.page-contact {
  --pc-gap: clamp(16px, 2.6vw, 28px);
  --pc-pad: clamp(20px, 4vw, 44px);
}

.page-contact .contact-crumbs {
  padding-top: clamp(18px, 3vw, 28px);
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(22px, 4vw, 44px) clamp(32px, 6vw, 72px);
}

.page-contact .contact-hero__frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: var(--pc-pad);
  border: 1px solid var(--hair);
  background: linear-gradient(155deg, rgba(23, 58, 94, 0.74) 0%, rgba(10, 23, 48, 0.92) 68%);
}

.page-contact .contact-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(90deg, var(--hair-soft) 1px, transparent 1px),
    linear-gradient(180deg, var(--hair-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.7;
  pointer-events: none;
}

.page-contact .contact-hero__frame::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 2;
  background: repeating-linear-gradient(90deg, var(--ochre) 0 14px, transparent 14px 28px);
  opacity: 0.6;
}

.page-contact .contact-hero__frame > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__title {
  margin: clamp(14px, 2vw, 22px) 0 clamp(14px, 2vw, 20px);
  max-width: 18em;
  font-size: clamp(30px, 6.2vw, 60px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  max-width: 40em;
  color: rgba(242, 239, 230, 0.78);
}

.page-contact .contact-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__jump a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--hair);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease, background-color 180ms ease;
}

.page-contact .contact-hero__jump a:hover,
.page-contact .contact-hero__jump a:focus-visible {
  border-color: var(--teal);
  color: var(--teal-soft);
  background: rgba(47, 182, 166, 0.09);
}

/* ---------- 通用章节 ---------- */
.page-contact .contact-section {
  position: relative;
  padding-block: clamp(44px, 7vw, 92px);
}

.page-contact .contact-section--alt {
  background: var(--ink-800);
}

.page-contact .section-head {
  max-width: 46rem;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .section-head h2 {
  margin: 10px 0 12px;
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .section-head p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 239, 230, 0.72);
}

/* ---------- 联络频道索引卡 ---------- */
.page-contact .channel-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .channel-list {
  display: grid;
  gap: var(--pc-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--hair);
  background: var(--ink-800);
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: -1px;
  bottom: -1px;
  left: -1px;
  width: 3px;
  background: transparent;
  transition: background-color 180ms ease;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: rgba(47, 182, 166, 0.7);
  background: var(--ink-700);
}

.page-contact .channel-card:hover::before,
.page-contact .channel-card:focus-within::before {
  background: var(--teal);
}

.page-contact .channel-card__no {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .channel-card h3 {
  margin: 6px 0 10px;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .channel-card p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.72);
}

.page-contact .channel-card .channel-card__value {
  font-family: var(--mono);
  font-size: clamp(13px, 1.7vw, 16px);
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--teal-soft);
  word-break: break-word;
}

.page-contact .channel-card .copy-btn {
  margin-top: 4px;
}

.page-contact .channel-card__link {
  display: inline-block;
  font-size: 14px;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 182, 166, 0.4);
  padding-bottom: 2px;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-contact .channel-card__link:hover,
.page-contact .channel-card__link:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

.page-contact .channel-figure {
  margin: 0;
  align-self: stretch;
}

/* ---------- 换设备邮件写法 ---------- */
.page-contact .mail-steps {
  margin: 0 0 clamp(24px, 4vw, 36px);
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hair);
}

.page-contact .mail-steps li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: clamp(10px, 2vw, 22px);
  padding: clamp(16px, 2.4vw, 22px) 0;
  border-bottom: 1px solid var(--hair-soft);
}

.page-contact .mail-steps__no {
  padding-top: 3px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-contact .mail-steps h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-contact .mail-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.7);
}

.page-contact .mail-note {
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid rgba(47, 182, 166, 0.42);
  border-left-width: 4px;
  background: rgba(47, 182, 166, 0.07);
}

.page-contact .mail-note p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 239, 230, 0.76);
}

.page-contact .mail-note .mail-note__title {
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--teal-soft);
}

.page-contact .mail-note a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 182, 166, 0.4);
}

.page-contact .mail-note a:hover,
.page-contact .mail-note a:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

.page-contact .mail-note .mail-note__actions {
  margin: 14px 0 0;
}

/* ---------- 合作与媒体 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .partner-card {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--hair);
  border-top: 2px solid var(--ochre);
  background: rgba(23, 58, 94, 0.5);
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-contact .partner-card:hover,
.page-contact .partner-card:focus-within {
  border-color: rgba(232, 184, 109, 0.6);
  background: rgba(23, 58, 94, 0.78);
}

.page-contact .partner-card h3 {
  margin: 6px 0 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(242, 239, 230, 0.72);
}

.page-contact .partner-foot {
  max-width: 52rem;
  margin: clamp(22px, 3.4vw, 32px) 0 0;
  padding-left: clamp(14px, 2vw, 20px);
  border-left: 2px solid var(--hair);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 239, 230, 0.66);
}

/* ---------- 回复时段 ---------- */
.page-contact .hours-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .hours-panel {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--hair);
  background: rgba(10, 23, 48, 0.55);
}

.page-contact .hours-panel__time {
  margin: 8px 0 14px;
  font-family: var(--mono);
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-contact .hours-panel h3 {
  margin: 8px 0 12px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .hours-panel p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 239, 230, 0.72);
}

.page-contact .hours-panel p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-outro {
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--hair-soft);
}

.page-contact .contact-outro p {
  max-width: 48rem;
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 239, 230, 0.66);
}

.page-contact .contact-outro .contact-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

/* ---------- 地域与备案 ---------- */
.page-contact .contact-region {
  padding-bottom: clamp(52px, 8vw, 104px);
}

.page-contact .region-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .region-copy h2 {
  margin: 10px 0 14px;
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .region-copy > p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 239, 230, 0.7);
}

.page-contact .region-meta {
  display: grid;
  gap: 14px;
  margin: clamp(18px, 3vw, 28px) 0 0;
}

.page-contact .region-meta div {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hair-soft);
}

.page-contact .region-meta dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--line);
}

.page-contact .region-meta dd {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(13px, 1.6vw, 15px);
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .region-meta dd.region-meta__icp {
  color: var(--gold);
  letter-spacing: 0.04em;
}

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

.page-contact .region-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 48em) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 56em) {
  .page-contact .hours-layout {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-contact .region-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 62em) {
  .page-contact .channel-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: stretch;
  }

  .page-contact .mail-steps li {
    grid-template-columns: 3rem minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero__jump a,
  .page-contact .channel-card,
  .page-contact .channel-card::before,
  .page-contact .partner-card,
  .page-contact .channel-card__link {
    transition: none;
  }
}