.page-contact {
  background:
    radial-gradient(900px 520px at 88% -10%, rgba(34, 224, 214, 0.10), transparent 62%),
    radial-gradient(680px 420px at 2% 36%, rgba(255, 77, 46, 0.07), transparent 60%),
    var(--ab-night);
  color: var(--ab-ink);
  padding-bottom: 88px;
  overflow-x: clip;
}

.page-contact .contact-hero {
  padding: 22px 0 32px;
  max-width: 780px;
}

.page-contact .contact-hero h1 {
  margin: 16px 0 20px;
  font-family: var(--ab-sans);
  font-size: clamp(32px, 6.6vw, 54px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ab-ink);
}

.page-contact .contact-hero .lead {
  margin: 0;
  max-width: 640px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ab-mist);
}

.page-contact .contact-hero .chip-row {
  margin-top: 26px;
}

.page-contact .contact-sky {
  margin: 6px 0 12px;
}

.page-contact .media {
  border-radius: var(--ab-radius);
  overflow: hidden;
  border: 1px solid var(--ab-steel);
}

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

.page-contact .media__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ab-mist);
  letter-spacing: 0.02em;
}

.page-contact .contact-flow {
  position: relative;
  padding-left: 18px;
}

.page-contact .contact-flow__line {
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(to bottom, var(--ab-path) 0%, var(--ab-path) 46%, rgba(34, 224, 214, 0.16) 100%);
}

@media (prefers-reduced-motion: no-preference) {
  .page-contact .contact-flow__line {
    transform-origin: top center;
    animation: contact-rail-grow 700ms var(--ab-ease) both;
  }
}

@keyframes contact-rail-grow {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

.page-contact .contact-node {
  position: relative;
  padding: 32px 0 6px;
}

.page-contact .contact-node + .contact-node {
  margin-top: 24px;
  border-top: 1px solid var(--ab-steel);
}

.page-contact .contact-node__dot {
  position: absolute;
  left: -18px;
  top: 42px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ab-path);
  box-shadow: 0 0 0 4px rgba(34, 224, 214, 0.14), 0 0 18px rgba(34, 224, 214, 0.55);
}

.page-contact .contact-node__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.page-contact .contact-node__num {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--ab-path);
}

.page-contact .contact-node__head h2 {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ab-ink);
}

.page-contact .contact-node__lead {
  margin: 0 0 22px;
  max-width: 660px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ab-mist);
}

/* 01 渠道 */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 20px;
  background: var(--ab-stand);
  border: 1px solid var(--ab-steel);
  border-radius: var(--ab-radius);
  transition: transform 160ms var(--ab-ease), border-color 160ms var(--ab-ease), background 160ms var(--ab-ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--ab-path);
  background: linear-gradient(180deg, rgba(34, 224, 214, 0.10), rgba(34, 224, 214, 0.02));
}

.page-contact .channel-card .chip {
  align-self: flex-start;
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--ab-ink);
}

.page-contact .channel-card__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ab-path-soft);
  word-break: break-word;
}

.page-contact .channel-card--addr .channel-card__value {
  color: var(--ab-amber);
}

.page-contact .channel-card__use {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ab-mist);
}

/* 02 咨询前准备 */
.page-contact .prepare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .prepare-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .prepare-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 18px;
  background: var(--ab-glass);
  border-left: 2px solid var(--ab-steel);
  border-radius: 0 var(--ab-radius) var(--ab-radius) 0;
  transition: border-color 160ms var(--ab-ease), background 160ms var(--ab-ease);
}

.page-contact .prepare-item:hover,
.page-contact .prepare-item:focus-within {
  border-left-color: var(--ab-path);
  background: var(--ab-glass-strong);
}

.page-contact .prepare-item__key {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ab-amber);
}

.page-contact .prepare-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ab-ink);
}

.page-contact .prepare-figure {
  margin: 0;
}

/* 03 回复时间 */
.page-contact .reply-strips {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .reply-strip {
  position: relative;
  padding: 16px 18px 16px 22px;
  background: rgba(11, 23, 48, 0.72);
  border: 1px solid var(--ab-steel);
  border-radius: var(--ab-radius);
}

