/* ===== 编辑器 UI 主题 ===== */
:root[data-theme="light"] {
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --text: #2b2b2b;
  --text-soft: #8a8a8a;
  --border: #e8e8e8;
  --head-bg: #fcfcfc;
  --accent: #fa5151;        /* 公众号红，主按钮色 */
  --accent-soft: #fdeaea;
  --selection: #ffe0e0;
  --pane-bg: #f4f5f7;
}
:root[data-theme="dark"] {
  --bg: #1b1b1d;
  --bg-soft: #212124;
  --text: #d6d6d6;
  --text-soft: #8a8a8a;
  --border: #333338;
  --head-bg: #232326;
  --accent: #ff6a6a;
  --accent-soft: #3a2626;
  --selection: #4a2b2b;
  --pane-bg: #161618;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}
.app { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }
.hidden { display: none !important; }
input[type="checkbox"], input[type="radio"] { accent-color: var(--accent); }

/* ===== 顶栏 ===== */
.appbar {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 8px 16px; background: var(--head-bg);
  border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.brand { font-size: 17px; font-weight: 700; letter-spacing: 1px; }
.brand-sub { font-size: 12px; font-weight: 400; color: var(--text-soft); margin-left: 8px; letter-spacing: 0; }
.appbar-right { display: flex; align-items: center; gap: 6px; }

.tb-btn {
  font-size: 12px; line-height: 1; padding: 6px 8px; color: var(--text);
  background: transparent; border: 1px solid transparent; border-radius: 6px;
  cursor: pointer; white-space: nowrap; transition: background .15s;
}
.tb-btn:hover { background: var(--accent-soft); }
.tb-btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(135deg, #ff6b5e, #e6362a);
  color: #fff; font-weight: 700; font-size: 13px;
  padding: 9px 18px; border-radius: 9px; border: none;
  box-shadow: 0 3px 12px rgba(230, 54, 42, .38);
  letter-spacing: .3px;
}
.btn-primary:hover { filter: brightness(1.07); box-shadow: 0 6px 18px rgba(230, 54, 42, .48); }
.btn-primary:active { transform: translateY(1px); box-shadow: 0 2px 8px rgba(230, 54, 42, .4); }
:root[data-theme="dark"] .btn-primary { box-shadow: 0 3px 12px rgba(255, 80, 64, .3); }

/* ===== 三栏布局（卡片式：白卡 + 缝隙 + 缝隙里的折叠把手） ===== */
.layout {
  flex: 1; display: flex; min-height: 0; overflow: hidden;
  padding: 10px; gap: 0; background: var(--pane-bg);
}
.col {
  position: relative; display: flex; flex-direction: column; min-width: 0; height: 100%;
  background: var(--bg); border-radius: 14px; overflow: hidden;
  box-shadow: 0 2px 14px rgba(0, 0, 0, .06);
}
.col-editor { flex: 1 1 460px; }
.col-preview { flex: 1 1 420px; }
.col-settings { width: 318px; flex-shrink: 0; container-type: inline-size; }

/* 缝隙：透明的拖拽 / 折叠区 */
.divider {
  width: 14px; flex-shrink: 0; cursor: col-resize; background: transparent;
  position: relative;
}
.divider::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 1px;
  transform: translateX(-50%); background: transparent; transition: background .15s;
}
.divider:hover::before, .divider.dragging::before { background: var(--accent); }

/* 栏头 */
.pane-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 9px 14px; background: var(--head-bg); border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.pane-title { font-size: 13px; font-weight: 600; }
.pane-actions { display: flex; gap: 6px; }
.mini-btn {
  font-size: 12px; padding: 4px 10px; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 6px; cursor: pointer; transition: all .15s;
}
.mini-btn:hover { border-color: var(--accent); color: var(--accent); }

/* 工具栏（左栏内，单行，图标更大更醒目，可横向滚动） */
.toolbar {
  padding: 6px 10px; background: var(--head-bg); border-bottom: 1px solid var(--border);
  flex-shrink: 0; overflow-x: auto; scrollbar-width: none;
}
.toolbar::-webkit-scrollbar { display: none; }
.toolbar-row { display: flex; align-items: center; flex-wrap: nowrap; gap: 3px; padding: 2px 0; min-width: max-content; }
.tb-sep { width: 1px; height: 20px; background: var(--border); margin: 0 6px; flex-shrink: 0; }
.tb-flex { flex: 1; }
/* 工具栏内的图标按钮（仅限 .toolbar，避免波及顶栏的「复制到公众号」） */
.toolbar .tb-btn {
  font-size: 17px; line-height: 1; min-width: 38px; height: 38px; padding: 0 9px;
  color: var(--text); background: transparent; border: 1px solid transparent;
  border-radius: 9px; cursor: pointer; white-space: nowrap;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .15s, transform .1s;
}
.toolbar .tb-btn b, .toolbar .tb-btn i, .toolbar .tb-btn s { font-size: 17px; font-style: normal; }
.toolbar .tb-btn svg { width: 20px; height: 20px; display: block; }
.toolbar .tb-btn:hover { background: var(--accent-soft); color: var(--accent); }
.toolbar .tb-btn:active { transform: translateY(1px); }
.tb-btn.btn-primary { color: #fff; }

