.page-contact {
  --pc-radius: 26px;
  --pc-gap: clamp(18px, 3vw, 28px);
  padding-top: clamp(92px, 12vw, 130px);
  padding-bottom: 0;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin-bottom: clamp(14px, 2.4vw, 22px);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--text-dim);
}

.page-contact .breadcrumb-item {
  display: inline-flex;
  align-items: center;
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin: 0 10px 0 4px;
  color: var(--hairline-strong);
}

.page-contact .breadcrumb-link {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease);
}

.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  border-bottom-color: var(--cyan-400);
}

.page-contact .breadcrumb-current {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(6px, 1.6vw, 18px) clamp(38px, 6vw, 70px);
}

.page-contact .hero-shell {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: center;
}

.page-contact .hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.1;
  color: var(--text);
}

.page-contact .hero-lede {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: clamp(15.5px, 1.7vw, 18px);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .hero-actions .btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 22px;
  text-decoration: none;
}

.page-contact .contact-visual {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--ink-700);
}

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

.page-contact .contact-visual::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -40%;
  width: 68%;
  height: 92%;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 32%, rgba(242, 169, 59, 0.38), transparent 66%);
  pointer-events: none;
}

/* ---------- 章节通用 ---------- */
.page-contact .section {
  padding-block: clamp(34px, 5.5vw, 68px);
}

.page-contact .section-head {
  max-width: 62em;
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: clamp(23px, 3.4vw, 38px);
  line-height: 1.22;
  color: var(--text);
  margin: 10px 0 0;
}

.page-contact .section-lede {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(24px, 4vw, 38px);
}

.page-contact .channel-card {
  padding: clamp(22px, 3.4vw, 34px);
  border-radius: var(--pc-radius);
  border: 1px solid var(--hairline);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), border-color 240ms var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 22px 44px -26px rgba(0, 0, 0, 0.72);
}

.page-contact .channel-card--sand {
  background: linear-gradient(150deg, var(--sand-200), var(--sand-50));
  border-color: rgba(11, 27, 51, 0.14);
  color: var(--ink-900);
}

.page-contact .channel-card--ink {
  background: linear-gradient(150deg, var(--ink-700), var(--ink-500));
}

.page-contact .channel-label {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--cyan-600);
}

.page-contact .channel-card--ink .channel-label {
  color: var(--cyan-400);
}

.page-contact .channel-value {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(16px, 2.5vw, 23px);
  line-height: 1.5;
  word-break: break-word;
}

.page-contact .channel-card--sand .channel-value {
  color: var(--ink-900);
}

.page-contact .channel-card--ink .channel-value {
  color: var(--gold-300);
}

.page-contact .channel-fit {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.78;
}

.page-contact .channel-card--sand .channel-fit {
  color: rgba(11, 27, 51, 0.78);
}

.page-contact .channel-card--ink .channel-fit {
  color: var(--text-dim);
}

/* ---------- 左右分栏（邮件 / 电话） ---------- */
.page-contact .split-grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-contact .split-head .split-lede {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .split-body {
  font-size: 15.8px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .split-body p {
  margin: 0 0 16px;
  max-width: 68ch;
}

.page-contact .split-body p:last-child {
  margin-bottom: 0;
}

.page-contact .split-body strong {
  color: var(--gold-300);
  font-weight: 700;
}

.page-contact .split-body .link {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(35, 211, 211, 0.4);
}

.page-contact .split-body .link:hover,
.page-contact .split-body .link:focus-visible {
  border-bottom-color: var(--cyan-400);
}

.page-contact .fit-list {
  margin: 20px 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .fit-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15.2px;
  line-height: 1.72;
  color: var(--text);
}

.page-contact .fit-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--gold-500);
  transform: rotate(45deg);
}

.page-contact .split--reverse .split-head {
  border-radius: var(--radius-md);
  padding: clamp(18px, 2.6vw, 26px) clamp(18px, 2.8vw, 28px);
  background: rgba(30, 58, 102, 0.36);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--cyan-400);
}

/* ---------- 回复时效 ---------- */
.page-contact .reply-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-contact .reply-visual {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline-strong);
  background: var(--ink-700);
}

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

.page-contact .reply-body .prose {
  margin: 16px 0 0;
  font-size: 15.8px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 68ch;
}

.page-contact .reply-facts {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-contact .reply-fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 14px clamp(16px, 2.4vw, 22px);
  background: var(--ink-700);
}

.page-contact .reply-fact dt {
  flex: 0 0 auto;
  min-width: 5.5em;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--cyan-400);
}

.page-contact .reply-fact dd {
  margin: 0;
  flex: 1 1 auto;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

/* ---------- 信息说明 ---------- */
.page-contact .note-shell {
  padding: clamp(24px, 3.6vw, 40px);
  border-radius: var(--pc-radius);
  background: linear-gradient(135deg, rgba(20, 41, 75, 0.94), rgba(30, 58, 102, 0.86));
  border: 1px solid var(--hairline-strong);
  border-left: 4px solid var(--gold-500);
}

.page-contact .note-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 25px);
  line-height: 1.3;
  color: var(--text);
}

.page-contact .note-text {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 15.4px;
  line-height: 1.82;
  color: var(--text-dim);
}

.page-contact .note-text .link {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(35, 211, 211, 0.4);
}

.page-contact .note-text .link:hover,
.page-contact .note-text .link:focus-visible {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 底部信息条 ---------- */
.page-contact .address-band {
  margin-top: clamp(36px, 5.5vw, 68px);
  padding-block: clamp(26px, 4vw, 40px);
  background: linear-gradient(100deg, var(--ink-700), var(--ink-500));
  border-top: 3px solid var(--gold-500);
}

.page-contact .address-band-inner {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.page-contact .address-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 16px;
  border-left: 2px solid rgba(242, 169, 59, 0.5);
}

.page-contact .address-key {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-400);
}

.page-contact .address-val {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-card--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-shell {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .split-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(28px, 5vw, 70px);
  }

  .page-contact .reply-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(32px, 5vw, 56px);
  }

  .page-contact .split--reverse .split-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  }

  .page-contact .split--reverse .split-head {
    order: 2;
  }

  .page-contact .split--reverse .split-body {
    order: 1;
  }
}

@media (max-width: 519px) {
  .page-contact .hero-actions .btn {
    flex: 1 1 100%;
  }

  .page-contact .reply-fact dt {
    min-width: 0;
  }
}