/* =========================================================================
   知识记录 · 模块样式（M5 · 复刻方案 §5.6 布局 / §5.8 组件规格，网页版 k=1）
   -------------------------------------------------------------------------
   尺寸：工具栏 46px / 图片卡 186（封面高 = 宽×1.22） / 链接书签条 232 /
        评论行头像 30 / 分区头徽标 26 / 数量药丸 19 / 封面缩略图 132×96。
   颜色全走 --p-* 设计 token（v 双主题）；新增 --sem-info 语义色（链接分区）。
   ========================================================================= */

/* ---------------- 补充 token：info 语义色（链接分区徽标） ---------------- */
:root {
  --sem-info-fg: #6CB6FF;  --sem-info-bg: #13293E;
}
[data-theme="light"] {
  --sem-info-fg: #0E7490;  --sem-info-bg: #DDF3F5;
}

/* 弹窗宽度档（知识 760，方案 §5.7）；personal-ui 的 ptModal 每次会清掉这些类 */
#modal-box.pt-know { width: min(760px, 100%); }

/* hidden 属性兜底：.pt-fld 的 display:grid 会盖掉浏览器默认的 [hidden]{display:none} */
.pt-dialog [hidden], .kd-wrap [hidden] { display: none !important; }

/* ============================ 一、视图骨架 ============================ */

.kd-wrap { flex: 1; min-height: 0; display: flex; flex-direction: column; }

/* ---- 工具栏（46px，FR-K1） ---- */
.kd-bar {
  flex: none; height: 46px; display: flex; align-items: center; gap: 8px;
  flex-wrap: nowrap; overflow: hidden;
}
.kd-bar .sp { flex: 1; min-width: 8px; }

.kd-tbtn {
  height: 30px; padding: 0 12px; border-radius: 8px; flex: none;
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--p-field); border: 1px solid var(--p-border);
  color: var(--p-text); font-size: 12.5px; cursor: pointer; white-space: nowrap;
  transition: border-color .12s, filter .12s, background .12s, opacity .12s;
}
.kd-tbtn .ic { width: 14px; height: 14px; color: var(--p-muted); }
.kd-tbtn:hover { border-color: var(--p-border-hot); }
.kd-tbtn.primary { background: var(--p-primary); border-color: var(--p-primary); color: var(--p-on-primary); font-weight: 600; }
.kd-tbtn.primary .ic { color: var(--p-on-primary); }
.kd-tbtn.primary:hover { filter: brightness(1.08); }
.kd-tbtn.success { background: var(--p-green); border-color: var(--p-green); color: var(--p-on-primary); font-weight: 600; }
.kd-tbtn.success .ic { color: var(--p-on-primary); }
.kd-tbtn.success:hover { filter: brightness(1.08); }
.kd-tbtn.info { background: var(--p-cyan); border-color: var(--p-cyan); color: var(--p-on-primary); font-weight: 600; }
.kd-tbtn.info .ic { color: var(--p-on-primary); }
.kd-tbtn.info:hover { filter: brightness(1.08); }
.kd-tbtn.drop .lb.ph { color: var(--p-muted); }
.kd-tbtn.drop .ic { width: 13px; height: 13px; }
.kd-tbtn.busy { opacity: .45; pointer-events: none; }

.kd-date {
  height: 30px; min-width: 96px; padding: 0 10px; border-radius: 8px; flex: none;
  background: var(--p-field); border: 1px solid var(--p-border);
  color: var(--p-muted); font-size: 12px; cursor: pointer; text-align: center;
  transition: border-color .12s, color .12s;
}
.kd-date.has { color: var(--p-text); }
.kd-date:hover { border-color: var(--p-border-hot); }
.kd-dash { flex: none; color: var(--p-muted); font-size: 12px; }

/* ---- 滚动区 ---- */
.kd-scroll { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; padding: 6px 2px 22px; }
.kd-scroll::-webkit-scrollbar { width: 8px; }
.kd-scroll::-webkit-scrollbar-thumb { background: var(--p-border-hot); border-radius: 4px; }
.kd-scroll::-webkit-scrollbar-track { background: transparent; }

.kd-empty {
  text-align: center; color: var(--p-muted); font-size: 13px;
  padding: 64px 0; white-space: pre-line;
}

/* ============================ 二、三段分区（FR-K2 / K3） ============================ */