/* ===== 编辑区 + 行号（卡片内的扁平编辑面） ===== */
.editor-card {
  flex: 1; min-height: 0; margin: 0; display: flex; overflow: hidden;
  background: var(--bg); border-radius: 0; box-shadow: none;
}
.gutter {
  width: 46px; flex-shrink: 0; overflow: hidden; user-select: none;
  padding: 18px 10px 18px 0; text-align: right;
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 14px; line-height: 24px; color: var(--text-soft); white-space: pre;
  border-right: 1px solid var(--border);
}
.editor {
  flex: 1; min-width: 0; height: 100%; padding: 18px 16px 18px 12px;
  border: none; outline: none; resize: none; background: var(--bg); color: var(--text);
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 14px; line-height: 24px; tab-size: 2;
}
.editor::selection { background: var(--selection); }

.pane-foot {
  display: flex; align-items: center; gap: 16px; padding: 6px 16px;
  font-size: 12px; color: var(--text-soft);
  background: var(--head-bg); border-top: 1px solid var(--border); flex-shrink: 0;
}
.saved { margin-left: auto; }
.saved.dirty { color: var(--accent); }

.drop-hint {
  position: absolute; inset: 0; display: none; align-items: center; justify-content: center;
  font-size: 18px; color: var(--accent); background: var(--accent-soft);
  border: 2px dashed var(--accent); pointer-events: none; z-index: 5;
}
.col.drag-over .drop-hint { display: flex; }

/* ===== 中栏：预览 ===== */
.seg { display: flex; background: var(--bg-soft); border-radius: 8px; padding: 2px; }
.seg-btn {
  font-size: 12px; padding: 4px 12px; border: none; border-radius: 6px;
  background: transparent; color: var(--text-soft); cursor: pointer; transition: all .15s;
}
.seg-btn.active { background: var(--bg); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.10); }
.follow { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text-soft); cursor: pointer; }
.head-right { display: flex; align-items: center; gap: 10px; }
.pop-wrap { position: relative; }

/* 预览背景二级菜单（点「背景」弹出） */
.bg-pop {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 40;
  width: 248px; background: var(--bg); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: 0 18px 44px rgba(0, 0, 0, .18);
  padding: 10px 12px 4px;
}
.bg-pop[hidden] { display: none; }
.bg-pop .seg { width: 100%; }
.bg-pop .seg-btn { flex: 1; }
.bg-pop .row { margin: 9px 0; }

.stage {
  flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center;
  padding: 0; background: linear-gradient(180deg, #f7f3ec, #ece5d9); overflow: hidden;
}
:root[data-theme="dark"] .stage { background: linear-gradient(180deg, #202023, #17171a); }

/* 手机壳：深灰磨砂机身（撑满预览框）＋ 公众号红侧键 */
.phone {
  width: 100%; height: 100%; position: relative; flex-shrink: 0;
  background: linear-gradient(165deg, #45494f, #26292e);
  border: 1px solid #1b1e21; border-radius: 34px; padding: 6px;
  box-shadow: 0 22px 50px rgba(0, 0, 0, .35), 0 3px 10px rgba(0, 0, 0, .2),
              inset 0 1px 0 rgba(255, 255, 255, .12), inset 0 0 0 2px rgba(255, 255, 255, .06);
}
.phone::after {
  content: ""; position: absolute; right: -3px; top: 22%;
  width: 3px; height: 58px; border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), #f5b8b8);
  box-shadow: 0 0 6px rgba(250, 81, 81, .45);
}
.phone-screen {
  width: 100%; height: 100%; border-radius: 29px; overflow: hidden; background: #fff;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .35);
}
.phone-screen iframe { width: 100%; height: 100%; border: none; display: block; background: #fff; }
.notch {
  position: absolute; top: 13px; left: 50%; transform: translateX(-50%);
  width: 74px; height: 18px; background: #17191c; border-radius: 10px; z-index: 2;
  box-shadow: inset 0 0 4px rgba(255, 255, 255, .12);
}

/* 电脑模式：macOS 浏览器窗口（弹窗里，玻璃磨砂质感，尺寸更大） */
.win {
  display: flex; flex-direction: column; position: relative; z-index: 1;
  width: min(1120px, 93vw); height: min(760px, 85vh);
  background: rgba(255, 254, 251, .74);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  backdrop-filter: blur(22px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, .7); border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 40px 90px rgba(45, 26, 14, .30), inset 0 1px 0 rgba(255, 255, 255, .75);
}
.win-bar {
  display: flex; align-items: center; gap: 12px; flex-shrink: 0;
  padding: 10px 14px;
  background: rgba(255, 255, 255, .35);
  border-bottom: 1px solid rgba(255, 255, 255, .55);
}
.dots { display: flex; gap: 6px; flex-shrink: 0; }
.dots i { width: 10px; height: 10px; border-radius: 50%; }
.dots i:nth-child(1) { background: #e0796a; }
.dots i:nth-child(2) { background: #e2b661; }
.dots i:nth-child(3) { background: #8fbf87; }
.win-url {
  flex: 0 1 360px; margin: 0 auto; padding: 3px 16px; text-align: center;
  font-size: 11px; color: var(--text-soft);
  background: rgba(255, 255, 255, .65);
  border: 1px solid rgba(255, 255, 255, .8); border-radius: 999px;
}
.win-body { flex: 1; min-height: 0; background: #fff; }
.win-body iframe { width: 100%; height: 100%; border: none; display: block; background: #fff; }

