/* ==========================================================================
   Luna · XP 复古 —— Z-BlogPHP 主题样式
   蓝天草丘桌面 / Luna 窗口 / 任务栏 / 开始菜单 / 三套经典配色
   ========================================================================== */

/* ---------- 1. 变量与三套配色 ---------------------------------------------- */
html[data-scheme="blue"] {
  --xp-bar-a: #3f8ff5;
  --xp-bar-b: #0571e8;
  --xp-bar-c: #0054e3;
  --xp-frame: #0054e3;
  --xp-start-a: #7ddb7d;
  --xp-start-b: #3c9c3c;
  --xp-start-c: #237e23;
  --xp-tray-a: #12a3f2;
  --xp-tray-b: #0f78d8;
  --xp-tb-a: #4993e6;
  --xp-tb-b: #2157c9;
  --xp-tb-c: #1941a5;
  --xp-task-a: #4d8be8;
  --xp-task-b: #2a5ec8;
  --xp-task-c: #1b4aa8;
}
html[data-scheme="olive"] {
  --xp-bar-a: #c2cd8d;
  --xp-bar-b: #8a9a41;
  --xp-bar-c: #6f7b2e;
  --xp-frame: #6f7b2e;
  --xp-start-a: #d3dd9a;
  --xp-start-b: #8a9a41;
  --xp-start-c: #5f6c1f;
  --xp-tray-a: #b3c46e;
  --xp-tray-b: #7d8c33;
  --xp-tb-a: #9aa65a;
  --xp-tb-b: #6f7b2e;
  --xp-tb-c: #55601f;
  --xp-task-a: #8a9a41;
  --xp-task-b: #6f7b2e;
  --xp-task-c: #55601f;
}
html[data-scheme="silver"] {
  --xp-bar-a: #e3e3e3;
  --xp-bar-b: #a5a5a5;
  --xp-bar-c: #7f7f7f;
  --xp-frame: #7f7f7f;
  --xp-start-a: #e8e8e8;
  --xp-start-b: #9d9d9d;
  --xp-start-c: #6e6e6e;
  --xp-tray-a: #cfcfcf;
  --xp-tray-b: #8f8f8f;
  --xp-tb-a: #b5b5b5;
  --xp-tb-b: #8f8f8f;
  --xp-tb-c: #6e6e6e;
  --xp-task-a: #a5a5a5;
  --xp-task-b: #8f8f8f;
  --xp-task-c: #6e6e6e;
}

:root {
  --xp-face: #ece9d8;
  --xp-face-2: #f4f2ea;
  --xp-face-3: #e3dfc8;
  --xp-line: #aca899;
  --xp-line-2: #d4d0c8;
  --xp-ink: #1a1a1a;
  --xp-ink-2: #4a4a44;
  --xp-ink-3: #807f76;
  --xp-field: #ffffff;
  --xp-select: #316ac5;
  --xp-paper: #ffffff;
  --xp-doc-ink: #26261f;
  --xp-btn-border: #003c74;
  --xp-yellow: #ffffe1;

  --xp-bar-text: #ffffff;

  --xp-font: Tahoma, "Microsoft YaHei", "MS Sans Serif", SimSun, "宋体", Verdana, sans-serif;
  --xp-mono: Consolas, "Courier New", monospace;

  /* 主题编辑可覆盖：正文字号 / 窗口圆角 */
  --xp-doc-size: 14px;
  --xp-rad: 6px;
}

/* ---------- 2. 基础 -------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  overflow-x: clip;
  background: #245edb; /* 壁纸加载前的兜底 */
  color: var(--xp-ink);
  font-family: var(--xp-font);
  font-size: 13px;
  line-height: 1.65;
}

a { color: #1a3fb8; text-decoration: none; }
a:hover { color: #e25400; text-decoration: underline; }

[hidden] { display: none !important; }

img { max-width: 100%; height: auto; }

::selection { background: var(--xp-select); color: #fff; }

/* XP 风格滚动条 */
::-webkit-scrollbar { width: 16px; height: 16px; }
::-webkit-scrollbar-track {
  background: repeating-linear-gradient(180deg, #f1efe2 0 2px, #e9e6d5 2px 4px);
  border: 1px solid var(--xp-line-2);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, #f5f3e9, #d8d4c0 55%, #c3bfa8);
  border: 1px solid #9a9685;
  border-radius: 3px;
  box-shadow: inset 1px 1px 0 #fff;
}
::-webkit-scrollbar-thumb:hover { background: linear-gradient(90deg, #fff, #e4e0cd 55%, #cfcbb4); }

/* ---------- 3. 桌面壁纸 ---------------------------------------------------- */
.xp-wall {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    url("wall.jpg") center / cover no-repeat,
    linear-gradient(180deg, #2f6fbf 0%, #6ba7e0 45%, #9cc76a 68%, #4e8b23 100%);
}
.xp-wall::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 90% at 50% 30%, transparent 60%, rgba(0, 0, 30, 0.14));
  pointer-events: none;
}

/* ---------- 4. 标题栏与菜单栏 ---------------------------------------------- */
.xp-titlebar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 30px;
  z-index: 120;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 6px 0 8px;
  background: linear-gradient(180deg,
    var(--xp-bar-a) 0%,
    var(--xp-bar-b) 9%,
    var(--xp-bar-c) 45%,
    var(--xp-bar-b) 88%,
    var(--xp-bar-a) 100%);
  border-bottom: 1px solid #0831d9;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 1px 4px rgba(0, 0, 40, 0.35);
  color: var(--xp-bar-text);
  user-select: none;
}
.xp-titlebar__ico {
  width: 17px; height: 17px;
  flex: none;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 35% 30%, #7db9f7, #1a54c8 70%);
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  font: italic 700 12px/1 Georgia, serif;
  letter-spacing: 0;
}
.xp-titlebar__ico b { color: #fff; text-shadow: 1px 1px 0 rgba(0, 0, 60, 0.6); }
.xp-titlebar__text {
  flex: 1;
  min-width: 0;
  font-weight: 700;
  font-size: 12.5px;
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.65);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.xp-titlebar__btns { display: flex; gap: 2px; flex: none; }
.xp-tbbtn {
  width: 21px; height: 21px;
  border: 1px solid #fff;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--xp-tb-a) 0%, var(--xp-tb-b) 45%, var(--xp-tb-c) 100%);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.5);
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
}
.xp-tbbtn i { display: block; position: relative; width: 10px; height: 10px; }
.xp-tbbtn[data-tb="min"] i::before {
  content: ""; position: absolute; left: 0; bottom: 1px;
  width: 8px; height: 2px; background: #fff;
}
.xp-tbbtn[data-tb="max"] i::before {
  content: ""; position: absolute; inset: 1px;
  border: 1px solid #fff; border-top-width: 2px;
}
.xp-tbbtn--close { background: linear-gradient(180deg, #f2a38f 0%, #dd5b3f 45%, #c53a1e 100%); }
.xp-tbbtn--close i::before,
.xp-tbbtn--close i::after {
  content: ""; position: absolute; left: -1px; top: 4px;
  width: 12px; height: 2px; background: #fff;
  transform: rotate(45deg);
}
.xp-tbbtn--close i::after { transform: rotate(-45deg); }
.xp-tbbtn:active { filter: brightness(0.85); }
html[data-scheme="silver"] .xp-titlebar,
html[data-scheme="silver"] .xp-tbbtn { color: #202020; }
html[data-scheme="silver"] .xp-titlebar__text { text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.55); }

/* 菜单栏 */
.xp-menubar {
  position: fixed;
  top: 30px; left: 0; right: 0;
  height: 30px;
  z-index: 110;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  background: linear-gradient(180deg, var(--xp-face-2), var(--xp-face-3));
  border-bottom: 1px solid var(--xp-line);
  box-shadow: inset 0 1px 0 #fff;
}
.xp-menubar__nav { min-width: 0; overflow-x: auto; scrollbar-width: none; }
.xp-menubar__nav::-webkit-scrollbar { display: none; }
.xp-menu {
  list-style: none;
  display: flex;
  align-items: stretch;
  margin: 0;
  padding: 0;
  white-space: nowrap;
}
.xp-menu li { display: flex; }
.xp-menu a {
  display: flex;
  align-items: center;
  padding: 0 13px;
  color: var(--xp-ink);
  font-size: 12.5px;
}
.xp-menu a:hover {
  background: var(--xp-select);
  color: #fff;
  text-decoration: none;
}
.xp-menubar__tools { display: flex; align-items: stretch; padding-right: 6px; flex: none; }
.xp-toolbtn {
  display: flex;
  align-items: center;
  gap: 5px;
  border: 1px solid transparent;
  background: none;
  padding: 0 9px;
  font: 12.5px var(--xp-font);
  color: var(--xp-ink);
  cursor: pointer;
}
.xp-toolbtn:hover {
  border-color: #b8b39a;
  background: linear-gradient(180deg, #fffdf2, #f0edda);
  box-shadow: inset 0 0 0 1px #fdfbe9;
}
.xp-toolbtn__ico { width: 15px; height: 15px; display: inline-block; position: relative; flex: none; }
.xp-toolbtn__ico--scheme::before {
  content: ""; position: absolute; inset: 2px;
  border-radius: 50%;
  border: 2px solid #1a54c8;
  border-right-color: #3c9c3c;
  border-bottom-color: #d8b023;
  transform: rotate(35deg);
}
.xp-toolbtn__ico--search::before {
  content: ""; position: absolute; left: 1px; top: 1px;
  width: 8px; height: 8px;
  border: 2px solid #55503f;
  border-radius: 50%;
}
.xp-toolbtn__ico--search::after {
  content: ""; position: absolute; right: 2px; bottom: 2px;
  width: 5px; height: 2px;
  background: #55503f;
  transform: rotate(45deg);
}

/* 搜索条 */
.xp-findbar {
  position: fixed;
  top: 60px; left: 0; right: 0;
  z-index: 109;
  background: var(--xp-face);
  border-bottom: 1px solid var(--xp-line);
  box-shadow: 0 3px 8px rgba(0, 0, 40, 0.18);
  padding: 8px 14px;
}
.xp-findbar__form {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 860px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.xp-findbar label { font-weight: 700; font-size: 12px; }

/* ---------- 5. 主区域布局 -------------------------------------------------- */
.xp-main { padding: 68px 16px 58px; min-height: 60vh; }
.xp-wrap {
  max-width: 1040px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 264px;
  gap: 18px;
  align-items: start;
}
.xp-wrap--single { max-width: 1120px; grid-template-columns: minmax(0, 1fr) 240px; }
.xp-content { min-width: 0; display: flex; flex-direction: column; gap: 18px; }

/* ---------- 6. XP 窗口 ------------------------------------------------------ */
.xp-window {
  background: var(--xp-face);
  border: 1px solid var(--xp-frame);
  border-radius: 8px 8px 0 0;
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.6),
    2px 2px 0 rgba(0, 20, 80, 0.22),
    0 10px 26px rgba(0, 20, 60, 0.25);
}
.xp-window--panel { border-radius: 6px 6px 0 0; }

.xp-win__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 5px 0 7px;
  border-radius: 7px 7px 0 0;
  background: linear-gradient(180deg,
    var(--xp-bar-a) 0%,
    var(--xp-bar-b) 10%,
    var(--xp-bar-c) 46%,
    var(--xp-bar-b) 88%,
    var(--xp-bar-a) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
  color: var(--xp-bar-text);
  user-select: none;
}
.xp-win__ico {
  width: 15px; height: 15px;
  flex: none;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  position: relative;
}
.xp-win__ico--folder { background-image: url("icons/folder.svg"); }
.xp-win__ico--doc { background-image: url("icons/note.svg"); }
.xp-win__ico--welcome { background-image: url("icons/info.svg"); }
.xp-win__ico--tree { background-image: url("icons/folder.svg"); }
.xp-win__ico--msg { background-image: url("icons/mail.svg"); }
.xp-win__ico--bin { background-image: url("icons/binfull.svg"); }
.xp-win__title {
  flex: 1;
  min-width: 0;
  font-size: 12.5px;
  font-weight: 700;
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.6);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
html[data-scheme="silver"] .xp-win__title,
html[data-scheme="silver"] .xp-win__bar { color: #202020; text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.6); }
.xp-win__btns { display: flex; gap: 2px; flex: none; }
.xp-wbtn {
  width: 18px; height: 17px;
  border-radius: 3px;
  border: 1px solid #fff;
  background: linear-gradient(180deg, #7ea6f2, #2450c2);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.45);
  display: inline-block;
}
.xp-wbtn--close { background: linear-gradient(180deg, #f2a38f, #c53a1e); }

.xp-win__toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px 6px;
  background: linear-gradient(180deg, #fbf9ef, var(--xp-face-3));
  border-bottom: 1px solid var(--xp-line-2);
  box-shadow: inset 0 1px 0 #fff;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
}
.xp-win__toolbar::-webkit-scrollbar { display: none; }
.xp-tool {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid transparent;
  background: none;
  padding: 3px 8px;
  font: 12px var(--xp-font);
  color: var(--xp-ink);
  cursor: pointer;
}
button.xp-tool:hover,
.xp-tool--flat:hover {
  border-color: #b8b39a;
  background: linear-gradient(180deg, #fffdf2, #efeccc);
}
.xp-tool--flat { cursor: default; }
.xp-toolsep { width: 1px; height: 16px; background: var(--xp-line); box-shadow: 1px 0 0 #fff; margin: 0 4px; flex: none; }
.xp-tool--addr { flex: 1; min-width: 140px; cursor: default; }
.xp-addr {
  flex: 1;
  display: inline-block;
  border: 1px solid #7f9db9;
  background: #fff;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--xp-ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 380px;
  vertical-align: middle;
}
.xp-addr--link { color: #1a3fb8; }
.xp-addr--link:hover { color: #e25400; }

.xp-win__body { background: var(--xp-face); }
.xp-win__body--list { padding: 0 0 12px; }
.xp-win__body--doc { background: var(--xp-paper); }

.xp-win__status {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 22px;
  padding: 0 8px;
  background: var(--xp-face);
  border-top: 1px solid #fff;
  box-shadow: 0 -1px 0 var(--xp-line) inset;
  font-size: 11.5px;
  color: var(--xp-ink-2);
}
.xp-win__status span:first-child {
  border: 1px solid var(--xp-line-2);
  background: var(--xp-face-2);
  padding: 0 8px;
  box-shadow: inset 1px 1px 0 #fff;
}
.xp-win__status span + span { margin-left: auto; }
.xp-win__grip {
  width: 14px; height: 12px;
  flex: none;
  background:
    radial-gradient(circle at 12px 3px, #9a9685 1px, transparent 1.4px),
    radial-gradient(circle at 8px 7px, #9a9685 1px, transparent 1.4px),
    radial-gradient(circle at 4px 11px, #9a9685 1px, transparent 1.4px);
}

/* ---------- 7. 首屏：桌面 + 欢迎窗口 --------------------------------------- */
.xp-hero {
  max-width: 1040px;
  margin: 0 auto;
  min-height: min(58vh, 520px);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 12px 0 34px;
}
.xp-hero--slim { min-height: 0; padding: 10px 0 8px; }

.xp-icons {
  position: absolute;
  left: 4px;
  top: 14px;
  bottom: 10px;
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 2px;
  z-index: 3;
}
.xp-icon {
  width: 86px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 4px 2px;
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
  font: 12px/1.35 var(--xp-font);
  color: #fff;
  text-shadow: 1px 1px 2px rgba(0, 0, 50, 0.9), 0 0 6px rgba(0, 0, 50, 0.6);
}
.xp-icon:hover {
  border-color: rgba(255, 255, 255, 0.65);
  background: rgba(49, 106, 197, 0.4);
  text-decoration: none;
  color: #fff;
}
.xp-icon:focus-visible { outline: 1px dotted #fff; }
.xp-icon__img {
  width: 34px; height: 34px;
  display: block;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}
.xp-icon__img--pc { background-image: url("icons/pc.svg"); }
.xp-icon__img--doc { background-image: url("icons/doc.svg"); }
.xp-icon__img--cpl { background-image: url("icons/cpl.svg"); }
.xp-icon__img--net { background-image: url("icons/net.svg"); }
.xp-icon__img--bin { background-image: url("icons/bin.svg"); }
.xp-icon__img--tt {
  background-image: url("icons/ttplayer.svg");
  position: relative;
  filter: drop-shadow(0 1px 2px rgba(0, 20, 70, 0.45));
}
.xp-icon.is-playing .xp-icon__img--tt::after {
  content: "\266B";
  position: absolute;
  right: -5px;
  top: -4px;
  font: bold 13px/1 var(--xp-font);
  color: #ffe45c;
  text-shadow: 0 0 4px rgba(255, 170, 0, 0.9), 1px 1px 1px rgba(0, 0, 0, 0.65);
  animation: xpNoteBounce 1.1s ease-in-out infinite;
}

