/* ============================================
   ENV.bio — Apple HIG Design System v3
   Light: Daylight Aurora  ·  Dark: Deep Space
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&display=swap');

/* ══ Design Tokens — Light (default) ══════════ */
:root {
  --font: 'DM Sans', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', sans-serif;

  /* Daylight Aurora — 5 soft blobs on light gray */
  --bg-gradient:
    radial-gradient(ellipse 110% 75% at 18% 88%, hsla(215, 100%, 68%, 0.22) 0%, transparent 58%),
    radial-gradient(ellipse 75%  55% at 88%  8%, hsla(265,  85%, 75%, 0.18) 0%, transparent 52%),
    radial-gradient(ellipse 90%  60% at 48% 42%, hsla(190,  75%, 80%, 0.11) 0%, transparent 62%),
    radial-gradient(ellipse 65%  80% at 80% 90%, hsla(148,  70%, 68%, 0.17) 0%, transparent 48%),
    radial-gradient(ellipse 55%  50% at  5% 28%, hsla(330,  80%, 75%, 0.13) 0%, transparent 44%),
    #eef1f6;

  /* Chrome surfaces */
  --bg-surface:  #ffffff;
  --bg-header:   rgba(238, 241, 246, 0.78);
  --bg-sider:    rgba(238, 241, 246, 0.70);
  --bg-overlay:  rgba(255, 255, 255, 0.94);   /* popovers / dropdowns */

  /* Typography */
  --text-primary:   #1d1d1f;
  --text-secondary: #6e6e73;

  /* Borders */
  --border-faint:  rgba(0, 0, 0, 0.06);
  --border-subtle: rgba(0, 0, 0, 0.10);
  --border-medium: rgba(0, 0, 0, 0.16);

  /* Primary (filled) button — Apple near-black pill */
  --btn-fill-bg:       #1d1d1f;
  --btn-fill-text:     #ffffff;
  --btn-fill-hover:    #3a3a3c;
  --btn-fill-active:   #48484a;

  /* Ghost button */
  --btn-ghost-bg:       rgba(0, 0, 0, 0.055);
  --btn-ghost-text:     #1d1d1f;
  --btn-ghost-border:   rgba(0, 0, 0, 0.14);
  --btn-ghost-hover-bg: rgba(0, 0, 0, 0.09);

  --accent: #0071e3;

  /* Shadows */
  --shadow-xs: 0 1px  3px rgba(0,0,0,0.06);
  --shadow-sm: 0 2px 14px rgba(0,0,0,0.09), 0 0 0 0.5px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 30px rgba(0,0,0,0.11), 0 0 0 0.5px rgba(0,0,0,0.04);
  --shadow-lg: 0 14px 54px rgba(0,0,0,0.14);

  /* Radii */
  --r-sm:   10px;
  --r-md:   14px;
  --r-lg:   18px;
  --r-xl:   22px;
  --r-pill: 100px;
  --ease:   cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Mail view */
  --card-mail-bg:     rgba(255, 255, 255, 0.52);
  --card-mail-border: rgba(255, 255, 255, 0.55);

  /* Scrollbar */
  --scrollbar-thumb:       rgba(0,   0,   0,   0.14);
  --scrollbar-thumb-hover: rgba(0,   0,   0,   0.26);

  /* Misc */
  --grain-opacity: 0.022;
}

/* ══ DARK MODE — Deep Space Aurora ════════════
   Covers every class/attr pattern an app might
   use: .dark-mode · .dark · html.dark · body.dark
   · [data-theme="dark"]                          */
.dark-mode,
.dark,
html.dark,
body.dark,
[data-theme="dark"] {

  /* Night aurora — same positions, vivid + luminous on deep-space canvas */
  --bg-gradient:
    radial-gradient(ellipse 120% 80% at 15% 85%, hsla(220, 100%, 62%, 0.30) 0%, transparent 55%),
    radial-gradient(ellipse 80%  60% at 90% 10%, hsla(272,  90%, 68%, 0.24) 0%, transparent 50%),
    radial-gradient(ellipse 95%  65% at 50% 45%, hsla(190,  80%, 65%, 0.14) 0%, transparent 60%),
    radial-gradient(ellipse 70%  85% at 82% 88%, hsla(145,  75%, 58%, 0.22) 0%, transparent 46%),
    radial-gradient(ellipse 60%  55% at  8% 25%, hsla(318,  88%, 68%, 0.18) 0%, transparent 42%),
    #06060f;

