*, ::before, ::after {
  --tw-border-spacing-x: 0;
  --tw-border-spacing-y: 0;
  --tw-translate-x: 0;
  --tw-translate-y: 0;
  --tw-rotate: 0;
  --tw-skew-x: 0;
  --tw-skew-y: 0;
  --tw-scale-x: 1;
  --tw-scale-y: 1;
  --tw-pan-x:  ;
  --tw-pan-y:  ;
  --tw-pinch-zoom:  ;
  --tw-scroll-snap-strictness: proximity;
  --tw-gradient-from-position:  ;
  --tw-gradient-via-position:  ;
  --tw-gradient-to-position:  ;
  --tw-ordinal:  ;
  --tw-slashed-zero:  ;
  --tw-numeric-figure:  ;
  --tw-numeric-spacing:  ;
  --tw-numeric-fraction:  ;
  --tw-ring-inset:  ;
  --tw-ring-offset-width: 0px;
  --tw-ring-offset-color: #fff;
  --tw-ring-color: rgb(59 130 246 / 0.5);
  --tw-ring-offset-shadow: 0 0 #0000;
  --tw-ring-shadow: 0 0 #0000;
  --tw-shadow: 0 0 #0000;
  --tw-shadow-colored: 0 0 #0000;
  --tw-blur:  ;
  --tw-brightness:  ;
  --tw-contrast:  ;
  --tw-grayscale:  ;
  --tw-hue-rotate:  ;
  --tw-invert:  ;
  --tw-saturate:  ;
  --tw-sepia:  ;
  --tw-drop-shadow:  ;
  --tw-backdrop-blur:  ;
  --tw-backdrop-brightness:  ;
  --tw-backdrop-contrast:  ;
  --tw-backdrop-grayscale:  ;
  --tw-backdrop-hue-rotate:  ;
  --tw-backdrop-invert:  ;
  --tw-backdrop-opacity:  ;
  --tw-backdrop-saturate:  ;
  --tw-backdrop-sepia:  ;
  --tw-contain-size:  ;
  --tw-contain-layout:  ;
  --tw-contain-paint:  ;
  --tw-contain-style:  ;
}

::backdrop {
  --tw-border-spacing-x: 0;
  --tw-border-spacing-y: 0;
  --tw-translate-x: 0;
  --tw-translate-y: 0;
  --tw-rotate: 0;
  --tw-skew-x: 0;
  --tw-skew-y: 0;
  --tw-scale-x: 1;
  --tw-scale-y: 1;
  --tw-pan-x:  ;
  --tw-pan-y:  ;
  --tw-pinch-zoom:  ;
  --tw-scroll-snap-strictness: proximity;
  --tw-gradient-from-position:  ;
  --tw-gradient-via-position:  ;
  --tw-gradient-to-position:  ;
  --tw-ordinal:  ;
  --tw-slashed-zero:  ;
  --tw-numeric-figure:  ;
  --tw-numeric-spacing:  ;
  --tw-numeric-fraction:  ;
  --tw-ring-inset:  ;
  --tw-ring-offset-width: 0px;
  --tw-ring-offset-color: #fff;
  --tw-ring-color: rgb(59 130 246 / 0.5);
  --tw-ring-offset-shadow: 0 0 #0000;
  --tw-ring-shadow: 0 0 #0000;
  --tw-shadow: 0 0 #0000;
  --tw-shadow-colored: 0 0 #0000;
  --tw-blur:  ;
  --tw-brightness:  ;
  --tw-contrast:  ;
  --tw-grayscale:  ;
  --tw-hue-rotate:  ;
  --tw-invert:  ;
  --tw-saturate:  ;
  --tw-sepia:  ;
  --tw-drop-shadow:  ;
  --tw-backdrop-blur:  ;
  --tw-backdrop-brightness:  ;
  --tw-backdrop-contrast:  ;
  --tw-backdrop-grayscale:  ;
  --tw-backdrop-hue-rotate:  ;
  --tw-backdrop-invert:  ;
  --tw-backdrop-opacity:  ;
  --tw-backdrop-saturate:  ;
  --tw-backdrop-sepia:  ;
  --tw-contain-size:  ;
  --tw-contain-layout:  ;
  --tw-contain-paint:  ;
  --tw-contain-style:  ;
}/*
! tailwindcss v3.4.19 | MIT License | https://tailwindcss.com
*//*
1. Prevent padding and border from affecting element width. (https://github.com/mozdevs/cssremedy/issues/4)
2. Allow adding a border to an element by just adding a border-width. (https://github.com/tailwindcss/tailwindcss/pull/116)
*/

