.page-contact {
  --contact-card-bg: linear-gradient(150deg, rgba(18, 32, 54, .96), rgba(10, 19, 34, .92));
  --contact-value: clamp(17px, 4.4vw, 25px);
  --contact-spine: rgba(255, 139, 61, .55);
  display: block;
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-banner {
  position: relative;
  overflow: hidden;
  padding: 20px 0 38px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(760px 320px at 6% -12%, var(--cyan-soft), transparent 70%),
    radial-gradient(700px 360px at 98% 8%, var(--violet-soft), transparent 72%),
    linear-gradient(180deg, var(--night-2), var(--night));
}

.page-contact .contact-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(147, 160, 180, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(147, 160, 180, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 90%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 90%);
}

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

.page-contact .contact-banner__grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-contact .contact-banner h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 7.4vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-contact .contact-banner .lead {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .contact-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .contact-banner__figure {
  margin: 0;
}

.page-contact .contact-banner__figure .figure-media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--glass-bg);
}

.page-contact .contact-banner__figure .figure-caption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--stone);
}

/* ---------- 内容流与暖橙主轴 ---------- */
.page-contact .contact-flow {
  padding-top: 8px;
  padding-bottom: 40px;
}

.page-contact .contact-section {
  position: relative;
  padding: 40px 0 40px 22px;
}

.page-contact .contact-section::before {
  content: "";
  position: absolute;
  left: 0;
  top: 40px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--amber) 0%, var(--contact-spine) 50%, rgba(255, 139, 61, 0) 100%);
}

.page-contact .contact-section--end::before {
  background: linear-gradient(180deg, var(--amber) 0%, rgba(255, 139, 61, .2) 60%, rgba(255, 139, 61, 0) 100%);
}

.page-contact .contact-section .eyebrow {
  margin: 0 0 18px;
}

.page-contact .contact-section .section-head {
  margin-bottom: 24px;
}

.page-contact .contact-section .section-title {
  font-size: clamp(22px, 5.2vw, 30px);
}

.page-contact .contact-section .section-summary {
  margin-top: 10px;
  max-width: 68ch;
}

/* ---------- 联系方式 / 受理范围 对分 ---------- */
.page-contact .contact-split {
  display: grid;
  gap: 34px;
}

.page-contact .contact-lead {
  margin: 0 0 18px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .contact-cards {
  display: grid;
  gap: 14px;
}

.page-contact .contact-card {
  display: grid;
  gap: 9px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--contact-card-bg);
  box-shadow: var(--shadow-lg);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .contact-card--mail {
  border-left-color: var(--cyan);
}

.page-contact .contact-card--phone {
  border-left-color: var(--amber);
}

.page-contact .contact-card--addr {
  border-left-color: var(--violet);
}

.page-contact .contact-card:hover {
  transform: translateY(-2px);
}

.page-contact .contact-card__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-contact .contact-card--phone .contact-card__key {
  color: var(--amber);
}

.page-contact .contact-card--addr .contact-card__key {
  color: var(--violet);
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--contact-value);
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--cream);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .contact-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .contact-card__meta {
  margin: 4px 0 0;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--moss);
}

/* ---------- 受理类型 ---------- */
.page-contact .receive-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .receive-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 14px 16px 10px;
  border: 1px solid transparent;
  border-top-color: var(--line);
  border-radius: var(--radius);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .receive-item:last-child {
  border-bottom-color: var(--line);
}

.page-contact .receive-item:hover,
.page-contact .receive-item:focus-within {
  background: var(--amber-soft);
  border-color: rgba(255, 139, 61, .4);
}

.page-contact .receive-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--stone);
  background: rgba(30, 58, 82, .4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .receive-item:hover .receive-icon,
.page-contact .receive-item:focus-within .receive-icon {
  color: var(--amber);
  border-color: var(--amber);
}

.page-contact .receive-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .receive-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 受理示意图 ---------- */
.page-contact .contact-figure {
  margin: 32px 0 0;
  max-width: 560px;
}

.page-contact .contact-figure .figure-media {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--glass-bg);
}

.page-contact .contact-figure .figure-caption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--stone);
}

/* ---------- 回复节奏 ---------- */
.page-contact .reply-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .reply-node {
  position: relative;
  padding: 0 0 24px 26px;
  border-left: 1px solid var(--line);
}

.page-contact .reply-node:last-child {
  padding-bottom: 0;
}

.page-contact .reply-node::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--night);
  border: 2px solid var(--amber);
}

.page-contact .reply-node__key {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--violet);
}

.page-contact .reply-node__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .reply-node__body {
  margin: 0;
  max-width: 40ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 提交前可看 ---------- */
.page-contact .prep-grid {
  display: grid;
  gap: 14px;
}

.page-contact .prep-card {
  display: grid;
  gap: 10px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass-bg);
  backdrop-filter: blur(6px);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .prep-card:hover {
  border-color: rgba(49, 228, 210, .5);
  transform: translateY(-2px);
}

.page-contact .prep-card__key {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .prep-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .prep-card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .prep-link {
  justify-self: start;
  margin-top: 2px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 228, 210, .5);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .prep-link:hover {
  color: var(--cream);
  border-bottom-color: var(--amber);
}

.page-contact .prep-link:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

/* ---------- 站点信息 ---------- */
.page-contact .site-meta {
  border: 1px solid var(--line);
}

.page-contact .site-meta .data-val {
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-contact .site-meta__note {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--stone);
}

.page-contact .site-meta__note a {
  color: var(--stone);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .site-meta__note a:hover {
  color: var(--cyan);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-banner {
    padding: 26px 0 52px;
  }

  .page-contact .contact-banner__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 44px;
    margin-top: 30px;
  }

  .page-contact .contact-section {
    padding: 56px 0 56px 44px;
  }

  .page-contact .contact-section::before {
    top: 56px;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .contact-figure {
    margin-top: 44px;
    margin-right: 4%;
  }

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

  .page-contact .reply-node {
    padding: 26px 22px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .page-contact .reply-node:last-child {
    padding-bottom: 0;
    padding-right: 0;
  }

  .page-contact .reply-node::before {
    left: 0;
    top: -5px;
  }

  .page-contact .prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .contact-flow {
    padding-bottom: 72px;
  }
}

@media (min-width: 1140px) {
  .page-contact .contact-banner__figure {
    margin-right: -18px;
  }

  .page-contact .contact-card__value {
    letter-spacing: .015em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .prep-card,
  .page-contact .prep-link,
  .page-contact .receive-item,
  .page-contact .receive-icon {
    transition: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .prep-card:hover {
    transform: none;
  }
}
<<<END>>>