.kd-secs { display: flex; flex-direction: column; gap: 22px; padding: 4px 14px 0; }
.kd-sec { min-width: 0; }
.kd-sech { display: flex; align-items: center; gap: 9px; margin-bottom: 11px; }
.kd-badge {
  width: 26px; height: 26px; border-radius: 8px; flex: none;
  display: grid; place-items: center;
}
.kd-badge .ic { width: 15px; height: 15px; }
.kd-badge.primary { background: var(--sem-primary-bg); color: var(--sem-primary-fg); }
.kd-badge.info { background: var(--sem-info-bg); color: var(--sem-info-fg); }
.kd-badge.muted { background: var(--sem-muted-bg); color: var(--sem-muted-fg); }
.kd-sech .nm { font-size: 13.5px; font-weight: 700; color: var(--p-text); }
.kd-pill {
  height: 19px; padding: 0 8px; border-radius: 10px; flex: none;
  display: inline-flex; align-items: center;
  background: var(--p-field); border: 1px solid var(--p-border);
  color: var(--p-muted); font-size: 11px;
}
.kd-line { flex: 1; height: 1px; background: var(--p-border); margin-left: 3px; }

/* ---- 网格容器（列数自适应：floor((宽+16)/(卡宽+16))） ---- */
.kd-grid { display: grid; grid-template-columns: repeat(auto-fill, 186px); gap: 16px; }
.kd-grid.lk { grid-template-columns: repeat(auto-fill, 232px); gap: 16px; }

/* ============================ 三、图片卡（海报网格） ============================ */

.kd-pcard { cursor: pointer; min-width: 0; }
.kd-pcard .cv {
  width: 100%; height: 227px; border-radius: 9px; overflow: hidden;
  border: 1px solid var(--p-border); background: var(--p-card);
  display: grid; place-items: center; color: var(--p-faint);
  transition: border-color .12s;
}
.kd-pcard .cv img { width: 100%; height: 100%; object-fit: cover; display: block; }
.kd-pcard .cv.ph .ic { width: 40px; height: 40px; }
.kd-pcard:hover .cv { border-color: var(--p-primary); }
.kd-pcard .tt {
  margin-top: 7px; font-size: 13px; font-weight: 650; color: var(--p-text);
  line-height: 1.35; word-break: break-word;
}
.kd-pcard .sm {
  margin-top: 2px; font-size: 12px; color: var(--p-muted);
  line-height: 1.5; word-break: break-word;
}

/* ============================ 四、链接书签条 ============================ */

.kd-lcard {
  display: flex; align-items: center; gap: 11px; min-width: 0;
  padding: 9px 13px 9px 11px; border-radius: 12px;
  background: var(--p-card); border: 1px solid var(--p-border);
  cursor: pointer; min-height: 58px; transition: border-color .12s;
}
.kd-lcard:hover { border-color: var(--p-primary); }
.kd-lbadge {
  width: 40px; height: 40px; border-radius: 11px; flex: none;
  display: grid; place-items: center; color: #FFF;
}
.kd-lbadge .ic { width: 19px; height: 19px; }
.kd-lcard .mid { flex: 1; min-width: 0; }
.kd-lcard .tt {
  font-size: 13px; font-weight: 650; color: var(--p-text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.kd-lcard .sm {
  margin-top: 3px; font-size: 12px; color: var(--p-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ============================ 五、文件评论行 ============================ */

.kd-files { display: flex; flex-direction: column; }
.kd-frow {
  display: flex; gap: 10px; padding: 12px 4px; min-width: 0;
  cursor: pointer; border-radius: 8px;
  transition: background .12s;
}
.kd-frow + .kd-frow { border-top: 1px solid var(--p-border); }
.kd-frow:hover { background: var(--p-hover); }
.kd-ava {
  width: 30px; height: 30px; border-radius: 50%; flex: none; margin-top: 2px;
  display: grid; place-items: center; color: #FFF; font-size: 13px; font-weight: 700;
}
.kd-fmain { flex: 1; min-width: 0; }
.kd-fhead { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.kd-fhead .tt {
  flex: 1; min-width: 0; font-size: 13.5px; font-weight: 600; color: var(--p-text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.kd-fhead .time { flex: none; font-size: 11.5px; color: var(--p-faint); }
.kd-sm {
  margin-top: 6px; font-size: 12px; color: var(--p-muted);
  line-height: 1.6; word-break: break-word;
}
.kd-fmid { display: flex; align-items: center; gap: 8px; margin-top: 6px; min-width: 0; }
.kd-openlnk {
  max-width: 72%; display: inline-flex; align-items: center; gap: 5px;
  background: none; border: 0; padding: 0; cursor: pointer;
  font-size: 11.5px; text-decoration: underline; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; transition: filter .12s;
}
.kd-openlnk .ic { width: 13px; height: 13px; flex: none; }
.kd-openlnk:hover { filter: brightness(1.25); }
[data-theme="light"] .kd-openlnk:hover { filter: brightness(0.85); }
.kd-catpill {
  margin-left: auto; flex: none; font-size: 11px; padding: 2px 9px; border-radius: 9px;
  background: var(--sem-muted-bg); color: var(--sem-muted-fg);
}

