/* roulang page: index */
:root{
  --bg:#0A0F0C;
  --surface:#111A15;
  --surface-2:#16211B;
  --surface-3:#101A14;
  --line:rgba(255,255,255,.08);
  --edge:rgba(180,255,57,.18);
  --primary:#B4FF39;
  --accent:#00E5C0;
  --warn:#FF7A1A;
  --text:#EAF2EC;
  --text-2:#9FB3A6;
  --text-3:#6B7D72;
  --ink:#08120A;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 24px 56px rgba(0,0,0,.55);
  --container:1200px;
  --bs-primary:#B4FF39;
  --bs-body-bg:#0A0F0C;
  --bs-body-color:#EAF2EC;
  --bs-link-color:#00E5C0;
  --bs-link-hover-color:#B4FF39;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-font-sans-serif:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.95;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  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:48px 48px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 68%);
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 68%);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--accent);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--primary);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{max-width:var(--container);width:100%;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1200px){.container{max-width:1320px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1050;
  background:rgba(10,15,12,.96);
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(180,255,57,.45),rgba(0,229,192,.35),transparent) 1;
  transition:background-color .25s ease,box-shadow .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  background:rgba(10,15,12,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  box-shadow:0 12px 30px rgba(0,0,0,.5);
  border-bottom:1px solid rgba(180,255,57,.16);
}
.nav-wrap{
  height:72px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:800;
  font-size:18px;
  letter-spacing:.4px;
  flex-shrink:0;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(180,255,57,.22),rgba(0,229,192,.16));
  border:1px solid var(--edge);
  box-shadow:0 0 18px rgba(180,255,57,.18);
  flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px;stroke:var(--primary);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{white-space:nowrap;}
@media (max-width:575.98px){
  .brand-text{font-size:16px;}
  .nav-wrap{height:60px;gap:12px;}
}
.site-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.navitem{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:8px;
  font-size:15px;
  font-weight:500;
  line-height:1;
  color:var(--text-2);
  position:relative;
  transition:color .2s ease,background-color .2s ease;
}
.navitem:hover{color:var(--text);background:rgba(180,255,57,.08);}
.navitem.active{color:var(--primary);text-shadow:0 0 12px rgba(180,255,57,.45);}
.navitem.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:-16px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  box-shadow:0 0 12px rgba(180,255,57,.6);
}
.nav-cta{
  margin-left:10px;
  flex-shrink:0;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:700;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary,
.btn.btn-primary{
  background:var(--primary);
  color:var(--ink);
  border-color:var(--primary);
}
.btn-primary:hover,
.btn.btn-primary:hover{
  background:#c7ff67;
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:0 0 0 3px rgba(180,255,57,.18);
}
.btn-primary:active,
.btn.btn-primary:active{
  transform:translateY(0);
  box-shadow:inset 0 3px 10px rgba(0,0,0,.28);
}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border:1px solid rgba(255,255,255,.18);
}
.btn-ghost:hover{
  background:rgba(180,255,57,.10);
  color:var(--primary);
  border-color:var(--edge);
  transform:translateY(-2px);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-nav{height:40px;padding:0 18px;font-size:14px;}
.btn-warn{
  background:var(--warn);
  color:#1a0d02;
  border-color:var(--warn);
}
.btn-warn:hover{background:#ff9147;color:#1a0d02;transform:translateY(-2px);box-shadow:0 0 0 3px rgba(255,122,26,.2);}
.nav-toggle{
  margin-left:auto;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:rgba(255,255,255,.03);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.nav-toggle .bar{width:19px;height:2px;background:var(--text);border-radius:2px;transition:background-color .2s ease;}
.nav-toggle:hover .bar{background:var(--primary);}
.nav-drawer{border-top:1px solid var(--line);background:rgba(10,15,12,.98);}
.drawer-inner{padding:16px 20px 24px;display:flex;flex-direction:column;gap:6px;}
.drawer-link{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 14px;
  border-radius:10px;
  color:var(--text-2);
  font-size:16px;
  font-weight:500;
  border-left:2px solid transparent;
}
.drawer-link:hover{color:var(--text);background:rgba(180,255,57,.08);}
.drawer-link.active{color:var(--primary);border-left-color:var(--primary);background:rgba(180,255,57,.08);}
.drawer-inner .btn{margin-top:10px;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:88px 0 96px;
  overflow:hidden;
  z-index:1;
}
.hero::after{
  content:"";
  position:absolute;
  top:-160px;right:-140px;
  width:520px;height:520px;
  background:radial-gradient(circle,rgba(180,255,57,.14),transparent 66%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:62fr 38fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  background:rgba(180,255,57,.12);
  border:1px solid var(--edge);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  letter-spacing:.3px;
}
.eyebrow .pulse{
  width:7px;height:7px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(180,255,57,.8);
}
.hero-title{
  margin-top:22px;
  font-size:clamp(30px,5vw,52px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:.5px;
}
.hero-title em{
  font-style:normal;
  color:var(--primary);
  text-shadow:0 0 22px rgba(180,255,57,.35);
}
.hero-sub{
  margin-top:20px;
  font-size:18px;
  line-height:1.85;
  color:var(--text-2);
  max-width:760px;
}
.hero-actions{
  margin-top:32px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.hero-facts{
  margin-top:32px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.fact{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  padding:10px 16px;
  border-radius:var(--radius-pill);
  background:rgba(180,255,57,.12);
  border:1px solid rgba(180,255,57,.16);
  font-size:13.5px;
  color:var(--text-2);
}
.fact b{
  font-size:19px;
  font-weight:800;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
}
.hero-visual{position:relative;}
.hero-frame{
  position:relative;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--edge);
  box-shadow:var(--shadow);
  aspect-ratio:16/10;
  background:var(--surface);
  clip-path:polygon(0 0,100% 0,100% 88%,88% 100%,0 100%);
}
.hero-frame img{
  width:100%;height:100%;
  object-fit:cover;
  opacity:.92;
}
.hero-frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,15,12,.12),rgba(10,15,12,.68)),
             linear-gradient(90deg,rgba(10,15,12,.45),transparent 60%);
  pointer-events:none;
}
.scan-line{
  position:absolute;
  left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,transparent,rgba(180,255,57,.85),transparent);
  box-shadow:0 0 18px rgba(180,255,57,.6);
  animation:scanMove 4.2s linear infinite;
  pointer-events:none;
}
@keyframes scanMove{
  0%{top:6%;opacity:0;}
  15%{opacity:1;}
  85%{opacity:1;}
  100%{top:94%;opacity:0;}
}
.hero-chip{
  position:absolute;
  left:-14px;bottom:24px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 18px;
  border-radius:var(--radius-pill);
  background:rgba(16,26,20,.94);
  border:1px solid var(--edge);
  color:var(--text);
  font-size:13.5px;
  font-weight:600;
  box-shadow:var(--shadow);
}
.hero-chip .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px rgba(0,229,192,.9);
}

/* ---------- sections ---------- */
.section{
  position:relative;
  padding:96px 0;
  z-index:1;
}
.section-alt{background:linear-gradient(180deg,rgba(17,26,21,0) 0%,rgba(17,26,21,.72) 18%,rgba(17,26,21,.72) 82%,rgba(17,26,21,0) 100%);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.section-title{
  margin-top:14px;
  font-size:clamp(24px,3.2vw,36px);
  line-height:1.3;
  font-weight:700;
}
.section-desc{
  margin-top:16px;
  max-width:800px;
  color:var(--text-2);
  font-size:16px;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--accent);
  flex-shrink:0;
  padding-bottom:4px;
}
.link-more svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease;}
.link-more:hover svg{transform:translateX(3px);}

