.page-contact {
  --contact-card-pad: clamp(16px, 2.6vw, 28px);
  --contact-stream-gap: calc(var(--gap) * 1.4);
  background: var(--bg);
}

/* ---------- 首屏：对角错位色块 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--gap) * 2.2) 0 calc(var(--gap) * 2.6);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(150deg, var(--panel) 0%, var(--panel-2) 70%);
  clip-path: polygon(0 0, 74% 0, 40% 100%, 0 100%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -38%;
  width: 58%;
  height: 168%;
  z-index: 0;
  background: rgba(229, 169, 60, 0.07);
  border-left: 3px solid var(--amber);
  transform: rotate(-11deg);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) * 1.6);
  align-items: center;
}

.page-contact .contact-hero__copy .breadcrumb {
  margin-bottom: 14px;
}

.page-contact .contact-hero__copy .eyebrow {
  margin-bottom: 10px;
}

.page-contact .contact-hero__copy h1 {
  font-family: var(--font-serif);
  font-size: var(--fs-1);
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.01em;
  line-height: 1.05;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-contact .contact-hero__copy .lede {
  max-width: 60ch;
  color: var(--ink);
}

.page-contact .contact-hero__actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-hero__visual {
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
}

.page-contact .contact-hero__visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  display: block;
  filter: saturate(0.85) contrast(1.05);
}

/* ---------- 主体两栏 ---------- */
.page-contact .contact-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) * 1.8);
  padding: calc(var(--gap) * 2.2) 0 calc(var(--gap) * 3);
}

/* ---------- 左侧联系信息栏 ---------- */
.page-contact .contact-rail {
  display: grid;
  gap: calc(var(--gap) * 1.4);
  align-content: start;
}

.page-contact .contact-facts {
  background: var(--panel);
  border: 1px solid var(--amber);
  padding: 18px 16px;
}

.page-contact .contact-facts__title {
  font-size: var(--fs-4);
  letter-spacing: 0.14em;
  color: var(--faint);
  margin: 0 0 6px;
}

.page-contact .contact-facts__value {
  font-family: var(--font-mono);
  font-size: var(--fs-3);
  color: var(--cyan);
  margin: 0 0 6px;
  word-break: break-all;
  user-select: all;
}

.page-contact .contact-facts__value--amber {
  color: var(--amber);
}

.page-contact .contact-facts__value--plain {
  color: var(--ink);
}

.page-contact .contact-facts__note {
  font-size: var(--fs-4);
  line-height: 1.7;
  color: var(--faint);
  margin: 0;
}

.page-contact .contact-facts .hr-rule {
  margin: 16px 0;
}

.page-contact .contact-rail__nav .eyebrow {
  margin-bottom: 10px;
}

.page-contact .contact-rail__nav .section-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-left: 2px solid var(--line);
}

.page-contact .contact-rail__nav .section-nav__link {
  display: block;
  padding: 8px 12px;
  font-size: var(--fs-3);
  color: var(--faint);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-rail__nav .section-nav__link:hover,
.page-contact .contact-rail__nav .section-nav__link[aria-current="true"] {
  color: var(--ink);
  border-left-color: var(--magenta);
}

/* ---------- 右侧内容流 ---------- */
.page-contact .contact-stream {
  display: grid;
  gap: var(--contact-stream-gap);
  min-width: 0;
}

.page-contact .contact-block {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--line);
  padding: var(--contact-card-pad);
  min-width: 0;
}

.page-contact .contact-block--amber { border-top-color: var(--amber); }
.page-contact .contact-block--cyan { border-top-color: var(--cyan); }
.page-contact .contact-block--moss { border-top-color: var(--moss-lift); }
.page-contact .contact-block--clay { border-top-color: var(--clay); }

.page-contact .contact-block__head {
  margin-bottom: calc(var(--gap) * 1.2);
}

.page-contact .contact-block__head .eyebrow {
  margin-bottom: 8px;
}

.page-contact .contact-block__head .section__title {
  margin: 0 0 10px;
}

.page-contact .contact-block__lede {
  margin: 0;
  max-width: 68ch;
  color: var(--faint);
  font-size: var(--fs-3);
  line-height: 1.75;
}

/* 渠道卡 */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .channel-card {
  background: var(--panel-2);
  border: 1px solid var(--line);
  padding: 16px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .channel-card--mail { border-left: 3px solid var(--cyan); }
.page-contact .channel-card--phone { border-left: 3px solid var(--amber); }

