/* roulang page: index */
:root{
  --neon:#2BE8A6;
  --neon-soft:rgba(43,232,166,.12);
  --neon-line:rgba(43,232,166,.35);
  --amber:#FF8A2B;
  --amber-soft:rgba(255,138,43,.12);
  --violet:#7A5CFF;
  --bg:#0A0C0B;
  --card:#121614;
  --footer-bg:#070908;
  --light:#F2F4F1;
  --text:#E9EFEA;
  --text-dim:#97A29B;
  --text-dark:#0E1210;
  --text-dark-dim:#5B6660;
  --line:rgba(255,255,255,.08);
  --line-light:rgba(14,18,16,.10);
  --r-card:4px;
  --r-btn:3px;
  --r-badge:2px;
  --container:1240px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;background-color:transparent;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;margin:0;}
button{cursor:pointer;background:none;border:0;padding:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;}
::selection{background:rgba(43,232,166,.28);color:#fff;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:96px 0;position:relative;}
.section-light{background:var(--light);color:var(--text-dark);}
.section-dark{background:var(--bg);}
.section-title{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.02em;
}
.section-sub{
  margin-top:16px;
  font-size:16px;
  line-height:1.8;
  color:var(--text-dim);
  max-width:760px;
}
.section-light .section-sub{color:var(--text-dark-dim);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  font-weight:700;
  color:var(--neon);
  text-transform:uppercase;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--neon);
  display:block;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .2s cubic-bezier(.2,.7,.2,1),box-shadow .2s cubic-bezier(.2,.7,.2,1),background-color .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--neon);
  color:#07110C;
  box-shadow:0 12px 28px -18px rgba(43,232,166,.7);
}
.btn-primary:hover{
  background:#3df0b3;
  transform:translateY(-1px);
  box-shadow:0 0 0 1px var(--neon-line),0 18px 40px -20px rgba(43,232,166,.55);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.22);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:var(--neon);
  color:#fff;
  transform:translateY(-1px);
}
.section-light .btn-ghost{
  border-color:rgba(14,18,16,.24);
  color:var(--text-dark);
}
.section-light .btn-ghost:hover{border-color:var(--neon);color:var(--text-dark);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--neon);
  transition:gap .2s cubic-bezier(.2,.7,.2,1);
}
.link-arrow:hover{gap:11px;}
.link-arrow i{font-size:12px;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:900;
  height:68px;
  background:rgba(10,12,11,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;bottom:-1px;
  width:38%;
  max-width:520px;
  height:1px;
  background:linear-gradient(90deg,var(--neon),rgba(43,232,166,0));
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}
.brand-mark{
  width:28px;height:28px;
  border-radius:6px;
  background:linear-gradient(140deg,#2BE8A6 0%,#149066 55%,#0A0C0B 100%);
  position:relative;
  box-shadow:0 0 18px -4px rgba(43,232,166,.6);
  flex-shrink:0;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border:2px solid rgba(10,12,11,.72);
  border-radius:2px;
}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:#fff;
  line-height:1.1;
}
.brand-text em{
  font-style:normal;
  color:var(--neon);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1;
  justify-content:center;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-dim);
  border-radius:var(--r-btn);
  transition:color .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:2px;
  background:var(--neon);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s cubic-bezier(.2,.7,.2,1);
}
.nav-link.is-active{color:#fff;text-shadow:0 0 14px rgba(43,232,166,.45);}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 10px rgba(43,232,166,.8);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:16px;height:2px;
  background:var(--text);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- Drawer ---------- */
.drawer{
  position:fixed;
  top:0;left:0;
  width:300px;
  max-width:84vw;
  height:100%;
  background:#0B0E0C;
  border-right:1px solid var(--neon-line);
  z-index:1000;
  transform:translateX(-102%);
  transition:transform .28s cubic-bezier(.2,.7,.2,1);
  display:flex;
  flex-direction:column;
  padding:24px 22px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
  margin-bottom:12px;
}
.drawer-close{
  width:34px;height:34px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  color:var(--text-dim);
  font-size:16px;
}
.drawer-nav{flex:1;overflow-y:auto;}
.drawer-nav a{
  display:flex;
  align-items:center;
  height:56px;
  padding:0 6px;
  font-size:15px;
  color:var(--text-dim);
  border-bottom:1px solid var(--line);
  transition:color .18s ease,padding-left .18s ease;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:#fff;padding-left:12px;}
.drawer-nav a.is-active{color:var(--neon);}
.drawer-cta{width:100%;margin-top:20px;}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(4,6,5,.66);
  backdrop-filter:blur(2px);
  opacity:0;
  visibility:hidden;
  transition:opacity .26s ease,visibility .26s ease;
  z-index:999;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:150px 0 0;
  overflow:hidden;
  background:var(--bg);
  min-height:78vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center right;
  opacity:.32;
  transform:scale(1.04);
  filter:saturate(.85);
}
.hero-glow{
  position:absolute;
  top:-18%;
  right:-10%;
  width:60vw;
  height:60vw;
  max-width:820px;
  max-height:820px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(122,92,255,.42) 0%,rgba(122,92,255,0) 68%);
  pointer-events:none;
}
.hero-mask{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,12,11,.86) 0%,rgba(10,12,11,.68) 42%,rgba(10,12,11,.96) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
  padding-bottom:64px;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:32px;
  padding:0 14px;
  border:1px solid var(--neon-line);
  border-radius:var(--r-badge);
  background:rgba(43,232,166,.08);
  color:var(--neon);
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  margin-bottom:26px;
}
.hero-tag i{font-size:11px;}
.hero h1{
  font-size:clamp(30px,4.6vw,58px);
  line-height:1.12;
  font-weight:900;
  letter-spacing:-.02em;
  color:#fff;
  max-width:760px;
}
.hero h1 span{color:var(--neon);}
.hero-lead{
  margin-top:24px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-dim);
  max-width:620px;
}
.hero-actions{
  margin-top:36px;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.hero-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--neon-line);
  box-shadow:0 40px 80px -48px rgba(0,0,0,.9);
}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.2,1);
}
.hero-media:hover img{transform:scale(1.03);}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(200deg,rgba(10,12,11,.1) 0%,rgba(10,12,11,.72) 100%);
}
.hero-media-cap{
  position:absolute;
  left:20px;right:20px;bottom:18px;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-dim);
}
.hero-media-cap strong{color:#fff;font-size:14px;font-weight:700;}
.live-dot{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--amber);
  font-weight:700;
  font-size:12px;
}
.live-dot::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:var(--amber);
  box-shadow:0 0 0 4px rgba(255,138,43,.16);
  animation:pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.45;transform:scale(.82);}
}
.hero-kpi{
  position:relative;
  z-index:2;
  border-top:1px solid var(--line);
  background:rgba(10,12,11,.72);
  backdrop-filter:blur(8px);
}
.kpi-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
}
.kpi{
  padding:26px 24px 28px;
  border-right:1px solid var(--line);
}
.kpi:last-child{border-right:0;}
.kpi-num{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:900;
  letter-spacing:-.02em;
  color:#fff;
  font-variant-numeric:tabular-nums;
  display:flex;
  align-items:baseline;
  gap:4px;
}
.kpi-num u{text-decoration:none;color:var(--neon);font-size:.6em;font-weight:800;}
.kpi-label{
  margin-top:6px;
  font-size:13px;
  color:var(--text-dim);
}

/* ---------- Value ---------- */
.value-grid{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:56px;
  align-items:start;
}
.value-sticky{
  position:sticky;
  top:104px;
}
.value-sticky h2{
  font-size:clamp(26px,3.2vw,42px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.02em;
}
.value-sticky p{
  margin-top:20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-dim);
}
.value-list{display:flex;flex-direction:column;gap:8px;}
.value-item{
  display:grid;
  grid-template-columns:96px 1fr;
  gap:28px;
  align-items:start;
  padding:30px 0;
  border-top:1px solid var(--line);
}
.value-item:last-child{border-bottom:1px solid var(--line);}
.value-num{
  font-size:52px;
  font-weight:900;
  line-height:1;
  letter-spacing:-.03em;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(43,232,166,.55);
  font-variant-numeric:tabular-nums;
}
.value-body h3{
  font-size:20px;
  font-weight:800;
  color:#fff;
  letter-spacing:-.01em;
}
.value-body p{
  margin-top:10px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-dim);
}

/* ---------- Features 2x2 ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
}
.feature-card{
  position:relative;
  padding:38px 34px 34px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:border-color .22s ease,transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s ease;
  overflow:hidden;
}
.feature-card:nth-child(even){margin-top:36px;}
.feature-card:hover{
  border-color:var(--neon-line);
  transform:translateY(-3px);
  box-shadow:0 0 0 1px rgba(43,232,166,.25),0 18px 40px -24px rgba(43,232,166,.45);
}
.feature-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:22px;
}
.feature-idx{
  font-size:40px;
  font-weight:900;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(151,162,155,.5);
  letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
}
.feature-ico{
  width:44px;height:44px;
  border-radius:var(--r-badge);
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--neon);
  font-size:17px;
  background:rgba(43,232,166,.06);
}
.feature-card h3{
  font-size:21px;
  font-weight:800;
  color:#fff;
  letter-spacing:-.01em;
}
.feature-card p{
  margin-top:14px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-dim);
}
.feature-card .link-arrow{margin-top:22px;}

/* ---------- Scenarios / tabs ---------- */
.scene{background:#0C0F0D;}
.tab-bar{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  border-bottom:1px solid var(--line);
  padding-bottom:0;
  margin-bottom:48px;
}
.tab-btn{
  height:52px;
  padding:0 22px;
  font-size:15px;
  font-weight:700;
  color:var(--text-dim);
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.tab-btn:hover{color:#fff;}
.tab-btn.is-active{
  color:#fff;
  border-bottom-color:var(--neon);
  text-shadow:0 0 14px rgba(43,232,166,.4);
}
.tab-panel{display:none;}
.tab-panel.is-active{display:block;animation:fadeUp .45s cubic-bezier(.2,.7,.2,1) both;}
.scene-inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.scene-inner.reverse .scene-media{order:2;}
.scene-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  position:relative;
}
.scene-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.2,1);
}
.scene-media:hover img{transform:scale(1.03);}
.scene-tag{
  display:inline-block;
  padding:4px 10px;
  border-radius:var(--r-badge);
  background:var(--neon-soft);
  color:var(--neon);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:20px;
}
.scene-body h3{
  font-size:clamp(22px,2.6vw,32px);
  font-weight:800;
  line-height:1.3;
  color:#fff;
  letter-spacing:-.02em;
}
.scene-list{margin-top:26px;display:flex;flex-direction:column;gap:16px;}
.scene-list li{
  display:flex;
  gap:14px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-dim);
}
.scene-list li::before{
  content:"";
  flex-shrink:0;
  width:8px;height:8px;
  margin-top:11px;
  border-radius:1px;
  background:var(--neon);
  box-shadow:0 0 10px rgba(43,232,166,.6);
}

