.page-contact {
  --ct-radius-md: 28px;
  --ct-radius-lg: 36px;
  --ct-radius-c: 48px;
  --ct-gap: clamp(46px, 7vw, 84px);
  padding-bottom: 104px;
  color: var(--ivory);
}

/* ---------- 面包屑与页首 ---------- */
.page-contact .breadcrumbs {
  padding: 24px 0 6px;
}

.page-contact .contact-hero {
  max-width: 880px;
  padding: 10px 0 38px;
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--aqua);
  margin: 0;
}

.page-contact .eyebrow--dark {
  color: #0a7f96;
}

.page-contact .display-title {
  margin: 18px 0 22px;
  font-weight: 300;
  font-size: clamp(2.05rem, 5.6vw, 3.7rem);
  line-height: 1.12;
  letter-spacing: 0.015em;
  color: var(--ivory);
}

.page-contact .lede {
  margin: 0;
  max-width: 60ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 页内目录 ---------- */
.page-contact .toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 14px 0 16px;
  margin-bottom: 6px;
  border-top: 1px solid rgba(168, 198, 216, 0.18);
  border-bottom: 1px solid rgba(168, 198, 216, 0.18);
}

.page-contact .toc__link {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--mist);
  text-decoration: none;
  padding: 3px 1px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-contact .toc__link:hover,
.page-contact .toc__link:focus-visible {
  color: var(--aqua);
  border-bottom-color: var(--aqua);
}

/* ---------- 通用章节 ---------- */
.page-contact section {
  margin-top: var(--ct-gap);
}

.page-contact .section-title {
  margin: 12px 0 26px;
  font-size: clamp(1.2rem, 2.7vw, 1.6rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.35;
  color: var(--ivory);
}

.page-contact .prose {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .prose a {
  color: var(--water);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 180, 216, 0.45);
}

.page-contact .prose a:hover,
.page-contact .prose a:focus-visible {
  color: var(--aqua);
  border-bottom-color: var(--aqua);
}

/* ---------- 三个联系入口 ---------- */
.page-contact .channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .channel-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px 30px;
  border-radius: var(--ct-radius-md);
  border: 1px solid rgba(0, 180, 216, 0.24);
  overflow: hidden;
}

.page-contact .channel-panel::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.22), rgba(0, 180, 216, 0) 70%);
  pointer-events: none;
}

.page-contact .channel-panel--mail {
  background: linear-gradient(155deg, #5c6775 0%, #3d4653 100%);
}

.page-contact .channel-panel--tel {
  background: linear-gradient(155deg, #506a5b 0%, #32443a 100%);
}

.page-contact .channel-panel--desk {
  background: var(--sand);
  border-color: rgba(11, 29, 58, 0.16);
}

.page-contact .channel-panel__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: rgba(242, 239, 230, 0.66);
}

.page-contact .channel-panel__title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ivory);
}

.page-contact .channel-panel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.98rem;
  line-height: 1.65;
  letter-spacing: 0.03em;
  color: var(--ivory);
  word-break: break-word;
  user-select: all;
}

.page-contact .channel-panel__value--phone {
  font-size: 1.45rem;
  letter-spacing: 0.08em;
  color: var(--aqua);
}

.page-contact .channel-panel__value--addr {
  font-size: 0.96rem;
  line-height: 1.85;
}

.page-contact .channel-panel__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.08em;
  color: var(--aqua);
}

.page-contact .channel-panel__desc {
  margin: auto 0 0;
  padding-top: 12px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.82);
}

.page-contact .channel-panel--desk .channel-panel__index {
  color: rgba(11, 29, 58, 0.55);
}

.page-contact .channel-panel--desk .channel-panel__title {
  color: var(--navy);
}

.page-contact .channel-panel--desk .channel-panel__value {
  font-family: var(--font-sans);
  color: var(--navy);
}

.page-contact .channel-panel--desk .channel-panel__note {
  color: #0a7f96;
}

.page-contact .channel-panel--desk .channel-panel__desc {
  color: #46536a;
}

/* ---------- 问题分诊 ---------- */
.page-contact .triage__rail {
  position: relative;
  display: grid;
  gap: 30px;
  padding-left: 26px;
}