.xp-hero__win { width: min(660px, 100%); }
.xp-hero__body {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 26px 28px;
}
.xp-hero__art { flex: none; }
.xp-hero__art i {
  display: block;
  width: 92px; height: 92px;
  border-radius: 6px;
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px var(--xp-line), 3px 3px 10px rgba(0, 30, 90, 0.35);
  background:
    radial-gradient(90% 70% at 50% 82%, #6fae35 0 42%, transparent 43%),
    linear-gradient(180deg, #2f7fd8 0%, #8fc3f0 55%, #d8eefb 70%, #6fae35 71%, #4e8b23 100%);
  position: relative;
  overflow: hidden;
}
.xp-hero__art i::before {
  content: ""; position: absolute; left: 16px; top: 14px;
  width: 26px; height: 13px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 30px 8px 0 -4px #fff, 12px 20px 0 -6px #fff;
  opacity: 0.95;
}
.xp-hero__txt { min-width: 0; }
.xp-hero__kicker { font-size: 11.5px; color: var(--xp-ink-3); margin: 0 0 4px; }
.xp-hero__title {
  margin: 0 0 8px;
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: 1px;
  color: #0a246a;
  text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.9);
}
.xp-hero__title--sm { font-size: clamp(20px, 4vw, 28px); }
.xp-hero__sub { margin: 0 0 10px; color: var(--xp-ink-2); font-size: 13.5px; }
.xp-hero__hint { margin: 0 0 14px; color: var(--xp-ink-3); font-size: 12.5px; }

/* XP 按钮 */
.xp-btn {
  display: inline-block;
  border: 1px solid var(--xp-btn-border);
  border-radius: 3px;
  background: linear-gradient(180deg, #fdfdf9 0%, #f1eee0 47%, #e3dfc8 53%, #f4f2e8 100%);
  box-shadow: inset 0 0 0 1px #fff;
  padding: 5px 18px;
  font: 12.5px var(--xp-font);
  color: var(--xp-ink);
  cursor: pointer;
  text-decoration: none;
}
.xp-btn:hover {
  box-shadow: inset 0 0 0 1px #fff, inset 0 0 6px #ffd98a;
  border-color: #e79a2f;
  text-decoration: none;
  color: var(--xp-ink);
}
.xp-btn:active { background: linear-gradient(180deg, #e3dfc8, #f1eee0); box-shadow: inset 1px 1px 2px rgba(0, 0, 0, 0.15); }
.xp-btn--primary {
  border-color: #1a4fc0;
  background: linear-gradient(180deg, #6ea8f2 0%, #2f6fd8 48%, #1b55c0 54%, #4a86e8 100%);
  color: #fff;
  font-weight: 700;
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.5);
  padding: 6px 22px;
}
.xp-btn--primary:hover {
  color: #fff;
  border-color: #0a3a9a;
  box-shadow: inset 0 0 0 1px #cfe0ff, inset 0 0 8px rgba(255, 255, 255, 0.35);
}
.xp-btn--sm { padding: 2px 10px; font-size: 12px; }
.xp-btn--ghost {
  background: rgba(255, 255, 255, 0.12);
  border-color: #8ea6ce;
  color: #e8f0ff;
  box-shadow: none;
}
.xp-btn--ghost:hover { background: rgba(255, 255, 255, 0.2); color: #fff; box-shadow: none; border-color: #fff; }
.xp-btn.is-disabled, .xp-btn:disabled { color: var(--xp-ink-3); cursor: default; opacity: 0.6; }

/* ---------- 8. 列表：资源管理器详细信息视图 --------------------------------- */
.xp-listhead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 108px 96px 84px;
  gap: 8px;
  padding: 4px 12px;
  background: linear-gradient(180deg, #fdfcf6, #eee9d2);
  border-bottom: 1px solid var(--xp-line);
  box-shadow: inset 0 1px 0 #fff;
  font-size: 12px;
  font-weight: 700;
  color: var(--xp-ink-2);
  user-select: none;
}
.xp-listhead__col { text-align: right; }
.xp-list { display: flex; flex-direction: column; }
.xp-row { border-bottom: 1px dotted #dcd8c2; }
.xp-row:last-child { border-bottom: 0; }
.xp-row__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 108px 96px 84px;
  gap: 8px;
  align-items: center;
  padding: 7px 12px;
  color: var(--xp-ink);
}
.xp-row__ico {
  grid-column: 1;
  grid-row: 1;
  width: 17px; height: 16px;
  margin-right: 7px;
  flex: none;
  display: inline-block;
  vertical-align: -3px;
  background: url("icons/folder.svg") center/contain no-repeat;
  position: relative;
  top: 3px;
  margin-right: 0;
}
.xp-row__name {
  grid-column: 1; grid-row: 1;
  font-weight: 700;
  font-size: 13.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-left: 24px;
  position: relative;
}
.xp-row__name::before {
  content: ""; position: absolute; left: 0; top: 2px;
  width: 17px; height: 15px;
  border: 1px solid #c99020;
  border-radius: 1px;
  background: linear-gradient(180deg, #ffdf8f 0 28%, #f0b73a 28% 100%);
}
.xp-row__name::after {
  content: ""; position: absolute; left: 0; top: 1px;
  width: 7px; height: 4px;
  background: #c99020;
  border-radius: 1px 1px 0 0;
}
.xp-row__date, .xp-row__cmt, .xp-row__view {
  font-size: 12px;
  color: var(--xp-ink-2);
  text-align: right;
  white-space: nowrap;
}
.xp-row__link:hover { background: var(--xp-select); color: #fff; text-decoration: none; }
.xp-row__link:hover .xp-row__date,
.xp-row__link:hover .xp-row__cmt,
.xp-row__link:hover .xp-row__view { color: #fff; }
.xp-row__intro {
  margin: 0;
  padding: 0 12px 8px 43px;
  font-size: 12px;
  /* 新 Chrome 会把 -webkit-box 降级，line-clamp 截断高度与绘制不同步会把第三行字切成半行；
     改用「行高 × 2 的定高 + overflow」，截断边永远齐行界 */
  line-height: 20px;
  max-height: 40px;
  overflow: hidden;
  color: var(--xp-ink-3);
}
.xp-row__link:hover + .xp-row__intro { background: var(--xp-select); color: #dce8ff; }

.xp-empty { padding: 34px 16px; text-align: center; color: var(--xp-ink-2); }
.xp-empty__hint { font-size: 12px; color: var(--xp-ink-3); margin: 4px 0 0; }

/* ---------- 8b. 列表视图切换：详细信息 / 平铺 / 缩略图 ----------------------- */
.xp-window:has(> .xp-viewmenu) { position: relative; }
.xp-tool--view { margin-left: auto; }
.xp-tool__caret {
  display: inline-block;
  width: 0; height: 0;
  margin-left: 5px; margin-bottom: 1px;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4px solid currentColor;
}
.xp-viewmenu {
  position: absolute;
  right: 10px;
  top: 33px;
  z-index: 40;
  min-width: 136px;
  padding: 2px;
  background: #fff;
  border: 1px solid #7a96df;
  box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.35);
}
.xp-viewmenu button {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  padding: 4px 9px;
  border: 0;
  background: none;
  font: 12px var(--xp-font);
  color: var(--xp-ink);
  text-align: left;
  cursor: pointer;
}
.xp-viewmenu button::before { content: ""; flex: none; width: 11px; font-size: 11px; line-height: 1; }
.xp-viewmenu button.is-on::before { content: "✓"; }
.xp-viewmenu button:hover { background: var(--xp-select); color: #fff; }

/* 视图作用域：#xpViewRoot 上的 is-tile / is-thumb（默认详细信息不加类） */
.xp-win__body--list.is-tile .xp-listhead,
.xp-win__body--list.is-thumb .xp-listhead { display: none; }
.xp-row__cover { display: none; }

/* 平铺 */
.xp-win__body--list.is-tile .xp-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(292px, 1fr));
  gap: 10px;
  padding: 12px;
}
.xp-win__body--list.is-tile .xp-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  align-content: start;
  column-gap: 10px;
  padding: 10px 12px;
  border: 1px solid #e3dfc9;
  background: #fffdf4;
}
.xp-win__body--list.is-tile .xp-row:hover {
  border-color: var(--xp-select);
  background: #f2f7fe;
}
.xp-win__body--list.is-tile .xp-row__link { display: contents; }
.xp-win__body--list.is-tile .xp-row__ico {
  grid-column: 1;
  grid-row: 1 / span 3;
  width: 36px;
  height: 34px;
  margin: 2px 0 0;
  top: 0;
  background-size: auto 34px;
}
.xp-win__body--list.is-tile .xp-row__name {
  grid-column: 2;
  grid-row: 1;
  padding-left: 0;
  white-space: normal;
  font-size: 13px;
  line-height: 1.35;
  color: #1c3f94;
}
.xp-win__body--list.is-tile .xp-row__name::before,
.xp-win__body--list.is-tile .xp-row__name::after { display: none; }
.xp-win__body--list.is-tile .xp-row__date,
.xp-win__body--list.is-tile .xp-row__cmt {
  grid-column: 2;
  text-align: left;
  font-size: 11px;
}
.xp-win__body--list.is-tile .xp-row__date { grid-row: 2; }
.xp-win__body--list.is-tile .xp-row__cmt { grid-row: 3; }
.xp-win__body--list.is-tile .xp-row__view { display: none; }
.xp-win__body--list.is-tile .xp-row__intro {
  grid-column: 1 / -1;
  margin-top: 5px;
  padding: 6px 2px 0;
  border-top: 1px dotted #e0dcc6;
  font-size: 11.5px;
}
.xp-win__body--list.is-tile .xp-row__intro--thumb { padding-left: 2px; max-height: none; }
.xp-win__body--list.is-tile .xp-row__thumb { display: none; }

/* 缩略图 */
.xp-win__body--list.is-thumb .xp-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 12px;
  padding: 12px;
}
.xp-win__body--list.is-thumb .xp-row {
  display: flex;
  flex-direction: column;
  padding: 7px;
  border: 1px solid #e3dfc9;
  background: #fffdf4;
}
.xp-win__body--list.is-thumb .xp-row:hover {
  border-color: var(--xp-select);
  background: #f2f7fe;
}
.xp-win__body--list.is-thumb .xp-row__cover {
  display: block;
  height: 104px;
  margin-bottom: 7px;
  border: 1px solid #b8b49c;
  background-color: #dfe9f5;
  background-size: cover;
  background-position: center;
}
/* 没抓到图的文章：Bliss 式蓝天草地占位 */
.xp-win__body--list.is-thumb .xp-row__cover:not([style]) {
  background: linear-gradient(180deg, #6fa8dc 0%, #9cc3ec 52%, #7cab52 58%, #4e8437 100%);
}
.xp-win__body--list.is-thumb .xp-row__link { display: block; padding: 0; }
.xp-win__body--list.is-thumb .xp-row__ico { display: none; }
.xp-win__body--list.is-thumb .xp-row__name {
  padding-left: 0;
  white-space: normal;
  font-size: 12.5px;
  line-height: 1.4;
  color: #1c3f94;
}
.xp-win__body--list.is-thumb .xp-row__name::before,
.xp-win__body--list.is-thumb .xp-row__name::after { display: none; }
.xp-win__body--list.is-thumb .xp-row__date {
  display: block;
  margin-top: 3px;
  text-align: left;
  font-size: 11px;
}
.xp-win__body--list.is-thumb .xp-row__cmt,
.xp-win__body--list.is-thumb .xp-row__view,
.xp-win__body--list.is-thumb .xp-row__intro { display: none; }

/* 详细信息：每行行首小缩略图（无图文章显示 Bliss 式占位） */
.xp-win__body--list.is-detail .xp-row { position: relative; }
.xp-win__body--list.is-detail .xp-row__cover {
  display: block;
  position: absolute;
  left: 12px;
  top: 10px;
  width: 60px;
  height: 45px;
  border: 1px solid #b8b49c;
  background-color: #dfe9f5;
  background-size: cover;
  background-position: center;
}
.xp-win__body--list.is-detail .xp-row__cover:not([style]) {
  background: linear-gradient(180deg, #6fa8dc 0%, #9cc3ec 52%, #7cab52 58%, #4e8437 100%);
}
.xp-win__body--list.is-detail .xp-row__cover ~ .xp-row__link { min-height: 58px; }
.xp-win__body--list.is-detail .xp-row__cover ~ .xp-row__link .xp-row__ico { display: none; }
.xp-win__body--list.is-detail .xp-row__cover ~ .xp-row__link .xp-row__name { padding-left: 62px; }
.xp-win__body--list.is-detail .xp-row__cover ~ .xp-row__link .xp-row__name::before,
.xp-win__body--list.is-detail .xp-row__cover ~ .xp-row__link .xp-row__name::after { display: none; }
.xp-win__body--list.is-detail .xp-row__cover ~ .xp-row__intro { padding-left: 84px; }
.xp-win__body--list.is-detail .xp-row__cover ~ .xp-row__intro .xp-row__thumb { display: none; }

/* 平铺：有图文章用封面图代替文件夹图标 */
.xp-win__body--list.is-tile .xp-row__cover[style] {
  display: block;
  grid-column: 1;
  grid-row: 1 / span 3;
  width: 42px;
  height: 42px;
  margin: 2px 0 0;
  border: 1px solid #b8b49c;
  background-size: cover;
  background-position: center;
}
.xp-win__body--list.is-tile .xp-row__cover[style] ~ .xp-row__link .xp-row__ico { display: none; }

/* ---------- 8c. 首页分类板块 ------------------------------------------------ */
.xp-cats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(276px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}
.xp-cat {
  padding: 10px 14px 6px;
  background: #fffef8;
  border: 1px solid #cfc9ad;
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px #fff, 1px 1px 2px rgba(0, 0, 0, 0.12);
}
.xp-cat__hd {
  margin: 0 0 8px;
  padding: 0 0 5px;
  border-bottom: 2px solid #3a6ea5;
  font-size: 15px;
  line-height: 1.3;
}
.xp-cat__hd a { color: #1c3f94; text-decoration: none; }
.xp-cat__hd a:hover { text-decoration: underline; }
.xp-cat__feat {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 8px;
}
.xp-cat__thumb {
  display: block;
  width: 92px;
  height: 66px;
  border: 1px solid #b8b49c;
  background-color: #dfe9f5;
  background-size: cover;
  background-position: center;
}
.xp-cat__thumb:not([style]) {
  background: linear-gradient(180deg, #6fa8dc 0%, #9cc3ec 52%, #7cab52 58%, #4e8437 100%);
}
.xp-cat__info { min-width: 0; }
.xp-cat__title {
  overflow: hidden;
  line-height: 18px;
  max-height: 36px;
  color: #1c3f94;
  font-weight: 700;
  font-size: 13px;
  text-decoration: none;
}
.xp-cat__title:hover { text-decoration: underline; }
.xp-cat__intro {
  margin: 3px 0 0;
  font-size: 11.5px;
  line-height: 17px;
  max-height: 34px;
  overflow: hidden;
  color: var(--xp-ink-3);
}
.xp-cat__items { list-style: none; margin: 0; padding: 0; }
.xp-cat__items li { border-top: 1px dotted #e0dcc6; }
.xp-cat__items a {
  display: block;
  padding: 5px 2px;
  font-size: 12.5px;
  color: var(--xp-ink);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.xp-cat__items a::before { content: "▸"; margin-right: 7px; font-size: 11px; color: #d9831f; }
.xp-cat__items a:hover { background: var(--xp-select); color: #fff; }
.xp-cat__items a:hover::before { color: #fff; }

