/* roulang page: index */
:root{
  --bg:#050B18;
  --bg-block:#0A1424;
  --bg-glass:rgba(255,255,255,0.055);
  --line-glass:rgba(255,255,255,0.13);
  --primary:#2EA6FF;
  --primary-deep:#1E6FD9;
  --accent:#4CF5D2;
  --hot:#FFB563;
  --title:#EEF5FF;
  --text:#B9C7DE;
  --muted:#7A8BAA;
  --success:#22C88A;
  --wrong:#FF5A7A;
  --focus:#F5D74A;
  --grad-primary:linear-gradient(135deg,#00D7FF,#2B6CFF);
  --grad-sheen:linear-gradient(115deg, rgba(255,255,255,0.14), transparent 45%);
  --radius-lg:26px;
  --radius-md:18px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-card:0 14px 30px rgba(0,0,0,0.22);
  --shadow-btn:0 10px 30px rgba(34,178,255,0.28);
  --font-stack:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Segoe UI",sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-stack);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s ease}
a:hover{color:#79C6FF}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5,p{
  margin:0;
  text-rendering:optimizeLegibility;
}
h1{
  font-size:clamp(34px,5vw,60px);
  line-height:1.18;
  font-weight:700;
  color:var(--title);
  letter-spacing:-.01em;
}
h2{
  font-size:clamp(26px,3vw,38px);
  line-height:1.3;
  font-weight:700;
  color:var(--title);
  letter-spacing:-.01em;
}
h3{font-size:clamp(19px,2vw,24px);font-weight:650;color:var(--title);line-height:1.4}
h4{font-size:17px;font-weight:650;color:var(--title)}
p{line-height:1.75}
small{color:var(--muted)}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
}
::selection{background:rgba(46,166,255,.35);color:#fff}
.container,.grid-container{max-width:82rem;margin-inline:auto;padding-inline:1.5rem}
.section{padding:88px 0}
.section--tone{background:linear-gradient(180deg, rgba(10,20,36,.55), rgba(5,11,24,0))}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:2rem;
  margin-bottom:3rem;
}
.section-head__left{max-width:760px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  font-size:13px;
  font-weight:650;
  letter-spacing:.12em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:.9rem;
}
.eyebrow::before{
  content:"";
  width:24px;
  height:2px;
  border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--accent),rgba(76,245,210,0));
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  font-weight:600;
  white-space:nowrap;
  transition:gap .25s ease;
}
.text-link i{font-size:.85em}
.text-link:hover{gap:.7rem;color:#fff}
.text-lead{
  margin-top:.8rem;
  max-width:720px;
  color:var(--text);
  font-size:16px;
}
/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(5,11,24,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line-glass);
}
.header-inner{
  height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1.5rem;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:.7rem;
  color:var(--title);
  font-size:20px;
  font-weight:750;
  letter-spacing:.01em;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:radial-gradient(circle at 30% 25%,#34D9FF,#1F6EDB 72%);
  color:#fff;
  font-size:14px;
  font-weight:800;
  letter-spacing:.02em;
  box-shadow:0 6px 20px rgba(30,130,255,.38);
}
.brand-name:hover{color:#fff}
.site-nav{
  display:flex;
  align-items:center;
  gap:.25rem;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:.6rem .9rem;
  font-weight:520;
  color:var(--text);
  border-radius:var(--radius-sm);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:.9rem;
  bottom:.25rem;
  width:calc(100% - 1.8rem);
  height:2px;
  border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .3s ease;
}
.nav-link:hover{color:var(--title)}
.nav-link.active{color:#fff}
.nav-link.active::after{transform:scaleX(1)}
.nav-cta{
  margin-left:.65rem;
  white-space:nowrap;
}
.nav-toggle{
  display:none;
  border:0;
  background:transparent;
  width:46px;
  height:46px;
  border-radius:14px;
  cursor:pointer;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  height:2px;
  left:12px;
  right:12px;
  background:var(--title);
  border-radius:var(--radius-pill);
  transition:.3s var(--ease);
}
.nav-toggle span{top:22px}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}
.nav-toggle.is-active span{background:transparent}
.nav-toggle.is-active span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-active span::after{top:0;transform:rotate(-45deg)}
/* buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55rem;
  min-height:44px;
  padding:.6rem 1.4rem;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-weight:650;
  cursor:pointer;
  text-align:center;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s,border-color .3s,filter .3s;
}
.btn i{font-size:.85em}
.btn--primary{
  background:var(--grad-primary);
  color:#fff;
  box-shadow:var(--shadow-btn);
}
.btn--primary:hover{
  color:#fff;
  filter:brightness(1.12);
  transform:translateY(-2px);
  box-shadow:0 14px 34px rgba(34,178,255,.34);
}
.btn--ghost{
  background:rgba(255,255,255,.045);
  border-color:rgba(255,255,255,.22);
  color:var(--title);
  backdrop-filter:blur(10px);
}
.btn--ghost:hover{
  color:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(46,166,255,.1);
  transform:translateY(-2px);
}
.btn--dark{
  background:rgba(16,28,50,.85);
  color:var(--title);
  border-color:rgba(255,255,255,.12);
}
.btn--dark:hover{color:#fff;border-color:rgba(76,245,210,.55);transform:translateY(-2px)}
.btn--lg{min-height:52px;padding:.82rem 1.7rem;font-size:16px}
.btn--sm{min-height:38px;padding:.38rem 1.05rem;font-size:14px}
.btn--block{width:100%}
/* hero */
.hero{
  position:relative;
  padding:150px 0 120px;
  overflow:hidden;
  background:linear-gradient(180deg, rgba(5,11,24,0) 0%, rgba(5,11,24,.55) 65%, var(--bg) 100%);
  display:flex;
  align-items:center;
  isolation:isolate;
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:-2;
  background-size:cover;
  background-position:center 32%;
  background-repeat:no-repeat;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 30% 20%,rgba(0,0,0,.9),transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at 30% 20%,rgba(0,0,0,.9),transparent 75%);
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(90deg, rgba(5,11,24,.72) 0%, rgba(5,11,24,.42) 45%, rgba(5,11,24,.1) 100%);
}
.hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(280px,.8fr);
  align-items:center;
  gap:3rem;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  color:var(--muted);
  font-size:14px;
  font-weight:600;
  margin-bottom:1.5rem;
}
.status-dot{
  position:relative;
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--success);
}
.status-dot::after{
  content:"";
  position:absolute;
  inset:-4px;
  border:2px solid rgba(34,200,138,.35);
  border-radius:50%;
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{transform:scale(.7);opacity:.9}
  70%{transform:scale(1.35);opacity:0}
  100%{opacity:0}
}
.hero h1 .accent-text{
  position:relative;
  color:var(--accent);
}
.hero h1 .accent-text::after{
  content:"";
  display:block;
  height:5px;
  width:100%;
  border-radius:5px;
  background:linear-gradient(90deg,var(--primary),var(--accent),transparent);
  opacity:.55;
}
.hero-lead{
  margin:1.5rem 0 2.2rem;
  max-width:610px;
  font-size:17px;
  color:rgba(185,199,222,.9);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:.9rem;
}
.hero-trust{
  display:flex;
  gap:1.4rem;
  margin-top:2.6rem;
  padding-top:1.6rem;
  border-top:1px solid rgba(255,255,255,.08);
}
.hero-trust span{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  font-size:13px;
  color:var(--muted);
}
.hero-trust i{color:var(--accent)}
.hero-visual{
  position:relative;
  display:block;
  border-radius:30px;
  overflow:hidden;
  box-shadow:0 30px 70px rgba(0,0,0,.42);
}
.hero-visual img{width:100%;object-fit:cover;min-height:420px;max-height:540px}
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(160deg,transparent 55%,rgba(5,11,24,.75) 100%);
}
.hero-visual-caption{
  position:absolute;
  left:1.4rem;
  right:1.4rem;
  bottom:1.25rem;
  z-index:3;
  color:rgba(255,255,255,.92);
  font-size:14px;
  display:flex;
  justify-content:space-between;
  gap:1rem;
}
.hero-metric{
  position:absolute;
  top:1.2rem;
  right:1.2rem;
  z-index:4;
  background:rgba(5,11,24,.55);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.16);
  padding:.55rem 1rem;
  border-radius:var(--radius-pill);
  font-size:13px;
  font-weight:700;
  color:var(--accent);
}
/* news cards */
.news-backdrop{
  background:
    radial-gradient(920px 380px at 88% -10%, rgba(46,166,255,.09), transparent 70%),
    linear-gradient(180deg, rgba(10,20,36,.35), rgba(5,11,24,0) 100%);
}
.feature-card{
  height:100%;
  background:var(--bg-glass);
  border:1px solid var(--line-glass);
  border-radius:var(--radius-lg);
  overflow:hidden;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow-card);
  transition:border-color .35s, transform .35s var(--ease);
}
.feature-card:hover{
  border-color:rgba(76,245,210,.4);
  transform:translateY(-5px);
}
.feature-card__media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(135deg,#0C1B30,#101F36);
}
.feature-card__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .55s var(--ease);
}
.feature-card:hover .feature-card__media img{transform:scale(1.05)}
.feature-card__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 58%,rgba(5,11,24,.55) 100%);