/* ---------- feature ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:minmax(0,1.32fr) minmax(0,1fr);
  gap:24px;
}
.feature-side{display:grid;gap:24px;}
.feature-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;
  flex-direction:column;
}
.feature-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover),0 0 0 1px rgba(180,255,57,.55);
  border-color:rgba(180,255,57,.55);
}
.icon-box{
  width:48px;height:48px;
  border-radius:12px;
  display:grid;place-items:center;
  background:rgba(180,255,57,.10);
  border:1px solid var(--edge);
  margin-bottom:18px;
  flex-shrink:0;
}
.icon-box svg{width:24px;height:24px;stroke:var(--primary);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.icon-box.cyan{background:rgba(0,229,192,.10);border-color:rgba(0,229,192,.24);}
.icon-box.cyan svg{stroke:var(--accent);}
.feature-card h3{font-size:20px;line-height:1.4;margin-bottom:12px;}
.feature-card p{color:var(--text-2);font-size:15.5px;line-height:1.85;}
.feature-media{
  margin-top:22px;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/9;
  background:var(--surface-2);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.feature-card:hover .feature-media img{transform:scale(1.04);}
.badge-soft{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.3px;
  background:rgba(180,255,57,.14);
  color:var(--primary);
  margin-bottom:14px;
  align-self:flex-start;
}
.badge-soft.cyan{background:rgba(0,229,192,.14);color:var(--accent);}

/* ---------- scene ---------- */
.scene{display:grid;gap:72px;}
.scene-item{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.scene-item.reverse .scene-media{order:2;}
.scene-media{
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:var(--surface);
  box-shadow:var(--shadow);
}
.scene-media img{width:100%;height:100%;object-fit:cover;}
.scene-index{
  display:inline-block;
  font-family:"Barlow Condensed",system-ui,sans-serif;
  font-size:44px;
  font-weight:800;
  line-height:1;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:1px;
  text-shadow:0 0 24px rgba(0,229,192,.35);
  margin-bottom:16px;
}
.scene-body h3{font-size:22px;line-height:1.4;margin-bottom:14px;}
.scene-body p{color:var(--text-2);font-size:16px;max-width:520px;}
.scene-points{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.scene-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.8;
}
.scene-points svg{
  width:18px;height:18px;
  flex-shrink:0;
  margin-top:6px;
  stroke:var(--accent);
  fill:none;
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}

/* ---------- stats & reviews ---------- */
.stats-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-bottom:56px;
}
.stat{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:border-color .2s ease,transform .2s ease;
}
.stat:hover{border-color:var(--edge);transform:translateY(-3px);}
.stat-num{
  font-family:"Barlow Condensed",system-ui,sans-serif;
  font-size:42px;
  font-weight:800;
  line-height:1;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
}
.stat-unit{
  font-size:14px;
  color:var(--text-3);
  margin-left:6px;
}
.stat-label{
  margin-top:12px;
  font-size:14.5px;
  color:var(--text-2);
}
.review-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.review-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:16px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.review-card:hover{transform:translateY(-3px);border-color:rgba(180,255,57,.45);box-shadow:var(--shadow-hover);}
.quote-mark{width:26px;height:26px;stroke:var(--primary);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;opacity:.85;}
.review-card p{color:var(--text-2);font-size:15.5px;line-height:1.9;}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{
  width:44px;height:44px;
  border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(180,255,57,.2),rgba(0,229,192,.16));
  border:1px solid var(--edge);
  color:var(--primary);
  font-weight:700;
  font-size:15px;
  flex-shrink:0;
}
.review-user strong{display:block;font-size:15px;color:var(--text);line-height:1.5;}
.review-user span{font-size:13px;color:var(--text-3);line-height:1.5;}

/* ---------- cms list ---------- */
.post-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.post-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s ease;
  z-index:2;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(180,255,57,.4);}
.post-card:hover::before{transform:scaleX(1);}
.post-thumb{
  display:block;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--surface-2);
  border-bottom:1px solid var(--line);
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-cat{
  display:inline-flex;
  align-items:center;
  height:25px;
  padding:0 11px;
  border-radius:var(--radius-pill);
  font-size:12.5px;
  font-weight:600;
  background:rgba(0,229,192,.14);
  color:var(--accent);
  align-self:flex-start;
}
.post-title{
  font-size:18px;
  line-height:1.5;
  font-weight:700;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-title a{color:var(--text);}
.post-title a:hover{color:var(--primary);}
.post-excerpt{
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.post-date{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.post-date svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.post-more{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:13.5px;
  font-weight:600;
  color:var(--accent);
}
.post-more svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease;}
.post-more:hover svg{transform:translateX(3px);}
.cms-empty{
  grid-column:1/-1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:16px;
  padding:64px 24px;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--radius);
  text-align:center;
}
.cms-empty svg{width:48px;height:48px;stroke:var(--text-3);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.cms-empty p{color:var(--text-2);font-size:15.5px;}
.cms-empty a{font-size:15px;font-weight:600;}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent;--bs-accordion-btn-focus-box-shadow:none;}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line) !important;
  border-radius:12px !important;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease;
}
.accordion-item:hover{border-color:rgba(180,255,57,.28) !important;}
.accordion-button{
  background:transparent;
  color:var(--text);
  font-size:17px;
  font-weight:700;
  line-height:1.6;
  padding:22px 24px;
  box-shadow:none !important;
  border-radius:12px !important;
}
.accordion-button:not(.collapsed){
  color:var(--primary);
  background:transparent;
  box-shadow:inset 3px 0 0 var(--primary) !important;
}
.accordion-button::after{
  background-image:none;
  content:"";
  width:14px;height:14px;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);
  transition:transform .25s ease,border-color .25s ease;
  margin-left:auto;
}
.accordion-button:not(.collapsed)::after{
  border-color:var(--primary);
  transform:rotate(-135deg);
}
.accordion-button:focus{outline:none;}
.accordion-body{
  background:var(--surface-3);
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.9;
  padding:20px 24px 24px;
  border-top:1px solid var(--line);
}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  padding:64px 0;
  background:linear-gradient(120deg,rgba(180,255,57,.10),rgba(0,229,192,.06) 60%,transparent);
  border-top:1px solid var(--edge);
  border-bottom:1px solid var(--line);
  clip-path:polygon(0 3%,100% 0,100% 100%,0 97%);
  z-index:1;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);line-height:1.4;}
.cta-inner p{margin-top:12px;color:var(--text-2);font-size:16px;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-shrink:0;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  z-index:1;
  background:rgba(10,15,12,.9);
  border-top:1px solid var(--line);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-title{
  font-size:16px;
  font-weight:700;
  color:var(--text);
  padding-left:12px;
  border-left:3px solid var(--primary);
  line-height:1.4;
  margin-bottom:20px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:var(--text);
  margin-bottom:16px;
}
.footer-brand:hover{color:var(--text);}
.footer-text{color:var(--text-3);font-size:14.5px;line-height:1.9;max-width:340px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  color:var(--text-2);
  font-size:14.5px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:var(--accent);transform:translateX(2px);}
.footer-contact li{
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.9;
  display:flex;
  gap:10px;
  align-items:flex-start;
  margin-bottom:12px;
}
.footer-contact svg{
  width:16px;height:16px;
  flex-shrink:0;
  margin-top:6px;
  stroke:var(--primary);
  fill:none;
  stroke-width:1.7;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:24px 0 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom p{color:var(--text-3);font-size:13.5px;}
.footer-bottom .tech{color:var(--text-3);font-size:13px;font-variant-numeric:tabular-nums;}

