/*
 * Third-party QC serum panels · six-well laboratory array
 * A restrained clinical-instrument system: one verification seal, one glass
 * sample tray and six product-specific specimen wells.
 */

.serum-apple .serum-overview-web {
  --serum-blue: #3479c8;
  --serum-blue-deep: #173d6d;
  --serum-ink: #132c4d;
  --serum-copy: #667b93;
  padding: clamp(88px, 8vw, 124px) 0;
}

.serum-apple .serum-overview-web::before {
  background:
    radial-gradient(760px 620px at 4% 52%, rgba(181, 222, 249, .58), transparent 72%),
    radial-gradient(660px 520px at 96% 12%, rgba(202, 226, 249, .72), transparent 69%),
    linear-gradient(145deg, #f5faff 0%, #eaf4fb 54%, #e0eef8 100%);
}

.serum-apple .serum-web {
  position: relative;
  display: grid;
  grid-template-columns: minmax(292px, .78fr) minmax(600px, 1.42fr);
  gap: 32px 48px;
  padding: clamp(34px, 3.7vw, 54px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .93);
  border-radius: 40px;
  background:
    radial-gradient(circle at 82% 16%, rgba(114, 168, 225, .1), transparent 30%),
    radial-gradient(circle at 9% 86%, rgba(108, 202, 181, .055), transparent 28%),
    linear-gradient(138deg, rgba(255, 255, 255, .82), rgba(246, 251, 255, .6));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -1px 0 rgba(99, 135, 171, .055),
    0 48px 110px -65px rgba(28, 77, 126, .48),
    0 18px 50px -38px rgba(32, 82, 132, .26);
  -webkit-backdrop-filter: blur(28px) saturate(120%);
  backdrop-filter: blur(28px) saturate(120%);
  isolation: isolate;
}

.serum-apple .serum-web::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 13px;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: 29px;
  pointer-events: none;
}

.serum-apple .serum-web::after {
  content: "";
  position: absolute;
  z-index: 0;
  right: -11%;
  bottom: -22%;
  width: 58%;
  aspect-ratio: 1.4;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(78, 143, 211, .09), transparent 66%);
  filter: blur(20px);
  pointer-events: none;
}

.serum-apple .serum-web > * {
  position: relative;
  z-index: 1;
}

.serum-apple .serum-web-intro {
  display: flex;
  min-height: 558px;
  flex-direction: column;
  align-items: flex-start;
  padding: 24px 0 8px 6px;
}

.serum-apple .serum-web-intro .iso-eyebrow {
  color: #3973b4;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .17em;
}

.serum-apple .serum-web-intro h2 {
  max-width: 410px;
  margin: 15px 0 17px;
  color: var(--serum-ink);
  font-size: clamp(35px, 3.55vw, 52px);
  font-weight: 650;
  line-height: 1.15;
  letter-spacing: -.068em;
  text-wrap: balance;
}

.serum-apple .serum-web-intro h2 span {
  color: var(--serum-blue);
}

.serum-apple .serum-web-intro > p {
  max-width: 340px;
  margin: 0;
  color: var(--serum-copy);
  font-size: 15px;
  line-height: 1.75;
}

.serum-web-proof {
  display: flex;
  width: min(100%, 340px);
  align-items: center;
  gap: 20px;
  margin-top: auto;
  padding-top: 34px;
}

.serum-proof-mark {
  position: relative;
  display: grid;
  width: 124px;
  height: 124px;
  flex: 0 0 124px;
  place-content: center;
  border: 1px solid rgba(75, 131, 193, .15);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 28%, rgba(255, 255, 255, .96), transparent 24%),
    linear-gradient(145deg, rgba(240, 249, 255, .96), rgba(202, 229, 249, .72));
  color: var(--serum-blue-deep);
  text-align: center;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -9px 24px rgba(69, 139, 204, .065),
    0 22px 40px -29px rgba(27, 93, 158, .48);
}

.serum-proof-mark::before {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: inherit;
  background: conic-gradient(from 18deg, #82b9e9 0 18%, transparent 18% 38%, rgba(68, 135, 197, .32) 38% 72%, transparent 72% 88%, #82b9e9 88% 100%);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 1.5px), #000 0);
  mask: radial-gradient(farthest-side, transparent calc(100% - 1.5px), #000 0);
}

.serum-proof-mark::after {
  content: "";
  position: absolute;
  inset: 22px;
  border: 1px solid rgba(61, 126, 189, .12);
  border-radius: inherit;
}

.serum-proof-mark strong,
.serum-proof-mark span {
  position: relative;
  z-index: 1;
  display: block;
}

.serum-proof-mark strong {
  font-size: 32px;
  font-weight: 560;
  line-height: 1;
  letter-spacing: -.07em;
  font-variant-numeric: tabular-nums;
}

.serum-proof-mark span {
  margin-top: 7px;
  color: #5685b7;
  font-size: 8px;
  font-weight: 750;
  line-height: 1;
  letter-spacing: .18em;
}

.serum-proof-copy {
  display: grid;
  min-width: 0;
  gap: 6px;
}

.serum-proof-copy b {
  color: #1e3c61;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: -.025em;
}

.serum-proof-copy span {
  color: #3973b4;
  font-size: 9px;
  font-weight: 650;
  line-height: 1.45;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.serum-proof-copy small {
  color: #7b8da1;
  font-size: 10px;
  line-height: 1.5;
}

.serum-web-lab {
  position: relative;
  align-self: stretch;
  padding: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .92);
  border-radius: 28px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, .76), rgba(238, 247, 253, .56));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -1px 0 rgba(74, 116, 157, .06),
    0 30px 58px -45px rgba(25, 72, 119, .48);
  -webkit-backdrop-filter: blur(20px) saturate(112%);
  backdrop-filter: blur(20px) saturate(112%);
  isolation: isolate;
}

.serum-web-lab::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  opacity: .22;
  background-image:
    linear-gradient(rgba(44, 91, 135, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(44, 91, 135, .08) 1px, transparent 1px),
    radial-gradient(rgba(50, 85, 118, .17) .45px, transparent .65px);
  background-size: 42px 42px, 42px 42px, 6px 6px;
  -webkit-mask-image: linear-gradient(180deg, transparent 2%, #000 22%, #000 86%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 2%, #000 22%, #000 86%, transparent 100%);
  pointer-events: none;
}

.serum-web-lab > * {
  position: relative;
  z-index: 1;
}

.serum-lab-head {
  display: flex;
  min-height: 40px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 0 3px 14px;
  padding: 0 2px 13px;
  border-bottom: 1px solid rgba(47, 91, 132, .085);
}

.serum-lab-head > span {
  color: #4d78a7;
  font-size: 9px;
  font-weight: 750;
  line-height: 1;
  letter-spacing: .16em;
}

.serum-lab-head > span b {
  display: inline-grid;
  width: 22px;
  height: 22px;
  margin-left: 7px;
  place-items: center;
  border: 1px solid rgba(59, 121, 188, .15);
  border-radius: 50%;
  background: rgba(229, 241, 252, .84);
  color: #3978bb;
  font-size: 8px;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}

.serum-lab-head em {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #75889d;
  font-size: 8px;
  font-style: normal;
  font-weight: 650;
  letter-spacing: .12em;
  white-space: nowrap;
}

.serum-lab-head em i,
.serum-series-state i {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #55c8a7;
  box-shadow: 0 0 0 4px rgba(85, 200, 167, .09);
}

.serum-apple .serum-web-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.serum-apple .serum-web-cards li {
  position: relative;
  display: flex;
  min-height: 235px;
  flex-direction: column;
  padding: 16px 16px 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .78);
  border-radius: 18px;
  outline: 0;
  background:
    radial-gradient(circle at 12% 5%, rgba(255, 255, 255, .88), transparent 34%),
    linear-gradient(145deg, rgba(255, 255, 255, .67), rgba(239, 247, 253, .48));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .95),
    inset 0 -1px 0 rgba(72, 111, 148, .04);
  -webkit-backdrop-filter: blur(16px) saturate(110%);
  backdrop-filter: blur(16px) saturate(110%);
  transition:
    transform .42s cubic-bezier(.16, 1, .3, 1),
    border-color .32s ease,
    background .32s ease,
    box-shadow .42s cubic-bezier(.16, 1, .3, 1);
  isolation: isolate;
}

.serum-apple .serum-web-cards li::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -62px;
  right: -58px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(103, 168, 224, .14), transparent 68%);
  pointer-events: none;
}

.serum-apple .serum-web-cards li::after {
  content: "";
  position: absolute;
  right: 14px;
  bottom: 0;
  left: 14px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(77, 137, 195, .18), transparent);
  opacity: 0;
  transition: opacity .3s ease;
}

.serum-apple .serum-web-cards li:hover {
  z-index: 2;
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, .98);
  background:
    radial-gradient(circle at 12% 5%, rgba(255, 255, 255, 1), transparent 34%),
    linear-gradient(145deg, rgba(255, 255, 255, .92), rgba(238, 248, 255, .7));
  box-shadow:
    inset 0 1px 0 #fff,
    0 26px 44px -33px rgba(26, 82, 137, .54);
}

.serum-apple .serum-web-cards li:hover::after {
  opacity: 1;
}

.serum-sample-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.serum-apple .serum-web-icon {
  position: relative;
  display: grid;
  width: 70px;
  height: 70px;
  flex: 0 0 70px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: conic-gradient(from 28deg, rgba(91, 160, 220, .62), rgba(255, 255, 255, .82), rgba(79, 148, 210, .3), rgba(255, 255, 255, .9), rgba(91, 160, 220, .62));
  box-shadow:
    0 16px 25px -18px rgba(33, 101, 163, .66),
    0 0 0 1px rgba(255, 255, 255, .74);
  transition: transform .45s cubic-bezier(.16, 1, .3, 1), filter .35s ease;
}

.serum-apple .serum-web-icon::before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(85, 148, 205, .16);
  border-radius: inherit;
  background:
    radial-gradient(circle at 32% 24%, rgba(255, 255, 255, .96), transparent 24%),
    linear-gradient(145deg, rgba(235, 247, 255, .96), rgba(190, 223, 246, .72));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .98),
    inset 0 -8px 18px rgba(61, 135, 198, .07);
}

.serum-apple .serum-web-icon::after {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(112, 164, 202, .14);
  border-radius: inherit;
  background:
    radial-gradient(circle at 34% 27%, rgba(255, 255, 255, .96), rgba(255, 245, 214, .72) 19%, rgba(230, 205, 143, .22) 42%, rgba(116, 181, 223, .18) 76%, rgba(82, 148, 203, .25) 100%);
  box-shadow:
    inset 0 3px 8px rgba(255, 255, 255, .64),
    0 5px 12px rgba(45, 115, 174, .09);
  transition: transform .45s cubic-bezier(.16, 1, .3, 1), box-shadow .35s ease;
}

