.page-contact {
  --pc-gap: 18px;
  --pc-shift: -28px;
  --pc-on-dark: rgba(233, 243, 239, .78);
  background: var(--im-paper-50);
  color: var(--im-ink-900);
  overflow-x: clip;
}

.page-contact .breadcrumbs {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(36px, 6vw, 68px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 100%;
  background: linear-gradient(180deg, var(--im-paper-100) 0%, var(--im-paper-50) 72%);
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
  z-index: 0;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-contact .contact-hero__lead {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--im-ink-500);
  max-width: 46ch;
}

.page-contact .contact-hero__copy h1 {
  margin: 14px 0 0;
  font-family: var(--im-font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.06;
  color: var(--im-ink-900);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .channel-card {
  position: relative;
  padding: 16px 16px 16px 22px;
  border-radius: var(--im-radius-m);
  background: #fff;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 999px;
  background: var(--im-teal-400);
  transition: background 180ms var(--im-ease);
}

.page-contact .channel-card:hover::before,
.page-contact .channel-card:focus-within::before {
  background: var(--im-orange-500);
}

.page-contact .channel-card__key {
  display: block;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--im-gray-500);
  font-weight: 600;
}

.page-contact .channel-card__value {
  margin: 6px 0 0;
  font-family: var(--im-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 3.4vw, 17px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--im-ink-900);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--addr {
  font-family: var(--im-font-body);
  font-size: 15px;
  font-weight: 500;
  font-style: normal;
  line-height: 1.65;
  word-break: break-word;
}

.page-contact .channel-card__use {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--im-gray-500);
}

/* ---------- 右侧信息板 ---------- */
.page-contact .contact-hero__board {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}

.page-contact .contact-board__media {
  margin: 0;
  border-radius: var(--im-radius-m);
  overflow: hidden;
}

.page-contact .contact-board__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact .reply-panel {
  padding: 22px 20px 20px;
  border: 1px solid var(--im-line-dark);
  border-radius: var(--im-radius-m);
  background: var(--im-data-800);
  color: var(--im-white-ink);
  box-shadow: var(--im-shadow-lift);
}

.page-contact .reply-panel__title {
  margin: 0;
  font-family: var(--im-font-display);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  letter-spacing: -0.01em;
  color: var(--im-white-ink);
}

.page-contact .reply-panel__desc {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--pc-on-dark);
}

/* 时段刻度条 */
.page-contact .hours-bar {
  position: relative;
  height: 48px;
  margin: 20px 0 0;
}

.page-contact .hours-bar__track {
  position: absolute;
  left: 0;
  right: 0;
  top: 16px;
  height: 6px;
  border-radius: 3px;
  background: rgba(233, 243, 239, .13);
}

.page-contact .hours-bar__base,
.page-contact .hours-bar__ext {
  position: absolute;
  top: 16px;
  height: 6px;
  border-radius: 3px;
}

.page-contact .hours-bar__base {
  left: 6.25%;
  width: 56.25%;
  background: var(--im-teal-400);
}

.page-contact .hours-bar__ext {
  left: 62.5%;
  width: 25%;
  background: var(--im-orange-500);
}

.page-contact .hours-bar__ticks {
  position: absolute;
  inset: 0;
}

.page-contact .hours-bar__ticks i {
  position: absolute;
  top: 28px;
  transform: translateX(-50%);
  font-family: var(--im-font-mono);
  font-style: normal;
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  color: var(--im-gray-500);
}

.page-contact .hours-bar__ticks i:nth-child(1) { left: 6.25%; }
.page-contact .hours-bar__ticks i:nth-child(2) { left: 25%; }
.page-contact .hours-bar__ticks i:nth-child(3) { left: 43.75%; }
.page-contact .hours-bar__ticks i:nth-child(4) { left: 62.5%; }
.page-contact .hours-bar__ticks i:nth-child(5) { left: 87.5%; }

.page-contact .hours-legend {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 12.5px;
  color: var(--pc-on-dark);
}

