.page-contact {
  background:
    radial-gradient(1100px 460px at 84% -10%, rgba(53, 224, 208, 0.1), transparent 68%),
    linear-gradient(180deg, var(--deep), var(--abyss) 62%);
  color: var(--foam);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-contact .pc-hero {
  position: relative;
  border-bottom: 1px solid rgba(31, 110, 156, 0.45);
  background: linear-gradient(180deg, rgba(6, 26, 47, 0.92), rgba(11, 46, 79, 0.55));
}

.page-contact .pc-hero__inner {
  padding-block: clamp(20px, 4vw, 40px) clamp(22px, 3.6vw, 34px);
}

.page-contact .pc-hero__title {
  font-size: clamp(29px, 6vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  max-width: 15em;
  font-weight: 800;
}

.page-contact .pc-hero__lead {
  margin: 0 0 22px;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(242, 247, 249, 0.82);
}

.page-contact .pc-hero__figure {
  position: relative;
  margin: 0;
  line-height: 0;
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  height: clamp(150px, 28vw, 300px);
  object-fit: cover;
  filter: saturate(0.7) contrast(1.06);
}

.page-contact .pc-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 46, 79, 0.85), rgba(11, 46, 79, 0) 42%),
    linear-gradient(90deg, rgba(6, 26, 47, 0.7), rgba(6, 26, 47, 0.08) 52%, rgba(6, 26, 47, 0.72));
  pointer-events: none;
}

/* 章节头 */
.page-contact .pc-head {
  margin-bottom: clamp(18px, 3vw, 28px);
  max-width: 46em;
}

.page-contact .pc-head__title {
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  margin: 8px 0 10px;
  font-weight: 800;
}

.page-contact .pc-head__sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 247, 249, 0.7);
}

/* 01 三分流卡片 */
.page-contact .pc-split {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .pc-split__card {
  position: relative;
  background: linear-gradient(165deg, rgba(20, 71, 111, 0.95), rgba(11, 46, 79, 0.95));
  border: 1px solid rgba(31, 110, 156, 0.75);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .pc-split__card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--glow), rgba(53, 224, 208, 0));
  opacity: 0.45;
}

.page-contact .pc-split__card[open] {
  border-color: var(--glow);
  box-shadow: 0 14px 30px rgba(4, 18, 31, 0.5);
}

.page-contact .pc-split__card[open]::before {
  opacity: 1;
}

.page-contact .pc-split__card > summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 18px 16px;
  position: relative;
}

.page-contact .pc-split__card > summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-split__card > summary:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: -4px;
}

.page-contact .pc-split__top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-contact .pc-split__num {
  flex: none;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--glow);
  border: 1px solid rgba(53, 224, 208, 0.5);
  border-radius: var(--radius);
}

.page-contact .pc-split__icon {
  flex: none;
  width: 32px;
  height: 32px;
  color: var(--glow-soft);
}

.page-contact .pc-split__title {
  font-size: 18px;
  line-height: 1.35;
  margin: 0 0 6px;
  font-weight: 700;
}

.page-contact .pc-split__hint {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: rgba(159, 243, 234, 0.9);
}

.page-contact .pc-split__body {
  padding: 14px 18px 20px;
  border-top: 1px dashed rgba(159, 243, 234, 0.32);
}

.page-contact .pc-split__body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 247, 249, 0.82);
}

.page-contact .pc-split__meta {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-contact .pc-split__meta li {
  display: flex;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(242, 247, 249, 0.72);
}

.page-contact .pc-split__meta b {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12.5px;
  color: var(--glow-soft);
  padding-top: 2px;
}

/* 02 联系信息便签 */
.page-contact .pc-desk {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(20px, 3.6vw, 40px);
  border: 1px solid rgba(31, 110, 156, 0.65);
  border-radius: var(--radius);
  background: linear-gradient(158deg, var(--abyss), #0a2744 58%, var(--deep));
}

.page-contact .pc-desk__bg {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: -1;
  line-height: 0;
}

.page-contact .pc-desk__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  filter: saturate(0.3) contrast(1.1);
}

.page-contact .pc-notes {
  position: relative;
  display: grid;
  gap: 16px;
}

.page-contact .pc-note {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 16px 18px 18px;
  box-shadow: 0 3px 0 rgba(232, 226, 212, 0.22), 0 16px 30px rgba(4, 18, 31, 0.5);
}

.page-contact .pc-note::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-width: 0 14px 14px 0;
  border-style: solid;
  border-color: transparent rgba(11, 46, 79, 0.16) transparent transparent;
}

.page-contact .pc-note__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: rgba(4, 18, 31, 0.55);
}

.page-contact .pc-note__value {
  margin: 8px 0 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  word-break: break-word;
  color: var(--ink);
}

