.page-contact {
  --pc-gap: clamp(16px, 3vw, 30px);
  --pc-line: rgba(15, 30, 36, .12);
  --pc-teal-line: rgba(14, 124, 123, .26);
}

.page-contact .contact-head {
  padding-top: clamp(20px, 3.4vw, 40px);
  padding-bottom: clamp(8px, 1.6vw, 18px);
}

.page-contact .contact-head__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.page-contact .contact-head__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  color: var(--teal);
  border: 1px solid var(--pc-teal-line);
  border-radius: 999px;
  padding: 5px 13px;
  white-space: nowrap;
}

.page-contact .contact-head__title {
  margin: 0 0 18px;
  font-size: clamp(34px, 7.4vw, 74px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.035em;
  color: var(--ink);
  max-width: 15ch;
}

.page-contact .contact-head__lede {
  max-width: 60ch;
}

.page-contact .contact-head__band {
  margin-top: clamp(22px, 3.6vw, 42px);
  border-radius: 30px 30px 30px 6px;
  overflow: hidden;
  background: var(--mist);
}

.page-contact .contact-head__band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 400;
  object-fit: cover;
}

/* 通道卡 */
.page-contact .contact-h2 {
  margin: 14px 0 12px;
  font-size: clamp(25px, 4.2vw, 40px);
  line-height: 1.16;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--ink);
  max-width: 22ch;
}

.page-contact .contact-sub {
  max-width: 62ch;
  color: var(--slate);
  font-size: var(--fs-base);
  line-height: 1.85;
  margin: 0 0 6px;
}

.page-contact .chan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .chan {
  position: relative;
  padding: 26px 24px 24px;
  background: var(--paper);
  border: 1.5px solid var(--pc-teal-line);
  border-radius: 22px 22px 22px 6px;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.page-contact .chan:hover {
  transform: translateY(-5px);
  border-color: var(--teal);
  box-shadow: 0 20px 36px -24px rgba(15, 30, 36, .6);
}

.page-contact .chan__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--sand);
  margin-bottom: 10px;
}

.page-contact .chan__title {
  margin: 0 0 10px;
  font-size: var(--fs-md);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .chan__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .chan__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--lake);
  word-break: break-all;
}

.page-contact .chan__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
}

.page-contact .chan__links a {
  font-size: 15px;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1.5px solid var(--pc-teal-line);
  padding-bottom: 2px;
}

.page-contact .chan__links a:hover,
.page-contact .chan__links a:focus-visible {
  border-bottom-color: var(--lava);
  color: var(--clay);
}

/* 双栏 */
.page-contact .contact-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

.page-contact .contact-aside {
  display: grid;
  gap: 14px;
}

.page-contact .aside-card {
  padding: 18px 20px;
  background: var(--mist);
  border-left: 4px solid var(--teal);
  border-radius: 4px 18px 18px 4px;
}

.page-contact .aside-card--lava {
  background: rgba(255, 107, 53, .1);
  border-left-color: var(--lava);
}

.page-contact .aside-card--sand {
  background: rgba(217, 164, 65, .13);
  border-left-color: var(--sand);
}

.page-contact .aside-card__label {
  display: block;
  font-size: var(--fs-xs);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 6px;
}

.page-contact .aside-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.5;
  word-break: break-all;
}

.page-contact .aside-card__note {
  margin: 6px 0 0;
  font-size: var(--fs-sm);
  color: var(--slate);
}

.page-contact .contact-block + .contact-block {
  margin-top: clamp(38px, 5vw, 64px);
  padding-top: clamp(30px, 4vw, 46px);
  border-top: 1px solid var(--pc-line);
}

/* 材料清单 */
.page-contact .mat-list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-contact .mat-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .mat-item:first-child {
  border-top: 2px solid var(--teal);
}

.page-contact .mat-item__num {
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: 500;
  line-height: 1.2;
  color: var(--lake);
}

.page-contact .mat-item__title {
  margin: 0 0 6px;
  font-size: var(--fs-base);
  font-weight: 800;
  color: var(--ink);
}

.page-contact .mat-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .mat-figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border-radius: 24px 24px 24px 6px;
  overflow: hidden;
  background: var(--mist);
}

.page-contact .mat-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .mat-figure__cap {
  margin: 0;
  padding: 14px 18px;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--slate);
  background: rgba(220, 237, 234, .7);
}

/* 回复时段 */
.page-contact .hours-track {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: clamp(22px, 3vw, 32px) 0 20px;
  padding: 22px 20px;
  background: linear-gradient(115deg, rgba(217, 164, 65, .2), rgba(14, 124, 123, .14));
  border-radius: 22px 22px 22px 6px;
}

.page-contact .hours-track__point {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
}

.page-contact .hours-track__bar {
  flex: 1 1 auto;
  min-width: 24px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--sand), var(--teal) 58%, var(--lake));
  position: relative;
}

.page-contact .hours-track__bar::before,
.page-contact .hours-track__bar::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: var(--lava);
}

.page-contact .hours-track__bar::before { left: -3px; }
.page-contact .hours-track__bar::after { right: -3px; background: var(--lake); }

.page-contact .hours-notes {
  display: grid;
  gap: 12px;
}

.page-contact .hours-note {
  margin: 0;
  padding-left: 16px;
  border-left: 2px solid var(--pc-teal-line);
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

/* 步骤 */
.page-contact .steps {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  counter-reset: step;
}

.page-contact .step {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--paper);
  border-radius: 20px 20px 20px 6px;
  border: 1px solid var(--pc-line);
}

.page-contact .step__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  font-weight: 500;
  line-height: 1;
  color: var(--lava);
  margin-bottom: 12px;
}

.page-contact .step__title {
  margin: 0 0 8px;
  font-size: var(--fs-base);
  font-weight: 800;
  color: var(--ink);
}

.page-contact .step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

/* 书面信息 */
.page-contact .office-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-contact .office-list {
  margin: 0;
  padding: 0;
}

.page-contact .office-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .office-row:first-child {
  border-top: 2px solid var(--ink);
}

.page-contact .office-row dt {
  font-size: var(--fs-xs);
  letter-spacing: .18em;
  color: var(--teal);
  text-transform: uppercase;
}

.page-contact .office-row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .office-row__mono {
  font-family: var(--font-mono);
  font-weight: 500;
  word-break: break-all;
}

.page-contact .office-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px solid var(--pc-line);
}

.page-contact .btn--tea {
  background: var(--teal);
  color: var(--paper);
  border-color: var(--teal);
}

.page-contact .office-links .btn {
  text-decoration: none;
}

@media (min-width: 700px) {
  .page-contact .chan-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .step + .step::before {
    content: "";
    position: absolute;
    left: calc(-1 * var(--pc-gap) + 4px);
    top: 42px;
    width: calc(var(--pc-gap) - 8px);
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--sand) 0 6px, transparent 6px 12px);
  }

  .page-contact .office-cols {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-contact .office-row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-cols {
    grid-template-columns: minmax(0, 272px) minmax(0, 1fr);
  }

  .page-contact .contact-aside {
    position: sticky;
    top: calc(var(--quick-h) + 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan {
    transition: none;
  }
  .page-contact .chan:hover {
    transform: none;
  }
}