.page-contact {
  background-color: var(--navy-900);
  background-image: repeating-linear-gradient(90deg, rgba(24, 58, 82, 0.42) 0 1px, transparent 1px 160px);
  color: var(--on-dark);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding: calc(var(--header-h) + 36px) 0 clamp(52px, 8vw, 96px);
}

.page-contact .pc-crumbs {
  margin-bottom: clamp(26px, 4vw, 48px);
  font-size: 13px;
  line-height: 1.8;
  color: var(--on-dark-dim);
}

.page-contact .pc-crumbs a {
  color: var(--on-dark);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}

.page-contact .pc-crumbs a:hover,
.page-contact .pc-crumbs a:focus-visible {
  color: var(--amber-light);
  border-bottom-color: var(--amber);
}

.page-contact .pc-crumbs .breadcrumb__sep {
  margin: 0 8px;
  color: var(--on-dark-faint);
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
}

.page-contact .pc-hero__lead {
  min-width: 0;
}

.page-contact .pc-hero__title {
  margin: 18px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(40px, 7vw, 64px);
  line-height: 1.06;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ivory);
}

.page-contact .pc-hero__intro {
  margin: 22px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.95;
  color: var(--on-dark);
  border-left: 2px solid var(--amber);
  padding-left: 18px;
}

.page-contact .pc-hero__links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 32px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-contact .pc-linkblock {
  display: block;
  padding: 16px 18px;
  background: var(--navy-800);
  border-left: 2px solid transparent;
  text-decoration: none;
  min-width: 0;
  transition: background-color var(--ease), border-color var(--ease);
}

.page-contact .pc-linkblock:hover,
.page-contact .pc-linkblock:focus-visible {
  background: var(--navy-600);
  border-left-color: var(--amber);
}

.page-contact .pc-linkblock__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--on-dark-faint);
}

.page-contact .pc-linkblock__value {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  color: var(--amber-light);
  overflow-wrap: anywhere;
}

.page-contact .pc-hero__note {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 13px;
  line-height: 1.85;
  color: var(--on-dark-dim);
}

.page-contact .pc-hero__aside {
  min-width: 0;
  border: 1px solid var(--hairline);
  background: var(--navy-800);
}

.page-contact .pc-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--hairline);
  font-size: 13px;
  color: var(--celadon);
}

.page-contact .pc-status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--celadon);
  box-shadow: 0 0 0 3px rgba(127, 191, 168, 0.18);
}

.page-contact .pc-status__meta {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--on-dark-faint);
}

.page-contact .pc-hero__figure {
  margin: 0;
  overflow: hidden;
}

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

.page-contact .pc-specs {
  margin: 0;
}

.page-contact .pc-specs__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 12px 18px;
  border-top: 1px solid var(--hairline);
  font-size: 13px;
  line-height: 1.7;
}

.page-contact .pc-specs__row dt {
  color: var(--on-dark-faint);
  letter-spacing: 0.08em;
  flex: none;
}

.page-contact .pc-specs__row dd {
  margin: 0;
  color: var(--ivory);
  text-align: right;
}

/* ---------- 章节节奏 ---------- */
.page-contact .pc-band {
  padding: clamp(52px, 8vw, 104px) 0;
}

.page-contact .pc-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding-top: 18px;
  margin-bottom: clamp(26px, 4vw, 46px);
  border-top: 1px solid var(--hairline);
}

.page-contact .pc-head__index {
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--amber);
  line-height: 1.4;
}

.page-contact .pc-head__body {
  min-width: 0;
}

.page-contact .pc-head__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.24;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ivory);
}

.page-contact .pc-head__desc {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--on-dark-dim);
}

/* ---------- 通道选择 ---------- */
.page-contact .pc-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-contact .pc-channels__figure {
  margin: 0;
  border: 1px solid var(--hairline);
  overflow: hidden;
}

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

.page-contact .pc-channels__cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-contact .pc-card {
  display: block;
  padding: 22px 20px;
  background: var(--navy-800);
  text-decoration: none;
  min-width: 0;
  transition: background-color var(--ease), box-shadow var(--ease);
}

.page-contact .pc-card:hover,
.page-contact .pc-card:focus-visible {
  background: var(--navy-600);
  box-shadow: inset 3px 0 0 var(--amber);
}

.page-contact .pc-card__index {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-contact .pc-card__title {
  margin: 8px 0 0;
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ivory);
}

.page-contact .pc-card__text {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--on-dark-dim);
}

.page-contact .pc-card__go {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--celadon);
}

/* ---------- 邮箱 / 电话面板 ---------- */
.page-contact .pc-desk__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-contact .pc-panel {
  padding: clamp(24px, 3vw, 36px);
  border: 1px solid var(--hairline);
  min-width: 0;
}

