.page-contact {
  --ct-rail-w: 264px;
  padding-top: var(--s4);
  overflow-x: clip;
}

/* ===== 首屏 ===== */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  padding: var(--s3) 0 var(--s5);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: -120px 0 auto 0;
  height: 480px;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 100% at 10% 0%, rgba(53, 240, 196, .16), transparent 72%),
    radial-gradient(46% 88% at 96% 6%, rgba(255, 178, 77, .09), transparent 72%);
}

.page-contact .breadcrumbs {
  margin-bottom: var(--s3);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: var(--s4);
  align-items: center;
}

.page-contact .ct-hero__eyebrow {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
  margin: 0 0 var(--s2);
}

.page-contact .ct-hero h1 {
  font-size: clamp(30px, 5.4vw, 46px);
  line-height: 1.18;
  letter-spacing: -.01em;
  margin: 0 0 var(--s3);
  color: var(--text);
}

.page-contact .ct-hero__lead {
  max-width: 62ch;
  margin: 0 0 var(--s4);
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
}

.page-contact .ct-hero__shot {
  margin: 0;
  position: relative;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-contact .ct-hero__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-contact .ct-hero__shot::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(160deg, rgba(4, 21, 15, .12), rgba(4, 21, 15, .74));
}

/* ===== 区块头通用间距 ===== */
.page-contact .section-head {
  margin-bottom: var(--s4);
}

/* ===== 通道区 ===== */
.page-contact .ct-channels {
  padding: var(--s5) 0 var(--s5);
}

.page-contact .ct-split {
  display: grid;
  gap: var(--s3);
}

.page-contact .ct-rail {
  display: grid;
  gap: var(--s2);
}

.page-contact .ct-rail-item {
  display: block;
  padding: var(--s3);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--panel);
  text-decoration: none;
  color: var(--text);
  transition: border-color .24s var(--ease), background-color .24s var(--ease), transform .24s var(--ease);
}

.page-contact .ct-rail-item__num {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-contact .ct-rail-item__label {
  display: block;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 4px;
}

.page-contact .ct-rail-item__hint {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .ct-rail-item:hover {
  border-color: var(--cyan);
  background: var(--panel-2);
  transform: translateY(-2px);
}

.page-contact .ct-rail-item:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact:has(#chan-fix:target) .ct-rail-item[href="#chan-fix"],
.page-contact:has(#chan-squad:target) .ct-rail-item[href="#chan-squad"],
.page-contact:has(#chan-biz:target) .ct-rail-item[href="#chan-biz"] {
  border-color: var(--cyan);
  background: var(--panel-2);
  box-shadow: inset 0 0 0 1px rgba(53, 240, 196, .35);
}

.page-contact .ct-split__body {
  display: grid;
  gap: var(--s4);
  min-width: 0;
}

.page-contact .ct-panel {
  padding: var(--s4) var(--s3);
  scroll-margin-top: calc(var(--bar-h) + var(--s3));
}

.page-contact .ct-panel h3 {
  margin: var(--s3) 0 var(--s2);
  font-size: 22px;
  line-height: 1.35;
  color: var(--text);
}

.page-contact .ct-panel__desc {
  max-width: 64ch;
  margin: 0 0 var(--s3);
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .ct-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-list > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-list__key {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .ct-list__val {
  font-size: 16px;
  line-height: 1.72;
  color: var(--text);
}

/* ===== 联系方式 ===== */
.page-contact .ct-contact {
  padding: var(--s5) 0;
}

.page-contact .ct-contact__grid {
  display: grid;
  gap: var(--s4);
  align-items: start;
}

.page-contact .ct-dl {
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--panel);
  overflow: hidden;
}

.page-contact .ct-dl__row {
  display: grid;
  gap: 6px;
  padding: var(--s3);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-dl__row:last-child {
  border-bottom: 0;
}

.page-contact .ct-dl__key {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-contact .ct-dl__val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .ct-dl__val--mail {
  color: var(--cyan);
  font-size: 15px;
}

.page-contact .ct-contact__note {
  margin: var(--s3) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-contact__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 196, .38);
}

.page-contact .ct-contact__note a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.page-contact .ct-contact__shot {
  margin: 0;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-contact .ct-contact__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-contact .ct-contact__cap {
  display: block;
  padding: var(--s2) var(--s3);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ===== 处理流程 ===== */
.page-contact .ct-flow {
  padding: var(--s5) 0;
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--s3);
  counter-reset: none;
}

.page-contact .ct-step {
  padding: var(--s4) var(--s3);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--panel);
  border-left: 3px solid rgba(53, 240, 196, .5);
}

.page-contact .ct-step__num {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
  margin-bottom: var(--s2);
}

.page-contact .ct-step__title {
  margin: 0 0 var(--s2);
  font-size: 19px;
  color: var(--text);
}

.page-contact .ct-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

/* ===== 收尾横条 ===== */
.page-contact .ct-cta {
  padding: var(--s4) 0 var(--s6);
}

.page-contact .ct-cta__bar {
  display: grid;
  gap: var(--s3);
  padding: var(--s4) var(--s3);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background:
    linear-gradient(120deg, rgba(53, 240, 196, .10), transparent 58%),
    var(--panel-2);
}

.page-contact .ct-cta__kicker {
  margin: 0 0 var(--s2);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .ct-cta__title {
  margin: 0 0 var(--s2);
  font-size: 22px;
  line-height: 1.35;
  color: var(--text);
}

.page-contact .ct-cta__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

.page-contact .ct-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
}

/* ===== 断点 ===== */
@media (min-width: 560px) {
  .page-contact .ct-panel {
    padding: var(--s4);
  }

  .page-contact .ct-list > li {
    grid-template-columns: minmax(0, 132px) minmax(0, 1fr);
    gap: var(--s3);
  }

  .page-contact .ct-dl__row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: var(--s3);
    padding: var(--s3) var(--s4);
  }
}

@media (min-width: 880px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .84fr);
    gap: var(--s6);
  }

  .page-contact .ct-hero {
    padding: var(--s4) 0 var(--s6);
  }

  .page-contact .ct-contact__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: var(--s5);
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--s4);
  }

  .page-contact .ct-cta__bar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--s5);
    padding: var(--s5) var(--s4);
  }

  .page-contact .ct-cta__actions {
    flex-wrap: nowrap;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-split {
    grid-template-columns: var(--ct-rail-w) minmax(0, 1fr);
    gap: var(--s6);
    align-items: start;
  }

  .page-contact .ct-rail {
    position: sticky;
    top: calc(var(--bar-h) + var(--s3));
  }

  .page-contact .ct-panel {
    padding: var(--s5) var(--s4);
  }

  .page-contact .ct-split__body {
    gap: var(--s5);
  }
}

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

  .page-contact .ct-rail-item:hover {
    transform: none;
  }
}
<<<END>>>