  --bg-surface:  rgba(20, 20, 32, 0.80);
  --bg-header:   rgba( 6,  6, 16, 0.86);
  --bg-sider:    rgba( 8,  8, 18, 0.82);
  --bg-overlay:  rgba(14, 14, 26, 0.96);

  --text-primary:   #e8e8f4;
  --text-secondary: rgba(232, 232, 244, 0.50);

  --border-faint:  rgba(255, 255, 255, 0.05);
  --border-subtle: rgba(255, 255, 255, 0.09);
  --border-medium: rgba(255, 255, 255, 0.17);

  /* Inverted: light pill on dark background */
  --btn-fill-bg:       #e8e8f4;
  --btn-fill-text:     #0a0a16;
  --btn-fill-hover:    #f4f4ff;
  --btn-fill-active:   #cecee0;

  --btn-ghost-bg:       rgba(255, 255, 255, 0.07);
  --btn-ghost-text:     #e8e8f4;
  --btn-ghost-border:   rgba(255, 255, 255, 0.13);
  --btn-ghost-hover-bg: rgba(255, 255, 255, 0.12);

  --accent: #4da3ff;

  --shadow-xs: 0 1px  4px rgba(0,0,0,0.70);
  --shadow-sm: 0 2px 16px rgba(0,0,0,0.72), 0 0 0 0.5px rgba(255,255,255,0.06);
  --shadow-md: 0 4px 32px rgba(0,0,0,0.80), 0 0 0 0.5px rgba(255,255,255,0.05);
  --shadow-lg: 0 16px 60px rgba(0,0,0,0.90);

  --card-mail-bg:     rgba(255, 255, 255, 0.05);
  --card-mail-border: rgba(255, 255, 255, 0.09);

  --scrollbar-thumb:       rgba(255, 255, 255, 0.12);
  --scrollbar-thumb-hover: rgba(255, 255, 255, 0.24);

  --grain-opacity: 0.030;
}

/* :has() safety net — ensures html/body background goes dark even
   when the dark class is applied to a container INSIDE the tree
   (Chrome 105+, Safari 15.4+, Firefox 121+)                       */
html:has(.dark-mode),
html:has(.dark),
html:has([data-theme="dark"]) {
  background:
    radial-gradient(ellipse 120% 80% at 15% 85%, hsla(220, 100%, 62%, 0.30) 0%, transparent 55%),
    radial-gradient(ellipse 80%  60% at 90% 10%, hsla(272,  90%, 68%, 0.24) 0%, transparent 50%),
    radial-gradient(ellipse 95%  65% at 50% 45%, hsla(190,  80%, 65%, 0.14) 0%, transparent 60%),
    radial-gradient(ellipse 70%  85% at 82% 88%, hsla(145,  75%, 58%, 0.22) 0%, transparent 46%),
    radial-gradient(ellipse 60%  55% at  8% 25%, hsla(318,  88%, 68%, 0.18) 0%, transparent 42%),
    #06060f !important;
  background-attachment: fixed !important;
}

/* ── Base ───────────────────────────────────── */
*, *::before, *::after, body {
  font-family: var(--font) !important;
  -webkit-font-smoothing: antialiased !important;
  -moz-osx-font-smoothing: grayscale !important;
}

html, body {
  background: var(--bg-gradient) !important;
  background-attachment: fixed !important;
}

/* ── Smooth theme transition ────────────────── */
.n-layout-header,
.n-layout-sider,
.n-layout-sider > .n-scrollbar > .n-scrollbar-container,
.n-card {
  transition:
    background 0.40s ease,
    border-color 0.30s ease,
    box-shadow 0.22s var(--ease) !important;
}

/* ── Grain overlay — subtle film depth ──────── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
  opacity: var(--grain-opacity);
  pointer-events: none;
  z-index: 9999;
}

