/* ============ 联系对接页 · page-contact ============ */
.page-contact {
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .section {
  padding: 64px 0;
}

@media (min-width: 900px) {
  .page-contact .section {
    padding: 96px 0;
  }
}

/* ---------- 章节头 ---------- */
.page-contact .section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 18px;
  align-items: baseline;
  margin-bottom: 36px;
}

.page-contact .section-index {
  grid-row: 1 / span 2;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1;
  color: var(--coral);
  letter-spacing: -0.02em;
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--sea-900);
}

.page-contact .section-lead {
  grid-column: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: 40em;
}

@media (min-width: 760px) {
  .page-contact .section-lead {
    font-size: 16px;
  }
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  position: relative;
  padding: 36px 0 64px;
  background: var(--sea-900);
  color: var(--pearl);
  overflow: hidden;
}

.page-contact .contact-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line-deep) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-deep) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

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

@media (min-width: 900px) {
  .page-contact .contact-intro {
    padding: 44px 0 88px;
  }
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 40px;
  font-size: 13px;
  color: rgba(232, 238, 242, 0.6);
}

.page-contact .breadcrumbs__link {
  color: rgba(232, 238, 242, 0.8);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

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

.page-contact .breadcrumbs__sep {
  color: rgba(232, 238, 242, 0.34);
}

.page-contact .contact-intro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 900px) {
  .page-contact .contact-intro__grid {
    grid-template-columns: 7fr 5fr;
    gap: 64px;
    align-items: center;
  }
}

.page-contact .eyebrow {
  display: inline-block;
  position: relative;
  padding-left: 34px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 24px;
  height: 1px;
  background: var(--coral);
}

.page-contact .contact-intro__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 5vw, 50px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--pearl);
}

.page-contact .contact-intro__lead {
  margin: 0 0 32px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(232, 238, 242, 0.82);
}

@media (min-width: 760px) {
  .page-contact .contact-intro__lead {
    font-size: 16px;
  }
}

.page-contact .contact-intro__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 40px;
  padding-top: 22px;
  border-top: 1px solid var(--line-light);
}

.page-contact .contact-intro__meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .contact-intro__meta-key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(232, 238, 242, 0.52);
}

.page-contact .contact-intro__meta-val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--pearl);
}

.page-contact .contact-intro__figure {
  margin: 0;
  border: 1px solid var(--line-light);
  background: var(--sea-700);
}

.page-contact .contact-intro__figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.88) brightness(0.9);
}

.page-contact .contact-intro__figure .media-frame__caption {
  padding: 12px 16px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(232, 238, 242, 0.6);
}

/* ---------- 三条通道 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 780px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

.page-contact .channel-card {
  --accent: var(--coral);
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px 22px;
  background: var(--pearl);
  border: 1px solid var(--line-soft);
  border-top: 4px solid var(--accent);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.page-contact .channel-card:hover {
  transform: translateY(-3px);
}

.page-contact .channel-card--phone {
  --accent: var(--gold);
}

.page-contact .channel-card--hours {
  --accent: var(--teal);
}

.page-contact .channel-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--sea-900);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--coral-700);
  word-break: break-word;
}

.page-contact .channel-card--phone .channel-card__value {
  color: var(--sea-700);
}

.page-contact .channel-card--hours .channel-card__value {
  color: var(--teal-700);
}

.page-contact .channel-card__fit {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .channel-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: auto 0 0;
  padding-top: 6px;
}

.page-contact .channel-card__tag {
  padding: 4px 9px;
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--sea-700);
  background: var(--mist);
  border: 1px solid var(--line-soft);
}

/* ---------- 问之前先看一眼 ---------- */
.page-contact .contact-paths {
  background: var(--pearl);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.page-contact .filter-btn {
  padding: 9px 18px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--sea-700);
  background: transparent;
  border: 1px solid var(--line-soft);
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.page-contact .filter-btn:hover {
  border-color: var(--coral);
  color: var(--coral-700);
}

.page-contact .filter-btn:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-contact .filter-btn[aria-pressed="true"] {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--pearl);
}

.page-contact .path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .path-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.16s ease;
}

.page-contact .path-item:hover {
  background: rgba(255, 107, 61, 0.05);
}

@media (min-width: 860px) {
  .page-contact .path-item {
    grid-template-columns: 1.05fr 1.7fr auto;
    gap: 36px;
    align-items: baseline;
    padding: 24px 12px;
  }
}

.page-contact .path-item.is-out {
  display: none;
}

.page-contact .path-item__q {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.55;
  color: var(--sea-900);
}

.page-contact .path-item__a {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

