/* 合作位：首页的题签条（小程序、数字工具）和书房卡片里的书脊（电子书、课程）。脚本是 hezuo.js，内容在 hezuo.json。
   没有合作内容时这两处也都在：淡淡的，不抢眼，也不挡任何东西，鼠标放上去（或键盘聚焦）才恢复成正常的样子。 */
.hz-qian, .hz-ji {
  --hz-card: var(--card, #FBF8F1);
  --hz-line: var(--line, #C9C2B6);
  --hz-gold: var(--shufang, #A88B5C);
  --hz-zhu: var(--zhaojian, #A8453A);
  --hz-soft: var(--ink-soft, #3F3B36);
  --hz-mute: var(--ink-mute, #6B655C);
}
.hz-yin { border: 1px solid var(--hz-zhu); border-radius: 2px; color: var(--hz-zhu); font: 12px/1 var(--sans, sans-serif); letter-spacing: .2em; }
.hz-kong { opacity: .4; transition: opacity .3s; }
.hz-kong:hover, .hz-kong:focus-within { opacity: 1; }

/* 题签条放在第一屏最上面：第一屏相应矮一条的高度，加起来还是正好一屏 */
.hz-qian + .gate { min-height: calc(100vh - 60px - var(--hz-h, 52px)); }
/* 题签条：像书册封面上的一条签，上下各两道细线，慢慢横着走 */
.hz-qian { --hz-h: 52px; position: relative; display: flex; align-items: stretch; height: var(--hz-h); overflow: hidden; background-color: var(--hz-card);
  background-image: linear-gradient(var(--hz-line), var(--hz-line)), linear-gradient(var(--hz-line), var(--hz-line)), linear-gradient(var(--hz-line), var(--hz-line)), linear-gradient(var(--hz-line), var(--hz-line));
  background-size: 100% 1px; background-position: 0 0, 0 4px, 0 100%, 0 calc(100% - 4px); background-repeat: no-repeat; }
.hz-qian .hz-yin { flex: none; align-self: center; margin: 0 16px 0 max(20px, calc((100vw - 1040px) / 2 + 24px)); padding: 5px 7px 5px 9px; }
.hz-view { flex: 1; min-width: 0; overflow: hidden; -webkit-mask: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent); mask: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent); }
.hz-track { display: flex; height: 100%; width: max-content; animation: hz-zou var(--hz-dur, 60s) linear infinite; }
.hz-qian:hover .hz-track, .hz-qian:focus-within .hz-track { animation-play-state: paused; }
.hz-track a { position: relative; display: inline-flex; align-items: center; gap: 10px; padding: 0 30px 0 14px; color: inherit; text-decoration: none; white-space: nowrap; font: 15px/1 var(--serif, serif); letter-spacing: .08em; transition: background .25s; }
.hz-track small { font: 12px var(--sans, sans-serif); letter-spacing: .12em; color: var(--hz-mute); }
.hz-track b { font-weight: 500; }
.hz-track span { color: var(--hz-mute); font-size: 14px; }
/* 条目之间一枚小月牙 */
.hz-track a::after { content: ""; position: absolute; right: 8px; top: 50%; width: 9px; height: 9px; margin-top: -4.5px; border-radius: 50%; box-shadow: inset -3px 0 0 0 var(--hz-gold); opacity: .8; }
.hz-track em { max-width: 0; overflow: hidden; opacity: 0; font: normal 12px var(--sans, sans-serif); letter-spacing: .15em; color: var(--hz-mute); transition: max-width .3s, opacity .3s; }
.hz-track a:hover, .hz-track a:focus-visible { background: rgba(var(--ink-rgb, 36, 34, 31), .045); outline: none; }
.hz-track a:hover b, .hz-track a:focus-visible b { border-bottom: 1px solid var(--hz-gold); }
.hz-track a:hover em, .hz-track a:focus-visible em { max-width: 6em; opacity: 1; }
/* 条目少、一份就放得下：不滚，也不要两头渐隐 */
.hz-qian.hz-jing .hz-track { animation: none; }
.hz-qian.hz-jing .hz-view { -webkit-mask: none; mask: none; }
@keyframes hz-zou { to { transform: translateX(-50%); } }

/* 书脊：书房卡片里，放在右下那排小书的左边，底线对齐 */
#shufang { position: relative; }
.hz-ji { position: absolute; z-index: 2; right: 167px; bottom: 34px; display: flex; flex-direction: column; align-items: center; gap: 8px; width: 32px; height: 112px; padding: 7px 0 0;
  background: var(--hz-card); border: 1px solid var(--hz-line); border-bottom: 0; border-radius: 2px 2px 0 0; color: inherit; text-decoration: none; transition: transform .3s, opacity .3s; }
.hz-ji::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: var(--hz-gold); }
.hz-ji .hz-yin { width: 22px; padding: 4px 0; display: grid; place-items: center; font-size: 10px; letter-spacing: .1em; writing-mode: vertical-rl; }
.hz-ji .hz-ming { writing-mode: vertical-rl; font: 500 13px/1 var(--serif, serif); letter-spacing: .15em; }
a.hz-ji:hover, a.hz-ji:focus-visible { transform: translateY(-10px); outline: none; }
.hz-pop { position: absolute; left: 50%; bottom: calc(100% + 10px); width: 210px; padding: 12px 14px; transform: translateX(-50%); opacity: 0; pointer-events: none; transition: opacity .2s;
  background: var(--hz-card); border: 1px solid var(--hz-line); border-radius: 4px; font: 13px/1.6 var(--sans, sans-serif); color: var(--hz-soft); text-align: left; }
.hz-pop i { display: block; font: normal 12px var(--sans, sans-serif); letter-spacing: .12em; color: var(--hz-mute); }
.hz-pop em { display: block; margin-top: 4px; font-style: normal; font-size: 12px; letter-spacing: .12em; color: var(--hz-mute); }
.hz-pop b { display: block; font: 500 15px/1.5 var(--serif, serif); color: var(--ink, #24221F); }
a.hz-ji:hover .hz-pop, a.hz-ji:focus-visible .hz-pop { opacity: 1; }

@media (max-width: 640px) {
  .hz-qian { --hz-h: 46px; }
  .hz-qian .hz-yin { margin: 0 10px 0 12px; }
  .hz-track a { padding-right: 26px; font-size: 14px; }
  .hz-track span, .hz-track em { display: none; }
}
/* 系统设了“减少动态效果”：不滚（改成能手动左右拖），循环用的那一份不显示，书脊也不动 */
@media (prefers-reduced-motion: reduce) {
  .hz-track { animation: none; }
  .hz-view { overflow-x: auto; }
  .hz-track [aria-hidden="true"] { display: none; }
  .hz-ji, .hz-kong { transition: none; }
}