/* 电脑模式：手机仍留在预览区（弹窗背后） */
.stage.web .phone { display: block; }

/* ===== 弹窗（长图 / 电脑端预览） ===== */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; }
.modal[hidden] { display: none; }
.modal-mask {
  position: absolute; inset: 0; background: rgba(40, 26, 16, .45);
  backdrop-filter: blur(4px);
}
/* 玻璃磨砂（电脑端预览背后那层） */
.modal-mask.glass {
  background: rgba(250, 246, 238, .30);
  -webkit-backdrop-filter: blur(24px) saturate(170%);
  backdrop-filter: blur(24px) saturate(170%);
}
:root[data-theme="dark"] .modal-mask.glass { background: rgba(14, 12, 10, .40); }
.modal-panel {
  position: relative; display: flex; flex-direction: column;
  width: min(430px, calc(100vw - 32px)); max-height: min(88vh, 940px);
  background: var(--bg); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: 0 34px 90px rgba(40, 24, 12, .38); overflow: hidden;
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 12px 14px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.modal-title {
  font-family: "Songti SC", "STSong", Georgia, serif;
  font-size: 14px; font-weight: 700; letter-spacing: 1.5px;
}
.modal-actions { display: flex; align-items: center; gap: 8px; }
.modal-actions .btn-primary { padding: 7px 14px; font-size: 12px; }
.modal-body { flex: 1; min-height: 0; overflow: auto; padding: 14px; background: var(--bg-soft); }
.modal-body img {
  width: 100%; height: auto; display: block; background: #fff;
  border-radius: 10px; box-shadow: 0 6px 22px rgba(45, 26, 14, .13);
}
.modal-foot {
  padding: 9px; text-align: center; font-size: 11px; color: var(--text-soft);
  border-top: 1px solid var(--border); flex-shrink: 0;
}
/* HTML 编辑弹窗 */
.html-tip { margin: 0 0 10px; font-size: 12px; line-height: 1.6; color: var(--text-soft); }
.html-tip strong { color: var(--accent); }
.html-editor {
  width: 100%; min-height: 280px; resize: vertical;
  font-family: ui-monospace, Menlo, Consolas, "Courier New", monospace;
  font-size: 13px; line-height: 1.6; color: #2b2b2b;
  padding: 12px; border: 1px solid var(--border); border-radius: 10px;
  background: #fff; outline: none;
}
.html-editor:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(240, 90, 42, .14); }
/* 「保持原格式」勾选 */
.html-keep {
  display: flex; align-items: flex-start; gap: 8px; margin: 0 0 12px;
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px;
  background: #fafbfa; cursor: pointer; font-size: 13px; color: var(--text); line-height: 1.5;
}
.html-keep input { margin-top: 2px; width: 15px; height: 15px; accent-color: var(--accent); flex: 0 0 auto; cursor: pointer; }
.html-keep em { font-style: normal; display: block; margin-top: 2px; font-size: 11.5px; color: var(--text-soft); }

/* 抓取外链 → HTML 源码弹窗 */
.fetch-url-row { display: flex; gap: 8px; margin-bottom: 10px; }
.fetch-input {
  flex: 1; min-width: 0; height: 38px; padding: 0 12px;
  font-size: 13px; color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; background: #fff; outline: none;
}
.fetch-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(240, 90, 42, .14); }
.fetch-status { margin: 0 0 10px; font-size: 12px; line-height: 1.6; color: var(--text-soft); }
.fetch-status:empty { display: none; }
.fetch-modal-body .html-editor { min-height: 240px; }

/* ===== 右栏：排版设置 ===== */
.settings { flex: 1; min-height: 0; overflow-y: auto; padding: 14px; }
.set-sec { margin-bottom: 20px; }
.set-title {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; font-weight: 600; margin-bottom: 10px;
}

/* 模板分类标签 */
.tpl-seg { margin-bottom: 10px; flex-wrap: wrap; border-radius: 12px; }
.tpl-seg .seg-btn { padding: 4px 9px; font-size: 11px; }

/* 排版方案卡片（封面 + 名字 + 副标题） */
.tpl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.tpl-card {
  border: 1px solid var(--border); border-radius: 10px; padding: 6px;
  cursor: pointer; background: var(--bg); transition: all .15s;
}
.tpl-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,.08); }
.tpl-card.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.tpl-cover {
  height: 56px; border-radius: 7px; overflow: hidden;
  border: 1px solid rgba(0,0,0,.06); background: #fff;
}
.tpl-cover svg { display: block; width: 100%; height: 100%; }
.tpl-namerow { display: flex; align-items: baseline; justify-content: space-between; gap: 6px; margin-top: 6px; }
.tpl-name { font-size: 13px; font-weight: 700; color: var(--text); }
.tpl-kicker {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: 9px; font-weight: 700; letter-spacing: 1px;
  color: var(--accent); text-transform: uppercase; white-space: nowrap;
}
.tpl-tag { font-size: 10px; text-align: center; color: var(--text-soft); letter-spacing: .5px; margin-top: 1px; }

/* 排版设置可左右拖动：内容随宽度堆叠 / 舒展（容器查询） */
@container (max-width: 268px) {
  .tpl-grid { grid-template-columns: repeat(2, 1fr); }
}
@container (max-width: 196px) {
  .tpl-grid { grid-template-columns: 1fr; }
  .row { flex-direction: column; align-items: stretch; gap: 4px; }
  .row input[type="text"], .row select { max-width: none; width: 100%; }
  .row.slider .sl-val { order: 0; align-self: flex-end; }
  .palette { gap: 5px; }
}
@container (min-width: 400px) {
  .tpl-grid { grid-template-columns: repeat(4, 1fr); }
  .row.slider input[type="range"] { max-width: 340px; }
}

/* 主题色色板 */
.palette { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 10px; }
.swatch {
  width: 22px; height: 22px; border-radius: 50%; cursor: pointer;
  border: 2px solid transparent; box-shadow: 0 0 0 1px rgba(0,0,0,.08); transition: transform .15s;
}
.swatch:hover { transform: scale(1.15); }
.swatch.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }

