/* roulang page: index */
:root{
  --bg:#070A12;
  --bg-2:#0A0F1C;
  --panel:#0F172A;
  --input:#0D1424;
  --brand:#2BE3C0;
  --gold:#FFB020;
  --violet:#7C5CFF;
  --danger:#FF5A6E;
  --text:#E8EEF7;
  --text-2:#A8B4C7;
  --text-3:#6B7A90;
  --line:rgba(255,255,255,.08);
  --line-neon:rgba(43,227,192,.35);
  --r-sm:10px;
  --r:14px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow:0 20px 40px -20px rgba(0,0,0,.85);
  --ease:220ms ease;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  top:-260px;
  left:50%;
  transform:translateX(-50%);
  width:1200px;
  height:640px;
  background:radial-gradient(circle at 50% 50%,rgba(43,227,192,.10),transparent 68%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:rgba(43,227,192,.3)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:0 0 0 4px rgba(43,227,192,.18);border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:64px;
  display:flex;
  align-items:center;
  background:rgba(7,10,18,.55);
  border-bottom:1px solid rgba(43,227,192,.10);
  transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.scrolled{
  background:rgba(7,10,18,.72);
  backdrop-filter:blur(16px) saturate(130%);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  border-bottom:1px solid rgba(43,227,192,.18);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;flex:none;
  display:grid;place-items:center;
  border:1px solid var(--line-neon);
  border-radius:11px;
  background:linear-gradient(150deg,rgba(43,227,192,.18),rgba(124,92,255,.10));
  box-shadow:0 0 18px rgba(43,227,192,.18) inset;
  color:var(--brand);
  font-size:15px;
}
.logo span{color:var(--text)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:9px;
  transition:color var(--ease),background var(--ease);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-links a.active{color:var(--brand);text-shadow:0 0 14px rgba(43,227,192,.35)}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:linear-gradient(90deg,transparent,var(--brand),transparent);
  border-radius:2px;
}
.header-cta{display:inline-flex;align-items:center;gap:8px}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  border-radius:11px;
  cursor:pointer;
  color:var(--text);
  font-size:16px;
}
.drawer{
  position:fixed;
  top:0;right:0;
  width:290px;max-width:86vw;height:100%;
  background:rgba(10,15,28,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-left:1px solid var(--line);
  padding:22px 20px 30px;
  transform:translateX(102%);
  transition:transform 260ms ease;
  z-index:80;
  display:flex;flex-direction:column;gap:8px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer a.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 14px;
  border-radius:11px;color:var(--text-2);font-size:16px;
  border:1px solid transparent;transition:var(--ease);
}
.drawer a.drawer-link:hover{color:var(--brand);background:rgba(43,227,192,.08);border-color:var(--line-neon)}
.drawer a.drawer-link.active{color:var(--brand);border-color:var(--line-neon);background:rgba(43,227,192,.08)}
.drawer .btn{margin-top:auto;justify-content:center}
.drawer-close{background:none;border:0;color:var(--text-2);font-size:20px;cursor:pointer;width:36px;height:36px;border-radius:9px}
.drawer-close:hover{color:var(--brand);background:rgba(255,255,255,.05)}
.backdrop{position:fixed;inset:0;background:rgba(3,5,10,.62);opacity:0;pointer-events:none;transition:opacity 240ms ease;z-index:70}
.backdrop.open{opacity:1;pointer-events:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn-gold{
  background:linear-gradient(135deg,#FFC24D,#FFA114);
  color:#1A1204;
  box-shadow:0 8px 24px rgba(255,176,32,.35);
}
.btn-gold:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-gold:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{
  background:transparent;
  border-color:var(--line-neon);
  color:var(--brand);
}
.btn-ghost:hover{background:rgba(43,227,192,.1);transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn-glow{animation:pulseGlow 3.2s ease-in-out infinite}
@keyframes pulseGlow{
  0%,100%{box-shadow:0 8px 24px rgba(255,176,32,.30)}
  50%{box-shadow:0 10px 34px rgba(255,176,32,.55)}
}
.link-more{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--brand);font-size:15px;font-weight:600;
  transition:gap var(--ease),color var(--ease);
}
.link-more:hover{gap:11px}

/* ---------- Sections ---------- */
section{padding:88px 0;position:relative;z-index:1}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px}
.section-head h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.35}
.section-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:inline-block}

/* ---------- Hero ---------- */
.hero{padding:72px 0 64px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1{
  font-size:clamp(28px,5vw,52px);
  font-weight:700;
  line-height:1.22;
  letter-spacing:-.4px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--brand),#8ff3e0);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:44px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.trust-item{display:flex;gap:11px;align-items:flex-start}
.trust-item i{color:var(--brand);font-size:15px;margin-top:5px}
.trust-item b{display:block;font-size:15px;font-weight:600;tab-size:2}
.trust-item span{font-size:12px;color:var(--text-3);letter-spacing:.06em}
.hero-visual{position:relative}
.hero-visual::before{
  content:"";
  position:absolute;inset:-8% -6%;
  background:radial-gradient(circle at 60% 40%,rgba(43,227,192,.22),transparent 65%);
  filter:blur(6px);
  z-index:0;
}
.hero-frame{
  position:relative;z-index:1;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.015));
}
.hero-frame img{width:100%;height:420px;object-fit:cover}
.hero-frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,18,.10),rgba(7,10,18,.72));
}
.hero-badge{
  position:absolute;z-index:2;left:20px;bottom:20px;right:20px;
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;
  border-radius:var(--r);
  background:rgba(10,15,28,.78);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.hero-badge i{color:var(--gold);font-size:18px}
.hero-badge strong{display:block;font-size:15px}
.hero-badge span{font-size:13px;color:var(--text-3)}