/* ---------- Cases ---------- */
.case-grid{
  display:grid;
  grid-template-columns:8fr 4fr;
  gap:28px;
}
.case-main{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  min-height:400px;
  display:flex;
  align-items:flex-end;
}
.case-main img{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.2,1);
}
.case-main::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,12,11,.25) 0%,rgba(10,12,11,.92) 78%);
  transition:opacity .3s ease;
}
.case-main:hover img{transform:scale(1.03);}
.case-main:hover::after{opacity:.86;}
.case-main-body{
  position:relative;
  z-index:2;
  padding:38px 36px;
}
.case-metrics{
  display:flex;
  gap:36px;
  margin-bottom:22px;
  flex-wrap:wrap;
}
.case-metric b{
  display:block;
  font-size:30px;
  font-weight:900;
  color:var(--neon);
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.case-metric span{font-size:13px;color:var(--text-dim);}
.case-quote{
  font-size:17px;
  line-height:1.8;
  color:#fff;
  font-weight:500;
  max-width:660px;
}
.case-side{display:flex;flex-direction:column;gap:28px;}
.case-mini{
  flex:1;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:12px;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s cubic-bezier(.2,.7,.2,1);
}
.case-mini:hover{
  border-color:var(--neon-line);
  transform:translateY(-3px);
  box-shadow:0 0 0 1px rgba(43,232,166,.22),0 18px 40px -26px rgba(43,232,166,.4);
}
.case-mini i{color:var(--neon);font-size:18px;}
.case-mini p{font-size:15px;line-height:1.8;color:var(--text);}
.case-mini span{font-size:13px;color:var(--text-dim);}

/* ---------- CMS list ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .22s ease,transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s ease;
  height:100%;
}
.news-card:hover{
  border-color:var(--neon-line);
  transform:translateY(-3px);
  box-shadow:0 0 0 1px rgba(43,232,166,.22),0 18px 40px -26px rgba(43,232,166,.4);
}
.news-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,#16302a,#0d1310);
}
.news-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.2,1);
}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-thumb .watermark{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:64px;
  font-weight:900;
  color:rgba(43,232,166,.14);
  letter-spacing:-.04em;
}
.badge{
  display:inline-block;
  padding:3px 9px;
  border-radius:var(--r-badge);
  font-size:12px;
  font-weight:700;
  line-height:1.6;
}
.badge-cat{background:var(--neon-soft);color:var(--neon);}
.badge-data{background:var(--amber-soft);color:var(--amber);}
.news-thumb .badge{
  position:absolute;
  top:12px;left:12px;
  z-index:2;
  background:rgba(43,232,166,.16);
  color:var(--neon);
  backdrop-filter:blur(6px);
}
.news-body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.news-title{
  font-size:17px;
  font-weight:700;
  line-height:1.4;
  color:#fff;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .18s ease;
}
.news-card:hover .news-title{color:var(--neon);}
.news-excerpt{
  margin-top:12px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-dim);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:auto;
  padding-top:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-dim);
  border-top:1px solid var(--line);
}
.news-foot .link-arrow{font-size:13px;}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  padding:64px 32px;
  text-align:center;
  background:rgba(18,22,20,.5);
}
.empty-state i{
  font-size:28px;
  color:var(--neon);
  opacity:.7;
}
.empty-state p{
  margin-top:16px;
  font-size:15px;
  color:var(--text-dim);
}
.empty-state .btn{margin-top:24px;}

/* ---------- Pricing ---------- */
.plans{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  align-items:stretch;
}
.plan{
  position:relative;
  background:#fff;
  border:1px solid var(--line-light);
  border-radius:var(--r-card);
  padding:34px 26px 30px;
  display:flex;
  flex-direction:column;
  transition:transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s ease,border-color .22s ease;
}
.plan:hover{
  transform:translateY(-4px);
  box-shadow:0 24px 48px -32px rgba(14,18,16,.5);
}
.plan.is-featured{
  border:1px solid var(--neon);
  box-shadow:0 0 0 1px rgba(43,232,166,.5),0 24px 48px -30px rgba(43,232,166,.6);
}
.plan-flag{
  position:absolute;
  top:-13px;left:26px;
  height:26px;
  padding:0 12px;
  display:inline-flex;
  align-items:center;
  border-radius:var(--r-badge);
  background:var(--neon);
  color:#07110C;
  font-size:12px;
  font-weight:800;
  letter-spacing:.06em;
}
.plan h3{
  font-size:18px;
  font-weight:800;
  color:var(--text-dark);
}
.plan-price{
  margin-top:16px;
  display:flex;
  align-items:baseline;
  gap:4px;
  color:var(--text-dark);
}
.plan-price b{
  font-size:38px;
  font-weight:900;
  letter-spacing:-.03em;
  line-height:1;
  font-variant-numeric:tabular-nums;
}
.plan-price u{text-decoration:none;font-size:14px;color:var(--text-dark-dim);}
.plan-desc{
  margin-top:12px;
  font-size:13px;
  line-height:1.7;
  color:var(--text-dark-dim);
  min-height:44px;
}
.plan-list{
  margin-top:22px;
  padding-top:22px;
  border-top:1px solid var(--line-light);
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.plan-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-dark);
}
.plan-list li i{color:#149066;font-size:13px;margin-top:5px;}
.plan-list li.is-muted{color:var(--text-dark-dim);}
.plan-list li.is-muted i{color:rgba(14,18,16,.28);}
.plan .btn{margin-top:26px;width:100%;}
.plan .btn-ghost{border-color:rgba(14,18,16,.2);color:var(--text-dark);}
.plan .btn-ghost:hover{border-color:var(--neon);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:64px;
  padding:12px 0 12px 0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  position:relative;
  transition:color .18s ease;
}
.faq-q:hover{color:#fff;}
.faq-q::before{
  content:"";
  position:absolute;
  left:-18px;
  top:14px;
  bottom:14px;
  width:2px;
  background:var(--neon);
  border-radius:2px;
  opacity:0;
  transition:opacity .22s ease;
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-icon{
  flex-shrink:0;
  width:24px;height:24px;
  position:relative;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--neon);
  border-radius:2px;
  transition:transform .22s cubic-bezier(.2,.7,.2,1),opacity .22s ease;
}
.faq-icon::before{left:0;top:11px;width:24px;height:2px;}
.faq-icon::after{left:11px;top:0;width:2px;height:24px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a p{
  padding:0 46px 26px 0;
  font-size:15px;
  line-height:1.85;
  color:var(--text-dim);
}

/* ---------- CTA + Form ---------- */
.cta-band{
  background:linear-gradient(120deg,#0E1512 0%,#0A0C0B 60%);
  border-top:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  top:-40%;right:-6%;
  width:52vw;height:52vw;
  max-width:600px;max-height:600px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(43,232,166,.16) 0%,rgba(43,232,166,0) 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:start;
}
.cta-copy h2{
  font-size:clamp(26px,3.2vw,40px);
  font-weight:800;
  line-height:1.22;
  color:#fff;
  letter-spacing:-.02em;
}
.cta-copy p{
  margin-top:20px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-dim);
}
.cta-points{margin-top:30px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{
  display:flex;
  gap:12px;
  font-size:14px;
  color:var(--text-dim);
}
.cta-points li i{color:var(--neon);font-size:13px;margin-top:5px;}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:34px 32px 32px;
}
.form-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--text-dim);
  margin-bottom:8px;
}
.field label .req{color:var(--amber);margin-left:3px;}
.field input,
.field select,
.field textarea{
  width:100%;
  background:#121614;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  color:var(--text);
  padding:12px 14px;
  font-size:15px;
  line-height:1.6;
  transition:border-color .18s ease,box-shadow .18s ease;
  appearance:none;
  -webkit-appearance:none;
}
.field textarea{min-height:112px;resize:vertical;}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--text-dim) 50%),linear-gradient(135deg,var(--text-dim) 50%,transparent 50%);
  background-position:calc(100% - 18px) 20px,calc(100% - 13px) 20px;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
}
.field input::placeholder,
.field textarea::placeholder{color:#6E7A73;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--neon);
  box-shadow:0 0 0 3px rgba(43,232,166,.18);
}
.form-note{
  margin-top:14px;
  font-size:13px;
  color:var(--text-dim);
}
.form-msg{
  margin-top:16px;
  font-size:14px;
  color:var(--neon);
  display:none;
}
.form-msg.is-show{display:block;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--footer-bg);
  border-top:1px solid var(--line);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:4fr 3fr 3fr 2fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand .brand{margin-bottom:20px;}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:var(--text-dim);
  max-width:320px;
}
.footer-col h4{
  font-size:15px;
  font-weight:800;
  color:#fff;
  margin-bottom:20px;
  letter-spacing:.01em;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:14px;
  color:var(--text-dim);
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--neon);}
.footer-col li span{
  font-size:14px;
  color:var(--text-dim);
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:24px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-dim);
}
.footer-bottom a{color:var(--text-dim);transition:color .18s ease;}
.footer-bottom a:hover{color:var(--neon);}

/* ---------- Animations ---------- */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(24px);}
  to{opacity:1;transform:translateY(0);}
}
.reveal{opacity:0;transform:translateY(24px);}
.reveal.is-in{
  animation:fadeUp .6s cubic-bezier(.2,.7,.2,1) both;
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- Responsive ---------- */
@media screen and (max-width:1100px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding-bottom:48px;}
  .hero{min-height:auto;padding-top:126px;}
  .hero-media img{aspect-ratio:16/9;}
  .value-grid{grid-template-columns:1fr;gap:36px;}
  .value-sticky{position:static;}
  .case-grid{grid-template-columns:1fr;}
  .case-main{min-height:340px;}
  .case-side{flex-direction:row;}
  .case-mini{flex:1;}
  .plans{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
}
@media screen and (max-width:1024px){
  .section{padding:72px 0;}
  .container{padding-left:24px;padding-right:24px;}
  .feature-grid{gap:24px;}
  .scene-inner{gap:36px;}
}
@media screen and (max-width:768px){
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .kpi{border-right:0;border-bottom:1px solid var(--line);padding:20px 18px 22px;}
  .kpi:nth-child(odd){border-right:1px solid var(--line);}
  .kpi:nth-last-child(-n+2){border-bottom:0;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-card:nth-child(even){margin-top:0;}
  .scene-inner{grid-template-columns:1fr;}
  .scene-inner.reverse .scene-media{order:0;}
  .value-item{grid-template-columns:64px 1fr;gap:20px;}
  .value-num{font-size:40px;}
  .case-side{flex-direction:column;}
  .news-grid{grid-template-columns:1fr;}
  .plans{grid-template-columns:1fr;}
  .plan-desc{min-height:auto;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-brand p{max-width:none;}
  .faq-a p{padding-right:0;}
  .cta-copy h2{font-size:26px;}
}
@media screen and (max-width:520px){
  body{font-size:15px;}
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .hero{padding-top:110px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;}
  .tab-btn{height:46px;padding:0 14px;font-size:14px;}
  .plan{padding:28px 20px 26px;}
  .form-card{padding:26px 20px 24px;}
  .case-main-body{padding:26px 22px;}
  .hero-media-cap{flex-direction:column;align-items:flex-start;gap:6px;}
}