}
.feature-card__body{
  flex:1;
  display:flex;
  flex-direction:column;
  gap:.7rem;
  padding:1.6rem 1.7rem 1.5rem;
}
.post-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:.65rem;
  font-size:13px;
  color:var(--muted);
}
.post-date i{
  color:var(--accent);
  opacity:.8;
  margin-right:.25rem;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);
  padding:.18rem .72rem;
  font-size:12px;
  font-weight:650;
  color:var(--text);
  line-height:1.6;
  white-space:nowrap;
}
.badge--hot{
  background:rgba(255,181,99,.15);
  color:var(--hot);
}
.badge--primary{
  background:rgba(46,166,255,.14);
  color:#7FC8FF;
}
.badge--mint{
  background:rgba(76,245,210,.12);
  color:var(--accent);
}
.feature-card__title{
  font-size:22px;
  line-height:1.42;
}
.feature-card__title a{color:var(--title)}
.feature-card__title a:hover{color:var(--primary)}
.feature-card__desc{
  flex:1;
  color:var(--text);
  font-size:15px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.feature-card__link{
  margin-top:auto;
  padding-top:.5rem;
}
.compact-list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:1rem;
}
.compact-item{
  display:flex;
  gap:1rem;
  align-items:center;
  background:var(--bg-glass);
  border:1px solid var(--line-glass);
  border-radius:20px;
  padding:.85rem .95rem;
  backdrop-filter:blur(10px);
  transition:border-color .3s, background .3s, transform .3s var(--ease);
}
.compact-item:hover{
  border-color:rgba(46,166,255,.4);
  background:rgba(255,255,255,.08);
  transform:translateY(-3px);
}
.compact-media{
  width:92px;
  flex:0 0 92px;
  border-radius:14px;
  overflow:hidden;
  background:#0F1C2D;
}
.compact-media img{
  width:100%;
  height:78px;
  object-fit:cover;
}
.compact-body{
  min-width:0;
  flex:1;
  display:flex;
  flex-direction:column;
  gap:.25rem;
}
.compact-cat{
  font-size:11px;
  font-weight:650;
  letter-spacing:.02em;
  color:var(--hot);
}
.compact-title{
  font-size:15px;
  line-height:1.45;
  font-weight:650;
}
.compact-title a{
  color:var(--title);
  display:inline-block;
  max-width:100%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  vertical-align:bottom;
}
.compact-title a:hover{color:var(--primary)}
.compact-time{
  font-size:12px;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  gap:.35rem;
}
.cms-empty{
  border:1px dashed rgba(255,255,255,.18);
  background:rgba(255,255,255,.03);
  border-radius:22px;
  padding:3.5rem 2rem;
  text-align:center;
  color:var(--muted);
  font-size:16px;
}
.cms-empty i{
  display:block;
  font-size:36px;
  color:var(--muted);
  margin-bottom:.8rem;
  opacity:.7;
}
/* services list */
.service-list{
  display:flex;
  flex-direction:column;
}
.service-row{
  position:relative;
  display:grid;
  grid-template-columns:120px 1fr auto;
  align-items:center;
  gap:2rem;
  padding:1.9rem 1.1rem;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .35s, padding-left .35s var(--ease);
}
.service-row:first-child{border-top:1px solid rgba(255,255,255,.08)}
.service-row:hover{
  background:linear-gradient(90deg, rgba(46,166,255,.08), transparent 70%);
  padding-left:1.6rem;
}
.service-index{
  font-size:44px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.03em;
  color:transparent;
  -webkit-text-stroke:1px rgba(46,166,255,.65);
  line-height:1;
}
.service-sub{
  font-size:13px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--accent);
  margin-bottom:.3rem;
}
.service-body h3{margin-bottom:.45rem}
.service-body p{color:var(--muted);max-width:58ch}
.service-link{
  width:48px;
  height:48px;
  border-radius:50%;
  border:1px solid var(--line-glass);
  display:grid;
  place-items:center;
  color:var(--primary);
  transition:.3s var(--ease);
  font-size:16px;
}
.service-row:hover .service-link{
  background:var(--grad-primary);
  color:#fff;
  border-color:transparent;
  box-shadow:var(--shadow-btn);
  transform:rotate(-45deg);
}
/* stats */
.stats-panel{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line-glass);
  background:
    linear-gradient(120deg, rgba(17,32,57,.95), rgba(8,17,32,.88)),
    var(--bg-block);
  border-radius:30px;
  padding:clamp(2rem,4vw,3.5rem) clamp(1.5rem,4vw,4rem);
}
.stats-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(300px 180px at 85% -10%, rgba(76,245,210,.22), transparent 70%),
    radial-gradient(380px 220px at -10% 115%, rgba(46,166,255,.24), transparent 70%);
  pointer-events:none;
}
.stats-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:2rem;
}
.stat-item{
  padding-left:1rem;
  border-left:2px solid rgba(255,255,255,.1);
}
.stat-item:nth-child(2){border-left-color:rgba(46,166,255,.5)}
.stat-item:nth-child(3){border-left-color:rgba(76,245,210,.35)}
.stat-item:nth-child(4){border-left-color:rgba(255,181,99,.4)}
.stat-number{
  display:flex;
  align-items:baseline;
  gap:.2rem;
  font-size:clamp(30px,3.4vw,52px);
  font-weight:800;
  line-height:1.1;
  color:var(--title);
  font-family:"Arial Narrow",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-number em{
  font-style:normal;
  color:var(--accent);
  font-size:.55em;
  font-weight:700;
}
.stat-item:nth-child(4) .stat-number em{color:var(--hot)}
.stat-label{
  margin-top:.3rem;
  color:var(--muted);
  font-size:14px;
}
/* cases */
.cases-section{
  background:
    radial-gradient(640px 260px at 105% 25%, rgba(255,181,99,.08), transparent 70%),
    linear-gradient(180deg, rgba(5,11,24,0), rgba(10,20,36,.5), rgba(5,11,24,0));
}
.case-card{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.09);
  display:block;
  height:100%;
  min-height:240px;
  box-shadow:0 20px 44px rgba(0,0,0,.2);
  transition:transform .4s var(--ease), border-color .35s;
}
.case-card:hover{border-color:rgba(46,166,255,.45);transform:translateY(-5px)}
.case-card img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s var(--ease);
}
.case-card:hover img{transform:scale(1.055)}
.case-card__cover{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(5,11,24,.03), rgba(5,11,24,.85) 100%);
  padding:1.4rem 1.5rem;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
}
.case-card--main{min-height:390px}
.case-card--sm{min-height:184px}
.case-card--sm .case-card__cover{padding:1.1rem 1.2rem}
.case-title{
  font-size:22px;
  color:#fff;
  font-weight:700;
}
.case-card--sm .case-title{font-size:17px}
.case-cat{
  font-size:12px;
  font-weight:650;
  letter-spacing:.1em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:.35rem;
}
/* solutions */
.solution-wrap{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:clamp(2rem,5vw,4.5rem);
  align-items:center;
}
.solution-feature h2{margin-bottom:.8rem}
.solution-feature p{margin-bottom:1.2rem}
.solution-points{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1.2rem;
  margin-top:.8rem;
}
.point-block{
  background:var(--bg-glass);
  border:1px solid var(--line-glass);
  border-radius:20px;
  padding:1.3rem 1.4rem;
}
.point-block i{
  width:36px;
  height:36px;
  border-radius:10px;
  display:grid;
  place-items:center;
  background:rgba(46,166,255,.15);
  color:#79C6FF;
  font-size:15px;
  margin-bottom:.65rem;
}
.point-block:nth-child(even) i{background:rgba(76,245,210,.12);color:var(--accent)}
.point-block h4{margin-bottom:.3rem}
.point-block p{font-size:14px;color:var(--muted)}
/* faq */
.faq-wrap{
  max-width:880px;
  margin:0 auto;
}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:.8rem;
}
.faq-item{
  background:var(--bg-glass);
  border:1px solid var(--line-glass);
  border-radius:20px;
  padding:1rem 1.4rem;
  transition:border-color .3s background .3s;
}
.faq-item[open]{background:rgba(255,255,255,.07);border-color:rgba(46,166,255,.38)}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  gap:1.1rem;
  cursor:pointer;
  user-select:none;
  font-size:17px;
  font-weight:650;
  color:var(--title);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-index{
  font-size:13px;
  font-weight:800;
  color:var(--accent);
  width:32px;
  height:32px;
  border-radius:50%;
  border:1px solid var(--line-glass);
  display:grid;
  place-items:center;
  flex:0 0 auto;
}
.faq-item[open] summary .faq-index{
  background:var(--grad-primary);
  border-color:transparent;
  color:#fff;
}
.faq-icon{
  margin-left:auto;
  color:var(--muted);
  transition:transform .35s;
  flex:0 0 auto;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--primary)}
.faq-body{
  margin:.8rem 0 .5rem 3.4rem;
  color:var(--text);
  font-size:15px;
}
/* cta */
.cta-section{
  position:relative;
  isolation:isolate;
  overflow:hidden;
}
.cta-bg{
  position:absolute;
  inset:0;
  z-index:-2;
  background-size:cover;
  background-position:center 40%;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(90deg, rgba(5,11,24,.96), rgba(5,11,24,.82) 55%, rgba(5,11,24,.72)),linear-gradient(180deg, rgba(5,11,24,.4), transparent);
}
.cta-split{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:clamp(2.5rem,6vw,5rem);
  align-items:start;
}
.cta-contact-list{
  margin:2rem 0 0;
  list-style:none;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:1rem;
}
.cta-contact-list li{
  display:flex;
  align-items:center;
  gap:1rem;
  color:var(--text);
}
.cta-contact-list li i{
  width:42px;
