/* roulang page: index */
:root{
  --bg:#060A12;
  --bg-2:#080D16;
  --bg-3:#0B121C;
  --panel:#0E1622;
  --glass:rgba(255,255,255,.06);
  --line:rgba(0,229,168,.18);
  --line-2:rgba(0,229,168,.45);
  --primary:#00E5A8;
  --primary-deep:#00B383;
  --glow:#7CFFC4;
  --accent:#FF6B35;
  --ok:#22E6A8;
  --warn:#FFB020;
  --danger:#FF3B5C;
  --disabled:#3A4553;
  --text:#E9F1F7;
  --text-2:#93A3B5;
  --text-3:#5A6774;
  --r-lg:18px;
  --r-md:12px;
  --r-pill:999px;
  --sh-static:0 2px 12px rgba(0,0,0,.45);
  --sh-hover:0 8px 28px rgba(0,229,168,.18);
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::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:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .16s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:650;letter-spacing:-.01em}
p{margin:0}
time{font-variant-numeric:tabular-nums}
::selection{background:rgba(0,229,168,.3);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#070C14}
::-webkit-scrollbar-thumb{background:rgba(0,229,168,.24);border-radius:20px;border:2px solid #070C14}
::-webkit-scrollbar-thumb:hover{background:rgba(0,229,168,.42)}

.container{width:100%;max-width:1304px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:64px;display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease,backdrop-filter .28s ease;
}
.site-header.scrolled{
  background:rgba(8,13,22,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:rgba(0,229,168,.16);
}
.nav-wrap{display:flex;align-items:center;gap:16px;width:100%}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04140F;
  box-shadow:0 0 0 1px rgba(0,229,168,.3),0 4px 16px rgba(0,229,168,.24);
  flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-weight:700;font-size:17px;letter-spacing:.2px;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:color .16s ease,background .16s ease,box-shadow .16s ease;
}
.nav-link:hover{color:var(--primary);background:rgba(0,229,168,.08)}
.nav-link.active{
  color:var(--primary);background:rgba(0,229,168,.12);
  box-shadow:inset 0 0 0 1px rgba(0,229,168,.28);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{
  position:relative;display:flex;align-items:center;gap:8px;
  height:38px;padding:0 10px 0 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.command-search:hover{background:rgba(255,255,255,.07)}
.command-search:focus-within{
  border-color:rgba(0,229,168,.72);
  box-shadow:0 0 0 4px rgba(0,229,168,.14);
  background:rgba(0,229,168,.05);
}
.command-search svg{width:15px;height:15px;color:var(--text-3);flex:0 0 auto}
.command-search input{
  width:148px;background:none;border:0;outline:none;
  font-size:13.5px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-3)}
.kbd{
  font-family:var(--mono);font-size:11px;padding:2px 6px;border-radius:6px;
  background:rgba(255,255,255,.07);color:var(--text-3);
  border:1px solid rgba(255,255,255,.09);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);font-weight:600;font-size:14.5px;
  padding:0 18px;height:40px;white-space:nowrap;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,
             border-color .16s ease,filter .16s ease,color .16s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#00E5A8,#00B383);
  color:#04140F;font-weight:700;
  box-shadow:0 0 0 1px rgba(0,229,168,.3),0 4px 18px rgba(0,229,168,.22);
}
.btn-primary:hover{
  transform:translateY(-1px);filter:brightness(1.08);
  box-shadow:0 0 0 6px rgba(0,229,168,.16),0 10px 26px rgba(0,229,168,.3);
}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(0,229,168,.3);color:var(--text);
}
.btn-secondary:hover{border-color:rgba(0,229,168,.72);background:rgba(0,229,168,.08)}
.btn-ghost{background:transparent;color:var(--text-2);padding:0 14px;height:40px}
.btn-ghost:hover{color:var(--primary)}
.btn-ghost svg,.link-ghost svg{transition:transform .18s ease}
.btn-ghost:hover svg,.link-ghost:hover svg{transform:translateX(4px)}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.hamburger{
  display:none;width:44px;height:44px;flex:0 0 auto;
  flex-direction:column;gap:5px;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.05);
  border-radius:var(--r-md);
}
.hamburger span{width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-drawer-cta{display:none}

/* ---------- hero ---------- */
.hero{position:relative;padding:132px 0 76px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background:
    radial-gradient(920px 540px at 80% -10%,rgba(0,229,168,.17),transparent 66%),
    radial-gradient(720px 480px at 2% 26%,rgba(255,107,53,.10),transparent 70%),
    linear-gradient(180deg,#060A12 0%,#08111C 58%,#060A12 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(0,229,168,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,229,168,.055) 1px,transparent 1px);
  background-size:58px 58px;
  mask-image:radial-gradient(circle at 52% 26%,#000 0%,transparent 74%);
  -webkit-mask-image:radial-gradient(circle at 52% 26%,#000 0%,transparent 74%);
}
.hero-grid{display:grid;grid-template-columns:58fr 42fr;gap:44px;align-items:start}
.media-frame{
  position:relative;border-radius:20px;overflow:hidden;
  aspect-ratio:16/9;background:var(--panel);
  border:1px solid rgba(0,229,168,.2);
  box-shadow:0 14px 44px rgba(0,0,0,.58);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.18) 0%,rgba(6,10,18,.42) 46%,rgba(6,10,18,.82) 100%);
}
.badge{
  position:absolute;top:14px;left:14px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(10,16,26,.72);
  border:1px solid rgba(255,107,53,.5);
  color:#FFD8C6;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--danger);animation:pulse 1.6s infinite}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(255,59,92,.55);opacity:1}
  50%{box-shadow:0 0 0 7px rgba(255,59,92,0);opacity:.68}
}
.play-btn{
  position:absolute;right:16px;bottom:16px;z-index:2;
  width:52px;height:52px;border-radius:50%;
  border:1px solid rgba(0,229,168,.5);
  background:rgba(8,13,22,.62);color:var(--primary);
  display:grid;place-items:center;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.play-btn svg{width:18px;height:18px;margin-left:2px}
.play-btn:hover{background:rgba(0,229,168,.18);box-shadow:0 0 0 6px rgba(0,229,168,.14);transform:scale(1.06)}
.media-caption{
  margin-top:14px;display:flex;flex-wrap:wrap;gap:10px 18px;
  font-size:13px;color:var(--text-3);
}
.media-caption span{display:inline-flex;align-items:center;gap:7px}
.tick{width:5px;height:5px;border-radius:50%;background:var(--primary);flex:0 0 auto}

.kickoff{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-2);
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,107,53,.32);
  background:rgba(255,107,53,.07);
}
.kickoff b{color:var(--accent);font-weight:600;font-variant-numeric:tabular-nums}
.countdown{display:flex;gap:10px;margin:18px 0 22px}
.cd-block{
  flex:1;min-width:0;
  background:var(--glass);border:1px solid var(--line);
  border-radius:14px;padding:10px 6px;text-align:center;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.cd-num{
  display:block;font-family:var(--mono);
  font-size:clamp(20px,2.3vw,28px);font-weight:700;
  line-height:1.2;color:var(--glow);
  font-variant-numeric:tabular-nums;
  text-shadow:0 0 18px rgba(0,229,168,.45);
}
.cd-lab{font-size:11.5px;color:var(--text-3);letter-spacing:.1em}
.hero h1{
  font-size:clamp(26px,2.9vw,37px);
  font-weight:700;line-height:1.3;letter-spacing:-.02em;
}
.hero-sub{
  margin-top:14px;font-size:15.5px;color:var(--text-2);line-height:1.7;
}
.hero-points{margin-top:22px;display:grid;gap:11px}
.hero-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:var(--text-2);line-height:1.65;
}
.pt-idx{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;
  display:grid;place-items:center;
  font-family:var(--mono);font-size:11.5px;font-weight:700;
  color:var(--primary);
  background:rgba(0,229,168,.1);
  border:1px solid rgba(0,229,168,.26);
  margin-top:1px;
}
.remind-form{margin-top:26px;display:grid;gap:10px}
.remind-row{display:flex;gap:10px}
.remind-row input{
  flex:1;min-width:0;height:48px;padding:0 16px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  outline:none;font-size:14.5px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.remind-row input::placeholder{color:var(--text-3)}
.remind-row input:focus{
  border-color:rgba(0,229,168,.72);
  background:rgba(0,229,168,.05);
  box-shadow:0 0 0 4px rgba(0,229,168,.14);
}
.remind-row .btn{height:48px;padding:0 22px}
.form-note{font-size:12.5px;color:var(--text-3)}
.form-status{
  display:none;align-items:center;gap:8px;
  font-size:13px;padding:10px 14px;border-radius:10px;
}
.form-status.show{display:flex}
.form-status.ok{background:rgba(34,230,168,.1);border:1px solid rgba(34,230,168,.4);color:var(--ok)}
.form-status.err{background:rgba(255,59,92,.1);border:1px solid rgba(255,59,92,.42);color:#FF8FA3}
.link-ghost{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:14px;color:var(--primary);
}
.link-ghost:hover{color:var(--glow);text-decoration:underline;text-underline-offset:4px}

/* ---------- live strip ---------- */
.strip-bar{
  border-top:1px solid rgba(255,255,255,.07);
  border-bottom:1px solid rgba(255,255,255,.07);
  background:linear-gradient(90deg,rgba(0,229,168,.06),rgba(255,107,53,.04) 60%,transparent);
}
.strip-inner{
  display:flex;align-items:center;gap:18px;
  padding:18px 0;flex-wrap:wrap;
}
.strip-name{font-size:15px;font-weight:600}
.strip-time{font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums}
.strip-link{
  margin-left:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--primary);font-weight:600;
}
.strip-link svg{transition:transform .18s ease}
.strip-link:hover svg{transform:translateX(4px)}

