.page-contact {
  --ct-line: rgba(143, 179, 199, .22);
  --ct-line-strong: rgba(143, 179, 199, .42);
  --ct-card: linear-gradient(158deg, rgba(11, 43, 69, .92), rgba(6, 24, 38, .68));
  position: relative;
  overflow-x: hidden;
  background: var(--deep);
  color: var(--ice);
}

.page-contact .breadcrumb {
  padding-top: clamp(1rem, 4vw, 2rem);
  padding-bottom: clamp(.5rem, 2vw, 1rem);
}

/* ---------- hero ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(.75rem, 3vw, 1.5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto -10%;
  height: 130%;
  background:
    radial-gradient(circle at 16% 18%, rgba(53, 224, 208, .17), transparent 54%),
    radial-gradient(circle at 84% 6%, rgba(255, 107, 44, .14), transparent 48%);
  pointer-events: none;
}

.page-contact .ct-hero__frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.25rem, 4vw, 3rem);
  padding-left: clamp(1.75rem, 4.5vw, 3.25rem);
  border: 1px solid var(--ct-line-strong);
  border-radius: var(--r-xl);
  background: linear-gradient(152deg, rgba(11, 43, 69, .94), rgba(6, 24, 38, .58) 62%, rgba(6, 24, 38, .30));
}

.page-contact .ct-hero__frame::before {
  content: "";
  position: absolute;
  top: auto;
  bottom: -18%;
  left: 34%;
  right: -18%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  transform: rotate(-12deg);
  opacity: .55;
  pointer-events: none;
}

.page-contact .ct-hero__frame::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -180px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background:
    repeating-radial-gradient(circle at center, rgba(53, 224, 208, .18) 0 1px, transparent 1px 34px);
  opacity: .5;
  pointer-events: none;
  z-index: -1;
}

.page-contact .ct-hero__scale {
  position: absolute;
  top: clamp(1.25rem, 4vw, 2.75rem);
  bottom: clamp(1.25rem, 4vw, 2.75rem);
  left: 8px;
  width: 10px;
  background: repeating-linear-gradient(to bottom, var(--ct-line-strong) 0 1px, transparent 1px 15px);
  opacity: .8;
  pointer-events: none;
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: start;
}

.page-contact .ct-hero .eyebrow {
  margin-bottom: .85rem;
}

.page-contact .ct-hero h1 {
  margin: 0 0 clamp(.9rem, 2.6vw, 1.4rem);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 7.4vw, 4.15rem);
  line-height: 1.06;
  letter-spacing: -.022em;
  color: var(--ice);
}

.page-contact .ct-hero__lead {
  max-width: 34em;
  margin: 0 0 clamp(1.25rem, 3vw, 1.9rem);
  font-size: clamp(.98rem, 2.5vw, 1.08rem);
  line-height: 1.8;
  color: rgba(234, 246, 255, .82);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  align-items: center;
}

.page-contact .ct-copy__icon {
  display: inline-block;
  width: 13px;
  height: 15px;
  margin-right: .45rem;
  border: 1.6px solid currentColor;
  border-radius: 3px;
  position: relative;
  vertical-align: -2px;
}

.page-contact .ct-copy__icon::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 4px;
  width: 11px;
  height: 13px;
  border: 1.6px solid currentColor;
  border-radius: 3px;
  background: transparent;
  opacity: .6;
}

.page-contact .ct-hero__aside {
  display: grid;
  gap: .1rem;
  padding: clamp(1rem, 3vw, 1.5rem) 0 clamp(.9rem, 2.5vw, 1.2rem) clamp(1rem, 3vw, 1.4rem);
  border-left: 1px solid var(--ct-line-strong);
}

.page-contact .ct-hero__meta {
  padding: .55rem 0;
  border-bottom: 1px dashed var(--ct-line);
}

.page-contact .ct-hero__meta:last-of-type {
  border-bottom: 0;
}

.page-contact .ct-hero__label {
  margin: 0 0 .2rem;
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .ct-hero__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 2.4vw, 1.06rem);
  font-weight: 600;
  color: var(--ice);
}