.serum-apple .serum-web-icon b {
  position: relative;
  z-index: 2;
  color: #275f98;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  text-shadow: 0 1px 0 rgba(255, 255, 255, .8);
}

.serum-apple .serum-web-cards li:hover .serum-web-icon {
  transform: translateY(-3px) rotate(8deg);
  filter: saturate(1.08) brightness(1.02);
}

.serum-apple .serum-web-cards li:hover .serum-web-icon::after {
  transform: scale(.94) rotate(-8deg);
  box-shadow:
    inset 0 3px 8px rgba(255, 255, 255, .72),
    0 7px 16px rgba(45, 115, 174, .15);
}

.serum-series-code {
  display: grid;
  min-width: 0;
  justify-items: end;
  gap: 4px;
  text-align: right;
}

.serum-apple .serum-series-code em {
  position: static;
  color: #3e75ad;
  font-size: 21px;
  font-style: normal;
  font-weight: 560;
  line-height: 1;
  letter-spacing: -.055em;
  font-variant-numeric: tabular-nums;
}

.serum-series-code small {
  overflow: hidden;
  color: #8092a5;
  font-size: 7px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .08em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.serum-apple .serum-web-cards h3 {
  position: relative;
  z-index: 1;
  margin: 16px 0 8px;
  color: #193655;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.4;
  letter-spacing: -.028em;
  text-wrap: balance;
}

.serum-apple .serum-web-cards p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #708399;
  font-size: 11px;
  line-height: 1.65;
}

.serum-series-state {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: auto;
  padding-top: 10px;
  color: #6f8599;
  font-size: 7px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .11em;
}

.serum-series-state i {
  width: 4px;
  height: 4px;
  flex: 0 0 4px;
  background: #4fbf9e;
  box-shadow: 0 0 0 3px rgba(79, 191, 158, .08);
}

.serum-apple .serum-web-trust {
  position: relative;
  z-index: 1;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .91);
  border-radius: 19px;
  background:
    radial-gradient(circle at 4% 50%, rgba(77, 144, 207, .075), transparent 18%),
    linear-gradient(115deg, rgba(255, 255, 255, .88), rgba(242, 249, 254, .66));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 22px 44px -38px rgba(26, 73, 119, .44);
  -webkit-backdrop-filter: blur(18px) saturate(112%);
  backdrop-filter: blur(18px) saturate(112%);
}

.serum-apple .serum-web-trust::before {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  width: 92px;
  height: 2px;
  background: linear-gradient(90deg, #438bd0, #9dcbed, transparent);
}

.serum-apple .serum-web-trust article {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 13px;
  padding: 17px 22px;
}

.serum-apple .serum-web-trust article + article {
  border-left: 1px solid rgba(63, 108, 151, .1);
}

.serum-apple .serum-web-trust article > span {
  display: grid;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  place-items: center;
  border: 1px solid rgba(66, 127, 188, .1);
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(250, 253, 255, .95), rgba(222, 239, 252, .8));
  color: #397fc2;
  box-shadow: inset 0 1px 0 #fff;
}

.serum-web-trust svg {
  width: 19px;
  height: 19px;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.serum-apple .serum-web-trust b,
.serum-apple .serum-web-trust small {
  display: block;
  white-space: nowrap;
}

.serum-apple .serum-web-trust b {
  color: #274461;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.3;
}

.serum-apple .serum-web-trust small {
  margin-top: 4px;
  color: #8091a3;
  font-size: 10px;
  line-height: 1.35;
}

@media (max-width: 1100px) {
  .serum-apple .serum-web {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .serum-apple .serum-web-intro {
    min-height: 310px;
    padding-right: 250px;
  }

  .serum-apple .serum-web-intro > p {
    max-width: 390px;
  }

  .serum-web-proof {
    position: absolute;
    right: 10px;
    bottom: 4px;
    width: 230px;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin: 0;
    padding: 0;
    text-align: center;
  }

  .serum-proof-mark {
    width: 112px;
    height: 112px;
    flex-basis: 112px;
  }

  .serum-proof-copy {
    gap: 3px;
  }
}

@media (max-width: 760px) {
  .serum-apple .serum-overview-web {
    padding: 68px 0;
  }

  .serum-apple .serum-web {
    gap: 19px;
    padding: 25px 18px;
    border-radius: 28px;
  }

  .serum-apple .serum-web::before {
    inset: 8px;
    border-radius: 20px;
  }

  .serum-apple .serum-web-intro {
    min-height: 0;
    padding: 8px 3px 4px;
  }

  .serum-apple .serum-web-intro h2 {
    max-width: 330px;
    font-size: clamp(34px, 9.4vw, 42px);
  }

  .serum-apple .serum-web-intro > p {
    max-width: 310px;
    font-size: 13px;
  }

  .serum-web-proof {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    flex-direction: row;
    justify-content: flex-start;
    gap: 15px;
    margin-top: 28px;
    text-align: left;
  }

  .serum-proof-mark {
    width: 88px;
    height: 88px;
    flex-basis: 88px;
  }

  .serum-proof-mark::after {
    inset: 17px;
  }

  .serum-proof-mark strong {
    font-size: 25px;
  }

  .serum-proof-copy b {
    font-size: 14px;
  }

  .serum-web-lab {
    padding: 14px;
    border-radius: 22px;
  }

  .serum-lab-head {
    margin-bottom: 11px;
  }

  .serum-apple .serum-web-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .serum-apple .serum-web-cards li {
    min-height: 224px;
    padding: 14px 13px 12px;
    border-radius: 16px;
  }

  .serum-apple .serum-web-icon {
    width: 61px;
    height: 61px;
    flex-basis: 61px;
  }

  .serum-apple .serum-web-icon::after {
    inset: 14px;
  }

  .serum-apple .serum-web-icon b {
    font-size: 14px;
  }

  .serum-apple .serum-series-code em {
    font-size: 18px;
  }

  .serum-apple .serum-web-cards h3 {
    margin-top: 14px;
    font-size: 14px;
  }

  .serum-apple .serum-web-cards p {
    font-size: 10.5px;
  }

  .serum-apple .serum-web-trust {
    grid-template-columns: 1fr;
    border-radius: 17px;
  }

  .serum-apple .serum-web-trust article {
    padding: 13px 17px;
  }

  .serum-apple .serum-web-trust article + article {
    border-top: 1px solid rgba(63, 108, 151, .1);
    border-left: 0;
  }
}

@media (max-width: 430px) {
  .serum-apple .serum-web {
    padding-right: 12px;
    padding-left: 12px;
  }

  .serum-web-lab {
    padding: 11px;
  }

  .serum-lab-head {
    gap: 8px;
  }

  .serum-lab-head em {
    font-size: 7px;
    letter-spacing: .08em;
  }

  .serum-apple .serum-web-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .serum-apple .serum-web-cards li {
    min-height: 235px;
    padding: 12px 10px 11px;
  }

  .serum-apple .serum-web-icon {
    width: 54px;
    height: 54px;
    flex-basis: 54px;
  }

  .serum-apple .serum-web-icon::after {
    inset: 12px;
  }

  .serum-series-code small {
    max-width: 60px;
    font-size: 6px;
  }

  .serum-apple .serum-web-cards h3 {
    font-size: 13px;
    line-height: 1.42;
  }

  .serum-apple .serum-web-cards p {
    font-size: 10px;
    line-height: 1.55;
  }

  .serum-series-state {
    font-size: 6px;
    letter-spacing: .07em;
  }
}

/*
 * Apple-inspired refinement · 2026-08-06 v3
 *
 * The reference page uses scale as the hero: one quiet canvas, one dominant
 * headline and a single continuous content surface.  On wide screens the
 * verification array now has enough room to read like a product, not a
 * dashboard thumbnail; at smaller widths the existing compact grid remains
 * intact and keeps the information density practical.
 */
.serum-apple .iso-page {
  width: 100%;
  max-width: 1920px;
  padding-left: clamp(24px, 3.65vw, 70px);
  padding-right: clamp(24px, 3.65vw, 70px);
}

.serum-apple .serum-overview-web {
  padding-top: clamp(90px, 8vw, 132px);
  padding-bottom: clamp(102px, 8vw, 138px);
}

.serum-apple .serum-web {
  width: 100%;
  max-width: none;
  gap: clamp(28px, 3vw, 52px);
  padding: clamp(42px, 4vw, 76px);
  border-radius: 42px;
  background: rgba(255, 255, 255, .86);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .98),
    0 42px 90px -58px rgba(29, 63, 97, .34),
    0 12px 30px -24px rgba(37, 78, 116, .16);
  -webkit-backdrop-filter: blur(28px) saturate(108%);
  backdrop-filter: blur(28px) saturate(108%);
}

.serum-apple .serum-web::before {
  inset: 17px;
  border-color: rgba(255, 255, 255, .62);
  border-radius: 30px;
}

.serum-apple .serum-web-intro {
  min-height: 760px;
  padding: 28px 0 8px 10px;
}

.serum-apple .serum-web-intro h2 {
  max-width: 510px;
  margin-top: 20px;
  margin-bottom: 23px;
  color: #162b46;
  font-size: clamp(48px, 4.15vw, 70px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -.068em;
}

.serum-apple .serum-web-intro > p {
  max-width: 390px;
  color: #727b86;
  font-size: clamp(16px, 1.1vw, 19px);
  line-height: 1.72;
}

.serum-apple .serum-web-lab {
  min-width: 0;
  padding: clamp(22px, 1.6vw, 30px);
  border-radius: 30px;
  background: rgba(255, 255, 255, .64);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .98),
    0 24px 50px -38px rgba(23, 62, 101, .24);
}

.serum-apple .serum-lab-head {
  min-height: 52px;
  margin: 0 4px 18px;
  padding-bottom: 17px;
}

.serum-apple .serum-lab-head > span {
  font-size: 10px;
}

.serum-apple .serum-lab-head > span b {
  width: 28px;
  height: 28px;
  margin-left: 9px;
  font-size: 10px;
}

.serum-apple .serum-lab-head em {
  font-size: 9px;
}

.serum-apple .serum-web-cards {
  gap: 1px;
  border-radius: 24px;
}

.serum-apple .serum-web-cards li {
  min-height: 334px;
  padding: 28px 28px 23px;
}

.serum-apple .serum-web-icon {
  width: 88px;
  height: 88px;
  flex-basis: 88px;
}

.serum-apple .serum-web-icon::before {
  inset: 7px;
}

.serum-apple .serum-web-icon::after {
  inset: 20px;
}

.serum-apple .serum-web-icon b {
  font-size: 24px;
}

.serum-apple .serum-series-code em {
  font-size: 33px;
}

.serum-apple .serum-series-code small {
  font-size: 10px;
}

.serum-apple .serum-web-cards h3 {
  margin-top: 26px;
  margin-bottom: 12px;
  color: #1b3451;
  font-size: clamp(18px, 1.15vw, 24px);
  line-height: 1.35;
}

