/* 风格 6 · 卡片柜 Card Catalogue
   木柜 + 卡纸 + 打字机。抽屉 = 域，拉开一格是一叠打孔索引卡。
   色彩：深木柜体 / 卡纸面 / 红栏线 + 蓝灰格线 / 黄铜拉手。形状：方卡打孔。 */
html[data-style="cards"] {
  --desk: #e7dcc3;
  --wood1: #8b6f4e; --wood2: #6f5738; --wood3: #5d472e;
  --paper: #f7f0dd; --paper2: #fbf6e9;
  --ink: #2c2620; --muted: #5c5344; --faint: #7a6f5c;
  --red: #b04236; --redline: #c0564a; --blueline: #7d8ba0;
  --brass: #b98a2f;
  --type: "Courier Prime", "Courier New", Courier, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", monospace;
  color-scheme: light;
  background: var(--desk);
  color: var(--ink);
  font-family: var(--type);
  font-size: 15px;
  line-height: 1.6;
}
html[data-style="cards"] body {
  background:
    repeating-linear-gradient(0deg, transparent 0 34px, rgb(139 111 78 / .05) 34px 35px),
    var(--desk);
}
html[data-style="cards"] ::selection { background: var(--red); color: var(--paper2); }

.cd-desk { max-width: 1340px; margin: 0 auto; padding: 0 clamp(14px, 3.5vw, 44px) 140px; }

/* ---- 顶栏 ---- */
.cd-top {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 16px 0;
}
.cd-mark { font-weight: 700; font-size: 17px; letter-spacing: .04em; }
.cd-mark::before { content: ""; display: inline-block; width: 10px; height: 10px; background: var(--red); margin-right: 10px; transform: rotate(-4deg); }
.cd-top nav { display: flex; gap: 18px; font-size: 13.5px; }
.cd-top a { text-decoration: none; color: var(--muted); border-bottom: 2px solid transparent; }
.cd-top a:hover { color: var(--ink); border-bottom-color: var(--red); }

/* ---- 风格导卡：目录柜里带耳的导卡，当前风格抽出 ---- */
.cd-guides {
  display: flex; gap: 8px; padding: 0 0 6px; margin-bottom: 22px;
  border-bottom: 1px dashed #c9b98e;
  overflow-x: auto; scrollbar-width: none;
}
.cd-guides::-webkit-scrollbar { display: none; }
.cd-guides-label {
  align-self: flex-end; flex: none; padding: 0 8px 8px 2px;
  font-size: 11px; letter-spacing: .2em; color: var(--faint);
}
.cd-guide {
  position: relative; display: flex; align-items: baseline; gap: 7px; flex: none;
  margin-top: 10px; padding: 7px 12px 8px;
  background: var(--paper2); border: 1px solid #d8cbaa; border-bottom-color: transparent;
  border-radius: 2px 2px 0 0;
  box-shadow: 0 2px 3px -2px rgb(60 45 25 / .4);
  text-decoration: none; color: var(--muted); font-size: 12.5px;
  transition: transform .15s ease, box-shadow .15s ease, color .15s ease;
}
.cd-guide-tab {
  position: absolute; top: -7px; left: 9px; width: 26px; height: 7px;
  background: var(--paper); border: 1px solid #d8cbaa; border-bottom: 0;
  border-radius: 2px 2px 0 0;
}
.cd-guide b { color: var(--red); font-size: 11px; }
.cd-guide:hover { transform: translateY(-2px); color: var(--ink); }
.cd-guide[aria-current="page"] {
  background: var(--paper); color: var(--ink); transform: translateY(-3px);
  box-shadow: 0 5px 9px -4px rgb(60 45 25 / .55);
}
.cd-guide[aria-current="page"] .cd-guide-tab { background: var(--red); border-color: var(--red); }
@media (prefers-reduced-motion: reduce) { .cd-guide { transition: none; } }