/* ---------- Metrics bento ---------- */
.bento-metrics{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.card{
  position:relative;
  background:linear-gradient(160deg,rgba(255,255,255,.065),rgba(255,255,255,.02));
  border:1px solid var(--line);
  border-radius:var(--r);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,227,192,.32),transparent);
}
.card:hover{
  transform:translateY(-3px);
  border-color:rgba(43,227,192,.4);
  box-shadow:0 20px 40px -20px rgba(0,0,0,.85),0 0 24px rgba(43,227,192,.12);
}
.metric-card{grid-column:span 3;padding:24px 22px 22px;border-radius:var(--r)}
.metric-card .metric-top{position:absolute;left:22px;right:22px;top:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),rgba(124,92,255,.5))}
.metric-card i.metric-ico{color:var(--brand);font-size:16px}
.metric-value{
  font-size:clamp(26px,3.4vw,38px);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
  margin-top:12px;
  line-height:1.1;
}
.metric-value small{font-size:15px;font-weight:600;color:var(--text-2);margin-left:4px}
.metric-label{font-size:12px;letter-spacing:.12em;color:var(--text-3);margin-top:10px;text-transform:uppercase}
.metric-desc{font-size:14px;color:var(--text-2);margin-top:8px}

.wide-card{grid-column:span 12;padding:28px 26px 30px}
.wide-card h3{font-size:19px;font-weight:600}
.wide-card p{font-size:14px;color:var(--text-2);margin-top:8px}
.flow-track{
  display:flex;align-items:center;gap:0;flex-wrap:wrap;margin-top:26px;
}
.flow-node{
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--input);
  font-size:14px;color:var(--text-2);
  white-space:nowrap;
}
.flow-node b{color:var(--brand);font-variant-numeric:tabular-nums}
.flow-line{
  flex:1 1 40px;height:2px;min-width:26px;
  background:linear-gradient(90deg,rgba(43,227,192,.5),rgba(124,92,255,.28));
  border-radius:2px;
}

/* ---------- News / CMS ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;
  overflow:hidden;
  border-radius:var(--r);
}
.news-card .thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,#0C1424,rgba(43,227,192,.14));
}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease}
.news-card:hover .thumb img{transform:scale(1.04)}
.news-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(7,10,18,.72));
}
.news-card .pill{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;
  color:var(--brand);
  background:rgba(7,10,18,.8);
  border:1px solid var(--line-neon);
  backdrop-filter:blur(8px);
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-body h3{
  font-size:17px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--ease);
}
.news-card:hover .news-body h3{color:var(--brand)}
.news-body p{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:13px;color:var(--text-3);
  padding-top:14px;border-top:1px solid var(--line);
}
.news-foot i{color:var(--brand);margin-right:6px}
.empty-state{
  min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.02);
  padding:36px 24px;
}
.empty-state i{font-size:28px;color:rgba(43,227,192,.55)}
.empty-state p{color:var(--text-2);font-size:15px}
.empty-state .btn{margin-top:6px}

/* ---------- Service bento ---------- */
.bento-service{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.svc{padding:26px 24px;display:flex;flex-direction:column;gap:12px;min-height:180px}
.svc-lg{grid-column:span 6;display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center;padding:26px}
.svc-md{grid-column:span 3}
.svc-sm{grid-column:span 4}
.svc .num{font-size:12px;letter-spacing:.2em;color:var(--text-3);font-variant-numeric:tabular-nums}
.svc i.svc-ico{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  color:var(--brand);
  border:1px solid var(--line-neon);
  background:rgba(43,227,192,.07);
  font-size:16px;
}
.svc h3{font-size:19px;font-weight:600}
.svc h3.small{font-size:17px}
.svc p{font-size:14px;color:var(--text-2);line-height:1.75}
.svc .arrow{margin-top:auto;color:var(--brand);font-size:14px;transition:transform var(--ease)}
.svc:hover .arrow{transform:translateX(5px)}
.svc-media{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:linear-gradient(135deg,#0C1424,rgba(43,227,192,.14))}
.svc-media img{width:100%;height:210px;object-fit:cover}

/* ---------- Compare ---------- */
.compare-wrap{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:0}
.compare-col{padding:30px 28px}
.compare-col.left{border-radius:var(--r) 0 0 var(--r);background:rgba(255,255,255,.022);border:1px solid var(--line);border-right:0}
.compare-col.right{
  border-radius:0 var(--r) var(--r) 0;
  background:linear-gradient(160deg,rgba(43,227,192,.09),rgba(255,255,255,.02));
  border:1px solid var(--line-neon);
  box-shadow:0 0 34px -14px rgba(43,227,192,.35) inset;
}
.compare-col h3{font-size:18px;font-weight:600;margin-bottom:6px}
.compare-col .tag{font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.left .tag{color:var(--danger)}
.right .tag{color:var(--brand)}
.compare-list{margin-top:20px;display:flex;flex-direction:column;gap:14px}
.compare-list li{display:flex;gap:11px;font-size:15px;line-height:1.7;color:var(--text-2)}
.compare-list li i{margin-top:5px;font-size:14px;flex:none}
.left .compare-list li i{color:var(--danger)}
.right .compare-list li i{color:var(--brand)}
.compare-wrap::after{
  content:"";position:absolute;top:16px;bottom:16px;left:50%;width:1px;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.16) 0 6px,transparent 6px 12px);
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative;transition:background var(--ease)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px 22px 24px;
  font-size:17px;font-weight:600;line-height:1.6;
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary .sign{color:var(--brand);font-size:16px;flex:none;transition:transform var(--ease)}
.faq-item[open]{background:rgba(43,227,192,.04)}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),rgba(124,92,255,.5));
}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary .sign{transform:rotate(45deg)}
.faq-answer{padding:0 26px 24px 24px;font-size:15.5px;line-height:1.85;color:var(--text-2)}

