/* 书桌档案 · 设计变量
   杏子纸 / 暖炭墨 / 褪色玫瑰 / 床头灯 / 香槟金仅主标题 */
:root{
  --paper:        oklch(95.2% 0.032 72);
  --paper-deep:   oklch(91.4% 0.038 68);
  --paper-edge:   oklch(84.5% 0.042 65);
  --desk:         oklch(79% 0.048 62);
  --ink:          oklch(28% 0.032 48);
  --ink-soft:     oklch(44% 0.03 48);
  --ink-faint:    oklch(58% 0.024 52);
  --rose:         oklch(68% 0.09 18);
  --lamp:         oklch(86% 0.07 72);
  --print:        oklch(97.4% 0.012 85);
  --night:        oklch(22% 0.028 52);
  --night-deep:   oklch(16% 0.024 50);
  --night-text:   oklch(93% 0.02 78);
  --night-mute:   oklch(78% 0.03 70);
  --wx-me:        #95ec69;
  --wx-you:       #fffaf4;
  --champagne:    oklch(72% 0.075 78);
  --champagne-2:  oklch(82% 0.055 80);

  --serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --sans:  "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --latin: "Cormorant Garamond", "Noto Serif SC", serif;
  --hand:  "Ma Shan Zheng", "Noto Serif SC", cursive;

  --pad-x: 6vw;
  --maxw: 1100px;

  --shadow-print:
    0 1px 1px rgba(62,38,22,.08),
    0 8px 20px -10px rgba(62,38,22,.28),
    0 22px 40px -24px rgba(62,38,22,.35);
  --shadow-lamp:
    0 0 80px oklch(86% 0.07 72 / .35),
    0 24px 60px -28px rgba(80,42,18,.28);

  --ease: cubic-bezier(.16, 1, .3, 1);
  --motion-fast: 250ms;
  --motion-quick: 150ms;
}