/* 设置行 */
.row {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  font-size: 12px; color: var(--text-soft); margin: 9px 0;
}
.row input[type="number"] { width: 48px; padding: 3px 4px; border: 1px solid var(--border); border-radius: 4px; background: var(--bg); color: var(--text); font-size: 12px; }
.row input[type="color"] { width: 30px; height: 24px; border: 1px solid var(--border); border-radius: 4px; background: none; cursor: pointer; padding: 0; }
.row input[type="text"] { flex: 1; max-width: 160px; padding: 4px 7px; border: 1px solid var(--border); border-radius: 4px; background: var(--bg); color: var(--text); font-size: 12px; }
.row select { padding: 3px 5px; border: 1px solid var(--border); border-radius: 4px; background: var(--bg); color: var(--text); font-size: 12px; cursor: pointer; max-width: 150px; }
.row-check { justify-content: flex-start; cursor: pointer; }
.sl-val { display: flex; align-items: center; gap: 3px; color: var(--text); flex-shrink: 0; }

/* 滑杆：高级灰调 + 白色拇指，填充进度由 JS 写入 --p */
input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 22px;
  background: transparent; cursor: pointer; --p: 0%;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px; border-radius: 999px;
  background: linear-gradient(90deg,
    var(--sl-fill, #3a3630) 0 var(--p),
    var(--sl-track, #eae5dc) var(--p) 100%);
}
input[type="range"]::-moz-range-track { height: 4px; border-radius: 999px; background: var(--sl-track, #eae5dc); }
input[type="range"]::-moz-range-progress { height: 4px; border-radius: 999px; background: var(--sl-fill, #3a3630); }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 16px; height: 16px; margin-top: -6px;
  border-radius: 50%; background: #fff; border: 1px solid #ddd6c9;
  box-shadow: 0 1px 3px rgba(0,0,0,.2), inset 0 0 0 1px rgba(255,255,255,.7);
  transition: transform .12s ease, border-color .15s ease, box-shadow .15s ease;
}
input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px; border-radius: 50%; background: #fff;
  border: 1px solid #ddd6c9; box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
input[type="range"]:hover::-webkit-slider-thumb,
input[type="range"]:focus::-webkit-slider-thumb {
  transform: scale(1.14); border-color: var(--accent);
  box-shadow: 0 2px 6px rgba(0,0,0,.24), 0 0 0 3px var(--accent-soft);
}
:root[data-theme="dark"] input[type="range"] { --sl-fill: #cfcac2; --sl-track: #38383e; }
:root[data-theme="dark"] input[type="range"]::-webkit-slider-thumb { background: #2b2b30; border-color: #4a4a52; }
:root[data-theme="dark"] input[type="range"]::-moz-range-thumb { background: #2b2b30; border-color: #4a4a52; }
.row.slider { flex-wrap: wrap; row-gap: 2px; }
.row.slider .sl-val { order: 1; }
.row.slider input[type="range"] { order: 2; width: 100%; }

/* iOS 风格开关 */
input[type="checkbox"].switch {
  appearance: none; -webkit-appearance: none; width: 36px; height: 20px;
  background: #d0d3d8; border-radius: 10px; position: relative; cursor: pointer;
  transition: background .2s; flex-shrink: 0; outline: none;
}
input[type="checkbox"].switch::before {
  content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px;
  background: #fff; border-radius: 50%; transition: transform .2s; box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
input[type="checkbox"].switch:checked { background: var(--accent); }
input[type="checkbox"].switch:checked::before { transform: translateX(16px); }

/* 分组小标题 / 恢复默认 */
.sub-title { font-size: 11px; color: var(--text-soft); margin: 14px 0 6px; letter-spacing: .5px; }
.reset-link { font-size: 12px; font-weight: 400; color: var(--text-soft); cursor: pointer; }
.reset-link:hover { color: var(--accent); }

/* ----- 正文排版：可折叠分组（2026-09-19） ----- */
.sub-toggle {
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer; user-select: none; padding: 3px 2px; margin: 12px 0 4px;
  border-radius: 6px;
}
.sub-toggle:hover { color: var(--accent); }
.sub-toggle .st-arrow { font-size: 10px; transition: transform .18s ease; opacity: .65; }
.sub-body { display: flex; flex-direction: column; }
.sub-body.closed .st-arrow { transform: rotate(-90deg); }
.sub-body.closed > :not(.sub-toggle) { display: none; }

/* ===== 全屏写作 ===== */
.app.fullscreen .appbar,
.app.fullscreen .col-preview,
.app.fullscreen .col-settings,
.app.fullscreen .divider { display: none; }
.app.fullscreen .col-editor { flex: 1 1 100%; border: none; }
.app.fullscreen .editor-card { max-width: 820px; margin: 20px auto; width: 100%; }

/* ===== Toast ===== */
.toast {
  position: fixed; left: 50%; top: 16%; transform: translateX(-50%) translateY(-10px);
  background: rgba(30,30,30,.92); color: #fff; padding: 10px 20px; border-radius: 8px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; z-index: 99;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== 二级菜单条（花体 / 特殊字符 共用） ===== */
.subbar {
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
  padding: 8px 10px; background: var(--bg-soft);
  border-bottom: 1px solid var(--border); flex-shrink: 0;
  max-height: 150px; overflow-y: auto;
}
.subbar[hidden] { display: none; }
.subbar-label {
  width: 100%; font-size: 11px; color: var(--text-soft);
  letter-spacing: 1px; margin: 4px 0 -2px;
}
.subbar-hint {
  width: 100%; font-size: 11px; color: var(--accent);
  letter-spacing: .3px; margin: -1px 0 1px; opacity: .9;
}
.fancy-chip {
  min-width: 38px; height: 34px; padding: 0 9px;
  font-size: 17px; line-height: 1; cursor: pointer;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all .15s;
}
.fancy-chip:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.fancy-chip.active {
  border-color: var(--accent); color: #fff;
  background: linear-gradient(135deg, #ff6b5e, #e6362a);
  box-shadow: 0 2px 8px rgba(230, 54, 42, .35);
}
.fancy-chip.off { font-size: 12px; color: var(--text-soft); }
.fancy-chip.sym { min-width: 34px; font-size: 16px; }