/* ---- 卡片通用 ---- */
.cd-card {
  position: relative; display: block;
  background:
    repeating-linear-gradient(180deg, transparent 0 26px, rgb(125 139 160 / .16) 26px 27px),
    linear-gradient(180deg, var(--paper2), var(--paper));
  border: 1px solid #d8cbaa;
  border-radius: 3px;
  box-shadow: 0 1px 0 rgb(90 70 40 / .25), 0 10px 20px -12px rgb(60 45 25 / .5);
  padding: 18px 20px;
}
.cd-hole {
  position: absolute; top: 9px; left: 50%; transform: translateX(-50%);
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--desk);
  box-shadow: inset 0 1px 3px rgb(0 0 0 / .45), 0 1px 0 rgb(255 255 255 / .6);
}

/* ---- Hero：标题卡 + 方向卡 ---- */
.cd-hero {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(18px, 3vw, 40px);
  padding: clamp(28px, 5vh, 56px) 0 34px;
}
.cd-titlecard { padding-top: 34px; }
.cd-titlecard h1 {
  margin: 0 0 6px; font-size: clamp(1.9rem, 1.3rem + 2.6vw, 3.1rem);
  line-height: 1.12; letter-spacing: .01em;
}
.cd-sub { margin: 0 0 14px; color: var(--red); font-weight: 700; font-size: 13px; letter-spacing: .12em; }
.cd-lede { color: var(--muted); font-size: 14px; margin: 0 0 18px; max-width: 58ch; }
.cd-form { margin: 0; border-top: 2px solid var(--redline); padding-top: 10px; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 24px; }
.cd-form div { display: flex; gap: 10px; align-items: baseline; }
.cd-form dt { color: var(--faint); font-size: 13px; }
.cd-form dd { margin: 0; font-weight: 700; font-size: 15px; border-bottom: 1px dotted var(--faint); flex: 1; }

.cd-board { padding-top: 34px; font-size: 13px; }
.cd-board h2 { margin: 0 0 8px; font-size: 14.5px; }
.cd-board > p { color: var(--muted); margin: 0 0 10px; }
.cd-board table { width: 100%; border-collapse: collapse; margin-bottom: 10px; }
.cd-board th, .cd-board td { text-align: left; padding: 4px 8px 4px 0; border-bottom: 1px solid rgb(125 139 160 / .3); vertical-align: top; }
.cd-board th { color: var(--faint); font-weight: 400; width: 3.4em; font-size: 12.5px; }
.cd-risk { border-top: 2px solid var(--redline); padding-top: 8px; }

/* ---- 目录柜 ---- */
.cd-catalog { padding-top: 6px; }
.cd-cabinet {
  background:
    repeating-linear-gradient(90deg, rgb(0 0 0 / .06) 0 2px, transparent 2px 130px),
    linear-gradient(180deg, var(--wood1), var(--wood2) 60%, var(--wood3));
  border-radius: 8px;
  box-shadow: inset 0 2px 0 rgb(255 255 255 / .18), inset 0 -3px 0 rgb(0 0 0 / .3), 0 22px 44px -20px rgb(50 35 15 / .65);
  padding: 0 clamp(10px, 1.6vw, 22px) clamp(12px, 1.8vw, 24px);
}
.cd-cabinet-top {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 14px 2px 12px;
}
.cd-plate {
  color: var(--paper); font-size: 12px; letter-spacing: .22em; font-weight: 700;
  border: 1px solid rgb(247 240 221 / .45); padding: 4px 10px; border-radius: 2px;
  text-shadow: 0 1px 1px rgb(0 0 0 / .4); white-space: nowrap;
}
.cd-tools { display: flex; gap: 8px; flex-wrap: wrap; flex: 1; min-width: 0; }
.cd-tools input, .cd-tools select, .cd-tools button {
  font-family: var(--type); font-size: 13px;
  background: var(--paper2); color: var(--ink);
  border: 1px solid #4a3a26;
  border-radius: 2px; padding: 7px 10px;
  box-shadow: inset 0 1px 3px rgb(0 0 0 / .12);
}
.cd-tools input { flex: 1 1 220px; }
.cd-tools input::placeholder { color: var(--faint); }
.cd-tools input:focus { outline: 2px solid var(--brass); outline-offset: 1px; }
.cd-tools button { background: var(--paper); font-weight: 700; }
.cd-tools button:hover { background: #fff; }