/* ── Layout — transparent containers ───────── */
.n-layout,
.n-layout > .n-layout-scroll-container,
.n-layout-content,
.n-layout-content > .n-scrollbar > .n-scrollbar-container,
.n-layout-content > .n-scrollbar > .n-scrollbar-container > .n-scrollbar-content {
  background: transparent !important;
}

/* ── Header — frosted glass ─────────────────── */
.n-layout-header {
  backdrop-filter: blur(28px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(28px) saturate(180%) !important;
  background: var(--bg-header) !important;
  border-bottom: 0.5px solid var(--border-subtle) !important;
  box-shadow: var(--shadow-xs) !important;
}

/* ── Sider — frosted glass ──────────────────── */
.n-layout-sider,
.n-layout-sider > .n-scrollbar > .n-scrollbar-container {
  background: var(--bg-sider) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border-right: 0.5px solid var(--border-subtle) !important;
}

/* ── Cards ──────────────────────────────────── */
.n-card {
  background: var(--bg-surface) !important;
  border: 0.5px solid var(--border-subtle) !important;
  border-radius: var(--r-xl) !important;
  box-shadow: var(--shadow-sm) !important;
}
.n-card:hover { box-shadow: var(--shadow-md) !important; }

/* ── Popovers / Dropdowns / Select menus ────── */
/* 注意：排除 .n-tooltip —— tooltip 默认深色背景+白色文字，
   若被我们改成白色背景，文字就看不见了               */
.n-popover:not(.n-tooltip),
.n-dropdown-menu,
.n-base-select-menu,
.n-date-panel,
.n-color-picker-panel {
  background: var(--bg-overlay) !important;
  border: 0.5px solid var(--border-subtle) !important;
  border-radius: var(--r-lg) !important;
  box-shadow: var(--shadow-md) !important;
  backdrop-filter: blur(24px) !important;
  -webkit-backdrop-filter: blur(24px) !important;
}

/* Tooltip：保持 Naive UI 默认深底白字，只加圆角 */
.n-tooltip { border-radius: var(--r-md) !important; }

/* ══ PRIMARY BUTTON — Apple filled pill ════════ */
.n-button--primary-type {
  background:       var(--btn-fill-bg) !important;
  background-color: var(--btn-fill-bg) !important;
  border:           none !important;
  border-color:     transparent !important;
  color:            var(--btn-fill-text) !important;
  border-radius:    var(--r-pill) !important;
  overflow:         hidden !important;
  padding-left:     20px !important;
  padding-right:    20px !important;
  font-weight:      500 !important;
  letter-spacing:   -0.01em !important;
  box-shadow:       none !important;
  transition:       background 0.15s var(--ease), transform 0.12s var(--ease) !important;
}
.n-button--primary-type .n-button__content,
.n-button--primary-type .n-button__icon,
.n-button--primary-type .n-button__icon .n-icon {
  color: var(--btn-fill-text) !important;
  fill:  var(--btn-fill-text) !important;
}
.n-button--primary-type:hover  { background: var(--btn-fill-hover)  !important; transform: translateY(-1px) !important; }
.n-button--primary-type:active { background: var(--btn-fill-active) !important; transform: scale(0.985) !important; }

/* ── Ghost / default button ─────────────────── */
.n-button--default-type {
  background:    var(--btn-ghost-bg) !important;
  border-color:  var(--btn-ghost-border) !important;
  color:         var(--btn-ghost-text) !important;
  border-radius: var(--r-pill) !important;
  overflow:      hidden !important;
  padding-left:  20px !important;
  padding-right: 20px !important;
  font-weight:   500 !important;
  transition:    background 0.15s var(--ease), transform 0.12s var(--ease) !important;
}
.n-button--default-type .n-button__content,
.n-button--default-type .n-button__icon .n-icon { color: var(--btn-ghost-text) !important; }
.n-button--default-type:hover {
  background:   var(--btn-ghost-hover-bg) !important;
  border-color: var(--border-medium) !important;
  transform:    translateY(-1px) !important;
}
.n-button--default-type:active { transform: scale(0.985) !important; }