*,
::before,
::after {
  box-sizing: border-box; /* 1 */
  border-width: 0; /* 2 */
  border-style: solid; /* 2 */
  border-color: #e5e7eb; /* 2 */
}

::before,
::after {
  --tw-content: '';
}

/*
1. Use a consistent sensible line-height in all browsers.
2. Prevent adjustments of font size after orientation changes in iOS.
3. Use a more readable tab size.
4. Use the user's configured `sans` font-family by default.
5. Use the user's configured `sans` font-feature-settings by default.
6. Use the user's configured `sans` font-variation-settings by default.
7. Disable tap highlights on iOS
*/

html,
:host {
  line-height: 1.5; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
  -moz-tab-size: 4; /* 3 */
  -o-tab-size: 4;
     tab-size: 4; /* 3 */
  font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; /* 4 */
  font-feature-settings: normal; /* 5 */
  font-variation-settings: normal; /* 6 */
  -webkit-tap-highlight-color: transparent; /* 7 */
}

/*
1. Remove the margin in all browsers.
2. Inherit line-height from `html` so users can set them as a class directly on the `html` element.
*/

body {
  margin: 0; /* 1 */
  line-height: inherit; /* 2 */
}

/*
1. Add the correct height in Firefox.
2. Correct the inheritance of border color in Firefox. (https://bugzilla.mozilla.org/show_bug.cgi?id=190655)
3. Ensure horizontal rules are visible by default.
*/

hr {
  height: 0; /* 1 */
  color: inherit; /* 2 */
  border-top-width: 1px; /* 3 */
}

/*
Add the correct text decoration in Chrome, Edge, and Safari.
*/

abbr:where([title]) {
  -webkit-text-decoration: underline dotted;
          text-decoration: underline dotted;
}

/*
Remove the default font size and weight for headings.
*/

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: inherit;
  font-weight: inherit;
}

/*
Reset links to optimize for opt-in styling instead of opt-out.
*/

a {
  color: inherit;
  text-decoration: inherit;
}

/*
Add the correct font weight in Edge and Safari.
*/

b,
strong {
  font-weight: bolder;
}

/*
1. Use the user's configured `mono` font-family by default.
2. Use the user's configured `mono` font-feature-settings by default.
3. Use the user's configured `mono` font-variation-settings by default.
4. Correct the odd `em` font sizing in all browsers.
*/

code,
kbd,
samp,
pre {
  font-family: "Space Mono", sans-serif; /* 1 */
  font-feature-settings: normal; /* 2 */
  font-variation-settings: normal; /* 3 */
  font-size: 1em; /* 4 */
}

/*
Add the correct font size in all browsers.
*/

small {
  font-size: 80%;
}

/*
Prevent `sub` and `sup` elements from affecting the line height in all browsers.
*/

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

/*
1. Remove text indentation from table contents in Chrome and Safari. (https://bugs.chromium.org/p/chromium/issues/detail?id=999088, https://bugs.webkit.org/show_bug.cgi?id=201297)
2. Correct table border color inheritance in all Chrome and Safari. (https://bugs.chromium.org/p/chromium/issues/detail?id=935729, https://bugs.webkit.org/show_bug.cgi?id=195016)
3. Remove gaps between table borders by default.
*/

table {
  text-indent: 0; /* 1 */
  border-color: inherit; /* 2 */
  border-collapse: collapse; /* 3 */
}

/*
1. Change the font styles in all browsers.
2. Remove the margin in Firefox and Safari.
3. Remove default padding in all browsers.
*/

button,
input,
optgroup,
select,
textarea {
  font-family: inherit; /* 1 */
  font-feature-settings: inherit; /* 1 */
  font-variation-settings: inherit; /* 1 */
  font-size: 100%; /* 1 */
  font-weight: inherit; /* 1 */
  line-height: inherit; /* 1 */
  letter-spacing: inherit; /* 1 */
  color: inherit; /* 1 */
  margin: 0; /* 2 */
  padding: 0; /* 3 */
}