/* ---------- Form ---------- */
.cta-card{
  border-radius:var(--r-lg);
  padding:44px 40px;
  display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;
}
.cta-card h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.35}
.cta-card .lead{margin-top:16px;color:var(--text-2);font-size:16px;line-height:1.8}
.point-list{margin-top:26px;display:flex;flex-direction:column;gap:16px}
.point-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.7}
.point-list li i{color:var(--brand);margin-top:5px;flex:none}
.form-grid{display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:9px}
.field label{font-size:14px;color:var(--text-2)}
.field input,.field select,.field textarea{
  width:100%;
  padding:13px 15px;
  background:var(--input);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  color:var(--text);
  font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{min-height:118px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(43,227,192,.18),0 0 18px rgba(43,227,192,.18);
  background:#0B1221;
}
.form-note{font-size:13px;color:var(--text-3);line-height:1.7}
.form-msg{display:none;font-size:14px;color:var(--brand)}
.form-msg.show{display:block}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:24px;
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(43,227,192,.55),transparent) 1;
  background:var(--bg-2);
  padding:64px 0 0;
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;margin-top:16px;max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-2);transition:color var(--ease),transform var(--ease);display:inline-block}
.footer-col a:hover{color:var(--brand);transform:translateX(3px)}
.footer-bottom{
  margin-top:52px;
  padding:22px 0 26px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.back-top{
  position:fixed;right:24px;bottom:26px;z-index:50;
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(10,15,28,.86);
  border:1px solid var(--line-neon);
  color:var(--brand);cursor:pointer;
  opacity:0;pointer-events:none;
  transition:opacity var(--ease),transform var(--ease);
}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-3px)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity 520ms ease,transform 520ms ease}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{max-width:100%}
}
@media (max-width:1023px){
  .nav-links,.header-cta{display:none}
  .menu-toggle{display:grid;place-items:center}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-frame img{height:340px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .metric-card{grid-column:span 6}
  .svc-lg{grid-column:span 12}
  .svc-md{grid-column:span 6}
  .svc-sm{grid-column:span 6}
  .cta-card{grid-template-columns:1fr;gap:34px;padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  section{padding:64px 0}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .hero{padding:48px 0 40px}
  .hero h1{font-size:clamp(28px,7vw,34px)}
  .trust-bar{grid-template-columns:1fr 1fr;gap:18px}
  .news-grid{grid-template-columns:1fr}
  .metric-card{grid-column:span 12}
  .svc-md,.svc-sm{grid-column:span 12}
  .svc-lg{grid-template-columns:1fr}
  .compare-wrap{grid-template-columns:1fr}
  .compare-col.left{border-radius:var(--r) var(--r) 0 0;border-right:1px solid var(--line);border-bottom:0}
  .compare-col.right{border-radius:0 0 var(--r) var(--r)}
  .compare-wrap::after{display:none}
  .faq-item summary{padding:18px 16px 18px 16px;font-size:16px}
  .faq-answer{padding:0 16px 20px 16px}
  .footer-grid{grid-template-columns:1fr}
  .hero-visual::before{display:none}
  section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
}
@media (max-width:479px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .metric-card{grid-column:span 12}
  .flow-track .flow-line{display:none}
  .flow-node{width:100%;justify-content:flex-start}
  .flow-track{flex-direction:column;align-items:stretch;gap:10px}
}