/* 分页 */
.xp-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 12px 4px;
}
.xp-pager__nums { display: flex; gap: 4px; flex-wrap: wrap; }
.xp-pager__num {
  min-width: 24px;
  text-align: center;
  padding: 2px 7px;
  border: 1px solid var(--xp-btn-border);
  border-radius: 3px;
  background: linear-gradient(180deg, #fdfdf9, #e9e5d0);
  box-shadow: inset 0 0 0 1px #fff;
  font-size: 12px;
  color: var(--xp-ink);
}
.xp-pager__num:hover { background: linear-gradient(180deg, #fff, #f0ecca); text-decoration: none; }
.xp-pager__num.is-current {
  background: linear-gradient(180deg, #5f94e8, #1a55c8);
  color: #fff;
  font-weight: 700;
  border-color: #0a3a9a;
}

/* ---------- 9. 任务窗格（侧栏） -------------------------------------------- */
.xp-sidebar { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.xp-pane {
  border: 1px solid var(--xp-frame);
  border-radius: 4px;
  background: var(--xp-paper);
  box-shadow: 2px 2px 0 rgba(0, 20, 80, 0.15);
  overflow: hidden;
}
.xp-pane__head {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  background: linear-gradient(180deg, var(--xp-bar-a), var(--xp-bar-b) 60%, var(--xp-bar-c));
  color: var(--xp-bar-text);
  font-size: 12.5px;
  font-weight: 700;
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.5);
}
html[data-scheme="silver"] .xp-pane__head { color: #202020; text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.6); }
.xp-pane__ico {
  width: 13px; height: 13px;
  flex: none;
  background: url("icons/folder.svg") center/contain no-repeat;
}
.xp-pane__ico--user { background-image: url("icons/user.svg"); }
.xp-pane__ico--bulb { background-image: url("icons/bulb.svg"); }
.xp-pane__body {
  padding: 10px 12px;
  font-size: 12.5px;
}
.xp-pane__body--user { display: flex; gap: 10px; align-items: center; }
.xp-user__pic {
  width: 44px; height: 44px;
  flex: none;
  display: grid;
  place-items: center;
  border: 2px solid #2f6fd0;
  border-radius: 4px;
  background: linear-gradient(160deg, #9ed3ff, #e8f4ff 60%, #cfe6a8);
  font-size: 20px;
  font-weight: 700;
  color: #0a246a;
}
.xp-user__txt { min-width: 0; }
.xp-user__txt strong { font-size: 13.5px; }
.xp-user__txt p { margin: 2px 0 0; font-size: 12px; color: var(--xp-ink-3); }
.xp-pane__body ul { list-style: none; margin: 0; padding: 0; }
.xp-pane__body li { padding: 3px 0; border-bottom: 1px dotted #e0dcc6; }
.xp-pane__body li:last-child { border-bottom: 0; }
.xp-pane__body--tip p { margin: 0 0 6px; color: var(--xp-ink-2); }
.xp-pane__body--tip p:last-child { margin: 0; }
.xp-pane--tip { background: var(--xp-yellow); border-color: #b8a850; }

/* ---------- 10. 文章页 ------------------------------------------------------ */
.xp-doc { padding: 4px 0 8px; color: var(--xp-doc-ink); }
.xp-doc__head {
  padding: 16px 30px 12px;
  border-bottom: 2px solid var(--xp-face-3);
  box-shadow: 0 2px 0 -1px #fff;
}
.xp-doc__title {
  margin: 0 0 10px;
  font-size: clamp(20px, 3.6vw, 27px);
  line-height: 1.3;
  color: #0a246a;
}
.xp-doc__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin: 0;
  font-size: 12px;
  color: var(--xp-ink-3);
}
.xp-doc__body {
  padding: 6px 30px 14px;
  font-size: var(--xp-doc-size);
  line-height: 1.9;
}
.xp-doc__body p { margin: 0 0 1em; }
.xp-doc__body h2, .xp-doc__body h3, .xp-doc__body h4 {
  margin: 1.6em 0 0.6em;
  color: #0a246a;
  border-bottom: 1px solid var(--xp-face-3);
  padding-bottom: 4px;
}
.xp-doc__body h2 { font-size: 19px; }
.xp-doc__body h3 { font-size: 16.5px; }
.xp-doc__body h4 { font-size: 15px; }
.xp-doc__body ul, .xp-doc__body ol { padding-left: 1.6em; margin: 0 0 1em; }
.xp-doc__body li { margin: 0.2em 0; }
.xp-doc__body blockquote {
  margin: 0 0 1em;
  padding: 8px 14px;
  border-left: 4px solid #2f6fd0;
  background: #f2f7fd;
  color: var(--xp-ink-2);
}
.xp-doc__body img { border: 1px solid var(--xp-line-2); padding: 2px; background: #fff; }
.xp-doc__body a { color: #1a3fb8; text-decoration: underline; }
.xp-doc__body table { border-collapse: collapse; width: 100%; margin: 0 0 1em; font-size: 13px; }
.xp-doc__body th, .xp-doc__body td { border: 1px solid #c9c5b2; padding: 5px 9px; }
.xp-doc__body th { background: var(--xp-face-2); }

/* 代码块 = 命令提示符窗口 */
.xp-doc__body pre {
  position: relative;
  margin: 0 0 1em;
  border: 1px solid #6a675c;
  border-radius: 4px 4px 0 0;
  background: #0c0c0c;
  box-shadow: 2px 2px 0 rgba(0, 20, 80, 0.25);
  overflow: hidden;
}
.xp-doc__body pre::before {
  content: "C:\\WINDOWS\\system32\\cmd.exe";
  display: block;
  padding: 3px 10px;
  background: linear-gradient(180deg, #ece9d8, #d4d0c0);
  border-bottom: 1px solid #6a675c;
  font: 700 11px var(--xp-font);
  color: #33322c;
}
.xp-doc__body pre code {
  display: block;
  padding: 12px 14px 14px;
  background: #0c0c0c;
  color: #cccccc;
  font: 13px/1.65 var(--xp-mono);
  overflow-x: auto;
}
.xp-code-copy {
  position: absolute;
  top: 2px;
  right: 6px;
  z-index: 2;
  border: 1px solid var(--xp-btn-border);
  border-radius: 3px;
  background: linear-gradient(180deg, #fdfdf9, #e9e5d0);
  box-shadow: inset 0 0 0 1px #fff;
  font: 11px var(--xp-font);
  padding: 1px 9px;
  cursor: pointer;
  color: var(--xp-ink);
}
.xp-code-copy:hover { box-shadow: inset 0 0 0 1px #fff, inset 0 0 5px #ffd98a; }

.xp-doc__tags { padding: 8px 30px 6px; font-size: 12.5px; color: var(--xp-ink-3); }
.xp-tag {
  display: inline-block;
  margin: 0 4px 4px 0;
  padding: 1px 9px;
  border: 1px solid #7f9db9;
  border-radius: 2px;
  background: linear-gradient(180deg, #fff, #eef3fb);
  color: #1a3fb8;
}
.xp-tag:hover { background: linear-gradient(180deg, #eef3fb, #dce8fb); text-decoration: none; }

/* 相邻文章 */
.xp-adj { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* 相关文章：此文件夹中的其他文件 */
.xp-related { margin: 14px 0 4px; }
.xp-related__body { padding: 6px 8px; }
.xp-related__list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
}
.xp-related__list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-bottom: 1px dotted #e0dcc6;
}
.xp-related__list li:last-child { border-bottom: 0; }
.xp-related__list li:hover { background: var(--xp-select); }
.xp-related__list li:hover a { color: #fff; }
.xp-related__list a {
  color: var(--xp-ink);
  text-decoration: none;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.xp-related__date {
  flex: none;
  color: var(--xp-ink-3);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}
.xp-related__list li:hover .xp-related__date { color: #dce8ff; }
.xp-adj__item {
  border: 1px solid var(--xp-frame);
  background: var(--xp-face);
  border-radius: 4px;
  padding: 9px 12px;
  box-shadow: 2px 2px 0 rgba(0, 20, 80, 0.12);
}
.xp-adj__item--next { text-align: right; }
.xp-adj__item span { display: block; font-size: 11.5px; color: var(--xp-ink-3); }
.xp-adj__item b { font-size: 13px; color: var(--xp-ink); }
.xp-adj__item:hover { background: var(--xp-face-2); text-decoration: none; }

/* ---------- 11. 评论区 ------------------------------------------------------ */
.xp-comments__body { padding: 14px 18px 16px; background: var(--xp-paper); }
.xp-msg {
  list-style: none;
  margin: 0 0 10px;
  padding: 8px 12px;
  border: 1px solid #c9c5b2;
  border-radius: 3px;
  background: #fbf9f2;
}
.xp-msg__head { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.xp-msg__avatar { border: 1px solid var(--xp-line-2); border-radius: 2px; display: block; }
.xp-msg__name a { font-weight: 700; color: #0a246a; }
.xp-msg__time { color: var(--xp-ink-3); }
.xp-msg__time a { color: #1a3fb8; }
.xp-msg__body { padding: 5px 2px 0 0; font-size: 13px; }
.xp-msg .xp-msg { background: #f4f1e6; margin-top: 8px; }

.xp-commentpost { margin-top: 16px; padding-top: 14px; border-top: 2px solid var(--xp-face-3); }
.xp-commentpost__top { font-weight: 700; margin: 0 0 10px; color: #0a246a; }
.xp-commentpost__row { display: flex; align-items: center; gap: 8px; margin: 0 0 8px; flex-wrap: wrap; }
.xp-commentpost__row label { flex: none; width: 72px; font-size: 12.5px; }
.xp-text {
  border: 1px solid #7f9db9;
  border-radius: 0;
  background: var(--xp-field);
  box-shadow: inset 1px 1px 0 rgba(109, 109, 109, 0.35);
  padding: 4px 8px;
  font: 13px var(--xp-font);
  color: var(--xp-ink);
}
.xp-text:focus { outline: 1px solid #2f6fd0; outline-offset: 0; border-color: #2f6fd0; }
.xp-text--area { width: 100%; resize: vertical; margin: 0 0 4px; }
.xp-commentpost__bottom { font-size: 12px; color: var(--xp-ink-3); margin: 8px 0 0; }
.xp-comments__pagebar .xp-pager { padding: 8px 0 2px; }

/* ---------- 12. 任务栏 / 开始菜单 ------------------------------------------ */
.xp-taskbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: 34px;
  z-index: 130;
  display: flex;
  align-items: stretch;
  gap: 0;
  background: linear-gradient(180deg, var(--xp-tb-a) 0%, var(--xp-tb-b) 42%, var(--xp-tb-c) 92%, #0f2f5e 100%);
  border-top: 1px solid #0f3fbe;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
  user-select: none;
}
.xp-start {
  display: flex;
  align-items: center;
  gap: 5px;
  border: 0;
  padding: 0 20px 0 12px;
  margin-right: 6px;
  cursor: pointer;
  border-radius: 0 14px 14px 0;
  background: linear-gradient(180deg, var(--xp-start-a) 0%, var(--xp-start-b) 45%, var(--xp-start-c) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5), 1px 0 3px rgba(0, 0, 40, 0.35);
  color: #fff;
  font: italic 700 15px/1 var(--xp-font);
  text-shadow: 1px 1px 2px rgba(0, 40, 0, 0.6);
}
.xp-start:hover { filter: brightness(1.08); }
.xp-start:active, .xp-start.is-open { filter: brightness(0.9); }
.xp-start__flag {
  display: grid;
  grid-template-columns: 7px 7px;
  grid-template-rows: 7px 7px;
  gap: 1px;
  transform: skewY(-8deg);
}
.xp-start__flag i { border-radius: 1.5px; }
.xp-start__flag i:nth-child(1) { background: #f25022; }
.xp-start__flag i:nth-child(2) { background: #7fba00; }
.xp-start__flag i:nth-child(3) { background: #00a4ef; }
.xp-start__flag i:nth-child(4) { background: #ffb900; }

.xp-quick {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 8px;
  border-left: 1px solid #4d7bdc;
  box-shadow: inset 1px 0 0 #6a9bea;
}
.xp-quick__ico { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 3px; }
.xp-quick__ico:hover { background: rgba(255, 255, 255, 0.22); }
.xp-qico { width: 15px; height: 15px; display: block; background-position: center; background-repeat: no-repeat; background-size: contain; }
.xp-qico--ie { background-image: url("icons/ie.svg"); }
.xp-qico--mail { background-image: url("icons/mail.svg"); }

.xp-tasks {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 0 6px;
  overflow: hidden;
}
.xp-task {
  flex: 0 1 168px;
  min-width: 44px;
  display: flex;
  align-items: center;
  gap: 5px;
  height: 24px;
  padding: 0 8px;
  border-radius: 3px;
  border: 1px solid rgba(0, 30, 90, 0.55);
  background: linear-gradient(180deg, var(--xp-task-a), var(--xp-task-b));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
  color: #fff;
  font-size: 12px;
  overflow: hidden;
}
.xp-task span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.xp-task__ico {
  width: 14px; height: 14px;
  flex: none;
  background: url("icons/folder.svg") center/contain no-repeat;
}
.xp-task__ico--doc { background-image: url("icons/note.svg"); }
.xp-task__ico--folder { background-image: url("icons/folder.svg"); }
.xp-task.is-active {
  background: linear-gradient(180deg, var(--xp-task-c), var(--xp-task-b));
  box-shadow: inset 1px 1px 2px rgba(0, 20, 60, 0.5);
}
.xp-task:hover { filter: brightness(1.12); }

.xp-tray {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px 0 10px;
  background: linear-gradient(180deg, var(--xp-tray-a), var(--xp-tray-b));
  box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.4), inset 2px 0 0 rgba(0, 20, 80, 0.3);
  color: #fff;
  font-size: 12px;
  text-shadow: 1px 1px 1px rgba(0, 20, 80, 0.55);
}
.xp-tray__ico { display: flex; gap: 4px; }
.xp-tray__ico i { width: 12px; height: 12px; display: block; border-radius: 2px; }
.xp-tray__ico i:first-child {
  background: linear-gradient(135deg, #dfe8f4 0 45%, #8ea6ce 45% 55%, #dfe8f4 55%);
  border: 1px solid rgba(255, 255, 255, 0.6);
}
.xp-tray__ico i:last-child {
  background: conic-gradient(#9fe870 0 25%, #2f8a2f 25% 100%);
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.6);
}
.xp-tray__clock { font-variant-numeric: tabular-nums; }
.xp-tray__icp {
  color: #fff;
  text-decoration: none;
  font-size: 11px;
  white-space: nowrap;
  opacity: 0.92;
}
.xp-tray__icp:hover { text-decoration: underline; opacity: 1; }

/* 开始菜单 */
.xp-startmenu {
  position: fixed;
  left: 0;
  bottom: 34px;
  z-index: 140;
  width: 380px;
  max-width: calc(100vw - 8px);
  border: 1px solid #0831d9;
  border-radius: 8px 8px 0 0;
  overflow: hidden;
  box-shadow: 3px -3px 0 rgba(0, 20, 80, 0.2), 0 12px 32px rgba(0, 10, 50, 0.45);
  background: var(--xp-face);
}
.xp-startmenu__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: linear-gradient(180deg, var(--xp-bar-a), var(--xp-bar-b) 55%, var(--xp-bar-c));
  border-bottom: 2px solid #e8a02f;
  color: var(--xp-bar-text);
}
html[data-scheme="silver"] .xp-startmenu__head { color: #202020; }
.xp-avatar {
  width: 42px; height: 42px;
  flex: none;
  display: grid;
  place-items: center;
  border: 2px solid rgba(255, 255, 255, 0.85);
  border-radius: 4px;
  background: linear-gradient(160deg, #9ed3ff, #e8f4ff 60%, #cfe6a8);
  color: #0a246a;
  font-size: 20px;
  font-weight: 700;
  box-shadow: 2px 2px 5px rgba(0, 0, 50, 0.35);
}
.xp-startmenu__name { font-weight: 700; font-size: 14px; text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.5); }
html[data-scheme="silver"] .xp-startmenu__name { text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.6); }