  height:42px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:rgba(46,166,255,.13);
  color:#7FC8FF;
  border:1px solid rgba(46,166,255,.2);
}
.cta-contact-list a{color:var(--title)}
.cta-contact-list a:hover{color:var(--primary)}
.cta-card{
  background:rgba(10,20,36,.7);
  backdrop-filter:blur(20px);
  border:1px solid var(--line-glass);
  border-radius:28px;
  padding:clamp(1.6rem,3vw,2.8rem);
  box-shadow:0 28px 60px rgba(0,0,0,.35);
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1.1rem;
}
.form-field{
  display:flex;
  flex-direction:column;
  gap:.35rem;
}
.form-field--full{grid-column:1/-1}
.form-label{font-size:14px;font-weight:600;color:var(--title)}
.form-input{
  width:100%;
  min-height:48px;
  background:rgba(255,255,255,.055);
  border:1px solid var(--line-glass);
  border-radius:14px;
  padding:.7rem 1.1rem;
  color:var(--title);
  transition:border-color .3s,box-shadow .3s,background .3s;
}
.form-input::placeholder{color:rgba(122,139,170,.7)}
.form-input:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(255,255,255,.075);
  box-shadow:0 0 0 4px rgba(46,166,255,.13);
}
textarea.form-input{min-height:116px;resize:vertical}
.form-note{margin-top:.9rem;font-size:13px;color:var(--muted)}
.form-success{margin-top:.9rem;font-size:14px;color:var(--success)}
/* footer */
.site-footer{
  margin-top:72px;
  background:linear-gradient(180deg, rgba(5,11,24,0), #040812 25%);
  border-top:1px solid rgba(255,255,255,.08);
  padding:76px 0 28px;
}
.footer-grid{gap:2rem 1.2rem}
.footer-brand p{margin-top:1rem;max-width:330px;color:var(--muted);font-size:14px}
.footer-logo{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  color:var(--title);
  font-size:20px;
  font-weight:750;
}
.footer-logo .brand-mark{width:38px;height:38px;border-radius:12px;font-size:13px}
.footer-title{
  font-size:15px;
  color:var(--title);
  margin-bottom:1.1rem;
  font-weight:700;
}
.footer-links{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:.4rem;
}
.footer-links a{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  color:var(--text);
  font-size:14px;
  transition:color .25s,padding-left .25s;
}
.footer-links a i{font-size:.6rem;color:var(--primary)}
.footer-links a:hover{color:#fff;padding-left:.4rem}
.footer-bottom{
  margin-top:3.2rem;
  padding-top:1.8rem;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:.8rem;
  color:var(--muted);
  font-size:13px;
}
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr}
  .hero{padding:120px 0 90px}
  .hero-visual{max-width:580px}
  .solution-wrap{grid-template-columns:1fr}
}
@media (max-width:900px){
  .section{padding:64px 0}
  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:rgba(5,11,24,.96);
    backdrop-filter:blur(22px);
    display:none;
    flex-direction:column;
    align-items:stretch;
    padding:.9rem 1.25rem 1.4rem;
    border-bottom:1px solid var(--line-glass);
    box-shadow:0 30px 60px rgba(0,0,0,.45);
  }
  .site-nav.is-open{display:flex}
  .site-nav .nav-link{padding:.85rem .6rem;font-size:16px}
  .nav-cta{margin:.6rem 0 0}
  .nav-toggle{display:block}
  .section-head{align-items:flex-start;flex-direction:column;margin-bottom:2.2rem}
  .text-link{margin-top:-.4rem}
  .service-row{grid-template-columns:88px 1fr auto;gap:1rem;padding:1.5rem .4rem}
  .service-index{font-size:36px}
  .service-link{width:42px;height:42px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:1.3rem}
  .stat-item{padding-left:.7rem}
  .cta-split{grid-template-columns:1fr}
}
@media (max-width:640px){
  .container,.grid-container{padding-inline:1rem}
  .section{padding:54px 0}
  .hero{padding:100px 0 70px}
  .hero h1{font-size:32px}
  .hero-lead{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-trust{flex-wrap:wrap;gap:.8rem}
  .feature-card__body{padding:1.2rem 1.2rem 1.2rem}
  .feature-card__title{font-size:19px}
  .compact-item{flex-direction:column;align-items:stretch;gap:.8rem}
  .compact-media{width:100%;flex:none;border-radius:14px}
  .compact-media img{width:100%;height:auto;aspect-ratio:16/9}
  .service-row{grid-template-columns:1fr;gap:.65rem;padding:1.3rem .2rem}
  .service-row:hover{padding-left:.4rem}
  .service-index{font-size:30px}
  .service-link{width:38px;height:38px;position:absolute;right:.2rem;bottom:.6rem}
  .service-body p{padding-right:.4rem}
  .stats-panel{border-radius:22px}
  .point-block{padding:1.05rem 1.1rem}
  .form-grid{grid-template-columns:1fr}
  .faq-item{padding:.7rem 1rem}
  .faq-body{margin-left:.3rem}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --bg:#050B18;
  --bg-block:#0A1424;
  --bg-glass:rgba(255,255,255,0.055);
  --line-glass:rgba(255,255,255,0.13);
  --primary:#2EA6FF;
  --primary-deep:#1E6FD9;
  --accent:#4CF5D2;
  --hot:#FFB563;
  --title:#EEF5FF;
  --text:#B9C7DE;
  --muted:#7A8BAA;
  --success:#22C88A;
  --error:#FF5A7A;
  --focus:#F5D74A;
  --radius:18px;
  --radius-lg:28px;
  --shadow-lg:0 22px 55px rgba(0,0,0,.35);
  --ease:cubic-bezier(.23,.8,.32,.95);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease)}
a:hover{color:#6dc5ff}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol,p,figure,blockquote{margin:0;padding:0}
li{list-style:none}
.container{
  width:100%;
  max-width:1280px;
  margin-left:auto;
  margin-right:auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:92px 0;position:relative}
.section--alt{background:linear-gradient(180deg,#0A1424 0%,#050B18 72%)}
.section--lead{padding-top:78px}
@media screen and (max-width:768px){
  .section{padding:64px 0}
  .container{padding-left:20px;padding-right:20px}
}
body::selection,body ::selection{background:rgba(46,166,255,.2)}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:4px}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(4,9,19,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding-top:10px;
  padding-bottom:10px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:10px;
  background:linear-gradient(135deg,#00C6FF,#2B6CFF);
  color:#fff;
  font-weight:800;
  letter-spacing:.03em;
  font-size:14px;
  box-shadow:0 0 22px rgba(30,111,217,.4);
}
.brand-name{
  color:var(--title);
  font-weight:700;
  font-size:20px;
  letter-spacing:.02em;
  white-space:nowrap;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  justify-content:center;
}
.site-nav .nav-link{
  color:var(--text);
  font-size:15px;
  font-weight:500;
  padding:10px 16px;
  border-radius:10px;
  border:1px solid transparent;
  transition:.3s var(--ease);
  position:relative;
}
.site-nav .nav-link::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:4px;
  height:2px;
  border-radius:99px;
  background:linear-gradient(90deg,var(--accent),var(--primary));
  opacity:0;
  transform:scaleX(.4);
  transition:.3s var(--ease);
}
.site-nav .nav-link:hover,.site-nav .nav-link:focus{
  color:var(--title);
  background:rgba(255,255,255,.05);
  border-color:rgba(255,255,255,.08);
}
.site-nav .nav-link:hover::after,.site-nav .nav-link:focus::after{
  opacity:.5;
  transform:scaleX(.6);
}
.site-nav .nav-link.active{
  color:#fff;
  background:linear-gradient(120deg,rgba(46,166,255,.14),rgba(76,245,210,.06));
  border-color:rgba(255,255,255,.06);
}
.site-nav .nav-link.active::after{
  opacity:1;
  transform:scaleX(1);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55rem;
  border:0;
  cursor:pointer;
  border-radius:10px;
  text-align:center;
  min-height:46px;
  padding:0 24px;
  font-weight:600;
  font-size:15px;
  letter-spacing:.03em;
  transition:.3s var(--ease);
}
.btn--primary{
  background:linear-gradient(135deg,#00D7FF,#2B6CFF);
  color:#fff;
  box-shadow:0 10px 30px rgba(34,178,255,.28);
}
.btn--primary:hover{
  background:linear-gradient(135deg,#46e2ff,#4b80ff);
  color:#fff;
  box-shadow:0 12px 34px rgba(46,166,255,.42);
  transform:translateY(-2px);
}
.btn--ghost{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-glass);
  color:var(--title);
}
.btn--ghost:hover{
  border-color:var(--primary);
  color:#fff;
  background:rgba(46,166,255,.12);
  transform:translateY(-2px);
}
.btn--sm{min-height:38px;padding:0 18px;font-size:14px;border-radius:8px}
.nav-cta{margin-left:14px}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  background:transparent;
  border:1px solid rgba(255,255,255,.14);
  border-radius:10px;
  cursor:pointer;
  position:relative;
  transition:.3s var(--ease);
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;
  left:10px;
  width:20px;
  height:2px;
  background:#EEF5FF;
  content:"";
  border-radius:4px;
  transition:.3s var(--ease);
}
.nav-toggle span{top:19px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-open .nav-toggle span{background:transparent}
.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}
@media screen and (max-width:1024px){
  .nav-toggle{display:block}
  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:72px;
    background:rgba(5,11,24,.97);
    backdrop-filter:blur(20px);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px 20px 20px;
    border-bottom:1px solid rgba(255,255,255,.1);
    display:none;
  }
  .nav-open .site-nav{display:flex}
  .site-nav .nav-link{padding:13px 16px}
  .site-nav .nav-cta{margin:10px 0 0;justify-content:center}
  .site-nav .nav-link::after{display:none}
  .brand-name{font-size:18px}
}