/* ---------- sticky cta ---------- */
.sticky-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1045;
  background:rgba(16,26,20,.96);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--edge);
  padding-bottom:env(safe-area-inset-bottom);
  transform:translateY(110%);
  transition:transform .3s ease;
  box-shadow:0 -12px 30px rgba(0,0,0,.45);
}
.sticky-cta.is-visible{transform:translateY(0);}
.sticky-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.sticky-text{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  color:var(--text-2);
  font-weight:500;
}
.sticky-text svg{width:18px;height:18px;stroke:var(--primary);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;}
body.has-sticky{padding-bottom:88px;}
.back-top{
  position:fixed;
  right:24px;
  bottom:96px;
  width:44px;height:44px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(17,26,21,.94);
  border:1px solid var(--edge);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,border-color .2s ease;
  z-index:1044;
}
.back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{border-color:var(--primary);background:rgba(180,255,57,.12);}
.back-top svg{width:18px;height:18px;stroke:var(--primary);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-grid .footer-col:last-child{grid-column:1/-1;}
}
@media (max-width:991.98px){
  .hero{padding:64px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{max-width:640px;}
  .section{padding:72px 0;}
  .scene{gap:56px;}
  .scene-item{grid-template-columns:1fr;gap:28px;}
  .scene-item.reverse .scene-media{order:0;}
  .feature-grid{grid-template-columns:1fr;}
  .stats-strip{grid-template-columns:repeat(2,1fr);gap:16px;}
  .review-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .sticky-cta{transform:translateY(0);}
  .sticky-inner{height:64px;}
  .sticky-text{font-size:13.5px;}
  .sticky-text .sticky-full{display:none;}
  .back-top{bottom:84px;right:16px;}
  body{padding-bottom:64px;}
  body.has-sticky{padding-bottom:64px;}
}
@media (max-width:767.98px){
  body{font-size:16.5px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .hero-chip{left:0;bottom:12px;}
  .stats-strip{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-grid .footer-col:last-child{grid-column:1/-1;}
  .footer-brand{font-size:16px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .hero{padding:48px 0 56px;}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:16.5px;}
  .hero-actions .btn{width:100%;}
  .post-grid{grid-template-columns:1fr;}
  .stats-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .feature-card{padding:22px;}
  .review-card{padding:22px;}
  .accordion-button{font-size:16px;padding:18px 18px;}
  .accordion-body{padding:16px 18px 20px;}
  .cta-band{clip-path:none;padding:52px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .scan-line{display:none;}
}

/* roulang page: article */
:root{
  --bg:#0A0F0C;
  --card:#111A15;
  --elev:#16211B;
  --soft:#101A14;
  --line:rgba(255,255,255,.08);
  --stroke:rgba(180,255,57,.18);
  --primary:#B4FF39;
  --primary-soft:rgba(180,255,57,.14);
  --cyan:#00E5C0;
  --cyan-soft:rgba(0,229,192,.14);
  --orange:#FF7A1A;
  --t1:#EAF2EC;
  --t2:#9FB3A6;
  --t3:#6B7D72;
  --ink:#08120A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-h:0 24px 56px rgba(0,0,0,.55);
  --container:1200px;
  --bs-body-bg:#0A0F0C;
  --bs-body-color:#EAF2EC;
  --bs-primary:#B4FF39;
  --bs-link-color:#00E5C0;
  --bs-link-hover-color:#B4FF39;
  --bs-border-color:rgba(255,255,255,.08);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.95;
  overflow-x:hidden;
  padding-bottom:0;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,background .2s ease,opacity .2s ease}
a:hover{color:var(--primary)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--t1);letter-spacing:.2px}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;width:100%}
@media (min-width:1200px){.container{max-width:1320px}}
::selection{background:rgba(180,255,57,.28);color:#fff}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease,backdrop-filter .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(180,255,57,0),rgba(180,255,57,.55),rgba(0,229,192,.35),rgba(180,255,57,0));
  opacity:.7;
}
.site-header.scrolled{
  background:rgba(10,15,12,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 14px 30px rgba(0,0,0,.5);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--t1);letter-spacing:.4px;white-space:nowrap}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(180,255,57,.22),rgba(0,229,192,.14));
  border:1px solid var(--stroke);
  box-shadow:0 0 18px rgba(180,255,57,.16);
}
.brand-mark svg{width:20px;height:20px;fill:none;stroke:var(--primary);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.brand-short{display:none}
.site-nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.navitem{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;
  font-size:15px;font-weight:500;line-height:1;color:var(--t2);
  border-radius:8px;position:relative;
}
.navitem:hover{background:rgba(180,255,57,.08);color:var(--t1)}
.navitem.active{color:var(--primary);text-shadow:0 0 12px rgba(180,255,57,.45)}
.navitem.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 12px rgba(180,255,57,.7);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:var(--elev);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:rgba(10,15,12,.98);
  padding:14px 20px 22px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:block;padding:13px 14px;border-radius:10px;color:var(--t2);
  font-size:16px;border-bottom:1px solid var(--line);
}
.mobile-drawer a:last-of-type{border-bottom:0}
.mobile-drawer a.active{color:var(--primary);background:rgba(180,255,57,.08)}
.mobile-drawer .btn-neon{width:100%;margin-top:14px;justify-content:center;border-bottom:0}

/* ---------- 按钮 ---------- */
.btn-neon,.btn-ghost,.btn-orange{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-neon{background:var(--primary);color:var(--ink);box-shadow:0 10px 26px rgba(180,255,57,.18)}
.btn-neon:hover{background:#c6ff60;color:var(--ink);transform:translateY(-2px);box-shadow:0 0 0 3px rgba(180,255,57,.18),0 14px 30px rgba(180,255,57,.22)}
.btn-neon:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.28)}
.btn-ghost{background:transparent;border-color:var(--stroke);color:var(--t1)}
.btn-ghost:hover{border-color:rgba(180,255,57,.55);background:rgba(180,255,57,.10);color:var(--t1);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-orange{background:var(--orange);color:#1a0d02}
.btn-orange:hover{background:#ff8d3c;color:#1a0d02;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-neon:focus-visible,.btn-ghost:focus-visible,.btn-orange:focus-visible,.nav-toggle:focus-visible,.navitem:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}

/* ---------- 通用 ---------- */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;line-height:1.5;
}
.badge-lime{background:var(--primary-soft);color:var(--primary);border:1px solid var(--stroke)}
.badge-cyan{background:var(--cyan-soft);color:var(--cyan);border:1px solid rgba(0,229,192,.22)}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.3;font-weight:700}
.section-head .sub{color:var(--t2);font-size:15px;margin:12px 0 0;max-width:720px}
.eyebrow{color:var(--cyan);font-size:13px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;margin-bottom:14px;display:block}
.grid{display:grid;gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(180,255,57,.55)}
.thumb{position:relative;overflow:hidden;border-radius:var(--r-img);border:1px solid var(--line);background:var(--elev)}
.thumb img{width:100%;height:100%;object-fit:cover}
.ratio-16x9{aspect-ratio:16/9}
.ratio-16x10{aspect-ratio:16/10}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:.5px}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--t3);list-style:none}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb a{color:var(--t2)}
.crumb a:hover{color:var(--cyan)}
.crumb .sep{color:var(--t3);opacity:.6}
.crumb .current{color:var(--t3)}

