*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #fff;
  background: #010406;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  background: #010406;
}

body {
  min-width: 280px;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.mobile-douyin-shell {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: #010406;
  isolation: isolate;
  touch-action: none;
}

.mobile-douyin-shell.is-video-switching .mobile-douyin-media__video,
.mobile-douyin-shell.is-video-switching .mobile-douyin-copy,
.mobile-douyin-shell.is-video-switching .mobile-douyin-actions {
  animation: mobile-douyin-feed-enter .2s ease-out both;
}

.mobile-douyin-shell.is-feed-loading .mobile-douyin-copy,
.mobile-douyin-shell.is-feed-loading .mobile-douyin-actions,
.mobile-douyin-shell.is-feed-loading .mobile-douyin-progress {
  visibility: hidden;
  pointer-events: none;
}

@keyframes mobile-douyin-feed-enter {
  from {
    opacity: .72;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes mobile-douyin-feed-spin {
  to {
    transform: rotate(360deg);
  }
}

.mobile-douyin-page .mobile-tabbar {
  border-top: 0;
  z-index: 40;
  pointer-events: auto;
}

.mobile-douyin-media,
.mobile-douyin-media__shade {
  position: absolute;
  inset: 0;
}

.mobile-douyin-media {
  z-index: 0;
  bottom: var(--mobile-tabbar-height, 60px);
  overflow: hidden;
}

.mobile-douyin-media__video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #010406;
  object-fit: cover;
  object-position: center;
}

.mobile-douyin-player-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 3;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 10px;
  color: rgba(255, 255, 255, .82);
  font-size: 13px;
  line-height: 18px;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.mobile-douyin-player-loading[hidden] {
  display: none;
}

.mobile-douyin-player-loading__spinner {
  width: 34px;
  height: 34px;
  border: 3px solid rgba(255, 255, 255, .22);
  border-top-color: #fff;
  border-radius: 50%;
  animation: mobile-douyin-feed-spin .7s linear infinite;
}

.mobile-douyin-media__shade {
  pointer-events: none;
}

.mobile-douyin-media__shade--top {
  height: min(36.95%, 300px);
  background: linear-gradient(180deg, #000, transparent);
}

.mobile-douyin-media__shade--bottom {
  top: auto;
  bottom: 0;
  height: min(calc(53.7% + 80px), 516px);
  background: linear-gradient(
    180deg,
    transparent 0,
    rgba(0, 0, 0, .78) calc(100% - 80px),
    rgba(0, 0, 0, .78) 100%
  );
}

.mobile-douyin-player-toggle {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  display: grid;
  width: 58px;
  height: 58px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  box-shadow: none;
  cursor: pointer;
  opacity: 1;
  transform: translate(-50%, -50%);
  transition: opacity .18s ease, transform .18s ease;
}

.mobile-douyin-player-toggle img {
  display: block;
  width: 24px;
  height: 24px;
  margin-left: 3px;
  filter: brightness(0) invert(1);
}

.mobile-douyin-player-toggle.is-playing {
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%) scale(.9);
}

.mobile-douyin-shell.is-player-loading .mobile-douyin-player-toggle {
  visibility: hidden;
  pointer-events: none;
  opacity: 0;
}

.mobile-douyin-player-toggle.is-unavailable {
  display: none;
}

.mobile-douyin-player-error {
  position: absolute;
  top: calc(50% + 50px);
  left: 50%;
  z-index: 2;
  margin: 0;
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
  transform: translate(-50%, -50%);
}

.mobile-douyin-copy {
  position: absolute;
  right: 68px;
  bottom: 139px;
  left: 16px;
  z-index: 2;
}

.mobile-douyin-copy h1 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  line-height: 24px;
}

.mobile-douyin-copy__description {
  display: -webkit-box;
  max-width: 291px;
  max-height: 40px;
  margin: 0 0 12px;
  overflow: hidden;
  color: rgba(255, 255, 255, .55);
  font-size: 14px;
  font-weight: 400;
  line-height: 20px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.mobile-douyin-copy__description.is-expanded {
  display: block;
  max-height: none;
  overflow: visible;
  -webkit-line-clamp: unset;
}

.mobile-douyin-copy__description.is-measuring {
  display: block;
  max-height: none;
  overflow: visible;
  -webkit-line-clamp: unset;
}

.mobile-douyin-copy__description button {
  padding: 0;
  border: 0;
  color: rgba(255, 255, 255, .78);
  background: transparent;
  font-weight: 600;
  line-height: inherit;
  cursor: pointer;
}

.mobile-douyin-copy__tags {
  display: flex;
  width: 100%;
  max-width: 291px;
  gap: 6px;
  overflow: hidden;
}

.mobile-douyin-copy__tag {
  display: flex;
  min-height: 26px;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  border-radius: 3px;
  background: rgba(255, 255, 255, .08);
  color: #fff;
  font-size: 12px;
  line-height: 18px;
}