/* All buttons share pill radius */
.n-button {
  border-radius: var(--r-pill) !important;
  font-weight:   500 !important;
}

/* ── Inputs ─────────────────────────────────── */
.n-input                    { border-radius: var(--r-md) !important; }
.n-input .n-input__border,
.n-input .n-input__state-border { border-radius: var(--r-md) !important; }
.n-base-selection           { border-radius: var(--r-md) !important; }

/* ── Tables / Menu / Tags / Alerts ─────────── */
.n-data-table,
.n-data-table-wrapper { border-radius: var(--r-lg) !important; overflow: hidden !important; }
.n-menu .n-menu-item-content { border-radius: 6px !important; }
.n-alert                     { border-radius: var(--r-md) !important; }
.n-tag                       { border-radius: 6px !important; }

/* ── Modal ──────────────────────────────────── */
.n-modal-body-wrapper,
.n-dialog,
.n-card.n-dialog {
  border-radius: var(--r-xl) !important;
  overflow:      hidden !important;
  box-shadow:    var(--shadow-lg) !important;
}

/* ══ Mail view ═════════════════════════════════

   Selector guide:
     data-v-aaa90028 / data-v-fee628d7 — mail list component
     data-v-bb553b17                   — mail content renderer
     data-v-dc649573                   — side/main layout         */

/* 1. List cards: semi-transparent frosted glass so aurora shows */
[data-v-aaa90028] .n-card,
[data-v-fee628d7] .n-card {
  background:              var(--card-mail-bg) !important;
  backdrop-filter:         blur(14px) !important;
  -webkit-backdrop-filter: blur(14px) !important;
  border:        0.5px solid var(--card-mail-border) !important;
  border-radius: var(--r-lg) !important;
  overflow:      hidden !important;
  transition:    background 0.40s ease, border-color 0.30s ease, box-shadow 0.22s var(--ease) !important;
}

/* 2. Mail detail card outer — full rounded corners + stacking context */
[data-v-aaa90028].n-card,
[data-v-fee628d7].n-card,
[data-v-bb553b17].n-card,
[data-v-aaa90028] > .n-card,
[data-v-fee628d7] > .n-card,
[data-v-bb553b17] > .n-card {
  border-radius: var(--r-xl) !important;
  overflow:      hidden !important;
  isolation:     isolate !important;
}

/* 3. Inner layers: bottom corners must match to avoid square bleed-through */
[data-v-bb553b17] .n-card > *:last-child,
[data-v-aaa90028] .n-card > *:last-child,
[data-v-fee628d7] .n-card > *:last-child {
  border-radius: 0 0 var(--r-xl) var(--r-xl) !important;
  overflow:      hidden !important;
}

[data-v-aaa90028] .n-card-content,
[data-v-fee628d7] .n-card-content,
[data-v-bb553b17] .n-card-content {
  border-radius: 0 0 var(--r-xl) var(--r-xl) !important;
  overflow:      hidden !important;
}

/* 4. Scrollbar container inside card */
[data-v-bb553b17] .n-scrollbar-container,
[data-v-aaa90028] .n-scrollbar-container,
[data-v-fee628d7] .n-scrollbar-container {
  border-radius: 0 0 var(--r-xl) var(--r-xl) !important;
  overflow:      hidden !important;
}

/* 5. iframe bottom corners */
.mail-iframe[data-v-bb553b17] {
  border-radius: 0 0 var(--r-xl) var(--r-xl) !important;
  overflow:      hidden !important;
}

/* 6. Mail content renderer */
.mail-content-renderer[data-v-bb553b17] {
  border-radius: var(--r-lg) !important;
  overflow:      hidden !important;
}

/* 7. Side/main wrappers must be transparent to show aurora */
.side[data-v-dc649573],
.main[data-v-dc649573] {
  background: transparent !important;
}

/* 8. Full-screen overlay */
.overlay[data-v-aaa90028],
.overlay[data-v-fee628d7] {
  border-radius: var(--r-xl) !important;
  overflow:      hidden !important;
}

/* ══ Homepage cleanup ══════════════════════════

   1. 隐藏"帮助"Tab 及版本按钮
   2. 让剩余两个 Tab 等宽占满整行
   `:has()` 确保只影响含 help tab 的 Tabs 组件  */