/* ---------- 文章头部 ---------- */
.article-hero{padding:26px 0 8px;border-bottom:1px solid var(--line)}
.article-hero .badge-pill{margin-bottom:18px}
.article-title{
  font-size:clamp(28px,4.2vw,46px);line-height:1.25;font-weight:800;max-width:960px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:16px;font-size:14px;color:var(--t3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--t3);opacity:.7}
.article-meta .v{color:var(--t2);font-variant-numeric:tabular-nums}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:56px 0 88px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:56px}
@media (min-width:1200px){
  .article-grid{grid-template-columns:minmax(0,800px) 300px;justify-content:center;gap:64px}
}
.article-body{font-size:17px;line-height:1.95;color:var(--t1);max-width:800px;overflow-wrap:anywhere;word-break:break-word}
.article-body p{margin:0 0 1.2em;color:#DCE8DF}
.article-body h2{
  position:relative;font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:700;
  margin:44px 0 16px;padding-left:18px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.42em;width:4px;height:20px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(180,255,57,.6);
}
.article-body h3{font-size:20px;line-height:1.4;font-weight:700;margin:32px 0 12px;color:#F3F8F4}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;color:var(--cyan)}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(0,229,192,.4)}
.article-body a:hover{text-decoration-color:var(--primary);background:rgba(180,255,57,.10);color:var(--primary)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:22px}
.article-body li{line-height:1.9;margin-bottom:8px;color:#DCE8DF}
.article-body ul li::marker{color:var(--cyan)}
.article-body ol li::marker{color:var(--cyan);font-weight:700}
.article-body blockquote{
  margin:28px 0;padding:20px 22px;background:var(--soft);
  border-left:3px solid var(--primary);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--t2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);border:1px solid var(--line);margin:26px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;
}
.article-body th{background:var(--elev);color:var(--t1);text-align:left;font-weight:700;padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--t2)}
.article-body tbody tr:nth-child(odd){background:rgba(255,255,255,.03)}
.article-body pre{
  background:var(--soft);border:1px solid var(--line);border-radius:var(--r-img);
  padding:16px;overflow-x:auto;font-size:14px;line-height:1.7;color:#CFE5D6;
}
.article-body code{background:rgba(0,229,192,.10);color:var(--cyan);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
@media (max-width:768px){
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:640px;margin:0 auto;text-align:center;padding:56px 24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);
}
.empty-state svg{width:48px;height:48px;stroke:var(--cyan);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:16px}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--t2);font-size:15px}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:24px}
@media (min-width:1200px){.side-col{position:sticky;top:96px;align-self:start}}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow)}
.side-card h2{font-size:16px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.side-card h2::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px rgba(180,255,57,.55)}
.side-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.side-list a{display:flex;gap:10px;font-size:14.5px;color:var(--t2);line-height:1.6}
.side-list a:hover{color:var(--cyan)}
.side-list .idx{color:var(--cyan);font-variant-numeric:tabular-nums;font-weight:700;font-size:13px;flex:none;margin-top:3px}
.side-mini{display:flex;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.side-mini:last-child{border-bottom:0;padding-bottom:0}
.side-mini .thumb{width:96px;flex:none}
.side-mini h3{font-size:14.5px;line-height:1.55;font-weight:600;margin-bottom:6px}
.side-mini h3 a{color:var(--t1)}
.side-mini h3 a:hover{color:var(--primary)}
.side-mini .time{font-size:12.5px;color:var(--t3);font-variant-numeric:tabular-nums}

/* ---------- 文末 ---------- */
.article-foot{margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.pager{display:grid;gap:16px;grid-template-columns:1fr;margin-bottom:32px}
@media (min-width:768px){.pager{grid-template-columns:1fr 1fr}}
.pager-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.pager-card:hover{transform:translateY(-3px);border-color:rgba(180,255,57,.55);box-shadow:var(--shadow-h)}
.pager-card .lbl{font-size:12.5px;color:var(--cyan);letter-spacing:1px;display:block;margin-bottom:8px}
.pager-card strong{display:block;font-size:16.5px;font-weight:700;color:var(--t1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pager-card.next{text-align:right}

/* ---------- 相关推荐 ---------- */
.rel-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:768px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow);position:relative;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.rel-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;z-index:2;
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(180,255,57,.55);box-shadow:var(--shadow-h)}
.rel-card:hover::before{transform:scaleX(1)}
.rel-card .thumb{border-radius:0;border:0;border-bottom:1px solid var(--line)}
.rel-body{padding:20px}
.rel-body h3{font-size:17px;line-height:1.5;font-weight:700;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-body h3 a{color:var(--t1)}
.rel-body h3 a:hover{color:var(--primary)}
.rel-body p{font-size:14px;line-height:1.8;color:var(--t2);margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-time{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums}
.rel-time svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:linear-gradient(120deg,#0C1712 0%,#111E17 60%,#0A1310 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:72px 0;overflow:hidden;
}
.cta-band::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;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);font-weight:700;line-height:1.35}
.cta-inner p{color:var(--t2);font-size:15px;margin:10px 0 0;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:767px){
  .cta-inner{flex-direction:column;text-align:center;align-items:center}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn-neon,.cta-actions .btn-ghost{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#080D0A;border-top:1px solid var(--line);padding:72px 0 0;position:relative}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(180,255,57,0),rgba(180,255,57,.5),rgba(0,229,192,.3),rgba(180,255,57,0));
}
.footer-grid{display:grid;gap:40px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.4fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--t1);margin-bottom:16px}
.footer-brand:hover{color:var(--primary)}
.footer-text{font-size:14.5px;line-height:1.85;color:var(--t3);margin:0;max-width:340px}
.footer-title{font-size:16px;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.footer-title::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px rgba(180,255,57,.5)}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14.5px;color:var(--t2);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:var(--cyan);transform:translateX(2px)}
.footer-contact{list-style:none;display:flex;flex-direction:column;gap:14px}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--t3)}
.footer-contact svg{width:18px;height:18px;flex:none;margin-top:4px;fill:none;stroke:var(--cyan);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:13.5px;color:var(--t3)}
.footer-bottom .tech{font-variant-numeric:tabular-nums;letter-spacing:.6px}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1030;
  background:rgba(12,18,14,.96);border-top:1px solid var(--stroke);
  display:flex;align-items:center;gap:14px;padding:10px 20px calc(10px + env(safe-area-inset-bottom));
  transform:translateY(110%);transition:transform .28s ease;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.sticky-cta.show{transform:translateY(0)}
.sticky-cta .tip{font-size:14px;color:var(--t2);flex:1;min-width:0}
.sticky-cta .btn-orange{height:44px;padding:0 20px;font-size:14.5px}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--elev);border:1px solid var(--stroke);color:var(--primary);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;visibility:hidden;transition:opacity .25s ease,transform .25s ease,visibility .25s;
  z-index:1025;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px);border-color:rgba(180,255,57,.55);box-shadow:0 0 0 3px rgba(180,255,57,.16)}
.to-top svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

