:root{
  --bg:#070A12;
  --panel: rgba(255,255,255,.06);
  --panel-2: rgba(255,255,255,.08);
  --text:#EAF0FF;
  --muted: rgba(234,240,255,.72);
  --muted-2: rgba(234,240,255,.55);
  --line: rgba(255,255,255,.12);
  --shadow: 0 18px 60px rgba(0,0,0,.45);

  --primary:#6C5CE7;
  --primary-2:#00D2FF;
  --accent:#22C55E;
  --danger:#EF4444;

  --radius: 18px;
  --radius-sm: 12px;
  --max: 1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", sans-serif;
  background:
    radial-gradient(1100px 600px at 20% -10%, rgba(108,92,231,.45), transparent 60%),
    radial-gradient(900px 560px at 90% 0%, rgba(0,210,255,.35), transparent 55%),
    radial-gradient(700px 500px at 60% 100%, rgba(34,197,94,.18), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; }
button{ font: inherit; }

.skip-link{
  position:absolute;
  top:-40px;
  left: 12px;
  background: #111827;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  z-index: 99;
}
.skip-link:focus{ top: 12px; }

.container{
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(7,10,18,.72);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
}
.brand-small .brand-text span{ display:none; }

.brand-mark{
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background:
    radial-gradient(14px 14px at 30% 30%, rgba(255,255,255,.95), rgba(255,255,255,.15) 60%, transparent 70%),
    linear-gradient(135deg, rgba(108,92,231,1), rgba(0,210,255,1));
  box-shadow: 0 16px 45px rgba(108,92,231,.35);
  border: 1px solid rgba(255,255,255,.18);
}
.brand-text strong{
  font-size: 16px;
  letter-spacing:.2px;
}
.brand-text span{
  display:block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--muted-2);
}

.nav{
  display:flex;
  gap: 18px;
  align-items:center;
}
.nav a{
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.nav a:hover{
  background: rgba(255,255,255,.06);
  color: var(--text);
  transform: translateY(-1px);
}

.menu-btn{
  display:none;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  cursor:pointer;
}
.menu-btn span{
  display:block;
  width: 18px;
  height: 2px;
  background: rgba(234,240,255,.86);
  margin: 0 auto;
  border-radius: 99px;
}
.menu-btn span:nth-child(1){ margin-top: 14px; }
.menu-btn span:nth-child(2){ margin-top: 6px; opacity: .9; }
.menu-btn span:nth-child(3){ margin-top: 6px; opacity: .75; }

.mobile-menu{
  display:none;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(7,10,18,.88);
}
.mobile-menu-inner{
  padding: 12px 0 20px;
  display:flex;
  flex-direction: column;
  gap: 10px;
}
.mobile-menu a{
  color: var(--muted);
  padding: 12px 12px;
  border-radius: 14px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
}

.hero{
  padding: 52px 0 30px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 22px;
  align-items: start;
}
.hero-copy h1{
  font-size: 46px;
  line-height: 1.12;
  margin: 14px 0 12px;
  letter-spacing: -0.5px;
}
.gradient-text{
  background: linear-gradient(90deg, rgba(108,92,231,1), rgba(0,210,255,1));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub{
  color: var(--muted);
  font-size: 16px;
  max-width: 560px;
  margin: 0 0 22px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: var(--muted);
  font-size: 13px;
}
.hero-actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-bullets{
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted-2);
}
.hero-bullets li{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  padding: 10px 12px;
  border-radius: 999px;
  font-size: 13px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  cursor:pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  background: linear-gradient(135deg, rgba(108,92,231,.95), rgba(0,210,255,.65));
  border-color: rgba(255,255,255,.18);
  box-shadow: 0 18px 48px rgba(108,92,231,.22);
}
.btn-secondary{
  background: rgba(255,255,255,.04);
  color: var(--muted);
}

.hero-card{
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-card-top{
  display:flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.mini-stat-value{
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.mini-stat-label{
  font-size: 13px;
  color: var(--muted-2);
  margin-top: 4px;
}
.mini-divider{
  width:1px;
  height: 42px;
  background: rgba(255,255,255,.12);
}