.page-contact .path-item__link {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--coral-700);
  text-decoration: none;
  border-bottom: 1px solid var(--coral);
  padding-bottom: 2px;
  white-space: nowrap;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-contact .path-item__link:hover,
.page-contact .path-item__link:focus-visible {
  color: var(--sea-900);
  border-bottom-color: var(--sea-900);
}

.page-contact .filter-empty {
  margin: 26px 0 0;
  font-size: 14px;
  color: var(--slate);
}

/* ---------- 服务分工与地址 ---------- */
.page-contact .service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 960px) {
  .page-contact .service-grid {
    grid-template-columns: 7fr 5fr;
    gap: 72px;
    align-items: start;
  }
}

.page-contact .service-main__text {
  margin: 0 0 20px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .service-main__text:last-of-type {
  margin-bottom: 36px;
  color: var(--slate);
}

.page-contact .stat-row {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line-soft);
}

@media (min-width: 640px) {
  .page-contact .stat-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-contact .stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

@media (min-width: 640px) {
  .page-contact .stat {
    padding: 26px 22px;
    border-bottom: 0;
    border-left: 1px solid var(--line-soft);
  }

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

.page-contact .stat__value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 0;
}

.page-contact .stat__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(32px, 4.6vw, 44px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--coral-700);
}

.page-contact .stat__unit {
  font-size: 14px;
  color: var(--slate);
}

.page-contact .stat__label {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

.page-contact .service-side {
  padding: 28px 24px 26px;
  background: var(--sea-900);
  color: var(--pearl);
  border-top: 4px solid var(--gold);
}

.page-contact .service-side__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--pearl);
}

.page-contact .service-side__addr {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 238, 242, 0.92);
}

.page-contact .service-side__note {
  margin: 0 0 22px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(232, 238, 242, 0.6);
}

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

.page-contact .keyed__row {
  display: grid;
  grid-template-columns: 6.5em 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-contact .keyed__key {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(232, 238, 242, 0.55);
}

.page-contact .keyed__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--pearl);
}

/* ---------- 通栏视觉 ---------- */
.page-contact .contact-band {
  position: relative;
  margin: 0;
  background: var(--sea-900);
  overflow: hidden;
}

.page-contact .contact-band__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 440px;
  object-fit: cover;
  opacity: 0.72;
  filter: saturate(0.82) brightness(0.82);
}

.page-contact .contact-band__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px clamp(20px, 5vw, 72px) 22px;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(232, 238, 242, 0.9);
  background: linear-gradient(to top, rgba(10, 42, 67, 0.94), rgba(10, 42, 67, 0));
}

/* ---------- 合作对接 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

@media (min-width: 900px) {
  .page-contact .partner-grid {
    grid-template-columns: 7fr 5fr;
    gap: 64px;
    align-items: start;
  }
}

.page-contact .partner-grid__intro {
  margin: 0 0 24px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .partner-list__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .partner-list__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--coral);
}

.page-contact .partner-list__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .partner-grid__aside {
  padding: 26px 24px 28px;
  background: var(--pearl);
  border: 1px solid var(--line-soft);
  border-left: 4px solid var(--teal);
}

.page-contact .partner-grid__aside-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .partner-grid__mail {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--teal-700);
  word-break: break-word;
}

.page-contact .partner-grid__aside-note {
  margin: 0 0 22px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .partner-grid__aside-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--sea-700);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-contact .partner-grid__aside-link:hover,
.page-contact .partner-grid__aside-link:focus-visible {
  color: var(--coral-700);
  border-bottom-color: var(--coral);
}

/* ---------- 备案与主体信息 ---------- */
.page-contact .contact-filing {
  padding: 40px 0 56px;
  background: var(--sea-700);
  color: var(--pearl);
}

.page-contact .filing-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line-light);
}

@media (min-width: 780px) {
  .page-contact .filing-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-contact .filing-row__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-light);
}

@media (min-width: 780px) {
  .page-contact .filing-row__item {
    padding: 20px 24px;
    border-bottom: 0;
    border-left: 1px solid var(--line-light);
  }

  .page-contact .filing-row__item:first-child {
    border-left: 0;
    padding-left: 0;
  }
}

.page-contact .filing-row__key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(232, 238, 242, 0.6);
}

.page-contact .filing-row__val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--pearl);
  word-break: break-word;
}

.page-contact .filing-note {
  margin: 26px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(232, 238, 242, 0.66);
}

.page-contact .filing-note__link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 169, 59, 0.5);
  transition: border-color 0.16s ease;
}

.page-contact .filing-note__link:hover,
.page-contact .filing-note__link:focus-visible {
  border-bottom-color: var(--gold);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .path-item,
  .page-contact .filter-btn,
  .page-contact .path-item__link,
  .page-contact .breadcrumbs__link {
    transition: none;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}