/* ===== 工具栏可拖动 / 浮动 ===== */
.tools { flex-shrink: 0; }
.tools.floating {
  position: fixed; z-index: 60; width: 560px; max-width: calc(100vw - 20px);
  background: var(--head-bg); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: 0 20px 55px rgba(0, 0, 0, .26); overflow: hidden;
}
.tools.floating .toolbar { border-bottom: none; }
.tools.floating::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, #ff6b5e, #e6362a);
}
.tb-btn.grip { cursor: grab; color: var(--text-soft); }
.tb-btn.grip:active { cursor: grabbing; }
.tb-btn.dock-btn[hidden] { display: none; }

/* ===== 预览 / 排版设置 折叠（按钮在面板缝隙里） ===== */
.col-mini { display: none; }
.col.collapsed .pane-head { display: none; }
.col.collapsed .stage,
.col.collapsed .settings { display: none; }
.col.collapsed .col-mini {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; padding: 12px 0; height: 100%; cursor: pointer;
}
.col-mini .mini-label {
  writing-mode: vertical-rl; font-size: 12px; letter-spacing: 3px;
  color: var(--text-soft); user-select: none;
}
.col-preview.collapsed { flex: 0 0 46px; }
.col-settings.collapsed { width: 46px; flex: 0 0 46px; padding: 0; }

/* 缝隙里的折叠把手 */
.divider.thin { width: 14px; cursor: col-resize; background: transparent; }
.divider.thin:hover::before, .divider.thin.dragging::before { background: var(--accent); }
.edge-btn {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  z-index: 8; width: 18px; height: 48px; padding: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; line-height: 1; cursor: pointer;
  color: var(--text-soft); background: var(--bg);
  border: 1px solid var(--border); border-radius: 9px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .12);
  transition: all .16s;
}
.edge-btn:hover {
  color: #fff; background: linear-gradient(135deg, #ff6b5e, #e6362a);
  border-color: transparent; box-shadow: 0 4px 14px rgba(230, 54, 42, .4);
}

/* ===== 预览背景层（颜色 / 图片 / 透明度 / 模糊） ===== */
.stage { position: relative; }
.stage-bg {
  position: absolute; inset: -24px; z-index: 0; pointer-events: none;
  background-size: cover; background-position: center; background-repeat: no-repeat;
  transition: opacity .2s, filter .2s;
}
.stage > *:not(.stage-bg) { position: relative; z-index: 1; }

/* 预览背景设置区 */
.hint-mini { font-size: 10px; font-weight: 400; color: var(--text-soft); }
.bg-seg { margin-bottom: 8px; }
.bg-seg .seg-btn { flex: 1; }
.bg-actions { display: flex; gap: 6px; }

/* ============================================================
   主题皮肤：暖宣纸 + 朱砂（文艺 · 现代）
   —— 放在最后统一覆盖，改版只需动这一段
   ============================================================ */
:root[data-theme="light"] {
  --bg: #fffefb;          /* 卡片底 */
  --bg-soft: #faf6ef;
  --text: #34302b;
  --text-soft: #9a9082;
  --border: #eae2d5;
  --head-bg: #fffefb;
  --accent: #b0552f;      /* 赭石朱砂 */
  --accent-soft: #f6e8df;
  --selection: #f1ddd0;
  --pane-bg: #f4efe6;     /* 页面底：宣纸暖灰 */
  --card-shadow: 0 1px 2px rgba(74, 48, 28, .04), 0 10px 28px rgba(74, 48, 28, .06);
}
:root[data-theme="dark"] {
  --bg: #1c1a18;
  --bg-soft: #232019;
  --text: #ded6c9;
  --text-soft: #8d8375;
  --border: #35302a;
  --head-bg: #211e1b;
  --accent: #d4724a;
  --accent-soft: #3a2a22;
  --selection: #4a3128;
  --pane-bg: #141210;
  --card-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 28px rgba(0, 0, 0, .35);
}
.app { background: var(--pane-bg); }

/* 顶栏：透明浮在宣纸上，衬线字标 */
.appbar { background: transparent; border-bottom: none; padding: 12px 20px 8px; }
.brand {
  font-family: "Songti SC", "STSong", Georgia, "Times New Roman", serif;
  font-size: 20px; font-weight: 700; letter-spacing: 3px; color: var(--text);
}
.brand::after {
  content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 2px;
  background: var(--accent); margin-left: 7px; vertical-align: middle; opacity: .9;
}
.brand-sub {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;
  font-size: 11px; letter-spacing: 0; color: var(--text-soft); margin-left: 8px;
}
.appbar .tb-btn { border-radius: 999px; padding: 7px 10px; font-size: 15px; }
.appbar .tb-btn:hover { background: var(--accent-soft); }

/* 卡片：更大圆角 + 发丝边 + 柔和投影 */
.col {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 16px; box-shadow: var(--card-shadow);
}
.pane-head, .toolbar { background: transparent; }
.pane-title, .set-title {
  font-family: "Songti SC", "STSong", Georgia, serif;
  letter-spacing: 1.5px; font-weight: 700;
}
.pane-head { border-bottom: 1px solid var(--border); }