.serum-apple .serum-web-cards p {
  max-width: 19em;
  color: #747e89;
  font-size: clamp(13px, .85vw, 16px);
  line-height: 1.7;
}

.serum-apple .serum-series-state {
  font-size: 9px;
  letter-spacing: .14em;
}

.serum-apple .serum-web-trust {
  min-height: 106px;
  border-radius: 20px;
}

.serum-apple .serum-web-trust article {
  gap: 17px;
  padding: 25px 30px;
}

.serum-apple .serum-web-trust article > span {
  width: 48px;
  height: 48px;
  flex-basis: 48px;
}

.serum-apple .serum-web-trust b {
  font-size: 16px;
}

.serum-apple .serum-web-trust small {
  margin-top: 4px;
  font-size: 12px;
}

@media (max-width: 1439px) {
  .serum-apple .serum-web-intro {
    min-height: 560px;
  }

  .serum-apple .serum-web-cards li {
    min-height: 250px;
    padding: 20px 18px 17px;
  }

  .serum-apple .serum-web-icon {
    width: 70px;
    height: 70px;
    flex-basis: 70px;
  }

  .serum-apple .serum-web-icon::before {
    inset: 6px;
  }

  .serum-apple .serum-web-icon::after {
    inset: 16px;
  }

  .serum-apple .serum-web-cards h3 {
    margin-top: 20px;
    font-size: 16px;
  }

  .serum-apple .serum-web-cards p {
    font-size: 12px;
  }

  .serum-apple .serum-web-trust article {
    padding: 18px 22px;
  }
}

@media (max-width: 760px) {
  .serum-apple .iso-page {
    padding-left: 20px;
    padding-right: 20px;
  }

  .serum-apple .serum-web {
    gap: 22px;
    padding: 24px 18px;
    border-radius: 30px;
  }

  .serum-apple .serum-web::before {
    inset: 9px;
    border-radius: 22px;
  }

  .serum-apple .serum-web-intro {
    min-height: 0;
    padding: 10px 0 0;
  }

  .serum-apple .serum-web-intro h2 {
    max-width: 340px;
    margin-top: 14px;
    font-size: clamp(36px, 9.5vw, 48px);
  }

  .serum-apple .serum-web-intro > p {
    max-width: 300px;
    font-size: 14px;
  }

  .serum-apple .serum-web-lab {
    padding: 14px;
    border-radius: 24px;
  }

  .serum-apple .serum-lab-head {
    min-height: 42px;
    margin-bottom: 14px;
    padding-bottom: 13px;
  }

  .serum-apple .serum-lab-head > span,
  .serum-apple .serum-lab-head em {
    font-size: 8px;
  }

  .serum-apple .serum-lab-head > span b {
    width: 23px;
    height: 23px;
  }

  .serum-apple .serum-web-cards {
    border-radius: 18px;
  }

  .serum-apple .serum-web-cards li {
    min-height: 230px;
    padding: 15px 13px 13px;
  }

  .serum-apple .serum-web-icon {
    width: 55px;
    height: 55px;
    flex-basis: 55px;
  }

  .serum-apple .serum-web-icon::before {
    inset: 5px;
  }

  .serum-apple .serum-web-icon::after {
    inset: 13px;
  }

  .serum-apple .serum-web-icon b {
    font-size: 18px;
  }

  .serum-apple .serum-series-code em {
    font-size: 22px;
  }

  .serum-apple .serum-series-code small {
    max-width: 76px;
    font-size: 7px;
  }

  .serum-apple .serum-web-cards h3 {
    margin-top: 17px;
    margin-bottom: 8px;
    font-size: 13px;
  }

  .serum-apple .serum-web-cards p {
    font-size: 10.5px;
  }

  .serum-apple .serum-series-state {
    font-size: 7px;
    letter-spacing: .08em;
  }

  .serum-apple .serum-web-trust {
    min-height: 0;
  }

  .serum-apple .serum-web-trust article {
    gap: 12px;
    padding: 15px 16px;
  }

  .serum-apple .serum-web-trust article > span {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .serum-apple .serum-web-trust b {
    font-size: 13px;
  }

  .serum-apple .serum-web-trust small {
    font-size: 10px;
  }
}

/* v4 finishing pass: keep the editorial headline on the two intended lines. */
.serum-apple .serum-web-intro h2 {
  max-width: none;
  font-size: clamp(48px, 3.6vw, 60px);
  white-space: nowrap;
}

@media (max-width: 760px) {
  .serum-apple .serum-web-intro h2 {
    font-size: clamp(34px, 9.1vw, 43px);
  }
}

@media (max-width: 360px) {
  .serum-apple .serum-web-intro h2 {
    font-size: clamp(31px, 9vw, 34px);
  }
}

/*
 * Connected clinical system · 2026-08-06 v4
 *
 * Six product panels now connect to one dual verification core.  The structure
 * borrows the clarity of a laboratory systems map without turning the page into
 * a decorative infographic: product information stays editable and semantic.
 */
.serum-apple .serum-overview-web {
  --serum-clinical-blue: #2374c6;
  --serum-clinical-cyan: #53b9e6;
  --serum-clinical-ink: #142f4d;
  --serum-clinical-copy: #6e7e8d;
  --serum-clinical-line: rgba(42, 100, 151, .115);
  --serum-data-font: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, monospace;
}

.serum-apple .serum-overview-web::before {
  background:
    radial-gradient(720px 560px at 97% 8%, rgba(42, 126, 211, .085), transparent 72%),
    radial-gradient(660px 520px at 2% 76%, rgba(68, 184, 213, .07), transparent 73%),
    linear-gradient(180deg, #f7fafc 0%, #edf4f8 100%);
}

.serum-apple .serum-web {
  grid-template-columns: minmax(340px, .68fr) minmax(760px, 1.52fr);
  gap: clamp(34px, 3vw, 54px);
  padding: clamp(44px, 3.6vw, 68px);
  border-color: rgba(255, 255, 255, .96);
  border-radius: 42px;
  background:
    radial-gradient(circle at 82% 12%, rgba(90, 166, 223, .055), transparent 24%),
    linear-gradient(142deg, rgba(255, 255, 255, .96), rgba(248, 251, 253, .88));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 46px 98px -66px rgba(24, 62, 98, .34),
    0 15px 34px -29px rgba(31, 72, 111, .16);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.serum-apple .serum-web::before {
  inset: 15px;
  border-color: rgba(43, 87, 127, .035);
  border-radius: 31px;
}

.serum-apple .serum-web-intro {
  min-height: 646px;
  padding: 25px 0 7px 6px;
}

.serum-apple .serum-web-intro .iso-eyebrow,
.serum-apple .serum-lab-head > span,
.serum-apple .serum-lab-head em {
  font-family: var(--serum-data-font);
}

.serum-apple .serum-web-intro h2 {
  max-width: 470px;
  font-size: clamp(48px, 4vw, 66px);
}

.serum-apple .serum-web-intro > p {
  max-width: 380px;
  color: var(--serum-clinical-copy);
  font-size: clamp(15px, 1vw, 18px);
}

.serum-apple .serum-web-lab {
  align-self: stretch;
  padding: 21px;
  overflow: visible;
  border-color: rgba(33, 77, 116, .065);
  border-radius: 30px;
  background:
    radial-gradient(circle at 50% 47%, rgba(80, 158, 216, .055), transparent 34%),
    linear-gradient(145deg, rgba(255, 255, 255, .92), rgba(246, 250, 253, .84));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 28px 58px -44px rgba(23, 62, 101, .31);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.serum-apple .serum-lab-head {
  min-height: 46px;
  margin: 0 3px 17px;
  padding: 0 3px 15px;
}

.serum-system-layout {
  position: relative;
  min-height: 526px;
  isolation: isolate;
}

.serum-system-layout::before,
.serum-system-layout::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: 50%;
  left: 50%;
  aspect-ratio: 1;
  border: 1px solid rgba(57, 122, 180, .09);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.serum-system-layout::before {
  width: 350px;
}

.serum-system-layout::after {
  width: 298px;
  border-color: rgba(57, 122, 180, .065);
}

.serum-apple .serum-system-layout .serum-web-cards {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 248px minmax(180px, 1fr);
  grid-template-rows: repeat(3, 166px);
  gap: 14px 27px;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.serum-apple .serum-system-layout .serum-web-cards li {
  box-sizing: border-box;
  height: 166px;
  min-height: 166px;
  padding: 15px 16px 14px;
  overflow: visible;
  border: 1px solid rgba(33, 77, 116, .075);
  border-radius: 20px;
  background:
    radial-gradient(circle at 10% 0%, rgba(255, 255, 255, 1), transparent 38%),
    linear-gradient(145deg, rgba(255, 255, 255, .96), rgba(248, 251, 253, .9));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 18px 36px -31px rgba(23, 67, 107, .35);
  transition: transform .42s cubic-bezier(.16, 1, .3, 1), border-color .32s ease, box-shadow .42s ease;
}

.serum-apple .serum-system-layout .serum-web-cards li:nth-child(1) { grid-area: 1 / 1; }
.serum-apple .serum-system-layout .serum-web-cards li:nth-child(2) { grid-area: 2 / 1; }
.serum-apple .serum-system-layout .serum-web-cards li:nth-child(3) { grid-area: 3 / 1; }
.serum-apple .serum-system-layout .serum-web-cards li:nth-child(4) { grid-area: 1 / 3; }
.serum-apple .serum-system-layout .serum-web-cards li:nth-child(5) { grid-area: 2 / 3; }
.serum-apple .serum-system-layout .serum-web-cards li:nth-child(6) { grid-area: 3 / 3; }

.serum-apple .serum-system-layout .serum-web-cards li > :not(.serum-series-link) {
  position: relative;
  z-index: 2;
}

.serum-apple .serum-system-layout .serum-web-cards li:hover {
  z-index: 5;
  transform: translateY(-3px);
  border-color: rgba(39, 115, 180, .14);
  background: #fff;
  box-shadow:
    inset 0 1px 0 #fff,
    0 24px 44px -32px rgba(23, 67, 107, .38);
}

.serum-apple .serum-system-layout .serum-sample-head {
  min-height: 48px;
}

.serum-apple .serum-system-layout .serum-web-icon {
  width: 50px;
  height: 50px;
  flex-basis: 50px;
  border-color: rgba(31, 111, 183, .08);
  box-shadow:
    inset 0 1px 0 #fff,
    0 10px 20px -16px rgba(31, 99, 158, .43);
}

.serum-apple .serum-system-layout .serum-web-icon::before {
  inset: 4px;
}

.serum-apple .serum-system-layout .serum-web-icon::after {
  inset: 11px;
}

.serum-apple .serum-system-layout .serum-web-icon b {
  font-size: 17px;
}

.serum-apple .serum-system-layout .serum-series-code em {
  font-family: var(--serum-data-font);
  font-size: 23px;
  font-weight: 560;
}

.serum-apple .serum-system-layout .serum-series-code small {
  max-width: 76px;
  font-family: var(--serum-data-font);
  font-size: 6.5px;
  letter-spacing: .08em;
}