/* ---- 抽屉 ---- */
.cd-drawers {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px;
}
.cd-drawer {
  position: relative; border: 0; padding: 10px 8px 26px;
  background: linear-gradient(180deg, #9c7f5b, #7d6243);
  border-radius: 4px;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / .25), inset 0 -2px 0 rgb(0 0 0 / .3), 0 3px 6px rgb(0 0 0 / .3);
  text-align: center;
  transition: transform .22s cubic-bezier(.3, .8, .3, 1), filter .22s, box-shadow .22s;
  animation: cd-drawer-in .5s cubic-bezier(.2, .8, .3, 1) backwards;
  animation-delay: calc(var(--i) * 45ms);
}
@keyframes cd-drawer-in { from { opacity: 0; transform: translateY(16px); } }
.cd-drawer:hover { filter: brightness(1.07); transform: translateY(3px); }
.cd-drawer:active { transform: translateY(6px); }
.cd-drawer[aria-pressed="true"] {
  transform: translateY(14px);
  filter: brightness(1.12);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / .3), 0 14px 18px -6px rgb(0 0 0 / .5);
}
.cd-dlabel {
  display: block; background: var(--paper2); border: 1px solid #cbbd97; border-radius: 2px;
  padding: 6px 6px 5px; min-height: 54px;
  box-shadow: 0 1px 0 rgb(0 0 0 / .3), inset 0 0 0 1px rgb(255 255 255 / .5);
}
.cd-dname { display: block; font-weight: 700; font-size: 14px; }
.cd-dblurb {
  display: block; color: var(--faint); font-size: 10.5px; line-height: 1.35; margin-top: 2px;
  overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.cd-dcount {
  position: absolute; right: 6px; top: 4px;
  font-size: 11px; font-weight: 700; color: var(--paper);
  text-shadow: 0 1px 1px rgb(0 0 0 / .5);
}
.cd-pull {
  position: absolute; left: 50%; bottom: 7px; transform: translateX(-50%);
  width: 34px; height: 10px; border-radius: 5px 5px 3px 3px;
  background: linear-gradient(180deg, #d9b45c, var(--brass) 60%, #8a6420);
  box-shadow: 0 1px 2px rgb(0 0 0 / .5), inset 0 1px 0 rgb(255 255 255 / .5);
}

/* ---- 拉开的抽屉（内容区） ---- */
.cd-tray {
  margin-top: 14px;
  background: linear-gradient(180deg, #4a3a26, #574430);
  border-radius: 6px;
  box-shadow: inset 0 3px 10px rgb(0 0 0 / .5);
  padding: clamp(12px, 2vw, 24px);
  min-height: 120px;
}
.cd-tray.cd-in { animation: cd-tray-open .35s cubic-bezier(.2, .8, .3, 1) 60ms backwards; }
@keyframes cd-tray-open { from { opacity: 0; transform: translateY(10px); } }

.cd-idle { max-width: 620px; margin: 8px auto; padding-top: 32px; text-align: left; }
.cd-idle p { margin: 0 0 8px; color: var(--muted); font-size: 14px; }
.cd-idle b { color: var(--ink); }
.cd-idle .cd-back { margin-top: 8px; }

.cd-tray-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; padding: 4px 2px 10px; }
.cd-tray-head h3 { margin: 0; color: var(--paper2); font-size: 20px; letter-spacing: .03em; text-shadow: 0 1px 2px rgb(0 0 0 / .5); }
.cd-tray-head p { margin: 0; color: #d8cbaa; font-size: 12.5px; }
.cd-back {
  font-family: var(--type); font-size: 12.5px; font-weight: 700;
  background: var(--paper2); color: var(--ink); border: 1px solid #4a3a26; border-radius: 2px;
  padding: 6px 12px; box-shadow: 0 2px 0 rgb(0 0 0 / .35);
}
.cd-back:hover { background: #fff; }
.cd-back:active { transform: translateY(1px); box-shadow: none; }

.cd-sec { margin-top: 18px; }
.cd-sec > header { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; padding: 0 2px 8px; border-bottom: 2px solid rgb(247 240 221 / .35); }
.cd-sec h4 { margin: 0; color: var(--paper2); font-size: 15.5px; letter-spacing: .04em; }
.cd-sec header p { margin: 0; color: #cbbd97; font-size: 12px; flex: 1; }
.cd-sec header span { color: #cbbd97; font-size: 12px; }
.cd-count { color: var(--paper2); font-size: 14px; padding: 2px; }
.cd-count b { font-size: 20px; }