/* roulang page: article */
:root{
  --bg:#070A12;
  --bg-2:#0A0F1C;
  --surface:#0F172A;
  --input:#0D1424;
  --brand:#2BE3C0;
  --brand-dim:rgba(43,227,192,.12);
  --brand-line:rgba(43,227,192,.35);
  --gold:#FFB020;
  --violet:#7C5CFF;
  --danger:#FF5A6E;
  --text:#E8EEF7;
  --text-2:#A8B4C7;
  --text-3:#6B7A90;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --radius:14px;
  --radius-lg:18px;
  --radius-pill:999px;
  --shadow:0 20px 40px -20px rgba(0,0,0,.85);
  --shadow-glow:0 0 24px rgba(43,227,192,.12);
  --gap:24px;
  --ease:220ms ease;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 420px at 18% -8%, rgba(43,227,192,.10), transparent 70%),
    radial-gradient(700px 380px at 92% 4%, rgba(124,92,255,.07), transparent 72%),
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  pointer-events:none;
  z-index:0;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{list-style:none}
::selection{background:rgba(43,227,192,.28)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.reading{max-width:760px}
.section{padding:88px 0;position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);background:var(--brand-dim);
  border:1px solid var(--brand-line);border-radius:var(--radius-pill);
  padding:6px 14px;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:30px;font-weight:700;line-height:1.3}
.section-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:660px}
.link-arrow{color:var(--brand);font-size:15px;display:inline-flex;align-items:center;gap:8px;transition:var(--ease)}
.link-arrow i{transition:transform var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}
/* ---------- progress ---------- */
#read-progress{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--brand),var(--gold));z-index:120;box-shadow:0 0 12px rgba(43,227,192,.6)}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,10,18,.55);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:var(--ease);
}
.site-header.scrolled{
  background:rgba(7,10,18,.82);
  backdrop-filter:blur(16px) saturate(130%);
  border-bottom-color:rgba(43,227,192,.18);
  box-shadow:0 12px 30px -22px rgba(0,0,0,.9);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:.02em;white-space:nowrap}
.logo-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:10px;
  display:grid;place-items:center;font-size:14px;color:var(--brand);
  background:linear-gradient(150deg,rgba(43,227,192,.22),rgba(43,227,192,.04));
  border:1px solid var(--brand-line);
  box-shadow:0 0 18px rgba(43,227,192,.18) inset;
}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);transition:var(--ease);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-links a.active{color:var(--brand);text-shadow:0 0 14px rgba(43,227,192,.45)}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;box-shadow:0 0 10px rgba(43,227,192,.7);
}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#FFC550,var(--gold));
  color:#1A1205;
  box-shadow:0 8px 24px rgba(255,176,32,.35);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(255,176,32,.28)}
.btn-ghost{background:transparent;border-color:var(--brand-line);color:var(--brand)}
.btn-ghost:hover{background:rgba(43,227,192,.1);transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-outline:hover{border-color:var(--brand-line);color:var(--brand);background:rgba(43,227,192,.06)}
.btn-sm{padding:10px 18px;font-size:14px}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text);cursor:pointer;
}
/* ---------- hero strip ---------- */
.inner-hero{
  position:relative;padding:52px 0 40px;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(7,10,18,.86),rgba(7,10,18,.96)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.inner-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 260px at 12% 0%, rgba(43,227,192,.14), transparent 70%);
  pointer-events:none;
}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2);transition:var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb li{display:inline-flex;align-items:center;gap:10px}
.breadcrumb .sep{color:var(--text-3);opacity:.6}
.breadcrumb .current{color:var(--text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:clamp(28px,4.4vw,46px);font-weight:700;line-height:1.25;
  max-width:920px;letter-spacing:-.01em;
}
.article-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:22px;font-size:13px;color:var(--text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12px;color:var(--brand);background:var(--brand-dim);
  border:1px solid var(--brand-line);letter-spacing:.02em;
}
/* ---------- layout ---------- */
.article-wrap{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:48px;justify-content:center;align-items:start}
.article-body{font-size:17px;line-height:1.9;color:var(--text);word-break:break-word}
.article-body p{margin:18px 0}
.article-body h2{
  position:relative;font-size:27px;font-weight:700;line-height:1.35;
  margin:44px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),rgba(43,227,192,.15));
  box-shadow:0 0 14px rgba(43,227,192,.45);
}
.article-body h3{font-size:19px;font-weight:600;margin:32px 0 12px;color:var(--text)}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;color:var(--text-2)}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(43,227,192,.35);transition:var(--ease)}
.article-body a:hover{color:#7CF3DC;border-bottom-color:#7CF3DC}
.article-body ul,.article-body ol{margin:18px 0;padding-left:4px}
.article-body ul li{position:relative;padding-left:22px;margin:10px 0}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:13px;width:7px;height:7px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(43,227,192,.6);
}
.article-body ol{counter-reset:item}
.article-body ol li{position:relative;padding-left:30px;margin:10px 0;counter-increment:item}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:5px;
  width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
  font-size:12px;font-weight:700;color:var(--brand);
  background:var(--brand-dim);border:1px solid var(--brand-line);
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;
  background:rgba(43,227,192,.06);color:var(--text-2);
}
.article-body img{border-radius:12px;margin:24px 0;border:1px solid var(--line)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.article-body th{background:rgba(255,255,255,.05);font-weight:600;text-align:left;padding:12px 14px;color:var(--text)}
.article-body td{padding:12px 14px;color:var(--text-2);border-top:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.article-body hr{border:0;height:1px;background:var(--line);margin:36px 0}
.article-body code{background:rgba(255,255,255,.06);padding:2px 7px;border-radius:6px;font-size:15px;color:var(--brand)}
.tip{
  margin:24px 0;padding:16px 18px;border-radius:12px;font-size:15px;line-height:1.85;
  background:rgba(43,227,192,.06);border:1px solid var(--brand-line);color:var(--text-2);
}
.tip strong{color:var(--brand)}
.note{
  margin:24px 0;padding:16px 18px;border-radius:12px;font-size:15px;line-height:1.85;
  background:rgba(255,176,32,.07);border:1px solid rgba(255,176,32,.32);color:#F4D9A6;
}
/* ---------- sidebar ---------- */
.side-col{position:sticky;top:88px;display:grid;gap:20px}
.side-card{
  background:linear-gradient(160deg,rgba(255,255,255,.065),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);padding:20px;position:relative;overflow:hidden;
}
.side-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,227,192,.5),transparent);
}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand);font-size:13px}
.toc-list{display:grid;gap:4px;max-height:320px;overflow:auto}
.toc-list a{
  display:block;font-size:14px;color:var(--text-2);padding:8px 10px;border-radius:8px;
  border-left:2px solid transparent;transition:var(--ease);line-height:1.5;
}
.toc-list a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.toc-list a.current{color:var(--brand);border-left-color:var(--brand);background:rgba(43,227,192,.08)}
.hot-list{display:grid;gap:12px}
.hot-list a{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);line-height:1.6;transition:var(--ease)}
.hot-list a:hover{color:var(--brand);transform:translateX(2px)}
.hot-list .num{
  flex:0 0 22px;height:22px;border-radius:7px;display:grid;place-items:center;
  font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--brand);background:var(--brand-dim);border:1px solid var(--brand-line);
}
/* ---------- related ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;position:relative;
  background:linear-gradient(160deg,rgba(255,255,255,.065),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);transition:var(--ease);
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;z-index:2;
  background:linear-gradient(90deg,transparent,rgba(43,227,192,.5),transparent);
}
.card:hover{transform:translateY(-3px);border-color:rgba(43,227,192,.4);box-shadow:var(--shadow),var(--shadow-glow)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(150deg,#0A0F1C,rgba(43,227,192,.12))}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease}
.card:hover .card-cover img{transform:scale(1.05)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.75}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12px;color:var(--text-3)}
/* ---------- empty ---------- */
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:48px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  border:1px solid var(--line);
}
.empty-state i{font-size:30px;color:var(--brand);opacity:.8}
.empty-state p{color:var(--text-2);font-size:15px}
/* ---------- cta ---------- */
.cta-band{
  border-radius:var(--radius-lg);padding:36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(43,227,192,.12),rgba(124,92,255,.08) 60%,rgba(255,255,255,.02));
  border:1px solid var(--brand-line);
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:24px;font-weight:700;margin-bottom:8px}
.cta-band p{color:var(--text-2);font-size:15px;max-width:620px}
.back-row{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
/* ---------- footer ---------- */
.site-footer{margin-top:40px;position:relative;z-index:1;border-top:1px solid var(--line);background:rgba(7,10,18,.7)}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,227,192,.55),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding:56px 0 40px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.85;margin-top:16px;max-width:360px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{color:var(--text-2);font-size:14px;transition:var(--ease)}
.footer-col a:hover{color:var(--brand);transform:translateX(2px);display:inline-block}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 32px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
#to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:14px;
  display:none;place-items:center;cursor:pointer;z-index:90;
  background:rgba(15,23,42,.9);border:1px solid var(--brand-line);color:var(--brand);
  backdrop-filter:blur(10px);box-shadow:var(--shadow);transition:var(--ease);
}
#to-top.show{display:grid}
#to-top:hover{transform:translateY(-3px);box-shadow:var(--shadow),var(--shadow-glow)}
/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-wrap{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .article-wrap{grid-template-columns:minmax(0,1fr)}
  .side-col{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav-links{
    position:fixed;top:64px;right:0;width:280px;height:calc(100vh - 64px);
    flex-direction:column;align-items:stretch;gap:4px;padding:20px;
    background:rgba(10,15,28,.96);backdrop-filter:blur(18px);
    border-left:1px solid var(--line);transform:translateX(105%);
    transition:transform 260ms ease;overflow:auto;z-index:99;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{padding:14px 12px;font-size:16px;line-height:1.6}
  .nav-links a.active::after{display:none}
  .menu-toggle{display:grid;place-items:center}
  .header-actions .btn-primary{display:none}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .container{padding:0 16px}
  .inner-hero{padding:36px 0 30px}
  .article-body{font-size:16.5px}
  .article-body h2{font-size:22px;margin:34px 0 14px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px}
  .cta-band{padding:26px}
  .cta-band h2{font-size:20px}
  .breadcrumb .current{max-width:220px}
}
@media (max-width:520px){
  .logo span:last-child{font-size:14px}
  .footer-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .cta-band .btn{width:100%}
  #to-top{right:16px;bottom:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --bg:#070A12;
  --bg-2:#0A0F1C;
  --surface:#0F172A;
  --input:#0D1424;
  --brand:#2BE3C0;
  --brand-soft:rgba(43,227,192,.12);
  --gold:#FFB020;
  --violet:#7C5CFF;
  --danger:#FF5A6E;
  --text:#E8EEF7;
  --text-2:#A8B4C7;
  --text-3:#6B7A90;
  --line:rgba(255,255,255,.08);
  --line-brand:rgba(43,227,192,.35);
  --radius-s:10px;
  --radius:14px;
  --radius-l:18px;
  --shadow:0 20px 40px -20px rgba(0,0,0,.85);
  --shadow-brand:0 0 24px rgba(43,227,192,.12);
  --ease:220ms ease;
  --container:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 460px at 18% -8%, rgba(43,227,192,.10), transparent 62%),
    radial-gradient(720px 420px at 88% 4%, rgba(124,92,255,.08), transparent 66%),
    linear-gradient(180deg,#070A12 0%,#070A12 42%,#080C15 100%);
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:#7FF3DC;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.2px;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;box-shadow:0 0 0 4px rgba(43,227,192,.18);}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:2;
}
.section{padding:88px 0;position:relative;z-index:2;}
.section-tight{padding:64px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,2.6vw,31px);}
.section-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);font-weight:600;
}
.eyebrow i{font-size:11px;}

