.page-contact {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .contact-hero {
  padding-block: clamp(14px, 3vw, 26px) clamp(34px, 6vw, 72px);
}

.page-contact .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .hero-copy {
  min-width: 0;
}

.page-contact .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ochre);
}

.page-contact h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 7vw, 54px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--sea-deep);
}

.page-contact .lede {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 48ch;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.85;
  color: var(--ink);
}

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

.page-contact .ledger-row {
  display: grid;
  gap: 7px;
  padding: 17px 18px;
  border: 3px solid var(--ink);
  background: var(--cream);
  color: var(--ink);
  text-decoration: none;
  box-shadow: var(--shadow-hard);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-contact .ledger-row:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 rgba(43, 33, 28, 0.22);
}

.page-contact .ledger-row:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.page-contact .ledger-row--mail {
  background: var(--sea);
  border-color: var(--sea-deep);
  color: var(--cream);
}

.page-contact .ledger-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ochre);
}

.page-contact .ledger-row--mail .ledger-label {
  color: var(--orange);
}

.page-contact .ledger-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(15px, 3.6vw, 23px);
  line-height: 1.35;
  word-break: break-word;
}

.page-contact .ledger-hint {
  font-size: 12.5px;
  line-height: 1.6;
  opacity: 0.86;
}

.page-contact .hero-figure {
  margin: 0;
  min-width: 0;
}

.page-contact .hero-figure .media-frame {
  border: 3px solid var(--ink);
  background: var(--sand);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-contact .media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--sea);
}

/* 通用章节 */
.page-contact .page-section {
  padding-block: clamp(36px, 5.5vw, 70px);
}

.page-contact .section-head {
  max-width: 60ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .section-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.2vw, 34px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--sea-deep);
}

.page-contact .section-title--small {
  font-size: clamp(20px, 3.4vw, 26px);
}

.page-contact .section-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

/* 主题切换 */
.page-contact .section--topics {
  border-top: 3px solid var(--ink);
}

.page-contact .topic-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .tab-button {
  flex: 1 1 auto;
  min-width: 134px;
  padding: 12px 14px;
  border: 2px solid var(--ink);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-align: left;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-contact .tab-button:hover {
  background: var(--sand);
}

.page-contact .tab-button:focus-visible {
  outline: 3px solid var(--sea);
  outline-offset: 2px;
}

.page-contact .tab-button[aria-selected="true"] {
  background: var(--ochre);
  border-color: var(--ochre);
  color: var(--cream);
}

.page-contact .topic-panel {
  margin-top: 18px;
  padding: clamp(18px, 3vw, 28px);
  border: 3px solid var(--ink);
  background: var(--cream);
  box-shadow: var(--shadow-hard);
}

.page-contact .panel-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--sage-deep);
}

.page-contact .panel-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 3vw, 22px);
  line-height: 1.4;
  color: var(--sea-deep);
}

.page-contact .panel-grid {
  display: grid;
  gap: 20px;
}

.page-contact .panel-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .panel-side {
  min-width: 0;
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

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

.page-contact .panel-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .panel-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--ochre);
}

.page-contact .panel-foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .panel-link {
  color: var(--sea);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .panel-link:hover {
  color: var(--ochre);
}

/* 深色写信章节 */
.page-contact .section--sea {
  background: var(--sea);
  color: var(--cream);
}

.page-contact .section--sea .section-title {
  color: var(--cream);
}

.page-contact .section--sea .section-note {
  color: rgba(247, 241, 229, 0.86);
}

.page-contact .section--sea .eyebrow {
  color: var(--orange);
}

.page-contact .mail-recipe {
  margin: 0 0 clamp(24px, 3.5vw, 34px);
  padding: 18px 20px;
  border-left: 6px solid var(--orange);
  background: var(--sea-deep);
  box-shadow: var(--shadow-soft);
}

.page-contact .recipe-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .recipe-code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 2.7vw, 17px);
  line-height: 1.75;
  color: var(--cream);
  word-break: break-word;
}

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

.page-contact .write-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding-top: 12px;
  border-top: 1px solid var(--line-light);
}

.page-contact .write-num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--orange);
}

.page-contact .write-body {
  display: block;
  min-width: 0;
}

.page-contact .write-title {
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
  font-size: 15px;
  color: var(--cream);
}

.page-contact .write-desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(247, 241, 229, 0.82);
}

/* 时间与回复 */
.page-contact .hours-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 3px solid var(--ink);
}

.page-contact .hours-row {
  display: grid;
  gap: 5px;
  padding: 16px 2px;
  border-bottom: 1px solid var(--line);
}

.page-contact .hours-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ochre);
}

.page-contact .hours-val {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

/* 地址与备案 */
.page-contact .section--sand {
  background: var(--sand);
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
}

.page-contact .address-grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  align-items: start;
}

.page-contact .address-card {
  min-width: 0;
  padding: clamp(18px, 3vw, 26px);
  border: 3px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-hard);
}

.page-contact .address-row + .address-row {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-contact .address-label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--sage-deep);
}

.page-contact .address-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.6vw, 17px);
  line-height: 1.8;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .address-link {
  color: var(--sea);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .address-note {
  min-width: 0;
}

.page-contact .address-text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

/* 咨询前准备 */
.page-contact .prep-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .prep-copy {
  min-width: 0;
}

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

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

.page-contact .prep-mark {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--cream);
  background: var(--sage-deep);
  padding: 2px 7px;
}

.page-contact .prep-title {
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
  font-size: 15px;
  color: var(--sea-deep);
}

.page-contact .prep-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .prep-foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .prep-figure {
  margin: 0;
  min-width: 0;
}

.page-contact .prep-figure .media-frame {
  border: 3px solid var(--ink);
  background: var(--sand);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

/* 中等屏幕 */
@media (min-width: 720px) {
  .page-contact .panel-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 28px;
  }

  .page-contact .panel-side {
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-left: 22px;
  }

  .page-contact .write-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 30px;
  }

  .page-contact .hours-row {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 22px;
  }
}

/* 桌面 */
@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 56px;
  }

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

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.8fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ledger-row,
  .page-contact .tab-button {
    transition: none;
  }

  .page-contact .ledger-row:hover {
    transform: none;
  }
}