/* roulang page: article */
:root{
  --ink:#0A0C0B;
  --panel:#121614;
  --footer-bg:#070908;
  --light:#F2F4F1;
  --cyan:#2BE8A6;
  --amber:#FF8A2B;
  --purple:#7A5CFF;
  --text:#E9EFEA;
  --muted:#97A29B;
  --dark-text:#0E1210;
  --dark-muted:#5B6660;
  --line:rgba(255,255,255,.08);
  --line-dark:rgba(14,18,16,.10);
  --radius-card:4px;
  --radius-btn:3px;
  --radius-badge:2px;
  --shadow-rest:0 1px 0 rgba(255,255,255,.04);
  --shadow-hover:0 0 0 1px rgba(43,232,166,.35),0 18px 40px -20px rgba(43,232,166,.35);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2}
p{margin:0}
input,select,textarea{font-family:inherit}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,11,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(43,232,166,.85),rgba(43,232,166,.12) 45%,rgba(43,232,166,0));
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-mark{
  width:22px;height:22px;flex:0 0 22px;
  background:linear-gradient(135deg,#2BE8A6,#0e9d6c);
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
  box-shadow:0 0 14px rgba(43,232,166,.45);
}
.brand-text em{font-style:normal;color:var(--cyan);margin-left:2px}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:block;
  padding:9px 12px;font-size:14.5px;color:var(--muted);
  border-radius:3px;transition:color 180ms var(--ease),background 180ms var(--ease);
}
.nav-link:hover{color:#fff}
.nav-link:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.nav-link.is-active{color:#fff;text-shadow:0 0 12px rgba(43,232,166,.55)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:var(--cyan);box-shadow:0 0 10px rgba(43,232,166,.9);
}
.nav-link-cta{
  margin-left:10px;padding:9px 18px;background:var(--cyan);color:#07231a!important;
  font-weight:700;border-radius:var(--radius-btn);
  box-shadow:0 0 0 1px rgba(43,232,166,.4);
  transition:transform 180ms var(--ease),filter 180ms var(--ease);
}
.nav-link-cta:hover{filter:brightness(1.08);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:44px;height:40px;background:transparent;border:1px solid var(--line);
  border-radius:3px;padding:0;cursor:pointer;position:relative;
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:2px;background:var(--text);border-radius:2px;
  transition:transform 200ms var(--ease),opacity 200ms var(--ease);
}
.nav-toggle span:nth-child(1){top:12px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:26px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mask{
  position:fixed;inset:0;background:rgba(4,6,5,.7);opacity:0;pointer-events:none;
  transition:opacity 200ms var(--ease);z-index:78;
}
.nav-mask.is-open{opacity:1;pointer-events:auto}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;padding:76px 0 64px;overflow:hidden;
  background-image:
    radial-gradient(900px 320px at 82% 8%,rgba(43,232,166,.14),rgba(10,12,11,0) 62%),
    radial-gradient(600px 260px at 6% 92%,rgba(122,92,255,.13),rgba(10,12,11,0) 65%),
    linear-gradient(180deg,rgba(10,12,11,.88),rgba(10,12,11,.96)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover,cover,cover,cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);transition:color 180ms var(--ease)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:rgba(151,162,155,.5)}
.breadcrumb .current{
  color:var(--text);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.post-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;font-size:12px;font-weight:600;letter-spacing:.02em;
  border-radius:var(--radius-badge);
  background:rgba(43,232,166,.12);color:var(--cyan);
  border:1px solid rgba(43,232,166,.28);margin-bottom:18px;
}
.post-title{
  font-size:clamp(28px,4.2vw,44px);line-height:1.18;font-weight:900;letter-spacing:-.02em;
  max-width:900px;margin-bottom:20px;
}
.post-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13.5px;color:var(--muted)}
.post-meta .dot{color:rgba(151,162,155,.45)}

/* ---------- Article body ---------- */
.article-wrap{background:var(--light);color:var(--dark-text);padding:72px 0 88px}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:56px;align-items:start;
  max-width:1140px;margin:0 auto;
}
.article-body{
  max-width:760px;font-size:18px;line-height:1.9;color:var(--dark-text);
}
.article-body>*:first-child{margin-top:0}
.article-body>p:first-of-type{font-size:19px;font-weight:500}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:800;
  margin:2.1em 0 .7em;padding-left:16px;color:var(--dark-text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 10px rgba(43,232,166,.55);
}
.article-body h3{font-size:21px;font-weight:700;margin:1.7em 0 .6em;color:var(--dark-text)}
.article-body h4{font-size:18px;font-weight:700;margin:1.5em 0 .5em}
.article-body a{color:#0b7a58;border-bottom:1px solid rgba(43,232,166,.55);transition:color 180ms var(--ease)}
.article-body a:hover{color:#0E1210;border-bottom-color:var(--cyan)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.5em}
.article-body li{position:relative;margin:0 0 .6em}
.article-body ul>li::before{
  content:"";position:absolute;left:-1.15em;top:.72em;width:7px;height:7px;
  background:var(--cyan);border-radius:1px;
}
.article-body ol{list-style:decimal}
.article-body ol>li::marker{color:#0b7a58;font-weight:700}
.article-body blockquote{
  margin:1.9em 0;padding:20px 24px;border-left:3px solid var(--cyan);
  background:var(--ink);color:var(--text);border-radius:var(--radius-card);
  font-size:16.5px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-card);margin:1.7em 0}
.article-body figure{margin:1.7em 0}
.article-body figcaption{font-size:13px;color:var(--dark-muted);margin-top:10px;text-align:center}
.article-body hr{border:0;border-top:1px solid var(--line-dark);margin:2.2em 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line-dark);text-align:left}
.article-body th{background:rgba(14,18,16,.05);font-weight:700}
.article-empty{
  max-width:620px;padding:56px 40px;background:#fff;border:1px solid var(--line-dark);
  border-radius:var(--radius-card);text-align:center;
}
.article-empty i{font-size:34px;color:var(--dark-muted);display:block;margin-bottom:14px}
.article-empty h2{font-size:24px;margin-bottom:12px;color:var(--dark-text)}
.article-empty p{color:var(--dark-muted);font-size:15.5px;margin-bottom:24px}

/* ---------- Side column ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{
  background:#fff;border:1px solid var(--line-dark);border-radius:var(--radius-card);
  padding:22px;box-shadow:0 1px 0 rgba(14,18,16,.03);
}
.side-card h3{
  font-size:15px;font-weight:800;color:var(--dark-text);margin-bottom:16px;
  padding-bottom:12px;border-bottom:1px solid var(--line-dark);
}
.side-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:7px 0;color:var(--dark-muted)}
.side-list li strong{color:var(--dark-text);font-weight:600;text-align:right}
.side-links li+li{margin-top:4px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;font-size:14.5px;color:var(--dark-text);
  border:1px solid transparent;border-radius:3px;
  transition:border-color 180ms var(--ease),background 180ms var(--ease),color 180ms var(--ease);
}
.side-links a i{color:var(--cyan);font-size:12px}
.side-links a:hover{border-color:rgba(43,232,166,.5);background:rgba(43,232,166,.07)}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section-dark{background:var(--ink);border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:900;line-height:1.2}
.section-sub{font-size:15px;color:var(--muted);margin-top:12px;max-width:640px}
.link-more{font-size:14.5px;color:var(--cyan);white-space:nowrap;transition:opacity 180ms var(--ease)}
.link-more:hover{opacity:.75}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.post-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-rest);
  transition:box-shadow 220ms var(--ease),transform 220ms var(--ease),border-color 220ms var(--ease);
}
.post-card:hover{box-shadow:var(--shadow-hover);border-color:rgba(43,232,166,.35);transform:translateY(-3px)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#121614,#0A0C0B)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms var(--ease),opacity 300ms var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.badge{
  display:inline-flex;align-items:center;padding:3px 9px;font-size:12px;font-weight:600;
  border-radius:var(--radius-badge);background:rgba(43,232,166,.12);color:var(--cyan);
  border:1px solid rgba(43,232,166,.26);
}
.post-thumb .badge{position:absolute;left:12px;top:12px;background:rgba(10,12,11,.82);backdrop-filter:blur(6px)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-title{font-size:18px;line-height:1.4;font-weight:700;color:var(--text)}
.card-text{font-size:14px;line-height:1.7;color:var(--muted);flex:1}
.card-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}
.card-foot .read{color:var(--cyan)}
.post-card:hover .card-title{color:#fff}

/* ---------- Pager ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr auto;gap:18px;align-items:center;margin-top:36px}
.pager-link{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.pager-link:hover{border-color:rgba(43,232,166,.4);box-shadow:var(--shadow-hover)}
.pager-link span{font-size:12.5px;color:var(--muted)}
.pager-link strong{font-size:15.5px;font-weight:700;color:var(--text)}
.pager-link.next{text-align:right;align-items:flex-end}
.pager-back{
  display:inline-flex;align-items:center;gap:8px;padding:14px 26px;
  border:1px solid var(--line);border-radius:var(--radius-btn);color:var(--text);font-size:14.5px;
  transition:border-color 200ms var(--ease),color 200ms var(--ease);
}
.pager-back:hover{border-color:var(--cyan);color:var(--cyan)}

/* ---------- FAQ ---------- */
.faq-block{max-width:860px;padding-left:18px}
.faq-item{position:relative;border-bottom:1px solid var(--line)}
.faq-item::before{
  content:"";position:absolute;left:-18px;top:0;width:2px;height:0;background:var(--cyan);
  transition:height 220ms var(--ease);
}
.faq-item.is-open::before{height:100%}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:16px 0;background:none;border:0;cursor:pointer;text-align:left;
  color:var(--text);font-size:17px;font-weight:600;line-height:1.5;
}
.faq-q:hover{color:#fff}
.faq-q:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.faq-q i{color:var(--cyan);font-size:14px;transition:transform 220ms var(--ease);flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms var(--ease)}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a-inner{padding:0 44px 20px 0;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- CTA + form ---------- */
.cta-block{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-card);
  background:linear-gradient(135deg,rgba(18,22,20,.96),rgba(10,12,11,.98)),
    url('/assets/images/backpic/back-3.webp') center/cover;
  padding:56px;display:grid;grid-template-columns:1fr 440px;gap:56px;align-items:start;
}
.cta-copy h2{font-size:clamp(24px,3vw,32px);line-height:1.25;margin-bottom:16px}
.cta-copy p{color:var(--muted);font-size:15.5px;line-height:1.8;max-width:520px}
.cta-list{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text)}
.cta-list i{color:var(--cyan);margin-top:5px;font-size:13px}
.contact-form{display:flex;flex-direction:column;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field label{font-size:13.5px;color:var(--muted)}
.form-field .req{color:var(--amber);margin-left:3px}
.contact-form input[type="text"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea{
  width:100%;height:auto;margin:0;padding:12px 14px;font-size:15px;
  background:rgba(18,22,20,.92);color:var(--text);
  border:1px solid rgba(255,255,255,.13);border-radius:var(--radius-btn);
  box-shadow:none;appearance:none;transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.contact-form textarea{min-height:108px;line-height:1.7;resize:vertical}
.contact-form select{background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 19px) 21px,calc(100% - 14px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:#6E7A73}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(43,232,166,.18);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;font-size:15px;font-weight:700;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;transition:all 200ms var(--ease);
}
.btn-primary{background:var(--cyan);color:#062a1f}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 12px 30px -14px rgba(43,232,166,.7)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.22);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:#fff}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.btn-block{width:100%}