/* 搜索命中闪一下（FR 定位） */
.kd-pcard.flash .cv, .kd-lcard.flash, .kd-frow.flash {
  animation: kdFlash 1.3s ease;
}
@keyframes kdFlash {
  0% { box-shadow: 0 0 0 2px var(--p-primary); }
  100% { box-shadow: 0 0 0 2px transparent; }
}

/* ============================ 六、编辑弹窗补充 ============================ */

.kd-attach.dragover { outline: 2px dashed var(--p-primary); outline-offset: 4px; border-radius: 8px; }

/* ---- 选择封面（FR-K13：单行横向滚动 · 竖版 108×132） ---- */
.kd-covscroll {
  display: flex; gap: 10px; align-items: flex-start;
  overflow-x: auto; overflow-y: hidden;
  padding: 4px 2px 12px;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}
.kd-covscroll::-webkit-scrollbar { height: 9px; }
.kd-covscroll::-webkit-scrollbar-thumb { background: var(--p-border); border-radius: 6px; }
.kd-covscroll::-webkit-scrollbar-thumb:hover { background: var(--p-border-hot); }

.kd-cvitem {
  position: relative; flex: 0 0 auto;
  width: 108px; height: 132px; padding: 0; border-radius: 10px;
  overflow: hidden; cursor: pointer; background: var(--p-field);
  border: 2px solid var(--p-border); transition: border-color .12s, transform .12s;
  scroll-snap-align: center;
}
.kd-cvitem:hover { transform: translateY(-2px); }
.kd-cvitem img { width: 100%; height: 100%; object-fit: cover; display: block; }
.kd-cvitem:hover { border-color: var(--p-border-hot); }
.kd-cvitem.sel { border-color: var(--p-primary); }
.kd-cvitem .ck {
  display: none; position: absolute; top: 6px; right: 6px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--p-primary); color: var(--p-on-primary);
  font-size: 11px; font-style: normal; place-items: center; font-weight: 700;
}
.kd-cvitem.sel .ck { display: grid; }
/* 左上角序号，方便对上「第几张」 */
.kd-cvitem .no {
  position: absolute; left: 5px; top: 5px;
  min-width: 16px; height: 16px; padding: 0 4px;
  display: grid; place-items: center; border-radius: 5px;
  background: rgba(0, 0, 0, .55); color: #fff;
  font-size: 10px; font-weight: 700; font-style: normal;
  backdrop-filter: blur(2px);
}
.kd-covhint {
  margin-top: 2px; font-size: 11px; color: var(--p-faint);
  display: flex; align-items: center; gap: 4px;
}
.kd-covhint b { color: var(--p-muted); font-weight: 600; }

/* ============================ 七、分类 / 类型管理弹层（FR-K10 / K11 · 580×450） ============================ */

.kd-ovl {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(0, 0, 0, .45);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 10vh 20px 20px;
  animation: kdFadeIn .15s ease;
}
@keyframes kdFadeIn { from { opacity: 0; } to { opacity: 1; } }

.kd-mgr {
  width: min(580px, 100%); max-height: min(450px, 78vh);
  display: flex; flex-direction: column;
  background: var(--p-card); border: 1px solid var(--p-border-hot); border-radius: 12px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, .5);
  animation: kdPopIn .16s ease;
}
@keyframes kdPopIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.kd-mgr-head {
  flex: none; display: flex; gap: 11px; align-items: flex-start;
  padding: 16px 18px 12px; border-bottom: 1px solid var(--p-border);
}
.kd-mgr-head .badge {
  width: 28px; height: 28px; border-radius: 8px; flex: none; margin-top: 1px;
  background: color-mix(in srgb, var(--p-primary) 15%, transparent);
  color: var(--p-primary); display: grid; place-items: center;
}
.kd-mgr-head .badge .ic { width: 16px; height: 16px; }
.kd-mgr-head .tt { font-size: 15px; font-weight: 650; color: var(--p-text); }
.kd-mgr-head .st { font-size: 11.5px; color: var(--p-faint); margin-top: 2px; }
.kd-mgr-head .modal-x { margin-left: auto; }

.kd-mgr-list {
  flex: 1; min-height: 190px; overflow-y: auto;
  padding: 10px 18px; display: flex; flex-direction: column; gap: 4px;
}
.kd-mgr-list::-webkit-scrollbar { width: 8px; }
.kd-mgr-list::-webkit-scrollbar-thumb { background: var(--p-border-hot); border-radius: 4px; }

