:root{
  --bg:#F4F6F9;
  --card:#FFFFFF;
  --text:#1A2634;
  --text2:#3F4D5E;
  --muted:#5C6E81;
  --line:#D4DEE8;
  --line2:#E6EDF4;
  --primary:#1E2D3D;
  --primary2:#2C4054;
  --blue:#4A80E6;
  --blue-bg:rgba(74,128,230,.08);
  --purple:#7A5AF5;
  --purple-bg:rgba(122,90,245,.08);
  --green:#2FB583;
  --green-bg:rgba(47,181,131,.08);
  --amber:#EAA62E;
  --amber-bg:rgba(234,166,46,.10);
  --shadow-sm:0 2px 8px rgba(30,45,61,.05);
  --shadow:0 8px 28px rgba(30,45,61,.07);
  --shadow-lg:0 16px 48px rgba(30,45,61,.09);
  --radius:16px;
  --radius-lg:22px;
  --radius-sm:10px;
  --nav-h:72px;
  --spacing-section:80px;
  --spacing-card:28px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;font-size:16px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  color:var(--text);
  line-height:1.8;
  background:var(--bg)
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
p{margin:0}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:600}

.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section,.section-alt{padding:var(--spacing-section) 0}
.section-alt{background:linear-gradient(180deg,rgba(74,128,230,.015),transparent 60%)}
.section-sm{padding:48px 0}

h1{font-size:clamp(1.9rem,3.2vw,3.6rem);letter-spacing:-.03em}
h2{font-size:clamp(1.4rem,2vw,2.2rem);letter-spacing:-.02em}
h3{font-size:1.1rem}

.muted{color:var(--muted)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--primary2);
  font-weight:700;
  margin-bottom:12px
}
.eyebrow::before{
  content:"";
  width:30px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--blue),var(--purple))
}
.spectrum{
  height:3px;
  width:min(260px,100%);
  border-radius:999px;
  background:linear-gradient(90deg,var(--blue),var(--purple),var(--green),var(--amber));
  margin:16px 0 20px;
  box-shadow:0 3px 12px rgba(74,128,230,.13)
}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  transition:.3s ease
}
.card:hover{box-shadow:var(--shadow)}
.icard{padding:var(--spacing-card)}
.icard p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.8}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-weight:600;
  font-size:13px;
  transition:.25s ease;
  cursor:pointer;
  white-space:nowrap
}
.btn-p{
  background:var(--primary);
  color:#fff;
  box-shadow:0 6px 18px rgba(30,45,61,.14)
}
.btn-p:hover{transform:translateY(-1px);background:#15222F}
.btn-s{
  background:rgba(255,255,255,.78);
  color:var(--primary);
  border-color:var(--line);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px)
}
.btn-s:hover{border-color:#B0C2D4;transform:translateY(-1px)}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}

.tag{
  display:inline-flex;
  font-size:12px;
  border:1px solid var(--line2);
  background:var(--card);
  color:var(--primary2);
  padding:5px 12px;
  border-radius:999px;
  font-weight:500
}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

.bdg{
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-size:11px;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  white-space:nowrap;
  font-weight:600;
  cursor:default
}
.bdg.blue{background:var(--blue-bg);color:#3A6BC8;border-color:rgba(74,128,230,.2)}
.bdg.purple{background:var(--purple-bg);color:#6340D6;border-color:rgba(122,90,245,.2)}
.bdg.green{background:var(--green-bg);color:#1F8E66;border-color:rgba(47,181,131,.2)}
.bdg.amber{background:var(--amber-bg);color:#C88A1E;border-color:rgba(234,166,46,.2)}
.bdg.gen{background:rgba(148,163,184,.10);color:#4A5B6E;border-color:rgba(148,163,184,.18)}
.bdg.lk{cursor:pointer}
.bdg.lk:hover{filter:brightness(.9)}

.pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 13px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--muted);
  font-size:12px;
  cursor:pointer;
  transition:.2s
}
.pill:hover{border-color:var(--blue);color:var(--blue)}
.dot{width:7px;height:7px;border-radius:50%;flex:none}
.dot.bl{background:var(--blue)}
.dot.pu{background:var(--purple)}
.dot.gr{background:var(--green)}
.dot.am{background:var(--amber)}

.site-h{
  position:sticky;
  top:0;
  z-index:100;
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  background:rgba(244,246,249,.82);
  border-bottom:1px solid rgba(212,222,232,.7)
}
.h-inner{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo{
  width:36px;
  height:36px;
  border-radius:10px;
  flex-shrink:0;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center
}
.brand-logo img{width:100%;height:100%;object-fit:contain}
.brand-t{
  display:flex;
  flex-direction:column;
  justify-content:center;
  line-height:1.2
}
.brand-t strong{display:block;font-size:15px;color:var(--primary)}
.brand-t span{display:block;font-size:11px;color:var(--muted);margin-top:1px}
#pnav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
#pnav>ul>li>a{
  display:block;
  padding:8px 15px;
  border-radius:8px;
  color:var(--text2);
  font-weight:600;
  font-size:13px;
  transition:.2s;
  white-space:nowrap
}
#pnav>ul>li>a:hover{background:rgba(30,45,61,.04);color:var(--primary)}
#pnav>ul>li>a.act{background:rgba(30,45,61,.06);color:var(--primary)}