/* ---------- Footer ---------- */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--line);padding:72px 0 0;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.85;max-width:360px}
.footer-col h4{font-size:15px;color:var(--text);font-weight:700;margin-bottom:18px}
.footer-col li+li{margin-top:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--muted);transition:color 180ms var(--ease)}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid var(--line);font-size:13px;
}
.footer-bottom a{transition:color 180ms var(--ease)}
.footer-bottom a:hover{color:var(--cyan)}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-toggle{display:block}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(330px,86vw);z-index:90;
    flex-direction:column;align-items:stretch;gap:0;
    padding:88px 22px 28px;background:#0A0C0B;
    border-left:1px solid rgba(43,232,166,.35);
    transform:translateX(100%);transition:transform 240ms var(--ease);
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{padding:0;min-height:56px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-link.is-active::after{display:none}
  .nav-link-cta{margin:22px 0 0;justify-content:center;min-height:48px;border-bottom:0}
  .article-hero{padding:56px 0 48px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;max-width:780px}
  .article-side{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .cta-block{grid-template-columns:1fr;gap:36px;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .pager{grid-template-columns:1fr 1fr;gap:16px}
  .pager-back{grid-column:1 / -1;justify-content:center;text-align:center}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .header-inner{height:60px}
  .brand{font-size:16.5px}
  .article-hero{padding:44px 0 40px}
  .article-wrap{padding:48px 0 64px;font-size:17px}
  .article-body{font-size:17px;line-height:1.85}
  .article-body>p:first-of-type{font-size:18px}
  .breadcrumb .current{max-width:180px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .form-row{grid-template-columns:1fr}
  .cta-block{padding:28px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .faq-q{font-size:16px}
  .faq-a-inner{padding-right:0}
  .pager{grid-template-columns:1fr}
  .pager-link.next{text-align:left;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .post-card:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#2BE8A6;
  --brand-dim:rgba(43,232,166,.12);
  --brand-line:rgba(43,232,166,.35);
  --amber:#FF8A2B;
  --amber-dim:rgba(255,138,43,.12);
  --violet:#7A5CFF;
  --ink-900:#070908;
  --ink-800:#0A0C0B;
  --ink-card:#121614;
  --ink-line:rgba(255,255,255,.08);
  --light-bg:#F2F4F1;
  --light-line:rgba(14,18,16,.10);
  --t-dark:#E9EFEA;
  --t-dark-soft:#97A29B;
  --t-light:#0E1210;
  --t-light-soft:#5B6660;
  --r-card:4px;
  --r-btn:3px;
  --r-badge:2px;
  --container:1240px;
  --gutter:28px;
  --section-y:96px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --shadow-hover:0 0 0 1px rgba(43,232,166,.35),0 18px 40px -20px rgba(43,232,166,.35);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-800);
  color:var(--t-dark);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.005em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
::selection{background:rgba(43,232,166,.28);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:var(--section-y) 0;}
.section--light{background:var(--light-bg);color:var(--t-light);}
.section--dark-alt{background:#0C0F0E;}
.section-head{margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:none;
  color:var(--brand);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:block;}
h1{
  font-size:clamp(30px,5vw,64px);line-height:1.12;font-weight:900;
  letter-spacing:-.02em;margin:0;
}
h2{font-size:clamp(24px,3.2vw,40px);line-height:1.2;font-weight:800;letter-spacing:-.015em;}
h3{font-size:21px;line-height:1.35;font-weight:700;}
h4{font-size:15px;font-weight:700;letter-spacing:.02em;}
p{font-size:16px;line-height:1.8;color:var(--t-dark-soft);}
.section--light p{color:var(--t-light-soft);}
.lead{font-size:17px;line-height:1.85;color:var(--t-dark-soft);max-width:760px;}

.badge{
  display:inline-block;font-size:12px;line-height:1.6;padding:3px 9px;
  border-radius:var(--r-badge);background:var(--brand-dim);color:var(--brand);font-weight:600;
}
.badge--amber{background:var(--amber-dim);color:var(--amber);}
.badge--ghost{background:rgba(255,255,255,.06);color:var(--t-dark-soft);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  transition:all .2s var(--ease);white-space:nowrap;border:1px solid transparent;
}
.btn-primary{background:var(--brand);color:#06120D;}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);color:#06120D;}
.btn-ghost{border-color:rgba(255,255,255,.22);color:var(--t-dark);background:transparent;}
.btn-ghost:hover{border-color:var(--brand);color:#fff;}
.btn-dark{background:var(--ink-800);color:#fff;}
.btn-dark:hover{background:#000;color:var(--brand);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);
  transition:gap .2s var(--ease);
}
.link-more:hover{gap:11px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,11,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--ink-line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(43,232,166,.9),rgba(43,232,166,0) 62%);
}
.header-inner{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:#fff;letter-spacing:.01em;}
.brand-mark{
  width:24px;height:24px;border-radius:3px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,#0FB27C 55%,var(--violet) 140%);
  box-shadow:0 0 14px rgba(43,232,166,.45);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:6px;border:2px solid rgba(6,18,13,.75);border-radius:1px;
}
.brand-text em{font-style:normal;color:var(--brand);}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:block;padding:8px 12px;font-size:14.5px;color:var(--t-dark-soft);
  border-radius:2px;transition:color .18s var(--ease);
}
.nav-link:hover{color:#fff;}
.nav-link.is-active{color:#fff;font-weight:700;text-shadow:0 0 12px rgba(43,232,166,.55);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(43,232,166,.8);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-cta{padding:10px 18px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:38px;border:1px solid var(--ink-line);border-radius:var(--r-btn);
  align-items:center;justify-content:center;color:var(--t-dark);
}
.nav-toggle i{font-size:16px;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:90;
  background:#0B0E0D;border-left:1px solid rgba(43,232,166,.35);
  transform:translateX(102%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;padding:22px 0 0;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--ink-line);}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0;}
.drawer-nav a{display:block;height:56px;line-height:56px;padding:0 20px;color:var(--t-dark-soft);border-bottom:1px solid rgba(255,255,255,.05);font-size:15px;}
.drawer-nav a.is-active{color:#fff;font-weight:700;border-left:2px solid var(--brand);padding-left:18px;}
.drawer-foot{padding:18px 20px 26px;border-top:1px solid var(--ink-line);}
.drawer-foot .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,5,4,.62);z-index:80;opacity:0;visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
body.drawer-open{overflow:hidden;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(7,9,8,.72),rgba(7,9,8,.94)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  padding:74px 0 60px;
  border-bottom:1px solid var(--ink-line);
}
.page-hero::before{
  content:"";position:absolute;left:-10%;top:-40%;width:52%;height:150%;
  background:radial-gradient(circle at 40% 40%,rgba(122,92,255,.20),rgba(122,92,255,0) 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{font-size:13px;color:#7E8983;margin-bottom:22px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.crumb a{color:#7E8983;transition:color .18s var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#4C5651;}
.page-hero h1{margin:14px 0 0;}
.page-hero .lead{margin-top:18px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-kpis{
  margin-top:40px;border-top:1px solid var(--ink-line);
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
}
.kpi{padding:22px 18px;border-right:1px solid var(--ink-line);}
.kpi:last-child{border-right:0;}
.kpi-num{
  font-size:clamp(24px,2.6vw,34px);font-weight:800;color:#fff;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.kpi-num span{font-size:14px;font-weight:700;color:var(--brand);margin-left:4px;}
.kpi-label{font-size:13px;color:var(--t-dark-soft);margin-top:6px;}

/* ---------- page body grid ---------- */
.page-main{padding:var(--section-y) 0;}
.page-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start;}
.side-nav{position:sticky;top:96px;}
.side-nav-card{
  background:var(--ink-card);border:1px solid var(--ink-line);border-radius:var(--r-card);
  padding:22px 20px;
}
.side-nav-title{font-size:12px;letter-spacing:.14em;color:var(--t-dark-soft);font-weight:700;margin-bottom:14px;}
.anchor-list li+li{margin-top:4px;}
.anchor-link{
  display:flex;align-items:center;gap:10px;padding:11px 12px;font-size:14.5px;color:var(--t-dark-soft);
  border-radius:3px;border-left:2px solid transparent;transition:all .18s var(--ease);
}
.anchor-link i{font-size:12px;color:#5E6A64;}
.anchor-link:hover{background:rgba(255,255,255,.04);color:#fff;}
.anchor-link.is-active{color:#fff;background:rgba(43,232,166,.08);border-left-color:var(--brand);}
.anchor-link.is-active i{color:var(--brand);}
.side-note{
  margin-top:20px;padding:16px 18px;border-radius:var(--r-card);
  background:linear-gradient(150deg,rgba(43,232,166,.10),rgba(122,92,255,.08));
  border:1px solid var(--ink-line);
}
.side-note p{font-size:13.5px;line-height:1.75;color:#C4CDC6;margin-bottom:14px;}

.content-col{display:flex;flex-direction:column;gap:56px;}
.media-block{
  background:var(--ink-card);border:1px solid var(--ink-line);border-radius:var(--r-card);
  overflow:hidden;scroll-margin-top:96px;transition:box-shadow .22s var(--ease);
}
.media-block:hover{box-shadow:var(--shadow-hover);}
.media-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);align-items:stretch;}
.media-block.reverse .media-grid{grid-template-columns:minmax(0,6fr) minmax(0,6fr);}
.media-block.reverse .media-figure{order:2;}
.media-figure{position:relative;min-height:280px;}
.media-figure img{width:100%;height:100%;object-fit:cover;min-height:280px;transition:transform .3s var(--ease);}
.media-block:hover .media-figure img{transform:scale(1.03);}
.media-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,9,8,.12),rgba(7,9,8,.5));
}
.media-tag{
  position:absolute;left:14px;top:14px;z-index:2;font-size:12px;font-weight:700;
  padding:4px 10px;border-radius:var(--r-badge);background:rgba(10,12,11,.78);color:var(--brand);
  border:1px solid rgba(43,232,166,.35);
}
.media-body{padding:32px 30px;}
.media-body h2{font-size:clamp(20px,2.1vw,27px);margin-bottom:14px;}
.media-body p{font-size:15.5px;margin-bottom:18px;}
.check-list li{position:relative;padding-left:24px;font-size:15px;color:#C9D2CC;line-height:1.75;margin-bottom:10px;}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:1px;
  background:var(--brand);box-shadow:0 0 8px rgba(43,232,166,.6);
}
.check-list li.dash::before{background:transparent;border:1px solid #5E6A64;box-shadow:none;}

/* ---------- feature / audience ---------- */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start;}
.sticky-title{position:sticky;top:110px;}
.sticky-title h2{font-size:clamp(28px,3.4vw,44px);line-height:1.18;}
.sticky-title p{font-size:16px;margin-top:18px;max-width:400px;}
.num-list li{
  display:grid;grid-template-columns:88px minmax(0,1fr);gap:20px;
  padding:26px 0;border-bottom:1px solid var(--ink-line);
}
.section--light .num-list li{border-bottom:1px solid var(--light-line);}
.num-list li:first-child{padding-top:0;}
.num-big{
  font-size:44px;font-weight:900;line-height:1;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1.4px rgba(43,232,166,.75);
  font-variant-numeric:tabular-nums;
}
.section--light .num-big{-webkit-text-stroke:1.4px rgba(14,18,16,.45);}
.num-list h3{margin-bottom:8px;}
.num-list p{font-size:15px;}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--ink-line);border:1px solid var(--ink-line);border-radius:var(--r-card);overflow:hidden;
}
.stat-cell{background:var(--ink-card);padding:28px 22px;}
.stat-cell .v{
  font-size:clamp(26px,3vw,38px);font-weight:800;color:var(--amber);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-cell .t{font-size:13.5px;color:var(--t-dark-soft);margin-top:8px;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq{max-width:880px;}
.faq-item{
  border-bottom:1px solid var(--ink-line);position:relative;
}
.section--light .faq-item{border-bottom:1px solid var(--light-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:18px 0 18px 0;text-align:left;font-size:17px;font-weight:600;color:inherit;
  transition:color .18s var(--ease),padding-left .22s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-item.is-open .faq-q{padding-left:18px;color:var(--brand);}
.faq-item.is-open .faq-q::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;background:var(--brand);
  border-radius:2px;box-shadow:0 0 10px rgba(43,232,166,.7);
}
.faq-q i{font-size:15px;color:var(--t-dark-soft);transition:transform .22s var(--ease),color .18s var(--ease);}
.faq-item.is-open .faq-q i{transform:rotate(45deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a p{font-size:15px;line-height:1.85;padding:0 0 22px 0;max-width:760px;}
.faq-item.is-open .faq-a p{padding-left:18px;}

/* ---------- entry cards ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.entry-card{
  display:flex;flex-direction:column;background:var(--ink-card);border:1px solid var(--ink-line);
  border-radius:var(--r-card);overflow:hidden;transition:all .22s var(--ease);
}
.entry-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.entry-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0B0E0D;}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.entry-card:hover .entry-thumb img{transform:scale(1.03);}
.entry-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,9,8,.1),rgba(7,9,8,.55));}
.entry-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-body h3{font-size:18px;line-height:1.4;}
.entry-body p{font-size:14px;line-height:1.7;flex:1;}
.entry-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#6E7A73;}