/* Common headings */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--accent);
  font-weight:600;
  font-size:13px;
  letter-spacing:.14em;
  margin-bottom:14px;
  text-transform:none;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:99px;background:var(--accent)}
.section-head{
  max-width:880px;
  margin-bottom:48px;
}
.section-head h2{
  color:var(--title);
  font-size:clamp(26px,3vw,38px);
  font-weight:700;
  line-height:1.28;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.section-head p,.section-head .sub{
  color:var(--text);
  font-size:16px;
  line-height:1.8;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow::before{display:none}
.section-head.center .eyebrow{margin-left:auto;margin-right:auto}

/* Breadcrumb */
.crumbs{
  color:var(--muted);
  font-size:14px;
  margin-bottom:20px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent)}
.crumbs .cur{color:var(--accent)}
.crumb-sep{opacity:.45;font-size:13px;line-height:1}

/* Cat hero */
.cat-hero{
  position:relative;
  background:
    radial-gradient(circle at 82% 15%,rgba(46,166,255,.16),transparent 34%),
    radial-gradient(circle at 5% 100%,rgba(76,245,210,.08),transparent 30%),
    linear-gradient(180deg,#0A1222 0%,#050B18 74%);
  border-bottom:1px solid rgba(255,255,255,.08);
  overflow:hidden;
  padding:82px 0 88px;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:52px 52px;
  pointer-events:none;
}
.cat-hero__bg{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.15;
}
.cat-hero__inner{position:relative;z-index:2}
.cat-hero h1{
  color:var(--title);
  font-size:clamp(36px,5vw,58px);
  font-weight:700;
  line-height:1.18;
  letter-spacing:-.02em;
  margin:18px 0 20px;
  text-shadow:0 20px 38px rgba(0,0,0,.45);
}
.cat-hero .intro{
  font-size:17px;
  line-height:1.85;
  color:#C6D3E8;
  max-width:680px;
  margin-bottom:30px;
}
.cat-hero__meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.1);
  color:#D8E4FF;
  font-size:13px;
  padding:.3rem .9rem;
  border-radius:999px;
  font-weight:500;
}
.badge--hot{
  background:rgba(255,181,99,.14);
  border-color:rgba(255,181,99,.34);
  color:var(--hot);
}
.hero-info-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:28px 26px;
  box-shadow:var(--shadow-lg);
  backdrop-filter:blur(16px);
  position:relative;
}
.hero-info-card h3{
  color:var(--title);
  font-size:18px;
  margin-bottom:12px;
  font-weight:650;
}
.hero-info-card p{
  color:var(--text);
  font-size:14px;
  line-height:1.75;
  margin-bottom:12px;
}
.hero-info-card .link-inline{
  font-size:14px;
  color:var(--accent);
  display:inline-flex;
  gap:6px;
  align-items:center;
}
@media screen and (max-width:900px){
  .cat-hero{padding:68px 0}
  .hero-info-card{margin-top:28px}
}

/* Topic cards */
.topic-grid{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:20px;
}
@media screen and (max-width:800px){
  .topic-grid{grid-template-columns:1fr}
}
.topic-card{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  background:#0B1729;
  border:1px solid rgba(255,255,255,.1);
  transition:transform .35s var(--ease),border-color .3s,box-shadow .35s;
  min-height:270px;
  display:flex;
}
.topic-card:hover{
  transform:translateY(-5px);
  border-color:rgba(46,166,255,.4);
  box-shadow:0 21px 50px rgba(0,0,0,.3);
}
.topic-card--big{min-height:440px}
.topic-card__image{
  position:absolute;
  inset:0;
  z-index:0;
}
.topic-card__image img{
  width:100%;height:100%;
  object-fit:cover;
  filter:saturate(.9) brightness(.82);
  transition:transform .6s var(--ease);
}
.topic-card:hover .topic-card__image img{transform:scale(1.04)}
.topic-card__overlay{
  position:absolute;
  inset:0;
  z-index:1;
  background:linear-gradient(180deg,rgba(5,11,24,.08) 0%,rgba(5,11,24,.88) 100%);
}
.topic-card__content{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:30px 28px;
}
.topic-card__content h3{
  color:#fff;
  font-size:20px;
  font-weight:650;
  margin:10px 0 8px;
  line-height:1.4;
}
.topic-card__content p{
  color:#DDE7F7;
  font-size:14px;
  max-width:520px;
  opacity:.92;
}
.topic-card--plain{
  background:linear-gradient(145deg,rgba(19,32,55,.95),rgba(5,11,24,.92));
  border:1px solid rgba(255,255,255,.1);
  position:relative;
  display:flex;
  align-items:center;
  min-height:280px;
}
.topic-card--plain .topic-card__content{
  justify-content:center;
  padding:28px;
}
@media screen and (max-width:1024px){
  .topic-card--big{min-height:380px}
}

/* Flow / browsing track */
.track-wrap{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
@media screen and (max-width:1100px){
  .track-wrap{grid-template-columns:repeat(2,1fr)}
}
@media screen and (max-width:540px){
  .track-wrap{grid-template-columns:1fr}
}
.track-step{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-glass);
  border-radius:var(--radius);
  padding:28px 22px 24px;
  position:relative;
  transition:.3s var(--ease);
}
.track-step:hover{
  transform:translateY(-4px);
  border-color:rgba(46,166,255,.42);
  background:rgba(46,166,255,.045);
}
.step-number{
  font-size:32px;
  font-weight:800;
  font-family:"Arial Narrow",Arial,sans-serif;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(135deg,#4CF5D2,#2EA6FF);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  opacity:.92;
  line-height:1.1;
}
.track-step h3{
  color:var(--title);
  font-size:17px;
  font-weight:600;
  margin:16px 0 8px;
}
.track-step p{
  color:var(--text);
  font-size:14px;
  line-height:1.7;
}

/* 01 features */
.feature-row{
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  align-items:stretch;
  gap:28px;
  padding:26px 8px;
  transition:background .35s;
  border-radius:6px;
}
.feature-row:last-child{border-bottom:1px solid rgba(255,255,255,.1)}
.feature-row:hover{
  background:rgba(255,255,255,.035);
}
.feature-id{
  font-size:34px;
  color:rgba(255,255,255,.14);
  font-family:"Arial Narrow",Arial,sans-serif;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  min-width:74px;
  line-height:1;
}
.feature-body h3{
  color:var(--title);
  font-size:19px;
  font-weight:650;
  margin-bottom:8px;
}
.feature-body p{max-width:780px;color:var(--text);font-size:15px}
@media screen and (max-width:640px){
  .feature-row{flex-direction:column;gap:10px;padding:22px 4px}
}

/* Cross link banner */
.link-banner{
  background:
    linear-gradient(120deg,rgba(46,166,255,.16),rgba(76,245,210,.06)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:var(--shadow-lg);
  border-radius:var(--radius-lg);
  overflow:hidden;
  padding:44px;
  position:relative;
}
.link-banner .glass{
  background:rgba(5,11,24,.55);
  border-radius:18px;
  padding:26px;
  border:1px solid rgba(255,255,255,.1);
}
@media screen and (max-width:640px){
  .link-banner{padding:22px}
}