@media (max-width:991px){
  .header-inner{height:60px}
  .brand{font-size:15.5px}
  .brand-full{display:none}
  .brand-short{display:inline}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .article-wrap{padding:40px 0 64px}
  .article-grid{gap:40px}
  .cta-band{padding:56px 0}
  .site-footer{padding:56px 0 0}
  body{padding-bottom:76px}
  .sticky-cta .tip{font-size:13.5px}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .article-body{font-size:16.5px;line-height:1.9}
  .to-top{right:16px;bottom:84px}
  .card,.side-card{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root{
  --bg:#0A0F0C;
  --card:#111A15;
  --card-2:#16211B;
  --card-3:#101A14;
  --line:rgba(255,255,255,.08);
  --edge:rgba(180,255,57,.18);
  --brand:#B4FF39;
  --brand-soft:rgba(180,255,57,.14);
  --cyan:#00E5C0;
  --cyan-soft:rgba(0,229,192,.14);
  --orange:#FF7A1A;
  --text:#EAF2EC;
  --text-2:#9FB3A6;
  --text-3:#6B7D72;
  --ink:#08120A;
  --r-xs:8px;
  --r-sm:10px;
  --r:14px;
  --r-lg:12px;
  --r-pill:999px;
  --sh:0 18px 40px rgba(0,0,0,.45);
  --sh-hover:0 24px 56px rgba(0,0,0,.55);
  --t:200ms ease;
  --w:1200px;

  --bs-body-bg:#0A0F0C;
  --bs-body-color:#EAF2EC;
  --bs-primary:#B4FF39;
  --bs-primary-rgb:180,255,57;
  --bs-link-color:#00E5C0;
  --bs-link-hover-color:#B4FF39;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-body-font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-border-radius:14px;
  --bs-emphasis-color:#EAF2EC;
}

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

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

body{
  margin:0;
  background-color:var(--bg);
  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;
  background-attachment:fixed;
  color:var(--text);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.95;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color var(--t),opacity var(--t),transform var(--t)}
a:hover{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:.01em}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
::selection{background:rgba(180,255,57,.3);color:#0A0F0C}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container{
  width:100%;
  max-width:var(--w);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px}}

/* ===== 顶栏 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--bg);
  transition:background var(--t),box-shadow var(--t),backdrop-filter var(--t);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,rgba(180,255,57,0),rgba(180,255,57,.55) 30%,rgba(0,229,192,.35) 70%,rgba(180,255,57,0));
  pointer-events:none;
}
.site-header.scrolled{
  background:rgba(10,15,12,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  box-shadow:0 14px 34px rgba(0,0,0,.5);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:72px;
}
@media (max-width:991.98px){.header-inner{height:60px;gap:12px}}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--text);
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  display:grid;place-items:center;
  background:var(--brand-soft);
  border:1px solid var(--edge);
  box-shadow:0 0 18px rgba(180,255,57,.15);
  flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px;fill:none;stroke:var(--brand);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.brand-text{font-weight:800;font-size:17px;letter-spacing:.02em;white-space:nowrap}
@media (max-width:420px){.brand-text{font-size:15px}}

.site-nav{
  margin-left:auto;
  align-items:center;
  gap:2px;
}
.navitem{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:10px 14px;
  border-radius:var(--r-xs);
  font-size:15px;
  line-height:1;
  color:var(--text-2);
  text-decoration:none;
  white-space:nowrap;
  transition:color var(--t),background var(--t);
}
.navitem:hover{color:var(--text);background:rgba(180,255,57,.08)}
.navitem.active{
  color:var(--brand);
  text-shadow:0 0 12px rgba(180,255,57,.45);
}
.navitem.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(180,255,57,.75);
}
.header-actions{margin-left:14px;display:flex;align-items:center;gap:10px}

.nav-toggle{
  margin-left:auto;
  width:42px;height:42px;
  border-radius:var(--r-sm);
  border:1px solid var(--edge);
  background:rgba(17,26,21,.9);
  display:inline-grid;
  place-items:center;
  cursor:pointer;
  transition:background var(--t),border-color var(--t);
}
.nav-toggle:hover{background:rgba(180,255,57,.1)}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:var(--brand);stroke-width:1.8;stroke-linecap:round}

.nav-drawer{
  position:fixed;
  left:0;right:0;top:60px;bottom:0;
  z-index:1020;
  background:rgba(8,12,10,.98);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  padding:20px 20px calc(40px + env(safe-area-inset-bottom));
  overflow-y:auto;
  opacity:0;
  visibility:hidden;
  transform:translateY(-12px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.nav-drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.nav-drawer a.drawer-link{
  display:block;
  padding:15px 12px;
  border-bottom:1px solid var(--line);
  color:var(--text-2);
  font-size:16px;
  text-decoration:none;
}
.nav-drawer a.drawer-link.active{color:var(--brand);text-shadow:0 0 12px rgba(180,255,57,.4)}
.nav-drawer a.drawer-link:hover{color:var(--text);background:rgba(180,255,57,.07)}
.nav-drawer .btn-neon{width:100%;margin-top:22px}
body.nav-open{overflow:hidden}

/* ===== 按钮 ===== */
.btn-neon,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:700;
  line-height:1;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-neon{
  background:var(--brand);
  color:var(--ink);
  box-shadow:0 10px 26px rgba(180,255,57,.16);
}
.btn-neon:hover{
  background:#c6ff5e;
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:0 0 0 3px rgba(180,255,57,.18),0 14px 30px rgba(180,255,57,.22);
}
.btn-neon:active{transform:translateY(0);box-shadow:inset 0 2px 10px rgba(0,0,0,.3)}
.btn-ghost{
  background:transparent;
  border-color:var(--edge);
  color:var(--text);
}
.btn-ghost:hover{
  background:rgba(180,255,57,.10);
  border-color:rgba(180,255,57,.5);
  color:var(--text);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-neon:focus-visible,.btn-ghost:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ===== 徽章 ===== */
.badge-neon,.badge-cyan{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  line-height:1.5;
}
.badge-neon{background:var(--brand-soft);border:1px solid var(--edge);color:var(--brand)}
.badge-cyan{background:var(--cyan-soft);border:1px solid rgba(0,229,192,.28);color:var(--cyan)}
.badge-neon::before,.badge-cyan::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:currentColor;
  box-shadow:0 0 10px currentColor;
}

/* ===== 页头 Hero ===== */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 60px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.24;
  clip-path:polygon(0 0,100% 0,100% 78%,0 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,15,12,.5) 0%,rgba(10,15,12,.86) 62%,var(--bg) 100%);
}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{
  font-size:clamp(30px,5vw,52px);
  line-height:1.2;
  font-weight:800;
  margin:20px 0 18px;
  text-shadow:0 0 26px rgba(180,255,57,.18),0 2px 20px rgba(0,0,0,.6);
  max-width:900px;
}
.hero-lead{
  max-width:780px;
  color:var(--text-2);
  font-size:17px;
  line-height:1.95;
  margin:0 0 30px;
}

.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
}
.crumbs a{color:var(--text-3);text-decoration:none}
.crumbs a:hover{color:var(--cyan)}
.crumbs .sep{color:rgba(107,125,114,.7)}
.crumbs .current{color:var(--text-2)}

/* ===== 板块 ===== */
.section{padding:96px 0}
.section.tight{padding-top:72px}
@media (max-width:991.98px){.section{padding:72px 0}.section.tight{padding-top:56px}}
@media (max-width:575.98px){.section{padding:56px 0}.section.tight{padding-top:44px}}