.serum-apple .serum-system-layout .serum-web-cards h3 {
  margin: 10px 0 5px;
  color: var(--serum-clinical-ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -.025em;
}

.serum-apple .serum-system-layout .serum-web-cards p {
  display: -webkit-box;
  max-width: none;
  margin: 0;
  overflow: hidden;
  color: #768491;
  font-size: 10.5px;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.serum-apple .serum-system-layout .serum-series-state {
  margin-top: auto;
  color: #81909d;
  font-family: var(--serum-data-font);
  font-size: 6.5px;
  letter-spacing: .085em;
}

.serum-series-link {
  position: absolute;
  z-index: 0;
  top: 50%;
  display: block;
  width: 35px;
  height: 1px;
  background: linear-gradient(90deg, rgba(65, 125, 178, .18), rgba(65, 125, 178, .46));
  transform: translateY(-50%);
  pointer-events: none;
}

.serum-apple .serum-web-cards li:nth-child(-n + 3) .serum-series-link {
  left: 100%;
}

.serum-apple .serum-web-cards li:nth-child(n + 4) .serum-series-link {
  right: 100%;
  background: linear-gradient(90deg, rgba(65, 125, 178, .46), rgba(65, 125, 178, .18));
}

.serum-series-link::after,
.serum-series-link i {
  content: "";
  position: absolute;
  top: 50%;
  display: block;
  border-radius: 50%;
  transform: translateY(-50%);
}

.serum-series-link::after {
  width: 6px;
  height: 6px;
  border: 2px solid rgba(255, 255, 255, .95);
  background: #3a8fd3;
  box-shadow: 0 0 0 1px rgba(47, 119, 180, .2);
}

.serum-series-link i {
  width: 8px;
  height: 8px;
  border: 2px solid rgba(255, 255, 255, .96);
  background: #48b7c8;
  box-shadow: 0 0 0 1px rgba(51, 135, 172, .18), 0 0 0 5px rgba(72, 183, 200, .05);
}

.serum-apple .serum-web-cards li:nth-child(-n + 3) .serum-series-link::after { left: -3px; }
.serum-apple .serum-web-cards li:nth-child(-n + 3) .serum-series-link i { right: -4px; }
.serum-apple .serum-web-cards li:nth-child(n + 4) .serum-series-link::after { right: -3px; }
.serum-apple .serum-web-cards li:nth-child(n + 4) .serum-series-link i { left: -4px; }

.serum-verification-core {
  position: absolute;
  z-index: 4;
  top: 50%;
  left: 50%;
  display: grid;
  width: 248px;
  justify-items: center;
  transform: translate(-50%, -50%);
}

.serum-core-orbit {
  position: relative;
  width: 236px;
  aspect-ratio: 1;
  border: 1px solid rgba(44, 119, 183, .15);
  border-radius: 50%;
  background: rgba(255, 255, 255, .56);
  box-shadow:
    0 0 0 12px rgba(92, 163, 214, .055),
    0 0 0 26px rgba(92, 163, 214, .025),
    0 25px 46px -32px rgba(23, 83, 136, .42);
}

.serum-core-orbit::before {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: conic-gradient(from 24deg, rgba(64, 157, 216, .62) 0 17%, transparent 17% 43%, rgba(66, 176, 196, .36) 43% 72%, transparent 72% 91%, rgba(64, 157, 216, .62) 91% 100%);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 1.5px), #000 0);
  mask: radial-gradient(farthest-side, transparent calc(100% - 1.5px), #000 0);
}

.serum-core-orbit::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(255, 255, 255, .88);
  border-radius: 50%;
  pointer-events: none;
}

.serum-core-disc {
  position: absolute;
  inset: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  border: 1px solid rgba(235, 250, 255, .7);
  border-radius: 50%;
  box-shadow:
    inset 10px 12px 22px rgba(255, 255, 255, .14),
    inset -12px -15px 26px rgba(7, 55, 109, .2),
    0 14px 26px -18px rgba(18, 77, 133, .52);
}

.serum-core-disc > span {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
}

.serum-core-disc > span:first-child {
  border-right: 1px solid rgba(255, 255, 255, .46);
  background:
    radial-gradient(circle at 30% 18%, rgba(255, 255, 255, .34), transparent 25%),
    linear-gradient(145deg, #5ebbe8, #2e7dcc 72%, #2368b5);
}

.serum-core-disc > span:last-child {
  background:
    radial-gradient(circle at 30% 18%, rgba(255, 255, 255, .22), transparent 24%),
    linear-gradient(145deg, #3797dc, #1f66b7 72%, #174d96);
}

.serum-core-disc svg {
  width: 29px;
  height: 29px;
  margin-bottom: 9px;
  stroke: rgba(255, 255, 255, .92);
  stroke-width: 1.45;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.serum-core-disc em {
  margin-bottom: 5px;
  color: rgba(236, 249, 255, .7);
  font-family: var(--serum-data-font);
  font-size: 5.5px;
  font-style: normal;
  font-weight: 650;
  letter-spacing: .08em;
}

.serum-core-disc strong {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -.05em;
}

.serum-verification-core > p {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 17px 0 0;
  color: #4676a3;
  font-family: var(--serum-data-font);
  font-size: 7px;
  font-weight: 650;
  line-height: 1;
  letter-spacing: .11em;
}

.serum-verification-core > p i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #51c6a4;
  box-shadow: 0 0 0 4px rgba(81, 198, 164, .08);
}

.serum-verification-core > small {
  margin-top: 7px;
  color: #7f8d99;
  font-size: 9px;
  line-height: 1.3;
}

.serum-apple .serum-web-trust {
  min-height: 94px;
  border-color: rgba(31, 75, 114, .065);
  border-radius: 23px;
  background: rgba(255, 255, 255, .88);
  box-shadow:
    inset 0 1px 0 #fff,
    0 18px 38px -32px rgba(26, 66, 104, .25);
}

.serum-apple .serum-web-trust article {
  padding: 20px 27px;
}

.serum-apple #panel-catalog {
  position: relative;
  isolation: isolate;
  border-top-color: rgba(35, 86, 130, .08);
}

.serum-apple #panel-catalog::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0 calc(50% - 50vw);
  background:
    radial-gradient(760px 520px at 95% 8%, rgba(74, 156, 214, .07), transparent 72%),
    linear-gradient(180deg, #f4f9fb 0%, #edf5f8 100%);
}

.serum-apple #panel-catalog .iso-section-head {
  max-width: 880px;
}

.serum-apple #panel-catalog .iso-eyebrow {
  color: #3e79b2;
  font-family: var(--serum-data-font);
}

.serum-apple #panel-catalog .iso-section-head h2 {
  color: #142e48;
}

.serum-apple #panel-catalog .iso-section-head p {
  color: #6f7f8c;
}

.serum-apple .serum-catalog {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.serum-apple .serum-category {
  min-height: 0;
  padding: 31px 30px 34px;
  border-color: rgba(34, 78, 117, .075);
  border-radius: 27px;
  background: rgba(255, 255, 255, .9);
  box-shadow:
    inset 0 1px 0 #fff,
    0 24px 50px -42px rgba(26, 66, 102, .3);
}

.serum-apple .serum-category::after {
  background: radial-gradient(circle, rgba(76, 161, 218, .07), transparent 68%);
}

.serum-apple .serum-category:hover {
  transform: translateY(-4px);
  border-color: rgba(40, 117, 177, .14);
  box-shadow:
    inset 0 1px 0 #fff,
    0 31px 58px -42px rgba(26, 66, 102, .34);
}

.serum-apple .serum-category:first-child {
  display: grid;
  min-height: 124px;
  grid-column: 1 / -1;
  grid-template-columns: minmax(280px, .75fr) minmax(0, 1.8fr);
  align-items: center;
  padding: 26px 31px;
}

.serum-apple .serum-category:first-child .serum-category-title {
  padding: 0 28px 0 0;
  border-right: 1px solid rgba(35, 82, 122, .08);
  border-bottom: 0;
}

.serum-apple .serum-category:first-child ul {
  margin: 0;
  padding-left: 30px;
}

.serum-apple .serum-category-title {
  grid-template-columns: 42px 1fr auto;
  gap: 12px;
  padding-bottom: 20px;
  border-bottom-color: rgba(35, 82, 122, .08);
}

.serum-apple .serum-category-title span {
  color: #2f79b9;
  font-family: var(--serum-data-font);
}

.serum-apple .serum-category-title h3 {
  color: #18334e;
  font-size: 19px;
}

.serum-apple .serum-category-title em {
  background: #edf6fc;
  color: #397aae;
}

.serum-apple .serum-category li {
  color: #61717e;
}

.serum-apple .serum-category li::before {
  background: #4ba5cf;
}

@media (max-width: 1439px) {
  .serum-apple .serum-web {
    grid-template-columns: minmax(286px, .7fr) minmax(620px, 1.5fr);
    gap: 40px;
    padding: 52px;
  }

  .serum-apple .serum-web-intro {
    min-height: 600px;
  }

  .serum-apple .serum-system-layout .serum-web-cards {
    grid-template-columns: minmax(170px, 1fr) 224px minmax(170px, 1fr);
    grid-template-rows: repeat(3, 154px);
    gap: 13px 23px;
  }

  .serum-apple .serum-system-layout .serum-web-cards li {
    height: 154px;
    min-height: 154px;
    padding: 13px 14px 12px;
  }

  .serum-system-layout {
    min-height: 488px;
  }

  .serum-series-link {
    width: 31px;
  }

  .serum-verification-core {
    width: 224px;
  }

  .serum-core-orbit {
    width: 214px;
  }

  .serum-core-disc strong {
    font-size: 17px;
  }

  .serum-core-disc svg {
    width: 25px;
    height: 25px;
  }
}

@media (max-width: 1100px) {
  .serum-apple .serum-web {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 44px;
  }

  .serum-apple .serum-web-intro {
    min-height: 340px;
    padding-right: 250px;
  }

  .serum-apple .serum-web-lab {
    width: 100%;
  }

  .serum-apple .serum-system-layout .serum-web-cards {
    grid-template-columns: minmax(185px, 1fr) 236px minmax(185px, 1fr);
    grid-template-rows: repeat(3, 158px);
    gap: 14px 25px;
  }

  .serum-apple .serum-system-layout .serum-web-cards li {
    height: 158px;
    min-height: 158px;
  }

  .serum-system-layout {
    min-height: 502px;
  }

  .serum-verification-core {
    width: 236px;
  }

  .serum-core-orbit {
    width: 224px;
  }

  .serum-apple .serum-catalog {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .serum-apple .serum-category:first-child,
  .serum-apple .serum-category:nth-child(4) {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .serum-apple .serum-web {
    gap: 21px;
    padding: 25px 18px;
    border-radius: 30px;
  }

