/* 有口吗 静态网站 - DRAFT / NOT_PUBLISHED */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #222;
  background: #fff;
}

a { color: #1a7de0; text-decoration: none; }
a:hover { text-decoration: underline; }

/* draft banner */
.draft-banner {
  background: #fff3cd;
  color: #856404;
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  border-bottom: 1px solid #ffc107;
}

/* header */
header {
  background: #1a7de0;
  color: #fff;
  padding: 16px 20px;
}
header h1 { font-size: 22px; font-weight: 700; }
header p { font-size: 13px; opacity: 0.85; margin-top: 2px; }
nav { margin-top: 10px; font-size: 13px; }
nav a { color: #cde; margin-right: 12px; }

/* main */
main { max-width: 720px; margin: 0 auto; padding: 24px 20px 40px; }

h2 { font-size: 20px; font-weight: 700; margin: 24px 0 10px; color: #1a1a1a; border-bottom: 2px solid #1a7de0; padding-bottom: 4px; }
h3 { font-size: 16px; font-weight: 700; margin: 18px 0 6px; color: #333; }
p { margin-bottom: 12px; }
ul, ol { margin: 8px 0 12px 20px; }
li { margin-bottom: 4px; }

/* hero (landing only) */
.hero {
  text-align: center;
  padding: 32px 20px;
  background: linear-gradient(135deg, #e8f0fe, #f5f5f5);
  border-radius: 12px;
  margin-bottom: 28px;
}
.hero h2 { border: none; font-size: 26px; color: #1a7de0; }
.hero p { font-size: 15px; color: #555; margin-top: 6px; }
.disclaimer-box {
  background: #fff8e1;
  border-left: 4px solid #ffa000;
  padding: 12px 16px;
  border-radius: 4px;
  margin: 16px 0;
  font-size: 14px;
  color: #5d4037;
}
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}
.feature-item {
  background: #f0f4ff;
  border-radius: 8px;
  padding: 14px;
  font-size: 14px;
}
.feature-item strong { display: block; margin-bottom: 4px; color: #1a7de0; }

/* faq */
.faq-item { margin-bottom: 16px; }
.faq-q { font-weight: 700; color: #1a7de0; margin-bottom: 4px; }
.faq-a { font-size: 14px; color: #444; }

/* footer */
footer {
  background: #f5f5f5;
  border-top: 1px solid #ddd;
  padding: 24px 20px;
  font-size: 13px;
  color: #666;
  text-align: center;
}
footer .footer-links { margin: 8px 0; }
footer .footer-links a { margin: 0 6px; color: #1a7de0; }
footer .footer-icp { margin: 8px 0; font-size: 12px; color: #999; }
footer .draft-note { font-size: 11px; color: #c0392b; margin-top: 6px; }

/* 404 */
.not-found { text-align: center; padding: 60px 20px; }
.not-found h2 { font-size: 60px; color: #ccc; border: none; }
.not-found p { color: #666; margin: 10px 0; }
.btn {
  display: inline-block;
  background: #1a7de0;
  color: #fff;
  padding: 10px 24px;
  border-radius: 6px;
  margin-top: 16px;
  font-size: 15px;
}

/* mobile */
@media (max-width: 480px) {
  .feature-grid { grid-template-columns: 1fr; }
  header h1 { font-size: 19px; }
  main { padding: 16px 14px 32px; }
}