/* 工具栏：窄了就自动换行堆叠（不再横向滚动） */
.toolbar { overflow: visible; padding: 6px 10px; }
.toolbar-row { flex-wrap: wrap; min-width: 0; gap: 3px; }
.toolbar .tb-btn { border-radius: 10px; }
.toolbar .tb-btn:hover { background: var(--accent-soft); color: var(--accent); }
/* 正在花体编辑状态：一级菜单按钮点亮 */
.toolbar .tb-btn.on {
  background: linear-gradient(135deg, #c2603a, #9c3f21);
  color: #fff; box-shadow: 0 2px 8px rgba(156, 63, 33, .3);
}

/* 分段控件 / 小按钮 / 主按钮 */
.seg { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 999px; padding: 3px; }
.seg-btn { border-radius: 999px; }
.seg-btn.active { background: var(--bg); color: var(--accent); box-shadow: 0 1px 4px rgba(74, 48, 28, .12); }
.mini-btn {
  border-radius: 999px; padding: 5px 13px; background: var(--bg); border: 1px solid var(--border);
}
.mini-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.btn-primary {
  background: linear-gradient(135deg, #c2603a, #9c3f21);
  color: #fff; border-radius: 999px; font-weight: 700;
  box-shadow: 0 4px 14px rgba(156, 63, 33, .3);
}
.btn-primary:hover { filter: brightness(1.06); box-shadow: 0 6px 18px rgba(156, 63, 33, .4); }
.fancy-chip.active { background: linear-gradient(135deg, #c2603a, #9c3f21); }
.edge-btn:hover { background: linear-gradient(135deg, #c2603a, #9c3f21); }

/* 表单控件：暖色细边 */
.row input[type="number"], .row input[type="text"], .row select { border-radius: 8px; }
.row input[type="text"]:focus, .row select:focus, .row input[type="number"]:focus {
  outline: none; border-color: var(--accent);
}
.swatch.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.tpl-card { border-radius: 12px; }
.tpl-card.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }

/* 手机壳：黑边框 + 真机比例（JS 按 9:19.5 写入精确尺寸，这里只做首屏兜底） */
.phone {
  height: 100%; width: auto; aspect-ratio: 9 / 19.5; max-width: 100%;
  position: relative; flex-shrink: 0;
  background: linear-gradient(165deg, #2b2e33, #0b0c0e);
  border: 1px solid #000; border-radius: 40px; padding: 6px;
  box-shadow: 0 26px 60px rgba(45, 26, 14, .32), 0 3px 10px rgba(0, 0, 0, .25),
              inset 0 1px 0 rgba(255, 255, 255, .10), inset 0 0 0 2px rgba(255, 255, 255, .05);
}
.phone-screen { border-radius: 35px; }
.phone::after { top: 20%; }
.stage { background: #faf8f5; }

/* 滚动条 */
.settings::-webkit-scrollbar, .subbar::-webkit-scrollbar, .fancy-list::-webkit-scrollbar { width: 8px; }
.settings::-webkit-scrollbar-thumb, .subbar::-webkit-scrollbar-thumb {
  background: #ddd3c4; border-radius: 4px;
}

/* ===== 区块库弹窗（赤陶模板自带 56 个区块） ===== */
.blocks-panel { width: min(1000px, calc(100vw - 40px)); height: min(86vh, 760px); }
.blocks-count { font-size: 11px; color: var(--text-soft); margin-left: 8px; letter-spacing: .5px; }
.blocks-body { flex: 1; min-height: 0; display: flex; }

.blocks-cats {
  width: 108px; flex-shrink: 0; padding: 10px 8px; overflow-y: auto;
  border-right: 1px solid var(--border); background: var(--bg-soft);
  display: flex; flex-direction: column; gap: 2px;
}
.blk-cat {
  text-align: left; border: none; background: transparent; cursor: pointer;
  font-size: 12px; color: var(--text-soft); padding: 7px 9px; border-radius: 8px;
  display: flex; align-items: center; justify-content: space-between; gap: 6px;
  font-family: inherit;
}
.blk-cat:hover { background: var(--bg); color: var(--text); }
.blk-cat.on { background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.blk-cat i { font-style: normal; font-size: 10px; opacity: .7; }

.blocks-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.blocks-hint {
  padding: 9px 14px; font-size: 11.5px; color: var(--text-soft);
  border-bottom: 1px solid var(--border); background: var(--bg); flex-shrink: 0;
}
.blocks-hint[hidden] { display: none; }
.blocks-hint b { color: var(--accent); font-weight: 700; }
.blocks-hint button {
  margin-left: 6px; font-size: 11px; padding: 2px 8px; cursor: pointer;
  border: 1px solid var(--accent); background: var(--accent-soft); color: var(--accent);
  border-radius: 6px; font-family: inherit; font-weight: 600;
}
.blocks-list {
  flex: 1; min-height: 0; overflow-y: auto; padding: 12px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 10px;
  align-content: start;
}
.blk-card {
  border: 1px solid var(--border); border-radius: 12px; background: var(--bg);
  overflow: hidden; cursor: pointer; transition: border-color .15s, box-shadow .15s, transform .15s;
  display: flex; flex-direction: column;
}
.blk-card:hover { border-color: var(--accent); box-shadow: 0 8px 22px rgba(45, 26, 14, .12); transform: translateY(-1px); }
.blk-shot {
  position: relative; height: 148px; overflow: hidden; flex-shrink: 0;
  background: #f4f2ee; border-bottom: 1px solid var(--border);
}
.blk-shot-inner { position: absolute; left: 0; top: 0; width: 640px; transform-origin: 0 0; pointer-events: none; }
.blk-meta { padding: 7px 10px 8px; display: flex; align-items: baseline; gap: 6px; }
.blk-name { font-size: 12px; font-weight: 700; color: var(--text); }
.blk-en { font-size: 10px; color: var(--text-soft); letter-spacing: .3px; margin-left: auto; }
.blk-note { padding: 0 10px 9px; font-size: 10.5px; color: var(--text-soft); line-height: 1.6; }