.kd-mgr-row {
  position: relative; flex: none; height: 38px; padding: 0 12px;
  display: flex; align-items: center; gap: 0;
  background: var(--p-field); border: 1px solid var(--p-border); border-radius: 9px;
  cursor: pointer; transition: border-color .12s, background .12s;
}
.kd-mgr-row:hover { border-color: var(--p-border-hot); }
.kd-mgr-row .dot {
  width: 9px; height: 9px; border-radius: 50%; margin: 0 16px 0 4px; flex: none;
  background: var(--p-muted);
}
.kd-mgr-row .nm {
  flex: 1; min-width: 0; font-size: 13px; color: var(--p-text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.kd-mgr-row .cnt {
  flex: none; font-size: 11px; color: var(--p-muted);
  background: var(--p-card); border: 1px solid var(--p-border); border-radius: 10px;
  padding: 2px 9px;
}
.kd-mgr-row.sel { background: var(--p-sel); border-color: transparent; }
.kd-mgr-row.sel::before {
  content: ''; position: absolute; left: 5px; top: 9px; bottom: 9px; width: 3px;
  border-radius: 2px; background: var(--p-primary);
}
.kd-mgr-row.sel .dot { background: var(--p-primary); }
.kd-mgr-row.sel .nm { font-weight: 650; }
.kd-mgr-empty { text-align: center; color: var(--p-muted); font-size: 12.5px; padding: 30px 0; }

.kd-mgr-foot {
  flex: none; display: flex; align-items: center; gap: 8px;
  padding: 12px 18px 16px; border-top: 1px solid var(--p-border);
}
.kd-mgr-foot .stat { margin-right: auto; font-size: 11.5px; color: var(--p-muted); }
.kd-mbtn {
  height: 30px; padding: 0 13px; border-radius: 8px; flex: none;
  background: var(--p-field); border: 1px solid var(--p-border);
  color: var(--p-text); font-size: 12.5px; cursor: pointer;
  transition: border-color .12s, filter .12s;
}
.kd-mbtn:hover { border-color: var(--p-border-hot); }
.kd-mbtn.primary { background: var(--p-primary); border-color: var(--p-primary); color: var(--p-on-primary); font-weight: 600; }
.kd-mbtn.primary:hover { filter: brightness(1.08); }
.kd-mbtn.danger { background: var(--p-red); border-color: var(--p-red); color: var(--p-on-primary); font-weight: 600; }
[data-theme="dark"] .kd-mbtn.danger { color: #1A0E0E; }
.kd-mbtn.danger:hover { filter: brightness(1.08); }

/* ---- 弹层内的迷你录入 / 确认 ---- */
.kd-mini {
  position: absolute; top: 44%; left: 50%; transform: translate(-50%, -50%);
  width: min(460px, 92vw); z-index: 5;
  background: var(--p-card); border: 1px solid var(--p-border-hot); border-radius: 12px;
  padding: 16px 18px 14px; box-shadow: 0 18px 60px rgba(0, 0, 0, .55);
  animation: kdPopIn .15s ease;
}
.kd-mini .hd { font-size: 14px; font-weight: 650; color: var(--p-text); margin-bottom: 8px; }
.kd-mini .st { font-size: 11.5px; color: var(--p-faint); line-height: 1.6; margin-bottom: 6px; }
.kd-mini .msg { font-size: 13px; color: var(--p-text); line-height: 1.8; white-space: pre-line; }
.kd-mini .ft { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }

/* ============================ 八、大图查看器（FR-K14 · 恒定深色） ============================ */

/* ============================ 大图查看器（相册式） ============================
   结构：顶部信息+工具条 / 中间图片（左右翻页）/ 底部缩略图条。
   以前所有按钮挤在一条 26px 高的胶囊里、没有翻页、没有缩略图，手机上一团乱。 */
.kd-viewer {
  position: fixed; inset: 0; z-index: 150; background: #0B0B0B;
  display: none; flex-direction: column;
  padding: env(safe-area-inset-top, 0px) 0 env(safe-area-inset-bottom, 0px);
}
.kd-viewer.open { display: flex; }

/* 顶部：文件名 / 元信息 / 工具 */
.kd-vtop {
  flex: none; display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 10px 14px; background: rgba(18, 18, 18, .96);
  border-bottom: 1px solid #262626;
}
.kd-vtop .nm {
  font-size: 13px; color: #EDEDED; font-weight: 600;
  max-width: 40vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.kd-vtop .meta { font-size: 11.5px; color: #8C8C8C; font-variant-numeric: tabular-nums; }
.kd-vtop .sp { flex: 1 1 auto; }
.kd-vtop .pct { color: #BFBFBF; font-size: 11.5px; min-width: 38px; text-align: center; }
.kd-vtop .kd-vbtn.close { margin-left: 4px; }