.hero-card-body{
  padding: 18px;
}
.hero-card-body h3{ margin: 10px 0 8px; }
.hero-card-body p{ color: var(--muted); margin: 0 0 14px; }

.sparkline{
  display:flex;
  gap: 8px;
  align-items: flex-end;
  height: 64px;
  margin-bottom: 10px;
}
.sparkline span{
  width: 10px;
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(0,210,255,.95), rgba(108,92,231,.25));
  opacity: .85;
  animation: wave 2.8s ease-in-out infinite;
}
.sparkline span:nth-child(1){ height: 18px; animation-delay: .0s; }
.sparkline span:nth-child(2){ height: 28px; animation-delay: .08s; }
.sparkline span:nth-child(3){ height: 20px; animation-delay: .16s; }
.sparkline span:nth-child(4){ height: 38px; animation-delay: .24s; }
.sparkline span:nth-child(5){ height: 30px; animation-delay: .32s; }
.sparkline span:nth-child(6){ height: 44px; animation-delay: .40s; }
.sparkline span:nth-child(7){ height: 34px; animation-delay: .48s; }
.sparkline span:nth-child(8){ height: 52px; animation-delay: .56s; }
.sparkline span:nth-child(9){ height: 40px; animation-delay: .64s; }
.sparkline span:nth-child(10){ height: 56px; animation-delay: .72s; }

@keyframes wave{
  0%, 100%{ filter: saturate(1); transform: translateY(0); opacity: .78; }
  50%{ filter: saturate(1.2); transform: translateY(-5px); opacity: 1; }
}

.tag-row{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 18px;
}
.tag{
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-size: 13px;
}
.hero-card-footer{
  display:flex;
  align-items: center;
  gap: 12px;
  color: var(--muted-2);
  font-size: 13px;
}
.dot{ width: 6px; height: 6px; border-radius: 99px; background: rgba(0,210,255,.9); box-shadow: 0 0 0 4px rgba(0,210,255,.18); }
.link-underline{
  position: relative;
  color: var(--text);
  padding-bottom: 2px;
}
.link-underline::after{
  content:"";
  position:absolute;
  left:0; bottom:0;
  width:100%; height: 2px;
  background: linear-gradient(90deg, rgba(108,92,231,1), rgba(0,210,255,1));
  transform: scaleX(.25);
  transform-origin: left;
  transition: transform .2s ease;
}
.link-underline:hover::after{ transform: scaleX(1); }

.section{
  padding: 58px 0;
}
.section-alt{
  background: rgba(255,255,255,.02);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.section-head{
  margin-bottom: 18px;
}
.section-head h2{
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.4px;
}
.section-head p{
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 740px;
}

.filters{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 18px 0 18px;
}
.filter-btn{
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  cursor:pointer;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}
.filter-btn:hover{ transform: translateY(-1px); }
.filter-btn.is-active{
  background: rgba(108,92,231,.24);
  border-color: rgba(0,210,255,.35);
  color: var(--text);
}

.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 12px;
}
.card{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  padding: 18px;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
  min-height: 210px;
  position: relative;
  overflow: hidden;
}
.card::after{
  content:"";
  position:absolute;
  inset:-60px -40px auto auto;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle at 30% 30%, rgba(0,210,255,.25), transparent 60%);
  opacity: 0;
  transition: opacity .18s ease;
}
.card:hover{
  transform: translateY(-4px);
  border-color: rgba(255,255,255,.18);
}
.card:hover::after{ opacity: 1; }
.card-icon{
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  font-size: 22px;
  margin-bottom: 12px;
}
.card h3{ margin: 0 0 8px; font-size: 17px; }
.card p{ margin: 0 0 14px; color: var(--muted); }
.card-meta{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}
.chip{
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: var(--muted-2);
  font-size: 12px;
}
.card-link{
  color: var(--text);
  font-weight: 600;
  position: relative;
  display:inline-block;
  padding-bottom: 2px;
}
.card-link::after{
  content:"";
  position:absolute;
  left:0; bottom:0;
  width:100%; height:2px;
  background: linear-gradient(90deg, rgba(108,92,231,1), rgba(0,210,255,1));
  transform: scaleX(.25);
  transform-origin:left;
  transition: transform .2s ease;
}
.card-link:hover::after{ transform: scaleX(1); }

