/* ========== 鉴印 设计变量 ========== */
:root {
  /* 背景层级 */
  --color-bg-deep: #0d0d1a;
  --color-bg: #1a1a2e;
  --color-bg-raised: #232346;
  --color-bg-card: #2a2a4a;
  --color-bg-card-hover: #343460;
  --color-bg-surface: #1e1e38;
  --color-bg-input: #16162a;

  /* 主色 - 印章红 */
  --color-primary: #C03C2D;
  --color-primary-hover: #d44a3a;
  --color-primary-muted: rgba(192, 60, 45, 0.15);

  /* 金色点缀 */
  --color-gold: #d4a853;
  --color-gold-dim: #a07830;
  --color-gold-muted: rgba(212, 168, 83, 0.12);

  /* 文字层级 */
  --color-ink: #f0e6d3;
  --color-ink-secondary: #c4b8a5;
  --color-ink-muted: #8a8278;
  --color-ink-faint: #5a534a;

  /* 边框 */
  --color-border: #3a3a5c;
  --color-border-light: #2e2e4e;
  --color-border-hover: #4a4a6e;

  /* 字体 */
  --font-display: 'Noto Serif SC', 'STSong', 'SimSun', serif;
  --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* 聚光灯效果 */
  --shadow-spotlight: 0 0 60px rgba(212, 168, 83, 0.08);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 8px 30px rgba(192, 60, 45, 0.15);
  --spotlight-gradient: radial-gradient(ellipse at 50% 0%, rgba(212,168,83,0.06) 0%, transparent 60%);

  /* 顶部彩线 */
  --accent-gradient: linear-gradient(90deg, #C03C2D, #d4a853, #C03C2D);

  /* 动效 */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}