/* 中间：图片舞台 */
.kd-viewer .stage {
  position: relative; flex: 1 1 auto; min-height: 0; overflow: hidden;
  display: flex; align-items: center; justify-content: center;   /* flex 才能让 max-height:100% 有确定参照 */
  cursor: default; touch-action: none;
}
.kd-viewer .stage.grabbing { cursor: grabbing; }
.kd-viewer .stage img {
  /* 宽高都用 max-*，等比缩到舞台内（宽图/竖图/方图都完整可见）。
     放在 flex 容器里才有效；Grid 的隐式行高度是 auto，百分比会失效。 */
  max-width: 100%; max-height: 100%; width: auto; height: auto;
  object-fit: contain; user-select: none; -webkit-user-drag: none;
  transform-origin: center center; will-change: transform;
  cursor: inherit;
}
/* 左右翻页：大圆钮，悬停才明显 */
.kd-vnav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 46px; height: 46px; border-radius: 50%; padding: 0;
  background: rgba(30, 30, 30, .62); border: 1px solid #3A3A3A; color: #EDEDED;
  display: grid; place-items: center;          /* 图标用 SVG，居中由 grid 保证 */
  cursor: pointer; z-index: 3; opacity: .55; transition: opacity .15s, background .15s;
}
.kd-vnav svg { display: block; }
.kd-vnav:hover { opacity: 1; background: rgba(52, 52, 52, .9); }
.kd-vnav.prev { left: 14px; }
.kd-vnav.next { right: 14px; }
.kd-vnav[hidden] { display: none; }

/* 底部缩略图条 */
.kd-vthumbs {
  flex: none; display: flex; gap: 8px; padding: 10px 14px 14px;
  background: rgba(18, 18, 18, .96); border-top: 1px solid #262626;
  overflow-x: auto; scrollbar-width: thin;
}
.kd-vthumbs[hidden] { display: none; }
.kd-vthumb {
  flex: none; width: 62px; height: 62px; border-radius: 8px; padding: 0;
  overflow: hidden; cursor: pointer; background: #1A1A1A;
  border: 2px solid transparent; transition: border-color .14s, transform .14s;
}
.kd-vthumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.kd-vthumb:hover { transform: translateY(-2px); }
.kd-vthumb.on { border-color: #F5C518; }      /* 当前项：黄框，和手机相册一致 */
.kd-vthumb.miss { display: grid; place-items: center; color: #666; font-size: 11px; }

/* 底部提示（单张时也给点说明） */
.kd-vhint {
  flex: none; text-align: center; font-size: 11px; color: #7A7A7A;
  padding: 0 0 8px; background: rgba(18, 18, 18, .96);
}

@media (max-width: 640px) {
  /* 手机上只留「缩放 / 关闭」——旋转翻转复位用不上，还会把图片区挤小 */
  .kd-vtop { padding: 8px 10px; gap: 6px; flex-wrap: nowrap; }
  .kd-vtop .nm { max-width: 40vw; font-size: 12px; }
  .kd-vtop .meta { font-size: 10.5px; }
  .kd-vtop .kd-vbtn { padding: 0 7px; }
  .kd-vtop .kd-vbtn[data-kd="view-rot"],
  .kd-vtop .kd-vbtn[data-kd="view-flip"],
  .kd-vtop .kd-vbtn[data-kd="view-reset"] { display: none; }
  .kd-vnav { width: 38px; height: 38px; font-size: 22px; }
  .kd-vnav.prev { left: 6px; } .kd-vnav.next { right: 6px; }
  .kd-vthumb { width: 52px; height: 52px; }
  .kd-vhint { display: none; }          /* 手机上不需要这一长串操作说明 */
  .kd-vthumbs { padding: 8px 10px 10px; }
}

/* ============================ 九、响应式（§5.9：工具栏允许换行两行） ============================ */
@media (max-width: 1080px) {
  .kd-bar { height: auto; min-height: 46px; flex-wrap: wrap; padding: 7px 0; row-gap: 6px; }
  .kd-bar .sp { display: none; }
}
@media (max-width: 860px) {
  .kd-grid, .kd-grid.lk { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .kd-pcard .cv { height: 196px; }
}

/* ============================ 内容 / 备注 · 大窗口（2026-10-20） ============================ */

.kd-cbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 6px; }
.kd-expand {
  height: 24px; padding: 0 9px; font-size: 11.5px; font-style: normal; flex: none;
  display: inline-flex; align-items: center; gap: 4px;
}
.kd-expand .ic { width: 12px; height: 12px; }
.kd-chint { margin-top: 6px; font-size: 11.5px; line-height: 1.65; color: var(--p-faint); }
.kd-cbar .kd-chint { margin-top: 0; }
.kd-chint code, .kd-chead .st code, .kd-cfoot code {
  font-family: Consolas, "Cascadia Mono", monospace; font-size: .94em;
  background: var(--p-field); border: 1px solid var(--p-border); border-radius: 4px; padding: 0 4px;
}