/* FAQ */
.faq-accordion{
  border-radius:var(--radius);
  overflow:hidden;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line-glass);
}
.faq-item{
  border-bottom:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.02);
  transition:background .3s;
}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;
  background:transparent;
  border:0;
  display:flex;
  justify-content:flex-start;
  align-items:center;
  gap:16px;
  padding:20px 22px;
  color:var(--title);
  font-weight:600;
  font-size:16px;
  text-align:left;
  cursor:pointer;
  transition:.3s var(--ease);
}
.faq-q:hover,.faq-q:focus{
  color:#fff;
  background:rgba(46,166,255,.05);
}
.faq-q .num{
  color:var(--accent);
  font-family:"Arial Narrow",Arial,sans-serif;
  font-weight:700;
  width:22px;
  text-align:center;
}
.faq-q .q-icon{
  margin-left:auto;
  color:var(--primary);
  font-size:20px;
  transition:.3s;
}
.faq-item.is-open .faq-q .q-icon{transform:rotate(45deg)}
.faq-a{
  display:none;
  padding:0 24px 24px 56px;
  color:var(--text);
  font-size:15px;
  line-height:1.8;
}
.faq-item.is-open .faq-a{display:block;animation:fadeSlide .3s ease}
@keyframes fadeSlide{
  from{opacity:0;transform:translateY(-4px)}
  to{opacity:1;transform:none}
}

/* CTA */
.contact-wrap{
  background:linear-gradient(120deg,rgba(13,30,58,.92),rgba(6,13,28,.95));
  border:1px solid var(--line-glass);
  border-radius:var(--radius-lg);
  padding:46px;
  box-shadow:var(--shadow-lg);
  position:relative;
  overflow:hidden;
}
.contact-wrap::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.12;
}
.contact-inner{
  position:relative;
  z-index:2;
}
.contact-form{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius);
  padding:30px 28px;
  backdrop-filter:blur(12px);
}
.contact-form .form-title{
  color:var(--title);
  font-size:18px;
  font-weight:600;
  margin-bottom:14px;
}
.form-field{
  margin-bottom:14px;
}
.form-field input,.form-field textarea{
  width:100%;
  background:rgba(5,11,24,.5);
  border:1px solid rgba(255,255,255,.13);
  color:#EAF2FF;
  border-radius:10px;
  padding:12px 14px;
  font-size:14px;
  outline:none;
  transition:.3s;
}
.form-field textarea{min-height:92px;resize:vertical}
.form-field input::placeholder,.form-field textarea::placeholder{color:#8190aa}
.form-field input:focus,.form-field textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(46,166,255,.16);
}
.form-field input.error,.form-field textarea.error{
  border-color:var(--error);
}
.form-tip{
  color:var(--muted);
  font-size:12px;
  margin-bottom:14px;
}
@media screen and (max-width:880px){
  .contact-wrap{padding:24px 18px}
  .contact-form{padding:22px 16px}
  .contact-wrap .grid-x{gap:30px}
}

/* Footer */
.site-footer{
  background:#060C18;
  border-top:1px solid rgba(255,255,255,.08);
  padding:68px 0 28px;
  margin-top:40px;
}
.footer-grid{
  row-gap:38px;
}
.footer-grid .cell{
  margin-bottom:18px;
}
.footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--title);
  font-weight:700;
  font-size:20px;
  margin-bottom:16px;
}
.site-footer p{
  color:var(--text);
  opacity:.95;
  font-size:14px;
  max-width:330px;
  line-height:1.85;
}
.footer-title{
  color:var(--title);
  font-size:16px;
  font-weight:600;
  margin-bottom:16px;
}
.footer-links li + li{margin-top:8px}
.footer-links a{
  color:var(--text);
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:.3s;
}
.footer-links a:hover{
  color:var(--accent);
  padding-left:3px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  margin-top:40px;
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px;
  color:var(--muted);
  font-size:13px;
}

/* roulang page: article */
:root {
  --bg: #050B18;
  --bg-block: #0A1424;
  --bg-glass: rgba(255,255,255,0.055);
  --line-glass: rgba(255,255,255,0.13);
  --primary: #2EA6FF;
  --primary-deep: #1E6FD9;
  --accent: #4CF5D2;
  --hot: #FFB563;
  --title: #EEF5FF;
  --text: #B9C7DE;
  --muted: #7A8BAA;
  --success: #22C88A;
  --danger: #FF5A7A;
  --yellow: #F5D74A;
  --radius: 18px;
  --radius-lg: 26px;
  --radius-sm: 10px;
  --shadow: 0 14px 30px rgba(0,0,0,0.22);
  --shadow-primary: 0 10px 30px rgba(34,178,255,0.28);
  --transition: all .3s ease;
}

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

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 18% -5%, rgba(46,166,255,0.14), transparent 35vw),
    radial-gradient(circle at 85% 8%, rgba(76,245,210,0.07), transparent 30vw);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color: var(--title);
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
}

p { margin: 0 0 1rem; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

.grid-container { max-width: 80rem; }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 11, 24, 0.82);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 18px;
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #00D7FF, #2B6CFF);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .02em;
  box-shadow: 0 0 18px rgba(43,108,255,0.35);
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--title);
  letter-spacing: .02em;
}

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

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

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width .28s ease;
}

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

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

.nav-cta { margin-left: 4px; }

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line-glass);
  border-radius: 12px;
  background: rgba(255,255,255,0.05);
  cursor: pointer;
  position: relative;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  height: 2px;
  border-radius: 2px;
  background: var(--title);
  transition: var(--transition);
}

.nav-toggle span { top: 50%; transform: translateY(-50%); }
.nav-toggle::before { top: 14px; }
.nav-toggle::after { bottom: 14px; }

.nav-toggle.open span { opacity: 0; }
.nav-toggle.open::before { top: 22px; transform: rotate(45deg); }
.nav-toggle.open::after { bottom: 21px; transform: rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 13px 24px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  min-height: 44px;
}

.btn--primary {
  background: linear-gradient(135deg, #00D7FF, #2B6CFF);
  color: #fff;
  box-shadow: var(--shadow-primary);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(34,178,255,0.38);
  color: #fff;
}

.btn--ghost {
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.04);
  color: var(--title);
}

.btn--ghost:hover {
  border-color: var(--primary);
  color: #fff;
  background: rgba(46,166,255,0.12);
}

.btn--sm {
  min-height: 38px;
  padding: 8px 18px;
  font-size: 14px;
  border-radius: 9px;
}

.btn--lg {
  min-height: 52px;
  padding: 14px 32px;
  font-size: 16px;
  border-radius: 12px;
}

/* ===== Article Hero ===== */
.article-hero {
  position: relative;
  padding: 58px 0 62px;
  background:
    linear-gradient(180deg, rgba(5,11,24,0.94), rgba(10,20,36,0.98)),
    repeating-linear-gradient(90deg, transparent 0 110px, rgba(255,255,255,0.025) 110px 112px),
    url("/assets/images/backpic/back-1.webp") center 28% / cover no-repeat;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.article-hero::before {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  top: -120px;
  height: 200px;
  background: linear-gradient(130deg, rgba(46,166,255,0.16), transparent 52%, rgba(76,245,210,0.08));
  -webkit-transform: rotate(-8deg);
  transform: rotate(-8deg);
  pointer-events: none;
}

.breadcrumb {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 28px;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: #3E4D68; }
.breadcrumb .current { color: var(--primary); }

.article-head { position: relative; max-width: 900px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
}

.badge--hot {
  background: rgba(255,181,99,0.16);
  color: var(--hot);
}

.badge--info {
  background: rgba(46,166,255,0.14);
  color: var(--primary);
}

.article-title {
  font-size: clamp(30px, 4.5vw, 52px);
  line-height: 1.25;
  letter-spacing: -.02em;
  max-width: 860px;
  text-wrap: pretty;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  align-items: center;
  margin-top: 24px;
  color: var(--muted);
  font-size: 14px;
}

.article-meta i {
  margin-right: 6px;
  color: var(--primary);
}

.article-meta span,
.article-meta time {
  display: inline-flex;
  align-items: center;
}

/* ===== Article Section ===== */
.article-section {
  padding: 64px 0 76px;
  background:
    radial-gradient(circle at 80% 10%, rgba(46,166,255,0.06), transparent 28vw),
    transparent;
}

.article-shell { max-width: 920px; }

.article-content {
  background: rgba(10, 20, 36, 0.86);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow), inset var(--inner);
  padding: clamp(28px, 5vw, 64px);
  font-size: 17px;
  line-height: 1.9;
  color: var(--text);
}

.article-content p {
  margin: 0 0 1.25rem;
}

.article-content h2,
.article-content h3,
.article-content h4 {
  margin-top: 38px;
  margin-bottom: 16px;
  color: var(--title);
}

.article-content h2 { font-size: clamp(22px, 3vw, 29px); }
.article-content h3 { font-size: 22px; }

.article-content a { color: var(--accent); }
.article-content a:hover { text-decoration: underline; }

.article-content img {
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  margin: 28px auto;
}

.article-content ul,
.article-content ol {
  padding-left: 1.4rem;
  margin: 0 0 1.3rem;
}

.article-content blockquote {
  margin: 32px 0;
  padding: 20px 24px;
  border-left: 4px solid var(--primary);
  background: rgba(46,166,255,0.08);
  border-radius: 0 14px 14px 0;
  color: var(--title);
  font-size: 17px;
}

