.page-contact {
  --pc-gap: 18px;
  --pc-pad: 22px;
  --pc-accent: var(--neon);
  padding-bottom: clamp(40px, 8vw, 84px);
}

/* ---------- Hero ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(18px, 5vw, 38px);
  background:
    radial-gradient(112% 82% at 92% -14%, rgba(123, 92, 255, .26), transparent 60%),
    radial-gradient(86% 66% at -6% 6%, rgba(47, 224, 208, .15), transparent 62%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 24%, rgba(255, 255, 255, .7), transparent 60%),
    radial-gradient(1.4px 1.4px at 68% 12%, rgba(255, 255, 255, .5), transparent 60%),
    radial-gradient(1.3px 1.3px at 84% 48%, rgba(47, 224, 208, .8), transparent 60%),
    radial-gradient(1.3px 1.3px at 32% 74%, rgba(123, 92, 255, .8), transparent 60%),
    radial-gradient(1.6px 1.6px at 52% 40%, rgba(255, 255, 255, .42), transparent 60%);
  opacity: .85;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 7vw, 50px);
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--mist);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-contact .contact-hero__title {
    background: linear-gradient(96deg, #F4EFE6 6%, #C9D2E3 54%, #2FE0D0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.page-contact .contact-hero__lede {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(15.5px, 4vw, 18px);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-hero__actions {
  margin-top: 24px;
  gap: 12px;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: clamp(26px, 5vw, 44px) 0 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--nebula), var(--nightsea));
  box-shadow: var(--shadow-float);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(5, 7, 15, 0) 52%, rgba(5, 7, 15, .72) 100%);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  opacity: .94;
}

/* ---------- 通道卡 ---------- */

.page-contact .contact-channel-grid {
  gap: var(--pc-gap);
  margin-top: clamp(22px, 4vw, 36px);
}

.page-contact .contact-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding: var(--pc-pad);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(14, 24, 48, .95), rgba(5, 7, 15, .9));
  transition: transform .42s var(--ease), box-shadow .42s var(--ease), border-color .42s var(--ease);
}

.page-contact .contact-channel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--pc-accent);
}

.page-contact .contact-channel--data { --pc-accent: var(--red); }
.page-contact .contact-channel--beta { --pc-accent: var(--neon); }
.page-contact .contact-channel--biz  { --pc-accent: var(--cyan); }

.page-contact .contact-channel__tag {
  align-self: flex-start;
  padding: 4px 10px;
  border: 1px solid var(--pc-accent);
  border-radius: 999px;
  background: rgba(5, 7, 15, .62);
  color: var(--pc-accent);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
}

.page-contact .contact-channel h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 4.4vw, 21px);
  font-weight: 700;
  line-height: 1.38;
  color: var(--paper);
}

.page-contact .contact-channel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--dust);
}

.page-contact .contact-channel__listhead {
  padding-top: 13px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-contact .contact-channel__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-channel__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--mist);
}

.page-contact .contact-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pc-accent);
}

.page-contact .contact-channel__note {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--dust);
}

@media (hover: hover) {
  .page-contact .contact-channel:hover {
    transform: translateY(-6px);
    border-color: var(--line-strong);
    box-shadow: var(--shadow-float);
  }
}

/* ---------- 联系方式信息牌 ---------- */

.page-contact .contact-direct__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 4vw, 34px);
}

.page-contact .contact-board {
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding: var(--pc-pad);
  border: 1px solid rgba(20, 22, 28, .16);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 20px 44px rgba(0, 0, 0, .42);
}

.page-contact .contact-board--mail { border-left: 4px solid var(--neon); }
.page-contact .contact-board--phone { border-left: 4px solid var(--cyan); }
.page-contact .contact-board--addr { border-left: 4px solid var(--yellow); }

.page-contact .contact-board__tag {
  align-self: flex-start;
  padding: 4px 10px;
  border: 1px dashed rgba(20, 22, 28, .4);
  border-radius: 999px;
  background: rgba(20, 22, 28, .06);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--ink);
}

.page-contact .contact-board__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(16px, 4.3vw, 20px);
  line-height: 1.5;
  letter-spacing: .01em;
  overflow-wrap: anywhere;
  color: var(--ink);
}

.page-contact .contact-board__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(20, 22, 28, .76);
}

.page-contact .contact-board__link {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(20, 22, 28, .4);
}

.page-contact .contact-board__link:hover {
  text-decoration-color: var(--neon);
}

/* ---------- 处理流程 ---------- */

.page-contact .contact-process__layout {
  display: grid;
  gap: 24px;
  margin-top: clamp(22px, 4vw, 34px);
}

.page-contact .contact-process__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--nightsea), var(--void));
}

.page-contact .contact-process__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: .9;
}

.page-contact .contact-process__media figcaption {
  padding: 12px 16px 16px;
  font-size: 13px;
  line-height: 1.66;
  color: var(--dust);
}

.page-contact .contact-steps {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-step {
  position: relative;
  padding: 18px 20px 18px 62px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--neon);
  border-radius: var(--radius-sm);
  background: linear-gradient(118deg, rgba(22, 50, 74, .52), rgba(14, 24, 48, .26));
  transition: border-color .4s var(--ease), background .4s var(--ease);
}

.page-contact .contact-step:hover {
  border-left-color: var(--cyan);
}

.page-contact .contact-step__num {
  position: absolute;
  left: 16px;
  top: 18px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-contact .contact-step h3 {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .contact-step p {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.76;
  color: var(--mist);
}

.page-contact .contact-step__link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-process__strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 24px 0 0;
  padding: 16px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: rgba(14, 24, 48, .5);
}

.page-contact .contact-process__strip span {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .03em;
  color: var(--mist);
}

.page-contact .contact-process__strip strong {
  font-weight: 600;
  color: var(--cyan);
}

/* ---------- 底部跳转 ---------- */

.page-contact .contact-next__panel {
  display: grid;
  gap: 20px;
  padding: clamp(24px, 5vw, 40px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(47, 224, 208, .18), transparent 58%),
    linear-gradient(140deg, rgba(123, 92, 255, .24), rgba(14, 24, 48, .9) 64%);
}

.page-contact .contact-next__title {
  margin: 0 0 9px;
  font-family: var(--font-display);
  font-size: clamp(19px, 4.6vw, 26px);
  font-weight: 700;
  line-height: 1.34;
  color: var(--paper);
}

.page-contact .contact-next__desc {
  margin: 0;
  max-width: 50ch;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--mist);
}

.page-contact .contact-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-contact {
    --pc-pad: 24px;
  }

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

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

@media (min-width: 960px) {
  .page-contact {
    --pc-gap: 22px;
  }

  .page-contact .contact-process__layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 42px;
    align-items: start;
  }

  .page-contact .contact-process__media {
    position: sticky;
    top: calc(var(--bar-h) + 26px);
  }

  .page-contact .contact-step:nth-child(even) {
    margin-left: 34px;
  }

  .page-contact .contact-step {
    padding: 20px 24px 20px 68px;
  }

  .page-contact .contact-step__num {
    left: 20px;
    top: 20px;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-hero__title {
    max-width: 21ch;
  }

  .page-contact .contact-next__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 34px;
  }
}

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

  .page-contact .contact-channel:hover {
    transform: none;
  }
}
<<<END>>>