/* ============ 顶栏导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,18,.62);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{
  background:rgba(7,10,18,.86);
  border-bottom-color:rgba(43,227,192,.18);
  box-shadow:0 12px 30px -22px rgba(0,0,0,.95);
}
.header-inner{display:flex;align-items:center;gap:24px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:16px;white-space:nowrap;}
.logo:hover{color:var(--text);}
.logo-mark{
  width:32px;height:32px;flex:0 0 32px;
  display:grid;place-items:center;
  border-radius:9px;
  border:1px solid var(--line-brand);
  background:linear-gradient(150deg,rgba(43,227,192,.20),rgba(43,227,192,.04));
  color:var(--brand);font-size:14px;
  box-shadow:0 0 16px rgba(43,227,192,.16);
}
.logo-text{letter-spacing:.3px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;
  height:64px;padding:0 14px;
  color:var(--text-2);font-size:15px;font-weight:500;
  transition:color var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:14px;height:2px;
  background:linear-gradient(90deg,transparent,var(--brand),transparent);
  opacity:0;transform:scaleX(.4);transition:opacity var(--ease),transform var(--ease);
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{opacity:.55;transform:scaleX(1);}
.nav-links a.active{color:var(--brand);text-shadow:0 0 14px rgba(43,227,192,.45);}
.nav-links a.active::after{opacity:1;transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text);font-size:16px;cursor:pointer;
  transition:border-color var(--ease),background var(--ease);
}
.menu-toggle:hover{border-color:var(--line-brand);background:var(--brand-soft);}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(10,15,28,.96);
  backdrop-filter:blur(18px);
  padding:10px 0 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 24px;color:var(--text-2);font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.045);
}
.mobile-drawer a:hover{background:rgba(255,255,255,.03);color:var(--text);}
.mobile-drawer a.active{color:var(--brand);border-left:2px solid var(--brand);}
.mobile-drawer .drawer-cta{margin:16px 24px 0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn i{font-size:13px;}
.btn-primary{
  background:linear-gradient(135deg,#FFC košík 0%,#FFB020 0%,#FF9F1C 100%);
  background:linear-gradient(135deg,#FFCB5C,#FFB020 55%,#F59E0B);
  color:#1A1206;
  box-shadow:0 8px 24px rgba(255,176,32,.35);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#1A1206;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;border-color:var(--line-brand);color:var(--brand);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px;}
.btn-lg{padding:15px 28px;font-size:16px;border-radius:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;}
.link-arrow i{transition:transform var(--ease);}
.link-arrow:hover i{transform:translateX(3px);}

/* ============ 面包屑 ============ */
.crumb{
  padding:22px 0 0;
  font-size:13px;color:var(--text-3);
}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"›";color:var(--text-3);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb [aria-current="page"]{color:var(--brand);}

/* ============ 分类窄幅 Hero ============ */
.cat-hero{
  position:relative;
  margin-top:18px;
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  box-shadow:var(--shadow);
}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center right;
  opacity:.26;
}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,10,18,.96) 12%,rgba(7,10,18,.78) 48%,rgba(7,10,18,.42) 100%),
             radial-gradient(560px 300px at 82% 20%,rgba(43,227,192,.20),transparent 68%);
}
.cat-hero-inner{position:relative;z-index:2;padding:56px 44px 52px;max-width:780px;}
.cat-hero h1{
  font-size:clamp(28px,4vw,44px);
  margin:16px 0 16px;
  background:linear-gradient(120deg,#FFFFFF 20%,#BDFBEE 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero p.lead{color:var(--text-2);font-size:16.5px;line-height:1.8;max-width:620px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);font-size:13.5px;
  transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.badge i{color:var(--brand);font-size:12px;}
.badge:hover{border-color:var(--line-brand);color:var(--text);transform:translateY(-2px);}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  border:1px solid var(--line-brand);color:var(--brand);background:var(--brand-soft);
}

