#main.card {
  box-sizing: border-box;
  width: min(1080px, calc(100% - 40px));
  margin-right: auto;
  margin-left: auto;
  padding: 4.7rem clamp(1rem, 3vw, 2.4rem) 2.2rem;
}

.main-card__corner {
  position: absolute;
  z-index: 2;
  top: 18px;
  display: inline-flex;
  align-items: center;
  min-height: 31px;
  box-sizing: border-box;
  color: var(--alive-muted, rgba(40, 37, 50, .62));
  border: 1px solid var(--alive-border-soft, rgba(61, 55, 75, .12));
  border-radius: 999px;
  background: var(--alive-surface, rgba(255, 255, 255, .48));
  font: 600 .7rem/1 "Segoe UI Variable", "Microsoft YaHei", sans-serif;
}

.main-card__corner--visits {
  left: 18px;
}

.main-card__corner--online {
  right: 18px;
  gap: 6px;
  padding: 0 10px;
}

.main-card__corner .visit-metric {
  min-height: 29px;
  gap: 6px;
  margin: 0;
  padding: 0 10px;
  border: 0;
  background: transparent;
  font-size: inherit;
}

.main-card__corner strong {
  color: var(--alive-ink, #282532);
  font-variant-numeric: tabular-nums;
}

.main-card__online-dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: #2ed596;
  box-shadow: 0 0 10px rgba(46, 213, 150, .72);
}

.device-overview {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid rgba(127, 127, 127, .18);
  text-align: left;
}

.device-overview__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 15px;
}

.device-overview__eyebrow {
  display: block;
  margin-bottom: 3px;
  color: color-mix(in srgb, var(--alive-accent, #765cff) 72%, var(--alive-muted, #555));
  font: 700 .66rem/1.2 "Segoe UI Variable", "Microsoft YaHei", sans-serif;
  letter-spacing: .18em;
}

.device-overview h2 {
  margin: 0;
  font: 680 clamp(1.12rem, 2vw, 1.4rem)/1.2 "Segoe UI Variable", "Microsoft YaHei", sans-serif;
}

.device-overview__count {
  flex: none;
  padding: 6px 10px;
  border: 1px solid var(--alive-border-soft, rgba(61, 55, 75, .12));
  border-radius: 999px;
  background: var(--alive-surface, rgba(255, 255, 255, .48));
  color: var(--alive-muted, rgba(40, 37, 50, .62));
  font: 600 .72rem/1 "Segoe UI Variable", "Microsoft YaHei", sans-serif;
}

.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 245px), 1fr));
  gap: 14px;
}

.device-grid__empty {
  grid-column: 1 / -1;
  padding: 28px 18px;
  border: 1px dashed var(--alive-border-soft, rgba(61, 55, 75, .18));
  border-radius: 20px;
  color: var(--alive-muted, rgba(40, 37, 50, .62));
  text-align: center;
}

.device-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 180px;
  padding: 16px;
  overflow: hidden;
  border: 1px solid var(--alive-border, rgba(255, 255, 255, .7));
  border-radius: 22px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, .12), transparent),
    var(--alive-surface-soft, rgba(255, 255, 255, .3));
  box-shadow: 0 13px 34px rgba(24, 20, 35, .12), inset 0 1px 0 rgba(255, 255, 255, .12);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  transition: transform 220ms cubic-bezier(.22, 1, .36, 1), box-shadow 220ms ease, border-color 220ms ease;
  animation: device-card-in 460ms cubic-bezier(.22, 1, .36, 1) both;
  animation-delay: calc(var(--device-index, 0) * 55ms);
}

.device-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, .72);
  box-shadow: 0 20px 46px rgba(24, 20, 35, .18), inset 0 1px 0 rgba(255, 255, 255, .62);
}

.device-card--offline {
  opacity: .8;
}

.device-card__top,
.device-card__identity,
.device-card__state,
.device-card__app,
.device-card__bottom,
.device-card__meta,
.device-card__footer {
  position: relative;
  z-index: 1;
}

.device-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.device-card__identity {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 10px;
}

.device-card__icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  flex: none;
  border: 1px solid var(--alive-border-soft, rgba(61, 55, 75, .12));
  border-radius: 13px;
  background: var(--alive-surface, rgba(255, 255, 255, .48));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12);
  font-size: 1.15rem;
}