.article-content blockquote p { margin-bottom: 10px; }
.article-content blockquote p:last-child { margin-bottom: 0; }

.article-content code {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  background: rgba(255,255,255,0.08);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: .9em;
  color: var(--accent);
}

.article-footer-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  margin-top: 28px;
  border: 1px solid var(--line-glass);
  border-radius: 18px;
  background: var(--bg-glass);
}

.action-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.action-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line-glass);
  border-radius: 999px;
  padding: 7px 14px;
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}

.action-btn:hover {
  border-color: var(--primary);
  color: var(--title);
  background: rgba(46,166,255,0.1);
}

/* ===== Empty State ===== */
.not-found {
  background: var(--bg-glass);
  border: 1px solid var(--line-glass);
  border-radius: var(--radius-lg);
  padding: 72px 32px 80px;
  text-align: center;
}

.not-found-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 76px;
  height: 76px;
  margin: 0 auto 22px;
  border-radius: 24px;
  background: rgba(255,90,122,0.12);
  color: var(--danger);
  font-size: 28px;
}

.not-found h1 {
  font-size: 30px;
  color: var(--title);
  margin-bottom: 10px;
}

.not-found p {
  max-width: 440px;
  margin: 0 auto 26px;
  color: var(--muted);
  font-size: 15px;
}

/* ===== Related Section ===== */
.related-section {
  padding: 84px 0;
  background: var(--bg-block);
  border-top: 1px solid rgba(255,255,255,0.04);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 36px;
}

.section-title {
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -.01em;
}

.section-sub {
  color: var(--muted);
  font-size: 14px;
  margin-top: 8px;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}

.link-more i { transition: transform .28s ease; }
.link-more:hover i { -webkit-transform: translateX(5px); transform: translateX(5px); }

.related-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-glass);
  border: 1px solid var(--line-glass);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  transition: var(--transition);
}

.related-card:hover {
  -webkit-transform: translateY(-6px);
  transform: translateY(-6px);
  border-color: rgba(46,166,255,0.5);
  box-shadow: var(--shadow);
}

.related-cover {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, #0C2238, #091428);
}

.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.related-card:hover .related-cover img {
  -webkit-transform: scale(1.05);
  transform: scale(1.05);
}

.related-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  padding: 22px 22px 24px;
}

.related-body .badge {
  align-self: flex-start;
  margin-bottom: 2px;
}

.related-body h3 {
  font-size: 19px;
  line-height: 1.45;
  color: var(--title);
  transition: color .28s ease;
}

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

.related-body p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
  margin-bottom: 0;
}

.related-go {
  margin-top: auto;
  padding-top: 12px;
  color: var(--primary);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===== Contact CTA ===== */
.contact-section {
  position: relative;
  padding: 92px 0 100px;
  background:
    linear-gradient(180deg, rgba(5,11,24,0.92), rgba(7,16,30,0.92)),
    url("/assets/images/backpic/back-3.webp") center 30% / cover no-repeat;
  scroll-margin-top: 84px;
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: 44px;
  align-items: center;
}

.contact-title {
  font-size: clamp(28px, 3.4vw, 40px);
  margin-bottom: 18px;
}

.contact-intro {
  font-size: 17px;
  margin-bottom: 32px;
  max-width: 560px;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--text);
}

.contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(46,166,255,0.1);
  border: 1px solid rgba(46,166,255,0.25);
  color: var(--primary);
  font-size: 17px;
  flex-shrink: 0;
}

.contact-list strong {
  display: block;
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}

.contact-list span {
  color: var(--title);
  font-size: 16px;
}

.contact-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow), inset var(--inner);
  padding: 38px 34px;
}

.contact-card .badge {
  background: rgba(76,245,210,0.12);
  color: var(--accent);
  margin-bottom: 14px;
}

.contact-card h3 {
  font-size: 23px;
  margin-bottom: 14px;
}

.contact-card p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 22px;
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ===== Footer ===== */
.site-footer {
  background: #03080F;
  padding: 76px 0 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-grid { row-gap: 38px; }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--title);
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 16px;
}

.site-footer .footer-logo .brand-mark {
  width: 38px;
  height: 38px;
  font-size: 13px;
}

.site-footer p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 460px;
  margin-bottom: 0;
}

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

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.footer-links a {
  color: var(--muted);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.footer-links a i {
  font-size: 10px;
  color: var(--text);
  transition: var(--transition);
}

.footer-links a:hover { color: var(--accent); }
.footer-links a:hover i { -webkit-transform: translateX(3px); transform: translateX(3px); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px 24px;
  margin-top: 56px;
  padding: 22px 0 26px;
  border-top: 1px solid rgba(255,255,255,0.07);
  color: var(--muted);
  font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav-toggle { display: block; }

  .site-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 16px;
    right: 16px;
    background: rgba(7, 15, 30, 0.98);
    -webkit-backdrop-filter: blur(22px);
    backdrop-filter: blur(22px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 18px;
    box-shadow: 0 24px 60px rgba(0,0,0,0.55);
    padding: 18px;
    gap: 6px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    -webkit-transform: translateY(-8px);
    transform: translateY(-8px);
    transition: opacity .26s ease, transform .26s ease, visibility .26s;
  }

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

  .nav-link {
    padding: 12px 12px;
    border-radius: 10px;
    font-size: 16px;
  }

  .nav-link:hover {
    background: rgba(255,255,255,0.05);
  }

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

  .nav-cta {
    margin-top: 12px;
    min-height: 44px;
  }

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

  .site-footer { padding-top: 60px; }
}

@media (max-width: 760px) {
  .article-hero { padding: 44px 0 48px; }
  .article-section { padding: 44px 0 52px; }
  .article-content { padding: 22px 18px; font-size: 16px; }
  .article-footer-actions { flex-direction: column; align-items: flex-start; }
  .related-section { padding: 60px 0; }
  .contact-section { padding: 68px 0 72px; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .section-title { font-size: 26px; }
  .footer-bottom { flex-direction: column; justify-content: center; text-align: center; }
}

@media (max-width: 520px) {
  .brand-name { font-size: 18px; }
  .brand { gap: 9px; }
  .header-inner { padding: 0 16px; }
  .container { padding-left: 16px; padding-right: 16px; }
  .article-title { font-size: 28px; }
  .article-content { border-radius: 16px; }
  .article-meta { gap: 8px 14px; font-size: 13px; }
  .not-found { padding: 48px 18px 56px; }
  .contact-card { padding: 26px 20px; }
}

/* roulang page: category2 */
:root{
  --bg:#050B18;
  --bg-block:#0A1424;
  --bg-glass:rgba(255,255,255,.055);
  --bg-glass-deep:rgba(255,255,255,.08);
  --line-glass:rgba(255,255,255,.13);
  --primary:#2EA6FF;
  --primary-deep:#1E6FD9;
  --accent:#4CF5D2;
  --hot:#FFB563;
  --title:#EEF5FF;
  --text:#B9C7DE;
  --muted:#7A8BAA;
  --success:#22C88A;
  --error:#FF5A7A;
  --radius:18px;
  --radius-lg:24px;
  --shadow:0 14px 30px rgba(0,0,0,.22);
  --shadow-light:0 10px 30px rgba(34,178,255,.28);
  --transition:.35s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .3s ease}
a:hover{color:#85CFFF}
p{margin:0 0 1em}
.btn,button,input,textarea,select{font-family:inherit}
h1,h2,h3,h4{color:var(--title);line-height:1.3;margin:0}
.container{max-width:1280px;margin:0 auto;padding:0 28px}

/* buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  border-radius:10px;
  font-weight:600;
  font-size:15px;
  height:50px;
  padding:0 28px;
  cursor:pointer;
  border:1px solid transparent;
  text-decoration:none;
  transition:transform .3s ease,box-shadow .3s ease,background .3s ease,border-color .3s ease,color .3s ease,filter .3s ease;
  white-space:nowrap;
  line-height:1;
}
.btn--primary{
  background:linear-gradient(135deg,#00D7FF 0%,#2B6CFF 100%);
  color:#fff;
  box-shadow:var(--shadow-light);
}
.btn--primary:hover{
  color:#fff;
  filter:brightness(1.12);
  box-shadow:0 14px 38px rgba(34,178,255,.38);
  transform:translateY(-2px);
}
.btn--primary:active{transform:translateY(0)}
.btn--light{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.18);
  color:#EEF5FF;
  backdrop-filter:blur(14px);
}
.btn--light:hover{
  background:rgba(255,255,255,.1);
  border-color:rgba(46,166,255,.65);
  color:#fff;
  transform:translateY(-2px);
}
.btn--sm{height:40px;padding:0 20px;font-size:14px;border-radius:8px}
.btn--md{height:50px;padding:0 30px;font-size:15px}
.btn:focus-visible,.nav-link:focus-visible,.faq-q:focus-visible,a:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}