/* ---- 索引卡 ---- */
.cd-grid {
  list-style: none; margin: 12px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  perspective: 800px;
}
.cd-cell { min-width: 0; }
.cd-entry { padding-top: 30px; height: 100%; text-decoration: none; color: var(--ink); transition: transform .22s cubic-bezier(.2, .8, .3, 1), box-shadow .22s; }
.cd-entry:hover { transform: translateY(-4px) rotate(-.4deg); box-shadow: 0 2px 0 rgb(90 70 40 / .25), 0 20px 30px -12px rgb(45 32 15 / .6); }
.cd-entry:active { transform: translateY(-1px); }
.cd-ehead { display: flex; align-items: flex-start; gap: 10px; border-bottom: 2px solid var(--redline); padding-bottom: 6px; }
.cd-ename { font-weight: 700; font-size: 15px; line-height: 1.3; flex: 1; overflow-wrap: anywhere; }
.cd-ename sup { font-size: 10px; color: var(--red); margin-left: 4px; }
.cd-entry:hover .cd-ename { text-decoration: underline; text-underline-offset: 3px; }
.cd-edesc {
  display: block; color: var(--muted); font-size: 13px; line-height: 26px;
  margin: 4px 0 10px; min-height: 52px;
}
.cd-shot {
  display: block; width: 100%; aspect-ratio: 8/5; object-fit: cover;
  border: 1px solid #c9bb92; border-radius: 2px;
  filter: sepia(.12) saturate(.92);
}
.cd-noshot {
  display: grid; place-items: center;
  background: repeating-linear-gradient(180deg, transparent 0 13px, rgb(125 139 160 / .18) 13px 14px), var(--paper2);
  color: var(--red); font-size: 34px; font-weight: 700;
}
.cd-emeta { display: block; margin-top: 8px; color: var(--faint); font-size: 11.5px; overflow-wrap: anywhere; }

/* 档位印戳 */
.cd-stamp {
  flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%;
  display: inline-grid; place-items: center;
  border: 2.5px solid var(--red); color: var(--red);
  font-weight: 700; font-size: 14px;
  transform: rotate(-8deg);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Ccircle cx='15' cy='15' r='14' fill='white'/%3E%3C/svg%3E");
  opacity: .88;
}
.cd-tA { border-color: #6b5d3f; color: #6b5d3f; border-style: solid; }
.cd-tB { border-color: var(--faint); color: var(--faint); border-style: dashed; }

/* 翻转入场 + 盖章 */
.cd-tray .cd-cell { opacity: 0; transform: rotateX(-28deg); transform-origin: top center; }
.cd-tray.cd-in .cd-cell {
  opacity: 1; transform: none;
  transition: transform .45s cubic-bezier(.2, .8, .3, 1) var(--d, 0ms), opacity .35s ease var(--d, 0ms);
}
.cd-tray .cd-stamp { opacity: 0; }
.cd-tray.cd-in .cd-stamp {
  animation: cd-stamp .28s cubic-bezier(.3, 1.2, .4, 1) forwards;
  animation-delay: calc(var(--d, 0ms) + 220ms);
}
@keyframes cd-stamp {
  0% { opacity: 0; transform: scale(2.2) rotate(-18deg); }
  70% { opacity: .9; transform: scale(.94) rotate(-7deg); }
  100% { opacity: .88; transform: scale(1) rotate(-8deg); }
}
.cd-tray .cd-tray-head, .cd-tray .cd-idle, .cd-tray .cd-count { opacity: 0; }
.cd-tray.cd-in .cd-tray-head, .cd-tray.cd-in .cd-idle, .cd-tray.cd-in .cd-count { opacity: 1; transition: opacity .3s ease; }