/* ---------- CTA + form ---------- */
.cta-band{
  background:linear-gradient(135deg,rgba(43,232,166,.14),rgba(122,92,255,.10) 62%,rgba(10,12,11,0) 100%),var(--ink-card);
  border:1px solid var(--ink-line);border-radius:var(--r-card);
  padding:44px 40px;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:44px;align-items:start;
}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);margin-bottom:14px;}
.cta-band p{font-size:15.5px;}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;color:#C4CDC6;font-weight:600;}
.field .req{color:var(--amber);margin-left:3px;}
.field input,.field select,.field textarea{
  background:var(--ink-800);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-btn);
  padding:12px 14px;font-size:15px;color:var(--t-dark);transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
  width:100%;
}
.field textarea{min-height:104px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#6E7A73;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(43,232,166,.18);
}
.form-note{grid-column:1 / -1;font-size:12.5px;color:#6E7A73;}
.form-msg{grid-column:1 / -1;font-size:14px;color:var(--brand);display:none;}
.form-msg.is-show{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--ink-line);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) repeat(3,minmax(0,2.6fr));gap:40px;padding-bottom:48px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#7E8983;margin-top:16px;max-width:380px;}
.footer-col h4{font-size:14px;color:#E9EFEA;margin-bottom:16px;}
.footer-col li{margin-bottom:11px;}
.footer-col a,.footer-col span{font-size:14px;color:#7E8983;transition:color .18s var(--ease);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--ink-line);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:#6E7A73;
}
.footer-bottom a{color:#7E8983;}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- responsive ---------- */
@media screen and (max-width:1100px){
  .main-nav{gap:0;}
  .nav-link{padding:8px 9px;font-size:14px;}
  .page-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .side-nav{position:static;}
  .anchor-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;}
  .split{gap:36px;}
}
@media screen and (max-width:1024px){
  :root{--section-y:72px;}
  .main-nav,.header-actions .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero{padding:56px 0 46px;}
  .hero-kpis{grid-template-columns:repeat(2,minmax(0,1fr));}
  .kpi{border-bottom:1px solid var(--ink-line);}
  .kpi:nth-child(2n){border-right:0;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:minmax(0,1fr);}
  .sticky-title{position:static;}
  .media-grid{grid-template-columns:minmax(0,1fr);}
  .media-block.reverse .media-figure{order:0;}
  .media-figure,.media-figure img{min-height:220px;}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:34px 26px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media screen and (max-width:640px){
  :root{--section-y:56px;}
  .container{padding:0 16px;}
  .page-main{padding:56px 0;}
  .anchor-list{grid-template-columns:minmax(0,1fr);}
  .hero-kpis{grid-template-columns:minmax(0,1fr);}
  .kpi{border-right:0;}
  .stat-strip{grid-template-columns:minmax(0,1fr);}
  .entry-grid{grid-template-columns:minmax(0,1fr);}
  .num-list li{grid-template-columns:60px minmax(0,1fr);gap:14px;}
  .num-big{font-size:34px;}
  .media-body{padding:24px 20px;}
  .contact-form{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand{font-size:16.5px;}
}

/* roulang page: category2 */
:root{
  --c-main:#2BE8A6;
  --c-main-soft:rgba(43,232,166,.12);
  --c-main-line:rgba(43,232,166,.35);
  --c-amber:#FF8A2B;
  --c-amber-soft:rgba(255,138,43,.12);
  --c-violet:#7A5CFF;
  --bg-deep:#0A0C0B;
  --bg-card:#121614;
  --bg-footer:#070908;
  --bg-light:#F2F4F1;
  --bg-light-2:#E7EAE5;
  --t-main:#E9EFEA;
  --t-sub:#97A29B;
  --t-dark:#0E1210;
  --t-dark-sub:#5B6660;
  --line-dark:rgba(255,255,255,.08);
  --line-light:rgba(14,18,16,.10);
  --r-card:4px;
  --r-btn:3px;
  --r-badge:2px;
  --r-input:3px;
  --sp-section:96px;
  --shadow-hover:0 0 0 1px rgba(43,232,166,.35), 0 18px 40px -20px rgba(43,232,166,.35);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--t-main);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease)}
a:hover{color:var(--c-main)}
img{max-width:100%;display:block}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:var(--sp-section) 0}
.section-light{background:var(--bg-light);color:var(--t-dark)}
.section-light .section-sub{color:var(--t-dark-sub)}
.section-dark{background:var(--bg-deep)}
.section-sub{color:var(--t-sub);font-size:16px;max-width:720px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--c-main);text-transform:uppercase;font-weight:700;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-main);box-shadow:0 0 8px rgba(43,232,166,.8)}
h1{font-size:clamp(30px,5vw,60px);line-height:1.12;font-weight:900;letter-spacing:-.02em}
h2{font-size:clamp(24px,3.2vw,38px);line-height:1.2;font-weight:800;letter-spacing:-.01em}
h3{font-size:21px;line-height:1.35;font-weight:700}
.section-head{margin-bottom:40px;max-width:820px}
.section-head h2{margin-bottom:14px}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(10,12,11,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line-dark)}
.site-header::after{content:"";display:block;height:1px;background:linear-gradient(90deg,var(--c-main),rgba(43,232,166,0) 62%)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:22px;height:22px;background:conic-gradient(from 140deg,var(--c-main),#0A0C0B 60%,var(--c-main));border-radius:3px;box-shadow:0 0 14px rgba(43,232,166,.55);position:relative}
.brand-mark::after{content:"";position:absolute;inset:6px;background:var(--bg-deep);border-radius:1px}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;color:#fff}
.brand-text em{font-style:normal;color:var(--c-main);font-weight:700}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;padding:10px 13px;font-size:15px;color:var(--t-sub);border-radius:3px}
.nav-link:hover{color:#fff}
.nav-link.is-active{color:#fff;text-shadow:0 0 14px rgba(43,232,166,.55)}
.nav-link.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;background:var(--c-main);border-radius:2px;box-shadow:0 0 10px rgba(43,232,166,.85)}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:42px;height:38px;background:transparent;border:1px solid var(--line-dark);border-radius:3px;color:var(--t-main);align-items:center;justify-content:center;transition:border-color .18s var(--ease),color .18s var(--ease)}
.nav-toggle:hover{border-color:var(--c-main-line);color:#fff}
.nav-toggle i{font-size:16px}
.nav-drawer{position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100%;background:#0A0C0B;border-left:1px solid var(--c-main-line);transform:translateX(102%);transition:transform .3s var(--ease);z-index:90;padding:26px 22px;display:flex;flex-direction:column;gap:6px}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer .drawer-title{font-size:12px;letter-spacing:.16em;color:var(--t-sub);margin-bottom:10px}
.nav-drawer a.drawer-link{min-height:56px;display:flex;align-items:center;font-size:16px;color:var(--t-main);border-bottom:1px solid var(--line-dark)}
.nav-drawer a.drawer-link.is-active{color:var(--c-main)}
.nav-drawer .drawer-cta{margin-top:auto}
.nav-overlay{position:fixed;inset:0;background:rgba(5,7,6,.6);opacity:0;visibility:hidden;transition:opacity .25s var(--ease);z-index:80}
.nav-overlay.is-open{opacity:1;visibility:visible}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;font-size:15px;font-weight:700;border-radius:var(--r-btn);border:1px solid transparent;transition:all .18s var(--ease);white-space:nowrap}
.btn-primary{background:var(--c-main);color:#08130E;box-shadow:0 0 0 rgba(43,232,166,0)}
.btn-primary:hover{background:#45eeae;color:#08130E;transform:translateY(-1px);box-shadow:0 12px 30px -14px rgba(43,232,166,.85)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--t-main)}
.btn-ghost:hover{border-color:var(--c-main-line);color:#fff}
.btn-dark{background:#0E1210;color:#fff;border-color:rgba(255,255,255,.12)}
.btn-dark:hover{border-color:var(--c-main);color:var(--c-main)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.text-link{color:var(--c-main);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.text-link i{transition:transform .18s var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;font-size:12px;font-weight:700;border-radius:var(--r-badge);line-height:1.5}
.badge-main{background:var(--c-main-soft);color:var(--c-main)}
.badge-amber{background:var(--c-amber-soft);color:var(--c-amber)}
.badge-line{border:1px solid var(--line-dark);color:var(--t-sub)}

/* ---------- hero ---------- */
.hero-cat{position:relative;overflow:hidden;background:var(--bg-deep);border-bottom:1px solid var(--line-dark)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.4}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(103deg,#0A0C0B 10%,rgba(10,12,11,.82) 48%,rgba(10,12,11,.94) 100%)}
.hero-glow{position:absolute;width:520px;height:520px;right:-140px;top:-180px;background:radial-gradient(circle,rgba(122,92,255,.30),rgba(122,92,255,0) 68%);pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;padding:78px 0 54px}
.hero-copy h1{margin:16px 0 18px}
.hero-sub{font-size:17px;color:var(--t-sub);max-width:620px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--t-sub)}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points i{color:var(--c-main);font-size:12px}
.hero-panel{background:rgba(18,22,20,.86);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:22px;box-shadow:inset 0 0 0 1px rgba(43,232,166,.08)}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.panel-title{font-size:14px;font-weight:700;letter-spacing:.02em}
.live-dot{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--c-main)}
.live-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-main);box-shadow:0 0 10px rgba(43,232,166,.9);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.channel{display:flex;align-items:center;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line-dark);font-size:14px}
.channel:last-of-type{border-bottom:0}
.channel-name{font-weight:600}
.channel-meta{display:flex;align-items:center;gap:14px;color:var(--t-sub);font-size:13px;font-variant-numeric:tabular-nums}
.channel-state{color:var(--c-main);font-weight:700}
.channel-state.standby{color:var(--c-amber)}
.panel-note{margin-top:14px;font-size:12.5px;color:var(--t-sub);line-height:1.7}
.kpi-bar{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border-top:1px solid var(--line-dark)}
.kpi{background:rgba(10,12,11,.9);padding:22px 26px}
.kpi-num{font-size:30px;font-weight:800;color:var(--c-main);font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.2}
.kpi-label{font-size:13px;color:var(--t-sub);margin-top:4px}

/* ---------- numbered rows ---------- */
.rows{border-top:1px solid var(--line-dark)}
.row-item{display:grid;grid-template-columns:130px 1fr 240px;gap:32px;align-items:center;padding:36px 0;border-bottom:1px solid var(--line-dark);transition:background-color .2s var(--ease)}
.row-item:hover{background:rgba(43,232,166,.035)}
.row-num{font-size:64px;font-weight:900;line-height:1;color:rgba(43,232,166,.14);-webkit-text-stroke:1px rgba(43,232,166,.45);font-variant-numeric:tabular-nums}
.row-item:hover .row-num{color:rgba(43,232,166,.24);-webkit-text-stroke-color:var(--c-main)}
.row-item h3{margin-bottom:8px}
.row-item p{color:var(--t-sub);font-size:15.5px;max-width:640px}
.row-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.row-thumb{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-dark)}
.row-thumb img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .3s var(--ease)}
.row-item:hover .row-thumb img{transform:scale(1.04)}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{background:#fff;border:1px solid var(--line-light);border-radius:var(--r-card);padding:26px;transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.scene-card:hover{transform:translateY(-3px);box-shadow:0 22px 40px -26px rgba(14,18,16,.5)}
.scene-card--wide{grid-column:span 2;display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center;padding:0;overflow:hidden}
.scene-card--wide .scene-body{padding:32px 30px 32px 0}
.scene-card--wide .scene-figure{height:100%;min-height:280px}
.scene-card--wide .scene-figure img{width:100%;height:100%;object-fit:cover}
.scene-body h3{margin-bottom:10px;color:var(--t-dark)}
.scene-body p{color:var(--t-dark-sub);font-size:15.5px}
.scene-icon{width:38px;height:38px;border-radius:3px;background:rgba(43,232,166,.14);color:#0E1210;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:16px}
.scene-icon i{color:#12a374}