/* badge */
.badge{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  font-size:13px;
  font-weight:600;
  border-radius:999px;
  padding:5px 14px;
  background:rgba(46,166,255,.08);
  border:1px solid rgba(46,166,255,.18);
  color:#A6D8FF;
  letter-spacing:.02em;
}
.badge--hot{
  background:rgba(255,181,99,.12);
  border-color:rgba(255,181,99,.22);
  color:var(--hot);
}
.badge i{font-size:12px}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:999;
  background:rgba(5,11,24,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid transparent;
  transition:background .4s ease,box-shadow .4s ease,border-color .4s ease;
}
.site-header.scrolled{
  background:rgba(5,11,24,.9);
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:0 10px 36px rgba(0,0,0,.28);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  text-decoration:none;
}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,#00D7FF,#2B6CFF);
  color:#fff;
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(34,178,255,.25);
}
.brand-name{
  font-weight:700;
  font-size:18px;
  color:var(--title);
  letter-spacing:.01em;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1;
  justify-content:center;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 18px;
  height:42px;
  border-radius:8px;
  font-weight:500;
  font-size:15px;
  color:var(--text);
  position:relative;
  transition:color .3s ease,background .3s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.04)}
.nav-link.active{color:#fff}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:0;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(46,166,255,.5);
}
.nav-cta{margin-left:6px;flex-shrink:0}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:10px;
  background:rgba(255,255,255,.05);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  position:relative;
  padding:0;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";
  position:absolute;
  width:20px;
  height:2px;
  left:50%;
  margin-left:-10px;
  border-radius:2px;
  background:var(--title);
  transition:transform .3s ease,opacity .3s ease,top .3s ease;
}
.nav-toggle span{top:calc(50% - 1px)}
.nav-toggle span::before{top:-6px;margin-left:0;left:0}
.nav-toggle span::after{top:6px;margin-left:0;left:0}
.nav-toggle.is-active span{background:transparent}
.nav-toggle.is-active span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-active span::after{top:0;transform:rotate(-45deg)}

/* category hero */
.cat-hero{
  position:relative;
  padding:84px 0 72px;
  background:
    linear-gradient(130deg,rgba(5,11,24,.92) 0%,rgba(8,24,46,.82) 60%,rgba(5,11,24,.86) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.cat-hero::after{
  content:"";
  position:absolute;
  width:520px;
  height:520px;
  border-radius:50%;
  right:-160px;
  top:-200px;
  background:radial-gradient(circle,rgba(46,166,255,.12),transparent 65%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:36px;
  position:relative;
  z-index:2;
}
.breadcrumb a{color:var(--muted);transition:color .3s}
.breadcrumb a:hover{color:#fff}
.breadcrumb .current{color:var(--accent);font-weight:600}
.cat-hero-inner{position:relative;z-index:2;text-align:center}
.cat-hero .badge{margin-bottom:24px}
.cat-title{
  font-size:clamp(34px,5vw,58px);
  font-weight:800;
  color:var(--title);
  letter-spacing:.01em;
  line-height:1.2;
}
.cat-subtitle{
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  max-width:760px;
  margin:20px auto 0;
}
.hero-actions{
  display:flex;
  justify-content:center;
  gap:16px;
  margin-top:34px;
  flex-wrap:wrap;
}
.hero-meta{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:18px;
  margin-top:30px;
  color:var(--muted);
  font-size:14px;
  align-items:center;
}
.hero-meta span{display:inline-flex;gap:6px;align-items:center}

/* section base */
.section{padding:96px 0;position:relative}
.section--alt{background:var(--bg-block)}
.section--light{background:linear-gradient(180deg,rgba(10,20,36,.4),rgba(5,11,24,0) 50%)}
.section-head{margin-bottom:48px}
.section-head.is-center{text-align:center}
.section-head.is-center .section-lead{margin-left:auto;margin-right:auto}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  font-size:13px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:24px;
  height:1px;
  background:linear-gradient(90deg,var(--accent),transparent);
}
.section-title{font-size:clamp(26px,3vw,40px);font-weight:700;color:var(--title);margin-bottom:14px}
.section-lead{color:var(--muted);font-size:16px;max-width:760px;line-height:1.85}

/* service overview rows */
.service-list{border-top:1px solid rgba(255,255,255,.05)}
.service-item{
  display:flex;
  align-items:center;
  gap:32px;
  padding:26px 0;
  border-bottom:1px solid rgba(255,255,255,.05);
  transition:background .3s ease,padding .3s ease;
}
.service-item:hover{background:rgba(255,255,255,.02);padding-left:14px}
.service-num{
  min-width:84px;
  font-size:38px;
  font-weight:800;
  font-family:"Arial Narrow","Barlow Condensed",sans-serif;
  color:rgba(46,166,255,.3);
  font-variant-numeric:tabular-nums;
  transition:color .3s ease,transform .3s ease;
}
.service-item:hover .service-num{color:var(--primary);transform:translateX(3px)}
.service-info{flex:1;min-width:0}
.service-info h3{font-size:21px;color:var(--title);font-weight:700;margin-bottom:6px}
.service-info p{margin:0;color:var(--text);font-size:15px;line-height:1.75;max-width:860px}
.service-action{
  flex-shrink:0;
  color:var(--muted);
  font-size:26px;
  transition:color .3s ease,transform .3s ease;
}
.service-item:hover .service-action{color:var(--accent);transform:translateX(5px)}

/* trust */
.trust-section .section-head{margin-bottom:34px}
.trust-visual{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  min-height:340px;
  height:100%;
}
.trust-visual img{
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scale(1);
  transition:transform .5s ease;
}
.trust-visual:hover img{transform:scale(1.04)}
.trust-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,24,0) 35%,rgba(5,11,24,.72) 100%);
}
.trust-overlay{
  position:absolute;
  left:14px;
  right:14px;
  bottom:14px;
  z-index:2;
  border-radius:16px;
  padding:18px 20px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.15);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  display:flex;
  align-items:center;
  gap:14px;
}
.trust-overlay i{
  font-size:20px;
  color:var(--accent);
  width:44px;
  height:44px;
  border-radius:12px;
  background:rgba(76,245,210,.1);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.trust-overlay span{
  color:#fff;
  font-weight:600;
  font-size:15px;
  display:block;
  line-height:1.4;
}
.trust-overlay p{margin:4px 0 0;font-size:13px;color:rgba(238,245,255,.8)}
.feature-card{
  background:var(--bg-glass);
  border:1px solid var(--line-glass);
  border-radius:var(--radius);
  padding:28px;
  height:100%;
  transition:transform .35s ease,border-color .35s ease,background .35s ease,box-shadow .35s ease;
  position:relative;
  overflow:hidden;
}
.feature-card::after{
  content:"";
  position:absolute;
  width:120px;
  height:120px;
  right:-50px;
  top:-50px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(46,166,255,.12),transparent 70%);
  pointer-events:none;
}
.feature-card:hover{
  transform:translateY(-5px);
  border-color:rgba(46,166,255,.35);
  background:rgba(255,255,255,.08);
  box-shadow:0 18px 40px rgba(0,0,0,.25);
}
.feature-card .feat-icon{
  width:46px;
  height:46px;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(0,215,255,.15),rgba(43,108,255,.15));
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  margin-bottom:16px;
}
.feature-card h3{font-size:17px;margin-bottom:8px;color:var(--title)}
.feature-card p{margin:0;font-size:14px;line-height:1.75;color:var(--text)}
.feature-card--highlight{
  background:rgba(46,166,255,.08);
  border-color:rgba(46,166,255,.18);
}
.feature-card--highlight .feat-icon{background:rgba(255,181,99,.1);color:var(--hot)}

/* scene section */
.scene-card{
  background:linear-gradient(135deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line-glass);
  border-radius:var(--radius);
  padding:32px;
  transition:transform .35s ease,border-color .35s ease,background .35s ease;
  height:100%;
}
.scene-card:hover{
  transform:translateY(-4px);
  border-color:rgba(76,245,210,.3);
  background:rgba(255,255,255,.07);
}
.scene-card--main{
  background:
    linear-gradient(135deg,rgba(46,166,255,.16),rgba(10,20,36,.86)),
    url('/assets/images/coverpic/cover-2.webp') center/cover;
  border-radius:var(--radius-lg);
  min-height:380px;
  display:flex;
  align-items:flex-end;
  padding:32px;
  position:relative;
  overflow:hidden;
}
.scene-card--main::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 35%,rgba(5,11,24,.85) 100%);
}
.scene-card--main .scene-inner{position:relative;z-index:2}
.scene-card--main h3{font-size:22px}
.scene-label{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  color:var(--accent);
  letter-spacing:.08em;
  margin-bottom:8px;
}
.scene-card h3{font-size:20px;color:var(--title);margin-bottom:12px}
.scene-card p{font-size:14px;line-height:1.8;color:var(--text);margin:0}
.scene-card--main .scene-inner p{color:rgba(238,245,255,.82);font-size:15px}