.page-contact .ct-hero__hint {
  margin: .9rem 0 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-hero__media {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--ct-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: rgba(6, 24, 38, .6);
}

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

/* ---------- 三条通道 ---------- */
.page-contact .ct-paths {
  padding: clamp(2.25rem, 6vw, 4.5rem) 0;
}

.page-contact .ct-paths__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
}

.page-contact .ct-path {
  position: relative;
  padding: clamp(1.25rem, 3.4vw, 1.85rem);
  border: 1px solid var(--ct-line);
  border-radius: var(--r-lg);
  background: var(--ct-card);
  box-shadow: 0 26px 60px -46px rgba(0, 0, 0, .95);
}

.page-contact .ct-path::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(1.25rem, 3.4vw, 1.85rem);
  width: 42px;
  height: 3px;
  border-radius: var(--r-pill);
  background: var(--orange);
}

.page-contact .ct-path--phone::before {
  background: var(--cyan);
}

.page-contact .ct-path--mailbox::before {
  background: var(--yellow);
}

.page-contact .ct-path__no {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .ct-path__title {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.2vw, 1.42rem);
  font-weight: 800;
  color: var(--ice);
}

.page-contact .ct-path__value {
  display: block;
  margin: 0 0 .75rem;
  font-family: var(--font-mono);
  font-size: clamp(.94rem, 2.6vw, 1.05rem);
  font-weight: 600;
  line-height: 1.6;
  color: var(--cyan);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-path__value--mail {
  color: var(--orange);
}

.page-contact .ct-path__note {
  margin: 0 0 1rem;
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(234, 246, 255, .74);
}

.page-contact .ct-path__tag {
  margin: 0;
}

.page-contact .ct-path .btn {
  margin-top: .2rem;
}

/* ---------- 写邮件 ---------- */
.page-contact .ct-write {
  background: var(--canvas);
  color: var(--ink);
  padding: clamp(2.25rem, 6vw, 4.5rem) 0;
}

.page-contact .ct-write .eyebrow {
  color: rgba(11, 31, 46, .58);
}

.page-contact .ct-write .section-title {
  color: var(--ink);
}

.page-contact .ct-write__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
  margin-top: clamp(1.5rem, 4vw, 2.2rem);
  align-items: start;
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-step {
  position: relative;
  display: grid;
  grid-template-columns: 2.15rem minmax(0, 1fr);
  gap: .85rem;
  padding-bottom: 1.35rem;
}

.page-contact .ct-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 1.05rem;
  top: 2.35rem;
  bottom: .15rem;
  width: 1px;
  background: linear-gradient(to bottom, rgba(11, 31, 46, .28), rgba(11, 31, 46, .06));
}

.page-contact .ct-step__no {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  border: 1px solid rgba(11, 31, 46, .22);
  border-radius: 50%;
  background: #fff;
  font-family: var(--font-mono);
  font-size: .86rem;
  font-weight: 600;
  color: #0d6470;
}

.page-contact .ct-step__title {
  margin: .3rem 0 .3rem;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.7vw, 1.1rem);
  font-weight: 800;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .ct-step__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(11, 31, 46, .74);
}

.page-contact .ct-write__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(11, 31, 46, .12);
  background: #fff;
}

.page-contact .ct-write__media .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-write__media .media-frame__caption {
  padding: .8rem 1rem;
  font-size: .82rem;
  line-height: 1.6;
  color: rgba(11, 31, 46, .66);
  border-top: 1px solid rgba(11, 31, 46, .1);
}

/* ---------- 响应流程 ---------- */
.page-contact .ct-flow {
  padding: clamp(2.25rem, 6vw, 4.5rem) 0;
  background: var(--trench);
  border-top: 1px solid var(--ct-line);
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-flow__lead {
  margin: 1rem 0 clamp(1.5rem, 4vw, 2.2rem);
  max-width: 36em;
  color: rgba(234, 246, 255, .74);
}

.page-contact .ct-flow__list {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
  margin: 0;
  padding: 0;
}

.page-contact .ct-flow__item {
  position: relative;
  padding: 1.15rem 1.15rem 1.2rem;
  border: 1px solid var(--ct-line);
  border-radius: var(--r-md);
  background: rgba(6, 24, 38, .55);
}