.xp-startmenu__cols { display: grid; grid-template-columns: 1.25fr 1fr; }
.xp-startmenu__left {
  background: #fff;
  padding: 8px;
  border-right: 1px solid var(--xp-line-2);
}
.xp-startmenu__right {
  background: #d3e5fa;
  padding: 8px 10px;
}
.xp-startmenu__label {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 700;
  color: #5a6a8a;
  letter-spacing: 1px;
}
.xp-startmenu__note { font-size: 12px; color: #3a4a66; line-height: 1.8; margin: 6px 0 0; }
.xp-smdocs { display: flex; flex-direction: column; gap: 1px; margin-top: 4px; }
.xp-smdoc {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 12px;
  color: #24365a;
  text-decoration: none;
}
.xp-smdoc i {
  width: 14px; height: 14px;
  flex: none;
  background: url("icons/note.svg") center/contain no-repeat;
}
.xp-smdoc span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.xp-smdoc:hover { background: var(--xp-select, #2f71cd); color: #fff; text-decoration: none; }
.xp-smitem {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  border: 0;
  border-radius: 3px;
  background: none;
  font: 13px var(--xp-font);
  color: #0a246a;
  text-align: left;
  cursor: pointer;
}
.xp-smitem span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.xp-smitem:hover { background: var(--xp-select); color: #fff; text-decoration: none; }
.xp-smico {
  width: 22px; height: 22px;
  flex: none;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}
.xp-smico--ie { background-image: url("icons/ie.svg"); }
.xp-smico--find { background-image: url("icons/find.svg"); }
.xp-smico--scheme { background-image: url("icons/cpl.svg"); }
.xp-smico--user { background-image: url("icons/user.svg"); }
.xp-smico--off { background-image: url("icons/off.svg"); }
.xp-smico--tm { background-image: url("icons/tm.svg"); }
.xp-startmenu__foot {
  display: flex;
  justify-content: flex-end;
  padding: 6px 8px;
  background: var(--xp-face);
  border-top: 1px solid var(--xp-line-2);
}
.xp-smitem--foot { width: auto; font-size: 12.5px; }

/* 关机彩蛋 */
.xp-shutdown {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 26px;
  background: #000;
  color: #e8a02f;
  font-family: var(--xp-mono);
}
.xp-shutdown__text {
  font-size: clamp(18px, 4vw, 28px);
  text-align: center;
  line-height: 1.8;
  font-weight: 700;
  letter-spacing: 2px;
}

/* ---------- 13. 404 蓝屏 ---------------------------------------------------- */
.xp-404 { max-width: 900px; margin: 20px auto 40px; }
.xp-404__screen {
  background: #0000aa;
  color: #fff;
  font-family: var(--xp-mono);
  font-size: 14px;
  line-height: 1.9;
  padding: 42px 40px 36px;
  border-radius: 4px;
  box-shadow: 0 10px 30px rgba(0, 10, 60, 0.5), inset 0 0 0 2px #0000aa, inset 0 0 0 4px #aaaabb;
}
.xp-404__mono { margin: 0 0 1em; }
.xp-404__actions { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }

/* ---------- 14. 进度条 / 返回顶部 / TOC ------------------------------------ */
.xp-progress {
  position: fixed;
  top: 60px; left: 0; right: 0;
  height: 3px;
  z-index: 115;
  background: rgba(0, 0, 0, 0.12);
}
.xp-progress i {
  display: block;
  height: 100%;
  width: 0;
  background: repeating-linear-gradient(90deg, #3faf46 0 9px, #2c7f31 9px 11px, transparent 11px 13px);
  transition: width 0.1s linear;
}

.xp-top {
  position: fixed;
  right: 14px;
  bottom: 46px;
  z-index: 125;
  width: 34px; height: 30px;
  border: 1px solid var(--xp-btn-border);
  border-radius: 3px;
  background: linear-gradient(180deg, #fdfdf9, #e3dfc8);
  box-shadow: inset 0 0 0 1px #fff, 2px 2px 4px rgba(0, 20, 60, 0.3);
  font: 700 14px var(--xp-font);
  color: #0a246a;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}
.xp-top.is-show { opacity: 1; visibility: visible; transform: none; }
.xp-top:hover { box-shadow: inset 0 0 0 1px #fff, inset 0 0 6px #ffd98a; }

.xp-toc { position: sticky; top: 76px; min-width: 0; }
.xp-toc__body { padding: 8px 6px 10px; font-size: 12.5px; max-height: 60vh; overflow-y: auto; }
.xp-toc a {
  display: block;
  padding: 3px 8px;
  border-left: 3px solid transparent;
  color: var(--xp-ink-2);
}
.xp-toc a:hover { background: #eef3fb; text-decoration: none; }
.xp-toc a.is-active {
  border-left-color: var(--xp-select);
  background: #e2ecfb;
  color: #0a246a;
  font-weight: 700;
}
.xp-toc .lv2 { padding-left: 22px; }
.xp-toc .lv3 { padding-left: 36px; }

/* 移动端目录按钮与遮罩（桌面隐藏） */
.xp-tocbtn {
  display: none;
  position: fixed;
  right: 14px;
  bottom: 84px;
  z-index: 126;
  padding: 0 10px;
  height: 30px;
  border: 1px solid var(--xp-btn-border);
  border-radius: 3px;
  background: linear-gradient(180deg, #fdfdf9, #e3dfc8);
  box-shadow: inset 0 0 0 1px #fff, 2px 2px 4px rgba(0, 20, 60, 0.3);
  font: 700 12.5px var(--xp-font);
  color: #0a246a;
  cursor: pointer;
}
.xp-tocbtn:hover { box-shadow: inset 0 0 0 1px #fff, inset 0 0 6px #ffd98a; }
.xp-toc-mask {
  position: fixed;
  inset: 0;
  z-index: 144;
  background: rgba(0, 20, 60, 0.35);
}

/* ---------- 15. 响应式 ------------------------------------------------------ */
@media (max-width: 900px) {
  .xp-wrap, .xp-wrap--single { grid-template-columns: minmax(0, 1fr); }
  .xp-sidebar { order: 2; }
  /* 目录改为右侧滑出抽屉 */
  .xp-toc {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 78vw;
    max-width: 320px;
    z-index: 145;
    margin: 0;
    padding: 8px;
    overflow-y: auto;
    background: var(--xp-face);
    box-shadow: -4px 0 16px rgba(0, 10, 40, 0.35);
    transform: translateX(102%);
    transition: transform 0.25s ease;
  }
  .xp-toc.is-open { transform: none; }
  .xp-toc__body { max-height: none; }
  .xp-tocbtn { display: block; }
  .xp-icons { position: static; flex-direction: row; flex-wrap: wrap; gap: 2px; margin-bottom: 12px; }
  .xp-hero { flex-direction: column; align-items: center; padding-top: 6px; }
  .xp-hero__body { flex-direction: column; text-align: center; padding: 20px 18px; gap: 14px; }
  .xp-hero__win { width: 100%; }
}

@media (max-width: 780px) {
  .xp-titlebar { height: 28px; }
  .xp-titlebar__text { font-size: 11.5px; }
  .xp-menubar { top: 28px; }
  .xp-findbar { top: 56px; }
  .xp-progress { top: 56px; }
  .xp-main { padding: 62px 10px 52px; }
  .xp-toolbtn span { display: none; }
  .xp-toolbtn { padding: 0 7px; }

  .xp-listhead { display: none; }
  .xp-row__link {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    row-gap: 2px;
    padding: 9px 10px 5px;
  }
  .xp-row__name { padding-left: 24px; white-space: normal; font-size: 14px; }
  .xp-row__date { grid-column: 2; grid-row: 1; }
  .xp-row__cmt, .xp-row__view { display: none; }
  .xp-row__intro { padding: 0 10px 8px 34px; }
  .xp-tool--addr { display: none; }
  .xp-win__body--list.is-detail .xp-row__cover { left: 10px; top: 12px; width: 52px; height: 39px; }
  .xp-win__body--list.is-detail .xp-row__cover ~ .xp-row__link { min-height: 50px; }
  .xp-win__body--list.is-detail .xp-row__cover ~ .xp-row__link .xp-row__name { padding-left: 62px; white-space: normal; font-size: 14px; }
  .xp-win__body--list.is-detail .xp-row__cover ~ .xp-row__intro { padding-left: 72px; }

  /* 列表视图切换（窄屏） */
  .xp-cats { grid-template-columns: 1fr; gap: 10px; }
  .xp-win__body--list.is-tile .xp-list { grid-template-columns: 1fr; }
  .xp-win__body--list.is-tile .xp-row__cmt { display: block; }
  .xp-win__body--list.is-thumb .xp-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .xp-win__body--list.is-thumb .xp-row__cover { height: 84px; }

  .xp-doc__head { padding: 14px 16px 10px; }
  .xp-doc__body { padding: 4px 16px 12px; font-size: 14.5px; }
  .xp-doc__tags { padding: 6px 16px; }
  .xp-adj { grid-template-columns: 1fr; }
  .xp-adj__item--next { text-align: left; }

  .xp-start { padding: 0 12px; }
  .xp-quick { display: none; }
  .xp-tasks { display: none; }
  .xp-tray { flex: 1; justify-content: flex-end; }
  .xp-tray__icp { font-size: 10.5px; max-width: 40vw; overflow: hidden; text-overflow: ellipsis; }
  .xp-related__date { display: none; }
  .xp-related__list a { white-space: normal; }
  .xp-startmenu { width: 100vw; max-width: 100vw; left: 0; bottom: 30px; border-radius: 0; }
  .xp-startmenu__cols { grid-template-columns: 1fr; }
  .xp-startmenu__right { display: none; }
  .xp-taskbar { height: 30px; }
  .xp-top { right: 10px; bottom: 38px; }

  .xp-doc__body pre code { font-size: 12px; }
  input.xp-text, textarea.xp-text { font-size: 16px; }
  .xp-404__screen { padding: 26px 18px; font-size: 12.5px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ---------- 16. 细节增强：开机画面 / 右键菜单 / 图片查看器 ----------------- */

/* 开机启动画面 */
html.xp-no-boot .xp-boot { display: none; }
.xp-boot {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 34px;
  background: #000;
  opacity: 1;
  transition: opacity 0.5s ease;
}
.xp-boot.is-done { opacity: 0; pointer-events: none; }
.xp-boot__logo { display: flex; align-items: baseline; gap: 10px; }
.xp-boot__ms { color: #d8d8d8; font: 600 15px/1 var(--xp-font); letter-spacing: 1px; }
.xp-boot__win {
  color: #fff;
  font: italic 700 44px/1 "Franklin Gothic Medium", "Segoe UI", var(--xp-font);
  letter-spacing: 0;
  text-shadow: 0 2px 8px rgba(120, 170, 255, 0.4);
}
.xp-boot__xp {
  color: #ff8c00;
  font: italic 700 26px/1 "Franklin Gothic Medium", "Segoe UI", var(--xp-font);
  text-shadow: 0 2px 6px rgba(255, 140, 0, 0.45);
}
.xp-boot__bar {
  width: 168px;
  height: 14px;
  border: 1px solid #5a6a8a;
  border-radius: 3px;
  padding: 2px;
  display: flex;
  gap: 2px;
  overflow: hidden;
}
.xp-boot__bar i {
  width: 12px;
  border-radius: 2px;
  background: linear-gradient(180deg, #7ea6f2, #2a63d8);
  animation: xp-boot-run 1.2s linear infinite;
}
.xp-boot__bar i:nth-child(2) { animation-delay: 0.18s; }
.xp-boot__bar i:nth-child(3) { animation-delay: 0.36s; }
@keyframes xp-boot-run {
  0% { transform: translateX(-14px); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: translateX(154px); opacity: 0; }
}
.xp-boot__foot { color: #8a93a8; font: 12px var(--xp-font); margin: 0; }

/* ---------- 评论发送对话框 ---------- */
.xp-sendbox {
  position: fixed;
  inset: 0;
  z-index: 480;
  display: grid;
  place-items: center;
  background: rgba(10, 30, 70, 0.25);
}
.xp-sendbox__win {
  width: 340px;
  border: 1px solid #003c74;
  border-radius: 6px 6px 2px 2px;
  box-shadow: 0 10px 34px rgba(0, 20, 60, 0.45);
  background: #ece9d8;
  overflow: hidden;
}
.xp-sendbox__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 26px;
  padding: 0 4px 0 8px;
  background: linear-gradient(180deg, var(--xp-bar-a) 0%, var(--xp-bar-b) 9%, var(--xp-bar-c) 45%, var(--xp-bar-b) 88%, var(--xp-bar-a) 100%);
  color: #fff;
  font: bold 12.5px var(--xp-font);
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.6);
}
.xp-sendbox__x {
  width: 20px; height: 18px;
  border: 1px solid #fff;
  border-radius: 3px;
  background: linear-gradient(180deg, #f2b8a0, #d8482a 55%, #c03a20);
  color: #fff;
  font: bold 12px/15px var(--xp-font);
  cursor: pointer;
}
.xp-sendbox__body { padding: 16px 16px 12px; text-align: center; }
.xp-sendbox__ico {
  display: block;
  width: 34px; height: 34px;
  margin: 0 auto 8px;
  background: url("icons/mail.svg") center/contain no-repeat;
}
.xp-sendbox__body p { margin: 0 0 12px; font-size: 13px; color: #1a2a44; }
.xp-sendbox__prog {
  width: 200px;
  height: 14px;
  margin: 0 auto;
  border: 1px solid #5a6a8a;
  border-radius: 3px;
  padding: 2px;
  display: flex;
  gap: 2px;
  overflow: hidden;
}
.xp-sendbox__prog i {
  width: 12px;
  border-radius: 2px;
  background: linear-gradient(180deg, #7ea6f2, #2a63d8);
  animation: xp-boot-run 1.2s linear infinite;
}
.xp-sendbox__prog i:nth-child(2) { animation-delay: 0.18s; }
.xp-sendbox__prog i:nth-child(3) { animation-delay: 0.36s; }
.xp-sendbox__foot { display: flex; justify-content: center; padding: 10px 12px 12px; border-top: 1px solid #d8d2bc; }

/* 欢迎窗口入场（仿窗口恢复） */
@keyframes xp-window-in {
  from { opacity: 0; transform: scale(0.94) translateY(8px); }
  to { opacity: 1; transform: none; }
}
.xp-hero__win { animation: xp-window-in 0.45s ease 0.1s backwards; }

/* 桌面图标选中态（XP 蓝色蒙层） */
.xp-icon.is-selected {
  border-color: rgba(255, 255, 255, 0.55);
  background: rgba(49, 106, 197, 0.42);
}
.xp-icon.is-selected .xp-icon__img {
  filter: brightness(0.85) saturate(1.2) drop-shadow(0 0 4px rgba(120, 180, 255, 0.9));
}
.xp-icon.is-selected span { text-decoration: underline; }

/* 桌面右键菜单 */
.xp-ctxmenu {
  position: fixed;
  z-index: 350;
  min-width: 168px;
  padding: 3px;
  background: var(--xp-face);
  border: 1px solid var(--xp-line);
  border-radius: 3px;
  box-shadow: 3px 3px 6px rgba(0, 20, 60, 0.35);
  font: 12px var(--xp-font);
}
.xp-ctxmenu__item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 5px 18px 5px 10px;
  border: 0;
  background: none;
  font: inherit;
  color: var(--xp-ink);
  cursor: pointer;
  text-align: left;
}
.xp-ctxmenu__item:hover { background: var(--xp-select); color: #fff; }
.xp-ctxmenu__item.is-disabled { color: var(--xp-ink-3); pointer-events: none; }
.xp-ctxmenu__sep { height: 1px; margin: 3px 6px; background: var(--xp-line-2); border-bottom: 1px solid #fff; }