/* ============ 图文分栏 ============ */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.split h2{font-size:clamp(23px,2.5vw,30px);margin-bottom:18px;}
.split p{color:var(--text-2);font-size:16px;margin-bottom:16px;}
.check-list li{
  display:flex;gap:11px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.07);
  color:var(--text-2);font-size:15.5px;
}
.check-list li:last-child{border-bottom:0;}
.check-list i{color:var(--brand);font-size:13px;margin-top:6px;}
.split-media{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(15,23,42,.9),rgba(7,10,18,.9));
  box-shadow:var(--shadow);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(7,10,18,.72) 100%);
}
.split-media figcaption{
  position:absolute;left:20px;right:20px;bottom:16px;z-index:2;
  font-size:13px;color:var(--text-2);
}

/* ============ 数据小表 ============ */
.table-card{
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.data{width:100%;border-collapse:collapse;min-width:720px;}
table.data caption{
  text-align:left;padding:22px 24px 6px;
  color:var(--text-3);font-size:13px;
}
table.data th,table.data td{
  padding:16px 24px;text-align:left;font-size:15px;
  border:0;border-bottom:1px solid rgba(255,255,255,.06);
}
table.data thead th{
  color:var(--text-3);font-size:12.5px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;
  background:rgba(255,255,255,.03);
}
table.data tbody tr:nth-child(odd){background:rgba(255,255,255,.022);}
table.data tbody tr:hover{background:rgba(43,227,192,.06);}
table.data tbody tr:last-child td{border-bottom:0;}
table.data td:first-child{font-weight:600;color:var(--text);}
table.data td{color:var(--text-2);font-variant-numeric:tabular-nums;}
.cell-ok{color:var(--brand)!important;font-weight:600;}
.cell-warn{color:var(--gold)!important;font-weight:600;}

/* ============ 步骤条 ============ */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  counter-reset:step;
}
.step{
  position:relative;
  padding:26px 20px 22px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.014));
  box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-3px);border-color:rgba(43,227,192,.4);box-shadow:var(--shadow),var(--shadow-brand);}
.step::after{
  content:"";position:absolute;top:44px;right:-22px;width:24px;height:1px;
  background:repeating-linear-gradient(90deg,rgba(43,227,192,.5) 0 5px,transparent 5px 9px);
}
.step:last-child::after{display:none;}
.step-num{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  font-size:14px;font-weight:700;color:var(--brand);
  border:1px solid var(--line-brand);
  background:rgba(43,227,192,.10);
  box-shadow:0 0 18px rgba(43,227,192,.25);
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin:16px 0 8px;}
.step p{color:var(--text-2);font-size:14.5px;}

/* ============ FAQ ============ */
.faq-wrap{
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.014));
  box-shadow:var(--shadow);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid rgba(255,255,255,.07);position:relative;}
.faq-item:last-child{border-bottom:0;}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(43,227,192,0));
  opacity:0;transition:opacity var(--ease);
}
.faq-item[open]::before{opacity:1;}
.faq-item summary{
  cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;
  font-size:16.5px;font-weight:600;color:var(--text);
  transition:color var(--ease),background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);background:rgba(255,255,255,.02);}
.faq-item summary .sign{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--brand);font-size:12px;
  transition:transform var(--ease),border-color var(--ease),background var(--ease);
}
.faq-item[open] summary .sign{transform:rotate(180deg);border-color:var(--line-brand);background:var(--brand-soft);}
.faq-body{padding:0 26px 24px;color:var(--text-2);font-size:15.5px;line-height:1.85;max-width:860px;}