.kd-covl {
  position: fixed; inset: 0; z-index: 200; background: rgba(0, 0, 0, .62);
  backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; padding: 24px 18px;
  animation: kdFadeIn .15s ease;
}
.kd-cwin {
  width: min(1180px, 100%); height: min(88vh, 920px);
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--p-card); border: 1px solid var(--p-border-hot); border-radius: 14px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, .5);
}
.kd-chead {
  flex: none; display: flex; align-items: center; gap: 12px;
  padding: 13px 18px; border-bottom: 1px solid var(--p-border);
}
.kd-chead .badge {
  width: 30px; height: 30px; border-radius: 8px; flex: none;
  display: grid; place-items: center;
  background: var(--p-field); border: 1px solid var(--p-border); color: var(--p-primary);
}
.kd-chead .tt { font-size: 15px; font-weight: 700; color: var(--p-text); }
.kd-chead .st { margin-top: 2px; font-size: 11.5px; color: var(--p-muted); }
.kd-chead .sp, .kd-cfoot .sp { flex: 1; }
.kd-cstat { font-size: 11.5px; color: var(--p-faint); font-variant-numeric: tabular-nums; white-space: nowrap; }
.kd-cprevbtn { display: none; color: var(--p-text); border-color: var(--p-border); }

.kd-cbody { flex: 1 1 auto; min-height: 0; display: grid; grid-template-columns: 1fr 1fr; }
.kd-cedit { min-height: 0; display: flex; border-right: 1px solid var(--p-border); }
.kd-cedit textarea {
  flex: 1; width: 100%; min-height: 0; border: 0; outline: 0; resize: none;
  padding: 22px 24px; background: var(--p-field); color: var(--p-text);
  font: 14.5px/1.95 "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
}
.kd-cprev { min-height: 0; overflow-y: auto; background: var(--p-bg); padding: 18px; }
.kd-cpaper {
  max-width: 720px; margin: 0 auto; padding: 34px 40px 40px;
  background: var(--p-card); border: 1px solid var(--p-border); border-radius: 10px;
  box-shadow: 0 6px 28px rgba(0, 0, 0, .12);
}
.kd-ctitle {
  font-size: 23px; line-height: 1.45; font-weight: 800; color: var(--p-text);
  letter-spacing: .2px; text-align: center; overflow-wrap: anywhere;
}
.kd-cmeta { margin-top: 8px; text-align: center; font-size: 11.5px; color: var(--p-faint); }
.kd-cline { height: 1px; background: var(--p-border); margin: 18px 0 22px; }

.kd-cpaper p {
  margin: 0 0 14px; font-size: 14.5px; line-height: 1.95; color: var(--p-text);
  text-align: justify; text-wrap: pretty; overflow-wrap: anywhere; word-break: break-word;
}
.kd-cpaper h1, .kd-cpaper h2, .kd-cpaper h3 {
  margin: 22px 0 10px; color: var(--p-text); font-weight: 700; line-height: 1.5;
  overflow-wrap: anywhere;
}
.kd-cpaper h1 { font-size: 21px; }
.kd-cpaper h2 { font-size: 18px; }
.kd-cpaper h3 { font-size: 16px; }
.kd-cpaper ul, .kd-cpaper ol { margin: 0 0 14px; padding-left: 1.6em; }
.kd-cpaper li {
  margin: 5px 0; font-size: 14.5px; line-height: 1.9; color: var(--p-text);
  text-align: justify; overflow-wrap: anywhere;
}
.kd-cpaper blockquote {
  margin: 0 0 14px; padding: 8px 14px; border-left: 3px solid var(--p-primary);
  background: var(--p-field); color: var(--p-muted); border-radius: 0 8px 8px 0;
  font-size: 14px; line-height: 1.85;
}
.kd-cpaper code {
  font-family: Consolas, "Cascadia Mono", monospace; font-size: .92em;
  background: var(--p-field); border: 1px solid var(--p-border); border-radius: 4px; padding: 1px 5px;
}
.kd-cpaper a { color: var(--p-primary); text-decoration: underline; text-underline-offset: 2px; }
.kd-cpaper hr { border: 0; border-top: 1px solid var(--p-border); margin: 18px 0; }
.kd-cgap { height: 8px; }

.kd-cfoot {
  flex: none; display: flex; align-items: center; gap: 10px;
  padding: 11px 18px; border-top: 1px solid var(--p-border); background: var(--p-card);
}
.kd-cfoot .kd-chint { margin: 0; }

@media (max-width: 900px) {
  .kd-covl { padding: 0; }
  .kd-cwin { width: 100%; height: 100%; border-radius: 0; border: 0; }
  .kd-cbody { grid-template-columns: 1fr; }
  .kd-cedit { border-right: 0; }
  .kd-cprev { display: none; }
  .kd-cbody.preview .kd-cedit { display: none; }
  .kd-cbody.preview .kd-cprev { display: block; }
  .kd-cprevbtn { display: inline-flex; }
  .kd-chead .st, .kd-cfoot .kd-chint { display: none; }
  .kd-cpaper {
    padding: 24px 20px 30px; border: 0; border-radius: 0;
    box-shadow: none; background: transparent;
  }
}