/* 预览里的图片位：没填图时是个可点的虚线框 */
.slot-ph { cursor: pointer; }

@media (max-width: 720px) {
  .blocks-cats { width: 84px; }
  .blk-shot { height: 110px; }
}

/* ===== 工作台：三栏直接铺满屏幕，只留很小的边框呼吸，不居中、不锁宽 ===== */
.appbar {
  width: 100%;
  padding: 30px 16px 16px;
}
.layout {
  padding: 10px 16px 18px;
  width: 100%;
}
/* 窗口窄一点的时候留白跟着收，别把内容挤没了 */
@media (max-width: 1180px) {
  .appbar { padding: 20px 12px 12px; }
  .layout { padding: 8px 12px 14px; }
}

/* ============================================================
   主题皮肤（2026-09-18）
   设计变量：
   淡青灰对角渐变画布 + 纯白卡片浮起（大而柔的墨绿调阴影）
   + 发丝描边 + 墨绿黑文字 + 橙红主操作色。
   —— 放在最后统一覆盖，改版只需动这一段
   ============================================================ */
:root[data-theme="light"] {
  --bg: #ffffff;
  --bg-soft: #f4f8f7;
  --text: #13251f;
  --text-soft: #6d837d;
  --border: #e3edea;
  --head-bg: #fbfdfc;
  --accent: #f05a2a;        /* 主操作色：橙红 */
  --accent-soft: #fff3ed;
  --selection: #ffe4d6;
  --pane-bg: transparent;   /* 画布渐变画在 .app 上，顶栏透出同一块画布 */
}
/* 整块画布（顶栏 + 工作台共用一个渐变，不再有「白条 + 灰底」的割裂） */
:root[data-theme="light"] .app {
  background:
    radial-gradient(1100px 380px at 88% -60px, rgba(8, 126, 112, .07), transparent 60%),
    linear-gradient(135deg, #f4f7f6 0%, #edf3f1 48%, #fdfffe 100%);
}
/* 卡片：发丝描边 + 大而柔的投影 */
:root[data-theme="light"] .col {
  border: 1px solid #e3edea;
  box-shadow: 0 18px 48px rgba(18, 55, 45, .07), 0 2px 8px rgba(18, 55, 45, .04);
  border-radius: 16px;
}
:root[data-theme="light"] .pane-head { background: transparent; border-bottom-color: #eef4f2; }
:root[data-theme="light"] .toolbar { background: transparent; border-bottom-color: #eef4f2; }
/* 预览舞台：跟画布同族的浅青灰，手机壳浮在上面 */
:root[data-theme="light"] .stage { background: linear-gradient(180deg, #f2f7f5, #e8f0ed); }

/* 主按钮：扁平橙红药丸（去渐变、去重投影） */
.btn-primary {
  background: #f05a2a;
  border-radius: 999px; padding: 10px 22px;
  box-shadow: 0 10px 26px rgba(240, 90, 42, .28);
}
.btn-primary:hover { background: #e04d1f; filter: none; box-shadow: 0 12px 30px rgba(240, 90, 42, .36); }
.btn-primary:active { background: #c83b12; box-shadow: 0 4px 14px rgba(240, 90, 42, .3); }

/* 工具栏图标：收小一号，别再占两排大格子 */
.toolbar .tb-btn { min-width: 33px; height: 33px; font-size: 15px; border-radius: 9px; }
.toolbar .tb-btn:hover { background: var(--accent-soft); }

/* 顶栏文字按钮也是药丸 */
.appbar .tb-btn { border-radius: 999px; padding: 7px 12px; }

/* 品牌区：logo 标记 + 名称 + slogan */
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 30px; height: 30px; display: block; flex-shrink: 0;
  border-radius: 9px; box-shadow: 0 4px 12px rgba(240, 90, 42, .30);
}
.brand-name { font-size: 20px; font-weight: 800; letter-spacing: 3px; color: var(--text); }
.brand-sub { font-size: 12px; font-weight: 400; color: var(--text-soft); margin-left: 2px; letter-spacing: .5px; }

/* ---------- 工具栏弹出层：标题菜单 / 表格方格选块（2026-09-19） ---------- */
.menu-pop, .grid-pop {
  position: fixed; z-index: 90;
  background: #fff; border: 1px solid #e6e1d8; border-radius: 12px;
  box-shadow: 0 14px 40px rgba(18, 55, 45, .14);
  padding: 6px; animation: popIn .14s ease;
}
@keyframes popIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.menu-pop { min-width: 168px; }
.menu-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border-radius: 8px; cursor: pointer;
  font-size: 13px; color: #3d4048; user-select: none;
}
.menu-item:hover { background: #fff3ed; }
.menu-item .mk {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-weight: 700; color: var(--accent, #f05a2a); min-width: 46px; font-size: 12px;
}
.menu-item .mt { font-weight: 500; }
.menu-item:nth-child(1) .mt { font-size: 15px; font-weight: 700; }
.menu-item:nth-child(2) .mt { font-size: 14px; font-weight: 700; }
.menu-item:nth-child(3) .mt { font-size: 13.5px; font-weight: 600; }