.device-card__name {
  min-width: 0;
}

.device-card__name strong,
.device-card__name span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.device-card__name strong {
  color: var(--alive-ink, rgba(26, 24, 33, .94));
  font: 680 .93rem/1.3 "Segoe UI Variable", "Microsoft YaHei", sans-serif;
}

.device-card__name span {
  margin-top: 2px;
  color: var(--alive-faint, rgba(40, 37, 50, .42));
  font: 500 .66rem/1.2 "Segoe UI Variable", sans-serif;
}

.device-card__state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--alive-surface, rgba(255, 255, 255, .48));
  color: var(--alive-muted, rgba(40, 37, 50, .62));
  font: 650 .65rem/1 "Segoe UI Variable", "Microsoft YaHei", sans-serif;
}

.device-card__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #90939e;
  box-shadow: 0 0 0 3px rgba(144, 147, 158, .13);
}

.device-card--active .device-card__dot {
  background: #2ed596;
  box-shadow: 0 0 10px rgba(46, 213, 150, .72);
}

.device-card--idle .device-card__dot {
  background: #ffbd59;
  box-shadow: 0 0 10px rgba(255, 189, 89, .62);
}

.device-card__app {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  margin: 18px 0 13px;
  padding: 11px 12px;
  border: 1px solid var(--alive-border-soft, rgba(61, 55, 75, .12));
  border-radius: 15px;
  background: var(--alive-surface, rgba(255, 255, 255, .48));
}

.device-card__app-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex: none;
  border-radius: 9px;
  background: linear-gradient(145deg, rgba(118, 94, 255, .9), rgba(73, 186, 225, .9));
  color: white;
  font: 700 .82rem/1 "Segoe UI Variable", sans-serif;
  box-shadow: 0 6px 15px rgba(86, 91, 205, .24);
}

.device-card__app-icon img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: inherit;
}

.device-card__app-copy {
  min-width: 0;
}

.device-card__app-copy small,
.device-card__app-copy span {
  display: block;
}

.device-card__app-copy small {
  margin-bottom: 2px;
  color: var(--alive-faint, rgba(40, 37, 50, .42));
  font: 600 .61rem/1.2 "Segoe UI Variable", "Microsoft YaHei", sans-serif;
  letter-spacing: .08em;
}

.device-card__app-copy span {
  overflow: hidden;
  color: var(--alive-ink, rgba(30, 27, 37, .82));
  font: 570 .79rem/1.35 "Segoe UI Variable", "Microsoft YaHei", sans-serif;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.device-card__meta {
  display: flex;
  flex-wrap: wrap;
  flex: 1 1 auto;
  gap: 6px;
}

.device-card__chip {
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--alive-surface, rgba(255, 255, 255, .48));
  color: var(--alive-muted, rgba(40, 37, 50, .62));
  font: 550 .62rem/1 "Segoe UI Variable", "Microsoft YaHei", sans-serif;
}

.device-card__bottom {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 12px;
}

.device-card__footer {
  flex: none;
  margin-left: auto;
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--alive-surface, rgba(255, 255, 255, .48));
  color: var(--alive-faint, rgba(40, 37, 50, .42));
  font: 550 .61rem/1 "Segoe UI Variable", "Microsoft YaHei", sans-serif;
  white-space: nowrap;
}

.health-overview {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid rgba(127, 127, 127, .18);
  text-align: left;
}

.health-overview__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 15px;
}

.health-overview__header h2 {
  margin: 0;
  font: 680 clamp(1.12rem, 2vw, 1.4rem)/1.2 "Segoe UI Variable", "Microsoft YaHei", sans-serif;
}

.health-overview__badge {
  flex: none;
  padding: 6px 10px;
  color: var(--alive-muted, rgba(40, 37, 50, .62));
  border: 1px solid var(--alive-border-soft, rgba(61, 55, 75, .12));
  border-radius: 999px;
  background: var(--alive-surface, rgba(255, 255, 255, .48));
  font: 600 .68rem/1 "Segoe UI Variable", "Microsoft YaHei", sans-serif;
}

.health-overview__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.health-card {
  min-height: 188px;
}