/* ---- 文档卡（与图片卡同一套视觉，缩略图区用主题色渐变铺底） ---- */
.kd-grid.dc { grid-template-columns: repeat(auto-fill, minmax(248px, 1fr)); }

.kd-dcard {
  display: flex; flex-direction: column;
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  background: var(--card); cursor: pointer;
  transition: transform .16s, border-color .16s, box-shadow .16s;
}
.kd-dcard:hover {
  transform: translateY(-2px);
  border-color: var(--text3);
  box-shadow: 0 8px 22px rgba(0, 0, 0, .22);
}

.kd-dthumb {
  position: relative; height: 118px; overflow: hidden;
  display: grid; place-items: center;
  background: var(--card2);
}
.kd-dthumb.ph {
  background:
    radial-gradient(100% 80% at 18% 8%, color-mix(in srgb, var(--dc, #666) 42%, transparent), transparent 66%),
    radial-gradient(90% 70% at 88% 100%, color-mix(in srgb, var(--dc, #666) 20%, transparent), transparent 60%),
    var(--card2);
}
.kd-dthumb .ic { position: relative; z-index: 1; filter: drop-shadow(0 2px 8px rgba(0,0,0,.35)); }
.kd-dthumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.kd-dthumb .ic { opacity: .95; display: grid; place-items: center; }
.kd-dthumb .ic svg { width: 34px; height: 34px; }

.kd-dbody { display: flex; flex-direction: column; gap: 6px; padding: 11px 13px 12px; }
.kd-dtitle {
  font-size: 13px; font-weight: 650; color: var(--text); line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.kd-dsm {
  font-size: 11.5px; color: var(--text3); line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.kd-dfile {
  display: flex; align-items: center; gap: 5px; margin-top: 2px;
  max-width: 100%; padding: 3px 7px; border-radius: 6px; cursor: pointer;
  border: 1px solid var(--line); background: var(--card2);
  font-size: 11px; font-family: inherit; text-align: left;
  transition: border-color .14s;
}
.kd-dfile:hover { border-color: var(--text3); }
.kd-dfile span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kd-dfile svg { flex: none; }

.kd-dfoot {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  margin-top: 3px; padding-top: 8px; border-top: 1px solid var(--line-soft);
}
.kd-dtime { font-size: 10.5px; color: var(--text3); font-variant-numeric: tabular-nums; white-space: nowrap; }
.kd-dfoot .kd-catpill { flex: 0 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---- 文档卡 v2：缩略图区有层次、附件行不抢戏 ---- */
.kd-dthumb {
  height: 104px;
  /* 底色先垫一层带类型色的实色（深色主题下才不会发黑），再叠两团光 */
  background:
    radial-gradient(130% 120% at 16% 0%, color-mix(in srgb, var(--dc, #666) 46%, transparent), transparent 62%),
    radial-gradient(95% 85% at 92% 114%, color-mix(in srgb, var(--dc, #666) 26%, transparent), transparent 58%),
    linear-gradient(158deg, color-mix(in srgb, var(--dc, #666) 16%, var(--card)), var(--card2) 72%);
  border-bottom: 1px solid var(--line-soft);
}
/* 缩略图区底边一条类型色细线，让每种类型的卡有辨识度 */
.kd-dthumb.ph::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: linear-gradient(90deg, var(--sc, var(--dc, #666)), transparent 76%);
  opacity: .6;
}
/* 图标装进半透明圆角底衬，不再是"一个孤零零的灰图标躺在空白里" */
.kd-dthumb .ic {
  width: 52px; height: 52px; border-radius: 14px;
  background: color-mix(in srgb, var(--card) 60%, transparent);
  border: 1px solid color-mix(in srgb, var(--dc, #666) 30%, transparent);
  display: grid; place-items: center;
  box-shadow: 0 8px 20px -10px rgba(0, 0, 0, .55);
  backdrop-filter: blur(1px);
}
.kd-dthumb .ic svg { width: 26px; height: 26px; }

/* 附件行：去掉边框 / 底色，只留一行轻文字，悬停才下划线 */
.kd-dfile {
  border: 0 !important;
  background: transparent !important;
  padding: 0 !important;
  margin-top: 5px;
  gap: 5px;
  justify-content: flex-start;
  max-width: 100%;
  color: var(--text3) !important;
  font-size: 11px;
  text-align: left;
}
.kd-dfile.has { color: var(--text2) !important; }
.kd-dfile:hover { color: var(--text) !important; }
.kd-dfile span {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 2px;
  transition: text-decoration-color .14s, color .14s;
}
.kd-dfile:hover span { text-decoration-color: currentColor; }

/* 卡片正文再收紧一点，重心往下 */
.kd-dbody { padding: 10px 13px 11px; gap: 5px; }
.kd-dfoot { margin-top: 4px; padding-top: 7px; }