/*
Remove the inheritance of text transform in Edge and Firefox.
*/

button,
select {
  text-transform: none;
}

/*
1. Correct the inability to style clickable types in iOS and Safari.
2. Remove default button styles.
*/

button,
input:where([type='button']),
input:where([type='reset']),
input:where([type='submit']) {
  -webkit-appearance: button; /* 1 */
  background-color: transparent; /* 2 */
  background-image: none; /* 2 */
}

/*
Use the modern Firefox focus style for all focusable elements.
*/

:-moz-focusring {
  outline: auto;
}

/*
Remove the additional `:invalid` styles in Firefox. (https://github.com/mozilla/gecko-dev/blob/2f9eacd9d3d995c937b4251a5557d95d494c9be1/layout/style/res/forms.css#L728-L737)
*/

:-moz-ui-invalid {
  box-shadow: none;
}

/*
Add the correct vertical alignment in Chrome and Firefox.
*/

progress {
  vertical-align: baseline;
}

/*
Correct the cursor style of increment and decrement buttons in Safari.
*/

::-webkit-inner-spin-button,
::-webkit-outer-spin-button {
  height: auto;
}

/*
1. Correct the odd appearance in Chrome and Safari.
2. Correct the outline style in Safari.
*/

[type='search'] {
  -webkit-appearance: textfield; /* 1 */
  outline-offset: -2px; /* 2 */
}

/*
Remove the inner padding in Chrome and Safari on macOS.
*/

::-webkit-search-decoration {
  -webkit-appearance: none;
}

/*
1. Correct the inability to style clickable types in iOS and Safari.
2. Change font properties to `inherit` in Safari.
*/

::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
}

/*
Add the correct display in Chrome and Safari.
*/

summary {
  display: list-item;
}

/*
Removes the default spacing and border for appropriate elements.
*/

blockquote,
dl,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
figure,
p,
pre {
  margin: 0;
}

fieldset {
  margin: 0;
  padding: 0;
}

legend {
  padding: 0;
}

ol,
ul,
menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

/*
Reset default styling for dialogs.
*/
dialog {
  padding: 0;
}

/*
Prevent resizing textareas horizontally by default.
*/

textarea {
  resize: vertical;
}

/*
1. Reset the default placeholder opacity in Firefox. (https://github.com/tailwindlabs/tailwindcss/issues/3300)
2. Set the default placeholder color to the user's configured gray 400 color.
*/

input::-moz-placeholder, textarea::-moz-placeholder {
  opacity: 1; /* 1 */
  color: #9ca3af; /* 2 */
}

input::placeholder,
textarea::placeholder {
  opacity: 1; /* 1 */
  color: #9ca3af; /* 2 */
}

/*
Set the default cursor for buttons.
*/

button,
[role="button"] {
  cursor: pointer;
}

/*
Make sure disabled buttons don't get the pointer cursor.
*/
:disabled {
  cursor: default;
}

/*
1. Make replaced elements `display: block` by default. (https://github.com/mozdevs/cssremedy/issues/14)
2. Add `vertical-align: middle` to align replaced elements more sensibly by default. (https://github.com/jensimmons/cssremedy/issues/14#issuecomment-634934210)
   This can trigger a poorly considered lint error in some tools but is included by design.
*/

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  display: block; /* 1 */
  vertical-align: middle; /* 2 */
}

/*
Constrain images and videos to the parent width and preserve their intrinsic aspect ratio. (https://github.com/mozdevs/cssremedy/issues/14)
*/

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

/* Make elements with the HTML hidden attribute stay hidden by default */
[hidden]:where(:not([hidden="until-found"])) {
  display: none;
}
  * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
  }

  html, body, #root {
      width: 100%;
      height: 100%;
      overflow: hidden;
  }

  body {
      display: flex;
      align-items: center;
      justify-content: center;
      transition: color 0.5s ease;
  }

  .minimal {
      background: #000;
      color: rgba(255, 255, 255, 1);
  }

  .minimal .quote-text,
  .minimal .countdown-label,
  .minimal .countdown-timer,
  .minimal .countdown-timer .countdown-tag,
  .minimal .morph-item,
  .minimal .decibel-value,
  .minimal .decibel-unit,
  .minimal .stat-label,
  .minimal .decibel-stats,
  .minimal .clock {
      color: #fff !important;
      text-shadow: none !important;
  }

  .minimal .countdown-label,
  .minimal .countdown-timer,
  .minimal .countdown-timer .countdown-tag,
  .minimal .decibel-value,
  .minimal .decibel-unit,
  .minimal .stat-label,
  .minimal .decibel-stats,
  .minimal .clock {
      opacity: 1 !important;
  }

