/* WC Sprint v5.0 · 公共样式（5 个落地页共享） */
:root {
  --bg-0: #0b0d12;
  --bg-1: #11141c;
  --bg-2: #181c27;
  --line: #232a39;
  --text-0: #e8ecf3;
  --text-1: #aab2c0;
  --text-2: #6b7280;
  --accent: #10b981;
  --accent-2: #34d399;
  --warn: #f59e0b;
  --danger: #ef4444;
  --gold: #fbbf24;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg-0);
  color: var(--text-0);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Helvetica Neue", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.hero {
  text-align: center;
  padding: 48px 0 24px;
}
.hero h1 {
  font-size: 38px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  background: linear-gradient(120deg, #fff 0%, #aab2c0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .tagline {
  color: var(--text-1);
  font-size: 17px;
  max-width: 560px;
  margin: 0 auto;
}
.hero .badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(16,185,129,.12);
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  border: 1px solid rgba(16,185,129,.25);
}
.hero .badge.warn { background: rgba(245,158,11,.12); color: var(--warn); border-color: rgba(245,158,11,.25); }
.hero .badge.gold { background: rgba(251,191,36,.12); color: var(--gold); border-color: rgba(251,191,36,.25); }

.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #062a1f;
  padding: 16px 28px;
  border-radius: 12px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 24px 0 12px;
  transition: transform .12s, background .12s;
  box-shadow: 0 6px 20px rgba(16,185,129,.35);
}
.cta:hover { background: var(--accent-2); transform: translateY(-1px); color: #062a1f; }
.cta-sub {
  display: block;
  color: var(--text-2);
  font-size: 13px;
  margin-top: 6px;
}

.section {
  margin-top: 36px;
  padding: 24px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.section h2 {
  font-size: 20px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section h2 .emoji { font-size: 22px; }

.list { list-style: none; padding: 0; }
.list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text-1);
  display: flex;
  gap: 10px;
}
.list li:last-child { border-bottom: none; }
.list li::before {
  content: "•";
  color: var(--accent);
  font-weight: 800;
  flex-shrink: 0;
}

.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 16px; }
.stat {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}
.stat-value { font-size: 22px; font-weight: 700; color: var(--accent-2); }
.stat-label { color: var(--text-2); font-size: 12px; margin-top: 4px; }

.proof {
  font-family: "SF Mono", Monaco, Menlo, Consolas, monospace;
  font-size: 13px;
  color: var(--text-1);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  margin-top: 12px;
  white-space: pre-wrap;
  overflow-x: auto;
}

.note {
  margin-top: 24px;
  padding: 12px 16px;
  background: rgba(245,158,11,.08);
  border-left: 3px solid var(--warn);
  color: var(--text-1);
  font-size: 14px;
  border-radius: 6px;
}

footer {
  margin-top: 48px;
  text-align: center;
  color: var(--text-2);
  font-size: 12px;
}
footer a { color: var(--text-1); }

@media (max-width: 520px) {
  .hero h1 { font-size: 28px; }
  .stats { grid-template-columns: repeat(2,1fr); }
  .section { padding: 18px; }
}