/* 附件读不出来时的兜底（hydrateThumbs → 标缺 会把内容换成「缺」） */
.kd-dthumb.missing {
  background: var(--card2);
  color: var(--text3);
  font-size: 12px;
  letter-spacing: .05em;
}
.kd-dthumb.missing::after { display: none; }

/* 窄屏下文档卡改成单列（248px 最小宽在手机上会溢出） */
@media (max-width: 640px) {
  .kd-grid.dc { grid-template-columns: 1fr; }
  .kd-dthumb { height: 92px; }
}

/* ============================================================================
   知识记录 · 悬停动态（与其它页统一手感）
   ============================================================================ */
.kd-pcard, .kd-lcard { transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease; }
.kd-pcard:hover, .kd-lcard:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 0, 0, .14); }
.kd-frow { transition: background .14s ease, transform .14s ease; }
.kd-frow:hover { transform: translateX(2px); }
.kd-tbtn { transition: transform .12s ease, background .14s ease, border-color .14s ease, color .14s ease; }
.kd-tbtn:hover { transform: translateY(-1px); }

@media (prefers-reduced-motion: reduce) {
  .kd-pcard, .kd-lcard, .kd-frow, .kd-tbtn { transition: none; }
  .kd-pcard:hover, .kd-lcard:hover, .kd-frow:hover, .kd-tbtn:hover { transform: none; }
}

/* 知识记录 · 悬停 v2 收敛版：卡片只抬 1px、投影减半，行不再横移 */
.kd-pcard:hover, .kd-lcard:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0, 0, 0, .10); }
.kd-frow:hover { transform: none; background: color-mix(in srgb, var(--text) 5%, transparent); }
.kd-tbtn:hover { transform: none; }

/* ============================================================================
   知识记录 · 卡片内边距加大（用户反馈"字和边框靠得太近"）
   ----------------------------------------------------------------------------
   `.kd-pcard` 原来没有任何内边距：图片贴边、标题/摘要在图片边框外面直接顶到卡片两侧，
   小屏下一行字几乎压着边线。现在整卡留 9/10px 内边距，文字有了呼吸空间。
   顺便把 hover 从"只给图片换边框色"改成"整卡淡边框 + 1px 抬升"，和别的卡片一致。
   ============================================================================ */
.kd-pcard {
  padding: 9px 10px 11px;
  border-radius: 13px;
  border: 1px solid transparent;
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease, transform .16s ease;
}
.kd-pcard:hover {
  border-color: var(--p-border);
  background: var(--p-card);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .10);
}
.kd-pcard:hover .cv { border-color: var(--p-border); }   /* 别再单独把图片边框染成主色 */
.kd-pcard .tt { margin-top: 9px; }
.kd-pcard .sm { margin-top: 3px; }

/* 文件行左右也给点内边距，别贴着列表边缘 */
.kd-frow { padding: 12px 10px; }

/* ============================================================================
   大图查看器 · 顶部工具条与按钮（重做）
   —— 上一版把 .kd-vbtn 的基础样式删掉了，按钮退回浏览器默认灰块，很难看。
   ============================================================================ */
.kd-vbtn {
  height: 30px; min-width: 30px; padding: 0 9px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px; border: 1px solid transparent;
  background: transparent; color: #D6D6D6;
  font: inherit; font-size: 12px; line-height: 1;
  cursor: pointer; white-space: nowrap;
  transition: background .14s ease, color .14s ease, border-color .14s ease;
}
.kd-vbtn:hover { background: rgba(255, 255, 255, .10); color: #FFF; }
.kd-vbtn:active { background: rgba(255, 255, 255, .16); }

/* 缩放：一体式胶囊 [− 112% ＋] */
.kd-vgroup {
  display: inline-flex; align-items: center; gap: 0;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 999px; padding: 2px;
}
.kd-vgroup .kd-vbtn { height: 26px; min-width: 26px; border-radius: 999px; padding: 0 6px; }
.kd-vgroup .pct {
  min-width: 46px; text-align: center; font-size: 12px; color: #EDEDED;
  font-variant-numeric: tabular-nums; user-select: none;
}

/* 关闭：圆形，悬停变红 */
.kd-vtop .kd-vbtn.close {
  width: 30px; height: 30px; border-radius: 50%; padding: 0;
  background: rgba(255, 255, 255, .07); border-color: rgba(255, 255, 255, .09);
}
.kd-vtop .kd-vbtn.close:hover { background: #C0392B; border-color: #C0392B; color: #FFF; }

/* 缩略图条：张数少时整排居中；张数多到溢出时仍能正常左右滚动
   （直接 justify-content:center 在溢出时会把左侧顶出可视区、滚不回来，所以用首尾 margin:auto） */
.kd-vthumbs { justify-content: flex-start; }
.kd-vthumbs > .kd-vthumb:first-child { margin-left: auto; }
.kd-vthumbs > .kd-vthumb:last-child { margin-right: auto; }