.sec-head{max-width:780px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{
  font-size:clamp(24px,3.2vw,36px);
  line-height:1.3;
  font-weight:700;
  margin:14px 0 16px;
}
.sec-head p{color:var(--text-2);font-size:16px;line-height:1.85;margin:0}
.section.alt{background:linear-gradient(180deg,rgba(17,26,21,.55),rgba(10,15,12,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ===== 图文对照 ===== */
.media-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
@media (max-width:991.98px){
  .media-row{grid-template-columns:minmax(0,1fr);gap:30px}
}
.media-figure{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--edge);
  box-shadow:var(--sh);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
  background:var(--card-2);
}
.media-figure:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);border-color:rgba(180,255,57,.5)}
.media-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.media-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,15,12,0) 40%,rgba(10,15,12,.6));
  pointer-events:none;
}
.fig-badge{
  position:absolute;
  left:18px;bottom:18px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  background:rgba(10,15,12,.8);
  border:1px solid var(--edge);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.media-copy h3{
  font-size:21px;
  line-height:1.45;
  margin:0 0 10px;
}
.media-copy .step-index{
  font-size:15px;
  font-weight:700;
  color:var(--cyan);
  font-variant-numeric:tabular-nums;
  letter-spacing:.12em;
  display:block;
  margin-bottom:6px;
}
.media-copy p{color:var(--text-2);font-size:16px;line-height:1.9}
.media-copy .inner-block + .inner-block{margin-top:34px;padding-top:30px;border-top:1px solid var(--line)}

/* ===== 要点清单 ===== */
.check-list{
  list-style:none;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px 30px;
  margin:0;
}
@media (max-width:767.98px){.check-list{grid-template-columns:minmax(0,1fr)}}
.check-list li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:20px 22px;
  border-radius:var(--r);
  background:var(--card);
  border:1px solid var(--line);
  transition:border-color var(--t),transform var(--t),box-shadow var(--t),background var(--t);
}
.check-list li:hover{
  border-color:rgba(180,255,57,.45);
  background:var(--card-2);
  transform:translateY(-3px);
  box-shadow:var(--sh-hover);
}
.check-icon{
  flex:0 0 24px;
  width:24px;height:24px;
  margin-top:5px;
  border-radius:50%;
  display:grid;place-items:center;
  background:var(--cyan-soft);
  border:1px solid rgba(0,229,192,.3);
}
.check-icon svg{width:13px;height:13px;fill:none;stroke:var(--cyan);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.check-list strong{display:block;color:var(--text);font-size:17px;font-weight:700;margin-bottom:4px}
.check-list span{color:var(--text-2);font-size:15px;line-height:1.8}

/* ===== 对照卡 ===== */
.compare{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--sh);
  overflow:hidden;
}
.compare-head{
  display:grid;
  grid-template-columns:1.05fr 1.15fr 1.3fr;
  gap:18px;
  padding:16px 26px;
  background:rgba(180,255,57,.06);
  border-bottom:1px solid var(--line);
  color:var(--text-3);
  font-size:13px;
  letter-spacing:.1em;
}
.compare-row{
  display:grid;
  grid-template-columns:1.05fr 1.15fr 1.3fr;
  gap:18px;
  padding:24px 26px;
  border-bottom:1px solid var(--line);
  align-items:center;
  transition:background var(--t);
}
.compare-row:last-child{border-bottom:0}
.compare-row:hover{background:rgba(180,255,57,.04)}
.compare-name{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-size:17px;
  font-weight:700;
}
.compare-name i{
  flex:0 0 8px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 12px rgba(180,255,57,.7);
}
.cmp-cell{color:var(--text-2);font-size:15px;line-height:1.8}
.cmp-cell strong{color:var(--text);font-weight:600}
@media (max-width:767.98px){
  .compare-head{display:none}
  .compare-row{grid-template-columns:minmax(0,1fr);gap:12px;padding:22px}
  .cmp-cell::before{
    content:attr(data-label);
    display:block;
    font-size:12px;
    letter-spacing:.08em;
    color:var(--text-3);
    margin-bottom:2px;
  }
}

/* ===== 数据条 ===== */
.stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-top:36px;
}
@media (max-width:767.98px){.stats{grid-template-columns:minmax(0,1fr);gap:16px}}
.stat{
  background:var(--card-2);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:24px 26px;
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.stat:hover{border-color:rgba(0,229,192,.4);transform:translateY(-3px);box-shadow:var(--sh-hover)}
.stat-num{
  font-size:36px;
  font-weight:800;
  line-height:1.05;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--text-2);margin-left:6px}
.stat p{margin:8px 0 0;font-size:14px;line-height:1.7;color:var(--text-3)}

/* ===== FAQ ===== */
.faq{max-width:900px;margin:0 auto}
.faq .accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:none;
}
.faq .accordion-item:last-child{margin-bottom:0}
.faq .accordion-button{
  position:relative;
  width:100%;
  background:transparent;
  color:var(--text);
  font-size:17px;
  font-weight:700;
  line-height:1.6;
  padding:20px 56px 20px 22px;
  border:0;
  border-radius:var(--r-lg);
  box-shadow:none;
  transition:color var(--t),background var(--t);
}
.faq .accordion-button:hover{background:rgba(180,255,57,.06)}
.faq .accordion-button:not(.collapsed){
  color:var(--brand);
  background:rgba(180,255,57,.07);
  box-shadow:none;
}
.faq .accordion-button:not(.collapsed)::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--brand);
  box-shadow:0 0 12px rgba(180,255,57,.7);
}
.faq .accordion-button::after{
  content:"";
  position:absolute;
  right:24px;
  top:50%;
  width:11px;height:11px;
  margin:0;
  background-image:none;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:translateY(-70%) rotate(45deg);
  transition:transform var(--t),border-color var(--t);
  flex:none;
}
.faq .accordion-button:not(.collapsed)::after{
  border-color:var(--brand);
  transform:translateY(-30%) rotate(-135deg);
}
.faq .accordion-button:focus{outline:none;box-shadow:inset 0 0 0 1px rgba(180,255,57,.4)}
.faq .accordion-body{
  background:var(--card-3);
  color:var(--text-2);
  font-size:16px;
  line-height:1.9;
  padding:18px 22px 24px;
  border-top:1px solid var(--line);
}

/* ===== 底部 CTA ===== */
.cta-band{
  position:relative;
  background:linear-gradient(135deg,#132019 0%,#0A0F0C 62%);
  border-top:1px solid var(--edge);
  padding:80px 0 76px;
  overflow:hidden;
  clip-path:polygon(0 34px,100% 0,100% 100%,0 100%);
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:380px;height:380px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(180,255,57,.14),transparent 68%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
@media (max-width:767.98px){
  .cta-band{clip-path:none;padding:56px 0}
  .cta-inner{flex-direction:column;text-align:center}
  .cta-inner .btn-row{justify-content:center}
}
.cta-inner h2{font-size:clamp(24px,3.2vw,34px);line-height:1.3;margin:0 0 14px}
.cta-inner p{color:var(--text-2);font-size:16px;margin:0;max-width:600px}