  .minimal .decibel-main {
      text-shadow: none !important;
  }

  .default {
      color: #fff;
  }
.main-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      z-index: 1;
      gap: 2vh;
  }
/* ========== 励志语区域 ========== */
.quote-container {
      position: relative;
      width: 90vw;
      max-width: 800px;
      text-align: center;
      min-height: 3.6em;
      display: flex;
      align-items: center;
      justify-content: center;
  }
.quote-text {
      position: absolute;
      width: 100%;
      left: 50%;
      top: 50%;
      font-family: 'Space Mono', sans-serif;
      font-size: clamp(19.2px, 4.2vw, 38.4px);
      letter-spacing: 0.08em;
      line-height: 1.5;
      color: rgba(255, 255, 255, 0.75);
      opacity: 0;
      transition: opacity 1.2s ease, transform 1.2s ease;
      word-break: keep-all;
      transform: translate(-50%, calc(-50% + 10px));
  }
.quote-text.active {
      opacity: 1;
      transform: translate(-50%, -50%);
  }
.quote-text.fade-out {
      opacity: 0;
      transform: translate(-50%, calc(-50% - 10px));
  }
/* ========== 时钟区域 ========== */
.clock {
      font-family: 'Space Mono', sans-serif;
      font-size: 9.6vw;
      font-weight: 400;
      letter-spacing: 0.05em;
      line-height: 1;
      z-index: 1;
      -webkit-background-clip: text;
      background-clip: text;
      text-align: center;
      white-space: nowrap;
      display: flex;
      align-items: baseline;
      justify-content: center;
  }
.clock-row {
      display: block;
  }
.clock-colon {
      display: inline;
      padding: 0 0.05em;
  }
/* ========== 时钟+倒计时行 ========== */
.clock-row-wrapper {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 2vw;
  }
/* ========== 考试倒计时区域 ========== */
.countdown-container {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
      text-align: left;
  }
.countdown-label {
      font-family: 'Space Mono', sans-serif;
      font-size: clamp(12px, 1.2vw, 16.8px);
      letter-spacing: 0.15em;
      color: rgba(255, 255, 255, 0.5);
      margin-bottom: 0.2em;
  }
.countdown-timer {
      font-family: 'Space Mono', sans-serif;
      font-size: clamp(26.4px, 4.2vw, 50.4px);
      letter-spacing: 0.06em;
      color: rgba(255, 255, 255, 0.9);
      line-height: 1;
  }
.countdown-timer .countdown-unit {
      display: inline-block;
      min-width: 1.6em;
      text-align: center;
  }
.countdown-timer .countdown-tag {
      font-size: 0.5em;
      opacity: 0.5;
      vertical-align: baseline;
      margin-left: 0.1em;
  }
.bottom-controls {
      position: fixed;
      bottom: 24px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 14px;
      z-index: 100;
  }
.icon-btn {
      position: relative;
      background: transparent;
      border: none;
      outline: none;
      border-radius: 50%;
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: inherit;
      cursor: pointer;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
      transition: transform 0.6s cubic-bezier(0.34, 2.2, 0.4, 1);
  }
.icon-btn:active {
      transform: scale(0.8);
      transition: transform 0.15s cubic-bezier(0.2, 0, 0.2, 1);
  }
.icon-btn::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(12px) brightness(0.7);
      -webkit-backdrop-filter: blur(12px) brightness(0.7);
      border: 1px solid rgba(255, 255, 255, 0.1);
      transition: background 0.3s ease;
      z-index: -1;
  }
.icon-btn:hover::before {
      background: rgba(255, 255, 255, 0.15);
  }
.icon-btn svg {
      -webkit-user-select: none;
         -moz-user-select: none;
              user-select: none;
  }
.controls-row {
      display: flex;
      align-items: center;
      gap: 10px;
  }
.more-container {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
  }
.more-container #moreBtn {
      background: transparent;
      backdrop-filter: none;
      z-index: 2;
      transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
.more-container #moreBtn::before {
      display: none;
  }
.more-container #moreBtn:hover {
      background: transparent;
  }
.more-container:not(.open):hover .morph-panel {
      background: rgba(255, 255, 255, 0.15);
  }
.more-container:not(.open):active .morph-panel {