/* 文章图片查看器（Windows 图片和传真查看器） */
.xp-viewer {
  position: fixed;
  inset: 0;
  z-index: 360;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(20, 40, 80, 0.55);
  padding: 24px;
}
.xp-viewer__win {
  width: min(860px, 94vw);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  background: var(--xp-face);
  border: 1px solid var(--xp-frame);
  border-radius: var(--xp-rad) var(--xp-rad) calc(var(--xp-rad) / 2) calc(var(--xp-rad) / 2);
  box-shadow: 0 14px 40px rgba(0, 10, 50, 0.5);
  overflow: hidden;
}
.xp-viewer__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 4px 6px;
  background: linear-gradient(180deg, var(--xp-bar-a), var(--xp-bar-b) 55%, var(--xp-bar-c));
  color: var(--xp-bar-text);
  font-size: 12px;
  font-weight: 700;
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.6);
}
html[data-scheme="silver"] .xp-viewer__bar { color: #202020; text-shadow: 1px 1px 0 rgba(255,255,255,.6); }
.xp-viewer__btns { margin-left: auto; display: flex; gap: 2px; }
.xp-viewer__btn {
  width: 20px; height: 18px;
  border: 1px solid #fff;
  border-radius: 3px;
  background: linear-gradient(180deg, #7ea6f2, #2a63d8 45%, #1b4fc4);
  color: #fff;
  font: 700 11px/1 var(--xp-font);
  cursor: pointer;
  padding: 0;
}
.xp-viewer__stage {
  background: #33517e;
  display: grid;
  place-items: center;
  min-height: 220px;
  padding: 16px;
  overflow: auto;
}
.xp-viewer__stage img { max-width: 100%; max-height: 62vh; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5); transition: transform 0.2s ease; }
.xp-viewer__stage img.is-1x { max-width: none; max-height: none; cursor: zoom-out; }
.xp-viewer__tools {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px;
  border-top: 1px solid var(--xp-line-2);
}
.xp-viewer__info { font-size: 12px; color: var(--xp-ink-2); margin-right: 8px; }
.xp-doc__body img[data-viewer] { cursor: zoom-in; }

/* 验证码 */
.xp-text--verify { width: 76px; }
.xp-verify { height: 26px; vertical-align: middle; cursor: pointer; border: 1px solid var(--xp-line); }

/* 快捷键提示（搜索框占位） */
.xp-findbar__form kbd {
  font: 11px var(--xp-mono);
  background: var(--xp-face-2);
  border: 1px solid var(--xp-line);
  border-bottom-width: 2px;
  border-radius: 3px;
  padding: 0 4px;
  color: var(--xp-ink-2);
}

/* ---------- 17. 打印 ------------------------------------------------------- */
@media print {
  .xp-wall, .xp-titlebar, .xp-menubar, .xp-findbar, .xp-taskbar, .xp-startmenu,
  .xp-shutdown, .xp-boot, .xp-top, .xp-progress, .xp-toc, .xp-sidebar,
  .xp-ctxmenu, .xp-viewer, .xp-adj, .xp-code-copy, .xp-comments, .xp-pager { display: none !important; }
  body { background: #fff !important; }
  .xp-main { padding: 0 !important; }
  .xp-window { border: 0; box-shadow: none; background: #fff; }
  .xp-win__bar, .xp-win__toolbar, .xp-win__status { display: none; }
  .xp-doc__body { font-size: 12pt; color: #000; }
  .xp-wrap, .xp-wrap--single { grid-template-columns: 1fr; }
}

/* ---------- 18. 键盘焦点 --------------------------------------------------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 1px dotted #0a246a;
  outline-offset: 1px;
}

/* ---------- 19. 列表缩略图与正文细节 --------------------------------------- */
/* 摘要图由模板抽取为定尺寸 .xp-row__thumb（HTML width/height 兜底，CSS 不加载也不会爆） */
/* v1.9.6：行首固定缩略图取代旧浮动图后，摘要统一按两行截断，取消旧的 72px 限高（否则长摘要会被拦腰切断） */
.xp-row__thumb {
  float: left;
  width: 88px;
  height: 62px;
  object-fit: cover;
  margin: 1px 8px 2px 0;
  padding: 1px;
  border: 1px solid #7f9db9;
  background: #fff;
  vertical-align: middle;
}
.xp-row__txt { display: inline; }
.xp-row__link:hover + .xp-row__intro .xp-row__thumb { border-color: #fff; }

/* 正文：图片说明 */
.xp-doc__body figure { margin: 0 0 1em; }
.xp-doc__body figure img { display: block; margin: 0 auto; }
.xp-doc__body figcaption {
  margin-top: 5px;
  font-size: 12px;
  color: var(--xp-ink-3);
  text-align: center;
}
.xp-doc__body img { max-width: 100%; height: auto; }
.xp-doc__body img:hover { border-color: #7f9db9; }

/* 正文：分隔线（XP 蚀刻线） */
.xp-doc__body hr {
  height: 0;
  border: 0;
  border-top: 1px solid var(--xp-line-2);
  border-bottom: 1px solid #fff;
  margin: 1.6em 0;
}

/* 正文：行内代码 / 键盘键位 / 高亮 */
.xp-doc__body code {
  font-family: var(--xp-mono);
  font-size: 0.92em;
  padding: 1px 4px;
  border: 1px solid #d8d4c0;
  background: #f7f5ea;
  border-radius: 2px;
  color: #7a3a12;
}
.xp-doc__body pre code { border: 0; background: none; padding: 12px 14px 14px; color: #cccccc; }
.xp-doc__body kbd {
  font: 11.5px var(--xp-mono);
  padding: 1px 5px;
  border: 1px solid var(--xp-line);
  border-bottom-width: 2px;
  border-radius: 3px;
  background: linear-gradient(180deg, #fff, #ece9d8);
  color: var(--xp-ink);
}
.xp-doc__body mark { background: #ffff9e; color: inherit; padding: 0 2px; }

/* 正文：表格斑马纹 + 窄屏横向滚动 */
.xp-doc__body table { display: table; table-layout: auto; }
.xp-doc__body thead th {
  background: linear-gradient(180deg, #fbf9ef, #e3dfc8);
  border-color: #aca899;
  white-space: nowrap;
}
.xp-doc__body tbody tr:nth-child(even) { background: #f8f6ec; }
.xp-doc__body tbody tr:hover { background: #eef3fb; }

/* 代码块滚动条（深色，贴合命令提示符） */
.xp-doc__body pre code::-webkit-scrollbar { height: 10px; }
.xp-doc__body pre code::-webkit-scrollbar-track { background: #1a1a1a; border: 0; }
.xp-doc__body pre code::-webkit-scrollbar-thumb {
  background: #4a4a4a;
  border: 1px solid #2a2a2a;
  border-radius: 2px;
}

/* 评论区：头像与楼层细节 */
.xp-msg__avatar { background: #fff; padding: 1px; }
.xp-msg__body > p:first-child { margin-top: 0; }
.xp-msg__body > p:last-child { margin-bottom: 0; }
.xp-commentpost__row label { color: var(--xp-ink-2); }
.xp-commentpost .xp-btn[type="submit"] { min-width: 88px; font-weight: 700; }

/* 移动端：缩略图更小，避免挤压标题 */
@media (max-width: 780px) {
  .xp-row__thumb { width: 66px; height: 48px; margin-right: 6px; }
  .xp-doc__body table { display: block; overflow-x: auto; white-space: nowrap; }
}

/* ---------- 20. 窗口行为：最大化沉浸阅读 / 最小化收进任务栏 ---------- */
.xp-tbbtn { position: relative; }
.xp-tbbtn.is-on { filter: brightness(0.86) saturate(1.2); }
.xp-tbbtn.is-on::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 2px;
  box-shadow: inset 0 1px 3px rgba(0, 20, 60, 0.45);
}

/* 最大化：隐藏桌面图标/首屏/侧栏/目录，窗口铺满并居中正文 */
body.xp-zen .xp-hero,
body.xp-zen .xp-icons,
body.xp-zen .xp-sidebar,
body.xp-zen .xp-toc,
body.xp-zen .xp-quick { display: none !important; }
body.xp-zen .xp-wrap,
body.xp-zen .xp-wrap--single {
  display: block;
  max-width: none;
  padding: 0;
}
body.xp-zen .xp-main { padding: 62px 16px 52px; }
body.xp-zen .xp-window { max-width: 1020px; margin-left: auto; margin-right: auto; }
body.xp-zen .xp-adj,
body.xp-zen .xp-related,
body.xp-zen .xp-comments { max-width: 1020px; margin-left: auto; margin-right: auto; }
body.xp-zen .xp-doc__body { font-size: 15.5px; line-height: 1.95; }
body.xp-zen .xp-doc__title { font-size: 25px; }

/* 最小化：内容淡出，桌面露出"已最小化"提示 */
body.xp-min .xp-main,
body.xp-min .xp-progress,
body.xp-min .xp-top,
body.xp-min .xp-tocbtn { opacity: 0; pointer-events: none; }
.xp-minhint {
  display: none;
  position: fixed;
  inset: 0 0 30px;
  z-index: 8;
  place-items: center;
  cursor: pointer;
  text-align: center;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0, 0, 30, 0.7);
}
body.xp-min .xp-minhint { display: grid; }
.xp-minhint__ico {
  width: 40px;
  width: 46px; height: 40px;
  margin: 0 auto 10px;
  background: url("icons/pc.svg") center/contain no-repeat;
  filter: drop-shadow(0 2px 8px rgba(0, 10, 40, 0.45));
}
.xp-minhint p { margin: 0 0 4px; font-size: 15px; font-weight: 700; }
.xp-minhint small { font-size: 12px; opacity: 0.9; }
@media (max-width: 900px) {
  body.xp-zen .xp-main { padding: 58px 8px 46px; }
  body.xp-zen .xp-doc__title { font-size: 21px; }
}

/* ==========================================================================
   20 ~ 25. 系统级组件（v1.6）
   壁纸覆盖 / 屏保 / 显示属性 / 任务管理器 / 回收站 / 托盘气泡
   ========================================================================== */

/* ---------- 20. 显示属性带来的覆盖 ---------------------------------------- */
html[data-wall="none"] .xp-wall {
  background-image: linear-gradient(180deg, #2f6fbf 0%, #6ba7e0 45%, #9cc76a 68%, #4e8b23 100%);
}
html[data-wall="custom"] .xp-wall {
  background-image: var(--xp-wall-user),
    linear-gradient(180deg, #2f6fbf 0%, #6ba7e0 45%, #9cc76a 68%, #4e8b23 100%);
}
html[data-wallmode="center"] .xp-wall {
  background-size: auto, auto;
  background-position: center center, center center;
  background-repeat: no-repeat, no-repeat;
}
html[data-wallmode="tile"] .xp-wall {
  background-size: auto, auto;
  background-position: left top, left top;
  background-repeat: repeat, no-repeat;
}
html[data-font="large"] .xp-doc__body { font-size: 16.5px; }

/* ---------- 21. 屏幕保护程序（弹跳徽标） ---------------------------------- */
.xp-saver {
  position: fixed;
  inset: 0;
  z-index: 600;
  background: #000;
  overflow: hidden;
  cursor: none;
}
.xp-saver.is-on { display: block; }
.xp-saver__logo {
  position: absolute;
  left: 0; top: 0;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 14px;
  white-space: nowrap;
  will-change: transform, filter;
}
.xp-saver__flag {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 3px;
  width: 66px;
  height: 58px;
  transform: perspective(70px) rotateY(-14deg) skewY(-4deg);
  flex: none;
}
.xp-saver__flag i {
  display: block;
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4), 0 0 14px rgba(180, 215, 255, 0.35);
}
.xp-saver__flag i:nth-child(1) { background: linear-gradient(155deg, #ffb08a, #e0561d); }
.xp-saver__flag i:nth-child(2) { background: linear-gradient(155deg, #b6ef8a, #4f9c1e); }
.xp-saver__flag i:nth-child(3) { background: linear-gradient(155deg, #8fd0ff, #1c62c8); }
.xp-saver__flag i:nth-child(4) { background: linear-gradient(155deg, #ffe98a, #e0a410); }
.xp-saver__word {
  font: 700 33px/1.02 var(--xp-font);
  color: #fff;
  letter-spacing: 0.5px;
  text-shadow: 0 0 22px rgba(120, 190, 255, 0.75);
}
.xp-saver__word small {
  display: block;
  font: 400 11px/1.6 var(--xp-font);
  letter-spacing: 5px;
  color: #a9c8ee;
  text-transform: uppercase;
  text-shadow: none;
}
.xp-saver__word b {
  color: #fff;
  margin-left: 6px;
  font-size: 38px;
}
.xp-saver__hint {
  position: absolute;
  left: 0; right: 0; bottom: 24px;
  margin: 0;
  text-align: center;
  color: #5c6a80;
  font: 12px var(--xp-font);
  letter-spacing: 1px;
}
@media (max-width: 600px) {
  .xp-saver__flag { width: 46px; height: 40px; }
  .xp-saver__word { font-size: 23px; }
  .xp-saver__word b { font-size: 27px; }
}

/* ---------- 22. 「显示 属性」对话框 --------------------------------------- */
.xp-dp,
.xp-tm,
.xp-bin {
  position: fixed;
  inset: 0;
  z-index: 520;
  display: grid;
  place-items: center;
  padding: 12px;
  background: rgba(10, 30, 70, 0.26);
}
.xp-dp__win,
.xp-tm__win,
.xp-bin__win {
  width: min(432px, 96vw);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  background: var(--xp-face);
  border: 1px solid var(--xp-frame);
  border-radius: var(--xp-rad) var(--xp-rad) calc(var(--xp-rad) / 2) calc(var(--xp-rad) / 2);
  box-shadow: 0 16px 44px rgba(0, 10, 50, 0.5);
  overflow: hidden;
}
.xp-dp__bar,
.xp-tm__bar,
.xp-bin__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 27px;
  padding: 0 5px 0 8px;
  background: linear-gradient(180deg, var(--xp-bar-a) 0%, var(--xp-bar-b) 9%, var(--xp-bar-c) 45%, var(--xp-bar-b) 88%, var(--xp-bar-a) 100%);
  color: #fff;
  font: bold 12.5px var(--xp-font);
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.6);
}
.xp-dp__bar > span:first-child,
.xp-tm__bar > span:first-child,
.xp-bin__bar > span:nth-child(2) { flex: 1; }
.xp-dp__x,
.xp-bin__bar .xp-tbbtn--close {
  width: 21px; height: 19px;
  border: 1px solid #fff;
  border-radius: 3px;
  background: linear-gradient(180deg, #f6b9a2, #d8482a 55%, #b8361c);
  color: #fff;
  font: bold 12px/15px var(--xp-font);
  cursor: pointer;
  padding: 0;
}