/* ===== 页脚 ===== */
.site-footer{
  background:#070B09;
  border-top:1px solid var(--line);
  padding:76px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.5fr;
  gap:44px;
}
@media (max-width:991.98px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:minmax(0,1fr);gap:32px}}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-size:18px;
  font-weight:800;
  text-decoration:none;
  margin-bottom:16px;
}
.footer-brand:hover{color:var(--brand)}
.footer-text{color:var(--text-2);font-size:15px;line-height:1.85;margin:0;max-width:340px}
.footer-title{
  position:relative;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  padding-left:12px;
  margin:0 0 18px;
}
.footer-title::before{
  content:"";
  position:absolute;
  left:0;top:3px;bottom:3px;
  width:3px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 10px rgba(180,255,57,.55);
}
.footer-links{display:flex;flex-direction:column;gap:13px}
.footer-links a{
  color:var(--text-2);
  font-size:15px;
  text-decoration:none;
  transition:color var(--t),transform var(--t);
  width:fit-content;
}
.footer-links a:hover{color:var(--cyan);transform:translateX(2px)}
.footer-contact{list-style:none;display:flex;flex-direction:column;gap:14px}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:var(--text-2);
  font-size:15px;
  line-height:1.7;
}
.footer-contact svg{
  flex:0 0 18px;
  width:18px;height:18px;
  margin-top:5px;
  fill:none;
  stroke:var(--brand);
  stroke-width:1.6;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  color:var(--text-3);
  font-size:14px;
}
.footer-bottom p{margin:0}
.footer-bottom .tech{font-variant-numeric:tabular-nums;letter-spacing:.04em}

/* ===== 返回顶部 ===== */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:1000;
  width:44px;height:44px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(17,26,21,.92);
  border:1px solid var(--edge);
  color:var(--brand);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t),box-shadow var(--t);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{box-shadow:0 0 0 3px rgba(180,255,57,.18);color:var(--brand)}
.to-top svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:575.98px){.to-top{right:16px;bottom:16px}}

/* ===== 动效降级 ===== */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --bg:#0A0F0C;
  --bg-card:#111A15;
  --bg-float:#16211B;
  --bg-deep:#0E1712;
  --panel:#101A14;
  --line:rgba(255,255,255,.08);
  --line-neon:rgba(180,255,57,.18);
  --brand:#B4FF39;
  --brand-2:#00E5C0;
  --accent:#FF7A1A;
  --text:#EAF2EC;
  --text-2:#9FB3A6;
  --text-3:#6B7D72;
  --on-neon:#08120A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 24px 56px rgba(0,0,0,.55);
  --sec:96px;
  --bs-body-bg:#0A0F0C;
  --bs-body-color:#EAF2EC;
  --bs-link-color:#00E5C0;
  --bs-link-hover-color:#B4FF39;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-primary:#B4FF39;
  --bs-primary-rgb:180,255,57;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.95;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  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:56px 56px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:var(--brand-2);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:.2px;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.no-scroll{overflow:hidden;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
@media (min-width:1200px){.container{max-width:1200px;}}
section{position:relative;z-index:1;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,15,12,.96);
  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(180,255,57,.55),rgba(0,229,192,.35),transparent);
}
.site-header.scrolled{
  background:rgba(10,15,12,.88);
  backdrop-filter:blur(10px);
  box-shadow:0 14px 32px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:800;
  font-size:18px;
  letter-spacing:.5px;
  white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-neon);
  border-radius:10px;
  background:linear-gradient(140deg,rgba(180,255,57,.16),rgba(0,229,192,.08));
  box-shadow:0 0 18px rgba(180,255,57,.16);
}
.brand-mark svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.site-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.navitem{
  display:inline-flex;align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:8px;
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  position:relative;
  transition:background .2s ease,color .2s ease;
}
.navitem:hover{background:rgba(180,255,57,.08);color:var(--text);}
.navitem.active{color:var(--brand);text-shadow:0 0 12px rgba(180,255,57,.45);}
.navitem.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:-6px;height:2px;
  background:var(--brand);
  box-shadow:0 0 10px rgba(180,255,57,.6);
  border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:18px;}
.nav-toggle{
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;
  border:1px solid var(--line-neon);
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{
  display:none;
  background:var(--bg-deep);
  border-top:1px solid var(--line-neon);
  padding:16px 20px 24px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;
  padding:14px 4px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.active{color:var(--brand);}
.mobile-drawer .drawer-cta{margin-top:18px;}
.mobile-drawer .drawer-cta .btn-neon{width:100%;}

/* ---------- buttons ---------- */
.btn{
  --bs-btn-focus-box-shadow:none;
  font-weight:700;
  border-radius:var(--r-btn);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,filter .2s ease;
}
.btn-lg-cta{height:48px;padding:0 24px;font-size:16px;}
.btn-sm-cta{height:40px;padding:0 18px;font-size:15px;}
.btn-neon{
  background:var(--brand);
  color:var(--on-neon);
  border:1px solid var(--brand);
}
.btn-neon:hover{background:var(--brand);color:var(--on-neon);filter:brightness(1.08);box-shadow:0 0 0 3px rgba(180,255,57,.18);transform:translateY(-2px);}
.btn-neon:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.35);}
.btn-neon:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border:1px solid var(--line-neon);
}
.btn-ghost:hover{background:rgba(180,255,57,.10);color:var(--text);transform:translateY(-2px);border-color:var(--brand);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-accent{background:var(--accent);color:#160B02;border:1px solid var(--accent);}
.btn-accent:hover{background:var(--accent);color:#160B02;filter:brightness(1.06);box-shadow:0 0 0 3px rgba(255,122,26,.20);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 68px;
  min-height:300px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.20;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(10,15,12,.94) 0%,rgba(10,15,12,.78) 48%,rgba(10,15,12,.92) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.crumb{margin-bottom:22px;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"›";color:var(--text-3);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand-2);}
.crumb [aria-current="page"]{color:var(--text-3);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(180,255,57,.12);
  border:1px solid var(--line-neon);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  letter-spacing:.6px;
}
.page-hero h1{
  margin-top:20px;
  font-size:clamp(30px,5vw,50px);
  line-height:1.2;
  font-weight:800;
}
.page-hero h1 span{color:var(--brand);text-shadow:0 0 22px rgba(180,255,57,.35);}
.hero-lead{
  margin-top:20px;
  max-width:760px;
  color:var(--text-2);
  font-size:17px;
  line-height:1.95;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-pills li{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:8px 16px;
  border-radius:var(--r-pill);
  background:rgba(180,255,57,.12);
  border:1px solid var(--line-neon);
  font-size:14px;
  color:var(--text-2);
}
.hero-pills b{color:var(--brand);font-size:17px;font-variant-numeric:tabular-nums;}
.hero-pills i{font-style:normal;color:var(--text-3);font-size:13px;}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .tag{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:1.4px;
  color:var(--brand-2);
  margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.3;}
.section-head p{margin-top:16px;color:var(--text-2);font-size:17px;line-height:1.95;max-width:800px;}
.tint{background:linear-gradient(180deg,rgba(17,26,21,.65),rgba(10,15,12,0));}

