:root {
  --bg-1: #03060b;
  --bg-2: #070d16;
  --bg-3: #0b1320;
  --panel: rgba(10, 18, 20, 0.78);
  --panel-2: rgba(12, 24, 28, 0.9);
  --line: rgba(71, 255, 143, 0.12);
  --line-strong: rgba(255, 187, 78, 0.24);
  --text: #effaf3;
  --muted: #90a89a;
  --green: #39ff88;
  --green-2: #17c964;
  --gold: #39ff88;
  --gold-2: #12e36a;
  --shadow: 0 20px 80px rgba(0,0,0,0.5);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, rgba(57,255,136,0.10), transparent 20%), radial-gradient(circle at top right, rgba(246,199,98,0.08), transparent 18%), linear-gradient(180deg, var(--bg-1), var(--bg-2) 52%, var(--bg-3));
}
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(circle at center, rgba(0,0,0,0.88), transparent 88%);
}
.bg-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(circle at 22% 18%, rgba(57,255,136,0.12), transparent 18%), radial-gradient(circle at 78% 16%, rgba(246,199,98,0.10), transparent 16%);
}
.site-header {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(3, 6, 11, 0.58);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.nav-wrap { display: flex; justify-content: space-between; align-items: center; gap: 18px; min-height: 74px; }
.brand-wrap { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-weight: 900; color: #041009; background: linear-gradient(135deg, #58ff9f, #39ff88 55%, #12e36a 100%); box-shadow: 0 0 34px rgba(57,255,136,0.32);
}
.brand-title { font-size: 22px; font-weight: 900; letter-spacing: .04em; }
.brand-sub { color: var(--muted); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }
.nav-links { display: flex; flex-wrap: wrap; gap: 18px; color: var(--muted); }
.nav-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.header-btn, .mini-btn, .btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 18px; border-radius: 12px; font-weight: 800; border: 1px solid transparent; transition: .2s ease;
}
.header-btn, .btn-primary, .mini-btn-primary {
  background: linear-gradient(135deg, #7dffb7, #39ff88 55%, #12e36a 100%);
  color: #07110b;
  box-shadow: 0 0 26px rgba(57,255,136,0.28);
}
.btn-secondary, .mini-btn {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.08);
  color: var(--text);
}
.hero-section, .section, .usage-section { padding: 40px 0; }
.compact-section { padding: 34px 0; }
.hero-grid, .usage-wrap { display: grid; grid-template-columns: 1.12fr 0.88fr; gap: 18px; align-items: start; }
.eyebrow {
  display: inline-block; padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line-strong);
  color: #bcffdc; font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
}
.hero-section h1, .usage-section h1 { margin: 12px 0; font-size: clamp(30px, 4.2vw, 48px); line-height: 1.08; }
.hero-desc, .usage-tip { color: var(--muted); line-height: 1.72; font-size: 15px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.tag-row span {
  padding: 7px 10px; border-radius: 999px; background: rgba(57,255,136,0.07); border: 1px solid rgba(57,255,136,0.14); color: #d4ffe8; font-size: 13px;
}
.cyber-card {
  background: linear-gradient(180deg, rgba(10,18,20,0.92), rgba(12,24,28,0.9));
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 20px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.cyber-card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  border: 1px solid rgba(57,255,136,0.08);
}
.compact-panel, .info-card, .adv-card, .faq-item, .cta-card, .usage-card { padding: 18px; }
.panel-head { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.green { background: var(--green); }
.dot.gold { background: var(--gold); }
.dot.line { background: rgba(255,255,255,0.28); }
.panel-title { margin-left: 8px; color: #d6eedd; font-size: 12px; letter-spacing: .16em; }
.ai-signal-bar { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.ai-signal-bar span {
  padding: 6px 10px; border-radius: 999px; background: rgba(57,255,136,0.08); border: 1px solid rgba(57,255,136,0.16); color: #bcffdc; font-size: 12px;
}
.hero-metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 12px; }
.hero-metric-row div {
  padding: 10px; border-radius: 14px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.05);
}
.hero-metric-row strong { color: #7dffb7; }
.hero-metric-row span { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }
.ai-console {
  margin-top: 14px; padding: 14px 16px; border-radius: 16px; background: rgba(0,0,0,0.24); border: 1px solid rgba(57,255,136,0.14);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; color: #a4ffca; line-height: 1.75; font-size: 13px;
}
.progress-wrap { margin-top: 14px; }
.progress-label { color: #cfe9d7; font-size: 12px; letter-spacing: .12em; margin-bottom: 8px; }
.progress-bar {
  width: 100%; height: 10px; border-radius: 999px; background: rgba(255,255,255,0.05); overflow: hidden; border: 1px solid rgba(255,255,255,0.06);
}
.progress-bar span {
  display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--green), var(--gold)); box-shadow: 0 0 16px rgba(57,255,136,0.25);
}
.progress-value { margin-top: 6px; color: var(--muted); font-size: 13px; }
.section-head { margin-bottom: 14px; }
.section-head h2 { margin: 10px 0 8px; font-size: clamp(26px, 4vw, 38px); }
.section-head p { margin: 0; color: var(--muted); line-height: 1.7; }
.card-grid, .adv-grid, .faq-list, .flow-grid { display: grid; gap: 14px; }
.card-grid { grid-template-columns: repeat(3, 1fr); }
.adv-grid { grid-template-columns: repeat(4, 1fr); }
.info-card, .adv-card, .faq-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
}
.card-index {
  display: inline-block; font-weight: 900; font-size: 22px; color: var(--gold); margin-bottom: 10px;
}
.info-card p, .adv-card p, .faq-item p, .flow-step p { color: var(--muted); line-height: 1.75; }
.adv-card span { color: var(--green); font-weight: 900; font-size: 20px; display: inline-block; margin-bottom: 8px; }
.quote-card { text-align: center; font-size: 22px; font-weight: 800; }
.flow-grid { grid-template-columns: repeat(4, 1fr); }
.flow-step {
  padding: 16px; border-radius: 16px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
}
.flow-step span { display: inline-block; color: #7dffb7; font-weight: 900; font-size: 20px; margin-bottom: 10px; }
.cta-card { display: flex; justify-content: space-between; align-items: center; gap: 18px; }
.query-form { display: grid; gap: 14px; }
.query-form label { display: grid; gap: 8px; color: #d9f7e5; }
.query-form input {
  width: 100%; min-height: 48px; border-radius: 12px; padding: 0 14px; border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04); color: #fff; outline: none;
}
.usage-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 8px; }
.site-footer { padding: 24px 0 34px; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-wrap { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.footer-version, .footer-link { color: var(--muted); }
@media (max-width: 980px) {
  .nav-wrap, .footer-wrap, .cta-card { flex-direction: column; align-items: flex-start; }
  .hero-grid, .usage-wrap, .card-grid, .adv-grid, .flow-grid, .hero-metric-row, .usage-actions { grid-template-columns: 1fr; }
  .nav-links, .nav-actions { flex-wrap: wrap; }
}