.xp-dp__tabs,
.xp-tm__tabs { display: flex; gap: 2px; padding: 8px 8px 0; }
.xp-dp__tab,
.xp-tm__tab {
  padding: 4px 9px 5px;
  border: 1px solid var(--xp-line);
  border-bottom: 0;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, #f7f5ec, #e3dfc8);
  font: 12px var(--xp-font);
  color: var(--xp-ink-2);
  cursor: pointer;
  white-space: nowrap;
}
.xp-dp__tab.is-on,
.xp-tm__tab.is-on {
  background: linear-gradient(180deg, #ffffff, #f4f2ea);
  margin-bottom: -1px;
  padding-bottom: 6px;
  font-weight: 700;
  color: var(--xp-ink);
}
.xp-dp__body {
  flex: 1;
  min-height: 0;
  padding: 12px 14px;
  background: var(--xp-face-2);
  border-top: 1px solid var(--xp-line);
  overflow: auto;
}
.xp-dp__row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 11px;
  font-size: 12px;
  color: var(--xp-ink-2);
}
.xp-dp__row > label { flex: none; width: 96px; }
.xp-dp__row select,
.xp-dp__row input[type="text"],
.xp-dp__row input[type="number"] {
  font: 12px var(--xp-font);
  padding: 2px 4px;
  border: 1px solid #7f9db9;
  background: #fff;
  color: var(--xp-ink);
  max-width: 190px;
}
.xp-dp__row input[type="number"] { width: 56px; }
.xp-dp__hint {
  margin: 0;
  font-size: 11.5px;
  color: var(--xp-ink-3);
  line-height: 1.7;
}
.xp-dp__monitor { width: 196px; margin: 2px auto 14px; }
.xp-dp__screen {
  position: relative;
  height: 112px;
  border: 7px solid #d3d4cc;
  border-radius: 4px;
  background: #16304f;
  box-shadow: inset 0 0 0 1px #8b8c84, 0 2px 6px rgba(0, 20, 60, 0.28);
  overflow: hidden;
}
.xp-dp__wall {
  position: absolute;
  inset: 0;
  background: url("wall.jpg") center / cover no-repeat;
}
.xp-dp__mwin {
  position: absolute;
  left: 12px; top: 16px;
  width: 82px; height: 46px;
  display: flex;
  flex-direction: column;
  background: var(--xp-face);
  border: 1px solid var(--xp-frame);
  border-radius: 3px 3px 1px 1px;
  box-shadow: 2px 3px 8px rgba(0, 10, 40, 0.4);
  overflow: hidden;
}
.xp-dp__mwin i {
  display: block;
  height: 9px;
  background: linear-gradient(180deg, var(--xp-bar-a), var(--xp-bar-c));
  border-bottom: 1px solid var(--xp-frame);
}
.xp-dp__mwin span {
  flex: 1;
  font: 7px/1 var(--xp-font);
  color: var(--xp-ink-3);
  padding: 4px 4px 0;
}
.xp-dp__mbar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 13px;
  background: linear-gradient(180deg, var(--xp-tray-a), var(--xp-tray-b));
  border-top: 1px solid var(--xp-tray-b);
}
.xp-dp__mbar::before {
  content: "";
  position: absolute;
  left: 4px; top: 3px;
  width: 26px; height: 7px;
  border-radius: 3px 6px 6px 3px;
  background: linear-gradient(180deg, var(--xp-start-a), var(--xp-start-c));
}
.xp-dp__stand {
  width: 58px; height: 11px;
  margin: 0 auto;
  background: linear-gradient(180deg, #dcd9ca, #b0ad9e);
  border-radius: 0 0 5px 5px;
  box-shadow: 0 2px 4px rgba(0, 10, 40, 0.25);
}
.xp-dp__walls { display: flex; gap: 8px; flex-wrap: wrap; }
.xp-dp__wallopt {
  width: 74px;
  padding: 3px;
  border: 1px solid var(--xp-line);
  border-radius: 2px;
  background: #fff;
  cursor: pointer;
  font: 10.5px var(--xp-font);
  color: var(--xp-ink-2);
}
.xp-dp__wallopt i {
  display: block;
  height: 40px;
  margin-bottom: 2px;
  border: 1px solid #9a9685;
  background: #2f6fbf center / cover no-repeat;
}
.xp-dp__wallopt--none {
  background-image: linear-gradient(180deg, #2f6fbf 0%, #6ba7e0 45%, #9cc76a 68%, #4e8b23 100%);
}
.xp-dp__wallopt--url { background-image: none; background-color: #e8e8e0; }
.xp-dp__wallopt.is-on { border-color: var(--xp-select); box-shadow: 0 0 0 1px var(--xp-select); }
.xp-dp__foot {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 12px;
  background: var(--xp-face);
  border-top: 1px solid var(--xp-line-2);
}
.xp-dp__foot .xp-btn { min-width: 74px; padding: 4px 12px; }

/* ---------- 23. Windows 任务管理器 --------------------------------------- */
.xp-tm__win { width: min(452px, 96vw); }
.xp-tm__menu {
  display: flex;
  gap: 13px;
  padding: 3px 10px 4px;
  font: 12px var(--xp-font);
  color: var(--xp-ink-2);
  border-bottom: 1px solid var(--xp-line-2);
}
.xp-tm__body {
  flex: 1;
  min-height: 0;
  padding: 8px;
  background: var(--xp-face-2);
  border-top: 1px solid var(--xp-line);
}
.xp-tm__pane {
  display: flex;
  flex-direction: column;
  height: 232px;
  background: #fff;
  border: 1px solid #7f9db9;
  overflow: hidden;
}
.xp-tm__head {
  display: grid;
  background: linear-gradient(180deg, #fbfaf3, #e8e4cf);
  border-bottom: 1px solid var(--xp-line);
  font: 11.5px var(--xp-font);
  color: var(--xp-ink-2);
  flex: none;
}
.xp-tm__head span {
  padding: 3px 6px;
  border-right: 1px solid var(--xp-line-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.xp-tm__head--apps { grid-template-columns: minmax(0, 1fr) 78px; }
.xp-tm__head--procs { grid-template-columns: minmax(0, 1fr) 60px 38px 60px; }
.xp-tm__rows { flex: 1; overflow: auto; }
.xp-tm__row { font: 12px var(--xp-font); color: var(--xp-ink); }
.xp-tm__row:nth-child(even) { background: #f8f8f3; }
.xp-tm__row:hover { background: var(--xp-select); color: #fff; }
.xp-tm__row--apps { display: grid; grid-template-columns: minmax(0, 1fr) 78px; }
.xp-tm__row--procs { display: grid; grid-template-columns: minmax(0, 1fr) 60px 38px 60px; }
.xp-tm__row span {
  padding: 2px 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.xp-tm__row span:not(:first-child) { font-variant-numeric: tabular-nums; }
.xp-tm__perf { padding: 4px; }
.xp-tm__label {
  margin: 4px 0 3px;
  font: 11.5px var(--xp-font);
  color: var(--xp-ink-2);
}
.xp-tm__perf canvas {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #4a5a6a;
  background: #000;
  border-radius: 2px;
}
.xp-tm__actions {
  display: flex;
  justify-content: flex-end;
  padding: 6px 8px;
  background: var(--xp-face);
}
.xp-tm__actions .xp-btn { padding: 3px 12px; }
.xp-tm__status {
  display: flex;
  background: var(--xp-face);
  border-top: 1px solid var(--xp-line-2);
  font: 11.5px var(--xp-font);
  color: var(--xp-ink-2);
}
.xp-tm__status span {
  flex: 1;
  padding: 3px 8px;
  border-right: 1px solid var(--xp-line-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.xp-tm__status b { color: var(--xp-ink); font-weight: 700; }

/* ---------- 24. 回收站 ---------------------------------------------------- */
.xp-bin__win { width: min(500px, 96vw); }
.xp-bin__toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px 6px;
  background: linear-gradient(180deg, #fbf9ef, var(--xp-face-3));
  border-bottom: 1px solid var(--xp-line-2);
  box-shadow: inset 0 1px 0 #fff;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
}
.xp-bin__toolbar::-webkit-scrollbar { display: none; }
.xp-bin__body {
  flex: 1;
  min-height: 190px;
  max-height: 54vh;
  margin: 6px;
  background: #fff;
  border: 1px solid #7f9db9;
  overflow: auto;
}
.xp-bin__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 96px;
  font: 12px var(--xp-font);
}
.xp-bin__row:hover { background: var(--xp-select); }
.xp-bin__row:hover a { color: #fff; }
.xp-bin__row span,
.xp-bin__row a {
  padding: 3px 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.xp-bin__row a { display: flex; align-items: center; gap: 6px; }
.xp-bin__row a i {
  flex: none;
  width: 16px; height: 16px;
  background: url("icons/doc.svg") center/contain no-repeat;
}
.xp-bin__row .xp-bin__date { color: var(--xp-ink-3); font-variant-numeric: tabular-nums; }
.xp-bin__row:hover .xp-bin__date { color: #e8f0ff; }
.xp-bin__empty {
  padding: 46px 16px;
  text-align: center;
  color: var(--xp-ink-3);
  font-size: 12.5px;
}
.xp-bin__empty i {
  display: block;
  width: 48px; height: 48px;
  margin: 0 auto 10px;
  background: url("icons/bin.svg") center/contain no-repeat;
  opacity: 0.75;
}
.xp-bin__status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 8px;
  background: var(--xp-face);
  border-top: 1px solid var(--xp-line-2);
  font: 11.5px var(--xp-font);
  color: var(--xp-ink-2);
}

/* ---------- 25. 托盘气泡提示 --------------------------------------------- */
.xp-balloon {
  position: fixed;
  right: 12px;
  bottom: 48px;
  z-index: 500;
  width: min(272px, 84vw);
  padding: 8px 26px 10px 12px;
  background: var(--xp-yellow);
  border: 1px solid #8f8f6f;
  border-radius: 8px;
  box-shadow: 3px 4px 12px rgba(0, 20, 60, 0.35);
  font: 12px var(--xp-font);
  animation: xp-bubble-in 0.22s ease-out;
}
.xp-balloon::after {
  content: "";
  position: absolute;
  right: 26px;
  bottom: -7px;
  width: 12px; height: 12px;
  background: var(--xp-yellow);
  border-right: 1px solid #8f8f6f;
  border-bottom: 1px solid #8f8f6f;
  transform: rotate(45deg);
}
.xp-balloon__x {
  position: absolute;
  right: 5px; top: 4px;
  width: 16px; height: 16px;
  border: 0;
  background: none;
  color: #6d6d55;
  font: bold 14px/1 var(--xp-font);
  cursor: pointer;
  padding: 0;
}
.xp-balloon__x:hover { color: #c03a20; }
.xp-balloon__title {
  margin: 0 0 3px;
  font-weight: 700;
  color: #3a3a28;
}
.xp-balloon__text { margin: 0; color: #4a4a36; line-height: 1.6; }
@keyframes xp-bubble-in {
  from { opacity: 0; transform: translateY(8px) scale(0.97); }
  to { opacity: 1; transform: none; }
}

/* ---------- 26. 以上组件的移动端适配 -------------------------------------- */
@media (max-width: 780px) {
  .xp-dp__win, .xp-tm__win, .xp-bin__win { width: 100%; max-height: 94vh; }
  .xp-dp__row > label { width: 78px; }
  .xp-dp__monitor { width: 160px; }
  .xp-dp__screen { height: 94px; }
  .xp-tm__pane { height: 210px; }
  .xp-tm__head--procs,
  .xp-tm__row--procs { grid-template-columns: minmax(0, 1fr) 38px 54px; }
  .xp-tm__head--procs span:nth-child(2),
  .xp-tm__row--procs span:nth-child(2) { display: none; }
  .xp-tm__menu { gap: 8px; font-size: 11px; }
  .xp-balloon { right: 8px; bottom: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  .xp-balloon { animation: none; }
}

/* ---------- 27. Windows Media Player（背景音乐） -------------------------- */
.xp-tray__media {
  appearance: none;
  border: 0;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #fff;
  font: 12px/1 var(--xp-font);
  cursor: pointer;
  padding: 0;
  border-radius: 2px;
  text-shadow: 0 1px 1px rgba(0, 20, 60, 0.5);
}
.xp-tray__media:hover { background: rgba(255, 255, 255, 0.18); }
.xp-tray__media i { font-style: normal; }
.xp-tray__media i::before { content: "♪"; }
.xp-tray__media.is-on i::before {
  content: "♫";
  animation: xpNoteBounce 1.1s ease-in-out infinite;
}
@keyframes xpNoteBounce {
  0%, 100% { transform: translateY(0) rotate(-8deg); }
  50% { transform: translateY(-1.5px) rotate(8deg); }
}
.xp-smico--wmp { background-image: url("icons/wmp.svg"); }

.xp-wmp {
  position: fixed;
  right: 10px;
  bottom: 44px;
  z-index: 515;
  width: min(430px, calc(100vw - 20px));
}
.xp-wmp__win {
  display: flex;
  flex-direction: column;
  background: var(--xp-face);
  border: 1px solid var(--xp-frame);
  border-radius: var(--xp-rad) var(--xp-rad) calc(var(--xp-rad) / 2) calc(var(--xp-rad) / 2);
  box-shadow: 0 14px 40px rgba(0, 10, 50, 0.45);
  overflow: hidden;
}
.xp-wmp__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 27px;
  padding: 0 5px 0 8px;
  background: linear-gradient(180deg, var(--xp-bar-a) 0%, var(--xp-bar-b) 9%, var(--xp-bar-c) 45%, var(--xp-bar-b) 88%, var(--xp-bar-a) 100%);
  color: #fff;
  font: bold 12.5px var(--xp-font);
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.6);
}
.xp-wmp__ico {
  width: 16px;
  height: 16px;
  flex: none;
  background: url("icons/wmp.svg") center/contain no-repeat;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 40, 0.4));
}
.xp-wmp__title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.xp-wmp__body { display: flex; min-height: 0; }
.xp-wmp__side {
  width: 122px;
  flex: none;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--xp-line-2);
  background: var(--xp-face-2);
  padding: 6px 0 4px;
}
.xp-wmp__label {
  margin: 0 8px 4px;
  font: bold 11px var(--xp-font);
  color: var(--xp-ink-2);
}
.xp-wmp__list {
  flex: 1;
  overflow: auto;
  max-height: 148px;
  padding: 0 4px 2px;
}
.xp-wmp__item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 3px 6px;
  font: 12px var(--xp-font);
  color: var(--xp-ink);
  background: none;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.xp-wmp__item:hover { background: #e8f2fd; }
.xp-wmp__item.is-on { background: var(--xp-select); color: #fff; }
.xp-wmp__main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 8px;
}
.xp-wmp__screen {
  border: 2px solid #17171c;
  background: #0a1030;
  border-radius: 2px;
  line-height: 0;
}
.xp-wmp__screen canvas { width: 100%; height: auto; display: block; }
.xp-wmp__now {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font: 12px var(--xp-font);
  min-width: 0;
}
.xp-wmp__now > span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.xp-wmp__time { flex: none; color: var(--xp-ink-2); font-variant-numeric: tabular-nums; }
.xp-wmp__track {
  position: relative;
  height: 14px;
  border: 1px solid var(--xp-line);
  border-radius: 2px;
  background: linear-gradient(180deg, #f4f2e8, #dcd8c4);
  cursor: pointer;
}
.xp-wmp__track i {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  border-radius: 1px 0 0 1px;
  background: repeating-linear-gradient(90deg, #3f8a2b 0 4px, #6cc44e 4px 6px);
}
.xp-wmp__ctl { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.xp-wmp__btn {
  min-width: 30px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--xp-btn-border);
  border-radius: 3px;
  background: linear-gradient(180deg, #fdfdfb, #e3dfc8 45%, #d2cdb2);
  cursor: pointer;
  padding: 0 6px;
}
.xp-wmp__btn:hover { background: linear-gradient(180deg, #ffffff, #efeccb 45%, #ddd7ba); }
.xp-wmp__btn:active { background: linear-gradient(180deg, #cfc9ae, #e3dfc8); }
.xp-wmp__btn--big { width: 40px; height: 28px; }
.xp-wmp__btn--txt { font: 11px var(--xp-font); color: var(--xp-ink); }
.xp-wmp__btn.is-off { opacity: 0.45; }
/* 播放模式按钮：四态图标（顺序 / 列表循环 / 单曲循环 / 随机），用 mask 跟随主题墨色 */
.xp-wmp__btn--mode { padding: 0 4px; }
.xp-wmp__m {
  display: block;
  width: 15px;
  height: 15px;
  background: var(--xp-ink);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: 50% 50%;
  mask-position: 50% 50%;
  -webkit-mask-size: 15px 15px;
  mask-size: 15px 15px;
}
.xp-wmp__btn--mode[data-mode="seq"] .xp-wmp__m {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M3 6h9'/%3E%3Cpath d='M3 12h9'/%3E%3Cpath d='M3 18h9'/%3E%3C/g%3E%3Cpath d='M16.4 7.8 21.8 12l-5.4 4.2z' fill='%23000'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M3 6h9'/%3E%3Cpath d='M3 12h9'/%3E%3Cpath d='M3 18h9'/%3E%3C/g%3E%3Cpath d='M16.4 7.8 21.8 12l-5.4 4.2z' fill='%23000'/%3E%3C/svg%3E");
}
.xp-wmp__btn--mode[data-mode="loop"] .xp-wmp__m {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4.6 10.6V9.5A2.5 2.5 0 0 1 7.1 7h12'/%3E%3Cpath d='M16.4 4.2 19.4 7l-3 2.8'/%3E%3Cpath d='M19.4 13.4v1.1a2.5 2.5 0 0 1-2.5 2.5h-12'/%3E%3Cpath d='M7.6 19.8 4.6 17l3-2.8'/%3E%3C/g%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4.6 10.6V9.5A2.5 2.5 0 0 1 7.1 7h12'/%3E%3Cpath d='M16.4 4.2 19.4 7l-3 2.8'/%3E%3Cpath d='M19.4 13.4v1.1a2.5 2.5 0 0 1-2.5 2.5h-12'/%3E%3Cpath d='M7.6 19.8 4.6 17l3-2.8'/%3E%3C/g%3E%3C/svg%3E");
}
.xp-wmp__btn--mode[data-mode="one"] .xp-wmp__m {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='8.2'/%3E%3Cpath d='M10.1 10.5 12.1 9.2v6.2'/%3E%3C/g%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='8.2'/%3E%3Cpath d='M10.1 10.5 12.1 9.2v6.2'/%3E%3C/g%3E%3C/svg%3E");
}
.xp-wmp__btn--mode[data-mode="shuffle"] .xp-wmp__m {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 3h5v5'/%3E%3Cpath d='M4 20L21 3'/%3E%3Cpath d='M21 16v5h-5'/%3E%3Cpath d='M15 15l6 6'/%3E%3Cpath d='M4 4l5 5'/%3E%3C/g%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 3h5v5'/%3E%3Cpath d='M4 20L21 3'/%3E%3Cpath d='M21 16v5h-5'/%3E%3Cpath d='M15 15l6 6'/%3E%3Cpath d='M4 4l5 5'/%3E%3C/g%3E%3C/svg%3E");
}
.xp-wmp__g { display: block; width: 0; height: 0; }
.xp-wmp__g--play {
  border-left: 10px solid var(--xp-ink);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  margin-left: 2px;
}
.xp-wmp__g--pause { width: 4px; height: 12px; border-left: 4px solid var(--xp-ink); border-right: 4px solid var(--xp-ink); }
.xp-wmp__g--prev, .xp-wmp__g--next { position: relative; width: 14px; height: 10px; }
.xp-wmp__g--prev::before, .xp-wmp__g--prev::after,
.xp-wmp__g--next::before, .xp-wmp__g--next::after {
  content: "";
  position: absolute;
  top: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}
.xp-wmp__g--prev::before { left: 0; border-right: 6px solid var(--xp-ink); }
.xp-wmp__g--prev::after { left: 7px; border-right: 6px solid var(--xp-ink); }
.xp-wmp__g--next::before { right: 0; border-left: 6px solid var(--xp-ink); }
.xp-wmp__g--next::after { right: 7px; border-left: 6px solid var(--xp-ink); }
.xp-wmp__volwrap { display: inline-flex; align-items: center; gap: 4px; margin-left: auto; }
.xp-wmp__volico { font-style: normal; font-size: 11px; color: var(--xp-ink-2); }
.xp-wmp__volico::before { content: "♪"; }
.xp-wmp__volwrap input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 84px;
  height: 16px;
  background: transparent;
  cursor: pointer;
}
.xp-wmp__volwrap input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border: 1px solid var(--xp-line);
  border-radius: 2px;
  background: linear-gradient(180deg, #efede2, #d6d2bc);
}
.xp-wmp__volwrap input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 14px;
  margin-top: -6px;
  border: 1px solid var(--xp-btn-border);
  border-radius: 2px;
  background: linear-gradient(180deg, #ffffff, #d8d4c0);
}
.xp-wmp__volwrap input[type="range"]::-moz-range-track {
  height: 4px;
  border: 1px solid var(--xp-line);
  border-radius: 2px;
  background: linear-gradient(180deg, #efede2, #d6d2bc);
}
.xp-wmp__volwrap input[type="range"]::-moz-range-thumb {
  width: 10px;
  height: 14px;
  border: 1px solid var(--xp-btn-border);
  border-radius: 2px;
  background: linear-gradient(180deg, #ffffff, #d8d4c0);
}
.xp-wmp__status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  height: 22px;
  padding: 0 8px;
  border-top: 1px solid var(--xp-line-2);
  background: var(--xp-face-2);
  font: 11px var(--xp-font);
  color: var(--xp-ink-2);
}