  .serum-apple .serum-web::before {
    inset: 9px;
    border-radius: 22px;
  }

  .serum-apple .serum-web-intro {
    min-height: 0;
    padding: 9px 0 0;
    padding-right: 0;
  }

  .serum-apple .serum-web-intro h2 {
    font-size: clamp(36px, 9.5vw, 47px);
  }

  .serum-apple .serum-web-lab {
    padding: 14px;
    border-radius: 24px;
  }

  .serum-system-layout {
    min-height: 0;
    padding-top: 232px;
  }

  .serum-system-layout::before {
    top: 104px;
    width: 248px;
    transform: translate(-50%, 0);
  }

  .serum-system-layout::after {
    display: none;
  }

  .serum-apple .serum-system-layout .serum-web-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(3, 208px);
    gap: 9px;
  }

  .serum-apple .serum-system-layout .serum-web-cards li,
  .serum-apple .serum-system-layout .serum-web-cards li:nth-child(1),
  .serum-apple .serum-system-layout .serum-web-cards li:nth-child(2),
  .serum-apple .serum-system-layout .serum-web-cards li:nth-child(3),
  .serum-apple .serum-system-layout .serum-web-cards li:nth-child(4),
  .serum-apple .serum-system-layout .serum-web-cards li:nth-child(5),
  .serum-apple .serum-system-layout .serum-web-cards li:nth-child(6) {
    grid-area: auto;
    height: 208px;
    min-height: 208px;
    padding: 13px 12px 12px;
    border-radius: 17px;
  }

  .serum-series-link {
    display: none;
  }

  .serum-verification-core {
    top: 3px;
    width: 214px;
    transform: translateX(-50%);
  }

  .serum-core-orbit {
    width: 202px;
  }

  .serum-core-disc {
    inset: 18px;
  }

  .serum-core-disc strong {
    font-size: 16px;
  }

  .serum-core-disc svg {
    width: 24px;
    height: 24px;
    margin-bottom: 7px;
  }

  .serum-verification-core > p {
    margin-top: 14px;
    font-size: 6px;
  }

  .serum-verification-core > small {
    font-size: 8px;
  }

  .serum-apple .serum-system-layout .serum-web-icon {
    width: 48px;
    height: 48px;
    flex-basis: 48px;
  }

  .serum-apple .serum-system-layout .serum-web-icon::after {
    inset: 11px;
  }

  .serum-apple .serum-system-layout .serum-series-code em {
    font-size: 21px;
  }

  .serum-apple .serum-system-layout .serum-series-code small {
    max-width: 66px;
    font-size: 6px;
  }

  .serum-apple .serum-system-layout .serum-web-cards h3 {
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.4;
  }

  .serum-apple .serum-system-layout .serum-web-cards p {
    font-size: 9.5px;
    line-height: 1.55;
    -webkit-line-clamp: 3;
  }

  .serum-apple .serum-system-layout .serum-series-state {
    font-size: 6px;
    letter-spacing: .06em;
  }

  .serum-apple .serum-web-trust {
    border-radius: 19px;
  }

  .serum-apple .serum-catalog {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .serum-apple .serum-category:first-child,
  .serum-apple .serum-category:nth-child(4) {
    display: block;
    grid-column: auto;
    padding: 27px 23px 29px;
  }

  .serum-apple .serum-category:first-child .serum-category-title {
    padding: 0 0 20px;
    border-right: 0;
    border-bottom: 1px solid rgba(35, 82, 122, .08);
  }

  .serum-apple .serum-category:first-child ul {
    margin-top: 18px;
    padding-left: 0;
  }

  .serum-apple .serum-category {
    padding: 27px 23px 29px;
    border-radius: 24px;
  }
}

@media (max-width: 430px) {
  .serum-system-layout {
    padding-top: 222px;
  }

  .serum-apple .serum-system-layout .serum-web-cards {
    grid-template-rows: repeat(3, 212px);
    gap: 8px;
  }

  .serum-apple .serum-system-layout .serum-web-cards li,
  .serum-apple .serum-system-layout .serum-web-cards li:nth-child(n) {
    height: 212px;
    min-height: 212px;
    padding: 12px 10px 11px;
  }

  .serum-verification-core {
    width: 205px;
  }

  .serum-core-orbit {
    width: 194px;
  }

  .serum-core-disc {
    inset: 17px;
  }

  .serum-core-disc strong {
    font-size: 15px;
  }

  .serum-apple .serum-system-layout .serum-web-icon {
    width: 45px;
    height: 45px;
    flex-basis: 45px;
  }

  .serum-apple .serum-system-layout .serum-web-icon b {
    font-size: 15px;
  }

  .serum-apple .serum-system-layout .serum-series-code em {
    font-size: 20px;
  }

  .serum-apple .serum-system-layout .serum-web-cards h3 {
    font-size: 12.5px;
  }

  .serum-apple .serum-system-layout .serum-web-cards p {
    font-size: 9px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .serum-web.in .serum-verification-core {
    animation: serum-core-enter .8s .12s both cubic-bezier(.16, 1, .3, 1);
  }

  @keyframes serum-core-enter {
    from { opacity: 0; transform: translate(-50%, -46%) scale(.965); }
    to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  }
}

@media (max-width: 760px) and (prefers-reduced-motion: no-preference) {
  .serum-web.in .serum-verification-core {
    animation-name: serum-core-enter-mobile;
  }

  @keyframes serum-core-enter-mobile {
    from { opacity: 0; transform: translate(-50%, 10px) scale(.965); }
    to { opacity: 1; transform: translate(-50%, 0) scale(1); }
  }
}

@media (prefers-reduced-motion: reduce) {
  .serum-verification-core,
  .serum-apple .serum-system-layout .serum-web-cards li {
    animation: none !important;
    transition: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .serum-web.in .serum-web-cards li {
    animation: serum-well-rise .7s calc(var(--series-index) * 65ms) both cubic-bezier(.16, 1, .3, 1);
  }

  .serum-web.in .serum-proof-mark::before {
    animation: serum-proof-orbit 24s linear infinite;
  }

  .serum-lab-head em i {
    animation: serum-status-pulse 2.8s ease-in-out infinite;
  }

  @keyframes serum-well-rise {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes serum-proof-orbit {
    to { transform: rotate(360deg); }
  }

  @keyframes serum-status-pulse {
    50% { box-shadow: 0 0 0 7px rgba(85, 200, 167, 0); }
  }
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .serum-apple .serum-web,
  .serum-web-lab,
  .serum-apple .serum-web-cards li,
  .serum-apple .serum-web-trust {
    background: #f6fbff;
  }
}

@media (prefers-reduced-motion: reduce) {
  .serum-apple .serum-web-cards li,
  .serum-apple .serum-web-icon,
  .serum-apple .serum-web-icon::after,
  .serum-proof-mark::before,
  .serum-lab-head em i {
    animation: none;
    transition: none;
  }
}

/*
 * Apple-inspired quality refinement
 * Fewer nested outlines, calmer materials, stronger typography and one
 * continuous grouped surface for the six samples.
 */
.serum-apple .serum-overview-web,
.serum-apple .serum-web {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.serum-apple .serum-overview-web::before {
  background:
    radial-gradient(720px 560px at 98% 6%, rgba(0, 113, 227, .09), transparent 72%),
    radial-gradient(620px 500px at 0 76%, rgba(90, 176, 214, .06), transparent 74%),
    linear-gradient(180deg, #f6f8fa 0%, #edf3f7 100%);
}

.serum-apple .serum-web {
  border-color: rgba(255, 255, 255, .92);
  border-radius: 44px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, .9), rgba(249, 251, 253, .76));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 34px 76px -48px rgba(20, 49, 77, .32),
    0 12px 34px -28px rgba(28, 68, 104, .16);
  -webkit-backdrop-filter: blur(34px) saturate(108%);
  backdrop-filter: blur(34px) saturate(108%);
}

.serum-apple .serum-web::before {
  inset: 14px;
  border-color: rgba(255, 255, 255, .5);
  border-radius: 32px;
}

.serum-apple .serum-web::after {
  display: none;
}

.serum-apple .serum-web-intro h2 {
  color: #152b46;
  font-weight: 600;
  letter-spacing: -.062em;
}

.serum-apple .serum-web-intro h2 span {
  color: #1671d2;
}

.serum-apple .serum-web-intro > p {
  color: #6e7781;
  font-size: 16px;
  line-height: 1.68;
}

.serum-apple .serum-web-intro .iso-eyebrow {
  color: #3978b8;
  font-size: 9px;
  letter-spacing: .16em;
}

.serum-proof-mark {
  width: 118px;
  height: 118px;
  flex-basis: 118px;
  border-color: rgba(0, 95, 185, .11);
  background: linear-gradient(145deg, rgba(255, 255, 255, .96), rgba(229, 241, 251, .74));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 16px 34px -25px rgba(24, 87, 146, .4);
}

.serum-proof-mark::before {
  background: conic-gradient(from 18deg, #7eb6e7 0 18%, transparent 18% 42%, rgba(65, 132, 197, .28) 42% 72%, transparent 72% 88%, #7eb6e7 88% 100%);
}

.serum-web.in .serum-proof-mark::before {
  animation: none;
}

.serum-proof-copy b {
  color: #213b58;
  font-weight: 600;
}

.serum-proof-copy span {
  color: #3974b1;
}

.serum-proof-copy small {
  color: #86868b;
}

.serum-web-lab {
  padding: 20px;
  border-color: rgba(20, 55, 88, .045);
  border-radius: 30px;
  background: rgba(255, 255, 255, .61);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .94),
    0 20px 46px -34px rgba(23, 65, 104, .3);
  -webkit-backdrop-filter: blur(24px) saturate(106%);
  backdrop-filter: blur(24px) saturate(106%);
}

.serum-web-lab::before {
  display: none;
}

.serum-lab-head {
  min-height: 42px;
  margin: 0 2px 16px;
  padding: 0 2px 15px;
  border-bottom-color: rgba(20, 52, 82, .075);
}

.serum-lab-head > span {
  color: #4775a4;
  font-size: 8px;
}

.serum-lab-head em {
  color: #7d858f;
}

.serum-apple .serum-web-cards {
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(20, 52, 82, .045);
  border-radius: 22px;
  background: rgba(35, 73, 109, .065);
}

.serum-apple .serum-web-cards li {
  min-height: 240px;
  padding: 19px 18px 16px;
  border: 0;
  border-radius: 0;
  background: rgba(255, 255, 255, .7);
  box-shadow: none;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  transition: background .32s ease, box-shadow .32s ease;
}

.serum-apple .serum-web-cards li::before,
.serum-apple .serum-web-cards li::after {
  display: none;
}

.serum-apple .serum-web-cards li:hover {
  transform: none;
  border-color: transparent;
  background: rgba(255, 255, 255, .94);
  box-shadow: inset 0 0 0 1px rgba(0, 113, 227, .055);
}