.mobile-douyin-actions {
  position: absolute;
  right: 11px;
  bottom: 294px;
  z-index: 2;
  display: flex;
  width: 40px;
  flex-direction: column;
  gap: 10px;
}

.mobile-douyin-action {
  display: flex;
  width: 40px;
  padding: 0;
  flex-direction: column;
  align-items: center;
  border: 0;
  color: #dcdcdc;
  background: transparent;
  cursor: pointer;
}

.mobile-douyin-action img {
  display: block;
  width: 30px;
  height: 30px;
  transition: transform .18s ease, filter .18s ease;
}

.mobile-douyin-action span {
  font-size: 12px;
  font-weight: 500;
  line-height: 18px;
  text-align: center;
}

.mobile-douyin-action[aria-pressed="true"]:not([data-mobile-like-motion]):not([data-mobile-douyin-favorite]) img {
  filter: sepia(1) saturate(4) hue-rotate(342deg) brightness(1.12);
  transform: scale(1.1);
}

@media (prefers-reduced-motion: reduce) {
  .mobile-douyin-action img {
    transition: none;
  }

  .mobile-douyin-player-loading__spinner {
    animation: none;
  }
}

.mobile-douyin-progress {
  position: absolute;
  right: 16px;
  bottom: calc(var(--mobile-tabbar-height, 60px) + 20px);
  left: 16px;
  z-index: 31;
  display: flex;
  height: 18px;
  align-items: center;
  justify-content: space-between;
  color: #fff;
}

.mobile-douyin-progress span {
  flex: none;
  font-size: 12px;
  font-weight: 400;
  line-height: 18px;
  white-space: nowrap;
}

.mobile-douyin-progress span:last-child {
  text-align: right;
}

.mobile-douyin-progress input {
  --progress: 0%;
  min-width: 0;
  width: 245px;
  height: 18px;
  margin: 0;
  padding: 0;
  flex: 0 1 245px;
  appearance: none;
  background: transparent;
  cursor: pointer;
  touch-action: pan-x;
}

.mobile-douyin-feed-status {
  position: absolute;
  top: calc(50% + 2px);
  left: 50%;
  z-index: 4;
  width: min(80%, 300px);
  margin: 0;
  color: rgba(255, 255, 255, .82);
  font-size: 13px;
  line-height: 20px;
  text-align: center;
  text-shadow: 0 1px 4px rgba(0, 0, 0, .65);
  transform: translateX(-50%);
  pointer-events: none;
}

.mobile-douyin-progress input::-webkit-slider-runnable-track {
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(to right, #fff 0 var(--progress), rgba(255, 255, 255, .25) var(--progress) 100%);
}

.mobile-douyin-progress input::-webkit-slider-thumb {
  width: 12px;
  height: 12px;
  margin-top: -4px;
  appearance: none;
  border: 0;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .3);
}

.mobile-douyin-progress input::-moz-range-track {
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .25);
}

.mobile-douyin-progress input::-moz-range-progress {
  height: 4px;
  border-radius: 999px;
  background: #fff;
}

.mobile-douyin-progress input::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 0;
  border-radius: 50%;
  background: #fff;
}

.mobile-douyin-progress input:focus-visible {
  outline: 2px solid #e9b54b;
  outline-offset: 3px;
}

.mobile-douyin-progress input {
  display: block;
}

@media (min-width: 769px) {
  html,
  body { background: radial-gradient(circle at 50% 20%, #2b183a, #010406 58%); }

  .mobile-douyin-shell {
    width: min(100%, 720px);
    margin: 0 auto;
    border-right: 1px solid rgba(255, 255, 255, .08);
    border-left: 1px solid rgba(255, 255, 255, .08);
    box-shadow: 0 0 80px rgba(0, 0, 0, .6);
  }

  .mobile-douyin-media__video { object-fit: contain; }
  .mobile-douyin-copy { right: 96px; left: 28px; }
  .mobile-douyin-actions { right: 28px; }
  .mobile-douyin-progress { right: 28px; left: 28px; }
  .mobile-douyin-progress input { width: auto; flex-basis: auto; flex-grow: 1; margin: 0 14px; }
  .mobile-douyin-page .mobile-tabbar { right: 50%; left: auto; width: min(100%, 720px); transform: translateX(50%); }
}

@media (max-height: 700px) {
  .mobile-douyin-copy {
    bottom: 128px;
  }

  .mobile-douyin-actions {
    bottom: 248px;
  }
}

@media (max-width: 350px) {
  .mobile-douyin-copy {
    right: 60px;
    left: 12px;
  }

  .mobile-douyin-actions {
    right: 12px;
  }

  .mobile-douyin-progress {
    right: 12px;
    left: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mobile-douyin-action img,
  .mobile-douyin-player-toggle {
    transition: none;
  }

  .mobile-douyin-shell.is-video-switching .mobile-douyin-media__video,
  .mobile-douyin-shell.is-video-switching .mobile-douyin-copy,
  .mobile-douyin-shell.is-video-switching .mobile-douyin-actions {
    animation: none;
  }
}