.page-contact {
  background-color: var(--ink-800);
  background-image:
    radial-gradient(circle at 12% 0%, rgba(53, 224, 208, .12), transparent 46%),
    radial-gradient(circle at 88% 18%, rgba(232, 176, 75, .08), transparent 42%);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .breadcrumb {
  padding-top: clamp(20px, 5vw, 36px);
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.page-contact .eyebrow {
  color: var(--cyan-500);
}

/* ---------- 首屏声明 ---------- */
.page-contact .contact-lede {
  margin-top: clamp(22px, 4.5vw, 40px);
  display: grid;
  gap: 14px;
  max-width: 100%;
}

.page-contact .contact-lede h1 {
  font-family: var(--font-title);
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: .02em;
  margin: 0;
  max-width: 18ch;
}

.page-contact .lede-text {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(15px, 2.6vw, 17px);
  line-height: 1.85;
  color: var(--cyan-100);
}

.page-contact .quick-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.page-contact .jump-chip {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--cyan-600);
  border-radius: var(--pill);
  background: var(--ink-700);
  color: var(--cyan-100);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .jump-chip:hover {
  border-color: var(--cyan-500);
  color: var(--paper);
  transform: translateY(-2px);
}

/* ---------- 左右分屏 ---------- */
.page-contact .contact-split {
  margin-top: clamp(26px, 5vw, 48px);
  display: grid;
  gap: 18px;
}

.page-contact .contact-channels {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .channel-card {
  background: var(--ink-700);
  border: 1px solid var(--ink-600);
  border-radius: var(--r-lg);
  padding: clamp(18px, 3.4vw, 28px);
}

.page-contact .channel-card--phone {
  border-color: var(--cyan-600);
  box-shadow: inset 3px 0 0 0 var(--gold-500);
}

.page-contact .channel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan-500);
}

.page-contact .channel-card h2 {
  margin: 8px 0 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--sage);
  overflow-wrap: anywhere;
}

.page-contact .channel-card--phone h2 {
  letter-spacing: .1em;
  color: var(--sage);
}

.page-contact .channel-value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--gold-500);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-value--mail {
  font-size: clamp(16px, 4.2vw, 24px);
  line-height: 1.35;
}

.page-contact .channel-value--phone {
  font-size: clamp(26px, 7.2vw, 40px);
  letter-spacing: .07em;
  color: var(--paper);
}

.page-contact .channel-note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--cyan-100);
}

.page-contact .channel-secondary {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--ink-600);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--sage);
  overflow-wrap: anywhere;
}

.page-contact .channel-secondary strong {
  color: var(--cyan-500);
  font-family: var(--font-mono);
  font-weight: 500;
}

/* ---------- 地址卡 ---------- */
.page-contact .contact-address {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink-800);
  border: 1px solid var(--gold-500);
  border-radius: var(--r-lg);
  padding: clamp(20px, 3.6vw, 34px);
}

.page-contact .address-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
  pointer-events: none;
}

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

.page-contact .address-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan-600);
}

.page-contact .address-line {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-size: clamp(19px, 3.6vw, 27px);
  line-height: 1.55;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-contact .address-note {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-contact .address-details {
  margin-top: 18px;
  border-top: 1px dashed var(--paper-dim);
}

.page-contact .address-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--ink-800);
}

.page-contact .address-details summary::-webkit-details-marker {
  display: none;
}

.page-contact .address-details summary::after {
  content: "＋";
  color: var(--cyan-600);
  font-size: 16px;
}

.page-contact .address-details[open] summary::after {
  content: "－";
}

.page-contact .transit-list {
  margin: 0 0 6px;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-700);
}

.page-contact .transit-list li + li {
  margin-top: 6px;
}

/* ---------- 通用分区 ---------- */
.page-contact .contact-section {
  margin-top: clamp(40px, 7vw, 80px);
}

.page-contact .section-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .section-head h2 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(23px, 4.8vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: .02em;
}

.page-contact .section-head p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cyan-100);
}

/* ---------- 邮箱分流 ---------- */
.page-contact .role-grid {
  display: grid;
  gap: 16px;
}

.page-contact .role-card {
  background: var(--ink-700);
  border-radius: var(--r-md);
  border-left: 3px solid var(--cyan-500);
  padding: clamp(18px, 3.2vw, 24px);
}

.page-contact .role-card--gold {
  border-left-color: var(--gold-500);
}

.page-contact .role-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-contact .role-mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .02em;
  color: var(--gold-500);
  overflow-wrap: anywhere;
}

.page-contact .role-card ul {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--cyan-100);
}

.page-contact .role-card li + li {
  margin-top: 5px;
}

/* ---------- 写邮件 ---------- */
.page-contact .guide-grid {
  display: grid;
  gap: 20px;
}

.page-contact .guide-media {
  margin: 0;
}

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

.page-contact .guide-media .media-frame__tag {
  font-family: var(--font-mono);
  letter-spacing: .08em;
}

.page-contact .guide-steps {
  list-style: none;
  counter-reset: gs;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .guide-steps li {
  counter-increment: gs;
  position: relative;
  padding: 14px 16px 14px 54px;
  background: var(--ink-700);
  border: 1px solid var(--ink-600);
  border-radius: var(--r-sm);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cyan-100);
}

.page-contact .guide-steps li::before {
  content: counter(gs, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold-500);
}

/* ---------- 电话回拨 ---------- */
.page-contact .callback {
  display: grid;
  gap: 16px;
  background: var(--ink-700);
  border: 1px solid var(--cyan-600);
  border-radius: var(--r-lg);
  padding: clamp(20px, 3.6vw, 32px);
}

.page-contact .callback-tel {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 7vw, 44px);
  letter-spacing: .09em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .callback p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cyan-100);
}

/* ---------- 合作 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: 22px;
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .check-list li {
  position: relative;
  padding-left: 28px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cyan-100);
}

.page-contact .check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  color: var(--gold-500);
}

.page-contact .partner-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-content: start;
}

.page-contact .fact {
  margin: 0;
  padding: 14px 16px;
  background: var(--ink-700);
  border: 1px dashed var(--cyan-600);
  border-radius: var(--r-sm);
}

.page-contact .fact b {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  color: var(--gold-500);
  line-height: 1.2;
}

.page-contact .fact span {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--sage);
}

/* ---------- 回复时段 ---------- */
.page-contact .hours {
  display: grid;
  border-top: 1px solid var(--ink-600);
}

.page-contact .hours-row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ink-600);
}

.page-contact .hours-key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--cyan-500);
}

.page-contact .hours-val {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cyan-100);
}

/* ---------- 后续去处 ---------- */
.page-contact .next-links {
  display: grid;
  gap: 12px;
}

.page-contact .next-card {
  display: block;
  padding: 18px;
  background: var(--ink-700);
  border: 1px solid var(--ink-600);
  border-radius: var(--r-md);
  text-decoration: none;
  color: var(--paper);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .next-card:hover {
  border-color: var(--cyan-500);
  transform: translateY(-2px);
}

.page-contact .next-card strong {
  display: block;
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.page-contact .next-card span {
  display: block;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--sage);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .role-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .callback {
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
    gap: 24px;
  }

  .page-contact .hours-row {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-split {
    grid-template-columns: 45fr 55fr;
    align-items: start;
  }

  .page-contact .guide-grid {
    grid-template-columns: 42fr 58fr;
    align-items: start;
  }

  .page-contact .partner-grid {
    grid-template-columns: 58fr 42fr;
    align-items: start;
  }

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

@media (min-width: 1080px) {
  .page-contact .next-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .jump-chip,
  .page-contact .next-card {
    transition: none;
  }

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