@media (max-width: 780px) {
  .xp-wmp { right: 6px; left: 6px; bottom: 42px; width: auto; }
  .xp-wmp__side { display: none; }
  .xp-wmp__volwrap input[type="range"] { width: 64px; }
}

/* ---------- 28. XP 指针与经典滚动条 ---------------------------------------- */
:root {
  --xp-cur-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath d='M4 2 L4 25.4 L10.2 19.6 L14 27.8 L18.2 26 L14.4 17.9 L22 17.9 Z' fill='%23ffffff' stroke='%23000000' stroke-width='1.5' stroke-linejoin='round'/%3E%3C/svg%3E") 4 2, default;
  --xp-cur-text: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cg fill='none' stroke='%23000000' stroke-width='1.1' stroke-linecap='round'%3E%3Cpath d='M8 3v10'/%3E%3Cpath d='M6 1.6h4M6 14.4h4'/%3E%3C/g%3E%3C/svg%3E") 8 8, text;
  --xp-cur-wait: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath d='M8 3h16v3.4L17.4 15 24 23.6V27H8v-3.4L14.6 15 8 6.4Z' fill='%23ffffff' stroke='%23000000' stroke-width='1.4' stroke-linejoin='round'/%3E%3Cpath d='M17.6 16.4 24 23.6V27H8v-3.4z' fill='%23d9b45c'/%3E%3Cpath d='M11.4 5.4h9.2L16 11.6Z' fill='%23d9b45c' opacity='.55'/%3E%3C/svg%3E") 16 16, wait;
}
html { cursor: var(--xp-cur-arrow); }
.xp-doc__body, .xp-doc__body p, .xp-doc__body li, .xp-cmt__text, .xp-np__body, .xp-cmd__out,
input[type="text"], input[type="search"], input[type="email"], input[type="url"], textarea {
  cursor: var(--xp-cur-text);
}
body.is-busy, body.is-busy * { cursor: var(--xp-cur-wait) !important; }

html { scrollbar-color: #c8d9ef #f2f1e6; }
::-webkit-scrollbar { width: 17px; height: 17px; }
::-webkit-scrollbar-track { background: #f2f1e6; box-shadow: inset 1px 0 0 #d8d5c5; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #fcfcf7 0%, #e6effb 45%, #c8dbef 100%);
  border: 1px solid #93a9c4;
  border-radius: 1px;
  box-shadow: inset 1px 1px 0 #ffffff, inset -1px -1px 0 #c3d2e4;
  min-height: 30px;
}
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #ffffff, #f0f7ff 45%, #d8e9fd); }
::-webkit-scrollbar-thumb:active { background: linear-gradient(180deg, #b9cde6, #dbe9fa); }
::-webkit-scrollbar-corner { background: #f2f1e6; }
::-webkit-scrollbar-button:single-button {
  background-color: #f2f1e6;
  border: 1px solid #c9c6b6;
  height: 16px;
  width: 16px;
  background-repeat: no-repeat;
  background-position: center;
}
::-webkit-scrollbar-button:single-button:vertical:decrement {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Cpath d='M4.6 10.2 8 6.4l3.4 3.8' fill='none' stroke='%234a4a52' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
::-webkit-scrollbar-button:single-button:vertical:increment {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Cpath d='M4.6 5.8 8 9.6l3.4-3.8' fill='none' stroke='%234a4a52' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
::-webkit-scrollbar-button:single-button:horizontal:decrement {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Cpath d='M10.2 4.6 6.4 8l3.8 3.4' fill='none' stroke='%234a4a52' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
::-webkit-scrollbar-button:single-button:horizontal:increment {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Cpath d='M5.8 4.6 9.6 8l-3.8 3.4' fill='none' stroke='%234a4a52' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.xp-smico--run { background-image: url("icons/run.svg"); }
.xp-smico--pc { background-image: url("icons/pc.svg"); }
.xp-smico--sound { background-image: url("icons/sound.svg"); }
.xp-smitem--snd { margin-left: auto; }

/* ---------- 29. 运行对话框 -------------------------------------------------- */
.xp-run {
  position: fixed;
  inset: 0;
  z-index: 560;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 16vh;
}
.xp-run__win {
  width: min(392px, calc(100vw - 24px));
  background: var(--xp-face);
  border: 1px solid var(--xp-frame);
  border-radius: 6px 6px 3px 3px;
  box-shadow: 0 16px 46px rgba(0, 10, 50, 0.5);
  overflow: hidden;
}
.xp-run__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 27px;
  padding: 0 5px 0 7px;
  background: linear-gradient(180deg, var(--xp-bar-a) 0%, var(--xp-bar-b) 9%, var(--xp-bar-c) 45%, var(--xp-bar-b) 88%, var(--xp-bar-a) 100%);
  color: #fff;
  font: bold 12.5px var(--xp-font);
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.6);
}
.xp-run__bar > span { flex: 1; }
.xp-run__ico { width: 16px; height: 16px; flex: none; background: url("icons/run.svg") center/contain no-repeat; }
.xp-run__body { padding: 14px 16px 12px; }
.xp-run__intro { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; }
.xp-run__pic {
  width: 34px;
  height: 34px;
  flex: none;
  background: url("icons/run.svg") center/contain no-repeat;
  filter: drop-shadow(0 1px 1px rgba(0, 20, 50, 0.25));
}
.xp-run__intro p { margin: 1px 0 0; font: 12.5px/1.7 var(--xp-font); color: var(--xp-ink); }
.xp-run__row { display: flex; align-items: center; gap: 8px; }
.xp-run__lab { flex: none; font: 12.5px var(--xp-font); color: var(--xp-ink); }
.xp-run__lab u { text-decoration: underline; }
.xp-run__field { position: relative; flex: 1; display: flex; min-width: 0; }
.xp-run__in {
  flex: 1;
  min-width: 0;
  height: 23px;
  padding: 2px 4px;
  border: 1px solid #7f9db9;
  border-radius: 0;
  background: #fff;
  font: 12.5px var(--xp-font);
  color: #000;
}
.xp-run__drop {
  width: 17px;
  height: 23px;
  border: 1px solid #7f9db9;
  border-left: 0;
  background: linear-gradient(180deg, #fdfdfb, #e3dfc8 45%, #d2cdb2);
  cursor: pointer;
  position: relative;
}
.xp-run__drop::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 9px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid #333;
}
.xp-run__hist {
  position: absolute;
  z-index: 5;
  margin: 0;
  padding: 2px;
  list-style: none;
  width: 268px;
  max-height: 168px;
  overflow: auto;
  background: #fff;
  border: 1px solid #7f9db9;
  box-shadow: 2px 2px 5px rgba(0, 10, 40, 0.28);
}
.xp-run__hist li {
  padding: 3px 6px;
  font: 12px var(--xp-font);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.xp-run__hist li:hover { background: var(--xp-select); color: #fff; }
.xp-run__btns { display: flex; justify-content: flex-end; gap: 7px; margin-top: 16px; }
.xp-run__tip {
  margin: 10px 0 0;
  font: 11px/1.6 var(--xp-font);
  color: var(--xp-ink-2);
}
.xp-run__tip b { color: var(--xp-ink); }

/* ---------- 30. 命令提示符 -------------------------------------------------- */
.xp-cmd {
  position: fixed;
  left: 50%;
  top: 12vh;
  transform: translateX(-50%);
  z-index: 555;
  width: min(600px, calc(100vw - 20px));
}
.xp-cmd__win {
  background: var(--xp-face);
  border: 1px solid var(--xp-frame);
  border-radius: 6px 6px 3px 3px;
  box-shadow: 0 16px 42px rgba(0, 10, 50, 0.48);
  overflow: hidden;
}
.xp-cmd__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 27px;
  padding: 0 5px 0 7px;
  background: linear-gradient(180deg, var(--xp-bar-a) 0%, var(--xp-bar-b) 9%, var(--xp-bar-c) 45%, var(--xp-bar-b) 88%, var(--xp-bar-a) 100%);
  color: #fff;
  font: bold 12.5px var(--xp-font);
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.55);
}
.xp-cmd__bar > span { flex: 1; }
.xp-cmd__ico { width: 16px; height: 16px; flex: none; background: url("icons/cmd.svg") center/contain no-repeat; }
.xp-cmd__body {
  background: #000;
  padding: 8px 10px 10px;
  height: 306px;
  overflow: auto;
  font: 12.5px/1.55 var(--xp-mono);
  color: #dcdcdc;
}
.xp-cmd__out { margin: 0; white-space: pre-wrap; word-break: break-word; font: inherit; }
.xp-cmd__out b { color: #fff; font-weight: normal; }
.xp-cmd__out i { color: #7fd6ff; font-style: normal; }
.xp-cmd__line { display: flex; align-items: baseline; gap: 4px; }
.xp-cmd__prompt { flex: none; white-space: nowrap; }
.xp-cmd__in {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  padding: 0;
  background: transparent;
  font: inherit;
  color: #fff;
  caret-color: #fff;
}

/* ---------- 31. 记事本 ------------------------------------------------------ */
.xp-np {
  position: fixed;
  left: 50%;
  top: 14vh;
  transform: translateX(-50%);
  z-index: 550;
  width: min(540px, calc(100vw - 20px));
}
.xp-np__win {
  background: var(--xp-face);
  border: 1px solid var(--xp-frame);
  border-radius: 6px 6px 3px 3px;
  box-shadow: 0 16px 42px rgba(0, 10, 50, 0.46);
  overflow: hidden;
}
.xp-np__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 27px;
  padding: 0 5px 0 7px;
  background: linear-gradient(180deg, var(--xp-bar-a) 0%, var(--xp-bar-b) 9%, var(--xp-bar-c) 45%, var(--xp-bar-b) 88%, var(--xp-bar-a) 100%);
  color: #fff;
  font: bold 12.5px var(--xp-font);
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.55);
}
.xp-np__bar > span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.xp-np__ico { width: 16px; height: 16px; flex: none; background: url("icons/note.svg") center/contain no-repeat; }
.xp-np__menu {
  display: flex;
  gap: 14px;
  padding: 3px 10px;
  border-bottom: 1px solid var(--xp-line-2);
  background: var(--xp-face);
  font: 12px var(--xp-font);
  color: var(--xp-ink);
}
.xp-np__body {
  height: 268px;
  overflow: auto;
  padding: 7px 9px;
  background: #fff;
  border: 1px solid var(--xp-line);
  margin: 5px 6px;
  font: 13px/1.85 var(--xp-mono);
  color: #111;
  white-space: pre-wrap;
  word-break: break-word;
}
.xp-np__status {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 0 6px 6px;
  padding: 2px 8px;
  border: 1px solid var(--xp-line-2);
  background: var(--xp-face-2);
  font: 11px var(--xp-font);
  color: var(--xp-ink-2);
}