.page-contact .hours-key {
  display: inline-block;
  width: 14px;
  height: 6px;
  margin-right: 6px;
  border-radius: 3px;
  vertical-align: middle;
}

.page-contact .hours-key--base { background: var(--im-teal-400); }
.page-contact .hours-key--ext { background: var(--im-orange-500); }

.page-contact .reply-panel__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--im-line-dark);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--pc-on-dark);
}

/* ---------- 来信类型 ---------- */
.page-contact .contact-intent .section-head {
  max-width: 62ch;
}

.page-contact .intent-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .intent-card {
  display: grid;
  align-content: start;
  padding: 20px 18px 22px;
  border-radius: var(--im-radius-m);
  background: #fff;
}

.page-contact .intent-card__no {
  font-family: var(--im-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--im-ink-500);
}

.page-contact .intent-card h3 {
  margin: 8px 0 0;
  font-family: var(--im-font-display);
  font-size: 1.22rem;
  letter-spacing: -0.005em;
  color: var(--im-ink-900);
}

.page-contact .intent-card__desc {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--im-gray-500);
}

.page-contact .intent-card ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--im-line);
  display: grid;
  gap: 7px;
}

.page-contact .intent-card li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--im-ink-500);
}

.page-contact .intent-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--im-teal-400);
}

/* ---------- 来信要素 ---------- */
.page-contact .contact-brief__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-contact .contact-brief__copy .section-lead {
  max-width: 52ch;
}

.page-contact .brief-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .brief-item {
  padding: 14px 14px 14px 16px;
  border-left: 2px solid var(--im-line-strong);
  border-radius: 0 var(--im-radius-s) var(--im-radius-s) 0;
  background: var(--im-paper-100);
  transition: border-color 180ms var(--im-ease), transform 180ms var(--im-ease);
}

.page-contact .brief-item:hover {
  border-left-color: var(--im-teal-400);
  transform: translateX(2px);
}

.page-contact .brief-item p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--im-ink-500);
}

.page-contact .brief-tail {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--im-gray-500);
}

.page-contact .brief-tail a {
  color: var(--im-ink-900);
  text-decoration: underline;
  text-decoration-color: var(--im-teal-400);
  text-underline-offset: 3px;
}

.page-contact .contact-brief__media {
  margin: 0;
  border-radius: var(--im-radius-m);
  overflow: hidden;
}

.page-contact .contact-brief__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 7;
  object-fit: cover;
}

/* ---------- 收尾条 ---------- */
.page-contact .contact-tail {
  padding-bottom: clamp(36px, 6vw, 72px);
}

.page-contact .contact-tail__inner {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  padding: 24px 22px 28px;
  border-radius: var(--im-radius-m);
  background: var(--im-ink-700);
  color: var(--im-white-ink);
}

.page-contact .contact-tail__inner::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--im-teal-400) 0%, var(--im-orange-500) 100%);
}

.page-contact .contact-tail__body h2 {
  margin: 0;
  font-family: var(--im-font-display);
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  letter-spacing: -0.01em;
  color: var(--im-white-ink);
}

.page-contact .contact-tail__body p {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-on-dark);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .brief-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 16px;
  }
}

@media (min-width: 760px) {
  .page-contact .intent-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-tail__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 28px 26px 32px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 45%) minmax(0, 55%);
    gap: 44px;
  }

  .page-contact .contact-hero__board {
    margin-top: var(--pc-shift);
  }

  .page-contact .channel-card {
    padding: 18px 20px 18px 24px;
  }

  .page-contact .contact-brief__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 46px;
  }

  .page-contact .contact-brief__media {
    margin-top: 12px;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 43%) minmax(0, 57%);
    gap: 56px;
  }

  .page-contact .reply-panel {
    padding: 26px 26px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card::before,
  .page-contact .brief-item {
    transition: none;
  }

  .page-contact .brief-item:hover {
    transform: none;
  }
}