.page-contact {
  --contact-notch: 22px;
  --contact-halo: rgba(255, 107, 74, .2);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -22%;
  width: min(780px, 112vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, var(--contact-halo), rgba(255, 107, 74, 0) 66%);
  pointer-events: none;
  z-index: -1;
}

.page-contact .contact-crumbs {
  margin-bottom: clamp(1.4rem, 3.4vw, 2.4rem);
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.4rem);
  align-items: end;
}

.page-contact .contact-hero-copy {
  max-width: 44ch;
}

.page-contact .contact-hero-copy .display--xl {
  margin-block: .7rem .9rem;
  text-wrap: balance;
}

.page-contact .contact-hero-figure {
  margin: 0;
  display: grid;
  gap: .85rem;
}

.page-contact .contact-hero-media {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--contact-notch)), calc(100% - var(--contact-notch)) 100%, 0 100%);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--sea-800);
}

.page-contact .contact-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .contact-hero-caption {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--pearl-faint);
  padding-left: 2.2rem;
  position: relative;
}

.page-contact .contact-hero-caption::before {
  content: "";
  position: absolute;
  left: 0;
  top: .52em;
  width: 1.5rem;
  height: 1px;
  background: var(--coral);
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-channels {
  position: relative;
}

.page-contact .contact-channel-grid {
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.5rem);
  margin-top: clamp(1.8rem, 4vw, 2.8rem);
}

.page-contact .contact-channel {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2.2rem);
  background: linear-gradient(158deg, var(--sea-700), var(--sea-900) 84%);
  border: 1px solid var(--line);
  box-shadow: inset 3px 0 0 var(--coral);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--contact-notch)), calc(100% - var(--contact-notch)) 100%, 0 100%);
  transition: border-color .35s ease, background .35s ease, transform .35s ease;
}

.page-contact .contact-channel:hover,
.page-contact .contact-channel:focus-within {
  border-color: var(--edge);
  background: linear-gradient(158deg, var(--sea-600), var(--sea-800) 84%);
  transform: translateY(-2px);
}

.page-contact .contact-channel-index {
  display: block;
  font-size: .82rem;
  letter-spacing: .16em;
  color: var(--coral);
}

.page-contact .contact-channel-title {
  margin: .55rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--pearl);
}

.page-contact .contact-channel-value {
  margin: .5rem 0 .9rem;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.5;
  letter-spacing: .015em;
  color: var(--coral-soft);
  overflow-wrap: anywhere;
}

.page-contact .contact-channel-body {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--pearl-dim);
}

/* ---------- 流程 ---------- */
.page-contact .contact-flow-section {
  border-top: 1px solid var(--line);
}

.page-contact .contact-flow {
  list-style: none;
  margin: clamp(1.8rem, 4vw, 2.8rem) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(1.4rem, 3vw, 1.8rem);
}

.page-contact .contact-flow-item {
  position: relative;
  padding-top: 3rem;
  border-top: 1px solid var(--line-strong);
}

.page-contact .contact-flow-item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 46px;
  height: 2px;
  background: var(--coral);
}

.page-contact .contact-flow-num {
  position: absolute;
  top: .95rem;
  left: 0;
  font-size: .82rem;
  letter-spacing: .16em;
  color: var(--coral);
}

.page-contact .contact-flow-item h3 {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--pearl);
}

.page-contact .contact-flow-item p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--pearl-dim);
}

/* ---------- 到访 ---------- */
.page-contact .contact-visit {
  border-top: 1px solid var(--line);
}

.page-contact .contact-visit-grid {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
  align-items: center;
}

.page-contact .contact-visit-figure {
  margin: 0;
  position: relative;
}

.page-contact .contact-visit-media {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--contact-notch)), calc(100% - var(--contact-notch)) 100%, 0 100%);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--sea-800);
}

.page-contact .contact-visit-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .contact-visit-copy {
  --stack-gap: clamp(.85rem, 2vw, 1.15rem);
}

.page-contact .contact-detail {
  margin: .6rem 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-detail > div {
  display: grid;
  grid-template-columns: minmax(6rem, auto) minmax(0, 1fr);
  gap: 1rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-detail dt {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--coral);
}

.page-contact .contact-detail dd {
  margin: 0;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--pearl);
  overflow-wrap: anywhere;
}

.page-contact .contact-note {
  margin: 0;
  padding-left: .95rem;
  border-left: 2px solid var(--edge);
  font-size: .88rem;
  line-height: 1.75;
  color: var(--pearl-faint);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-next-inner {
  padding: clamp(1.8rem, 4vw, 3rem);
  background: linear-gradient(150deg, var(--sea-700), var(--sea-900) 88%);
}

.page-contact .contact-next-inner .display--md {
  margin: .6rem 0 .8rem;
}

.page-contact .contact-next-links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
}

.page-contact .contact-meta {
  margin: clamp(1.6rem, 3.5vw, 2.2rem) 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--pearl-faint);
  overflow-wrap: anywhere;
}

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

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
  }

  .page-contact .contact-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.6rem, 3vw, 2.4rem);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-visit-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .page-contact .contact-detail > div {
    grid-template-columns: minmax(0, 1fr);
    gap: .25rem;
  }

  .page-contact .contact-hero-caption {
    padding-left: 1.7rem;
  }
}
<<<END>>>