/* ---------- timeline ---------- */
.timeline{position:relative;max-width:860px;margin:0 auto;padding-left:0;}
.timeline::before{
  content:"";
  position:absolute;
  left:27px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,rgba(180,255,57,.55),rgba(0,229,192,.28),transparent);
}
.tl-item{position:relative;display:flex;gap:24px;padding-bottom:36px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  flex:0 0 56px;
  height:56px;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:var(--bg-card);
  border:1px solid var(--line-neon);
  color:var(--brand-2);
  font-size:20px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:1px;
  box-shadow:0 10px 24px rgba(0,0,0,.4);
}
.tl-body{
  flex:1;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tl-body:hover{transform:translateY(-3px);border-color:rgba(180,255,57,.55);box-shadow:var(--shadow-hover);}
.tl-body h3{font-size:20px;line-height:1.4;}
.tl-body p{margin:10px 0 0;color:var(--text-2);font-size:15px;line-height:1.8;}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.chip{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.4px;
}
.chip-lime{background:rgba(180,255,57,.14);color:var(--brand);}
.chip-cyan{background:rgba(0,229,192,.14);color:var(--brand-2);}

/* ---------- data cards ---------- */
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.data-card{
  background:var(--bg-float);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.data-card::after{
  content:"";
  position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transition:width .3s ease;
}
.data-card:hover{transform:translateY(-3px);border-color:rgba(180,255,57,.55);box-shadow:var(--shadow-hover);}
.data-card:hover::after{width:100%;}
.data-card .val{
  display:flex;align-items:baseline;gap:6px;
  font-size:34px;font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  letter-spacing:.5px;
}
.data-card .val small{font-size:14px;font-weight:600;color:var(--text-2);letter-spacing:0;}
.data-card h3{margin-top:14px;font-size:17px;}
.data-card p{margin:8px 0 0;font-size:14px;line-height:1.7;color:var(--text-3);}

/* ---------- checklist split ---------- */
.split{display:grid;grid-template-columns:5fr 6fr;gap:40px;align-items:center;}
.split-img{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line-neon);
  box-shadow:var(--shadow);
  aspect-ratio:4/3;
}
.split-img img{width:100%;height:100%;object-fit:cover;}
.split-img::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(10,15,12,.15),rgba(10,15,12,.72));
}
.check-list{margin-top:24px;display:grid;gap:16px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;}
.check-list svg{
  flex:0 0 22px;width:22px;height:22px;margin-top:5px;
  stroke:var(--brand-2);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;
}
.check-list strong{display:block;font-size:17px;color:var(--text);}
.check-list span{display:block;color:var(--text-2);font-size:15px;line-height:1.8;}

/* ---------- matrix cards ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.mx-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.mx-card.rare{border-color:rgba(180,255,57,.42);}
.mx-card.mid{border-color:rgba(0,229,192,.34);}
.mx-card:hover{transform:translateY(-3px);border-color:rgba(180,255,57,.55);box-shadow:var(--shadow-hover);}
.mx-ico{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(180,255,57,.10);
  border:1px solid var(--line-neon);
}
.mx-ico svg{width:22px;height:22px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.mx-card h3{margin-top:18px;font-size:19px;}
.mx-card p{margin:10px 0 0;font-size:15px;line-height:1.8;color:var(--text-2);}
.mx-card ul{margin-top:16px;display:grid;gap:8px;}
.mx-card ul li{position:relative;padding-left:16px;font-size:14px;color:var(--text-3);line-height:1.7;}
.mx-card ul li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--brand-2);
}

/* ---------- table ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-card);
  overflow-x:auto;
  box-shadow:var(--shadow);
}
table.channel{width:100%;min-width:640px;border-collapse:collapse;}
table.channel thead th{
  background:var(--bg-deep);
  color:var(--text-2);
  font-size:14px;
  font-weight:700;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.channel tbody td{
  padding:16px 20px;
  font-size:15px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
  vertical-align:top;
  line-height:1.75;
}
table.channel tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
table.channel tbody tr:hover{background:rgba(180,255,57,.05);}
table.channel tbody td:first-child{color:var(--text);font-weight:600;}
table.channel tbody tr:last-child td{border-bottom:0;}

/* ---------- faq ---------- */
.faq-acc{max-width:840px;}
.faq-acc .accordion-item{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:14px;
  overflow:hidden;
}
.faq-acc .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:17px;
  font-weight:700;
  padding:20px 22px;
  box-shadow:none;
  border:0;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand);
  background:transparent;
  box-shadow:inset 3px 0 0 var(--brand);
}
.faq-acc .accordion-button:focus{outline:2px solid var(--brand);outline-offset:-2px;}
.faq-acc .accordion-button::after{
  filter:invert(88%) sepia(24%) saturate(1200%) hue-rotate(28deg);
  width:16px;height:16px;background-size:16px;
}
.faq-acc .accordion-body{
  background:var(--panel);
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
  padding:18px 22px 22px;
  border-top:1px solid var(--line);
}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  background:linear-gradient(120deg,#0C1410 0%,#132018 60%,#0C1410 100%);
  border-top:1px solid var(--line-neon);
  border-bottom:1px solid var(--line);
  padding:56px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:-60px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(180,255,57,.16),transparent 68%);
}
.cta-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;max-width:620px;}
.cta-inner p{margin:12px 0 0;color:var(--text-2);font-size:16px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  background:#080C09;
  border-top:1px solid var(--line);
  padding:72px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:var(--text);font-weight:800;font-size:18px;
}
.footer-brand:hover{color:var(--text);}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px;}
.footer-brand .brand-mark svg{width:18px;height:18px;}
.footer-text{margin-top:16px;color:var(--text-3);font-size:14px;line-height:1.85;max-width:320px;}
.footer-title{
  font-size:16px;
  font-weight:700;
  padding-left:12px;
  position:relative;
  margin-bottom:18px;
}
.footer-title::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;
  background:var(--brand);border-radius:2px;box-shadow:0 0 10px rgba(180,255,57,.55);
}
.footer-links{display:grid;gap:12px;}
.footer-links a{color:var(--text-2);font-size:15px;display:inline-block;transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:var(--brand-2);transform:translateX(2px);}
.footer-contact{display:grid;gap:14px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:var(--text-3);font-size:14px;line-height:1.75;}
.footer-contact svg{
  flex:0 0 20px;width:20px;height:20px;margin-top:3px;
  stroke:var(--brand-2);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;color:var(--text-3);font-size:14px;}
.footer-bottom .tech{font-variant-numeric:tabular-nums;letter-spacing:.6px;}

/* ---------- fixed bar & top ---------- */
.fix-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  background:rgba(12,20,16,.96);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--line-neon);
  padding:10px 20px calc(10px + env(safe-area-inset-bottom));
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transform:translateY(120%);
  transition:transform .3s ease;
}
.fix-bar.show{transform:translateY(0);}
.fix-bar span{font-size:14px;color:var(--text-2);}
.to-top{
  position:fixed;
  right:24px;bottom:96px;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--bg-float);
  border:1px solid var(--line-neon);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  opacity:0;pointer-events:none;
  transition:opacity .25s ease,transform .2s ease;
  z-index:69;
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);box-shadow:0 0 0 3px rgba(180,255,57,.18);}
.to-top svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991px){
  :root{--sec:72px;}
  .header-inner{height:60px;}
  .page-hero{padding:40px 0 52px;min-height:240px;}
  .data-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .matrix{grid-template-columns:1fr;gap:20px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  body{padding-bottom:76px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  .container{padding:0 16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-col:last-child{grid-column:auto;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  body{font-size:16px;}
  .brand span.brand-text{max-width:120px;overflow:hidden;text-overflow:ellipsis;}
  .data-grid{grid-template-columns:1fr;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .tl-item{gap:14px;}
  .tl-num{flex:0 0 46px;height:46px;font-size:17px;}
  .timeline::before{left:22px;}
  .to-top{right:16px;bottom:88px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}