/* ---------- 32. 扫雷 -------------------------------------------------------- */
.xp-mine {
  position: fixed;
  left: 50%;
  top: 14vh;
  transform: translateX(-50%);
  z-index: 552;
}
.xp-mine__win {
  background: #c0c0c0;
  border: 1px solid #4a4a4a;
  border-radius: 5px 5px 2px 2px;
  box-shadow: 0 16px 40px rgba(0, 10, 50, 0.45);
  overflow: hidden;
}
.xp-mine__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 4px 0 6px;
  background: linear-gradient(180deg, var(--xp-bar-a) 0%, var(--xp-bar-b) 12%, var(--xp-bar-c) 48%, var(--xp-bar-b) 86%, var(--xp-bar-a) 100%);
  color: #fff;
  font: bold 12px var(--xp-font);
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.55);
}
.xp-mine__bar > span { flex: 1; }
.xp-mine__ico { width: 15px; height: 15px; flex: none; background: url("icons/mine.svg") center/contain no-repeat; }
.xp-mine__menu {
  display: flex;
  gap: 12px;
  padding: 2px 8px;
  font: 11.5px var(--xp-font);
  color: #111;
}
.xp-mine__frame {
  margin: 4px;
  padding: 5px;
  border: 2px solid;
  border-color: #7b7b7b #fdfdfd #fdfdfd #7b7b7b;
  background: #c0c0c0;
}
.xp-mine__panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 4px;
  border: 2px solid;
  border-color: #7b7b7b #fdfdfd #fdfdfd #7b7b7b;
  margin-bottom: 5px;
}
.xp-mine__led {
  display: inline-block;
  min-width: 38px;
  padding: 1px 3px;
  background: #000;
  color: #f1220a;
  font: bold 19px/1.15 var(--xp-mono);
  letter-spacing: 1px;
  text-align: center;
  text-shadow: 0 0 5px rgba(255, 60, 20, 0.8);
}
.xp-mine__face {
  width: 26px;
  height: 26px;
  padding: 0;
  border: 2px solid;
  border-color: #fdfdfd #7b7b7b #7b7b7b #fdfdfd;
  background: #c0c0c0 center/16px 16px no-repeat;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Ccircle cx='8' cy='8' r='7' fill='%23ffe03a' stroke='%23332e00' stroke-width='1'/%3E%3Ccircle cx='5.7' cy='6.3' r='1' fill='%23221e00'/%3E%3Ccircle cx='10.3' cy='6.3' r='1' fill='%23221e00'/%3E%3Cpath d='M4.8 9.4a3.6 3.6 0 0 0 6.4 0' fill='none' stroke='%23221e00' stroke-width='1.2' stroke-linecap='round'/%3E%3C/svg%3E");
  cursor: pointer;
}
.xp-mine__face:active { border-color: #7b7b7b #fdfdfd #fdfdfd #7b7b7b; }
.xp-mine__face.is-lose {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Ccircle cx='8' cy='8' r='7' fill='%23ffe03a' stroke='%23332e00' stroke-width='1'/%3E%3Cpath d='M4.6 4.6l2 2m0-2l-2 2M9.4 4.6l2 2m0-2l-2 2' stroke='%23221e00' stroke-width='1.1' stroke-linecap='round'/%3E%3Cpath d='M5.2 11.2a3.4 3.4 0 0 1 5.6 0' fill='none' stroke='%23221e00' stroke-width='1.2' stroke-linecap='round'/%3E%3C/svg%3E");
}
.xp-mine__face.is-win {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Ccircle cx='8' cy='8' r='7' fill='%23ffe03a' stroke='%23332e00' stroke-width='1'/%3E%3Cpath d='M3.4 6.4h3.2v2.6H3.4zM9.4 6.4h3.2v2.6H9.4z' fill='%23221e00'/%3E%3Cpath d='M6.6 7.7h2.8' stroke='%23221e00' stroke-width='1'/%3E%3Cpath d='M5 11.4a3.6 3.6 0 0 0 6 0' fill='none' stroke='%23221e00' stroke-width='1.2' stroke-linecap='round'/%3E%3C/svg%3E");
}
.xp-mine__grid {
  display: grid;
  grid-template-columns: repeat(9, 22px);
  gap: 0;
}
.xp-mine__cell {
  width: 22px;
  height: 22px;
  padding: 0;
  border: 2px solid;
  border-color: #fdfdfd #7b7b7b #7b7b7b #fdfdfd;
  background: #c0c0c0;
  font: bold 12px/1 var(--xp-font);
  color: #111;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}
.xp-mine__cell.is-open {
  border: 1px solid #b3b3b3;
  background: #c0c0c0;
  cursor: default;
}
.xp-mine__cell.is-flag { color: #c00; font-size: 12px; }
.xp-mine__cell.is-mine { background: #c0c0c0; }
.xp-mine__cell.is-boom { background: #f00; }
.xp-mine__cell.n1 { color: #0000ff; }
.xp-mine__cell.n2 { color: #008000; }
.xp-mine__cell.n3 { color: #ff0000; }
.xp-mine__cell.n4 { color: #000080; }
.xp-mine__cell.n5 { color: #800000; }
.xp-mine__cell.n6 { color: #008080; }
.xp-mine__cell.n7 { color: #000000; }
.xp-mine__cell.n8 { color: #808080; }
.xp-mine__grid.is-dead .xp-mine__cell { cursor: default; }

/* ---------- 33. 我的电脑 / 系统 属性 ---------------------------------------- */
.xp-pc {
  position: fixed;
  left: 50%;
  top: 9vh;
  transform: translateX(-50%);
  z-index: 556;
  width: min(660px, calc(100vw - 16px));
}
.xp-pc__win {
  background: var(--xp-face);
  border: 1px solid var(--xp-frame);
  border-radius: 6px 6px 3px 3px;
  box-shadow: 0 18px 50px rgba(0, 10, 50, 0.5);
  overflow: hidden;
}
.xp-pc__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 27px;
  padding: 0 5px 0 7px;
  background: linear-gradient(180deg, var(--xp-bar-a) 0%, var(--xp-bar-b) 9%, var(--xp-bar-c) 45%, var(--xp-bar-b) 88%, var(--xp-bar-a) 100%);
  color: #fff;
  font: bold 12.5px var(--xp-font);
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.55);
}
.xp-pc__bar > span:nth-child(2) { flex: 1; }
.xp-pc__ico { width: 16px; height: 16px; flex: none; background: url("icons/pc.svg") center/contain no-repeat; }
.xp-pc__menu {
  display: flex;
  gap: 13px;
  padding: 3px 9px;
  font: 12px var(--xp-font);
  color: var(--xp-ink);
  border-bottom: 1px solid var(--xp-line-2);
}
.xp-pc__toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 7px;
  border-bottom: 1px solid var(--xp-line-2);
  background: var(--xp-face-2);
  overflow: hidden;
}
.xp-pc__body { display: flex; min-height: 268px; }
.xp-pc__side {
  width: 172px;
  flex: none;
  padding: 8px 7px;
  background: linear-gradient(180deg, #7ba3dd 0%, #dbe8f9 42%, #eef4fd 100%);
  border-right: 1px solid #b4c9e6;
}
.xp-pc__pane {
  margin-bottom: 8px;
  padding: 3px 6px 6px;
  background: linear-gradient(180deg, #ffffff 0%, #f3f8ff 60%, #e6f0fd 100%);
  border: 1px solid #a8c0e2;
  border-radius: 5px;
  box-shadow: 0 1px 0 #ffffff inset;
}
.xp-pc__panehead {
  margin: 0 -6px 5px;
  padding: 3px 8px;
  background: linear-gradient(90deg, #2f6cbe 0%, #79a4de 100%);
  color: #fff;
  font: bold 11.5px var(--xp-font);
  border-radius: 4px 4px 0 0;
}
.xp-pc__task,
.xp-pc__link {
  display: block;
  width: 100%;
  text-align: left;
  margin: 0;
  padding: 2px 0 2px 13px;
  border: 0;
  background: none;
  font: 11.5px/1.75 var(--xp-font);
  color: #1a4f9c;
  cursor: pointer;
  position: relative;
  text-decoration: none;
}
.xp-pc__task::before,
.xp-pc__link::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 8px;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 5px solid #4c8ee0;
}
.xp-pc__task:hover,
.xp-pc__link:hover { color: #b8331f; text-decoration: underline; }
.xp-pc__main {
  flex: 1;
  min-width: 0;
  padding: 8px 10px 12px;
  background: #fff;
  overflow: auto;
  max-height: 330px;
}
.xp-pc__group {
  margin: 2px 0 6px;
  padding-bottom: 3px;
  border-bottom: 1px solid #d5dce8;
  font: 11.5px var(--xp-font);
  color: #4a5a70;
}
.xp-pc__list { display: flex; flex-direction: column; gap: 1px; }
.xp-pc__item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 5px 7px;
  border: 1px solid transparent;
  border-radius: 2px;
  text-decoration: none;
  color: var(--xp-ink);
  cursor: var(--xp-cur-arrow);
}
.xp-pc__item:hover { background: #e8f2fd; border-color: #c3daf5; }
.xp-pc__item:focus { outline: 1px dotted #4a5a70; outline-offset: -2px; }
.xp-pc__disk {
  width: 26px;
  height: 21px;
  flex: none;
  position: relative;
  border: 1px solid #7c7a6a;
  border-radius: 2px;
  background: linear-gradient(180deg, #f8f6ec, #c9c5b2);
  box-shadow: 0 1px 0 #fff inset;
}
.xp-pc__disk::before {
  content: "";
  position: absolute;
  left: 3px;
  right: 3px;
  top: 3px;
  height: 7px;
  border: 1px solid #7e94b3;
  background: linear-gradient(180deg, #e2ecfa, #a9c2e3);
}
.xp-pc__disk::after {
  content: "";
  position: absolute;
  left: 3px;
  right: 8px;
  bottom: 3px;
  height: 4px;
  border: 1px solid #a9a695;
  background: #e9e7d9;
}
.xp-pc__disk--cd { background: linear-gradient(180deg, #f4f2e6, #cfd4dd); }
.xp-pc__disk--cd::before { background: linear-gradient(180deg, #dbe6f5, #b9c9e0); }
.xp-pc__nm { font: 12.5px var(--xp-font); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.xp-pc__cap {
  width: 84px;
  height: 8px;
  flex: none;
  margin-left: auto;
  border: 1px solid #8f9db1;
  background: #eef1f5;
  box-shadow: 0 1px 0 #fff inset;
}
.xp-pc__cap i { display: block; height: 100%; background: linear-gradient(180deg, #9fe07a, #3f8f22); }
.xp-pc__meta {
  width: 104px;
  flex: none;
  text-align: right;
  font: 11px var(--xp-font);
  color: var(--xp-ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.xp-pc__status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0 4px 4px;
  padding: 2px 8px;
  border: 1px solid var(--xp-line-2);
  background: var(--xp-face-2);
  font: 11px var(--xp-font);
  color: var(--xp-ink-2);
}

.xp-sys {
  position: fixed;
  left: 50%;
  top: 13vh;
  transform: translateX(-50%);
  z-index: 558;
  width: min(420px, calc(100vw - 20px));
}
.xp-sys__win {
  background: var(--xp-face);
  border: 1px solid var(--xp-frame);
  border-radius: 6px 6px 3px 3px;
  box-shadow: 0 18px 48px rgba(0, 10, 50, 0.5);
  overflow: hidden;
}
.xp-sys__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 27px;
  padding: 0 5px 0 9px;
  background: linear-gradient(180deg, var(--xp-bar-a) 0%, var(--xp-bar-b) 9%, var(--xp-bar-c) 45%, var(--xp-bar-b) 88%, var(--xp-bar-a) 100%);
  color: #fff;
  font: bold 12.5px var(--xp-font);
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.55);
}
.xp-sys__bar > span { flex: 1; }
.xp-sys__tabs {
  display: flex;
  gap: 2px;
  padding: 6px 8px 0;
  font: 12px var(--xp-font);
}
.xp-sys__tabs span {
  padding: 3px 11px 4px;
  border: 1px solid #b6b3a3;
  border-bottom: 0;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, #f4f2e6, #dfdcc8);
  color: #45443c;
}
.xp-sys__tabs span.is-on {
  background: var(--xp-face);
  position: relative;
  top: 1px;
  padding-bottom: 5px;
  font-weight: bold;
}
.xp-sys__body {
  margin: 0 8px;
  padding: 13px 15px 14px;
  border: 1px solid #b6b3a3;
  background: var(--xp-face);
}
.xp-sys__head { display: flex; gap: 12px; align-items: center; }
.xp-sys__logo {
  width: 54px;
  height: 54px;
  flex: none;
  border-radius: 7px;
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.55), transparent 60%),
    linear-gradient(150deg, #8ec3f7 0%, #2f74d0 45%, #0c357e 100%);
  border: 1px solid #14478f;
  box-shadow: 0 2px 5px rgba(0, 20, 60, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  position: relative;
}
.xp-sys__logo::before {
  content: "XP";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font: bold 20px var(--xp-font);
  text-shadow: 0 1px 2px rgba(0, 20, 60, 0.55);
  letter-spacing: -1px;
}
.xp-sys__os { display: flex; flex-direction: column; line-height: 1.5; font: 12px var(--xp-font); color: var(--xp-ink); }
.xp-sys__os b { font-size: 15px; letter-spacing: 0.5px; }
.xp-sys__os small { color: var(--xp-ink-2); font-size: 11px; }
.xp-sys__rule { height: 2px; margin: 11px 0 8px; background: linear-gradient(180deg, #c9c6b6, #ffffff); }
.xp-sys__line { margin: 0 0 2px; font: 12px/1.6 var(--xp-font); color: var(--xp-ink); }
.xp-sys__hw { margin: 0; font: 11.5px/1.6 var(--xp-font); color: var(--xp-ink-2); }
.xp-sys__foot { display: flex; justify-content: flex-end; gap: 7px; padding: 11px 12px; }

/* ---------- 34. 蓝屏彩蛋与经典消息框 ---------------------------------------- */
.xp-bsod {
  position: fixed;
  inset: 0;
  z-index: 2100;
  background: #0000aa;
  color: #ffffff;
  padding: 9vh 8vw;
  font: 15px/1.55 var(--xp-mono);
  overflow: auto;
  cursor: var(--xp-cur-arrow);
}
.xp-bsod__p { margin: 0 0 18px; }
.xp-bsod__code { text-align: center; letter-spacing: 1px; }
.xp-bsod__tech { letter-spacing: 0.4px; }
.xp-bsod__cta { margin-top: 26px; }
.xp-bsod__cta button {
  border: 0;
  padding: 0;
  background: none;
  color: #ffffff;
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}

.xp-msg {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 26, 52, 0.16);
}
.xp-msg__win {
  width: min(408px, calc(100vw - 26px));
  background: var(--xp-face);
  border: 1px solid var(--xp-frame);
  border-radius: 6px 6px 3px 3px;
  box-shadow: 0 18px 52px rgba(0, 10, 50, 0.5);
  overflow: hidden;
}
.xp-msg__bar {
  display: flex;
  align-items: center;
  height: 27px;
  padding: 0 5px 0 9px;
  background: linear-gradient(180deg, var(--xp-bar-a) 0%, var(--xp-bar-b) 9%, var(--xp-bar-c) 45%, var(--xp-bar-b) 88%, var(--xp-bar-a) 100%);
  color: #fff;
  font: bold 12.5px var(--xp-font);
  text-shadow: 1px 1px 1px rgba(0, 0, 60, 0.55);
}
.xp-msg__bar > span { flex: 1; }
.xp-msg__body { display: flex; gap: 14px; padding: 18px 18px 8px; }
.xp-msg__icon {
  width: 34px;
  height: 34px;
  flex: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font: bold 21px/1 "Times New Roman", serif;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 1px 2px rgba(0, 20, 50, 0.28);
}
.xp-msg__icon--info { background: radial-gradient(circle at 35% 30%, #9ed4ff, #1f6fd0 60%, #0b3f88); }
.xp-msg__icon--warn { background: radial-gradient(circle at 35% 30%, #ffe89a, #e0a000 60%, #9a6a00); color: #3a2800; }
.xp-msg__icon--error { background: radial-gradient(circle at 35% 30%, #ff9d9d, #cf1c1c 60%, #8c0a0a); }
.xp-msg__icon--question { background: radial-gradient(circle at 35% 30%, #a9d8ff, #2a72cc 60%, #0d3f86); }
.xp-msg__text { font: 12.5px/1.8 var(--xp-font); color: var(--xp-ink); white-space: pre-wrap; word-break: break-word; }
.xp-msg__btns { display: flex; justify-content: flex-end; gap: 7px; padding: 12px 16px 14px; }
.xp-msg__btns .xp-btn { min-width: 74px; }

@media (max-width: 760px) {
  .xp-pc, .xp-run, .xp-cmd, .xp-np, .xp-mine, .xp-sys { top: 6vh; }
  .xp-pc { top: 4vh; }
  .xp-pc__side { display: none; }
  .xp-pc__main { max-height: 52vh; }
  .xp-cmd__body { height: 46vh; }
  .xp-np__body { height: 42vh; }
  .xp-run { padding-top: 8vh; }
  .xp-bsod { padding: 6vh 6vw; font-size: 13px; }
}