/* ---------- sports coverage ---------- */
.sports-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:var(--r-card);overflow:hidden}
.sport-item{background:var(--bg-deep);padding:24px 22px;transition:background-color .2s var(--ease)}
.sport-item:hover{background:var(--bg-card)}
.sport-item h3{font-size:17px;margin-bottom:8px}
.sport-item p{font-size:13.5px;color:var(--t-sub);line-height:1.7}
.sport-item span{display:block;font-size:12px;color:var(--c-amber);font-variant-numeric:tabular-nums;margin-bottom:10px;font-weight:700}

/* ---------- proof ---------- */
.proof{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center}
.proof-figure{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-dark)}
.proof-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.proof-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,11,.05),rgba(10,12,11,.55))}
.quote{border-left:3px solid var(--c-main);padding:6px 0 6px 20px;background:linear-gradient(90deg,rgba(43,232,166,.06),rgba(43,232,166,0));font-size:16px;color:var(--t-main);line-height:1.85}
.proof-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.metric{border-top:1px solid var(--line-dark);padding-top:16px}
.metric b{display:block;font-size:26px;font-weight:800;color:var(--c-main);font-variant-numeric:tabular-nums;line-height:1.2}
.metric span{font-size:13px;color:var(--t-sub)}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line-light)}
.faq-item{border-bottom:1px solid var(--line-light)}
.faq-q{width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:transparent;border:0;padding:18px 4px 18px 0;text-align:left;font-size:17px;font-weight:600;color:var(--t-dark);transition:color .18s var(--ease),padding-left .22s var(--ease)}
.faq-q:hover{color:#0b7d57}
.faq-item.is-open .faq-q{color:#0E1210;padding-left:16px}
.faq-item.is-open{box-shadow:inset 2px 0 0 var(--c-main)}
.faq-icon{position:relative;flex:0 0 auto;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:#12a374;transition:transform .22s var(--ease)}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a p{padding:0 4px 22px;color:var(--t-dark-sub);font-size:15px;line-height:1.85;max-width:900px}
.faq-item.is-open .faq-a{align-items:flex-start}

/* ---------- cta + form ---------- */
.cta-wrap{background:linear-gradient(120deg,#0A0C0B,#0F1714 62%,#0A0C0B);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:44px;display:grid;grid-template-columns:5fr 6fr;gap:44px;position:relative;overflow:hidden}
.cta-wrap::before{content:"";position:absolute;width:420px;height:420px;left:-160px;bottom:-220px;background:radial-gradient(circle,rgba(43,232,166,.18),rgba(43,232,166,0) 66%)}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{margin-bottom:14px}
.cta-copy p{color:var(--t-sub);font-size:15.5px}
.cta-list{margin-top:22px;display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:var(--t-sub)}
.cta-list li{display:flex;gap:10px;align-items:flex-start}
.cta-list i{color:var(--c-main);margin-top:5px;font-size:12px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;position:relative;z-index:2}
.field{display:flex;flex-direction:column;gap:7px}
.field-full{grid-column:span 2}
.field label{font-size:13.5px;color:var(--t-sub)}
.field label .req{color:var(--c-amber);margin-left:4px}
.field input,.field select,.field textarea{background:var(--bg-card);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-input);color:var(--t-main);padding:12px 14px;font-size:15px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.field textarea{resize:vertical;min-height:104px}
.field input::placeholder,.field textarea::placeholder{color:#6E7A73}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-main);box-shadow:0 0 0 3px rgba(43,232,166,.16)}
.form-note{grid-column:span 2;font-size:13px;color:var(--t-sub)}
.form-msg{grid-column:span 2;font-size:14px;color:var(--c-main);display:none}
.form-msg.is-show{display:block}

/* ---------- related cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.content-card{background:var(--bg-card);border:1px solid var(--line-dark);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease)}
.content-card:hover{transform:translateY(-4px);border-color:var(--c-main-line);box-shadow:var(--shadow-hover)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.content-card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:14px;top:14px}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px}
.card-body p{font-size:14px;color:var(--t-sub);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t-sub)}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-footer);border-top:1px solid var(--line-dark);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:4fr 2.4fr 2.4fr 3fr;gap:32px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--t-sub);line-height:1.8;max-width:360px}
.footer-col h4{font-size:14px;margin-bottom:16px;color:#fff;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li,.footer-col a,.footer-col span{font-size:14px;color:var(--t-sub)}
.footer-col a:hover{color:var(--c-main)}
.footer-bottom{border-top:1px solid var(--line-dark);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--t-sub)}
.footer-bottom a:hover{color:var(--c-main)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--sp-section:72px}
  .container{padding:0 24px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:56px 0 40px}
  .kpi-bar{grid-template-columns:repeat(2,1fr)}
  .row-item{grid-template-columns:96px 1fr;}
  .row-thumb{display:none}
  .scene-grid{grid-template-columns:1fr}
  .scene-card--wide{grid-column:span 1;grid-template-columns:1fr}
  .scene-card--wide .scene-body{padding:26px}
  .sports-grid{grid-template-columns:repeat(2,1fr)}
  .proof{grid-template-columns:1fr;gap:28px}
  .cta-wrap{grid-template-columns:1fr;gap:30px;padding:32px}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:640px){
  :root{--sp-section:56px}
  .container{padding:0 16px}
  body{font-size:15.5px}
  .header-inner{height:60px}
  .brand-text{font-size:16px}
  .header-actions .btn{display:none}
  .hero-inner{padding:44px 0 34px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .kpi-bar{grid-template-columns:1fr 1fr}
  .kpi{padding:16px 18px}
  .kpi-num{font-size:24px}
  .row-item{grid-template-columns:62px 1fr;gap:16px;padding:26px 0}
  .row-num{font-size:38px}
  .sports-grid{grid-template-columns:1fr}
  .proof-metrics{grid-template-columns:1fr;gap:14px}
  .cta-wrap{padding:24px 18px}
  .form-grid{grid-template-columns:1fr}
  .field-full,.form-note,.form-msg{grid-column:span 1}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{font-size:15.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --primary:#2BE8A6;
  --primary-ink:#0E9C6C;
  --primary-dim:rgba(43,232,166,.12);
  --primary-line:rgba(43,232,166,.35);
  --accent:#FF8A2B;
  --accent-dim:rgba(255,138,43,.12);
  --violet:#7A5CFF;
  --bg-deep:#0A0C0B;
  --bg-card:#121614;
  --bg-footer:#070908;
  --bg-light:#F2F4F1;
  --text:#E9EFEA;
  --text-2:#97A29B;
  --text-dark:#0E1210;
  --text-dark-2:#5B6660;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --line-light:rgba(14,18,16,.10);
  --r-card:4px;
  --r-btn:3px;
  --r-badge:2px;
  --container-w:1240px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --shadow-hover:0 18px 40px -20px rgba(43,232,166,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--primary)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,select,textarea{font-family:inherit}
::selection{background:rgba(43,232,166,.28);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:var(--container-w);margin:0 auto;padding:0 32px}
.section{padding:96px 0;position:relative}
.section-light{background:var(--bg-light);color:var(--text-dark)}
.section-tight{padding-top:0}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,12,11,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(43,232,166,.85),rgba(43,232,166,0) 62%);
  pointer-events:none;
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  position:relative;width:26px;height:26px;border-radius:4px;
  background:linear-gradient(140deg,#2BE8A6,#0e9c6c 78%);
  box-shadow:0 0 0 1px rgba(43,232,166,.45),0 8px 20px -10px rgba(43,232,166,.9);
}
.brand-mark::after{
  content:"";position:absolute;inset:7px 8px;border-radius:1px;
  background:#08120E;opacity:.85;
}
.brand-text{font-size:17px;font-weight:800;color:#fff;letter-spacing:-.01em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--primary);margin-left:2px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 12px;font-size:15px;color:var(--text-2);
  border-radius:3px;white-space:nowrap;transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.04)}
.nav-link.is-active{color:#fff;text-shadow:0 0 12px rgba(43,232,166,.45)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-4px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(43,232,166,.85);
}
.header-actions{margin-left:14px;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:3px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:1.5px;background:#E9EFEA;border-radius:2px;transition:all .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;font-size:15px;font-weight:700;line-height:1;letter-spacing:.01em;
  border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-primary{background:var(--primary);color:#062019;border-color:var(--primary)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 18px 40px -20px rgba(43,232,166,.75);color:#062019}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--primary);color:#fff;background:rgba(43,232,166,.06)}
.btn-ink{background:var(--text-dark);color:#F2F4F1;border-color:var(--text-dark)}
.btn-ink:hover{filter:brightness(1.15);transform:translateY(-1px);color:#fff}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- Drawer ---------- */
.nav-scrim{
  position:fixed;inset:0;background:rgba(3,5,4,.62);opacity:0;visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);z-index:190;
}
body.nav-open .nav-scrim{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);z-index:200;
  background:#0A0C0B;border-left:1px solid rgba(43,232,166,.35);
  transform:translateX(105%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:22px 20px 26px;overflow-y:auto;
  box-shadow:-24px 0 60px -30px rgba(0,0,0,.9);
}
body.nav-open .nav-drawer{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{width:38px;height:38px;border:1px solid var(--line-strong);border-radius:3px;color:#fff;display:inline-flex;align-items:center;justify-content:center}
.drawer-nav a{
  display:flex;align-items:center;height:56px;padding:0 4px;font-size:16px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:#fff}
.drawer-nav a.is-active{color:#fff;box-shadow:inset 3px 0 0 var(--primary);padding-left:14px}
.drawer-foot{margin-top:auto;padding-top:22px}
.drawer-foot .btn{width:100%}

/* ---------- Page Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--bg-deep);padding:0}
.page-hero-bg{
  position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;opacity:.34;
}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,11,.78) 0%,rgba(10,12,11,.92) 58%,#0A0C0B 100%);
}
.page-hero-glow{
  position:absolute;width:620px;height:620px;right:-160px;top:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(122,92,255,.20),rgba(122,92,255,0) 66%);
  pointer-events:none;
}
.page-hero-inner{position:relative;padding:56px 0 0}
.breadcrumb{font-size:13px;color:var(--text-2);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span.sep{color:rgba(255,255,255,.24)}
.breadcrumb .current{color:var(--text);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero h1{
  font-size:clamp(32px,4.6vw,56px);line-height:1.12;font-weight:900;letter-spacing:-.02em;
  margin:22px 0 0;max-width:15em;
}
.page-hero h1 .hl{color:var(--primary);text-shadow:0 0 26px rgba(43,232,166,.32)}
.hero-lead{font-size:17.5px;line-height:1.8;color:var(--text-2);max-width:780px;margin-top:18px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags .badge{background:rgba(255,255,255,.05);color:var(--text)}
.hero-tags .badge.is-on{background:var(--primary-dim);color:var(--primary)}
.kpi-bar{
  position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  margin-top:52px;border-top:1px solid var(--line);
}
.kpi{padding:26px 22px 30px;border-right:1px solid var(--line)}
.kpi:last-child{border-right:0}
.kpi-num{
  font-size:clamp(26px,3vw,36px);font-weight:900;color:#fff;letter-spacing:-.01em;
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.kpi-num small{font-size:.5em;font-weight:700;color:var(--primary);margin-left:4px;letter-spacing:0}
.kpi-label{font-size:13.5px;color:var(--text-2);margin-top:8px}