/* flow */
.flow-grid{margin-top:20px}
.flow-step{
  position:relative;
  padding:28px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.035);
  border:1px solid rgba(255,255,255,.08);
  height:100%;
  transition:border-color .3s,background .3s,transform .3s;
}
.flow-step:hover{
  background:rgba(255,255,255,.06);
  border-color:rgba(76,245,210,.25);
  transform:translateY(-4px);
}
.flow-num{
  font-size:42px;
  color:rgba(46,166,255,.28);
  font-weight:800;
  line-height:1;
  margin-bottom:6px;
  font-variant-numeric:tabular-nums;
}
.flow-step--top h4{font-size:17px;color:var(--title);margin-bottom:8px}
.flow-step p{margin:0;font-size:14px;line-height:1.75;color:var(--muted)}
.flow-arrow{
  display:none;
}

/* metrics */
.metrics-panel{
  border-radius:var(--radius-lg);
  padding:52px 40px;
  border:1px solid rgba(255,255,255,.1);
  background:
    linear-gradient(115deg,rgba(10,20,36,.92),rgba(5,11,24,.82)),
    url('/assets/images/backpic/back-1.webp') center/cover;
  overflow:hidden;
  position:relative;
}
.metrics-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(76,245,210,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(76,245,210,.05) 1px,transparent 1px);
  background-size:38px 38px;
  pointer-events:none;
}
.metrics-content{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:30px;
  text-align:center;
}
.metric-item .num{
  font-size:clamp(34px,4vw,52px);
  font-weight:800;
  color:var(--accent);
  line-height:1.2;
  font-family:"Arial Narrow","Barlow Condensed",-apple-system,BlinkMacSystemFont,sans-serif;
  font-variant-numeric:tabular-nums;
}
.metric-item h4{color:var(--title);font-size:15px;font-weight:600;margin-top:8px}
.metric-item p{color:var(--muted);font-size:13px;margin:4px 0 0;line-height:1.6}
.metrics-note{
  text-align:center;
  margin-top:34px;
  color:rgba(238,245,255,.72);
  font-size:14px;
  position:relative;
  z-index:1;
}

/* faq */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--bg-glass);
  border:1px solid var(--line-glass);
  border-radius:16px;
  margin-bottom:14px;
  transition:border-color .3s ease,background .3s ease,box-shadow .3s ease;
  overflow:hidden;
}
.faq-item:hover{border-color:rgba(46,166,255,.2)}
.faq-item.is-active{
  border-color:rgba(46,166,255,.3);
  background:rgba(46,166,255,.03);
  box-shadow:0 10px 30px rgba(0,0,0,.14);
}
.faq-q{
  width:100%;
  background:none;
  border:none;
  padding:22px 24px;
  display:flex;
  align-items:center;
  gap:16px;
  text-align:left;
  cursor:pointer;
  color:var(--title);
  font-size:16px;
  font-weight:600;
  transition:color .3s;
}
.faq-q:hover{color:#fff}
.faq-index{
  min-width:34px;
  height:28px;
  border-radius:8px;
  background:rgba(46,166,255,.1);
  border:1px solid rgba(46,166,255,.14);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:700;
}
.faq-item.is-active .faq-index{color:var(--accent);border-color:rgba(76,245,210,.3);background:rgba(76,245,210,.08)}
.faq-q-text{flex:1}
.faq-q i{
  font-size:18px;
  color:var(--muted);
  transition:transform .4s ease,color .3s ease;
  flex-shrink:0;
}
.faq-item.is-active .faq-q i{transform:rotate(45deg);color:var(--primary)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .45s ease;
}
.faq-a-inner{
  padding:0 24px 22px 74px;
  color:var(--text);
  font-size:15px;
  line-height:1.85;
}

/* CTA */
.cta-section{
  position:relative;
  padding:110px 0;
  background:
    linear-gradient(115deg,rgba(5,11,24,.94),rgba(10,20,36,.82)),
    url('/assets/images/coverpic/cover-7.png') center/cover;
  border-top:1px solid rgba(255,255,255,.06);
}
.cta-section::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
  opacity:.4;
}
.cta-panel{
  background:rgba(255,255,255,.085);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-radius:var(--radius-lg);
  padding:40px;
  box-shadow:var(--shadow);
}
.cta-head h2{font-size:clamp(25px,3vw,36px);margin-bottom:12px}
.cta-head p{font-size:15px;color:var(--text);line-height:1.8;margin:0 0 18px}
.cta-points{list-style:none;margin:18px 0 0;padding:0}
.cta-points li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:10px 0;
  border-bottom:1px dashed rgba(255,255,255,.07);
  font-size:14px;
  color:var(--text);
}
.cta-points li:last-child{border-bottom:none}
.cta-points i{color:var(--accent);font-size:14px;margin-top:5px}

/* form */
.contact-form .form-group{margin-bottom:20px}
.contact-form label.field{
  display:block;
  font-size:14px;
  color:var(--title);
  font-weight:600;
  margin-bottom:8px;
}
.contact-form input,.contact-form textarea{
  width:100%;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:10px;
  color:#EAF3FF;
  font-size:15px;
  padding:13px 16px;
  transition:border-color .3s ease,background .3s ease,box-shadow .3s ease;
  outline:none;
}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:rgba(255,255,255,.32)}
.contact-form input:hover,.contact-form textarea:hover{border-color:rgba(255,255,255,.24)}
.contact-form input:focus,.contact-form textarea:focus{
  border-color:var(--primary);
  background:rgba(46,166,255,.05);
  box-shadow:0 0 0 3px rgba(46,166,255,.15);
}
.contact-form textarea{min-height:120px;resize:vertical}
.form-error-msg,.form-success-msg{
  display:none;
  border-radius:10px;
  font-size:14px;
  padding:12px 14px;
  margin-top:8px;
  line-height:1.6;
}
.form-error-msg{background:rgba(255,90,122,.12);border:1px solid rgba(255,90,122,.24);color:#FFB5C6}
.form-success-msg{background:rgba(34,200,138,.12);border:1px solid rgba(34,200,138,.24);color:#7DE8C4}
.form-is-error .form-error-msg{display:block}
.form-is-success .form-success-msg{display:block}
.form-privacy{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.7}

/* footer */
.site-footer{
  background:#040A16;
  border-top:1px solid rgba(255,255,255,.07);
  padding:72px 0 30px;
}
.footer-grid{margin-bottom:40px}
.footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--title);
  margin-bottom:14px;
}
.footer-logo .brand-mark{width:34px;height:34px;font-size:13px;border-radius:10px}
.site-footer p{font-size:14px;line-height:1.8;color:var(--muted);margin:0;max-width:420px}
.footer-title{
  font-size:15px;
  font-weight:600;
  color:var(--title);
  margin-bottom:16px;
  position:relative;
}
.footer-title::after{
  content:"";
  width:20px;
  height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  display:block;
  margin-top:6px;
  border-radius:2px;
}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:10px;line-height:1.5}
.footer-links a{
  color:var(--text);
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .3s ease,transform .3s ease;
}
.footer-links a i{font-size:12px;color:var(--muted)}
.footer-links a:hover{color:var(--accent);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  color:var(--muted);
  font-size:13px;
}
.footer-bottom span b{color:var(--text)}

/* visible reduce? */
@media (max-width:1024px){
  .section{padding:76px 0}
  .metrics-panel{padding:44px 28px}
  .service-item{gap:20px;align-items:flex-start}
  .service-num{min-width:60px;font-size:30px}
  .trust-visual{min-height:300px;margin-bottom:24px}
  .flow-step{margin-bottom:16px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .cat-hero{padding:56px 0 48px}
  .cat-subtitle{font-size:15px}
  .metrics-content{grid-template-columns:1fr 1fr;gap:22px 16px}
  .metrics-note{font-size:13px}
  .site-header{height:64px}
  .header-inner{height:64px}
  .brand-name{font-size:17px}
  .site-nav{
    position:fixed;
    top:64px;
    left:0;
    right:0;
    background:rgba(5,11,24,.96);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(255,255,255,.08);
    padding:18px 20px 22px;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    display:none;
    max-height:calc(100vh - 64px);
    overflow-y:auto;
    z-index:998;
  }
  .site-nav.open{display:flex}
  .nav-link{
    height:48px;
    justify-content:flex-start;
    padding-left:20px;
  }
  .nav-link.active::after{left:20px;right:auto;width:34px}
  .nav-cta{
    height:48px;
    margin:10px 0 0;
  }
  .nav-toggle{display:inline-flex}
  .service-item{flex-direction:column;gap:12px;padding:22px 0}
  .service-num{font-size:28px;min-width:auto}
  .service-info h3{font-size:18px}
  .faq-a-inner{padding-left:20px}
  .cta-section{padding:70px 0}
  .cta-panel{padding:27px 22px}
  .footer-bottom{flex-direction:column}
  .footer-grid .cell{margin-bottom:24px}
  .section-head{margin-bottom:36px}
  .section-title{font-size:24px}
}
@media (max-width:520px){
  .cat-hero .hero-actions{gap:10px}
  .btn--primary,.btn--light{width:100%}
  .metrics-panel{padding:34px 18px}
  .metrics-content{grid-template-columns:1fr;gap:18px}
  .metrics-panel .metric-item{-webkit-margin-after:4px}
  .scene-card--main{min-height:300px;padding:24px}
  .feature-card{padding:24px}
  .footer-grid .cell{padding-left:20px;padding-right:20px}
}