.n-tabs-tab[data-name="help"]  { display: none !important; }
.header-version-button          { display: none !important; }

/* Equal-width tabs — only the login-card tabs group */
.n-tabs:has(.n-tabs-tab[data-name="help"]) .n-tabs-tab {
  flex: 1 !important;
  justify-content: center !important;
  min-width: 0 !important;
  max-width: none !important;
}
/* Tab-pads become zero-width so tabs fill full row */
.n-tabs:has(.n-tabs-tab[data-name="help"]) .n-tabs-tab-pad {
  flex:      0 0 0 !important;
  width:     0 !important;
  min-width: 0 !important;
  overflow:  hidden !important;
  padding:   0 !important;
}
/* Ensure scroll container stretches to card width */
.n-tabs:has(.n-tabs-tab[data-name="help"]) .n-tabs-nav-scroll-content,
.n-tabs:has(.n-tabs-tab[data-name="help"]) .n-tabs-nav-scroll-wrapper {
  width: 100% !important;
  overflow: visible !important;
}

/* ── Footer quote carousel ──────────────────── */
#quote-carousel {
  font-style:     italic;
  letter-spacing: 0.07em;
  font-weight:    300;
  opacity:        0.55;
  color:          var(--text-secondary);
  transition:     opacity 0.5s ease, transform 0.5s var(--ease);
  transform:      translateY(0);
  display:        inline-block;
  user-select:    none;
}

/* ── Focus ring ─────────────────────────────── */
*:focus-visible {
  outline:        2px solid var(--accent) !important;
  outline-offset: 2px !important;
  border-radius:  4px !important;
}

/* ── Scrollbar ──────────────────────────────── */
::-webkit-scrollbar             { width: 5px; height: 5px; }
::-webkit-scrollbar-track       { background: transparent; }
::-webkit-scrollbar-thumb       { background: var(--scrollbar-thumb); border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }

/* ══ Beijing Time Clock ════════════════════════
   Expand: shows label + HH:MM:SS + date
   Collapse: pill showing only HH:MM
   Click pill to expand · click − to collapse   */

#bj-clock {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 9998;
  cursor: pointer;
  user-select: none;
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

/* Card shell */
#bjci {
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  background: rgba(255, 255, 255, 0.76);
  border: 0.5px solid rgba(0, 0, 0, 0.10);
  border-radius: 18px;
  box-shadow: 0 4px 28px rgba(0,0,0,0.10), 0 0 0 0.5px rgba(0,0,0,0.04);
  padding: 14px 18px 12px;
  min-width: 172px;
  transition:
    border-radius  0.36s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    padding        0.36s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    min-width      0.36s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    box-shadow     0.22s ease;
}
#bj-clock:hover #bjci {
  box-shadow: 0 6px 36px rgba(0,0,0,0.14), 0 0 0 0.5px rgba(0,0,0,0.07);
}

/* Pill (collapsed) state */
#bj-clock.bj-pill #bjci {
  border-radius: 100px;
  padding: 8px 16px;
  min-width: 0;
}

/* Header row: label + hide button */
#bjch {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  overflow: hidden;
  max-height: 22px;
  opacity: 1;
  transition:
    max-height    0.30s ease,
    opacity       0.22s ease,
    margin-bottom 0.30s ease;
}
#bj-clock.bj-pill #bjch {
  max-height: 0;
  opacity: 0;
  margin-bottom: 0;
}

/* "北京时间" label */
#bjcl {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.30);
}

/* Hide / collapse button */
#bjcb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.06);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: rgba(0, 0, 0, 0.38);
  padding: 0;
  transition: background 0.15s ease, color 0.15s ease;
}
#bjcb svg { width: 10px; height: 10px; }
#bjcb:hover {
  background: rgba(0, 0, 0, 0.12);
  color: rgba(0, 0, 0, 0.65);
}

