.page-contact {
  --letter-w: 640px;
  --mail-size: clamp(20px, 5.4vw, 36px);
  position: relative;
  padding: clamp(26px, 5vw, 56px) var(--gutter) clamp(56px, 9vw, 112px);
  background-color: var(--paper);
  background-image:
    linear-gradient(180deg, rgba(217, 164, 65, 0.12), rgba(217, 164, 65, 0) 260px),
    repeating-linear-gradient(0deg, rgba(18, 49, 79, 0.028) 0 1px, transparent 1px 32px);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-5);
  line-height: 1.9;
}

.page-contact .letter {
  max-width: var(--letter-w);
  margin: 0 auto;
}

.page-contact .crumbs {
  margin-bottom: clamp(20px, 3.5vw, 34px);
}

.page-contact .eyebrow {
  margin: 0;
  color: var(--ink-soft);
}

.page-contact .eyebrow .num {
  color: var(--sand);
  margin-right: 8px;
}

/* 首屏 */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(16px, 3vw, 26px);
}

.page-contact .contact-hero__title {
  margin: 8px 0 0;
  font-size: var(--fs-2);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--night);
}

.page-contact .contact-hero__lede {
  margin: 0;
  color: var(--ink-soft);
  max-width: 32em;
}

.page-contact .contact-hero__figure {
  margin: 4px 0 0;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--sand-pale);
}

.page-contact .contact-hero__figure .media__caption {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--ink-soft);
}

@media (min-width: 760px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1fr) 176px;
    column-gap: 32px;
    align-items: start;
  }

  .page-contact .contact-hero__figure {
    grid-column: 2;
    grid-row: 1 / span 3;
    align-self: start;
  }

  .page-contact .contact-hero__title,
  .page-contact .contact-hero__lede,
  .page-contact .contact-hero .eyebrow {
    grid-column: 1;
  }
}

/* 区块骨架 */
.page-contact .letter-section {
  margin-top: clamp(48px, 8vw, 88px);
}

.page-contact .letter-section > h2 {
  margin: 10px 0 18px;
  font-size: var(--fs-3);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.25;
  color: var(--night);
}

.page-contact .letter-copy {
  margin: 0 0 14px;
  color: var(--ink-soft);
}

.page-contact .letter-copy:last-child {
  margin-bottom: 0;
}

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

.page-contact .text-link:hover,
.page-contact .text-link:focus-visible {
  color: var(--clay);
  text-decoration-color: var(--clay);
}

/* 01 邮箱 */
.page-contact .letter-section--mail {
  background: var(--sand-pale);
  border-left: 3px solid var(--sand);
  padding: clamp(22px, 4.5vw, 40px) clamp(18px, 4vw, 36px);
}

.page-contact .mail-address {
  margin: 4px 0 18px;
  font-size: var(--mail-size);
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.3;
  color: var(--night);
  overflow-wrap: anywhere;
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

/* 02 电话 */
.page-contact .letter-section--call {
  position: relative;
  background: var(--night);
  color: var(--on-night);
  padding: clamp(24px, 4.5vw, 40px);
}

.page-contact .letter-section--call::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--sand) 0 38%,
    var(--clay) 38% 52%,
    rgba(251, 247, 239, 0.16) 52% 100%
  );
}

.page-contact .letter-section--call > h2 {
  color: var(--paper);
}

.page-contact .letter-section--call .eyebrow {
  color: rgba(251, 247, 239, 0.7);
}

.page-contact .letter-section--call .letter-copy {
  color: var(--on-night);
}

.page-contact .letter-section--call > p {
  color: var(--on-night);
  margin: 0 0 14px;
}

.page-contact .call-reference {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  margin: 20px 0 16px;
  padding: 14px 0;
  border-top: 1px solid rgba(251, 247, 239, 0.28);
  border-bottom: 1px solid rgba(251, 247, 239, 0.28);
}

.page-contact .call-reference__key {
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.1em;
  color: var(--sand);
}

.page-contact .call-reference__val {
  font-family: var(--font-mono);
  font-size: var(--fs-4);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-contact .letter-copy--small {
  font-size: var(--fs-6);
  line-height: 1.8;
  color: rgba(251, 247, 239, 0.72);
  margin-bottom: 0;
}

/* 03 地址 */
.page-contact .address-map {
  margin: 22px 0 24px;
}

.page-contact .address-map img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  background: rgba(30, 90, 138, 0.08);
}

.page-contact .info-list {
  margin: 0 0 18px;
}

.page-contact .info-row {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line-sand);
}

.page-contact .info-row:first-child {
  border-top: 1px dashed var(--line-sand);
}

.page-contact .info-key {
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.08em;
  line-height: 1.8;
  color: var(--ink-soft);
  padding-top: 3px;
}

.page-contact .info-val {
  margin: 0;
  font-size: var(--fs-5);
  color: var(--ink);
  overflow-wrap: anywhere;
}

@media (max-width: 420px) {
  .page-contact .info-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-contact .info-key {
    padding-top: 0;
  }
}

/* 04 清单 */
.page-contact .kit-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .kit-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-contact .kit-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .kit-item__num {
  font-family: var(--font-mono);
  font-size: var(--fs-3);
  font-weight: 700;
  line-height: 1;
  padding-top: 2px;
  color: var(--sand);
  font-variant-numeric: tabular-nums;
}

.page-contact .kit-item__title {
  margin: 0 0 4px;
  font-size: var(--fs-5);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--night);
}

.page-contact .kit-item p {
  margin: 0;
  color: var(--ink-soft);
}

.page-contact .kit-sample {
  margin-top: 18px;
  padding: 16px 18px;
  background: rgba(78, 155, 214, 0.1);
  border: 1px solid rgba(78, 155, 214, 0.36);
}

.page-contact .kit-sample__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.08em;
  color: var(--deep);
}

.page-contact .kit-sample__text {
  margin: 0;
  font-size: var(--fs-5);
  line-height: 1.8;
  color: var(--ink);
}

/* 05 后续 */
.page-contact .after-list {
  list-style: none;
  margin: 18px 0;
  padding: 0;
}

.page-contact .after-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  color: var(--ink-soft);
}

.page-contact .after-list li:last-child {
  margin-bottom: 0;
}

.page-contact .after-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--poplar);
}

/* 行前须知 */
.page-contact .before-note {
  margin-top: clamp(48px, 8vw, 80px);
  padding: clamp(22px, 4.5vw, 38px);
  background: var(--sand-pale);
  border-top: 3px solid var(--sand);
}

.page-contact .before-note__title {
  margin: 0 0 16px;
  font-size: var(--fs-3);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--night);
}

.page-contact .before-note__list {
  margin: 0 0 22px;
  padding-left: 18px;
  color: var(--ink-soft);
}

.page-contact .before-note__list li {
  margin-bottom: 10px;
}

.page-contact .before-note__list li:last-child {
  margin-bottom: 0;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .text-link,
  .page-contact .btn {
    transition: none;
  }
}