/* ---------- section base ---------- */
.section{padding:96px 0}
.section.alt{background:linear-gradient(180deg,#060A12 0%,#0B121C 40%,#060A12 100%)}
.section-head{max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;color:var(--primary);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:rgba(0,229,168,.6)}
.section-head h2{font-size:clamp(23px,2.5vw,33px);font-weight:650;line-height:1.32}
.section-head p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.8}

/* ---------- timeline ---------- */
.timeline{display:grid;margin-top:32px;border-top:1px solid rgba(255,255,255,.08)}
.tl-item{
  display:grid;grid-template-columns:96px 1fr 210px;gap:28px;align-items:center;
  padding:26px 20px;border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .22s ease,padding-left .22s ease;
}
.tl-item:hover{background:rgba(0,229,168,.045);padding-left:30px}
.tl-num{
  font-family:var(--mono);font-size:38px;font-weight:700;line-height:1;
  color:rgba(0,229,168,.34);font-variant-numeric:tabular-nums;
}
.tl-title{font-size:17.5px;font-weight:600;margin-bottom:6px}
.tl-desc{font-size:14px;color:var(--text-2);line-height:1.72}
.tl-tag{
  justify-self:end;font-size:12.5px;color:var(--accent);
  border:1px solid rgba(255,107,53,.4);background:rgba(255,107,53,.07);
  border-radius:var(--r-pill);padding:5px 14px;white-space:nowrap;
}

/* ---------- news grid ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-static);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-2px);border-color:var(--line-2);box-shadow:var(--sh-hover)}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--panel)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{
  font-size:16.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--primary)}
.news-excerpt{
  font-size:14px;color:var(--text-2);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:12.5px;color:var(--text-3);
}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;
  background:rgba(0,229,168,.1);color:var(--primary);
  border:1px solid rgba(0,229,168,.22);white-space:nowrap;
}
.empty-state{
  margin-top:32px;padding:48px 24px;text-align:center;
  border:1px dashed rgba(0,229,168,.28);border-radius:var(--r-lg);
  background:rgba(255,255,255,.03);
}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:18px}

/* ---------- stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.stat{padding:34px 22px;text-align:center;border-right:1px solid rgba(255,255,255,.08)}
.stat:last-child{border-right:0}
.stat-num{
  font-family:var(--mono);font-weight:700;font-variant-numeric:tabular-nums;
  font-size:clamp(25px,2.9vw,38px);line-height:1.1;
  color:var(--glow);text-shadow:0 0 22px rgba(0,229,168,.32);
}
.stat-num small{font-size:.55em;color:var(--text-2);margin-left:2px;text-shadow:none}
.stat-lab{margin-top:8px;font-size:13px;color:var(--text-3)}

/* ---------- faq ---------- */
.faq-list{margin-top:32px;display:grid;gap:12px}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:16px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.open{
  border-color:rgba(0,229,168,.5);
  box-shadow:inset 3px 0 0 var(--primary),0 8px 24px rgba(0,229,168,.12);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;
  color:var(--text);transition:color .18s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{flex:0 0 auto;color:var(--primary);transition:transform .26s ease}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.open .faq-a{max-height:320px}
.faq-a p{padding:0 20px 20px;font-size:14.5px;color:var(--text-2);line-height:1.82}

/* ---------- cta ---------- */
.cta-band{padding:0 0 96px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:24px;
  border:1px solid rgba(0,229,168,.24);
  background:linear-gradient(135deg,rgba(0,229,168,.15),rgba(255,107,53,.07) 58%,rgba(255,255,255,.04));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:48px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
}
.cta-inner::before{
  content:"";position:absolute;inset:auto -80px -140px auto;width:360px;height:360px;
  border-radius:50%;background:radial-gradient(circle,rgba(0,229,168,.24),transparent 68%);
  pointer-events:none;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,31px);line-height:1.34}
.cta-inner p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.cta-inner .remind-row input{background:rgba(8,13,22,.5)}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--bg-2);
  border-top:1px solid rgba(0,229,168,.2);
  padding-top:4px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(0,229,168,.6),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:40px;padding:56px 0 36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:13.5px;color:var(--text-3);line-height:1.8;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:13.5px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.footer-contact li{font-size:13.5px;color:var(--text-2);display:flex;gap:8px;align-items:flex-start;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);
  padding:20px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}
.footer-legal{display:flex;gap:18px;flex-wrap:wrap}
.footer-arc{
  height:3px;margin-top:2px;
  background:linear-gradient(90deg,transparent,rgba(0,229,168,.45) 24%,rgba(255,107,53,.35) 76%,transparent);
  border-radius:999px;
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{padding:0 26px}
  .command-search input{width:120px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px}
  .footer-contact{grid-column:1 / -1}
}
@media (max-width:992px){
  .container{padding:0 24px}
  .hero{padding:112px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .section{padding:72px 0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}
  .stat:nth-child(odd){border-right:1px solid rgba(255,255,255,.08)}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:36px}
  .tl-item{grid-template-columns:72px 1fr;gap:20px}
  .tl-tag{grid-column:2;justify-self:start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hamburger{display:flex}
  .nav-right .command-search,.nav-right .nav-quick{display:none}
  .nav-main{
    position:fixed;top:0;right:0;height:100vh;width:min(330px,86vw);
    flex-direction:column;align-items:stretch;gap:6px;
    margin-left:0;padding:88px 22px 26px;
    background:rgba(11,18,28,.94);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border-left:1px solid rgba(0,229,168,.2);
    transform:translateX(105%);
    transition:transform .3s cubic-bezier(.4,0,.2,1);
    z-index:70;overflow-y:auto;
  }
  .nav-main.nav-open{transform:translateX(0)}
  .nav-link{height:44px;display:flex;align-items:center;padding:0 16px;border-radius:12px;font-size:15px}
  .nav-link.active{background:rgba(0,229,168,.14)}
  .nav-drawer-cta{display:inline-flex;margin-top:auto;width:100%;height:48px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .site-header{height:56px}
  .brand-text{font-size:15.5px}
  .hero{padding:96px 0 48px}
  .hero-grid{gap:28px}
  .cd-block{padding:8px 4px;border-radius:12px}
  .cd-num{font-size:19px}
  .cd-lab{font-size:10.5px}
  .remind-row{flex-direction:column}
  .remind-row .btn{width:100%}
  .section{padding:56px 0}
  .news-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{padding:24px 14px}
  .tl-item{grid-template-columns:1fr;gap:10px;padding:22px 16px}
  .tl-num{font-size:30px}
  .tl-tag{grid-column:1}
  .cta-band{padding-bottom:56px}
  .cta-inner{padding:28px 22px;border-radius:20px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px}
  .footer-contact{grid-column:auto}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .strip-link{margin-left:0;width:100%}
}
@media (max-width:480px){
  .hero h1{font-size:25px}
  .media-frame{border-radius:16px}
  .play-btn{width:46px;height:46px;right:12px;bottom:12px}
  .badge{top:10px;left:10px;height:26px;font-size:12px;padding:0 10px}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0 !important;border-bottom:1px solid rgba(255,255,255,.08)}
  .stat:last-child{border-bottom:0}
  .section-head h2{font-size:22px}
}

/* roulang page: category1 */
:root{
  --bg:#060A12;
  --bg-2:#080D16;
  --panel:#0E1622;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.04);
  --line:rgba(0,229,168,.18);
  --line-strong:rgba(0,229,168,.45);
  --line-soft:rgba(255,255,255,.08);
  --brand:#00E5A8;
  --brand-deep:#00B383;
  --brand-glow:#7CFFC4;
  --accent:#FF6B35;
  --ok:#22E6A8;
  --warn:#FFB020;
  --live:#FF3B5C;
  --text:#E9F1F7;
  --text-2:#93A3B5;
  --text-3:#5A6774;
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-static:0 2px 12px rgba(0,0,0,.45);
  --sh-hover:0 8px 28px rgba(0,229,168,.18);
  --max:1240px;
  --sp-sec:96px;
}
*,*::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:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(0,229,168,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,168,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .16s ease,opacity .16s ease;}
a:hover{color:var(--brand);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(0,229,168,.28);color:#fff;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px;position:relative;z-index:1;}
.sec{padding:var(--sp-sec) 0;position:relative;}
.sec-alt{background:linear-gradient(180deg,rgba(14,22,34,0) 0%,rgba(14,22,34,.75) 18%,rgba(14,22,34,.75) 82%,rgba(14,22,34,0) 100%);}
.sec-head{max-width:760px;margin-bottom:32px;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.sec-kicker::before{content:"";width:22px;height:1px;background:var(--brand);display:inline-block;}
.sec-title{font-size:clamp(24px,2.6vw,34px);font-weight:650;letter-spacing:-.01em;line-height:1.3;}
.sec-sub{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.85;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .16s ease,filter .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#00E5A8 0%,#00B383 100%);
  color:#04140F;font-weight:700;box-shadow:0 2px 12px rgba(0,0,0,.45);
}
.btn-primary:hover{color:#04140F;transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 0 0 6px rgba(0,229,168,.16),0 8px 28px rgba(0,229,168,.24);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{
  background:var(--glass);border:1px solid rgba(0,229,168,.3);color:var(--text);
}
.btn-outline:hover{border-color:rgba(0,229,168,.7);color:var(--brand);box-shadow:var(--sh-hover);}
.btn-ghost{color:var(--text-2);padding:0 10px;}
.btn-ghost::after{content:"→";margin-left:6px;transition:transform .2s ease;display:inline-block;}
.btn-ghost:hover{color:var(--brand);}
.btn-ghost:hover::after{transform:translateX(4px);}
.btn:disabled,.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  background:rgba(8,13,22,.78);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(0,229,168,.16);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:15.5px;letter-spacing:.01em;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(0,229,168,.22),rgba(0,229,168,.05));
  border:1px solid var(--line);color:var(--brand);
}
.brand-mark svg{width:17px;height:17px;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--text-2);transition:.16s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(0,229,168,.08);}
.nav-link.active{color:var(--brand);background:rgba(0,229,168,.12);box-shadow:inset 0 0 0 1px rgba(0,229,168,.24);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.command-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 10px 0 12px;
  border-radius:var(--r-pill);background:var(--glass-2);
  border:1px solid var(--line-soft);min-width:230px;transition:.2s ease;
}
.command-search svg{width:15px;height:15px;color:var(--text-3);flex:none;}
.command-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;font-size:13.5px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-3);}
.command-search:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 4px rgba(0,229,168,.14);}
.kbd{
  font-size:11px;color:var(--text-3);border:1px solid var(--line-soft);
  border-radius:6px;padding:1px 6px;line-height:1.5;
}
.nav-drawer-cta{display:none;}
.hamburger{display:none;width:44px;height:44px;border-radius:12px;place-items:center;gap:0;border:1px solid var(--line-soft);background:var(--glass-2);}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);margin:2.5px auto;border-radius:2px;transition:.2s ease;}
.hamburger.is-open span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