.page-contact .pc-note__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(4, 18, 31, 0.74);
}

.page-contact .pc-desk__foot {
  position: relative;
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(31, 110, 156, 0.5);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: baseline;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(242, 247, 249, 0.7);
}

.page-contact .pc-link {
  color: var(--glow-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-contact .pc-link:hover,
.page-contact .pc-link:focus-visible {
  color: var(--glow);
}

.page-contact .pc-link:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 2px;
  border-radius: 2px;
}

/* 03 咨询前准备 */
.page-contact .pc-prep__grid {
  display: grid;
  gap: 12px;
}

.page-contact .pc-prep__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 18px;
  background: rgba(20, 71, 111, 0.45);
  border-left: 3px solid var(--glow);
  border-radius: var(--radius);
}

.page-contact .pc-prep__num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--glow);
  padding-top: 3px;
}

.page-contact .pc-prep__title {
  margin: 0 0 5px;
  font-size: 16px;
  font-weight: 700;
}

.page-contact .pc-prep__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(242, 247, 249, 0.76);
}

.page-contact .pc-prep__note {
  margin: 18px 0 0;
  max-width: 62em;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(242, 247, 249, 0.7);
}

/* 04 团体对接步骤 */
.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-step {
  border: 1px solid rgba(31, 110, 156, 0.6);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(20, 71, 111, 0.55), rgba(11, 46, 79, 0.5));
}

.page-contact .pc-step > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
}

.page-contact .pc-step > summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-step > summary:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: -3px;
}

.page-contact .pc-step__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--abyss);
  background: var(--glow);
  border-radius: 2px;
  padding: 3px 7px;
}

.page-contact .pc-step__name {
  flex: 1 1 auto;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
}

.page-contact .pc-step__chev {
  flex: none;
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--glow-soft);
  border-bottom: 2px solid var(--glow-soft);
  transform: rotate(45deg);
  transition: transform 200ms ease;
}

.page-contact .pc-step[open] .pc-step__chev {
  transform: rotate(-135deg);
}

.page-contact .pc-step__body {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 247, 249, 0.76);
}

/* 05 响应时间带 */
.page-contact .pc-band {
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 40px);
  padding: 0;
  display: grid;
}

.page-contact .pc-band__item {
  position: relative;
  padding: 16px 4px 16px 22px;
  border-left: 1px dashed rgba(53, 224, 208, 0.35);
}

.page-contact .pc-band__dot {
  position: absolute;
  left: -5px;
  top: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--glow-soft);
  box-shadow: 0 0 0 3px rgba(53, 224, 208, 0.16);
}

.page-contact .pc-band__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--glow);
  margin-bottom: 6px;
}

.page-contact .pc-band__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(242, 247, 249, 0.76);
}

.page-contact .pc-cta {
  display: grid;
  gap: 18px;
  align-items: center;
  padding: clamp(20px, 3.4vw, 34px);
  border: 1px solid var(--coral);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255, 107, 74, 0.16), rgba(11, 46, 79, 0.9));
}

.page-contact .pc-cta__title {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  line-height: 1.4;
}

.page-contact .pc-cta__text {
  margin: 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 247, 249, 0.8);
}

@media (min-width: 620px) {
  .page-contact .pc-prep__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 780px) {
  .page-contact .pc-notes {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-contact .pc-note--mail {
    transform: rotate(-1.1deg);
  }

  .page-contact .pc-note--phone {
    transform: rotate(0.9deg) translateY(-8px);
  }

  .page-contact .pc-note--addr {
    transform: rotate(-0.6deg) translateY(6px);
  }

  .page-contact .pc-note__value {
    font-size: 14px;
  }
}

@media (min-width: 860px) {
  .page-contact .pc-split {
    flex-direction: row;
    align-items: stretch;
    gap: 14px;
  }

  .page-contact .pc-split__card {
    flex: 1 1 0;
    min-width: 0;
    transition: flex-grow 260ms ease;
  }

  .page-contact .pc-split__card[open] {
    flex-grow: 3;
  }

  .page-contact .pc-band {
    grid-template-columns: repeat(4, 1fr);
    gap: 0 20px;
  }

  .page-contact .pc-band__item {
    border-left: 0;
    border-top: 1px dashed rgba(53, 224, 208, 0.35);
    padding: 22px 10px 6px 2px;
  }

  .page-contact .pc-band__dot {
    left: 2px;
    top: -5px;
  }

  .page-contact .pc-cta {
    grid-template-columns: 1fr auto;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-hero__inner {
    padding-block: clamp(26px, 3vw, 46px) clamp(24px, 3vw, 38px);
  }

  .page-contact .pc-note__value {
    font-size: 14.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-split__card,
  .page-contact .pc-step__chev {
    transition: none;
  }
}
<<<END>>>