/* ---- 套件 ---- */
.cd-suite { padding: 46px 0 8px; }
.cd-suite h2 { font-size: 22px; margin: 0 0 6px; letter-spacing: .02em; }
.cd-suite h2 span { font-size: 12.5px; color: var(--faint); font-weight: 400; }
.cd-suite-lede { color: var(--muted); font-size: 14px; margin: 0 0 16px; max-width: 66ch; }
.cd-stack { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; }
.cd-minicard {
  position: relative; display: grid; grid-template-columns: 34px minmax(0, auto) 1fr; gap: 12px; align-items: baseline;
  background: linear-gradient(180deg, var(--paper2), var(--paper));
  border: 1px solid #d8cbaa; border-radius: 3px; padding: 10px 14px;
  box-shadow: 0 1px 0 rgb(90 70 40 / .2), 0 6px 12px -8px rgb(60 45 25 / .4);
  transition: transform .18s ease, box-shadow .18s ease;
}
.cd-minicard:hover { transform: translateY(-2px); box-shadow: 0 2px 0 rgb(90 70 40 / .2), 0 12px 18px -8px rgb(60 45 25 / .5); }
.cd-mno { font-weight: 700; color: var(--red); font-size: 13px; }
.cd-minicard code { font-weight: 700; font-size: 13.5px; }
.cd-minicard a { text-decoration: none; }
.cd-minicard a:hover code { text-decoration: underline; text-underline-offset: 3px; }
.cd-minicard p { margin: 0; color: var(--muted); font-size: 12.5px; }

/* ---- 怎么用与方法 ---- */
.cd-how { padding: 44px 0; }
.cd-how h2 { font-size: 22px; margin: 0 0 16px; letter-spacing: .02em; }
.cd-how-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.cd-notecard { padding-top: 30px; }
.cd-notecard h3 { margin: 0 0 10px; font-size: 14.5px; border-bottom: 2px solid var(--redline); padding-bottom: 6px; }
.cd-notecard pre {
  margin: 0; background: #2c2620; color: #f0e8d2; border-radius: 3px;
  padding: 14px 16px; overflow-x: auto; font-family: var(--type); font-size: 12px; line-height: 1.75;
}
.cd-notecard ul { margin: 0; padding-left: 1.2em; color: var(--muted); font-size: 13px; }
.cd-notecard li { margin-bottom: 8px; }
.cd-notecard p { margin: 0; color: var(--muted); font-size: 13px; }

.cd-foot {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  border-top: 2px solid var(--ink); padding: 16px 0 0;
  color: var(--faint); font-size: 12px;
}
.cd-foot a { color: var(--muted); }

/* ---- 进场 ---- */
.cd-pre { opacity: 0; transform: translateY(18px) rotateX(-8deg); }
.cd-vis { opacity: 1; transform: none; transition: opacity .55s ease, transform .55s cubic-bezier(.2, .8, .3, 1); }

@media (prefers-reduced-motion: reduce) {
  .cd-drawer { animation: none; transition: none; }
  .cd-pre { opacity: 1; transform: none; }
  .cd-tray.cd-in { animation: none; }
  .cd-tray .cd-cell, .cd-tray .cd-tray-head, .cd-tray .cd-idle, .cd-tray .cd-count { opacity: 1; transform: none; transition: none; }
  .cd-tray .cd-stamp { opacity: .88; animation: none; }
  .cd-entry, .cd-minicard { transition: none; }
}

/* ---- 响应式 ---- */
@media (max-width: 1080px) {
  .cd-drawers { grid-template-columns: repeat(4, 1fr); }
  .cd-grid { grid-template-columns: repeat(2, 1fr); }
  .cd-hero { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .cd-top { flex-wrap: wrap; row-gap: 8px; }
  .cd-top nav { gap: 14px; font-size: 12.5px; white-space: nowrap; }
  .cd-drawers { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .cd-dblurb { display: none; }
  .cd-dlabel { min-height: 0; }
  .cd-grid { grid-template-columns: 1fr; }
  .cd-stack { grid-template-columns: 1fr; }
  .cd-how-grid { grid-template-columns: 1fr; }
}

/* 宽屏里版式入口换行排开，全部方向一眼可见（原先横向滚动且隐藏滚动条，后几个方向看不到）；窄屏仍横向滚动，顶部横条的下拉兜底。 */
@media (min-width: 721px) { .cd-guides { flex-wrap: wrap; overflow-x: visible; } }