/* ---------- breadcrumb ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--text-3);opacity:.6;}
.breadcrumb [aria-current]{color:var(--brand);}

/* ---------- hero ---------- */
.hero-cat{
  position:relative;overflow:hidden;
  padding:40px 0 88px;
  border-bottom:1px solid var(--line-soft);
}
.hero-bg{
  position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;opacity:.30;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1100px 520px at 18% 8%,rgba(0,229,168,.18),transparent 62%),linear-gradient(180deg,rgba(6,10,18,.72) 0%,rgba(6,10,18,.94) 72%,var(--bg) 100%);
}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,0.92fr);
  gap:56px;align-items:center;margin-top:28px;
}
.hero-copy h1{
  font-size:clamp(30px,4.2vw,52px);font-weight:700;line-height:1.18;letter-spacing:-.02em;
  margin:18px 0 16px;
}
.hero-copy h1 em{font-style:normal;color:var(--brand);}
.hero-sub{color:var(--text-2);font-size:17px;max-width:44ch;line-height:1.8;}
.hero-points{margin:26px 0 30px;display:grid;gap:10px;}
.hero-points li{display:flex;gap:10px;font-size:15px;color:var(--text-2);}
.hero-points li::before{
  content:"";flex:none;width:7px;height:7px;border-radius:50%;margin-top:9px;
  background:var(--brand);box-shadow:0 0 10px rgba(0,229,168,.7);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-static);}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,18,0) 40%,rgba(6,10,18,.82) 100%);}
.hero-visual-cap{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--text-2);
}
.hero-visual-cap strong{color:var(--text);font-weight:650;font-size:14.5px;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;letter-spacing:.02em;
  background:var(--glass);border:1px solid var(--line);color:var(--brand);
}
.badge-accent{border-color:rgba(255,107,53,.45);color:var(--accent);}
.badge-live{border-color:rgba(255,59,92,.45);color:#FFD5DD;}
.dot{width:7px;height:7px;border-radius:50%;background:var(--live);box-shadow:0 0 0 0 rgba(255,59,92,.6);animation:pulse 1.6s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,59,92,.55);}
  70%{box-shadow:0 0 0 10px rgba(255,59,92,0);}
  100%{box-shadow:0 0 0 0 rgba(255,59,92,0);}
}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.chip{
  font-size:13px;color:var(--text-2);padding:6px 13px;border-radius:var(--r-pill);
  background:var(--glass-2);border:1px solid var(--line-soft);
}
.chip:hover{border-color:var(--line-strong);color:var(--brand);}

/* ---------- zigzag + rail ---------- */
.zz-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start;}
.zz-rows{display:grid;gap:56px;}
.zz-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;align-items:center;}
.zz-row.reverse .zz-media{order:2;}
.zz-media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-soft);
  background:var(--panel);box-shadow:var(--sh-static);transition:.25s ease;
}
.zz-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease;}
.zz-row:hover .zz-media{border-color:var(--line-strong);box-shadow:var(--sh-hover);transform:translateY(-2px);}
.zz-row:hover .zz-media img{transform:scale(1.03);}
.zz-body h3{font-size:20px;font-weight:600;margin-bottom:12px;}
.zz-body p{color:var(--text-2);font-size:15.5px;line-height:1.85;margin-bottom:16px;}
.zz-list{display:grid;gap:10px;}
.zz-list li{
  display:flex;gap:10px;font-size:14.8px;color:var(--text-2);
  padding:9px 12px;border-radius:10px;background:var(--glass-2);border:1px solid rgba(255,255,255,.05);
  transition:.18s ease;
}
.zz-list li:hover{background:rgba(255,255,255,.07);border-color:var(--line);color:var(--text);}
.zz-num{
  flex:none;font-variant-numeric:tabular-nums;font-weight:700;color:var(--brand);
  font-size:13.5px;min-width:22px;
}
.rail{
  position:sticky;top:96px;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(0,229,168,.07),rgba(255,255,255,.03));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:26px 24px;box-shadow:var(--sh-static);
}
.rail h3{font-size:14px;letter-spacing:.12em;color:var(--brand);text-transform:uppercase;margin-bottom:18px;}
.rail-list{display:grid;gap:0;}
.rail-list li{
  display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.09);
  font-size:14.5px;color:var(--text-2);line-height:1.7;
}
.rail-list li:last-child{border-bottom:0;}
.rail-list li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:9px;box-shadow:0 0 8px rgba(0,229,168,.6);}
.rail-foot{margin-top:20px;padding-top:18px;border-top:1px solid var(--line-soft);}
.rail-foot .btn{width:100%;}
.rail-note{margin-top:10px;font-size:12.5px;color:var(--text-3);text-align:center;}

/* ---------- timeline ---------- */
.tl{display:grid;gap:0;margin-top:8px;}
.tl-item{display:grid;grid-template-columns:96px minmax(0,1fr);gap:24px;padding:22px 0;border-bottom:1px solid var(--line-soft);}
.tl-item:last-child{border-bottom:0;}
.tl-time{
  font-variant-numeric:tabular-nums;font-weight:700;font-size:20px;color:var(--brand);
  letter-spacing:.02em;line-height:1.4;
}
.tl-time span{display:block;font-size:12px;color:var(--text-3);font-weight:400;letter-spacing:.08em;margin-top:2px;}
.tl-body h4{font-size:16.5px;font-weight:600;margin-bottom:6px;}
.tl-body p{color:var(--text-2);font-size:14.8px;line-height:1.8;}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border:1px solid var(--line-soft);border-radius:14px;background:var(--glass-2);
  overflow:hidden;transition:.22s ease;
}
.faq-item[open]{border-color:var(--line);border-left:3px solid var(--brand);background:rgba(0,229,168,.05);box-shadow:0 8px 28px rgba(0,229,168,.10);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";flex:none;width:9px;height:9px;border-right:2px solid var(--text-2);border-bottom:2px solid var(--text-2);
  transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--brand);}
.faq-item p{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid var(--line);padding:56px 48px;
  background:linear-gradient(120deg,rgba(0,229,168,.16),rgba(14,22,34,.9) 58%),
             url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  box-shadow:var(--sh-static);
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px;align-items:center;}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:650;line-height:1.35;}
.cta-band p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:46ch;}
.subscribe-form{display:grid;gap:12px;}
.field{display:flex;gap:10px;flex-wrap:wrap;}
.field input{
  flex:1;min-width:200px;height:48px;padding:0 16px;border-radius:var(--r-btn);
  background:rgba(6,10,18,.55);border:1px solid var(--line-soft);color:var(--text);outline:none;
  transition:.2s ease;
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{border-color:var(--line-strong);box-shadow:0 0 0 4px rgba(0,229,168,.15);}
.field input.is-error{border-color:var(--live);box-shadow:0 0 0 4px rgba(255,59,92,.14);}
.field .btn{height:48px;}
.form-hint{font-size:12.5px;color:var(--text-3);}
.form-msg{font-size:13.5px;color:var(--warn);display:none;}
.form-msg.is-show{display:block;}
.form-ok{
  display:none;align-items:center;gap:8px;font-size:13.5px;color:var(--ok);
  background:rgba(34,230,168,.1);border:1px solid rgba(34,230,168,.3);border-radius:10px;padding:10px 14px;
}
.form-ok.is-show{display:flex;}

/* ---------- related links ---------- */
.link-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:36px;}
.link-card{
  display:flex;flex-direction:column;gap:8px;padding:22px;
  border:1px solid var(--line-soft);border-radius:var(--r-card);background:var(--glass-2);
  transition:.22s ease;
}
.link-card strong{font-size:16px;font-weight:600;}
.link-card span{font-size:14px;color:var(--text-2);line-height:1.75;}
.link-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--sh-hover);}

