:root {
  --bg: #080c18;
  --bg-2: #0d1428;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.10);
  --text: #eaf0ff;
  --muted: #9aa6c8;
  --accent-1: #ff4d6d;
  --accent-2: #7b5cff;
  --accent-3: #22d3ee;
  --accent-4: #ffb347;
  --radius: 18px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(1100px 600px at 12% -10%, rgba(123, 92, 255, 0.22), transparent 60%),
    radial-gradient(900px 550px at 95% 8%, rgba(34, 211, 238, 0.16), transparent 55%),
    radial-gradient(800px 600px at 55% 110%, rgba(255, 77, 109, 0.14), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Nav */
nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(8, 12, 24, 0.74);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .5px; }
.brand .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--accent-3));
  box-shadow: 0 0 16px rgba(123, 92, 255, .8);
}
.nav-links { display: flex; gap: 28px; color: var(--muted); font-size: 14px; }
.nav-links a { position: relative; }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); font-weight: 600; }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 2px;
  border-radius: 2px; background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
}
.nav-toggle {
  display: none; cursor: pointer; border: 1px solid var(--border); background: var(--panel);
  color: var(--text); width: 42px; height: 42px; border-radius: 10px; font-size: 18px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: 12px; font-size: 15px; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; transition: .2s ease;
}
.btn-primary { color: #fff; background: linear-gradient(120deg, var(--accent-1), var(--accent-2)); box-shadow: 0 8px 24px rgba(123, 92, 255, .3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(123, 92, 255, .45); }
.btn-ghost { color: var(--text); border-color: var(--border); background: var(--panel); }
.btn-ghost:hover { border-color: rgba(255,255,255,.28); background: var(--panel-strong); }

/* Hero */
.hero { padding: 84px 0 44px; text-align: center; position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--panel); color: var(--muted); font-size: 13px; margin-bottom: 24px;
}
.eyebrow b { color: var(--text); font-weight: 600; }
h1 {
  margin: 0 auto 18px; font-size: clamp(38px, 7vw, 70px); line-height: 1.06; letter-spacing: -1px; font-weight: 800;
  background: linear-gradient(100deg, #fff 5%, #cfe3ff 35%, #b7a6ff 60%, #7fe4f5 95%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { max-width: 760px; margin: 0 auto 30px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Page header (inner pages) */
.page-head { padding: 72px 0 28px; text-align: center; }
.page-head h1 { font-size: clamp(32px, 5vw, 52px); margin-bottom: 14px; }
.page-head p { color: var(--muted); max-width: 680px; margin: 0 auto; font-size: 16px; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; max-width: 940px; margin: 0 auto; }
.stat { padding: 22px 12px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--panel); }
.stat .num {
  font-size: 34px; font-weight: 800; letter-spacing: -.5px;
  background: linear-gradient(120deg, var(--accent-4), var(--accent-1), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat .lbl { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* Sections */
section { padding: 62px 0 10px; }
.sec-head { text-align: center; margin-bottom: 40px; }
.sec-head h2 { font-size: 30px; margin: 0 0 10px; letter-spacing: -.4px; }
.sec-head p { color: var(--muted); margin: 0; font-size: 15px; }

/* Filters */
.filters { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.filters button {
  cursor: pointer; border: 1px solid var(--border); background: var(--panel); color: var(--muted);
  padding: 8px 18px; border-radius: 999px; font-size: 14px; transition: .2s ease;
}
.filters button:hover { color: var(--text); border-color: rgba(255,255,255,.25); }
.filters button.active { color: #fff; border-color: transparent; background: linear-gradient(120deg, var(--accent-1), var(--accent-2)); }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  position: relative; overflow: hidden; padding: 24px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--panel);
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,.22); background: var(--panel-strong); }
.card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(340px 140px at var(--mx, 50%) 0%, rgba(123,92,255,.16), transparent 70%);
  opacity: 0; transition: opacity .3s ease;
}
.card:hover::after { opacity: 1; }
.card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.logo {
  width: 42px; height: 42px; border-radius: 11px; flex: 0 0 auto; display: grid; place-items: center;
  font-weight: 800; font-size: 17px; color: #fff;
  background: linear-gradient(135deg, var(--g1), var(--g2)); box-shadow: 0 6px 20px rgba(0,0,0,.3);
}
.ver { font-size: 12px; color: var(--muted); background: rgba(255,255,255,.05); padding: 3px 9px; border-radius: 999px; }
.card h3 { margin: 0 0 2px; font-size: 19px; letter-spacing: -.2px; }
.company { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.desc { color: #cdd7f0; font-size: 14px; margin: 0 0 16px; min-height: 66px; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 16px; }
.tag { font-size: 12px; padding: 4px 10px; border-radius: 7px; border: 1px solid var(--border); color: var(--muted); }
.tag.hl { color: #ffe6ec; border-color: rgba(255,77,109,.4); background: rgba(255,77,109,.12); }
.strength { border-top: 1px dashed var(--border); padding-top: 13px; }
.strength span { font-size: 12px; color: var(--muted); display: block; margin-bottom: 3px; }
.strength b { font-size: 13px; font-weight: 600; color: #eaf0ff; }
.card.hidden { display: none; }