/* ---------- Section head ---------- */
.section-head{margin-bottom:40px;max-width:860px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;
  letter-spacing:.16em;color:var(--primary);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);display:block}
.section-light .eyebrow{color:var(--primary-ink)}
.section-light .eyebrow::before{background:var(--primary-ink)}
.section-title{font-size:clamp(26px,3.2vw,38px);margin-top:14px}
.section-desc{margin-top:16px;font-size:16px;color:var(--text-2);line-height:1.8}
.section-light .section-desc{color:var(--text-dark-2)}

/* ---------- Badge ---------- */
.badge{
  display:inline-block;padding:4px 9px;font-size:12px;font-weight:600;line-height:1.5;
  border-radius:var(--r-badge);background:var(--primary-dim);color:var(--primary);
}
.badge-accent{background:var(--accent-dim);color:var(--accent)}
.section-light .badge{background:rgba(14,156,108,.12);color:var(--primary-ink)}
.section-light .badge-accent{background:rgba(255,138,43,.14);color:#C25E0B}

/* ---------- Compare grid ---------- */
.compare-hint{display:none;font-size:13px;color:var(--text-2);margin-bottom:12px}
.compare-wrap{position:relative;border:1px solid var(--line);border-radius:var(--r-card);background:#0D100F}
.compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r-card)}
.compare-grid{min-width:940px;display:grid;grid-template-columns:196px repeat(4,minmax(0,1fr))}
.c-cell{padding:18px;font-size:14.5px;color:var(--text-2);border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.compare-grid > .c-cell:nth-child(5n){border-right:0}
.compare-grid > .c-cell:nth-last-child(-n+5){border-bottom:0}
.c-head{
  background:rgba(43,232,166,.06);border-bottom:1px solid var(--primary-line) !important;
  color:#fff;font-weight:800;font-size:15.5px;line-height:1.5;
}
.c-head i{color:var(--primary);margin-right:7px;font-size:13px}
.c-head small{display:block;font-weight:500;font-size:12.5px;color:var(--text-2);margin-top:6px;letter-spacing:0}
.c-label{
  font-weight:700;color:var(--text);font-size:13.5px;letter-spacing:.02em;
  background:#0A0C0B;position:sticky;left:0;z-index:2;
}
.c-val strong{color:var(--text);font-weight:700}
.c-val .num{font-variant-numeric:tabular-nums;color:var(--accent);font-weight:800}
.compare-wrap::before,.compare-wrap::after{
  content:"";position:absolute;top:0;bottom:0;width:44px;pointer-events:none;z-index:3;opacity:0;
  transition:opacity .2s var(--ease);
}
.compare-wrap::before{left:0;background:linear-gradient(90deg,#0A0C0B,rgba(10,12,11,0))}
.compare-wrap::after{right:0;background:linear-gradient(270deg,#0A0C0B,rgba(10,12,11,0))}
.compare-table-foot{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:22px;
}
.mini-note{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--text-2)}
.mini-note i{color:var(--primary);margin-top:4px;font-size:13px}

/* ---------- Feature split ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.split-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .45s var(--ease)}
.split-media:hover img{transform:scale(1.03)}
.split-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,11,.05),rgba(10,12,11,.55));
  pointer-events:none;
}
.media-badge{
  position:absolute;left:16px;top:16px;z-index:2;background:rgba(10,12,11,.78);
  border:1px solid var(--primary-line);color:var(--primary);font-size:12px;font-weight:700;
  padding:5px 10px;border-radius:var(--r-badge);backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.point-list{margin-top:26px;display:grid;gap:18px}
.point{display:flex;gap:14px;align-items:flex-start;padding-bottom:18px;border-bottom:1px solid var(--line)}
.point:last-child{border-bottom:0;padding-bottom:0}
.point-num{
  flex:0 0 auto;font-size:13px;font-weight:800;color:var(--primary);
  border:1px solid var(--primary-line);border-radius:var(--r-badge);
  padding:3px 8px;line-height:1.6;font-variant-numeric:tabular-nums;
}
.point-body h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:6px;letter-spacing:-.01em}
.point-body p{font-size:14.5px;color:var(--text-2);line-height:1.75}

/* ---------- Scenario cards (asymmetric) ---------- */
.scene-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--line-light);border-radius:var(--r-card);
  padding:28px 24px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.scene-card:hover{transform:translateY(-3px);border-color:rgba(14,156,108,.4);box-shadow:0 18px 40px -26px rgba(14,120,88,.55)}
.scene-card.is-main{background:var(--text-dark);color:#F2F4F1;border-color:var(--text-dark)}
.scene-card.is-main h3{color:#fff}
.scene-card.is-main p{color:rgba(242,244,241,.72)}
.scene-card h3{font-size:19px;margin-top:16px;letter-spacing:-.01em}
.scene-card p{font-size:14.5px;color:var(--text-dark-2);line-height:1.75;margin-top:10px}
.scene-list{margin-top:20px;display:grid;gap:10px}
.scene-list li{font-size:14px;display:flex;gap:9px;align-items:flex-start;color:inherit;opacity:.86}
.scene-list li i{color:var(--primary-ink);margin-top:5px;font-size:11px}
.scene-card.is-main .scene-list li i{color:var(--primary)}

/* ---------- Steps timeline ---------- */
.steps{margin-top:8px;display:grid;gap:0}
.step{position:relative;padding:0 0 42px 52px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:10px;top:26px;bottom:0;width:1px;
  background:linear-gradient(180deg,rgba(43,232,166,.55),rgba(43,232,166,.06));
}
.step:last-child::before{display:none}
.step-dot{
  position:absolute;left:0;top:4px;width:21px;height:21px;border-radius:50%;
  background:#0A0C0B;border:2px solid var(--primary);
  box-shadow:0 0 14px rgba(43,232,166,.55);
}
.step-dot::after{
  content:"";position:absolute;inset:5px;border-radius:50%;background:var(--primary);
}
.step-inner{display:grid;grid-template-columns:minmax(0,1fr) 168px;gap:28px;align-items:start}
.step-body h3{font-size:20px;color:#fff;display:flex;align-items:baseline;gap:12px}
.step-body h3 .idx{
  font-size:13px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
}
.step-body p{font-size:15px;color:var(--text-2);line-height:1.8;margin-top:10px}
.step-thumb{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#0D100F;
}
.step-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item{border-left:2px solid transparent;transition:border-color .22s var(--ease),background .22s var(--ease)}
.faq-item.is-open{border-left-color:var(--primary);background:rgba(43,232,166,.03)}
.faq-q{
  width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:18px 22px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:#fff}
.faq-item.is-open .faq-q{color:#fff}
.faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);
  transition:transform .22s var(--ease),opacity .22s var(--ease),background .22s var(--ease);
}
.faq-icon::before{width:14px;height:1.5px;transform:translate(-50%,-50%)}
.faq-icon::after{width:1.5px;height:14px;transform:translate(-50%,-50%)}
.faq-item.is-open .faq-icon::before{background:var(--primary)}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 22px 22px 22px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ---------- Entry cards ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.card{
  display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-3px);border-color:var(--primary-line);box-shadow:var(--shadow-hover)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0f1512}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{position:absolute;left:12px;top:12px;background:rgba(10,12,11,.78);color:var(--primary);border:1px solid var(--primary-line)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.35;color:#fff}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.7}
.card-link{margin-top:auto;font-size:14px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:7px}
.card-link i{transition:transform .2s var(--ease)}
.card:hover .card-link i{transform:translateX(4px)}

/* ---------- CTA + form ---------- */
.cta-panel{
  position:relative;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:linear-gradient(135deg,#101614 0%,#0A0C0B 62%);padding:52px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;
}
.cta-panel::before{
  content:"";position:absolute;width:520px;height:520px;left:-180px;bottom:-300px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,232,166,.16),rgba(43,232,166,0) 68%);pointer-events:none;
}
.cta-copy{position:relative}
.cta-copy h2{font-size:clamp(26px,3vw,36px);margin-top:14px}
.cta-copy p{color:var(--text-2);font-size:15.5px;line-height:1.85;margin-top:16px}
.cta-points{margin-top:26px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text)}
.cta-points li i{color:var(--primary);margin-top:5px;font-size:12px}
.form-card{
  position:relative;background:#0D100F;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;font-weight:600;color:var(--text-2)}
.req{color:var(--accent);margin-left:3px}
.field input[type="text"],.field input[type="tel"],.field input[type="email"],.field select,.field textarea{
  width:100%;background:var(--bg-card);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-input);
  color:var(--text);padding:12px 14px;font-size:15px;line-height:1.5;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  -webkit-appearance:none;appearance:none;
}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,#97A29B 50%),linear-gradient(135deg,#97A29B 50%,transparent 50%);
  background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;
}
.field textarea{min-height:118px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:#0F1412;
  box-shadow:0 0 0 3px rgba(43,232,166,.18);
}
.field input::placeholder,.field textarea::placeholder{color:#6E7A73}
.form-foot{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:4px}
.form-tip{font-size:13px;color:var(--text-2)}
.form-msg{grid-column:1 / -1;margin-top:14px;font-size:14px;color:var(--primary);display:none}
.form-msg.is-show{display:block}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-footer);border-top:1px solid var(--line);padding:64px 0 0;color:var(--text-2)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:340px}
.footer-col h4{font-size:14.5px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.01em}
.footer-col ul{display:grid;gap:11px}
.footer-col li{font-size:14px;color:var(--text-2);line-height:1.7}
.footer-col a{color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(151,162,155,.85);
}
.footer-bottom a{color:rgba(151,162,155,.85)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions{display:none}
  .compare-hint{display:block}
  .compare-wrap::before,.compare-wrap::after{opacity:1}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .split{grid-template-columns:1fr;gap:34px}
  .split.is-reverse .split-media{order:-1}
  .scene-grid{grid-template-columns:1fr 1fr}
  .scene-card.is-main{grid-column:1 / -1}
  .entry-grid{grid-template-columns:1fr 1fr}
  .cta-panel{grid-template-columns:1fr;gap:34px;padding:38px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .compare-table-foot{grid-template-columns:1fr;gap:14px}
  .kpi-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpi:nth-child(2){border-right:0}
  .kpi:nth-child(1),.kpi:nth-child(2){border-bottom:1px solid var(--line)}
}
@media (max-width:768px){
  .page-hero-inner{padding:36px 0 0}
  .kpi-bar{margin-top:36px}
  .step{padding-left:42px}
  .step-inner{grid-template-columns:1fr;gap:16px}
  .step-thumb{max-width:280px}
  .entry-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .faq-q{font-size:16px;padding:16px 16px}
  .faq-a p{padding:0 16px 20px 16px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .header-inner{height:60px}
  .brand-text{font-size:16px}
  .page-hero h1{font-size:30px;margin-top:16px}
  .hero-lead{font-size:15.5px}
  .kpi{padding:18px 14px 22px}
  .kpi-num{font-size:26px}
  .kpi-label{font-size:12.5px}
  .cta-panel{padding:24px 18px}
  .form-card{padding:20px 16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category4 */
:root{
  --brand:#2BE8A6;
  --brand-ink:#0FA973;
  --brand-soft:rgba(43,232,166,.12);
  --accent:#FF8A2B;
  --accent-soft:rgba(255,138,43,.14);
  --violet:#7A5CFF;
  --bg:#0A0C0B;
  --bg-card:#121614;
  --bg-footer:#070908;
  --bg-light:#F2F4F1;
  --text:#E9EFEA;
  --text-dim:#97A29B;
  --text-ink:#0E1210;
  --text-ink-dim:#5B6660;
  --line:rgba(255,255,255,.08);
  --line-light:rgba(14,18,16,.10);
  --r-card:4px;
  --r-btn:3px;
  --r-badge:2px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --glow:0 0 0 1px rgba(43,232,166,.35),0 18px 40px -20px rgba(43,232,166,.35);
  --maxw:1240px;
}
*,*::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:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;height:auto;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.01em}
ul,ol{margin:0;padding:0}
li{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:100%;margin:0}
button{background:none;border:none;cursor:pointer;color:inherit}
svg{display:block}
::selection{background:rgba(43,232,166,.28);color:#fff}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.section{padding:96px 0;position:relative}
.section-light{background:var(--bg-light);color:var(--text-ink)}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);box-shadow:0 0 10px rgba(43,232,166,.7)}
h1{font-size:clamp(30px,5vw,64px);font-weight:900;line-height:1.12;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,38px);line-height:1.2;font-weight:800;letter-spacing:-.02em}
h3{font-size:21px;line-height:1.35}
h4{font-size:16px}
.section-head p{margin-top:16px;color:var(--text-dim);font-size:16px;max-width:660px}
.section-light .section-head p{color:var(--text-ink-dim)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease)}
.btn-primary{background:var(--brand);color:#06120C;box-shadow:0 12px 28px -16px rgba(43,232,166,.75)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.22);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:#fff}
.btn-outline-ink{background:transparent;border-color:rgba(14,18,16,.25);color:var(--text-ink)}
.btn-outline-ink:hover{border-color:var(--brand-ink);color:var(--brand-ink)}
.btn-sm{padding:9px 17px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;filter:none}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(10,12,11,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,rgba(43,232,166,.9),rgba(43,232,166,.18) 38%,rgba(43,232,166,0))}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:22px;height:22px;background:linear-gradient(135deg,var(--brand),var(--violet));clip-path:polygon(58% 0,0 58%,40% 58%,30% 100%,100% 40%,58% 40%);box-shadow:0 0 16px rgba(43,232,166,.45)}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.01em;color:#fff;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-link{position:relative;font-size:15px;color:var(--text-dim);padding:6px 0;white-space:nowrap}
.nav-link:hover{color:#fff}
.nav-link.is-active{color:#fff;text-shadow:0 0 14px rgba(43,232,166,.75)}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);box-shadow:0 0 10px rgba(43,232,166,.9)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:42px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text)}
.nav-toggle:hover{border-color:rgba(43,232,166,.5)}
.drawer-mask{position:fixed;inset:0;background:rgba(4,6,5,.6);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:86%;max-width:340px;background:var(--bg);border-left:1px solid rgba(43,232,166,.45);z-index:100;transform:translateX(102%);transition:transform .28s var(--ease);display:flex;flex-direction:column;padding:18px 20px 24px}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:36px;height:36px;font-size:24px;line-height:1;color:var(--text-dim)}
.drawer-close:hover{color:#fff}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;flex:1}
.drawer-link{display:flex;align-items:center;height:56px;font-size:16px;color:var(--text-dim);border-bottom:1px solid var(--line)}
.drawer-link.is-active{color:#fff;box-shadow:inset 3px 0 0 var(--brand);padding-left:12px}
.drawer-link:hover{color:#fff}
.drawer-foot{padding-top:16px}