/* ---------- footer ---------- */
.site-footer{
  margin-top:var(--sp-sec);background:var(--bg-2);border-top:1px solid rgba(0,229,168,.2);
  padding:64px 0 30px;position:relative;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;margin-bottom:14px;}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.85;max-width:38ch;}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li,.footer-col a,.footer-col span{font-size:13.8px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:6px;flex-wrap:wrap;}
.footer-contact span:first-child{color:var(--text-3);}
.footer-arc{
  height:1px;margin:44px 0 22px;
  background:linear-gradient(90deg,transparent,rgba(0,229,168,.45),transparent);
}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3);}
.footer-legal{display:flex;gap:16px;flex-wrap:wrap;}
.footer-legal a{color:var(--text-3);}
.footer-legal a:hover{color:var(--brand);}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .zz-layout{grid-template-columns:minmax(0,1fr) 280px;gap:40px;}
}
@media (max-width:992px){
  :root{--sp-sec:64px;}
  .container{padding:0 24px;}
  .nav-main{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,86vw);
    flex-direction:column;align-items:stretch;gap:6px;
    padding:88px 22px 32px;
    background:rgba(8,13,22,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border-left:1px solid var(--line);
    transform:translateX(102%);transition:transform .28s ease;z-index:90;
  }
  .nav-main.is-open{transform:translateX(0);}
  .nav-link{padding:0 14px;height:44px;display:flex;align-items:center;font-size:15.5px;border-radius:12px;}
  .nav-drawer-cta{display:inline-flex;margin-top:18px;}
  .hamburger{display:grid;}
  .command-search{min-width:0;width:44px;padding:0;justify-content:center;}
  .command-search input,.kbd{display:none;}
  .nav-quick{display:none;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .hero-cat{padding:32px 0 64px;}
  .zz-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .rail{position:static;}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:28px;}
  .cta-band{padding:40px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .link-row{grid-template-columns:1fr;}
}
@media (max-width:768px){
  :root{--sp-sec:48px;}
  .container{padding:0 20px;}
  .zz-row{grid-template-columns:minmax(0,1fr);gap:22px;}
  .zz-row.reverse .zz-media{order:0;}
  .tl-item{grid-template-columns:72px minmax(0,1fr);gap:16px;}
  .tl-time{font-size:17px;}
  .btn{width:auto;}
  .hero-actions .btn{flex:1 1 auto;min-width:150px;}
  .field .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-desc{max-width:none;}
}
@media (max-width:520px){
  .brand-text{font-size:14.5px;}
  .hero-copy h1{font-size:28px;}
  .sec-title{font-size:23px;}
  .badge{font-size:12px;padding:0 10px;}
  .cta-band{padding:32px 20px;}
  .faq-item summary{padding:16px 16px;font-size:15px;}
  .faq-item p{padding:0 16px 18px;}
}

/* roulang page: article */
:root{
  --bg:#060A12;
  --bg-deep:#080D16;
  --panel:#0E1622;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.10);
  --line:rgba(0,229,168,.18);
  --line-strong:rgba(0,229,168,.45);
  --primary:#00E5A8;
  --primary-deep:#00B383;
  --glow:#7CFFC4;
  --accent:#FF6B35;
  --ok:#22E6A8;
  --warn:#FFB020;
  --live:#FF3B5C;
  --disabled:#3A4553;
  --text:#E9F1F7;
  --text-2:#93A3B5;
  --text-3:#5A6774;
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-soft:0 2px 12px rgba(0,0,0,.45);
  --shadow-glow:0 8px 28px rgba(0,229,168,.18);
  --container:1240px;
  --mono:"SFMono-Regular",Menlo,Consolas,"Roboto Mono","DIN Alternate",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(900px 480px at 12% -8%, rgba(0,229,168,.10), transparent 62%),
    radial-gradient(760px 420px at 92% 4%, rgba(255,107,53,.07), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  min-height:100vh;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none;transition:color .16s ease,opacity .16s ease}
a:hover{color:var(--glow)}
h1,h2,h3,h4{margin:0;font-weight:650;line-height:1.3;letter-spacing:.005em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(0,229,168,.28)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.hairline{height:1px;background:linear-gradient(90deg,transparent,rgba(0,229,168,.30),transparent);border:0;margin:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14px;font-weight:650;white-space:nowrap;cursor:pointer;
  transition:transform .16s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease,color .2s ease,filter .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04231A;box-shadow:0 4px 18px rgba(0,229,168,.22);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 0 0 6px rgba(0,229,168,.16),0 10px 26px rgba(0,229,168,.22);color:#04231A}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{
  background:var(--glass);border:1px solid rgba(0,229,168,.30);color:var(--text);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.btn-secondary:hover{border-color:rgba(0,229,168,.72);color:var(--glow);transform:translateY(-1px)}
.btn-ghost{color:var(--text-2);padding:0 10px;height:40px}
.btn-ghost:hover{color:var(--primary);background:rgba(0,229,168,.08)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;box-shadow:none;pointer-events:none}
.btn-block{width:100%}
.arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600}
.arrow-link svg{transition:transform .18s ease}
.arrow-link:hover svg{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:var(--glass);border:1px solid var(--line);color:var(--primary);
}
.badge-accent{border-color:rgba(255,107,53,.42);color:var(--accent);background:rgba(255,107,53,.08)}
.badge-live{border-color:rgba(255,59,92,.42);color:#FF8DA1;background:rgba(255,59,92,.10)}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--live);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(255,59,92,.55);opacity:1}50%{box-shadow:0 0 0 6px rgba(255,59,92,0);opacity:.72}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  background:rgba(8,13,22,.74);
  border-bottom-color:rgba(0,229,168,.16);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:16px;letter-spacing:.01em;flex-shrink:0}
.brand:hover{color:var(--text)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(0,229,168,.22),rgba(0,229,168,.05));
  border:1px solid rgba(0,229,168,.34);color:var(--primary);box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.brand-mark svg{width:19px;height:19px}
.brand-text{white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:var(--r-pill);
  color:var(--text-2);font-size:14px;font-weight:550;transition:color .16s ease,background .16s ease;
}
.nav-link:hover{color:var(--primary);background:rgba(0,229,168,.08)}
.nav-link.active{color:var(--primary);background:rgba(0,229,168,.12);border:1px solid rgba(0,229,168,.28)}
.nav-drawer-cta{display:none;margin-top:14px}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.command-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;min-width:230px;
  border-radius:var(--r-pill);background:var(--glass);border:1px solid rgba(255,255,255,.10);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.command-search svg{width:16px;height:16px;color:var(--text-3);flex-shrink:0}
.command-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:13.5px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-3)}
.command-search:focus-within{
  border-color:rgba(0,229,168,.65);background:rgba(0,229,168,.06);
  box-shadow:0 0 0 4px rgba(0,229,168,.14);
}
.kbd{
  font-family:var(--mono);font-size:11px;color:var(--text-3);border:1px solid rgba(255,255,255,.12);
  border-radius:6px;padding:1px 6px;line-height:1.6;flex-shrink:0;
}
.hamburger{display:none;width:42px;height:42px;border-radius:11px;border:1px solid rgba(255,255,255,.12);background:var(--glass);align-items:center;justify-content:center;flex-direction:column;gap:4px}
.hamburger span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 文章首屏 ---------- */
.article-hero{
  position:relative;padding:72px 0 56px;overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.86),rgba(6,10,18,.94) 58%,var(--bg) 100%);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(0,229,168,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,168,.045) 1px,transparent 1px);
  background-size:64px 64px;
}
.article-hero .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3)}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--text-3);opacity:.6}
.crumbs .current{color:var(--primary);max-width:min(60ch,100%);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-h1{
  font-size:clamp(30px,4.2vw,52px);font-weight:700;line-height:1.2;margin:22px 0 18px;max-width:22ch;
  letter-spacing:.002em;
}
.page-h1 .hl{color:var(--primary);text-shadow:0 0 26px rgba(0,229,168,.28)}
.hero-sub{color:var(--text-2);font-size:16.5px;max-width:60ch}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:26px;font-size:13.5px;color:var(--text-3)}
.post-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.post-meta .meta-item svg{width:15px;height:15px;color:var(--text-3)}
.post-meta .meta-strong{color:var(--text-2)}
.share-row{display:flex;align-items:center;gap:8px;margin-left:auto}
.share-btn{
  display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid rgba(255,255,255,.12);font-size:13px;color:var(--text-2);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.share-btn:hover{border-color:var(--line-strong);color:var(--primary);background:rgba(0,229,168,.07)}

