/* 团帮帮官网 —— 极简风格，无外部依赖，移动端优先 */

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

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

a { color: #07c160; text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ---------- HERO ---------- */
.hero {
  background: linear-gradient(135deg, #f0faf3 0%, #e6f7eb 100%);
  padding: 60px 0 56px;
  text-align: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #07c160;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}
.brand-text {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
}

.hero-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
}
.hero-sub {
  font-size: 16px;
  color: #4a5568;
  margin-bottom: 28px;
}
.hero-cta {
  display: inline-block;
  font-size: 14px;
  color: #07c160;
  background: rgba(7, 193, 96, 0.1);
  padding: 8px 18px;
  border-radius: 999px;
}

/* ---------- 通用区块 ---------- */
.section {
  padding: 48px 0;
}
.section-alt {
  background: #fafafa;
}
.section h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #1a1a1a;
}
.section p {
  font-size: 15px;
  color: #4a5568;
  margin-bottom: 12px;
}
.section p:last-child { margin-bottom: 0; }

/* ---------- 功能列表 ---------- */
.features {
  list-style: none;
  display: grid;
  gap: 14px;
}
.features li {
  background: #fff;
  border: 1px solid #ecedef;
  border-radius: 12px;
  padding: 16px 18px;
  font-size: 15px;
  color: #4a5568;
}
.features li strong {
  display: block;
  color: #1a1a1a;
  font-size: 16px;
  margin-bottom: 4px;
  font-weight: 600;
}

/* ---------- FAQ ---------- */
.faq dt {
  font-weight: 600;
  color: #1a1a1a;
  margin-top: 18px;
  margin-bottom: 4px;
  font-size: 15px;
}
.faq dt:first-of-type { margin-top: 0; }
.faq dd {
  color: #4a5568;
  font-size: 15px;
  padding-left: 0;
}

/* ---------- Footer ---------- */
.footer {
  background: #f5f6f8;
  padding: 32px 0;
  color: #718096;
  font-size: 13px;
  text-align: center;
}
.footer p { margin-bottom: 8px; }
.footer p:last-child { margin-bottom: 0; }
.footer a { color: #718096; }
.footer .sep { margin: 0 8px; color: #cbd5e0; }
.legal-links a { color: #4a5568; }
.safety-note { font-size: 12px; color: #a0aec0; margin-top: 8px; }

/* ---------- 隐私 / 服务协议页 ---------- */
.legal-page { padding: 40px 0 60px; }
.legal-page h1 { font-size: 24px; font-weight: 700; margin-bottom: 6px; }
.legal-page .meta { font-size: 13px; color: #a0aec0; margin-bottom: 28px; }
.legal-page h2 { font-size: 17px; font-weight: 600; margin-top: 28px; margin-bottom: 10px; color: #1a1a1a; }
.legal-page p, .legal-page li { font-size: 15px; color: #2d3748; line-height: 1.75; margin-bottom: 8px; }
.legal-page ul { padding-left: 20px; margin-bottom: 8px; }
.legal-page .back { display: inline-block; margin-bottom: 20px; font-size: 14px; }

@media (min-width: 768px) {
  .hero { padding: 96px 0 88px; }
  .hero-title { font-size: 36px; }
  .features { grid-template-columns: 1fr 1fr; }
}