.steps{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 18px;
}
.step{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding: 18px;
}
.step-num{
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: rgba(108,92,231,.16);
  border: 1px solid rgba(0,210,255,.22);
  color: var(--text);
  font-weight: 800;
}
.step h3{ margin: 12px 0 8px; }
.step p{ margin: 0; color: var(--muted); }

.callout{
  margin-top: 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(600px 180px at 20% 0%, rgba(108,92,231,.30), transparent 60%),
    radial-gradient(520px 180px at 90% 20%, rgba(0,210,255,.24), transparent 55%),
    rgba(255,255,255,.03);
  padding: 18px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
}
.callout h3{ margin: 0 0 8px; }
.callout p{ margin: 0; color: var(--muted); }
.callout-actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.about-grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 16px;
  margin-top: 18px;
}
.about-card{
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  padding: 18px;
}
.about-card h3{ margin: 0 0 10px; }
.about-card p{ margin: 0 0 14px; color: var(--muted); }
.checklist{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.checklist li{ margin: 10px 0; }

.about-metrics{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 18px;
  display:grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.metric-value{
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.6px;
}
.metric-label{
  color: var(--muted-2);
  margin-top: 4px;
  font-size: 13px;
}
.metric-foot{
  margin-top: 6px;
}
.muted{ color: var(--muted-2); }

.quotes{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 18px;
}
.quote{
  margin:0;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding: 18px;
}
.quote blockquote{
  margin:0;
  color: var(--text);
  font-weight: 600;
}
.quote figcaption{
  margin-top: 12px;
  color: var(--muted-2);
  font-size: 13px;
}

.contact-grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 16px;
  margin-top: 18px;
  align-items: start;
}
.contact-card{
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  padding: 18px;
}
.contact-card h3{ margin-top: 0; }
.form{
  display:flex;
  flex-direction: column;
  gap: 14px;
}
.form label{
  display:flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}
.form input, .form textarea{
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  color: var(--text);
  padding: 12px 12px;
  outline: none;
}
.form input:focus, .form textarea:focus{
  border-color: rgba(0,210,255,.38);
  box-shadow: 0 0 0 4px rgba(0,210,255,.12);
}
.form-actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}
.form-note{
  margin-top: 6px;
  min-height: 18px;
  color: var(--muted);
  font-size: 13px;
}

.contact-side{
  display:flex;
  flex-direction: column;
  gap: 16px;
}
.side-block{
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  padding: 18px;
}
.side-block h3{ margin-top: 0; }
.side-line{
  margin: 10px 0 0;
  display:flex;
  gap: 10px;
  align-items: baseline;
}
.side-label{
  width: 52px;
  color: var(--muted-2);
  font-size: 13px;
}
.side-line a{
  color: rgba(234,240,255,.9);
  border-bottom: 1px dashed rgba(234,240,255,.35);
}
.side-list{
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.side-list li{ margin: 8px 0; }

.site-footer{
  padding: 22px 0 32px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(7,10,18,.65);
}
.footer-inner{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 16px;
}
.brand-small{
  gap: 10px;
}
.footer-right{
  display:flex;
  gap: 18px;
  flex-wrap: wrap;
}
.footer-right a{
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}
.footer-right a:hover{
  border-color: rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: var(--text);
}

/* Responsive */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-copy h1{ font-size: 38px; }
  .cards{ grid-template-columns: repeat(2, 1fr); }
  .steps{ grid-template-columns: 1fr; }
  .quotes{ grid-template-columns: 1fr; }
  .about-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .callout{ flex-direction: column; align-items: flex-start; }
  .callout-actions{ justify-content: flex-start; }
}

@media (max-width: 720px){
  .nav{ display:none; }
  .menu-btn{ display:block; }
  .mobile-menu{ display:block; }
  .cards{ grid-template-columns: 1fr; }
}

.mobile-menu[aria-hidden="true"]{
  display:none;
}
.mobile-menu[aria-hidden="false"]{
  display:block;
}