.page-contact .pc-panel--paper {
  background: var(--paper);
  border-color: var(--line);
  color: var(--ink);
}

.page-contact .pc-panel--deep {
  background: var(--teal-deep);
  border-color: rgba(127, 191, 168, 0.28);
  color: var(--ivory);
}

.page-contact .pc-panel__index {
  display: block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--celadon-dark);
}

.page-contact .pc-panel--deep .pc-panel__index {
  color: var(--celadon);
}

.page-contact .pc-panel__title {
  margin: 10px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-contact .pc-panel--deep .pc-panel__title {
  color: var(--ivory);
}

.page-contact .pc-panel__lead {
  margin: 14px 0 22px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--slate);
}

.page-contact .pc-panel--deep .pc-panel__lead {
  color: var(--on-dark);
}

.page-contact .pc-panel__mail {
  display: block;
  padding-bottom: 8px;
  font-size: clamp(15px, 2.2vw, 20px);
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
  overflow-wrap: anywhere;
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .pc-panel__mail:hover,
.page-contact .pc-panel__mail:focus-visible {
  color: var(--celadon-dark);
  border-bottom-color: var(--celadon-dark);
}

.page-contact .pc-panel--deep .pc-panel__mail {
  color: var(--amber-light);
  border-bottom-color: var(--amber);
}

.page-contact .pc-panel--deep .pc-panel__mail:hover,
.page-contact .pc-panel--deep .pc-panel__mail:focus-visible {
  color: var(--celadon);
  border-bottom-color: var(--celadon);
}

.page-contact .pc-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .pc-panel--deep .pc-list li {
  color: var(--on-dark);
}

.page-contact .pc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 1px;
  background: var(--celadon-dark);
}

.page-contact .pc-panel--deep .pc-list li::before {
  background: var(--celadon);
}

.page-contact .pc-panel__foot {
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .pc-panel--deep .pc-panel__foot {
  border-top-color: rgba(127, 191, 168, 0.3);
  color: var(--on-dark-dim);
}

/* ---------- 合作与反馈 ---------- */
.page-contact .pc-cases {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hairline);
}

.page-contact .pc-case {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 24px 0;
  border-bottom: 1px solid var(--hairline);
  transition: background-color var(--ease);
}

.page-contact .pc-case:hover {
  background: rgba(24, 58, 82, 0.35);
}

.page-contact .pc-case__tag {
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-contact .pc-case__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ivory);
}

.page-contact .pc-case__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--on-dark-dim);
}

.page-contact .pc-case__way {
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--celadon);
}

/* ---------- 自助入口 ---------- */
.page-contact .pc-before__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-contact .pc-tile {
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
  background: var(--navy-800);
  text-decoration: none;
  min-width: 0;
  transition: background-color var(--ease), box-shadow var(--ease);
}

.page-contact .pc-tile:hover,
.page-contact .pc-tile:focus-visible {
  background: var(--navy-600);
  box-shadow: inset 0 -2px 0 var(--amber);
}

.page-contact .pc-tile .tag {
  align-self: flex-start;
}

.page-contact .pc-tile__title {
  margin: 14px 0 0;
  font-family: var(--font-heading);
  font-size: 19px;
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ivory);
}

.page-contact .pc-tile__text {
  margin: 10px 0 18px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--on-dark-dim);
}

.page-contact .pc-tile__go {
  margin-top: auto;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber-light);
}

/* ---------- 底部信息带 ---------- */
.page-contact .pc-strip {
  padding: clamp(32px, 5vw, 48px) 0;
  border-top: 1px solid var(--hairline);
  background: var(--navy-800);
}

.page-contact .pc-strip__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px 32px;
}

.page-contact .pc-strip__block {
  min-width: 0;
}

.page-contact .pc-strip__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--on-dark-faint);
}

.page-contact .pc-strip__value {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ivory);
  overflow-wrap: anywhere;
}

.page-contact .pc-strip__value a {
  color: var(--amber-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(226, 169, 75, 0.4);
  transition: border-color var(--ease), color var(--ease);
}

.page-contact .pc-strip__value a:hover,
.page-contact .pc-strip__value a:focus-visible {
  color: var(--celadon);
  border-bottom-color: var(--celadon);
}

/* ---------- 焦点可见性 ---------- */
.page-contact a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-hero__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-strip__inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .pc-desk__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .page-contact .pc-channels__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .pc-before__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-case {
    grid-template-columns: 44px minmax(0, 1fr) minmax(0, 1.9fr) minmax(0, auto);
    gap: 0 28px;
    align-items: start;
    padding: 26px 8px;
  }

  .page-contact .pc-case__way {
    white-space: nowrap;
    text-align: right;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-before__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-strip__inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>