/* ---------- 文章布局 ---------- */
.article-shell{padding:56px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,820px) 300px;justify-content:space-between}
}
.article-panel{
  background:linear-gradient(180deg,rgba(14,22,34,.72),rgba(10,16,26,.62));
  border:1px solid rgba(255,255,255,.07);border-radius:var(--r-card);
  padding:clamp(24px,3.4vw,44px);box-shadow:var(--shadow-soft);
  position:relative;overflow:hidden;
}
.article-panel::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,229,168,.5),transparent);
}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16.5px;line-height:1.9;color:#D7E2EC}
.article-body>*+*{margin-top:1.2em}
.article-body p{margin:0}
.article-body h2{
  position:relative;font-size:clamp(21px,2.2vw,27px);font-weight:650;color:var(--text);
  margin:2.1em 0 .8em;padding-left:16px;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(0,229,168,.25));box-shadow:0 0 14px rgba(0,229,168,.45);
}
.article-body h3{font-size:19px;font-weight:600;color:var(--text);margin:1.9em 0 .6em}
.article-body h4{font-size:16.5px;font-weight:600;color:var(--text-2);margin:1.5em 0 .5em}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--glow);text-shadow:0 0 12px rgba(0,229,168,.5)}
.article-body strong{color:var(--text);font-weight:650}
.article-body ul,.article-body ol{margin:1.1em 0;padding-left:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin:.5em 0;color:#CDD9E4}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(0,229,168,.55);
}
.article-body ol{counter-reset:li}
.article-body ol li{padding-left:30px}
.article-body ol li::before{
  counter-increment:li;content:counter(li);position:absolute;left:0;top:.1em;
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--primary);
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;border-left:3px solid var(--primary);border-radius:0 14px 14px 0;
  background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  color:var(--text-2);font-size:15.5px;
}
.article-body img{border-radius:14px;margin:1.6em auto;box-shadow:var(--shadow-soft)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{margin:1.6em 0;font-size:14.5px;border:1px solid rgba(255,255,255,.10);border-radius:12px;overflow:hidden}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left}
.article-body th{background:rgba(0,229,168,.09);color:var(--text);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;height:1px;background:rgba(255,255,255,.10);margin:2.2em 0}
.article-body code{
  font-family:var(--mono);font-size:.92em;background:rgba(0,229,168,.10);color:var(--glow);
  padding:2px 7px;border-radius:6px;
}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed rgba(0,229,168,.30);border-radius:var(--r-card);
  background:var(--glass);
}
.empty-state .empty-title{font-size:20px;font-weight:650;color:var(--text);margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px}
.side-card{
  position:relative;
  background:linear-gradient(180deg,rgba(14,22,34,.76),rgba(10,16,26,.66));
  border:1px solid rgba(255,255,255,.08);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-soft);
  transition:border-color .2s ease,transform .2s ease;
}
.side-card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:13px;font-weight:650;letter-spacing:.06em;
  color:var(--text-2);text-transform:uppercase;margin-bottom:14px;
}
.side-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(0,229,168,.6)}
.side-list li+li{border-top:1px solid rgba(255,255,255,.06)}
.side-list a{
  display:flex;align-items:center;gap:10px;padding:11px 2px;font-size:14.5px;color:var(--text-2);
  transition:color .16s ease,background .16s ease;border-radius:8px;
}
.side-list a:hover{color:var(--primary)}
.side-list a .idx{font-family:var(--mono);font-size:12px;color:var(--primary);flex-shrink:0;width:18px}
.side-list a .arrow{margin-left:auto;color:var(--text-3);transition:transform .18s ease,color .18s ease}
.side-list a:hover .arrow{transform:translateX(3px);color:var(--primary)}
.side-note{font-size:13px;color:var(--text-3);line-height:1.7}
.field{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.field input{
  height:48px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  outline:none;font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(0,229,168,.16)}
.form-ok{
  margin-top:12px;padding:11px 14px;border-radius:var(--r-btn);font-size:13.5px;color:#04231A;font-weight:600;
  background:linear-gradient(135deg,var(--ok),var(--primary-deep));
}
.micro{font-size:12.5px;color:var(--text-3);margin-top:10px;line-height:1.65}

/* ---------- 文末 ---------- */
.post-tail{margin-top:40px;padding-top:32px;border-top:1px solid rgba(255,255,255,.08)}
.post-tail-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;margin-top:26px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.pager a{
  display:flex;flex-direction:column;gap:4px;padding:16px 18px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid rgba(255,255,255,.09);color:var(--text);
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.pager a:hover{border-color:var(--line-strong);transform:translateY(-2px);background:rgba(0,229,168,.06)}
.pager .pager-label{font-size:12px;color:var(--primary);letter-spacing:.08em}
.pager .pager-text{font-size:15px;font-weight:600;color:var(--text);line-height:1.5}
.pager .pager-right{text-align:right;align-items:flex-end}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:32px}
.card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(6,10,18,.72))}
.card-tag{position:absolute;left:14px;top:14px;z-index:2}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:16.5px;font-weight:650;color:var(--text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3)}
.card:hover .card-title{color:var(--glow)}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:32px}
.sec-title{font-size:clamp(24px,2.6vw,34px);font-weight:650}
.sec-desc{color:var(--text-2);font-size:15px;margin-top:10px;max-width:62ch}

/* ---------- CTA ---------- */
.cta-band{padding:80px 0}
.cta-inner{
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  padding:clamp(28px,4vw,52px);border-radius:26px;position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(0,229,168,.16),rgba(255,107,53,.08) 60%,rgba(10,16,26,.2));
  border:1px solid rgba(0,229,168,.24);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.cta-inner::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(0,229,168,.28);
}
.cta-title{font-size:clamp(22px,2.4vw,32px);font-weight:650}
.cta-text{color:var(--text-2);font-size:15px;margin-top:12px;max-width:52ch}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1;min-width:200px;height:48px;padding:0 16px;border-radius:var(--r-btn);
  background:rgba(6,10,18,.55);border:1px solid rgba(255,255,255,.14);outline:none;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(0,229,168,.16)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid rgba(0,229,168,.20);margin-top:0;position:relative}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding:72px 0 48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;margin-bottom:16px}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.8;max-width:44ch}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--text-2);font-weight:650;margin-bottom:16px}
.footer-col ul li+li{margin-top:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:var(--primary)}
.footer-contact li{display:flex;gap:6px;flex-wrap:wrap}
.footer-arc{
  height:1px;background:linear-gradient(90deg,transparent,rgba(0,229,168,.34),transparent);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:24px 0 36px;font-size:13px;color:var(--text-3);
}
.footer-legal{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.footer-legal a{color:var(--text-3)}
.footer-legal a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .side-col{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 300px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .nav-main{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,84vw);
    flex-direction:column;align-items:stretch;gap:4px;padding:88px 22px 28px;
    background:rgba(8,13,22,.94);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-left:1px solid rgba(0,229,168,.20);
    transform:translateX(102%);transition:transform .28s ease;z-index:90;
  }
  .nav-main.is-open{transform:translateX(0)}
  .nav-main .nav-link{height:44px;font-size:15px}
  .nav-drawer-cta{display:inline-flex;width:100%}
  .hamburger{display:inline-flex}
  .command-search{min-width:0;width:180px}
  .nav-quick{display:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .nav-wrap{height:56px;gap:12px}
  .brand-text{font-size:15px}
  .command-search{display:none}
  .article-hero{padding:44px 0 36px}
  .page-h1{max-width:none}
  .share-row{margin-left:0;width:100%}
  .related-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .cta-form input{min-width:100%}
  .cta-form .btn{width:100%}
  .pager{grid-template-columns:1fr}
  .pager .pager-right{text-align:left;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 36px}
  .article-panel{padding:22px}
  .article-body{font-size:16px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .nav-right .btn-primary{width:auto}
  .post-tail-row .btn{width:auto}
  .crumbs{font-size:12.5px}
}