.serum-apple .serum-web-icon {
  width: 68px;
  height: 68px;
  flex-basis: 68px;
  border: 1px solid rgba(0, 98, 190, .09);
  background: linear-gradient(145deg, rgba(252, 254, 255, .98), rgba(198, 227, 248, .78));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 12px 24px -18px rgba(23, 93, 154, .44);
}

.serum-apple .serum-web-icon::before {
  inset: 5px;
  border-color: rgba(0, 104, 199, .09);
  background: linear-gradient(145deg, rgba(255, 255, 255, .98), rgba(219, 237, 251, .8));
  box-shadow: inset 0 1px 0 #fff;
}

.serum-apple .serum-web-icon::after {
  inset: 15px;
  border-color: rgba(101, 145, 177, .11);
  background:
    radial-gradient(circle at 35% 28%, rgba(255, 255, 255, .98), rgba(255, 248, 223, .7) 21%, rgba(225, 205, 155, .18) 46%, rgba(144, 194, 226, .16) 100%);
  box-shadow:
    inset 0 2px 6px rgba(255, 255, 255, .72),
    0 4px 10px rgba(41, 105, 158, .07);
}

.serum-apple .serum-web-cards li:hover .serum-web-icon {
  transform: translateY(-2px) scale(1.025);
  filter: none;
}

.serum-apple .serum-web-cards li:hover .serum-web-icon::after {
  transform: none;
  box-shadow:
    inset 0 2px 6px rgba(255, 255, 255, .78),
    0 6px 12px rgba(41, 105, 158, .09);
}

.serum-apple .serum-series-code em {
  color: #3175b8;
  font-size: 22px;
  font-weight: 540;
}

.serum-series-code small {
  color: #8a919a;
  font-weight: 650;
}

.serum-apple .serum-web-cards h3 {
  margin-top: 17px;
  color: #19334f;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.024em;
}

.serum-apple .serum-web-cards p {
  color: #727c87;
  font-size: 12px;
  line-height: 1.62;
}

.serum-series-state {
  color: #8a9199;
  font-weight: 650;
}

.serum-apple .serum-web-trust {
  border-color: rgba(20, 52, 82, .045);
  border-radius: 20px;
  background: rgba(255, 255, 255, .7);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .98),
    0 16px 36px -31px rgba(24, 62, 96, .24);
}

.serum-apple .serum-web-trust::before {
  display: none;
}

.serum-apple .serum-web-trust article {
  gap: 14px;
  padding: 19px 24px;
}

.serum-apple .serum-web-trust article + article {
  border-left-color: rgba(20, 52, 82, .075);
}

.serum-apple .serum-web-trust article > span {
  width: 38px;
  height: 38px;
  flex-basis: 38px;
  border-color: rgba(0, 113, 227, .08);
  background: #f0f7ff;
  color: #1671d2;
  box-shadow: none;
}

.serum-apple .serum-web-trust b {
  color: #273f59;
  font-size: 14px;
  font-weight: 600;
}

.serum-apple .serum-web-trust small {
  color: #86868b;
  font-size: 11px;
}

@media (max-width: 760px) {
  .serum-apple .serum-web {
    border-radius: 30px;
  }

  .serum-apple .serum-web::before {
    border-radius: 22px;
  }

  .serum-web-lab {
    padding: 14px;
    border-radius: 24px;
  }

  .serum-apple .serum-web-cards {
    gap: 1px;
    border-radius: 18px;
  }

  .serum-apple .serum-web-cards li {
    min-height: 229px;
    padding: 15px 14px 13px;
  }

  .serum-apple .serum-web-cards h3 {
    font-size: 14px;
  }

  .serum-apple .serum-web-cards p {
    font-size: 10.5px;
  }
}

@media (max-width: 430px) {
  .serum-web-lab {
    padding: 11px;
  }

  .serum-apple .serum-web-cards {
    gap: 1px;
  }

  .serum-apple .serum-web-cards li {
    min-height: 236px;
    padding: 13px 11px 12px;
  }

  .serum-apple .serum-web-icon {
    width: 53px;
    height: 53px;
    flex-basis: 53px;
  }

  .serum-apple .serum-web-icon::after {
    inset: 12px;
  }

  .serum-apple .serum-web-cards h3 {
    font-size: 13px;
  }

  .serum-apple .serum-web-cards p {
    font-size: 10px;
  }
}

/* v3 final cascade: keep the wide-screen hierarchy after legacy refinements. */
.serum-apple .serum-web-cards li {
  min-height: 334px;
  padding: 28px 28px 23px;
}

.serum-apple .serum-web-icon {
  width: 88px;
  height: 88px;
  flex-basis: 88px;
}

.serum-apple .serum-web-icon::before {
  inset: 7px;
}

.serum-apple .serum-web-icon::after {
  inset: 20px;
}

.serum-apple .serum-web-icon b {
  font-size: 24px;
}

.serum-apple .serum-series-code em {
  font-size: 33px;
}

.serum-apple .serum-series-code small {
  font-size: 10px;
}

.serum-apple .serum-web-cards h3 {
  margin-top: 26px;
  margin-bottom: 12px;
  font-size: clamp(18px, 1.15vw, 24px);
  line-height: 1.35;
}

.serum-apple .serum-web-cards p {
  max-width: 19em;
  font-size: clamp(13px, .85vw, 16px);
  line-height: 1.7;
}

.serum-apple .serum-series-state {
  font-size: 9px;
  letter-spacing: .14em;
}

.serum-apple .serum-web-trust {
  min-height: 106px;
}

.serum-apple .serum-web-trust article {
  gap: 17px;
  padding: 25px 30px;
}

.serum-apple .serum-web-trust article > span {
  width: 48px;
  height: 48px;
  flex-basis: 48px;
}

.serum-apple .serum-web-trust b {
  font-size: 16px;
}

.serum-apple .serum-web-trust small {
  margin-top: 4px;
  font-size: 12px;
}

@media (max-width: 1439px) {
  .serum-apple .serum-web-cards li {
    min-height: 250px;
    padding: 20px 18px 17px;
  }

  .serum-apple .serum-web-icon {
    width: 70px;
    height: 70px;
    flex-basis: 70px;
  }

  .serum-apple .serum-web-icon::before {
    inset: 6px;
  }

  .serum-apple .serum-web-icon::after {
    inset: 16px;
  }

  .serum-apple .serum-web-icon b {
    font-size: 20px;
  }

  .serum-apple .serum-series-code em {
    font-size: 25px;
  }

  .serum-apple .serum-series-code small {
    font-size: 8px;
  }

  .serum-apple .serum-web-cards h3 {
    margin-top: 20px;
    font-size: 16px;
  }

  .serum-apple .serum-web-cards p {
    font-size: 12px;
  }

  .serum-apple .serum-series-state {
    font-size: 8px;
    letter-spacing: .1em;
  }

  .serum-apple .serum-web-trust {
    min-height: 0;
  }

  .serum-apple .serum-web-trust article {
    padding: 18px 22px;
  }

  .serum-apple .serum-web-trust article > span {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .serum-apple .serum-web-trust b {
    font-size: 14px;
  }

  .serum-apple .serum-web-trust small {
    font-size: 11px;
  }
}

@media (max-width: 360px) {
  .serum-apple .serum-system-layout .serum-web-cards {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .serum-apple .serum-system-layout .serum-web-cards li,
  .serum-apple .serum-system-layout .serum-web-cards li:nth-child(n) {
    height: 164px;
    min-height: 164px;
    padding: 13px 14px 12px;
  }

  .serum-apple .serum-system-layout .serum-web-cards h3 {
    margin-top: 10px;
    font-size: 14px;
  }

  .serum-apple .serum-system-layout .serum-web-cards p {
    font-size: 10px;
    -webkit-line-clamp: 2;
  }

  .serum-apple #panel-catalog .iso-section-head h2 {
    font-size: 32px;
    line-height: 1.1;
    white-space: nowrap;
  }
}

@media (max-width: 760px) {
  .serum-apple .serum-sample-head {
    gap: 4px;
  }

  .serum-apple .serum-series-code {
    flex: 1 1 auto;
  }

  .serum-apple .serum-series-code small {
    width: 100%;
    max-width: 50px;
    font-size: 6px;
    letter-spacing: .05em;
  }

  .serum-apple .serum-web-cards li {
    min-height: 230px;
    padding: 15px 13px 13px;
  }

  .serum-apple .serum-web-icon {
    width: 55px;
    height: 55px;
    flex-basis: 55px;
  }

  .serum-apple .serum-web-icon::before {
    inset: 5px;
  }

  .serum-apple .serum-web-icon::after {
    inset: 13px;
  }

  .serum-apple .serum-web-icon b {
    font-size: 18px;
  }

  .serum-apple .serum-series-code em {
    font-size: 22px;
  }

  .serum-apple .serum-series-code small {
    max-width: 76px;
    font-size: 7px;
  }

  .serum-apple .serum-web-cards h3 {
    margin-top: 17px;
    margin-bottom: 8px;
    font-size: 13px;
  }

  .serum-apple .serum-web-cards p {
    font-size: 10.5px;
  }

  .serum-apple .serum-series-state {
    font-size: 7px;
    letter-spacing: .08em;
  }

  .serum-apple .serum-web-trust article {
    gap: 12px;
    padding: 15px 16px;
  }

  .serum-apple .serum-web-trust b {
    font-size: 13px;
  }

  .serum-apple .serum-web-trust small {
    font-size: 10px;
  }
}

/* 2026-08-13 · 血清盘主卡片浅绿化
 * 把原本偏白的大卡片、六宫格和价值栏换成三层低饱和薄荷绿，
 * 保留蓝色标题与图标作为信息色，避免整张图发青或发脏。 */
.serum-apple .serum-web {
  border-color: rgba(255, 255, 255, .88);
  background:
    radial-gradient(circle at 83% 14%, rgba(102, 160, 220, .075), transparent 29%),
    radial-gradient(circle at 8% 88%, rgba(76, 166, 122, .1), transparent 31%),
    linear-gradient(145deg, rgba(238, 249, 243, .96), rgba(226, 242, 234, .92));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .96),
    0 34px 76px -48px rgba(27, 85, 60, .3),
    0 12px 34px -28px rgba(31, 93, 67, .16);
}

.serum-apple .serum-web::before {
  border-color: rgba(65, 135, 101, .12);
}

.serum-apple .serum-web-lab {
  border-color: rgba(47, 119, 85, .095);
  background: rgba(239, 249, 244, .72);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .82),
    0 20px 46px -34px rgba(26, 91, 62, .26);
}

.serum-apple .serum-web-cards {
  border-color: rgba(42, 108, 78, .085);
  background: rgba(39, 108, 77, .085);
}

.serum-apple .serum-web-cards li {
  background:
    radial-gradient(circle at 10% 3%, rgba(255, 255, 255, .55), transparent 30%),
    rgba(244, 251, 247, .82);
}

.serum-apple .serum-web-cards li:hover {
  background:
    radial-gradient(circle at 10% 3%, rgba(255, 255, 255, .78), transparent 30%),
    rgba(249, 253, 251, .94);
  box-shadow: inset 0 0 0 1px rgba(32, 120, 81, .075);
}