.mtog{
  display:none;
  width:38px;
  height:38px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:9px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  flex-shrink:0
}
.mnav{
  display:none;
  position:fixed;
  top:var(--nav-h);
  left:0;
  right:0;
  bottom:0;
  padding:12px 20px 24px;
  border-top:1px solid var(--line);
  background:rgba(244,246,249,.98);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  z-index:99;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch
}
.mnav.open{display:block}
.mnav ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.mnav a{
  display:block;
  padding:12px 16px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--text2);
  font-weight:600;
  font-size:13px
}
.mnav .sub a{
  font-weight:500;
  font-size:12px;
  color:var(--muted);
  border-color:transparent;
  background:transparent;
  padding-left:28px
}

/* ===== Hero ===== */
.hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 120px
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(1000px 450px at -5% -8%,rgba(74,128,230,.05),transparent 50%),
    radial-gradient(900px 400px at 105% 0%,rgba(122,90,245,.04),transparent 45%);
  pointer-events:none
}
.hg{
  display:grid;
  grid-template-columns:1fr .88fr;
  gap:64px;
  align-items:start
}
.hc{
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:80px 0
}
.ht{max-width:15ch}
.slogan{font-size:15px;color:var(--muted);font-style:italic;margin-top:8px;letter-spacing:.04em}
.hsub{
  margin-top:20px;
  font-size:1.02rem;
  color:var(--muted);
  max-width:58ch;
  line-height:1.85
}
.hmeta{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}

/* ===== Dashboard ===== */
.hp{
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.65),rgba(255,255,255,.9)),
    radial-gradient(1000px 400px at 50% 0%,rgba(74,128,230,.05),transparent 60%);
  border:1px solid rgba(212,222,232,.82);
  box-shadow:var(--shadow);
  padding:44px 32px;
  display:flex;
  flex-direction:column
}
.hp-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-bottom:18px;
  font-size:12px;
  color:var(--muted)
}
.hp-body{flex:1;display:flex;flex-direction:column;gap:22px}

.dash-img{
  position:relative;
  overflow:hidden;
  border-radius:12px;
  min-height:200px;
  background:rgba(148,163,184,.04);
  border:2px dashed var(--line)
}
.dash-slide{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  opacity:0;
  animation:dashFade 9s infinite;
  font-size:13px;
  font-weight:500;
  color:var(--muted)
}
.dash-slide:nth-child(1){animation-delay:0s;background:linear-gradient(135deg,rgba(74,128,230,.06),rgba(74,128,230,.01))}
.dash-slide:nth-child(2){animation-delay:3s;background:linear-gradient(135deg,rgba(122,90,245,.06),rgba(122,90,245,.01))}
.dash-slide:nth-child(3){animation-delay:6s;background:linear-gradient(135deg,rgba(47,181,131,.06),rgba(47,181,131,.01))}
@keyframes dashFade{
  0%,33.33%{opacity:1}
  33.34%,100%{opacity:0}
}

.dash-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px
}

.dash-qcard{
  background:#fff;
  border:1px solid var(--line2);
  border-radius:14px;
  padding:22px 22px 24px;
  transition:.2s ease;
  cursor:pointer;
  display:block;
  text-decoration:none
}
.dash-qcard:hover{
  border-color:#C4D4E4;
  box-shadow:var(--shadow-sm);
  transform:translateY(-1px)
}
.dash-qcard .dq-eyebrow{
  font-size:10px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--primary2);
  font-weight:700;
  margin-bottom:4px;
  display:flex;
  align-items:center;
  gap:6px
}
.dash-qcard .dq-eyebrow::before{
  content:"";
  width:16px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--blue),var(--purple))
}
.dash-qcard h4{font-size:15px;margin-bottom:6px;color:var(--primary)}
.dash-qcard .dq-spec{height:2px;width:60px;border-radius:999px;margin:6px 0 10px}
.dash-qcard .dq-spec.osl{background:linear-gradient(90deg,#4D8DFF,#7C5CFF)}
.dash-qcard .dq-spec.c14{background:linear-gradient(90deg,#7C5CFF,#34C38F)}
.dash-qcard .dq-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:8px;
  font-size:14px;
  color:var(--muted);
  line-height:1.8
}
.dash-qcard .dq-grid .dq-item strong{
  display:block;
  color:var(--text);
  font-weight:600;
  font-size:12px;
  margin-bottom:2px;
  margin-right:0
}

