:root {
  --bg: #06111d;
  --panel: rgba(12, 24, 42, 0.78);
  --panel-strong: #0f2138;
  --line: rgba(108, 179, 255, 0.18);
  --text: #e9f2ff;
  --muted: #9eb4d1;
  --primary: #38bdf8;
  --primary-2: #22d3ee;
  --success: #22c55e;
  --warn: #f59e0b;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #0b1830 0%, #05101a 48%, #040912 100%);
}
a { color: var(--primary); text-decoration: none; }
a:hover { opacity: 0.92; }
.container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.bg-grid {
  position: fixed; inset: 0; z-index: -1;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, rgba(0,0,0,0.8), transparent 85%);
}
.hero { padding: 72px 0 28px; }
.hero-inner { display: grid; grid-template-columns: 1.35fr 0.9fr; gap: 28px; align-items: center; }
.eyebrow {
  display: inline-block; margin: 0 0 14px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px;
  color: var(--primary-2); font-size: 13px; letter-spacing: .08em; text-transform: uppercase;
}
.hero h1 { margin: 0 0 16px; font-size: clamp(34px, 6vw, 58px); line-height: 1.06; }
.hero-desc { color: var(--muted); font-size: 17px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 18px;
  border-radius: 12px; font-weight: 700; border: 1px solid transparent; transition: .2s ease;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #041019; }
.btn-secondary { background: rgba(255,255,255,0.04); color: var(--text); border-color: var(--line); }
.btn-small { min-height: 42px; }
.trust-strip { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; color: var(--muted); font-size: 14px; }
.trust-strip span { padding: 8px 10px; background: rgba(255,255,255,0.04); border: 1px solid var(--line); border-radius: 10px; }
.hero-panel-card, .info-card, .mono-card, .style-card, .network-card, .promo-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); backdrop-filter: blur(10px);
}
.hero-panel-card { padding: 24px; }
.panel-title { font-size: 18px; font-weight: 800; margin-bottom: 12px; }
.hero-panel-card ul { margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.8; }
.pulse-card { position: relative; overflow: hidden; }
.pulse-card::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit;
  background: linear-gradient(120deg, transparent 0%, rgba(56,189,248,0.22) 45%, transparent 100%);
  transform: translateX(-100%); animation: pulseMove 3.8s linear infinite;
}
@keyframes pulseMove { to { transform: translateX(100%); } }
.section { padding: 28px 0 36px; }
.urgent-banner {
  display: flex; gap: 20px; justify-content: space-between; align-items: center; padding: 20px 22px;
  border-radius: 18px; background: linear-gradient(90deg, rgba(56,189,248,0.12), rgba(34,211,238,0.08)); border: 1px solid var(--line);
}
.urgent-title { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.urgent-text { color: var(--muted); line-height: 1.7; }
.section-head { margin-bottom: 22px; }
.section-head h2 { margin: 0 0 8px; font-size: clamp(26px, 4vw, 38px); }
.section-head p { margin: 0; color: var(--muted); line-height: 1.8; }
.network-grid, .info-grid, .monetization-grid { display: grid; gap: 18px; }
.network-grid { grid-template-columns: repeat(4, 1fr); }
.info-grid, .monetization-grid { grid-template-columns: repeat(3, 1fr); }
.network-card { padding: 22px; }
.network-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 18px; }
.network-name { font-size: 22px; font-weight: 800; }
.network-tag { padding: 6px 10px; border-radius: 999px; font-size: 12px; font-weight: 800; }
.tag-mobile { background: rgba(34,197,94,0.16); color: #7ef0a6; }
.tag-unicom { background: rgba(59,130,246,0.16); color: #8bc0ff; }
.tag-telecom { background: rgba(245,158,11,0.16); color: #ffd18a; }
.tag-general { background: rgba(168,85,247,0.16); color: #d8b4fe; }
.network-list { display: grid; gap: 12px; }
.data-row { padding: 12px 14px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-radius: 12px; }
.data-label { font-size: 12px; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .05em; }
.data-value { font-size: 16px; font-weight: 700; word-break: break-all; }
.domain-value { margin-bottom: 10px; }
.data-actions { display: flex; gap: 10px; }
.copy-btn {
  appearance: none;
  border: 1px solid rgba(56,189,248,0.28);
  background: rgba(56,189,248,0.08);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 700;
  transition: .2s ease;
}
.copy-btn:hover { border-color: rgba(56,189,248,0.6); background: rgba(56,189,248,0.14); }
.copy-btn.copied { background: rgba(34,197,94,0.16); border-color: rgba(34,197,94,0.45); color: #b8ffcf; }
.info-card, .mono-card, .style-card { padding: 22px; }
.info-card h3, .mono-card h3, .style-card h2 { margin-top: 0; }
.info-card p, .mono-card p, .style-card p, .style-card li { color: var(--muted); line-height: 1.8; }
.promo-card {
  display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; padding: 24px; color: inherit;
  transition: transform .2s ease, border-color .2s ease;
}
.promo-card:hover { transform: translateY(-3px); border-color: rgba(56,189,248,0.4); }
.promo-badge { padding: 8px 12px; border-radius: 999px; background: rgba(34,211,238,0.12); color: var(--primary-2); font-weight: 800; font-size: 12px; }
.promo-main h3 { margin: 0 0 8px; }
.promo-main p { margin: 0 0 8px; color: var(--muted); }
.promo-link { color: var(--primary); font-weight: 700; }
.promo-cta { font-weight: 800; color: var(--text); }
.footer { padding: 22px 0 40px; border-top: 1px solid rgba(255,255,255,0.06); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.footer p { color: var(--muted); margin: 8px 0 0; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
@media (max-width: 980px) {
  .hero-inner, .network-grid, .info-grid, .monetization-grid { grid-template-columns: 1fr; }
  .urgent-banner, .promo-card, .footer-inner { grid-template-columns: 1fr; flex-direction: column; align-items: flex-start; }
}