.grid-pop { padding: 12px; }
.grid-grid { display: grid; grid-template-columns: repeat(8, 17px); gap: 5px; }
.grid-cell {
  width: 17px; height: 17px; border-radius: 4px;
  background: #ececea; border: 1px solid rgba(0,0,0,.05);
  cursor: pointer; transition: background .06s;
}
.grid-cell:hover { background: #f6c9b5; }
.grid-cell.on { background: var(--accent, #f05a2a); border-color: transparent; }
.grid-status { margin-top: 10px; font-size: 12px; color: #82958f; text-align: center; letter-spacing: .5px; }

/* 一键清空：第一次点击点亮成警示红，3 秒内再点执行 */
.toolbar .tb-btn.arm { background: #e8480f; color: #fff; box-shadow: 0 0 0 3px rgba(232, 72, 15, .18); }

/* HTML 按钮：从 33px 小图标换成更大的文字按钮（比同级图标按钮明显大一圈） */
.toolbar .tb-btn.tb-html {
  min-width: 68px; height: 36px; padding: 0 14px;
  font-size: 13px; font-weight: 800; letter-spacing: 1px;
  border-radius: 9px;
  color: var(--accent, #f05a2a);
  border-color: rgba(240, 90, 42, .38);
  background: var(--accent-soft, #fdeaea);
}
.toolbar .tb-btn.tb-html:hover { background: var(--accent, #f05a2a); color: #fff; border-color: transparent; }

/* ===== 排版设置面板：分层（每个分组 = 一张可折叠卡片，标题可点） ===== */
.settings > .set-sec {
  margin-bottom: 10px;
  padding: 11px 12px 13px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-soft);
}
.settings > .set-sec:last-child { margin-bottom: 0; }
.set-sec > .set-title {
  display: flex; align-items: center;
  margin: 0; padding: 1px 0;
  font-size: 12.5px; font-weight: 800; letter-spacing: .3px;
  cursor: pointer; user-select: none;
}
.set-sec > .set-title::after {
  content: "▾"; margin-left: auto; padding-left: 8px;
  font-size: 10px; line-height: 1; color: var(--text-soft);
  opacity: .8; transition: transform .18s ease;
}
.set-sec.closed > .set-title::after { transform: rotate(-90deg); }
.set-sec > .set-title:hover { color: var(--accent); }
.set-sec > .set-title:hover::after { color: var(--accent); }
.set-sec:not(.closed) > .set-title { margin-bottom: 9px; }
.set-sec > .set-body { display: flex; flex-direction: column; }
.set-sec.closed > .set-body { display: none; }
.set-sec .reset-link { margin-left: 8px; font-weight: 500; font-size: 11px; }
/* 折叠态：标题下方不再留白，卡片更紧凑 */
.set-sec.closed { padding-bottom: 11px; }

/* 抓取弹窗：本地服务状态行 */
.fetch-proxy-row {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin: -4px 0 10px; font-size: 12px;
}
.proxy-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px; border-radius: 999px; font-size: 11.5px;
  background: var(--accent-soft); color: var(--text-soft);
  border: 1px solid var(--border);
}
.proxy-pill::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: #c9a227; flex-shrink: 0;
}
.proxy-pill.on { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.proxy-pill.on::before { background: #21a366; }
.proxy-auto { display: inline-flex; align-items: center; gap: 5px; color: var(--text-soft); margin-left: auto; }

/* ============================================================
   全局侧栏：主簿（2026-09-22）
   排版编辑器 = 主簿里的一个工具，与 doc-tools 各页同一套侧栏（一级=文档/图片/视频工具）。
   行为统一：body.side-off 一个开关管收展（汉堡键切换），任何宽度
   行为一致；仅 ≤640px 由 JS 默认加 side-off（真手机才默认收起）。
   ============================================================ */
.side{position:fixed;left:0;top:0;bottom:0;width:200px;background:#191c28;color:#aab0bf;
  display:flex;flex-direction:column;padding:16px 10px 12px;overflow-y:auto;z-index:60;
  transition:transform .2s ease}
.s-brand{display:flex;align-items:center;gap:9px;padding:2px 8px 16px;text-decoration:none;color:#fff}
.s-logo{width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,#ff8a4c,#f05a2a);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px}
.s-brand b{font-size:14px;letter-spacing:2px;font-weight:600}
.s-cap{font-size:10.5px;color:#6a7080;letter-spacing:1.5px;margin:12px 8px 6px}
.s-item{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:9px;
  color:#b9bdc9;font-size:13px;text-decoration:none;margin-bottom:2px}
.s-item svg{flex:0 0 auto}
.s-item:hover{background:rgba(255,255,255,.06);color:#fff}
.s-item.on{background:rgba(255,255,255,.10);color:#fff;font-weight:600}
.s-item.sub{padding:7px 10px 7px 27px;font-size:12.5px}
.s-item.soon{opacity:.45;cursor:default}
.s-item.soon:hover{background:none;color:#b9bdc9}
.s-tag{margin-left:auto;font-size:9.5px;border:1px solid rgba(255,255,255,.16);
  padding:1px 6px;border-radius:999px;color:#8b90a0}
.s-foot{margin-top:auto;padding:14px 8px 4px;font-size:10.5px;color:#6a7080;line-height:1.9}
/* 三栏工作台给侧栏让位；收起时归零 */
.app{margin-left:200px;transition:margin-left .2s ease}
body.side-off .side{transform:translateX(-100%)}
body.side-off .app{margin-left:0}
/* 汉堡键（放在顶栏 brand 里，跟随明暗主题） */
.burger{width:34px;height:34px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:9px;background:transparent;color:var(--text);
  cursor:pointer;transition:background .15s,border-color .15s}
.burger:hover{border-color:var(--accent);background:var(--accent-soft)}