.health-card:nth-child(2) {
  --device-index: 1;
}

.device-card__icon--heart {
  color: #fff;
  background: linear-gradient(145deg, #ff7285, #e3365b);
  box-shadow: 0 7px 18px rgba(220, 52, 86, .26);
  font-size: 1rem;
}

.device-card__icon--steps {
  color: #fff;
  background: linear-gradient(145deg, #63d8a6, #22a676);
  box-shadow: 0 7px 18px rgba(34, 166, 118, .24);
  font: 760 .82rem/1 "Segoe UI Variable", "Microsoft YaHei", sans-serif;
}

.heart-card__reading {
  position: relative;
  z-index: 1;
  min-height: 72px;
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr);
  align-items: center;
  gap: 18px;
  margin: 17px 0 12px;
  padding: 11px 13px;
  border: 1px solid var(--alive-border-soft, rgba(61, 55, 75, .12));
  border-radius: 16px;
  background: var(--alive-surface, rgba(255, 255, 255, .48));
}

.heart-card__reading > div:first-child {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.heart-card__reading strong {
  color: #e34862;
  font: 780 2rem/1 "Segoe UI Variable", sans-serif;
  font-variant-numeric: tabular-nums;
}

.heart-card__reading span {
  color: var(--alive-faint, rgba(40, 37, 50, .42));
  font: 700 .62rem/1 "Segoe UI Variable", sans-serif;
  letter-spacing: .08em;
}

.heart-card__pulse {
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  overflow: hidden;
}

.heart-card__pulse i {
  width: 3px;
  height: 8px;
  flex: none;
  border-radius: 999px;
  background: linear-gradient(180deg, #ff7285, #e3365b);
  box-shadow: 0 0 8px rgba(227, 54, 91, .32);
}

.heart-card__pulse i:nth-child(2),
.heart-card__pulse i:nth-child(7) { height: 15px; }
.heart-card__pulse i:nth-child(3),
.heart-card__pulse i:nth-child(6) { height: 25px; }
.heart-card__pulse i:nth-child(4) { height: 33px; }
.heart-card__pulse i:nth-child(5) { height: 18px; }

.steps-card__reading {
  position: relative;
  z-index: 1;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 17px 0 12px;
  padding: 11px 13px;
  border: 1px solid var(--alive-border-soft, rgba(61, 55, 75, .12));
  border-radius: 16px;
  background: var(--alive-surface, rgba(255, 255, 255, .48));
}

.steps-card__number strong,
.steps-card__number span {
  display: block;
}

.steps-card__number strong {
  color: #22a676;
  font: 780 1.78rem/1 "Segoe UI Variable", sans-serif;
  font-variant-numeric: tabular-nums;
}

.steps-card__number span {
  margin-top: 5px;
  color: var(--alive-faint, rgba(40, 37, 50, .42));
  font: 700 .61rem/1 "Segoe UI Variable", sans-serif;
  letter-spacing: .12em;
}

.steps-card__ring {
  --step-progress: 0%;
  position: relative;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  flex: none;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--alive-surface-solid, #fff) 57%, transparent 59%),
    conic-gradient(#2fc18b var(--step-progress), rgba(127, 127, 127, .16) 0);
  box-shadow: inset 0 0 0 1px var(--alive-border-soft, rgba(61, 55, 75, .08));
}

.steps-card__ring span {
  color: var(--alive-ink, rgba(26, 24, 33, .94));
  font: 720 .68rem/1 "Segoe UI Variable", sans-serif;
  font-variant-numeric: tabular-nums;
}

@keyframes device-card-in {
  from { opacity: 0; transform: translateY(12px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 720px) {
  #main.card {
    width: min(1080px, calc(100% - 28px));
  }

  .health-overview__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 500px) {
  #main.card {
    width: min(1080px, calc(100% - 28px));
    padding-top: 4.4rem;
  }

  .main-card__corner {
    top: 14px;
  }

  .main-card__corner--visits {
    left: 12px;
  }

  .main-card__corner--online {
    right: 12px;
  }

  .device-overview__header {
    align-items: center;
  }

  .health-overview__header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .device-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .device-card,
  .heart-card__pulse i {
    animation: none;
    transition: none;
  }
}