/* ============ CTA 条 ============ */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  padding:36px 40px;border-radius:var(--radius-l);
  border:1px solid var(--line-brand);
  background:linear-gradient(120deg,rgba(43,227,192,.12),rgba(15,23,42,.85) 55%,rgba(124,92,255,.10));
  box-shadow:var(--shadow),var(--shadow-brand);
}
.cta-band h2{font-size:clamp(21px,2.2vw,26px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  border-top:1px solid transparent;
  background:
    linear-gradient(180deg,transparent,rgba(43,227,192,.03)) padding-box,
    var(--bg-2);
  position:relative;z-index:2;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,227,192,.55),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--text-3);font-size:14px;line-height:1.85;max-width:360px;}
.footer-col h4{
  font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.06em;
}
.footer-col ul li{margin-bottom:11px;font-size:14px;color:var(--text-3);}
.footer-col ul li a{color:var(--text-2);}
.footer-col ul li a:hover{color:var(--brand);padding-left:3px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 30px;
  border-top:1px solid rgba(255,255,255,.06);
  color:var(--text-3);font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:100%;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .menu-toggle{display:grid;place-items:center;}
  .header-actions .btn-primary{display:none;}
  .split{grid-template-columns:1fr;gap:34px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px;}
  .cat-hero-inner{padding:44px 30px 40px;}
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .container{padding:0 16px;}
  .cat-hero-inner{padding:34px 20px 34px;}
  .cat-hero h1{font-size:clamp(25px,6vw,32px);}
  .badge{font-size:13px;padding:7px 13px;}
  .steps{grid-template-columns:1fr;gap:14px;}
  .faq-item summary{padding:18px 18px;font-size:15.5px;}
  .faq-body{padding:0 18px 20px;}
  .cta-band{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  table.data th,table.data td{padding:13px 16px;}
}
@media (max-width:479px){
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .logo-text{font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --bg:#070A12;
  --bg-2:#0A0F1C;
  --surface:#0F172A;
  --input:#0D1424;
  --brand:#2BE3C0;
  --brand-soft:rgba(43,227,192,.12);
  --brand-line:rgba(43,227,192,.35);
  --gold:#FFB020;
  --violet:#7C5CFF;
  --danger:#FF5A6E;
  --text:#E8EEF7;
  --text-2:#A8B4C7;
  --text-3:#6B7A90;
  --line:rgba(255,255,255,.08);
  --r-sm:10px;
  --r:14px;
  --r-lg:18px;
  --shadow:0 20px 40px -20px rgba(0,0,0,.85);
  --t:220ms ease;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 460px at 78% -8%, rgba(43,227,192,.10), transparent 62%),
    radial-gradient(620px 380px at 6% 6%, rgba(124,92,255,.07), transparent 60%),
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  background-attachment:fixed,fixed,scroll,scroll;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--t),opacity var(--t);}
a:hover{color:#6cf0d8;}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:0 0 0 4px rgba(43,227,192,.18);border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.mono{font-variant-numeric:tabular-nums;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  border-bottom:1px solid var(--line);
  background:rgba(7,10,18,.55);
  backdrop-filter:blur(10px) saturate(120%);
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{
  background:rgba(7,10,18,.78);
  backdrop-filter:blur(16px) saturate(130%);
  border-bottom-color:rgba(43,227,192,.18);
  box-shadow:0 12px 32px -22px rgba(0,0,0,.9);
}
.header-inner{display:flex;align-items:center;gap:24px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--text);letter-spacing:.2px;white-space:nowrap;}
.logo:hover{color:var(--text);}
.logo-mark{
  width:30px;height:30px;flex:0 0 30px;display:grid;place-items:center;
  border-radius:9px;
  color:var(--brand);font-size:13px;
  border:1px solid var(--brand-line);
  background:linear-gradient(160deg,rgba(43,227,192,.20),rgba(43,227,192,.04));
  box-shadow:0 0 16px rgba(43,227,192,.22);
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;
  font-size:14.5px;color:var(--text-2);border-radius:8px;
  transition:color var(--t),background var(--t);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--brand),transparent);
  opacity:0;transition:opacity var(--t);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-links a.active{color:var(--brand);text-shadow:0 0 14px rgba(43,227,192,.4);}
.nav-links a.active::after{opacity:1;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);
  font-size:16px;
}
.nav-toggle:hover{border-color:var(--brand-line);color:var(--brand);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.2px;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t),filter var(--t);
}
.btn-primary{
  color:#1A1405;
  background:linear-gradient(135deg,#FFC košile 0%,#FFB020 40%,#F09A12 100%);
  background:linear-gradient(135deg,#FFD27A 0%,#FFB020 42%,#F09A12 100%);
  box-shadow:0 8px 24px rgba(255,176,32,.35);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#1A1405;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  color:var(--brand);background:transparent;border-color:var(--brand-line);
}
.btn-ghost:hover{background:rgba(43,227,192,.1);color:#6cf0d8;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- hero (窄版标题带) ---------- */
.page-hero{position:relative;padding:72px 0 56px;overflow:hidden;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(720px 340px at 20% 0%, rgba(43,227,192,.12), transparent 65%);
  pointer-events:none;
}
.breadcrumb{position:relative;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.18);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.page-hero h1{
  position:relative;
  font-size:clamp(28px,4.2vw,44px);
  font-weight:700;letter-spacing:.4px;max-width:900px;
}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{position:relative;margin-top:18px;max-width:720px;font-size:17px;color:var(--text-2);}
.hero-badges{position:relative;display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:13px;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.035);
}
.badge i{color:var(--brand);font-size:12px;}
.badge.gold{border-color:rgba(255,176,32,.35);color:#FFD18A;}
.badge.gold i{color:var(--gold);}
.hero-strip{
  position:relative;margin-top:34px;display:flex;flex-wrap:wrap;gap:28px;
  padding:16px 22px;border-radius:var(--r);
  border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  box-shadow:var(--shadow);
}
.hero-strip div{display:flex;flex-direction:column;gap:2px;min-width:120px;}
.hero-strip b{font-size:20px;color:var(--text);font-variant-numeric:tabular-nums;}
.hero-strip span{font-size:12.5px;color:var(--text-3);letter-spacing:.5px;}

/* ---------- sections ---------- */
.section{padding:80px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(23px,3vw,31px);}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1.6px;
  text-transform:uppercase;color:var(--brand);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);opacity:.7;}

/* ---------- timeline ---------- */
.timeline{position:relative;}
.timeline::before{
  content:"";position:absolute;left:50%;top:8px;bottom:8px;width:1px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(43,227,192,.5),rgba(43,227,192,.14) 55%,transparent);
}
.tl-item{display:grid;grid-template-columns:1fr 66px 1fr;align-items:start;margin-bottom:26px;}
.tl-node{
  grid-column:2;justify-self:center;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--brand);background:var(--bg-2);
  border:1px solid var(--brand-line);box-shadow:0 0 22px rgba(43,227,192,.22);
}
.tl-card{
  padding:22px 24px;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(255,255,255,.065),rgba(255,255,255,.02));
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
  position:relative;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.tl-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:linear-gradient(90deg,transparent,rgba(43,227,192,.6),transparent);
}
.tl-card:hover{transform:translateY(-3px);border-color:rgba(43,227,192,.4);box-shadow:var(--shadow),0 0 24px rgba(43,227,192,.12);}
.tl-card h3{font-size:19px;margin-bottom:10px;}
.tl-card p{color:var(--text-2);font-size:15px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tl-meta span{
  font-size:12.5px;color:var(--text-3);border:1px solid var(--line);
  padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.03);
}
.tl-item:nth-child(odd) .tl-card{grid-column:1;}
.tl-item:nth-child(even) .tl-card{grid-column:3;}
.tl-item:nth-child(odd) .tl-card{text-align:right;}
.tl-item:nth-child(even) .tl-card{text-align:left;}
.tl-item:nth-child(odd) .tl-meta{justify-content:flex-end;}