.page-contact .triage__rail::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 4px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, rgba(0, 180, 216, 0.75), rgba(0, 245, 212, 0.2) 72%, rgba(0, 245, 212, 0));
}

.page-contact .triage__item {
  position: relative;
}

.page-contact .triage__dot {
  position: absolute;
  left: -26px;
  top: 5px;
  width: 11px;
  height: 11px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--navy-deep);
  border: 1.5px solid var(--water);
}

.page-contact .triage__tag {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .triage__name {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ivory);
}

.page-contact .triage__desc {
  margin: 0 0 10px;
  font-size: 0.91rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .triage__route {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.08em;
  color: var(--aqua);
}

/* ---------- 提问准备清单 ---------- */
.page-contact .prep__panel {
  background: var(--sand);
  border-radius: var(--ct-radius-lg);
  padding: 34px 24px 36px;
}

.page-contact .prep__panel .section-title {
  color: var(--navy);
}

.page-contact .prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .prep__item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid rgba(11, 29, 58, 0.13);
}

.page-contact .prep__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: #0a7f96;
  padding-top: 3px;
}

.page-contact .prep__label {
  margin: 0 0 5px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--navy);
}

.page-contact .prep__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: #4a5768;
}

/* ---------- 响应节奏 ---------- */
.page-contact .rhythm__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .rhythm__media {
  margin: 0;
}

.page-contact .rhythm__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--ct-radius-c);
}

.page-contact .rhythm__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .rhythm__body .prose {
  margin-bottom: 22px;
}

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

.page-contact .rhythm__steps li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding: 14px 16px;
  border-left: 2px solid rgba(0, 180, 216, 0.5);
  border-radius: 0 16px 16px 0;
  background: linear-gradient(90deg, rgba(15, 37, 71, 0.9), rgba(15, 37, 71, 0.05));
}

.page-contact .rhythm__when {
  font-family: var(--font-mono);
  font-size: 0.79rem;
  letter-spacing: 0.06em;
  color: var(--aqua);
}

.page-contact .rhythm__what {
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 办公地点 ---------- */
.page-contact .visit__media {
  margin: 0 0 22px;
}

.page-contact .visit__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: var(--ct-radius-md);
}

.page-contact .visit__panel {
  padding: 28px 24px 32px;
  border: 1px solid rgba(0, 180, 216, 0.45);
  border-radius: var(--ct-radius-lg);
  background: linear-gradient(140deg, rgba(15, 37, 71, 0.92), rgba(11, 29, 58, 0.55));
}

.page-contact .visit__addr {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.98rem;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--ivory);
  word-break: break-word;
  user-select: all;
}

.page-contact .visit__note {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 结尾 ---------- */
.page-contact .outro {
  max-width: 76ch;
}

.page-contact .outro .section-title {
  margin-bottom: 18px;
}

/* ---------- 中屏 ---------- */
@media (min-width: 700px) {
  .page-contact .prep__panel {
    padding: 40px 36px 42px;
  }

  .page-contact .prep__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px 36px;
  }

  .page-contact .rhythm__steps li {
    grid-template-columns: 156px 1fr;
    align-items: baseline;
    gap: 18px;
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 940px) {
  .page-contact .channels__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-contact .channel-panel {
    min-height: 268px;
    padding: 30px 26px 34px;
  }

  .page-contact .triage__rail {
    grid-template-columns: repeat(5, 1fr);
    gap: 22px;
    padding-left: 0;
    padding-top: 42px;
  }

  .page-contact .triage__rail::before {
    left: 0;
    right: 0;
    top: 14px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, rgba(0, 180, 216, 0.75), rgba(0, 245, 212, 0.22) 72%, rgba(0, 245, 212, 0));
  }

  .page-contact .triage__dot {
    left: 0;
    top: -34px;
  }

  .page-contact .rhythm__grid {
    grid-template-columns: 5fr 7fr;
    gap: 52px;
    align-items: start;
  }

  .page-contact .visit__media {
    margin-bottom: 28px;
  }

  .page-contact .visit__panel {
    padding: 34px 38px 38px;
  }

  .page-contact .visit__addr {
    font-size: 1.06rem;
    max-width: 42ch;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .toc__link,
  .page-contact .prose a {
    transition: none;
  }
}