.serum-apple .serum-web-trust {
  border-color: rgba(45, 116, 82, .1);
  background:
    linear-gradient(118deg, rgba(240, 250, 245, .92), rgba(229, 244, 236, .8));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .82),
    0 16px 36px -31px rgba(26, 88, 61, .26);
}

.serum-apple .serum-web-trust article + article {
  border-left-color: rgba(43, 109, 79, .1);
}

/* 取消主卡片上方的页面分隔线，保留卡片内部的信息结构线。 */
.serum-apple .iso-section {
  border-top: 0;
}

/* 同时去掉总览区域自身的全宽背景装饰线，使顶部只剩留清爽的色块过渡。 */
.serum-apple .serum-overview-web::before {
  display: none;
}

@media (max-width: 760px) {
  .serum-apple .serum-web-trust article + article {
    border-top-color: rgba(43, 109, 79, .1);
  }
}

/* 2026-08-14 · 立体材质精修
 * 保留低饱和薄荷绿基调，只拉开“总卡片 / 检测舱 / 内容格”三层的
 * 明暗与边缘关系，让这一屏更像一件精密的实验室设备，而不是一张
 * 平铺的信息图。阴影刻意控制在短距离和低对比，保证品质感。 */
.serum-apple .serum-web {
  border-color: rgba(255, 255, 255, .96);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .58), transparent 22%),
    radial-gradient(circle at 86% 12%, rgba(112, 190, 224, .08), transparent 25%),
    radial-gradient(circle at 7% 91%, rgba(58, 151, 103, .13), transparent 34%),
    linear-gradient(148deg, rgba(240, 250, 244, .98), rgba(221, 240, 228, .94));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .99),
    inset 0 -18px 34px rgba(46, 124, 81, .065),
    0 3px 0 rgba(255, 255, 255, .7),
    0 38px 82px -47px rgba(29, 91, 62, .38),
    0 14px 34px -27px rgba(34, 105, 70, .18);
  transform: translateZ(0);
}

.serum-apple .serum-web::before {
  border-color: rgba(52, 132, 91, .14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .68);
}

.serum-apple .serum-web::after {
  right: -8%;
  bottom: -27%;
  width: 68%;
  background: radial-gradient(ellipse at center, rgba(65, 156, 104, .13), transparent 68%);
  filter: blur(26px);
}

.serum-apple .serum-web-lab {
  border-color: rgba(47, 125, 84, .16);
  background:
    radial-gradient(circle at 9% 0%, rgba(255, 255, 255, .76), transparent 26%),
    radial-gradient(circle at 50% 100%, rgba(53, 145, 92, .11), transparent 55%),
    linear-gradient(145deg, rgba(251, 255, 252, .88), rgba(218, 239, 225, .78));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .98),
    inset 0 -18px 30px rgba(46, 126, 80, .075),
    0 2px 0 rgba(255, 255, 255, .52),
    0 24px 48px -33px rgba(30, 99, 64, .42);
}

.serum-apple .serum-web-lab::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 10px;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: 22px;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, .18), transparent 32% 68%, rgba(42, 132, 83, .035)),
    linear-gradient(180deg, transparent 68%, rgba(40, 124, 77, .045));
  pointer-events: none;
}

.serum-apple .serum-web-cards {
  border-color: rgba(43, 119, 77, .14);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .34), rgba(58, 136, 88, .105)),
    rgba(44, 123, 78, .08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .84),
    inset 0 -10px 18px rgba(44, 120, 76, .06),
    0 15px 27px -25px rgba(28, 94, 59, .28);
}

.serum-apple .serum-web-cards li {
  border-color: rgba(54, 129, 86, .13);
  background:
    radial-gradient(circle at 11% 3%, rgba(255, 255, 255, .9), transparent 32%),
    linear-gradient(145deg, rgba(255, 255, 255, .92), rgba(240, 249, 243, .86) 55%, rgba(220, 239, 226, .8));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .98),
    inset 8px 10px 20px rgba(255, 255, 255, .1),
    inset -11px -17px 25px rgba(43, 126, 78, .065),
    0 17px 31px -27px rgba(31, 99, 63, .4);
}

.serum-apple .serum-web-cards li::before {
  background:
    radial-gradient(circle at 34% 30%, rgba(255, 255, 255, .52), transparent 25%),
    radial-gradient(circle, rgba(87, 172, 116, .13), transparent 69%);
}

.serum-apple .serum-web-cards li:hover {
  border-color: rgba(255, 255, 255, .98);
  background:
    radial-gradient(circle at 11% 3%, rgba(255, 255, 255, .98), transparent 34%),
    linear-gradient(145deg, rgba(255, 255, 255, .98), rgba(241, 251, 245, .94) 58%, rgba(222, 242, 229, .87));
  box-shadow:
    inset 0 1px 0 #fff,
    inset -10px -16px 23px rgba(41, 127, 78, .06),
    0 27px 46px -31px rgba(27, 94, 58, .5);
}

.serum-apple .serum-web-icon {
  background: conic-gradient(from 28deg, rgba(106, 182, 221, .76), rgba(255, 255, 255, .92), rgba(87, 166, 211, .38), rgba(255, 255, 255, .94), rgba(106, 182, 221, .76));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .98),
    0 0 0 1px rgba(255, 255, 255, .84),
    0 13px 22px -16px rgba(34, 114, 164, .65);
}

.serum-apple .serum-web-icon::before {
  background:
    radial-gradient(circle at 31% 22%, rgba(255, 255, 255, .98), transparent 25%),
    linear-gradient(145deg, rgba(241, 251, 246, .98), rgba(191, 226, 204, .82));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -10px 17px rgba(47, 132, 84, .08),
    0 2px 0 rgba(255, 255, 255, .48);
}

.serum-apple .serum-web-icon::after {
  background:
    radial-gradient(circle at 31% 22%, rgba(255, 255, 255, .98), rgba(255, 247, 218, .78) 19%, rgba(228, 246, 235, .9) 52%, rgba(125, 190, 153, .28) 100%);
  box-shadow:
    inset 0 3px 8px rgba(255, 255, 255, .72),
    inset -3px -5px 10px rgba(39, 124, 77, .1),
    0 7px 14px rgba(42, 117, 81, .12);
}

.serum-apple .serum-web-trust {
  border-color: rgba(51, 126, 83, .14);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .84), transparent 28%),
    linear-gradient(118deg, rgba(239, 250, 244, .96), rgba(216, 238, 223, .84));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .98),
    inset 0 -10px 17px rgba(43, 126, 78, .06),
    0 19px 38px -30px rgba(29, 93, 59, .38);
}

.serum-apple .serum-web-trust article > span {
  border-color: rgba(54, 132, 88, .15);
  background: linear-gradient(145deg, rgba(255, 255, 255, .98), rgba(218, 242, 226, .86));
  box-shadow:
    inset 0 1px 0 #fff,
    inset 0 -6px 10px rgba(41, 124, 77, .08),
    0 6px 11px -8px rgba(31, 103, 65, .34);
}

@media (max-width: 760px) {
  .serum-apple .serum-web-lab::after {
    inset: 8px;
    border-radius: 17px;
  }
}

/* 2026-08-14 · 去除血清盘目录区冷灰过渡 */
.serum-apple #panel-catalog::before {
  background: #fff;
}

/* 2026-08-14 · 去掉六大系列圆形按钮的蓝色调
 * 保留玻璃与金属的立体层次，把冷蓝高光收敛为柔和薄荷绿，
 * 让按钮与血清盘整体的品质绿保持同一套视觉语言。 */
.serum-apple .serum-web-icon {
  background: conic-gradient(
    from 28deg,
    rgba(112, 174, 136, .58),
    rgba(255, 255, 255, .94),
    rgba(136, 190, 155, .32),
    rgba(255, 255, 255, .96),
    rgba(112, 174, 136, .58)
  );
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .99),
    0 0 0 1px rgba(255, 255, 255, .86),
    0 13px 22px -16px rgba(44, 113, 73, .46);
}

.serum-apple .serum-web-icon::before {
  border-color: rgba(73, 139, 96, .14);
  background:
    radial-gradient(circle at 31% 22%, rgba(255, 255, 255, .98), transparent 25%),
    linear-gradient(145deg, rgba(249, 255, 251, .98), rgba(207, 232, 214, .84));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -10px 17px rgba(47, 132, 84, .075),
    0 2px 0 rgba(255, 255, 255, .5);
}

.serum-apple .serum-web-icon::after {
  border-color: rgba(93, 145, 107, .14);
  background:
    radial-gradient(circle at 31% 22%, rgba(255, 255, 255, .98), rgba(255, 248, 223, .78) 19%, rgba(226, 241, 229, .92) 52%, rgba(143, 192, 155, .3) 100%);
  box-shadow:
    inset 0 3px 8px rgba(255, 255, 255, .74),
    inset -3px -5px 10px rgba(39, 124, 77, .1),
    0 7px 14px rgba(42, 117, 81, .13);
}

.serum-apple .serum-web-icon b {
  color: #245d46;
  text-shadow: 0 1px 0 rgba(255, 255, 255, .84);
}

.serum-apple .serum-web-cards li:hover .serum-web-icon {
  filter: saturate(1.02) brightness(1.02);
}

.serum-apple .serum-web-cards li:hover .serum-web-icon::after {
  box-shadow:
    inset 0 3px 8px rgba(255, 255, 255, .78),
    0 7px 16px rgba(42, 117, 81, .16);
}

/* 2026-08-14 · 六大系列按钮单圈化
 * 每个系列只保留一个干净圆面与中心字标，去掉重复的内外环，
 * 用一层克制的渐变和短阴影维持精密、轻量的质感。 */
.serum-apple .serum-web-icon {
  border: 1px solid rgba(54, 124, 82, .22);
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, .98), transparent 34%),
    linear-gradient(145deg, #f8fdf9 0%, #d2ead9 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .98),
    inset 0 -10px 17px rgba(38, 119, 73, .08),
    0 12px 22px -16px rgba(28, 93, 56, .38);
}

.serum-apple .serum-web-icon::before,
.serum-apple .serum-web-icon::after {
  display: none;
  content: none;
}

.serum-apple .serum-web-icon b {
  color: #215b43;
  text-shadow: 0 1px 0 rgba(255, 255, 255, .88);
}

.serum-apple .serum-web-cards li:hover .serum-web-icon {
  filter: none;
  transform: translateY(-2px) scale(1.02);
}

/* ══════════════════════════════════════════════════════════
   2026-08-15 · 血清盘品质增强
   ① 悬停动效：卡片轻抬 + 斜向光泽扫过 + 圆形图标上浮
   ② 背景氛围光：主卡片背后漂浮柔和光斑，缓慢漂移
   ③ 图标质感：更精致的玻璃高光与描边
   ④ 滚动入场：卡片与价值栏依次淡入上浮（配合 script.js）
   ══════════════════════════════════════════════════════════ */