/* roulang page: category2 */
:root{
  --bg:#060A12;
  --bg-deep:#080D16;
  --panel:#0E1622;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.04);
  --line:rgba(0,229,168,.18);
  --line-strong:rgba(0,229,168,.45);
  --primary:#00E5A8;
  --primary-deep:#00B383;
  --glow:#7CFFC4;
  --accent:#FF6B35;
  --ok:#22E6A8;
  --warn:#FFB020;
  --danger:#FF3B5C;
  --disabled:#3A4553;
  --text:#E9F1F7;
  --text-2:#93A3B5;
  --text-3:#5A6774;
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-soft:0 2px 12px rgba(0,0,0,.45);
  --shadow-glow:0 8px 28px rgba(0,229,168,.18);
  --container:1240px;
  --gap:24px;
  --section:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"SF Mono","DIN Alternate",ui-monospace,"Roboto Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
::selection{background:rgba(0,229,168,.3);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease,background-color .16s ease,color .16s ease,opacity .16s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#03150F;
  font-weight:700;
  box-shadow:0 2px 12px rgba(0,0,0,.45);
}
.btn-primary:hover{
  transform:translateY(-1px);
  filter:brightness(1.08);
  box-shadow:0 0 0 6px rgba(0,229,168,.16),var(--shadow-glow);
}
.btn-primary:active{transform:translateY(1px)}
.btn-primary[disabled],.btn-primary.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;filter:none;transform:none}
.btn-secondary{
  background:var(--glass);
  border-color:rgba(0,229,168,.3);
  color:var(--text);
  backdrop-filter:blur(14px);
}
.btn-secondary:hover{border-color:rgba(0,229,168,.7);background:rgba(0,229,168,.08)}
.btn-ghost{
  background:transparent;
  color:var(--primary);
  padding:0 6px;
  height:40px;
  font-weight:600;
}
.btn-ghost span[aria-hidden]{transition:transform .16s ease;display:inline-block}
.btn-ghost:hover span[aria-hidden]{transform:translateX(4px)}
.btn-block{width:100%}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--primary);
  backdrop-filter:blur(10px);
}
.badge-time{
  border-color:rgba(255,107,53,.45);
  color:var(--accent);
  background:rgba(255,107,53,.08);
}
.badge-live{
  border-color:rgba(255,59,92,.4);
  color:#FFD5DD;
  background:rgba(255,59,92,.12);
}
.dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--danger);
  box-shadow:0 0 0 0 rgba(255,59,92,.6);
  animation:breathe 1.6s infinite ease-out;
}
@keyframes breathe{
  0%{box-shadow:0 0 0 0 rgba(255,59,92,.55)}
  70%{box-shadow:0 0 0 9px rgba(255,59,92,0)}
  100%{box-shadow:0 0 0 0 rgba(255,59,92,0)}
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:64px;
  display:flex;
  align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .22s ease,border-color .22s ease,backdrop-filter .22s ease;
}
.site-header.is-scrolled{
  background:rgba(8,13,22,.78);
  border-bottom:1px solid rgba(0,229,168,.16);
  backdrop-filter:blur(14px);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  width:100%;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(0,229,168,.22),rgba(0,179,131,.08));
  border:1px solid var(--line);
  color:var(--primary);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.brand-mark svg{width:19px;height:19px}
.brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  transition:color .16s ease,background-color .16s ease;
}
.nav-link:hover{color:var(--primary);background:rgba(0,229,168,.08)}
.nav-link.active{
  color:var(--primary);
  background:rgba(0,229,168,.12);
  font-weight:600;
  box-shadow:inset 0 0 0 1px rgba(0,229,168,.22);
}
.nav-drawer-cta{display:none}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.command-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 12px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.09);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(12px);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.command-search svg{width:16px;height:16px;color:var(--text-3);flex:0 0 auto}
.command-search input{
  width:170px;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--text);
}
.command-search input::placeholder{color:var(--text-3)}
.command-search:focus-within{
  border-color:rgba(0,229,168,.65);
  box-shadow:0 0 0 4px rgba(0,229,168,.14);
  background:rgba(0,229,168,.06);
}
.kbd{
  font-size:11px;
  color:var(--text-3);
  border:1px solid rgba(255,255,255,.12);
  border-radius:6px;
  padding:1px 6px;
  line-height:1.5;
  font-family:var(--mono);
}
.nav-quick{display:inline-flex}
.hamburger{
  display:none;
  width:44px;height:44px;
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.hamburger span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .2s ease,opacity .2s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:72px 0 84px;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center 32%;
  opacity:.30;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(1100px 520px at 12% 8%,rgba(0,229,168,.16),transparent 62%),
    linear-gradient(180deg,rgba(6,10,18,.55) 0%,rgba(6,10,18,.92) 72%,var(--bg) 100%);
}
.hero-grid-lines{
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(0,229,168,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,168,.055) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--text-2);transition:color .16s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3);opacity:.7}
.breadcrumb .current{color:var(--primary);font-weight:600}
.hero-inner h1{
  margin:18px 0 16px;
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
  max-width:19ch;
}
.hero-sub{
  font-size:clamp(15px,1.4vw,18px);
  color:var(--text-2);
  max-width:44ch;
  line-height:1.7;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  margin-top:32px;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  margin-top:36px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.07);
}
.hero-points li{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:14.5px;
  color:var(--text-2);
}
.hero-points li::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(0,229,168,.75);
  flex:0 0 auto;
}

/* ============ 通用板块 ============ */
.section{padding:var(--section) 0}
.section-alt{background:var(--bg-deep);border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:650;
  line-height:1.28;
  margin:14px 0 14px;
  letter-spacing:-.005em;
}
.section-head p{color:var(--text-2);font-size:16px;line-height:1.8}
.eyebrow{
  font-size:13px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--primary);
  font-weight:600;
  font-family:var(--mono);
}

/* ============ 玻璃卡片 ============ */
.card{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft),inset 0 1px 0 rgba(255,255,255,.06);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.card:hover{
  border-color:var(--line-strong);
  transform:translateY(-2px);
  box-shadow:var(--shadow-glow),inset 0 1px 0 rgba(255,255,255,.08);
}
/* 快速要点三列 */
.quick-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.quick-card{padding:28px 26px}
.quick-card .q-index{
  font-family:var(--mono);
  font-size:13px;
  color:var(--accent);
  letter-spacing:.12em;
}
.quick-card h3{font-size:19px;font-weight:650;margin:12px 0 10px}
.quick-card p{color:var(--text-2);font-size:15px;line-height:1.8}
.quick-card .q-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed rgba(255,255,255,.09);
  font-size:13.5px;
  color:var(--text-3);
}

/* ============ 时间轴 ============ */
.timeline-wrap{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:56px;align-items:start}
.timeline{position:relative;padding-left:44px}
.timeline::before{
  content:"";
  position:absolute;
  left:13px;
  top:10px;
  bottom:10px;
  width:2px;
  background:linear-gradient(180deg,rgba(0,229,168,.75),rgba(0,229,168,.12) 78%,transparent);
}
.tl-item{position:relative;padding:0 0 34px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";
  position:absolute;
  left:-37px;
  top:8px;
  width:12px;height:12px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid var(--primary);
  box-shadow:0 0 12px rgba(0,229,168,.55);
}
.tl-item .tl-no{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.14em;
  color:var(--accent);
  display:block;
  margin-bottom:6px;
}
.tl-item h3{font-size:19px;font-weight:650;margin-bottom:8px}
.tl-item p{color:var(--text-2);font-size:15px;line-height:1.85;max-width:56ch}
.tl-item .tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.09);
}
/* 右侧竖排要点贴条 */
.side-strip{
  position:sticky;
  top:96px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass-2);
  backdrop-filter:blur(14px);
  padding:28px 24px;
}
.side-strip h3{font-size:17px;font-weight:650;margin-bottom:8px}
.side-strip .strip-sub{font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.side-strip ol{display:flex;flex-direction:column;gap:16px}
.side-strip li{
  display:flex;
  gap:12px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.7;
}
.side-strip li b{
  font-family:var(--mono);
  color:var(--primary);
  font-size:13px;
  letter-spacing:.06em;
  flex:0 0 auto;
  padding-top:2px;
}

/* ============ 可折叠说明块 ============ */
.fold-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.fold{
  border-radius:var(--r-card);
  border:1px solid rgba(255,255,255,.09);
  background:var(--glass-2);
  backdrop-filter:blur(12px);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.fold[open]{
  border-color:var(--line-strong);
  box-shadow:0 0 0 1px rgba(0,229,168,.14),var(--shadow-soft);
}
.fold summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  font-size:16.5px;
  font-weight:600;
  transition:background-color .16s ease,color .16s ease;
}
.fold summary::-webkit-details-marker{display:none}
.fold summary:hover{background:rgba(255,255,255,.04);color:var(--primary)}
.fold summary .arrow{
  flex:0 0 auto;
  width:22px;height:22px;
  color:var(--text-3);
  transition:transform .2s ease,color .2s ease;
}
.fold[open] summary .arrow{transform:rotate(180deg);color:var(--primary)}
.fold .fold-body{
  padding:0 24px 22px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.9;
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:18px;
  margin:0 24px 22px;
}
.fold .fold-body ul{display:flex;flex-direction:column;gap:9px;margin-top:12px}
.fold .fold-body li{position:relative;padding-left:18px}
.fold .fold-body li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--primary);
}