/* Time — HH:MM:SS */
#bjct {
  font-size: 28px;
  font-weight: 300;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.025em;
  color: #1d1d1f;
  line-height: 1;
  margin-bottom: 5px;
  white-space: nowrap;
  transition:
    font-size     0.30s ease,
    font-weight   0.30s ease,
    letter-spacing 0.30s ease,
    margin-bottom 0.30s ease;
}
#bj-clock.bj-pill #bjct {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 0;
}

/* Date */
#bjcd {
  font-size: 11px;
  color: rgba(0, 0, 0, 0.36);
  letter-spacing: 0.03em;
  overflow: hidden;
  max-height: 18px;
  opacity: 1;
  transition:
    max-height  0.30s ease,
    opacity     0.22s ease;
}
#bj-clock.bj-pill #bjcd {
  max-height: 0;
  opacity: 0;
}

/* ── Clock dark mode ────────────────────────── */
.dark-mode #bjci,
.dark #bjci,
html.dark #bjci,
body.dark #bjci,
[data-theme="dark"] #bjci {
  background: rgba(18, 18, 30, 0.84);
  border-color: rgba(255, 255, 255, 0.09);
  box-shadow: 0 4px 28px rgba(0,0,0,0.62), 0 0 0 0.5px rgba(255,255,255,0.05);
}
.dark-mode #bj-clock:hover #bjci,
.dark #bj-clock:hover #bjci,
html.dark #bj-clock:hover #bjci {
  box-shadow: 0 6px 36px rgba(0,0,0,0.72), 0 0 0 0.5px rgba(255,255,255,0.08);
}

.dark-mode #bjcl,
.dark #bjcl,
html.dark #bjcl,
body.dark #bjcl,
[data-theme="dark"] #bjcl { color: rgba(255, 255, 255, 0.28); }

.dark-mode #bjcb,
.dark #bjcb,
html.dark #bjcb,
body.dark #bjcb,
[data-theme="dark"] #bjcb {
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.35);
}
.dark-mode #bjcb:hover,
.dark #bjcb:hover,
html.dark #bjcb:hover {
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.72);
}

.dark-mode #bjct,
.dark #bjct,
html.dark #bjct,
body.dark #bjct,
[data-theme="dark"] #bjct { color: #e8e8f4; }

.dark-mode #bjcd,
.dark #bjcd,
html.dark #bjcd,
body.dark #bjcd,
[data-theme="dark"] #bjcd { color: rgba(255, 255, 255, 0.36); }

/* ── Mobile: clock moves into header, left of 菜单 button ── */
@media (max-width: 768px) {
  #bj-clock {
    /* 移入 header 区域：紧贴菜单按钮左侧 */
    position: fixed !important;
    top:    0 !important;
    bottom: auto !important;
    left:   auto !important;
    right:  74px !important;        /* ≈ 菜单按钮宽度 */
    height: 50px !important;        /* ≈ 移动端 header 高度 */
    z-index: 10000;
    display: flex !important;
    align-items: center !important;
    pointer-events: none;           /* 手机上不需要点击交互 */
  }

  /* 去掉卡片外观，融入 header */
  #bjci {
    background:              transparent !important;
    border:                  none !important;
    box-shadow:              none !important;
    backdrop-filter:         none !important;
    -webkit-backdrop-filter: none !important;
    border-radius:           0 !important;
    padding:                 0 !important;
    min-width:               0 !important;
    transition:              none !important;
  }

  /* 强制隐藏标签行和日期（只露时间） */
  #bjch {
    max-height:    0 !important;
    opacity:       0 !important;
    margin-bottom: 0 !important;
    overflow:      hidden !important;
  }
  #bjcd {
    max-height: 0 !important;
    opacity:    0 !important;
  }

  /* 时间：小字、稍淡，融入 header 风格 */
  #bjct {
    font-size:      12px !important;
    font-weight:    500 !important;
    letter-spacing: 0.06em !important;
    color:          rgba(0, 0, 0, 0.42) !important;
    margin-bottom:  0 !important;
    transition:     none !important;
  }

  /* 暗色 header 下时间颜色 */
  .dark-mode #bjct,
  .dark #bjct,
  html.dark #bjct,
  body.dark #bjct,
  [data-theme="dark"] #bjct { color: rgba(232, 232, 244, 0.48) !important; }
}