:root {
  --bg: #0b1020;
  --bg-soft: #121a31;
  --card: #16203a;
  --text: #e8eeff;
  --muted: #9aa8c7;
  --line: rgba(255, 255, 255, 0.08);
  --brand: #6366f1;
  --brand-2: #22d3ee;
  --ok: #34d399;
  --warn: #fbbf24;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --max: 1100px;
  font-family: "SF Pro Display", "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(99, 102, 241, 0.28), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(34, 211, 238, 0.18), transparent 50%),
    var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.container {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(11, 16, 32, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand small { color: var(--muted); font-weight: 500; }
.logo {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}
.nav nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.nav nav a { color: var(--muted); font-size: 0.95rem; }
.nav nav a:hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), #818cf8);
  color: white;
  font-weight: 600;
  border: 0;
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.35);
}
.btn:hover { filter: brightness(1.05); }
.btn-sm { padding: 0.55rem 1rem; font-size: 0.9rem; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  box-shadow: none;
  color: var(--text);
}

.hero {
  padding: 4.5rem 0 3rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 2rem;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  color: var(--brand-2);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  margin: 0 0 1rem;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
}
.gradient {
  background: linear-gradient(90deg, #a5b4fc, #67e8f9);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 36rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1.25rem;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0;
  margin: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent), var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow);
}
.hero-card h3 { margin: 0.5rem 0 1rem; }
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.82rem;
  background: rgba(251, 191, 36, 0.12);
  color: var(--warn);
  border: 1px solid rgba(251, 191, 36, 0.25);
}
.status-pill.ok {
  background: rgba(52, 211, 153, 0.12);
  color: var(--ok);
  border-color: rgba(52, 211, 153, 0.25);
}
.kv { margin: 0; }
.kv > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
}
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; }
.hint {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.section { padding: 3.5rem 0; }
.section.alt {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
}
.section-desc {
  color: var(--muted);
  margin: 0 0 1.75rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.card .icon { font-size: 1.5rem; margin-bottom: 0.5rem; }
.card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.client-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.9rem;
}
.client {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.1rem 1.15rem;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.client:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.55);
}
.client span { color: var(--muted); font-size: 0.88rem; }

.steps {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}
.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 1rem;
  padding: 1.1rem 1.2rem;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  counter-increment: step;
}
.steps li::before {
  content: counter(step);
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  font-weight: 700;
  grid-row: span 2;
  align-self: center;
}
.steps { counter-reset: step; }
.steps h3 { margin: 0; font-size: 1.05rem; }
.steps p { margin: 0; color: var(--muted); grid-column: 2; }

.panel {
  background: #0a0f1d;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  overflow: auto;
}
.panel h3 { margin: 0 0 0.75rem; }
.panel pre {
  margin: 0;
  color: #c7d2fe;
  font-size: 0.9rem;
  white-space: pre-wrap;
}

.status-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem 1.4rem;
}
.status-box p { margin: 0.4rem 0; }
.muted { color: var(--muted); font-size: 0.92rem; }

.footer {
  padding: 2rem 0 2.5rem;
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .nav nav a:not(.btn) { display: none; }
}

@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr; }
}