/* ============ 设备与场景卡片 ============ */
.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.device-card{overflow:hidden;display:flex;flex-direction:column}
.device-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:
    linear-gradient(rgba(0,229,168,.07) 1px,transparent 1px) 0 0/22px 22px,
    linear-gradient(90deg,rgba(0,229,168,.07) 1px,transparent 1px) 0 0/22px 22px,
    var(--panel);
}
.device-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.device-card:hover .device-media img{transform:scale(1.03)}
.device-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.05) 0%,rgba(6,10,18,.72) 100%);
}
.device-media .badge{position:absolute;left:14px;top:14px;z-index:2}
.device-body{padding:22px 22px 26px}
.device-body h3{font-size:18px;font-weight:650;margin-bottom:10px}
.device-body p{color:var(--text-2);font-size:14.5px;line-height:1.8}
.device-body .mini-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.device-body .mini-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  padding:8px 0;
  border-top:1px solid rgba(255,255,255,.05);
}
.device-body .mini-list li:first-child{border-top:0}
.device-body .mini-list li span:first-child{color:var(--primary);font-family:var(--mono);font-size:12.5px;flex:0 0 auto}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.6fr);gap:56px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border-radius:14px;
  border:1px solid rgba(255,255,255,.08);
  background:var(--glass-2);
  overflow:hidden;
  transition:border-color .18s ease,background-color .18s ease;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item[open]{
  border-color:var(--line-strong);
  background:rgba(0,229,168,.05);
  border-left:3px solid var(--primary);
}
.faq-item summary .arrow{
  flex:0 0 auto;width:20px;height:20px;color:var(--text-3);
  transition:transform .2s ease,color .2s ease;
}
.faq-item[open] summary .arrow{transform:rotate(180deg);color:var(--primary)}
.faq-item .faq-body{
  padding:0 22px 20px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.9;
}
.faq-side{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass-2);
  padding:26px 24px;
}
.faq-side h3{font-size:17px;font-weight:650;margin-bottom:14px}
.faq-side p{font-size:14.5px;color:var(--text-2);line-height:1.85;margin-bottom:18px}
.faq-side .contact-line{
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.07);
}
.faq-side .contact-line a{color:var(--primary)}
.faq-side .contact-line a:hover{text-shadow:0 0 14px rgba(0,229,168,.6)}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:22px;
  border:1px solid var(--line);
  background:
    radial-gradient(700px 320px at 8% 0%,rgba(0,229,168,.20),transparent 62%),
    linear-gradient(120deg,rgba(0,229,168,.10),rgba(0,179,131,.03) 58%,rgba(255,107,53,.08));
  backdrop-filter:blur(16px);
  padding:52px 48px;
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);
  gap:44px;
  align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.3vw,30px);font-weight:650;line-height:1.32;margin:12px 0 12px}
.cta-band p{color:var(--text-2);font-size:15.5px;line-height:1.85;max-width:46ch}
.cta-form{display:flex;flex-direction:column;gap:12px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13.5px;color:var(--text-2);font-weight:600}
.field input{
  height:48px;
  padding:0 16px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  color:var(--text);
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field input::placeholder{color:var(--text-3)}
.field input:hover{border-color:rgba(255,255,255,.2)}
.field input:focus{
  border-color:rgba(0,229,168,.7);
  box-shadow:0 0 0 4px rgba(0,229,168,.14);
  background:rgba(0,229,168,.06);
}
.field.has-error input{border-color:var(--danger);box-shadow:0 0 0 4px rgba(255,59,92,.12)}
.field .err{font-size:12px;color:var(--danger);display:none}
.field.has-error .err{display:block}
.form-note{font-size:12.5px;color:var(--text-3);line-height:1.7}
.form-success{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 16px;
  border-radius:var(--r-btn);
  border:1px solid rgba(34,230,168,.4);
  background:rgba(34,230,168,.1);
  color:var(--glow);
  font-size:14px;
}
.form-success[hidden]{display:none}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid rgba(0,229,168,.2);
  padding:64px 0 28px;
  margin-top:8px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:17px;font-weight:700}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.85;max-width:36ch}
.footer-col h4{
  font-size:14px;
  font-weight:650;
  letter-spacing:.04em;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-2);transition:color .16s ease}
.footer-col a:hover{color:var(--primary)}
.footer-contact li{display:flex;flex-direction:column;gap:2px}
.footer-contact li span:first-child{color:var(--text-3);font-size:12.5px}
.footer-arc{
  height:1px;
  margin:42px 0 22px;
  background:linear-gradient(90deg,transparent,rgba(0,229,168,.45),rgba(255,107,53,.28),transparent);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:var(--text-3);
}
.footer-legal{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.footer-legal a{color:var(--text-2)}
.footer-legal a:hover{color:var(--primary)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .timeline-wrap{gap:36px}
  .faq-wrap{gap:36px}
}
@media (max-width:991px){
  :root{--section:64px}
  .container{padding:0 24px}
  .page-hero{padding:52px 0 60px}
  .quick-grid{grid-template-columns:1fr 1fr}
  .timeline-wrap{grid-template-columns:1fr}
  .side-strip{position:static}
  .device-grid{grid-template-columns:1fr 1fr}
  .faq-wrap{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-main{
    position:fixed;
    top:64px;
    right:0;
    width:300px;
    height:calc(100vh - 64px);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:22px 20px 32px;
    margin-left:0;
    background:rgba(8,13,22,.94);
    backdrop-filter:blur(18px);
    border-left:1px solid rgba(0,229,168,.18);
    transform:translateX(105%);
    transition:transform .26s ease;
    overflow-y:auto;
    z-index:70;
  }
  .nav-main.is-open{transform:translateX(0)}
  .nav-link{height:44px;padding:0 14px;font-size:15px}
  .nav-drawer-cta{display:inline-flex;margin-top:14px}
  .nav-quick{display:none}
  .hamburger{display:flex}
  .command-search input{width:130px}
}
@media (max-width:767px){
  :root{--section:48px}
  .container{padding:0 20px}
  .site-header{height:56px}
  .nav-main{top:56px;width:86vw;max-width:320px;height:calc(100vh - 56px)}
  .command-search{display:none}
  .brand-text{font-size:16px}
  .hero-inner h1{max-width:100%}
  .quick-grid{grid-template-columns:1fr}
  .device-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 22px;border-radius:18px}
  .hero-actions .btn{width:100%}
  .hero-actions .btn-ghost{justify-content:flex-start;padding-left:0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .hero-points{flex-direction:column;gap:12px}
  .fold summary{padding:16px 18px;font-size:15.5px}
  .fold .fold-body{margin:0 18px 18px;padding:16px 0 0}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-item .faq-body{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* roulang page: category3 */
:root{
  --bg:#060A12;
  --bg-deep:#080D16;
  --panel:#0E1622;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(0,229,168,.18);
  --line-mid:rgba(0,229,168,.30);
  --line-strong:rgba(0,229,168,.45);
  --brand:#00E5A8;
  --brand-deep:#00B383;
  --glow:#7CFFC4;
  --accent:#FF6B35;
  --ok:#22E6A8;
  --warn:#FFB020;
  --danger:#FF3B5C;
  --t1:#E9F1F7;
  --t2:#93A3B5;
  --t3:#5A6774;
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-static:0 2px 12px rgba(0,0,0,.45);
  --shadow-hover:0 8px 28px rgba(0,229,168,.18);
  --maxw:1240px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"SFMono-Regular",ui-monospace,"DIN Alternate","Roboto Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(0,229,168,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,229,168,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 12%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 12%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .16s ease,opacity .16s ease}
a:hover{color:var(--glow)}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.2px}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(0,229,168,.28);color:#fff}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:1;
}
.section{padding:96px 0;position:relative;z-index:1}
.section-alt{background:linear-gradient(180deg,rgba(14,22,34,.72),rgba(6,10,18,0));border-top:1px solid rgba(255,255,255,.05)}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--brand),transparent);border-radius:2px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:650;margin-bottom:16px}
.section-head p{color:var(--t2);font-size:15.5px;margin:0}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  height:64px;
  display:flex;align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(8,13,22,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px rgba(0,0,0,.4);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t1);flex-shrink:0}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(0,229,168,.22),rgba(0,229,168,.06));
  border:1px solid var(--line-mid);
  color:var(--brand);
  box-shadow:0 0 18px rgba(0,229,168,.18) inset;
}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.4px;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:4px;flex:1;min-width:0}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--t2);
  white-space:nowrap;
  transition:color .16s ease,background .16s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(0,229,168,.08)}
.nav-link.active{color:var(--brand);background:rgba(0,229,168,.12)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),transparent);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.command-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 10px 0 12px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid rgba(255,255,255,.08);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.command-search:focus-within{
  border-color:var(--line-strong);
  box-shadow:0 0 0 4px rgba(0,229,168,.14);
  background:var(--glass-strong);
}
.command-search svg{width:15px;height:15px;color:var(--t3);flex-shrink:0}
.command-search input{
  width:170px;background:none;border:0;outline:none;color:var(--t1);font-size:14px;
}
.command-search input::placeholder{color:var(--t3)}
.kbd{
  font-family:var(--mono);font-size:11px;color:var(--t3);
  padding:2px 7px;border-radius:6px;border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.04);white-space:nowrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;
  border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;
  transition:transform .16s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease,color .16s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04140E;
  font-weight:700;
  box-shadow:0 4px 18px rgba(0,229,168,.22);
}
.btn-primary:hover{
  color:#04140E;transform:translateY(-1px);filter:brightness(1.08);
  box-shadow:0 0 0 6px rgba(0,229,168,.16),0 8px 28px rgba(0,229,168,.28);
}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;color:var(--t2);
  padding:9px 12px;
}
.btn-ghost:hover{color:var(--brand);background:rgba(0,229,168,.08)}
.btn-outline{
  background:var(--glass);color:var(--t1);
  border:1px solid var(--line-mid);
}
.btn-outline:hover{color:var(--brand);border-color:rgba(0,229,168,.7);transform:translateY(-1px)}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;filter:none}
.nav-quick{display:inline-flex}
.nav-drawer-cta{display:none}
.hamburger{display:none;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:5px;background:var(--glass);border:1px solid rgba(255,255,255,.08)}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t1);transition:transform .22s ease,opacity .22s ease}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ PAGE HERO ============ */
.page-hero{
  position:relative;
  padding:78px 0 74px;
  overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.34;
  filter:saturate(.9);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.72) 0%,rgba(6,10,18,.92) 62%,var(--bg) 100%),
             radial-gradient(900px 420px at 18% 20%,rgba(0,229,168,.16),transparent 70%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--t3);margin-bottom:24px;
}
.breadcrumb a{color:var(--t2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--t3);opacity:.7}
.breadcrumb [aria-current="page"]{color:var(--brand);font-weight:600}
.hero-tagline{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(0,229,168,.1);border:1px solid var(--line-mid);
  color:var(--brand);font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-tagline .dot{width:7px;height:7px;border-radius:50%;background:var(--danger);box-shadow:0 0 0 0 rgba(255,59,92,.6);animation:pulse 1.6s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,59,92,.55)}
  70%{box-shadow:0 0 0 9px rgba(255,59,92,0)}
  100%{box-shadow:0 0 0 0 rgba(255,59,92,0)}
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,52px);
  font-weight:700;
  letter-spacing:-.5px;
  margin-bottom:18px;
  max-width:16em;
}
.page-hero h1 .hl{
  background:linear-gradient(100deg,var(--brand),var(--glow));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  max-width:620px;color:var(--t2);font-size:17px;margin:0 0 26px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:var(--r-pill);
  font-size:13px;color:var(--t2);
  background:var(--glass);border:1px solid rgba(255,255,255,.08);
}
.chip.accent{color:var(--accent);border-color:rgba(255,107,53,.35);background:rgba(255,107,53,.08)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.ghost-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--t2);font-weight:600;font-size:14.5px}
.ghost-arrow svg{width:15px;height:15px;transition:transform .2s ease}
.ghost-arrow:hover{color:var(--brand)}
.ghost-arrow:hover svg{transform:translateX(4px)}