.page-contact .channel-card .tag {
  justify-self: start;
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 2.6vw, 1.2rem);
  line-height: 1.4;
  color: var(--cyan);
  margin: 0;
  word-break: break-all;
  user-select: all;
}

.page-contact .channel-card--phone .channel-card__value {
  color: var(--amber);
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.7;
  color: var(--faint);
}

/* 时间条 */
.page-contact .hours-board {
  background: var(--panel-2);
  border: 1px solid var(--line);
  padding: 12px 10px 4px;
  margin-bottom: calc(var(--gap) * 1.2);
  overflow-x: auto;
}

.page-contact .hours-svg {
  width: 100%;
  min-width: 420px;
  height: auto;
  display: block;
}

.page-contact .hours-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .hours-item {
  display: grid;
  gap: 4px;
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

.page-contact .hours-item__key {
  margin: 0;
  font-size: var(--fs-4);
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .hours-item__val {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.7;
  color: var(--ink);
}

/* 提交清单 */
.page-contact .submit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .submit-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  background: var(--panel-2);
  border: 1px solid var(--line);
  padding: 14px 16px;
}

.page-contact .submit-item__no {
  font-size: var(--fs-3);
  color: var(--moss-lift);
  line-height: 1.6;
}

.page-contact .submit-item__text {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.7;
  color: var(--ink);
}

/* 分流卡 */
.page-contact .route-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .route-card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 16px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-top: 3px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .route-card--amber { border-top-color: var(--amber); }
.page-contact .route-card--cyan { border-top-color: var(--cyan); }
.page-contact .route-card--moss { border-top-color: var(--moss-lift); }
.page-contact .route-card--clay { border-top-color: var(--clay); }

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  transform: translateY(-3px);
  background: var(--panel);
  border-color: var(--line);
}

.page-contact .route-card .tag {
  justify-self: start;
}

.page-contact .route-card__title {
  margin: 0;
  font-size: var(--fs-3);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .route-card__desc {
  margin: 0;
  font-size: var(--fs-4);
  line-height: 1.75;
  color: var(--faint);
}

.page-contact .route-card__go {
  font-size: var(--fs-4);
  color: var(--cyan);
}

.page-contact .route-card--amber .route-card__go { color: var(--amber); }
.page-contact .route-card--moss .route-card__go { color: var(--moss-lift); }
.page-contact .route-card--clay .route-card__go { color: var(--clay-lift); }

/* 来信 */
.page-contact .mail-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) * 1.2);
  align-items: center;
}

.page-contact .mail-layout__copy .eyebrow {
  margin-bottom: 8px;
}

.page-contact .mail-layout__copy .section__title {
  margin: 0 0 10px;
}

.page-contact .mail-facts {
  margin: 18px 0 0;
  display: grid;
  gap: 10px;
}

.page-contact .mail-fact {
  display: grid;
  gap: 3px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.page-contact .mail-fact dt {
  font-size: var(--fs-4);
  letter-spacing: 0.12em;
  color: var(--faint);
}

.page-contact .mail-fact dd {
  margin: 0;
  font-size: var(--fs-3);
  color: var(--ink);
  word-break: break-all;
}

.page-contact .mail-layout__note {
  margin: 16px 0 0;
  font-size: var(--fs-4);
  line-height: 1.75;
  color: var(--faint);
}

.page-contact .mail-layout__media {
  border: 1px solid var(--line);
  border-left: 3px solid var(--clay);
}

.page-contact .mail-layout__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  display: block;
  filter: saturate(0.8) brightness(0.92);
}

/* 底部快捷入口 */
.page-contact .contact-shortcuts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-top: calc(var(--gap) * 0.4);
  border-top: 1px solid var(--line);
}

.page-contact .contact-shortcut {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  font-size: var(--fs-3);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-contact .contact-shortcut__key {
  color: var(--magenta);
}

.page-contact .contact-shortcut:hover .contact-shortcut__key {
  color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .hours-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding: calc(var(--gap) * 3) 0 calc(var(--gap) * 3.4);
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1fr) 40%;
    gap: calc(var(--gap) * 2.4);
  }

  .page-contact .contact-body {
    grid-template-columns: 292px minmax(0, 1fr);
    gap: calc(var(--gap) * 2.2);
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: 92px;
  }

  .page-contact .mail-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: calc(var(--gap) * 1.8);
  }

  .page-contact .contact-block {
    padding: calc(var(--contact-card-pad) * 1.15);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .contact-shortcut {
    transition: none;
  }
}