      transform: scale(0.8);
      transition: transform 0.15s cubic-bezier(0.2, 0, 0.2, 1);
  }
.morph-panel {
      position: absolute;
      bottom: 0;
      left: 0;
      width: 40px;
      height: 40px;
      min-height: 40px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(12px) brightness(0.7);
      -webkit-backdrop-filter: blur(12px) brightness(0.7);
      border: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
      padding: 8px;
      overflow: hidden;
      opacity: 1;
      pointer-events: none;
      z-index: 1;
      transition: background 0.3s ease;
  }
.more-container.open .morph-panel {
      width: 120px;
      height: 144px;
      border-radius: 24px;
      bottom: 0;
      left: 0;
      pointer-events: auto;
  }
.more-container.open.show-cities .morph-panel {
      width: 140px;
      height: 300px;
      justify-content: flex-start;
  }
.morph-content::-webkit-scrollbar {
      display: none;
  }
.morph-content {
      scrollbar-width: none;
      -ms-overflow-style: none;
  }
.more-container.open #moreBtn {
      opacity: 0;
      pointer-events: none;
      transform: translate(35px, -28px) rotate(90deg) scale(0);
  }
.morph-item {
      color: rgba(255, 255, 255, 0.5);
      font-family: 'Space Mono', sans-serif;
      font-size: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 44px; /* 强制高度为44px，确保完美胶囊圆角 */
      cursor: pointer;
      transition: opacity 0.2s ease, background 0.2s ease, color 0.2s ease, border-radius 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.4s cubic-bezier(0.34, 2.2, 0.4, 1);
      white-space: nowrap;
      width: 100%;
      border-radius: 50%;
      background: transparent;
      opacity: 0;
      pointer-events: none;
      flex-shrink: 0;
  }
.more-container.open .morph-item {
      opacity: 1;
      pointer-events: auto;
      border-radius: 9999px; /* Pill shape! */
      transition: opacity 0.3s ease 0.1s, background 0.2s ease, color 0.2s ease, border-radius 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.4s cubic-bezier(0.34, 2.2, 0.4, 1);
  }
.morph-item.active {
      color: #fff;
      background: rgba(255, 255, 255, 0.15);
  }
.morph-item:not(.active):hover {
      color: rgba(255, 255, 255, 0.8);
      background: rgba(255, 255, 255, 0.08);
  }
.morph-item:active {
      transform: scale(0.9);
      transition: transform 0.15s cubic-bezier(0.2, 0, 0.2, 1);
  }
/* ========== 分贝仪 UI ========== */
.decibel-container {
      gap: 4vh;
  }
.decibel-main {
      display: flex;
      align-items: baseline;
      justify-content: center;
      gap: 1vw;
      font-family: 'Space Mono', sans-serif;
      text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
  }
.decibel-value {
      font-size: clamp(80px, 15vw, 200px);
      font-weight: bold;
      line-height: 1;
  }
.decibel-unit {
      font-size: clamp(24px, 4vw, 50px);
      opacity: 0.8;
  }
.decibel-stats {
      display: flex;
      gap: 8vw;
      font-family: 'Space Mono', sans-serif;
      opacity: 0.7;
  }
.stat-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
  }
.stat-label {
      font-size: clamp(12px, 1.5vw, 16px);
      letter-spacing: 0.1em;
  }
.stat-value {
      font-size: clamp(20px, 3vw, 32px);
      font-weight: bold;
  }
.debug-panel {
      position: absolute;
      bottom: 100px;
      left: 50%;
      transform: translateX(-50%);
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(12px) brightness(0.7);
      -webkit-backdrop-filter: blur(12px) brightness(0.7);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 9999px;
      padding: 12px 24px;
      display: flex;
      align-items: center;
      gap: 16px;
      color: rgba(255, 255, 255, 0.8);
      font-family: 'Space Mono', sans-serif;
      font-size: 14px;
      z-index: 200;
  }
.debug-panel label {
      white-space: nowrap;
      -webkit-user-select: none;
         -moz-user-select: none;
              user-select: none;
  }
.debug-panel input[type="range"] {
      -webkit-appearance: none;
      width: 200px;
      background: transparent;
  }
.debug-panel input[type="range"]::-webkit-slider-runnable-track {
      width: 100%;
      height: 4px;
      cursor: pointer;
