.page-contact {
  --ct-line: var(--grid);
  --ct-cell: var(--deep-2);
  background: var(--deep);
  color: var(--white);
  font-family: var(--font-body);
  padding-bottom: 72px;
  overflow-x: clip;
}

.page-contact .contact-crumb {
  padding-top: 22px;
}

.page-contact .contact-hero {
  padding: 26px 0 56px;
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: 34px;
}

.page-contact .contact-hero__copy {
  max-width: 640px;
}

.page-contact h1 {
  margin: 14px 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 7.5vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--sky);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-hero__figure {
  margin: 0;
  border: 1px solid var(--ct-line);
  align-self: start;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .section {
  padding: 52px 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .section-head {
  max-width: 660px;
}

.page-contact .section-head__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 4.4vw, 2.15rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .section-head__note {
  margin: 0;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--muted);
}

/* 联系面板 */
.page-contact .contact-board {
  display: grid;
  gap: 1px;
  margin-top: 32px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .contact-channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 30px;
  background: var(--ct-cell);
  transition: background 0.35s var(--ease);
}

.page-contact .contact-channel__idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--sand);
}

.page-contact .contact-channel__title {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .contact-channel__value {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  letter-spacing: 0.01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .contact-channel__value--sub {
  color: var(--white);
}

.page-contact .contact-channel__desc {
  margin: 4px 0 0;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-board__aside {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 30px;
  background: var(--panel);
}

.page-contact .contact-board__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .time-scale {
  margin-top: 6px;
}

.page-contact .time-scale__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sand);
}

.page-contact .time-scale__track {
  height: 12px;
  border: 1px solid var(--cyan-deep);
  background: linear-gradient(90deg, var(--cyan-deep) 0%, var(--cyan) 100%);
}

.page-contact .time-scale__ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .contact-board__note {
  margin: 6px 0 0;
  font-size: 13px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--muted);
}

/* 写邮件准备 */
.page-contact .prep-grid {
  display: grid;
  gap: 1px;
  margin-top: 32px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .prep-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 20px 26px;
  background: var(--ct-cell);
}

.page-contact .prep-item__idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sand);
}

.page-contact .prep-item h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}

.page-contact .prep-item p {
  margin: 0;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .prep-tip {
  margin: 24px 0 0;
  padding: 14px 0 14px 18px;
  border-left: 2px solid var(--cyan);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--sky);
}

/* 电话与回拨 */
.page-contact .contact-callback__inner {
  display: grid;
  gap: 30px;
}

.page-contact .contact-callback__copy p {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--white);
  max-width: 52ch;
}

.page-contact .contact-callback__copy .section-head__title {
  margin: 14px 0 18px;
}

.page-contact .contact-callback__panel {
  padding: 26px 22px;
  border: 1px solid var(--ct-line);
  background: var(--panel);
}

.page-contact .callback-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .callback-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .callback-steps li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .callback-steps .mono {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-contact .callback-steps p {
  margin: 0;
  font-size: 15px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--white);
}

/* 到访 */
.page-contact .visit-grid {
  display: grid;
  margin-top: 32px;
  border: 1px solid var(--ct-line);
}

.page-contact .visit-figure {
  margin: 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .visit-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-contact .visit-address {
  position: relative;
  padding: 28px 24px 32px;
  background: var(--panel);
}

.page-contact .visit-address::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    linear-gradient(var(--ct-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--ct-line) 1px, transparent 1px);
  background-size: 32px 32px;
}

.page-contact .visit-address > * {
  position: relative;
  z-index: 1;
}

.page-contact .visit-address__label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--sand);
}

.page-contact .visit-address__line {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--white);
}

.page-contact .visit-details {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--ct-line);
}

.page-contact .visit-details summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  color: var(--cyan);
}

.page-contact .visit-details summary::-webkit-details-marker {
  display: none;
}

.page-contact .visit-details summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .visit-details[open] summary::before {
  content: "–";
}

.page-contact .visit-details ul {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--muted);
}

/* 其他入口 */
.page-contact .more-links {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .more-links a {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  row-gap: 6px;
  padding: 22px 20px 24px;
  background: var(--ct-cell);
  color: var(--white);
  text-decoration: none;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .more-links .mono {
  grid-row: span 2;
  padding-top: 2px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sand);
}

.page-contact .more-links strong {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-contact .more-links__desc {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-end-rule {
  height: 1px;
  margin-top: 56px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}

@media (hover: hover) {
  .page-contact .contact-channel:hover {
    background: var(--panel);
  }

  .page-contact .more-links a:hover {
    background: var(--panel);
    box-shadow: inset 2px 0 0 var(--cyan);
  }
}

@media (min-width: 720px) {
  .page-contact .section {
    padding: 64px 0;
  }

  .page-contact .prep-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .contact-board {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .more-links {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 36px 0 72px;
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 48px;
  }

  .page-contact .contact-channel {
    padding: 30px 26px 34px;
  }

  .page-contact .contact-board__aside {
    padding: 30px 26px 34px;
  }

  .page-contact .contact-callback__inner {
    grid-template-columns: 1.12fr 1fr;
    align-items: start;
    gap: 44px;
  }

  .page-contact .visit-grid {
    grid-template-columns: 1.25fr 1fr;
  }

  .page-contact .visit-figure {
    border-bottom: 0;
    border-right: 1px solid var(--ct-line);
  }

  .page-contact .visit-address {
    padding: 34px 30px 38px;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-board {
    grid-template-columns: 1fr 1fr 1fr 1.2fr;
  }

  .page-contact .prep-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-channel,
  .page-contact .more-links a {
    transition: none;
  }
}
<<<END>>>