.page-contact {
  --pc-gap: clamp(30px, 4vw, 56px);
  --pc-track: 238px;
  display: block;
  padding-bottom: clamp(64px, 9vw, 128px);
}

.page-contact .contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  padding-top: clamp(26px, 4.5vw, 52px);
}

/* ---------- 侧边联系轨道 ---------- */
.page-contact .contact-track {
  min-width: 0;
}

.page-contact .track-inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .track-lead {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .track-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 0 8px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-contact .track-list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-contact .track-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--bg-panel-soft);
  color: var(--text-soft);
  font-size: 0.82rem;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-contact .track-item:hover,
.page-contact .track-item:focus-visible {
  color: var(--text);
  border-color: var(--line-cyan);
  background: rgba(0, 229, 199, 0.09);
}

.page-contact .track-idx {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-contact .track-card {
  display: none;
}

.page-contact .track-card-label {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .track-card-val {
  margin: 8px 0 4px;
  font-family: var(--f-mono);
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  color: var(--c-cyan);
}

.page-contact .track-card-note {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 主内容流 ---------- */
.page-contact .contact-flow {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(48px, 7vw, 96px);
}

.page-contact .contact-flow .contact-section {
  min-width: 0;
}

.page-contact .contact-section[id] {
  scroll-margin-top: calc(var(--bar-h) + 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .hero-mark {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.34em;
  color: var(--text-dim);
  opacity: 0.75;
}

.page-contact .contact-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-size: clamp(2rem, 6.4vw, 3.6rem);
  font-weight: 300;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .contact-hero h1 em {
  font-style: normal;
  color: var(--c-cyan);
}

.page-contact .contact-lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.9;
  color: var(--text-soft);
}

/* ---------- 联系渠道矩阵 ---------- */
.page-contact .channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--r-lg);
}

.page-contact .ch-mail {
  border-color: var(--line-cyan);
  background-image: linear-gradient(150deg, rgba(0, 229, 199, 0.13), rgba(13, 43, 69, 0) 64%);
}

.page-contact .channel-kind {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .channel-value {
  margin: 0;
  font-size: clamp(1rem, 1.9vw, 1.26rem);
  line-height: 1.55;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .ch-mail .channel-value {
  color: var(--c-cyan);
}

.page-contact .value-mono {
  font-family: var(--f-mono);
  letter-spacing: -0.01em;
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .channel-note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .channel-use {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel-use li {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(7, 26, 43, 0.5);
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--text-soft);
}

.page-contact .ch-visual {
  min-height: 190px;
  border-radius: var(--r-lg);
  overflow: hidden;
}

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

/* ---------- 服务时间带 ---------- */
.page-contact .hours-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .hour-num {
  margin: 0;
  font-family: var(--f-mono);
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  letter-spacing: -0.02em;
  color: var(--c-coral);
}

.page-contact .hour-title {
  margin: 10px 0 5px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.page-contact .hour-note {
  margin: 0;
  max-width: 34ch;
  font-size: 0.84rem;
  line-height: 1.8;
  color: var(--text-soft);
}

/* ---------- 数据疑问步骤 ---------- */
.page-contact .steps {
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-contact .step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 4px 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .step-no {
  padding-top: 4px;
  font-family: var(--f-mono);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

.page-contact .step-body h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text);
}

.page-contact .step-body p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .data-tip {
  margin: 24px 0 0;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .data-tip a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-contact .data-tip a:hover,
.page-contact .data-tip a:focus-visible {
  color: var(--c-mist);
}

/* ---------- 商务合作折叠面板 ---------- */
.page-contact .section-note {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .co-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .co-details {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-panel-soft);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-contact .co-details[open] {
  border-color: var(--line-cyan);
  background: var(--bg-panel);
}

.page-contact .co-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px clamp(18px, 2.4vw, 26px);
  font-size: 0.96rem;
  line-height: 1.5;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .co-summary::after {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--c-cyan);
  border-bottom: 2px solid var(--c-cyan);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.3s var(--ease);
}

.page-contact .co-details[open] .co-summary::after {
  transform: rotate(225deg) translate(-2px, -2px);
}

.page-contact .co-body {
  padding: 0 clamp(18px, 2.4vw, 26px) 22px;
}

.page-contact .co-body p {
  margin: 0;
  max-width: 66ch;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .visit-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 2.6vw, 32px);
  border-radius: var(--r-lg);
  background-image: linear-gradient(200deg, rgba(139, 92, 246, 0.12), rgba(13, 43, 69, 0) 58%);
}

.page-contact .visit-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .visit-list li {
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .visit-key {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-coral);
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-coral);
}

.page-contact .visit-visual {
  min-height: 230px;
  border-radius: var(--r-lg);
  overflow: hidden;
}

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

/* ---------- 收尾 ---------- */
.page-contact .contact-outro {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(24px, 3.4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background-image: linear-gradient(120deg, rgba(139, 92, 246, 0.16), rgba(7, 26, 43, 0) 62%);
}

.page-contact .outro-text {
  margin: 0;
  max-width: 52ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .channels {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-contact .ch-mail { grid-column: 1 / 5; }
  .page-contact .ch-visual { grid-column: 5 / 7; }
  .page-contact .ch-phone { grid-column: 1 / 3; }
  .page-contact .ch-hours { grid-column: 3 / 5; }
  .page-contact .ch-visit { grid-column: 5 / 7; }

  .page-contact .step {
    grid-template-columns: 72px minmax(0, 1fr);
    padding: 26px 0;
  }

  .page-contact .contact-outro {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 900px) {
  .page-contact .hours-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .hour-cell {
    padding: 0 clamp(16px, 2.4vw, 30px);
    border-left: 1px solid var(--line-soft);
  }

  .page-contact .hour-cell:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: stretch;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-shell {
    grid-template-columns: var(--pc-track) minmax(0, 1fr);
  }

  .page-contact .track-inner {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
  }

  .page-contact .track-list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-contact .track-item {
    white-space: normal;
    width: 100%;
  }

  .page-contact .track-card {
    display: block;
    margin-top: 8px;
    padding: 18px 20px;
    border: 1px solid var(--line-cyan);
    border-radius: var(--r-md);
    background: linear-gradient(160deg, rgba(0, 229, 199, 0.16), rgba(13, 43, 69, 0.55) 68%);
  }
}
<<<END>>>