/* ---------- hero ---------- */
.page-hero{position:relative;padding:64px 0 72px;background-color:#080A09;background-image:linear-gradient(115deg,rgba(8,10,9,.96) 0%,rgba(8,10,9,.86) 42%,rgba(10,14,12,.72) 100%),url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;border-bottom:1px solid var(--line)}
.page-hero::before{content:"";position:absolute;top:-140px;right:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(122,92,255,.22),rgba(122,92,255,0) 68%);pointer-events:none}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);margin-bottom:26px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.5}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center;position:relative;z-index:1}
.hero-copy h1{max-width:16em}
.hero-lead{margin-top:20px;font-size:17px;color:var(--text-dim);max-width:36em}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-media{position:relative;border:1px solid rgba(43,232,166,.28);padding:10px;background:rgba(18,22,20,.6);border-radius:var(--r-card)}
.hero-media img{border-radius:2px;aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-media::after{content:"";position:absolute;inset:10px;background:linear-gradient(180deg,rgba(8,10,9,0) 45%,rgba(8,10,9,.55));border-radius:2px;pointer-events:none}
.status-bar{margin-top:56px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;position:relative;z-index:1}
.status-cell{background:rgba(12,15,13,.86);padding:22px 24px}
.status-cell strong{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:900;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.status-cell span{display:block;margin-top:6px;font-size:13px;color:var(--text-dim)}
.status-cell.is-accent strong{color:var(--accent)}

/* ---------- layout blocks ---------- */
.split{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;align-items:start}
.sticky-title{position:sticky;top:104px}
.sticky-title h2{font-size:clamp(26px,3.4vw,42px);line-height:1.16}
.sticky-title p{margin-top:18px;color:var(--text-dim);font-size:15px}
.numbered-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.numbered-item{display:grid;grid-template-columns:120px minmax(0,1fr);gap:28px;padding:32px 0;border-bottom:1px solid var(--line);transition:background-color .2s var(--ease)}
.numbered-item:hover{background:rgba(255,255,255,.015)}
.big-num{font-size:56px;font-weight:900;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(43,232,166,.55);font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.numbered-item h3{margin-bottom:10px}
.numbered-item p{color:var(--text-dim);font-size:15.5px;margin-bottom:0}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px}
.timeline-item{position:relative;padding-left:92px;padding-bottom:56px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{content:"";position:absolute;left:27px;top:60px;bottom:6px;width:1px;background:linear-gradient(180deg,rgba(43,232,166,.5),rgba(43,232,166,.06))}
.timeline-item:last-child::before{display:none}
.timeline-node{position:absolute;left:0;top:0;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:1px solid rgba(43,232,166,.55);background:radial-gradient(circle at 30% 25%,rgba(43,232,166,.28),rgba(43,232,166,.04));color:var(--brand);font-weight:900;font-size:16px;font-variant-numeric:tabular-nums;box-shadow:0 0 22px -6px rgba(43,232,166,.5)}
.timeline-body{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:32px;align-items:center}
.timeline-text h3{margin-bottom:12px}
.timeline-text p{color:var(--text-dim);font-size:15.5px}
.timeline-media{border:1px solid var(--line);border-radius:var(--r-card);padding:8px;background:var(--bg-card)}
.timeline-media img{border-radius:2px;aspect-ratio:16/10;object-fit:cover;width:100%}
.timeline-item:nth-child(even) .timeline-media{order:-1}
.check-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.check-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-dim)}
.check-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--brand-soft);border:1px solid var(--brand);border-radius:1px}

/* ---------- cards ---------- */
.card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.card-grid-2 > .card:nth-child(even){margin-top:34px}
.card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);padding:30px 28px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}
.card:hover{border-color:rgba(43,232,166,.4);box-shadow:var(--glow);transform:translateY(-2px)}
.card .card-index{font-size:34px;font-weight:900;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.35);font-variant-numeric:tabular-nums}
.card:hover .card-index{-webkit-text-stroke:1px rgba(43,232,166,.7)}
.card h3{margin:16px 0 12px;font-size:20px}
.card p{color:var(--text-dim);font-size:15px;margin-bottom:18px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand)}
.link-more:hover{color:#fff;gap:10px}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 9px;border-radius:var(--r-badge);background:var(--brand-soft);color:var(--brand);letter-spacing:.02em}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
.section-light .badge{background:rgba(15,169,115,.12);color:var(--brand-ink)}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);max-width:880px}
.section-light .faq-list{border-top-color:var(--line-light)}
.faq-item{border-bottom:1px solid var(--line)}
.section-light .faq-item{border-bottom-color:var(--line-light)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;padding:16px 4px 16px 0;font-size:17px;font-weight:600;cursor:pointer;list-style:none;transition:box-shadow .22s ease,color .2s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.section-light .faq-item summary:hover{color:var(--brand-ink)}
.faq-item[open] summary{box-shadow:inset 2px 0 0 var(--brand);padding-left:16px}
.section-light .faq-item[open] summary{box-shadow:inset 2px 0 0 var(--brand-ink)}
.faq-icon{position:relative;flex:0 0 auto;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;transition:transform .22s ease,opacity .22s ease}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-answer{padding:0 4px 26px}
.faq-item[open] .faq-answer{animation:faqIn .22s ease both}
.faq-answer p{margin:0;font-size:15px;line-height:1.8;color:var(--text-dim)}
.section-light .faq-answer p{color:var(--text-ink-dim)}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- cta + form ---------- */
.cta-section{background-color:#080A09;background-image:linear-gradient(100deg,rgba(8,10,9,.96),rgba(10,14,12,.8)),url("/assets/images/backpic/back-3.webp");background-size:cover;background-position:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}
.cta-grid h2{margin-bottom:18px}
.cta-grid .cta-text p{color:var(--text-dim);font-size:16px;max-width:34em}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:10px}
.cta-points li{position:relative;padding-left:22px;font-size:15px;color:var(--text-dim)}
.cta-points li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:1px;background:var(--brand-soft);border:1px solid var(--brand)}
.contact-form{background:rgba(18,22,20,.82);border:1px solid var(--line);border-radius:var(--r-card);padding:30px 28px}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text)}
.req{color:var(--accent)}
.form-row input,.form-row select,.form-row textarea{width:100%;background:#121614;border:1px solid rgba(255,255,255,.16);border-radius:var(--r-btn);color:var(--text);padding:12px 14px;font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.form-row textarea{min-height:118px;resize:vertical}
.form-row input::placeholder,.form-row textarea::placeholder{color:#6E7A73}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(43,232,166,.22)}
.form-note{margin:14px 0 0;font-size:14px;color:var(--brand);min-height:20px}
.form-actions{margin-top:22px}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.rel-card{display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}
.rel-card:hover{border-color:rgba(43,232,166,.4);box-shadow:var(--glow);transform:translateY(-2px)}
.rel-media{position:relative;overflow:hidden}
.rel-media img{aspect-ratio:16/9;object-fit:cover;width:100%;transition:transform .35s var(--ease),filter .35s var(--ease)}
.rel-card:hover .rel-media img{transform:scale(1.03);filter:brightness(1.06)}
.rel-body{padding:22px 22px 26px}
.rel-body h3{font-size:18px;margin:12px 0 10px}
.rel-body p{color:var(--text-dim);font-size:14.5px;margin-bottom:16px}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-footer);border-top:1px solid var(--line);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:40px}
.footer-brand p{color:var(--text-dim);font-size:14.5px;margin-top:18px;max-width:34em}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li{font-size:14px;color:var(--text-dim)}
.footer-col a{color:var(--text-dim)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{margin-top:52px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-dim)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .header-actions{margin-left:auto}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .status-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:32px}
  .sticky-title{position:static}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
  .timeline-body{grid-template-columns:1fr;gap:20px}
  .timeline-item:nth-child(even) .timeline-media{order:0}
}
@media (max-width:768px){
  .card-grid-2{grid-template-columns:1fr}
  .card-grid-2 > .card:nth-child(even){margin-top:0}
  .related-grid{grid-template-columns:1fr}
  .numbered-item{grid-template-columns:76px minmax(0,1fr);gap:18px;padding:26px 0}
  .big-num{font-size:42px}
  .timeline-item{padding-left:76px}
  .timeline-node{width:48px;height:48px;font-size:14px}
  .timeline-item::before{left:23px;top:52px}
  .faq-item summary{min-height:64px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .header-inner{height:60px}
  .brand-text{font-size:16px}
  .page-hero{padding:40px 0 52px}
  .status-bar{grid-template-columns:1fr}
  .hero-btns .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .contact-form{padding:24px 18px}
  body{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}