/*
  H5 跳转小程序页面样式：简洁、移动端友好
*/

:root {
  --color-bg: #f6f8fa;
  --color-text: #1f2328;
  --color-muted: #6e7781;
  --color-primary: #1677ff;
  --color-secondary: #10b981;
  --color-error: #ef4444;
  --color-card: #ffffff;
  --shadow-card: 0 6px 16px rgba(0,0,0,0.08);
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px;
}

.title {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 8px;
}

.desc {
  margin: 0 0 16px;
  color: var(--color-muted);
}

.section { margin-top: 20px; }
.hidden { display: none; }

.btn {
  display: inline-block;
  padding: 12px 16px;
  border-radius: 8px;
  border: none;
  text-decoration: none;
  cursor: pointer;
  font-size: 16px;
  line-height: 20px;
}

.btn.primary { background: var(--color-primary); color: #fff; }
.btn.secondary { background: var(--color-secondary); color: #fff; }

.btn:active { transform: translateY(1px); }

.hint {
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 14px;
}

.error { color: var(--color-error); }

/* 卡片式网格布局 */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.card {
  background: var(--color-card);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  padding: 16px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover { transform: translateY(-2px); box-shadow: 0 10px 20px rgba(0,0,0,0.12); }

.card-title { font-size: 16px; font-weight: 600; margin: 0 0 6px; }
.card-desc { font-size: 14px; color: var(--color-muted); margin: 0 0 12px; }
.card-link { display: inline-block; font-size: 14px; color: #fff; background: var(--color-primary); padding: 8px 12px; border-radius: 8px; text-decoration: none; }

/* 加载与错误样式 */
.spinner { width: 24px; height: 24px; border: 3px solid #e5e7eb; border-top-color: var(--color-primary); border-radius: 50%; animation: spin 0.8s linear infinite; margin: 8px 0; }
@keyframes spin { to { transform: rotate(360deg); } }
.error-banner { background: #fee2e2; color: #b91c1c; padding: 10px 12px; border-radius: 8px; margin-top: 10px; }