.fcard{
  position:relative;
  padding:24px;
  overflow:hidden;
  display:block;
  transition:.3s ease;
  border-radius:var(--radius)
}
.fcard:hover{
  transform:translateY(-2px);
  border-color:#B8CCE0;
  box-shadow:var(--shadow-lg)
}
.fcard::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:100%;
  height:3px;
  background:linear-gradient(90deg,var(--blue),var(--purple),var(--green),var(--amber));
  opacity:.85
}
.fcard .fi{
  width:48px;
  height:48px;
  border-radius:12px;
  display:grid;
  place-items:center;
  margin-bottom:14px;
  background:linear-gradient(180deg,#fff,#F4F8FE);
  border:1px solid var(--line)
}
.fcard .fi.lg{
  width:64px;
  height:64px;
  border-radius:14px
}
.fcard h3{font-size:1.04rem;margin-bottom:6px}
.fcard p{color:var(--muted);font-size:13px;line-height:1.7}
.fcard .lk{
  display:inline-flex;
  align-items:center;
  gap:5px;
  margin-top:14px;
  color:var(--blue);
  font-weight:600;
  font-size:13px
}

.pl{display:flex;flex-direction:column;gap:10px}
.pst{
  padding:14px 16px;
  display:flex;
  gap:12px;
  align-items:flex-start;
  justify-content:space-between;
  transition:.22s ease;
  border-radius:12px;
  border:1px solid var(--line2);
  background:var(--card);
  cursor:pointer
}
.pst:hover{
  transform:translateY(-1px);
  border-color:#C4D4E4;
  background:#FAFCFE
}
.pst .l{flex:1;min-width:0}
.pst .tt{font-weight:700;margin-bottom:3px;font-size:13px}
.pst .mt{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-bottom:4px;
  font-size:11px;
  color:var(--muted)
}
.pst .ex{color:var(--muted);font-size:12px;line-height:1.6}

.placeholder-card{
  text-align:center;
  padding:40px 32px;
  background:var(--card);
  border:1px solid var(--line2);
  border-radius:var(--radius)
}
.placeholder-card p{color:var(--muted);font-size:14px;margin-top:8px}
.placeholder-card .fi{ margin:0 auto 12px }

.g2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sh{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  margin-bottom:32px
}
.sh p{max-width:56ch;font-size:14px;color:var(--muted)}

/* ===== Footer ===== */
footer{
  padding:32px 0 0;
  border-top:1px solid var(--line);
  color:var(--muted);
  background:var(--card)
}
.footer-grid{
  display:grid;
  grid-template-columns:auto auto 1fr auto auto auto;
  gap:26px;
  align-items:start
}
.footer-spacer{} /* 桌面端正常显示，移动端隐藏 */
.footer-brand strong{display:block;font-size:15px;color:var(--primary);margin-bottom:2px}
.footer-brand .en{font-size:11px;color:var(--muted);margin-bottom:10px}
.footer-brand .info{font-size:12px;color:var(--muted);line-height:1.7}
.footer-brand .info .info-row{display:flex;align-items:flex-start;gap:8px}
.footer-brand .info .info-label{flex-shrink:0;color:var(--text2);font-weight:600}
.footer-col h4{font-size:13px;color:var(--primary);margin-bottom:12px;font-weight:600}
.footer-col a{display:block;font-size:13px;color:var(--muted);margin-bottom:9px;transition:.2s}
.footer-col a:hover{color:var(--primary)}
.footer-qr{text-align:center}
.footer-qr .qr-box{
  width:80px;
  height:80px;
  margin:0 auto 6px;
  border-radius:12px;
  background:rgba(148,163,184,.06);
  border:2px dashed var(--line);
  display:grid;
  place-items:center;
  overflow:hidden
}
.footer-qr .qr-box img{width:100%;height:100%;object-fit:cover}
.footer-qr span{font-size:11px;color:var(--muted)}
.footer-legal{
  margin-top:22px;
  padding:12px 0;
  border-top:1px solid var(--line2);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:8px 20px;
  font-size:12px;
  color:var(--muted)
}
.footer-legal a{color:var(--muted);transition:.2s}
.footer-legal a:hover{color:var(--primary)}
.footer-legal .beian-icon{display:inline;width:16px;height:16px;vertical-align:-3px;margin-right:2px}
.footer-legal .beian-wrap{white-space:nowrap}
.footer-legal .sep{color:#B0C2D4}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .hg,.g3,.g2{grid-template-columns:1fr}
  .ht{max-width:100%}
  .sh{align-items:flex-start;flex-direction:column}
  .hp{min-height:auto}
  .dash-row{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr 1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:768px){
  #pnav{display:none}
  .mtog{display:flex}
  .hero{padding:24px 0 56px}
  .section,.section-alt{padding:52px 0}

  .footer-grid{
    grid-template-columns:1fr 1fr 1fr 1fr;
    gap:14px
  }
  .footer-spacer{display:none}
  .footer-brand{grid-column:1/-1}

  .footer-legal{
    flex-direction:column;
    align-items:center;
    gap:6px;
    text-align:center
  }
  .footer-legal .sep{display:none}

  .container{padding:0 20px}
  .hg{gap:36px}
  .hc{padding:40px 0}
  .brand-t span{font-size:10px}
  .dash-row{grid-template-columns:1fr}
}
@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:12px}
  .footer-brand{grid-column:auto}
  .footer-legal{font-size:11px}
  .hc{padding:20px 0}
  .brand-t strong{font-size:13px}
  .brand-t span{font-size:9px;display:block}
}