.page-contact {
  --contact-gap: clamp(16px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(16px, 2.6vw, 30px) clamp(40px, 6vw, 72px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 46px);
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 7.4vw, 78px);
  line-height: 1.06;
  letter-spacing: .02em;
  color: var(--sand);
}

.page-contact .contact-hero__lede {
  margin: 20px 0 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: rgba(242, 237, 228, .82);
}

.page-contact .contact-quick {
  margin: 0;
  border-top: 1px solid var(--line-strong);
}

.page-contact .contact-quick__row {
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-quick dt {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--silver);
}

.page-contact .contact-quick dd {
  margin: 6px 0 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--sand);
  overflow-wrap: anywhere;
}

/* ---------- 通用章节标题 ---------- */
.page-contact .section-head {
  max-width: 730px;
  margin-bottom: clamp(24px, 3.6vw, 42px);
}

.page-contact .section-head__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.18;
  letter-spacing: .01em;
  color: var(--sand);
}

.page-contact .section-head__lede {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
}

/* ---------- 渠道拼贴 ---------- */
.page-contact .contact-visual {
  margin: 0 0 clamp(24px, 3.4vw, 38px);
}

.page-contact .channel-strip {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px 22px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: border-color .25s ease, box-shadow .25s ease;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--accent, var(--steel));
}

.page-contact .channel-card--mail { --accent: var(--amber); }
.page-contact .channel-card--phone { --accent: var(--cyan); }
.page-contact .channel-card--addr { --accent: var(--steel); }

.page-contact .channel-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.page-contact .channel-card__index {
  margin: 0;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--silver);
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: 20px;
  letter-spacing: .04em;
  color: var(--sand);
}

.page-contact .channel-card__value {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--accent, var(--sand));
  overflow-wrap: anywhere;
}

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

.page-contact .channel-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .channel-card__foot {
  margin: auto 0 0;
  padding-top: 8px;
}

/* ---------- 受理与响应 ---------- */
.page-contact .contact-split {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
}

.page-contact .contact-clock {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-contact .contact-clock__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--silver);
}

.page-contact .contact-clock__value {
  margin: 0;
  font-size: clamp(28px, 5vw, 38px);
  line-height: 1.1;
  letter-spacing: .04em;
  color: var(--sand);
}

.page-contact .contact-clock__dash {
  margin: 0 .18em;
  color: var(--amber);
}

.page-contact .contact-clock__scale {
  display: flex;
  gap: 6px;
  height: 10px;
}

.page-contact .contact-clock__scale i {
  position: relative;
  flex: 1;
  border-top: 1px solid var(--steel);
}

.page-contact .contact-clock__scale i::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 1px;
  height: 8px;
  background: var(--cyan);
  opacity: .45;
}

.page-contact .contact-clock__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .contact-response {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-response__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 42px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-contact .contact-response__unit {
  margin-left: .4em;
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: .12em;
  color: var(--silver);
}

.page-contact .contact-response__label {
  margin: 10px 0 0;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--silver);
}

.page-contact .contact-paths__title {
  margin: 0 0 18px;
  font-size: 22px;
  letter-spacing: .03em;
  color: var(--sand);
}

.page-contact .contact-checklist {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
}

.page-contact .contact-checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-checklist__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-checklist__no {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .contact-checklist__title {
  margin: 0 0 5px;
  font-size: 16px;
  letter-spacing: .02em;
  color: var(--sand);
}

.page-contact .contact-checklist__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
}

/* ---------- 订阅 ---------- */
.page-contact .subscribe-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .subscribe__title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.18;
  letter-spacing: .01em;
  color: var(--sand);
}

.page-contact .subscribe__lede {
  margin: 0 0 20px;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(242, 237, 228, .84);
}

.page-contact .subscribe__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-contact .subscribe__list li {
  position: relative;
  padding: 5px 0 5px 22px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 237, 228, .86);
}

.page-contact .subscribe__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1em;
  width: 9px;
  height: 1px;
  background: var(--amber);
}

.page-contact .subscribe__how {
  padding-top: 18px;
  border-top: 1px solid rgba(242, 237, 228, .22);
}

.page-contact .subscribe__how p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 237, 228, .86);
}

.page-contact .subscribe__how-title {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-contact .subscribe__how .mono {
  color: var(--sand);
  overflow-wrap: anywhere;
}

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

/* ---------- 通信地址 ---------- */
.page-contact .address-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-contact .address__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.24;
  letter-spacing: .01em;
  color: var(--sand);
}

.page-contact .address__lede {
  margin: 16px 0 22px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .address__list {
  margin: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .address__row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .address__row dt {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--silver);
  padding-top: 3px;
}

.page-contact .address__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sand);
}

.page-contact .address__map {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-contact .addr-map {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .addr-map .m-line {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
}

.page-contact .addr-map .m-block {
  fill: none;
  stroke: var(--steel);
  stroke-width: 1;
}

.page-contact .addr-map .m-link {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1;
  stroke-dasharray: 3 4;
}

.page-contact .addr-map .m-pin {
  fill: var(--amber);
}

.page-contact .address__map-cap {
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--silver);
}

/* ---------- 咨询分类 ---------- */
.page-contact .topic-grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .topic-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: var(--ink);
  border: 1px solid var(--line);
  transition: border-color .25s ease, box-shadow .25s ease;
}

.page-contact .topic-card:hover {
  border-color: rgba(47, 214, 232, .55);
  box-shadow: var(--shadow-sm);
}

.page-contact .topic-card__index {
  margin: 0;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--amber);
}

.page-contact .topic-card__title {
  margin: 0;
  font-size: 18px;
  letter-spacing: .03em;
  color: var(--sand);
}

.page-contact .topic-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .topic-card__meta {
  margin: auto 0 0;
  padding-top: 12px;
  font-size: 13px;
  color: var(--silver);
}

.page-contact .topic-card__meta a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 214, 232, .42);
}

.page-contact .topic-card__meta a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .contact-footnote {
  margin: clamp(28px, 4vw, 42px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .contact-footnote a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 214, 232, .42);
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-contact .channel-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(270px, .58fr);
    align-items: end;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 336px) minmax(0, 1fr);
  }

  .page-contact .subscribe-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: center;
  }

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
  }
}

@media (min-width: 1100px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .page-contact .channel-card {
    padding: 22px 18px 20px;
  }

  .page-contact .contact-clock {
    padding: 22px 18px;
  }

  .page-contact .address__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-contact .address__row dt {
    padding-top: 0;
  }

  .page-contact .contact-checklist__item {
    gap: 12px;
  }

  .page-contact .address__map {
    padding: 16px;
  }
}