.page-contact .ct-flow__dot {
  display: block;
  width: 10px;
  height: 10px;
  margin-bottom: .85rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(53, 224, 208, .14);
}

.page-contact .ct-flow__item:nth-child(2) .ct-flow__dot {
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 107, 44, .16);
}

.page-contact .ct-flow__item:nth-child(3) .ct-flow__dot {
  background: var(--yellow);
  box-shadow: 0 0 0 5px rgba(244, 197, 66, .16);
}

.page-contact .ct-flow__item:nth-child(4) .ct-flow__dot {
  background: var(--red);
  box-shadow: 0 0 0 5px rgba(226, 58, 58, .16);
}

.page-contact .ct-flow__title {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 800;
  color: var(--ice);
}

.page-contact .ct-flow__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.72;
  color: rgba(234, 246, 255, .72);
}

.page-contact .ct-flow__note {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: clamp(1.25rem, 3vw, 1.8rem) 0 0;
}

/* ---------- 问题分流 ---------- */
.page-contact .ct-route {
  padding: clamp(2.25rem, 6vw, 4.5rem) 0;
}

.page-contact .ct-route__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .75rem;
  margin-top: clamp(1.5rem, 4vw, 2.2rem);
}

.page-contact .ct-route__card {
  display: grid;
  gap: .3rem;
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--ct-line);
  border-radius: var(--r-md);
  background: rgba(11, 43, 69, .38);
  text-decoration: none;
  color: inherit;
  transition: border-color .3s var(--ease), transform .3s var(--ease), background .3s var(--ease);
}

.page-contact .ct-route__card:hover,
.page-contact .ct-route__card:focus-visible {
  border-color: rgba(53, 224, 208, .6);
  background: rgba(11, 43, 69, .62);
  transform: translateY(-2px);
}

.page-contact .ct-route__kicker {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .ct-route__title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.5;
  color: var(--ice);
}

.page-contact .ct-route__text {
  font-size: .85rem;
  line-height: 1.7;
  color: rgba(234, 246, 255, .68);
}

.page-contact .ct-route__go {
  justify-self: start;
  margin-top: .25rem;
  font-size: .8rem;
  color: var(--orange);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-outro {
  padding: 0 0 clamp(2.5rem, 6vw, 4rem);
}

.page-contact .ct-outro__inner {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.35rem, 4vw, 2.25rem);
  border: 1px solid var(--ct-line-strong);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, rgba(11, 43, 69, .8), rgba(6, 24, 38, .5));
}

.page-contact .ct-outro__title {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.6vw, 1.6rem);
  font-weight: 800;
  color: var(--ice);
}

.page-contact .ct-outro__text {
  margin: 0;
  max-width: 38em;
  font-size: .92rem;
  line-height: 1.78;
  color: rgba(234, 246, 255, .76);
}

.page-contact .ct-top {
  justify-self: start;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-paths__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-contact .ct-path--mail {
    grid-column: 1 / 2;
    margin-top: 0;
  }

  .page-contact .ct-path--phone {
    grid-column: 2 / 3;
    margin-top: 2.25rem;
  }

  .page-contact .ct-path--mailbox {
    grid-column: 1 / 3;
    margin-top: .5rem;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.25rem);
  }

  .page-contact .ct-hero__aside {
    margin-top: .4rem;
  }

  .page-contact .ct-write__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(1.75rem, 4vw, 3rem);
  }

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

  .page-contact .ct-outro__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-contact .ct-top {
    justify-self: end;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-paths__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 1.35rem;
  }

  .page-contact .ct-path--mail {
    grid-column: 1 / 2;
    margin-top: 2.4rem;
  }

  .page-contact .ct-path--phone {
    grid-column: 2 / 3;
    margin-top: .4rem;
  }

  .page-contact .ct-path--mailbox {
    grid-column: 3 / 4;
    margin-top: 1.6rem;
  }

  .page-contact .ct-route__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-route__card:first-child {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-route__card {
    transition: none;
  }

  .page-contact .ct-route__card:hover,
  .page-contact .ct-route__card:focus-visible {
    transform: none;
  }
}
<<<END>>>