      background: rgba(255, 255, 255, 0.15);
      border-radius: 2px;
  }
.debug-panel input[type="range"]::-webkit-slider-thumb {
      height: 16px;
      width: 16px;
      border-radius: 50%;
      background: #fff;
      cursor: pointer;
      -webkit-appearance: none;
      margin-top: -6px;
      box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
  }
.debug-panel input[type="range"]:focus {
      outline: none;
  }
.debug-panel .time-display {
      color: inherit;
      font-family: 'Space Mono', sans-serif;
      font-size: 14px;
      text-align: center;
  }
/* 调试区域：垂直堆叠两个调试胶囊 */
.debug-area {
      position: absolute;
      bottom: 100px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
      z-index: 200;
  }
.debug-area .debug-panel {
      position: static;
      transform: none;
  }
/* 天气按钮组 */
.weather-btns {
      display: flex;
      gap: 4px;
  }
.weather-btn {
      width: 36px;
      height: 36px;
      border: none;
      outline: none;
      border-radius: 9999px;
      background: rgba(255, 255, 255, 0.08);
      cursor: pointer;
      font-size: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s ease, transform 0.6s cubic-bezier(0.34, 2.2, 0.4, 1);
      -webkit-tap-highlight-color: transparent;
  }
.weather-btn:active {
      transform: scale(0.85);
      transition: transform 0.15s cubic-bezier(0.2, 0, 0.2, 1);
  }
.weather-btn:hover {
      background: rgba(255, 255, 255, 0.18);
  }
.weather-btn.active {
      background: rgba(255, 255, 255, 0.25);
      box-shadow: 0 0 8px rgba(255, 255, 255, 0.2);
  }
/* 深色背景（极简模式）：纯黑背景下 backdrop-filter 无效，改用半透明实底 */
.minimal .icon-btn::before,
  .minimal .morph-panel,
  .minimal .debug-panel {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.18);
  }
.fixed {
  position: fixed;
}
.relative {
  position: relative;
}
.inset-0 {
  inset: 0px;
}
.-z-10 {
  z-index: -10;
}
.flex {
  display: flex;
}
.hidden {
  display: none;
}
.h-full {
  height: 100%;
}
.w-full {
  width: 100%;
}
.select-none {
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
}
.items-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.overflow-hidden {
  overflow: hidden;
}
.shadow {
  --tw-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --tw-shadow-colored: 0 1px 3px 0 var(--tw-shadow-color), 0 1px 2px -1px var(--tw-shadow-color);
  box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
}
.transition {
  transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}
@media screen and (max-width: 768px) {
      .main-container { gap: 3vh; }
      .quote-container { width: 90vw; }
      .quote-text { font-size: clamp(19.2px, 6vw, 33.6px); }
      .clock-row-wrapper { gap: 3vw; }
      .countdown-timer { font-size: clamp(21.6px, 6vw, 38.4px); }
      .clock {
          font-size: 26.4vw;
          letter-spacing: 0.05em;
          line-height: 1.1;
          flex-direction: column;
          align-items: center;
      }
      .clock-row { display: block; }
      .clock-colon { display: none; }
      .countdown-label { font-size: clamp(10.8px, 2.6vw, 14.4px); }
      .icon-btn { width: 44px; height: 44px; }
      .icon-btn svg { width: 24px; height: 24px; }
      .bottom-controls { bottom: 20px; gap: 12px; }
      .controls-row { gap: 8px; }
      .morph-panel { width: 44px; height: 44px; }
      .more-container.open .morph-panel {
          width: 120px; height: 144px; border-radius: 24px; bottom: 0; left: 0;
      }
      .more-container.open.show-cities .morph-panel {
          width: 150px; height: 320px;
      }
      .more-container.open #moreBtn {
          transform: translate(38px, -30px) rotate(90deg) scale(0);
      }
      .morph-item { font-size: 14px; padding: 12px 0; }
      .more-container.open .morph-item { border-radius: 9999px; }
      .decibel-stats { gap: 12vw; }
      .debug-panel { padding: 10px 16px; }
      .debug-panel label { font-size: 12px; }
      .debug-panel input[type="range"] { width: 150px; }
  }
@media screen and (max-width: 414px) {
      .clock { font-size: 31.2vw; }
  }
@media screen and (max-width: 375px) {
      .clock { font-size: 33.6vw; }
  }
@media screen and (max-width: 320px) {
      .clock { font-size: 36vw; }
  }