.page-contact .reply-strip::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--ab-path);
}

.page-contact .reply-strip__label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ab-path-soft);
}

.page-contact .reply-strip__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ab-ink);
}

/* 04 服务地区与备案 */
.page-contact .region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.page-contact .region-cell {
  padding: 18px 14px;
  background: var(--ab-stand);
  border: 1px solid var(--ab-steel);
  border-radius: var(--ab-radius);
  text-align: center;
}

.page-contact .region-cell__num {
  display: block;
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ab-path);
}

.page-contact .region-cell__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--ab-mist);
}

.page-contact .region-line {
  margin: 20px 0 0;
  max-width: 660px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ab-mist);
}

.page-contact .icp-block {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding: 12px 18px;
  background: rgba(255, 176, 32, 0.06);
  border: 1px solid rgba(255, 176, 32, 0.38);
  border-radius: var(--ab-radius);
}

.page-contact .icp-block__label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ab-mist);
}

.page-contact .icp-block__value {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--ab-amber);
}

.page-contact .icp-note {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid rgba(255, 176, 32, 0.5);
  cursor: help;
  outline: none;
}

.page-contact .icp-note__icon {
  font-size: 11px;
  line-height: 1;
  color: var(--ab-amber);
}

.page-contact .icp-note__pop {
  position: absolute;
  left: -14px;
  bottom: calc(100% + 10px);
  width: min(250px, calc(100vw - 72px));
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--ab-ink);
  background: var(--ab-stand);
  border: 1px solid var(--ab-steel);
  border-radius: var(--ab-radius);
  box-shadow: var(--ab-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 160ms var(--ab-ease), transform 160ms var(--ab-ease), visibility 160ms;
  z-index: 8;
}

.page-contact .icp-note:hover .icp-note__pop,
.page-contact .icp-note:focus .icp-note__pop,
.page-contact .icp-note:focus-visible .icp-note__pop {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 05 合作与反馈 */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .coop-card {
  padding: 20px 18px;
  background: var(--ab-stand);
  border: 1px solid var(--ab-steel);
  border-top: 2px solid var(--ab-path);
  border-radius: var(--ab-radius);
}

.page-contact .coop-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ab-ink);
}

.page-contact .coop-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ab-mist);
}

.page-contact .coop-card .coop-card__hint {
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ab-amber);
}

.page-contact .coop-foot {
  margin: 18px 0 0;
  max-width: 700px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ab-mist);
}

.page-contact .coop-foot .mono {
  color: var(--ab-path-soft);
}

.page-contact .coop-foot__link {
  color: var(--ab-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--ab-steel);
  transition: color 160ms var(--ab-ease), border-color 160ms var(--ab-ease);
}

.page-contact .coop-foot__link:hover,
.page-contact .coop-foot__link:focus-visible {
  color: var(--ab-path-soft);
  border-bottom-color: var(--ab-path);
}

@media (min-width: 560px) {
  .page-contact .prepare-item {
    grid-template-columns: 98px 1fr;
    gap: 16px;
    align-items: start;
  }

  .page-contact .prepare-item__key {
    padding-top: 3px;
  }
}

@media (min-width: 768px) {
  .page-contact .contact-flow {
    padding-left: 42px;
  }

  .page-contact .contact-node__dot {
    left: -42px;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-contact .prepare-grid {
    grid-template-columns: 1.35fr 1fr;
    gap: 28px;
    align-items: start;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (min-width: 1040px) {
  .page-contact .contact-hero {
    padding-top: 34px;
  }

  .page-contact .contact-flow {
    padding-left: 56px;
  }

  .page-contact .contact-node__dot {
    left: -56px;
  }

  .page-contact .reply-strips {
    gap: 12px;
  }

  .page-contact .reply-strip {
    display: grid;
    grid-template-columns: 92px 1fr;
    gap: 22px;
    align-items: baseline;
  }

  .page-contact .reply-strip__label {
    margin-bottom: 0;
  }
}
<<<PAGE_CSS_END>>>