.page-contact {
  --contact-line: 1px solid rgba(124, 137, 173, .24);
  --contact-card-bg: var(--ink-slate);
  --contact-text: rgba(245, 247, 255, .84);
  --contact-text-dim: rgba(245, 247, 255, .68);
  padding-bottom: 64px;
}

.page-contact .breadcrumb {
  padding: 18px 0 0;
}

/* ---------- hero ---------- */
.contact-hero {
  margin-top: 14px;
  padding: 26px 0 30px;
  border-bottom: var(--contact-line);
  background:
    radial-gradient(760px 260px at 8% -30%, rgba(79, 227, 209, .12), transparent 72%),
    radial-gradient(620px 220px at 92% -10%, rgba(232, 184, 92, .08), transparent 70%),
    linear-gradient(180deg, rgba(18, 24, 43, .92), rgba(11, 16, 32, 0));
}

.contact-hero__inner {
  display: grid;
  gap: 16px;
}

.contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 7.6vw, 54px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--white);
}

.contact-hero__lede {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--contact-text-dim);
}

.contact-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 4px 0 0;
  padding: 16px 0 0;
  border-top: var(--contact-line);
}

.contact-facts__item {
  display: grid;
  gap: 4px;
}

.contact-facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.contact-facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}

.contact-facts dd .num {
  color: var(--gold);
}

/* ---------- section rhythm ---------- */
.page-contact .section {
  padding: 42px 0 0;
}

.page-contact .section__head {
  margin-bottom: 20px;
}

/* ---------- 01 channel cards ---------- */
.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.channel-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 20px;
  border: var(--contact-line);
  border-radius: var(--radius);
  background: var(--contact-card-bg);
  box-shadow: var(--shadow-in);
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.channel-card:hover,
.channel-card:focus-within {
  border-color: var(--cyan);
  background: #141b2f;
}

.channel-card__tag {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.channel-card__name {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--contact-text);
}

.channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 4.6vw, 21px);
  line-height: 1.4;
  letter-spacing: .08em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.channel-card--phone .channel-card__value {
  color: var(--gold);
}

.channel-card--letter .channel-card__value {
  font-size: clamp(16px, 4.2vw, 19px);
  letter-spacing: .04em;
  color: var(--white);
}

.channel-card__use {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--contact-text-dim);
}

.channel-card__meta {
  margin: 0;
  padding-top: 12px;
  border-top: var(--contact-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 02 tables & hints ---------- */
.contact-table-wrap {
  overflow-x: auto;
  border: var(--contact-line);
  border-radius: var(--radius);
  background: var(--ink-slate);
  box-shadow: var(--shadow-in);
}

.contact-table {
  width: 100%;
  min-width: 560px;
  margin: 0;
}

.contact-table th,
.contact-table td {
  padding: 12px 14px;
  vertical-align: top;
  font-size: 14px;
  line-height: 1.7;
}

.contact-table th[scope="row"] {
  font-weight: 500;
  color: var(--white);
  white-space: nowrap;
}

.contact-table td {
  color: var(--contact-text-dim);
}

.contact-table .num {
  color: var(--gold);
  white-space: nowrap;
}

.contact-hints {
  display: grid;
  gap: 10px;
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 2px solid var(--cyan);
  background: rgba(79, 227, 209, .05);
}

.contact-hints__title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.contact-hints__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.contact-hints__list li {
  font-size: 14px;
  line-height: 1.78;
  color: var(--contact-text-dim);
}

/* ---------- 03 correction template ---------- */
.contact-template {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.contact-template__figure {
  margin: 0;
  display: grid;
  gap: 8px;
}

.contact-template__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: var(--contact-line);
  border-radius: var(--radius);
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.contact-template__panel {
  display: grid;
  gap: 16px;
  align-content: start;
}

.contact-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.contact-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
}

.contact-step__num {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid rgba(42, 33, 28, .26);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--paper-ink);
  background: rgba(42, 33, 28, .04);
}

.contact-step__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper-ink);
}

.contact-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(42, 33, 28, .82);
}

.contact-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 16px;
  border-top: var(--line-paper);
}

.contact-fields__item {
  padding: 5px 10px;
  border: 1px solid rgba(42, 33, 28, .22);
  border-radius: var(--radius);
  background: rgba(42, 33, 28, .04);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--paper-ink);
}

.contact-fields__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(42, 33, 28, .66);
}

/* ---------- 04 classification log ---------- */
.contact-log {
  margin-top: 26px;
}

.contact-log__title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.contact-log__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--contact-line);
}

.contact-log__row {
  display: grid;
  grid-template-columns: 2.6em 1fr;
  gap: 4px 12px;
  align-items: start;
  padding: 12px 0;
  border-bottom: var(--contact-line);
  transition: border-bottom-color 160ms var(--ease), background-color 160ms var(--ease);
}

.contact-log__row:hover {
  border-bottom-color: var(--cyan);
  background: rgba(79, 227, 209, .05);
}

.contact-log__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--mist);
  padding-top: 2px;
}

.contact-log__text {
  font-size: 14px;
  line-height: 1.72;
  color: var(--contact-text);
}

.contact-log__tag {
  grid-column: 2;
  justify-self: start;
}

/* ---------- 05 registration ---------- */
.contact-register {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.contact-register__figure {
  margin: 0;
}

.contact-register__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: var(--contact-line);
  border-radius: var(--radius);
  object-fit: cover;
}

.contact-register__body {
  display: grid;
  gap: 18px;
  align-content: start;
}

.contact-register__list {
  margin: 0;
  border-top: var(--contact-line);
}

.regist-row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: var(--contact-line);
}

.regist-row__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.regist-row__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}

.regist-row__val:lang(zh) {
  font-family: var(--font-body);
  letter-spacing: 0;
}

.contact-register__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--contact-text-dim);
}

.contact-links {
  display: grid;
  gap: 10px;
  padding-top: 16px;
  border-top: var(--contact-line);
}

.contact-links__title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.contact-links__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.contact-links__list li {
  font-size: 14px;
  line-height: 1.75;
  color: var(--contact-text-dim);
}

.page-contact .contact-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 209, .32);
  transition: border-bottom-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .contact-link:hover,
.page-contact .contact-link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--cyan);
}

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .contact-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .contact-facts__item + .contact-facts__item {
    padding-left: 18px;
    border-left: var(--contact-line);
  }

  .contact-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .channel-card--letter {
    grid-column: 1 / -1;
  }

  .contact-log__row {
    grid-template-columns: 2.6em 1fr auto;
    align-items: center;
  }

  .contact-log__tag {
    grid-column: 3;
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .contact-hero {
    padding: 40px 0 40px;
  }

  .contact-hero__inner {
    gap: 20px;
  }

  .page-contact .section {
    padding-top: 56px;
  }

  .contact-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .channel-card--letter {
    grid-column: auto;
  }

  .contact-template {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 26px;
    align-items: start;
  }

  .contact-template__figure img {
    aspect-ratio: 4 / 3;
  }

  .contact-register {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 28px;
    align-items: start;
  }

  .regist-row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 6px 18px;
    align-items: baseline;
  }
}

@media (min-width: 1180px) {
  .contact-hero__title {
    max-width: 16em;
  }

  .contact-template__panel {
    padding: 30px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .contact-log__row,
  .page-contact .contact-link {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>