/* Table */
.table-card { border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); overflow: hidden; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 15px 18px; text-align: left; }
thead th { background: rgba(255,255,255,.04); color: var(--muted); font-weight: 600; font-size: 13px; }
tbody tr { border-top: 1px solid var(--border); }
td b { color: var(--text); }
.score { font-variant-numeric: tabular-nums; font-weight: 700; }
.bar { height: 6px; border-radius: 999px; background: rgba(255,255,255,.08); margin-top: 8px; overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent-2), var(--accent-3)); }
.note { color: var(--muted); font-size: 12px; padding: 14px 18px; border-top: 1px solid var(--border); }

/* Insights */
.insights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.insight { padding: 24px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--panel); }
.insight .ico { font-size: 24px; margin-bottom: 12px; }
.insight h3 { margin: 0 0 8px; font-size: 17px; }
.insight p { color: var(--muted); font-size: 14px; margin: 0; }

/* Prose (about page) */
.prose { max-width: 800px; margin: 0 auto; }
.prose h2 { font-size: 24px; margin: 40px 0 12px; }
.prose p { color: var(--muted); margin: 0 0 16px; }
.prose ul { color: var(--muted); padding-left: 20px; margin: 0 0 16px; }
.prose li { margin-bottom: 8px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; max-width: 900px; margin: 0 auto; }
.panel { border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); padding: 26px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 11px; border: 1px solid var(--border);
  background: rgba(0,0,0,.22); color: var(--text); font-size: 14px; font-family: inherit; resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent-2); }
.contact-info p { color: var(--muted); margin: 0 0 12px; font-size: 14px; }
.contact-info b { color: var(--text); }

/* CTA band */
.cta { text-align: center; padding: 46px 26px; border-radius: var(--radius); border: 1px solid var(--border);
  background: linear-gradient(120deg, rgba(255,77,109,.14), rgba(123,92,255,.14)); }
.cta h2 { margin: 0 0 10px; font-size: 26px; }
.cta p { color: var(--muted); margin: 0 0 20px; }

/* Footer */
footer { margin-top: 74px; border-top: 1px solid var(--border); padding: 40px 0 46px; background: rgba(0,0,0,.18); }
.footer-top { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: flex-start; margin-bottom: 24px; }
.footer-brand .brand { margin-bottom: 10px; }
.footer-brand p { color: var(--muted); font-size: 13px; margin: 0; max-width: 360px; }
.footer-col h4 { margin: 0 0 12px; font-size: 14px; }
.footer-col a { display: block; color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 20px; display: flex; flex-wrap: wrap; gap: 18px;
  align-items: center; justify-content: space-between; color: var(--muted); font-size: 13px; }
.beian { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.beian a { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); }
.beian a:hover { color: var(--text); }
.gongan-icon {
  display: inline-flex; align-items: center; justify-content: center; width: 18px; height: 20px;
  background: #c00000; color: #fff; font-size: 9px; font-weight: 700; line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 50% 100%, 0 72%);
}

/* Reveal */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .grid, .insights { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .nav-links {
    position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: rgba(8,12,24,.97); border-bottom: 1px solid var(--border); padding: 8px 24px 16px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; }
  .nav-toggle { display: grid; place-items: center; }
  .grid, .insights { grid-template-columns: 1fr; }
}