:root {
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --bg: #f4f5f7;
  --surface: #fff;
  --header-bg: rgba(255,255,255,.88);
  --text: #18191c;
  --text-secondary: #61666d;
  --text-muted: #9499a0;
  --border: #e3e5e7;
  --border-light: rgba(0,0,0,.05);
  --accent: #00a1d6;
  --accent-glow: rgba(0,161,214,.15);
  --brand-gradient: linear-gradient(135deg, #00a1d6, #00b5e5);
  --input-bg: #f4f5f7;
  --chip-hover: #e3e5e7;
  --radius-card: 12px;
  --card-shadow: 0 2px 8px rgba(0,0,0,.05);
  --card-hover-shadow: 0 6px 24px rgba(0,0,0,.12);
  --badge-bg: rgba(0,161,214,.82);
  --src-douban-bg: rgba(45,134,60,.12);
  --src-douban-text: #2d863c;
  --src-xhs-bg: rgba(255,71,87,.10);
  --src-xhs-text: #e84057;
  --cover-douban: linear-gradient(135deg, #72b87e, #8fd19a);
  --cover-xhs: linear-gradient(135deg, #f797a1, #fbb1b8);
  --tag-bg: #f4f5f7;
  --price-bg: #fff4e6;
  --price-text: #ff7600;
}