/* ============ INDEX LIST ============ */
.index-list{
  border-top:1px solid rgba(255,255,255,.07);
}
.index-item{
  display:grid;
  grid-template-columns:96px 1fr 40px;
  gap:22px;
  align-items:start;
  padding:28px 22px;
  border-bottom:1px solid rgba(255,255,255,.07);
  border-radius:14px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
  cursor:default;
}
.index-item:hover,.index-item:focus-within{
  background:rgba(255,255,255,.04);
  border-bottom-color:var(--line-mid);
  transform:translateY(-2px);
}
.index-num{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:34px;
  font-weight:700;
  line-height:1;
  color:var(--brand);
  letter-spacing:1px;
  text-shadow:0 0 26px rgba(0,229,168,.35);
  padding-top:4px;
}
.index-body h3{font-size:19px;font-weight:650;margin-bottom:2px}
.index-body .index-kicker{font-size:13px;color:var(--t3);letter-spacing:.04em}
.index-desc{
  max-height:0;opacity:0;overflow:hidden;
  margin-top:0;
  color:var(--t2);font-size:15px;
  transition:max-height .34s ease,opacity .26s ease,margin-top .3s ease;
}
.index-desc p{margin:0}
.index-arrow{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.1);
  color:var(--t3);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
  align-self:center;
}
.index-arrow svg{width:15px;height:15px}
.index-item:hover .index-arrow,.index-item:focus-within .index-arrow{
  border-color:var(--line-strong);color:var(--brand);transform:translateX(4px);
}
@media (hover:hover){
  .index-item:hover .index-desc,.index-item:focus-within .index-desc{max-height:160px;opacity:1;margin-top:10px}
}
@media (hover:none){
  .index-desc{max-height:none;opacity:1;margin-top:10px}
}

/* ============ SPLIT FEATURE ============ */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split + .split{margin-top:78px}
.split.reverse .split-media{order:2}
.split-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.09);
  box-shadow:var(--shadow-static);
  background:var(--panel);
}
.split-media img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.split-media:hover img{transform:scale(1.03)}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(190deg,rgba(6,10,18,.05),rgba(6,10,18,.6));
  pointer-events:none;
}
.split-media .media-badge{
  position:absolute;left:16px;top:16px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;color:var(--t1);
  background:rgba(8,13,22,.66);
  border:1px solid rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.split-media .media-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--brand)}
.split-copy h3{font-size:24px;margin-bottom:14px}
.split-copy > p{color:var(--t2);margin-bottom:22px}
.point-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 16px;
  border-radius:14px;
  border:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.point-list li:hover{background:rgba(255,255,255,.04);border-color:var(--line);transform:translateY(-2px)}
.point-list .pt-mark{
  flex-shrink:0;width:22px;height:22px;border-radius:7px;margin-top:3px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,229,168,.12);border:1px solid var(--line-mid);
  color:var(--brand);font-family:var(--mono);font-size:11.5px;font-weight:700;
}
.point-list .pt-text strong{display:block;font-size:16px;font-weight:600;margin-bottom:2px}
.point-list .pt-text span{color:var(--t2);font-size:14.5px}

/* ============ STATS ============ */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.stat{
  padding:34px 24px;
  border-right:1px solid rgba(255,255,255,.08);
}
.stat:last-child{border-right:0}
.stat-num{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(28px,3vw,38px);
  font-weight:700;
  color:var(--brand);
  line-height:1.1;
  margin-bottom:8px;
}
.stat-num small{font-size:16px;color:var(--glow);margin-left:3px}
.stat-label{font-size:14px;color:var(--t2)}
.stat-note{font-size:12.5px;color:var(--t3);margin-top:6px}

/* ============ FAQ ============ */
.faq-list{max-width:900px}
.faq-item{
  background:var(--glass);
  border:1px solid rgba(255,255,255,.08);
  border-radius:14px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{
  border-color:var(--line-strong);
  box-shadow:0 0 0 1px rgba(0,229,168,.08),0 10px 30px rgba(0,0,0,.35);
}
.faq-q{
  display:flex;align-items:center;gap:16px;
  padding:19px 22px;
  font-size:16.5px;font-weight:600;
  cursor:pointer;list-style:none;
  transition:color .18s ease,background .18s ease;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{color:var(--brand);background:rgba(255,255,255,.03)}
.faq-item[open] .faq-q{color:var(--brand);border-left:3px solid var(--brand);padding-left:19px}
.faq-q .faq-idx{
  font-family:var(--mono);font-size:13px;color:var(--t3);
  flex-shrink:0;min-width:26px;
}
.faq-q .faq-caret{
  margin-left:auto;flex-shrink:0;width:16px;height:16px;color:var(--t3);
  transition:transform .28s ease,color .2s ease;
}
.faq-item[open] .faq-caret{transform:rotate(180deg);color:var(--brand)}
.faq-a{
  padding:0 22px 22px 64px;
  color:var(--t2);font-size:15px;
}
.faq-a p{margin:0}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--line-mid);
  background:
    radial-gradient(620px 260px at 12% 0%,rgba(0,229,168,.18),transparent 70%),
    linear-gradient(120deg,rgba(0,229,168,.10),rgba(255,107,53,.06) 60%,rgba(255,255,255,.03));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  padding:52px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.cta-band p{color:var(--t2);margin:0;font-size:15.5px}
.cta-form{display:flex;flex-direction:column;gap:12px}
.field-row{display:flex;gap:12px}
.field{
  flex:1;height:48px;
  padding:0 16px;
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  color:var(--t1);
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field::placeholder{color:var(--t3)}
.field:hover{border-color:rgba(0,229,168,.35)}
.field:focus{
  border-color:var(--brand);
  background:rgba(255,255,255,.07);
  box-shadow:0 0 0 4px rgba(0,229,168,.16);
}
.field.error{border-color:var(--danger);box-shadow:0 0 0 4px rgba(255,59,92,.14)}
.form-hint{font-size:12.5px;color:var(--t3);margin:0}
.form-error{font-size:12.5px;color:var(--danger);margin:0;display:none}
.form-error.show{display:block}
.form-success{
  display:none;align-items:center;gap:10px;
  padding:12px 16px;border-radius:var(--r-btn);
  background:rgba(34,230,168,.1);
  border:1px solid rgba(34,230,168,.35);
  color:var(--ok);font-size:14px;
}
.form-success.show{display:flex}
.form-success svg{width:16px;height:16px;flex-shrink:0}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;
  background:var(--bg-deep);
  border-top:1px solid rgba(0,229,168,.2);
  padding:72px 0 30px;
  margin-top:20px;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-desc{color:var(--t2);font-size:14.5px;max-width:340px;margin:0}
.footer-col h4{font-size:15px;font-weight:650;margin-bottom:18px;color:var(--t1)}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a,.footer-col ul li span{color:var(--t2);font-size:14.5px}
.footer-col ul li a:hover{color:var(--brand)}
.footer-contact ul li{display:flex;gap:8px;flex-wrap:wrap;font-size:14px}
.footer-contact ul li span:first-child{color:var(--t3)}
.footer-arc{
  height:1px;margin:52px 0 26px;
  background:linear-gradient(90deg,transparent,rgba(0,229,168,.5),rgba(255,107,53,.32),transparent);
}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  color:var(--t3);font-size:13.5px;
}
.footer-legal{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.footer-legal a{color:var(--t2)}
.footer-legal a:hover{color:var(--brand)}

/* ============ RESPONSIVE ============ */
@media (max-width:1439px){
  .container{padding:0 32px}
}
@media (max-width:1199px){
  .split{gap:40px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .footer-contact{grid-column:1 / -1}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .nav-main{
    position:fixed;top:0;right:0;height:100vh;width:300px;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:88px 22px 24px;
    background:rgba(9,14,24,.94);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-left:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .3s ease;
    z-index:70;
  }
  .nav-main.open{transform:translateX(0)}
  .nav-link{padding:12px 14px;font-size:15.5px;min-height:44px;display:flex;align-items:center}
  .nav-link.active::after{display:none}
  .nav-drawer-cta{display:inline-flex;margin-top:auto;width:100%}
  .hamburger{display:flex}
  .command-search input{width:130px}
  .nav-quick{display:none}
  .split{grid-template-columns:1fr;gap:30px}
  .split.reverse .split-media{order:0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid rgba(255,255,255,.08)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .cta-band{grid-template-columns:1fr;padding:38px;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .site-header{height:56px}
  .nav-wrap{height:56px;gap:12px}
  .brand-text{font-size:15.5px}
  .command-search{display:none}
  .page-hero{padding:52px 0 48px}
  .page-hero h1{font-size:clamp(27px,7.4vw,36px)}
  .hero-sub{font-size:15.5px}
  .index-item{grid-template-columns:56px 1fr;gap:14px;padding:22px 10px}
  .index-num{font-size:26px}
  .index-arrow{display:none}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;padding:26px 4px}
  .stat:nth-child(2n){border-right:0}
  .faq-a{padding:0 18px 20px 18px}
  .faq-q{padding:16px 18px;font-size:15.5px;gap:10px}
  .cta-band{padding:28px 20px;border-radius:18px}
  .field-row{flex-direction:column}
  .btn{width:auto}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .hero-meta .chip{font-size:12px}
  .split-copy h3{font-size:20px}
  .faq-q .faq-idx{display:none}
}