/* ② 背景氛围光（主卡片背后漂浮光斑，缓慢漂移） */
.serum-apple .serum-overview-web::before{
  display:block !important;
  content:"" !important;
  position:absolute !important;
  inset:0 !important;
  z-index:0 !important;
  pointer-events:none !important;
  background:
    radial-gradient(760px 620px at 5% 42%, rgba(178, 220, 200, .52), transparent 70%),
    radial-gradient(620px 540px at 96% 6%, rgba(160, 206, 238, .5), transparent 68%),
    radial-gradient(480px 420px at 78% 88%, rgba(150, 208, 178, .34), transparent 66%),
    linear-gradient(145deg, #f4faf6 0%, #eaf4ee 54%, #e6f1ea 100%) !important;
  animation:serum-aura-drift 18s ease-in-out infinite !important;
}
.serum-apple .serum-overview-web .serum-web{
  z-index:1 !important;
}
@keyframes serum-aura-drift{
  0%, 100%{ transform:translate3d(0, 0, 0) scale(1); }
  33%{ transform:translate3d(-26px, 18px, 0) scale(1.05); }
  66%{ transform:translate3d(22px, -14px, 0) scale(.97); }
}

/* ① 悬停动效：卡片轻抬 */
.serum-apple .serum-web-cards li{
  transition:transform .5s cubic-bezier(.16, 1, .3, 1), background .4s ease, box-shadow .5s ease !important;
}
.serum-apple .serum-web-cards li:hover{
  transform:translateY(-6px) !important;
}

/* ① 悬停动效：斜向光泽扫过 */
.serum-apple .serum-web-cards li::after{
  content:"" !important;
  display:block !important;
  position:absolute !important;
  top:-30% !important;
  left:-85% !important;
  right:auto !important;
  bottom:auto !important;
  width:55% !important;
  height:160% !important;
  z-index:2 !important;
  pointer-events:none !important;
  transform:skewX(-20deg) !important;
  background:linear-gradient(100deg, transparent 0%, rgba(255, 255, 255, .5) 50%, transparent 100%) !important;
  opacity:0 !important;
  transition:left .8s ease, opacity .4s ease !important;
}
.serum-apple .serum-web-cards li:hover::after{
  left:130% !important;
  opacity:1 !important;
}

/* ① 悬停动效：圆形图标上浮 */
.serum-apple .serum-web-cards li:hover .serum-web-icon{
  transform:translateY(-4px) scale(1.04) !important;
}

/* ③ 图标质感升级：更精致的玻璃高光与描边 */
.serum-apple .serum-web-icon{
  border-color:rgba(52, 122, 80, .26) !important;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, .99), rgba(224, 243, 231, .5) 28%, transparent 46%),
    radial-gradient(circle at 72% 84%, rgba(112, 186, 142, .22), transparent 55%),
    linear-gradient(150deg, #fbfefc 0%, #d7ecdd 52%, #c2e2cd 100%) !important;
  box-shadow:
    inset 0 2px 3px rgba(255, 255, 255, .98),
    inset 0 -12px 20px rgba(40, 120, 74, .1),
    0 1px 0 rgba(255, 255, 255, .7),
    0 0 0 1px rgba(255, 255, 255, .55),
    0 15px 28px -16px rgba(28, 93, 56, .42) !important;
}
.serum-apple .serum-web-icon b{
  color:#205a42 !important;
  text-shadow:0 1px 0 rgba(255, 255, 255, .92), 0 0 14px rgba(120, 200, 155, .35) !important;
}

/* ④ 滚动入场动效（初始隐藏由 JS 加 .serum-anim 触发，无 JS 时正常显示） */
@keyframes serumRiseIn{
  from{ opacity:0; transform:translateY(28px); }
  to{ opacity:1; transform:translateY(0); }
}
.serum-apple.serum-anim .serum-web-cards li,
.serum-apple.serum-anim .serum-web-trust article{
  opacity:0;
}
.serum-apple.serum-anim .serum-web-cards li.serum-in,
.serum-apple.serum-anim .serum-web-trust article.serum-in{
  opacity:1;
  animation:serumRiseIn .7s cubic-bezier(.16, 1, .3, 1) backwards;
}
.serum-apple .serum-web-cards li:nth-child(1).serum-in{ animation-delay:0ms; }
.serum-apple .serum-web-cards li:nth-child(2).serum-in{ animation-delay:70ms; }
.serum-apple .serum-web-cards li:nth-child(3).serum-in{ animation-delay:140ms; }
.serum-apple .serum-web-cards li:nth-child(4).serum-in{ animation-delay:210ms; }
.serum-apple .serum-web-cards li:nth-child(5).serum-in{ animation-delay:280ms; }
.serum-apple .serum-web-cards li:nth-child(6).serum-in{ animation-delay:350ms; }
.serum-apple .serum-web-trust article:nth-child(1).serum-in{ animation-delay:0ms; }
.serum-apple .serum-web-trust article:nth-child(2).serum-in{ animation-delay:80ms; }
.serum-apple .serum-web-trust article:nth-child(3).serum-in{ animation-delay:160ms; }

/* 尊重系统“减弱动态效果”设置 */
@media (prefers-reduced-motion: reduce){
  .serum-apple .serum-overview-web::before{ animation:none !important; }
  .serum-apple.serum-anim .serum-web-cards li,
  .serum-apple.serum-anim .serum-web-trust article{ opacity:1 !important; }
  .serum-apple .serum-web-cards li::after{ transition:none !important; }
  .serum-apple .serum-web-cards li:hover{ transform:none !important; }
}

/* 2026-08-16 · 头图与首段内容直接衔接，移除多余的顶部空白。 */
.serum-apple .iso-page{
  padding-top:96px !important;
  /* 目录区结束后直接衔接页脚，避免露出页面默认的灰色留白底。 */
  padding-bottom:0 !important;
}

@media (max-width: 760px) {
  .serum-apple .iso-page {
    padding-top:64px !important;
  }
}

/* 2026-08-18 · 血清盘页面使用淡灰底，保留白色内容卡片层次。 */
body.sd-soft.serum-apple{
  background:#f5f6f7 !important;
}
.serum-apple .serum-overview-web::before{
  display:none !important;
  content:none !important;
  background:none !important;
  animation:none !important;
}

/* 移除总览大卡片内外的白色描边，保留圆角与阴影。 */
.serum-apple .serum-web {
  border: 0 !important;
  box-shadow:
    inset 0 -1px 0 rgba(99, 135, 171, .055),
    0 48px 110px -65px rgba(28, 77, 126, .48),
    0 18px 50px -38px rgba(32, 82, 132, .26) !important;
}

.serum-apple .serum-web::before {
  border: 0 !important;
}

/* 2026-08-18 · 让内容留白区域继承页面淡灰底，白色仅用于信息卡片。 */
body.sd-soft.serum-apple main.iso-page,
body.sd-soft.serum-apple .iso-intro,
body.sd-soft.serum-apple .iso-section {
  background: #f5f6f7 !important;
}

body.sd-soft.serum-apple .serum-web,
body.sd-soft.serum-apple .serum-category {
  background-color: #fff;
}

/* 2026-08-18 · 血清盘分类与项目：薄荷绿信息卡片
 * 以“服务入口”参考图的低对比浅绿玻璃质感重绘目录区。
 * 首项维持横向摘要，后三项维持项目清单，方便实验室快速按验证目的定位。 */
.serum-apple #panel-catalog {
  --catalog-ink: #173a31;
  --catalog-copy: #637a70;
  --catalog-green: #197d56;
  --catalog-green-bright: #3bb481;
  --catalog-surface: rgba(242, 255, 249, .72);
  --catalog-line: rgba(255, 255, 255, .9);
  border-top: 0;
}

.serum-apple #panel-catalog::before {
  background:
    radial-gradient(900px 510px at 7% 8%, rgba(255, 255, 255, .86), transparent 56%),
    radial-gradient(700px 510px at 94% 88%, rgba(139, 232, 191, .18), transparent 63%),
    linear-gradient(135deg, #e8faf3 0%, #e2f7ef 52%, #dcf4eb 100%);
}

.serum-apple #panel-catalog .iso-section-head h2 {
  color: var(--catalog-ink);
}

.serum-apple #panel-catalog .iso-section-head p {
  color: var(--catalog-copy);
}

.serum-apple .serum-catalog {
  gap: 22px;
}

.serum-apple .serum-category {
  overflow: hidden;
  border: 1px solid var(--catalog-line);
  border-radius: 31px;
  background: #f2fcf8 !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .96),
    inset 0 -1px 0 rgba(80, 161, 120, .07),
    0 29px 54px -42px rgba(22, 103, 68, .27),
    0 12px 24px -22px rgba(31, 117, 78, .18);
  -webkit-backdrop-filter: blur(18px) saturate(106%);
  backdrop-filter: blur(18px) saturate(106%);
}

.serum-apple .serum-category::after {
  display: none;
}

.serum-apple .serum-category:hover {
  border-color: rgba(255, 255, 255, .98);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -1px 0 rgba(80, 161, 120, .1),
    0 37px 62px -42px rgba(15, 99, 62, .34),
    0 18px 32px -26px rgba(31, 117, 78, .22);
}

.serum-apple .serum-category:first-child .serum-category-title,
.serum-apple .serum-category-title {
  border-color: rgba(37, 117, 78, .12);
}

.serum-apple .serum-category-title span {
  color: var(--catalog-green);
}

.serum-apple .serum-category-title h3 {
  color: var(--catalog-ink);
}

.serum-apple .serum-category-title em {
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, .78);
  background: rgba(205, 248, 223, .76);
  color: var(--catalog-green);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .68);
}

.serum-apple .serum-category li {
  color: var(--catalog-copy);
}

.serum-apple .serum-category li::before {
  background: var(--catalog-green-bright);
  box-shadow: 0 0 0 3px rgba(59, 180, 129, .08);
}

@media (max-width: 760px) {
  .serum-apple .serum-catalog {
    gap: 16px;
  }

  .serum-apple .serum-category {
    border-radius: 25px;
  }
}

/* 2026-08-18 · 服务价值卡片改为纯色卡面，去除玻璃渐变。 */
.serum-apple .serum-web-trust {
  background: #effaf4;
}

.serum-apple .serum-web-trust article > span {
  background: #eef8f1;
}

/* 2026-08-18 · 六大验证系列：项目卡与圆形标识改为纯色，去掉全部渐变和扫光。 */
.serum-apple .serum-web-cards li,
.serum-apple .serum-web-cards li:hover {
  background: #eff8f2 !important;
}

.serum-apple .serum-web-cards li::before,
.serum-apple .serum-web-cards li::after {
  display: none !important;
  content: none !important;
}

.serum-apple .serum-web-icon {
  background: #dcefe2 !important;
}

.serum-apple .serum-web-icon b {
  text-shadow: none !important;
}