/* ---------- uneven grid ---------- */
.uneven{display:grid;grid-template-columns:1.15fr 1fr;gap:22px;}
.uneven .card{display:flex;flex-direction:column;}
.card{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(255,255,255,.065),rgba(255,255,255,.02));
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
  overflow:hidden;
  position:relative;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,227,192,.6),transparent);
}
.card:hover{transform:translateY(-3px);border-color:rgba(43,227,192,.4);box-shadow:var(--shadow),0 0 24px rgba(43,227,192,.12);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;opacity:.86;transition:transform 420ms ease,opacity var(--t);}
.card:hover .card-media img{transform:scale(1.04);opacity:.95;}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,18,.05),rgba(7,10,18,.72));
}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:19px;}
.card-body p{font-size:15px;color:var(--text-2);}
.card-tall{grid-row:span 2;}
.card-tall .card-media{aspect-ratio:4/3;}
.mini-list{display:flex;flex-direction:column;gap:10px;margin-top:4px;}
.mini-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);}
.mini-list li i{color:var(--brand);margin-top:5px;font-size:11px;}
.mini-list li i.warn{color:var(--danger);}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;
  padding:4px 11px;border-radius:999px;
  color:var(--brand);background:var(--brand-soft);border:1px solid var(--brand-line);
}
.tag.warn{color:#FFB9C3;background:rgba(255,90,110,.12);border-color:rgba(255,90,110,.35);}

/* ---------- alert box ---------- */
.alert{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  border-left:3px solid var(--danger);
  background:linear-gradient(160deg,rgba(255,90,110,.08),rgba(255,255,255,.02));
  padding:26px 28px;
  box-shadow:var(--shadow);
}
.alert h3{font-size:19px;display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.alert h3 i{color:var(--danger);}
.alert ul{display:grid;gap:12px;}
.alert li{display:flex;gap:10px;font-size:15px;color:var(--text-2);}
.alert li i{color:var(--danger);margin-top:5px;font-size:11px;}

/* ---------- faq ---------- */
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);position:relative;transition:background var(--t);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 44px 20px 18px;
  font-size:16.5px;font-weight:600;color:var(--text);position:relative;
  transition:color var(--t),background var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--brand);transition:transform var(--t),opacity var(--t);
}
.faq-item[open] summary::after{content:"–";transform:translateY(-50%) rotate(180deg);}
.faq-item summary:hover{color:var(--brand);background:rgba(255,255,255,.025);}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),rgba(43,227,192,.2));
  box-shadow:0 0 12px rgba(43,227,192,.5);
}
.faq-body{padding:0 44px 22px 18px;font-size:15.5px;line-height:1.85;color:var(--text-2);}
.faq-body p+p{margin-top:10px;}

/* ---------- two column long form ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:40px;align-items:start;}
.prose h2{font-size:clamp(21px,2.6vw,27px);margin-bottom:18px;}
.prose h3{font-size:18px;margin:26px 0 10px;}
.prose p{font-size:16.5px;line-height:1.9;color:var(--text-2);}
.prose p+p{margin-top:14px;}
.prose ul{display:grid;gap:10px;margin-top:14px;}
.prose ul li{display:flex;gap:10px;font-size:16px;color:var(--text-2);line-height:1.8;}
.prose ul li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--brand);margin-top:10px;flex:0 0 6px;box-shadow:0 0 10px rgba(43,227,192,.5);}
.side-panel{
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(255,255,255,.065),rgba(255,255,255,.02));
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);padding:24px;position:sticky;top:88px;
}
.side-panel h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:9px;}
.side-panel h3 i{color:var(--brand);}
.entry-list{display:flex;flex-direction:column;gap:6px;}
.entry-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 14px;border-radius:var(--r-sm);
  font-size:14.8px;color:var(--text-2);
  border:1px solid transparent;background:rgba(255,255,255,.03);
  transition:transform var(--t),color var(--t),border-color var(--t),background var(--t);
}
.entry-list a i{color:var(--brand);font-size:12px;transition:transform var(--t);}
.entry-list a:hover{transform:translateX(3px);color:var(--text);border-color:var(--brand-line);background:rgba(43,227,192,.08);}
.entry-list a:hover i{transform:translateX(3px);}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-lg);
  border:1px solid var(--brand-line);
  background:
    radial-gradient(560px 220px at 88% 20%, rgba(43,227,192,.16), transparent 68%),
    linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(20px,2.6vw,26px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:40px;
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(43,227,192,.55),transparent) 1;
  background:linear-gradient(180deg,rgba(10,15,28,.6),rgba(7,10,18,.95));
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:340px;line-height:1.8;}
.footer-col h4{font-size:14.5px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a,.footer-col li span{font-size:14px;color:var(--text-3);}
.footer-col li a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:100%;}
}
@media (max-width:1023px){
  .nav-links{
    position:absolute;top:64px;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    padding:14px 20px 20px;
    background:rgba(10,15,28,.97);
    backdrop-filter:blur(18px) saturate(130%);
    border-bottom:1px solid rgba(43,227,192,.18);
    box-shadow:0 24px 40px -24px rgba(0,0,0,.95);
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:14px 12px;font-size:15.5px;border-radius:10px;}
  .nav-links a::after{display:none;}
  .nav-links a.active{background:rgba(43,227,192,.1);}
  .nav-toggle{display:inline-grid;place-items:center;}
  .header-actions .btn-primary{display:none;}
  .tl-item{grid-template-columns:48px 1fr;gap:14px;margin-bottom:20px;}
  .timeline::before{left:23px;transform:none;}
  .tl-node{grid-column:1;grid-row:1;justify-self:start;}
  .tl-item:nth-child(odd) .tl-card,
  .tl-item:nth-child(even) .tl-card{grid-column:2;grid-row:1;text-align:left;}
  .tl-item:nth-child(odd) .tl-meta{justify-content:flex-start;}
  .uneven{grid-template-columns:1fr;}
  .card-tall{grid-row:auto;}
  .card-tall .card-media{aspect-ratio:16/9;}
  .split{grid-template-columns:1fr;gap:28px;}
  .side-panel{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .page-hero{padding:52px 0 44px;}
  .hero-lead{font-size:16px;}
  .hero-strip{gap:20px;padding:14px 18px;}
  .hero-strip div{min-width:calc(50% - 10px);}
  .cta-band{padding:26px 22px;}
  .faq-item summary{font-size:15.6px;padding:18px 40px 18px 16px;}
  .faq-body{padding:0 24px 20px 16px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .page-hero h1{font-size:clamp(26px,7vw,32px);}
  .header-inner{gap:12px;}
  .logo{font-size:14.5px;}
  .logo-mark{width:28px;height:28px;flex:0 0 28px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .card-body{padding:18px 18px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}