.page-contact {
  --ct-grid-line: rgba(34, 230, 210, .09);
  --ct-surface: var(--ink-800);
  --ct-hover: rgba(34, 230, 210, .07);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 72px;
  border-bottom: 3px solid var(--line-700);
  background:
    radial-gradient(960px 480px at 88% -8%, rgba(34, 230, 210, .16), transparent 64%),
    radial-gradient(760px 420px at 0% 14%, rgba(123, 92, 255, .18), transparent 62%),
    var(--ink-900);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(640px, 62%);
  background: repeating-linear-gradient(96deg, transparent 0 26px, rgba(34, 230, 210, .1) 26px 27px);
  opacity: .7;
  pointer-events: none;
}

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

.page-contact .breadcrumb {
  margin-bottom: 26px;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 42px;
  align-items: start;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.2vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-hero__title em {
  display: block;
  font-style: normal;
  color: var(--cyan);
}

.page-contact .contact-hero__intro .lede {
  margin-top: 20px;
  max-width: 56ch;
}

/* 渠道卡 */
.page-contact .channel-board {
  margin-top: 34px;
  border: 3px solid var(--line-700);
  background: var(--ct-surface);
  box-shadow: var(--shadow-hard);
}

.page-contact .channel {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 20px 22px;
  border-bottom: 3px solid var(--line-700);
}

.page-contact .channel:last-child {
  border-bottom: 0;
}

.page-contact .channel__k {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .channel__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1rem, 2.4vw, 1.4rem);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .channel--email .channel__v {
  color: var(--cyan);
}

.page-contact .channel--addr {
  background-image:
    linear-gradient(var(--ct-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--ct-grid-line) 1px, transparent 1px);
  background-size: 26px 26px;
}

.page-contact .channel--addr::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 20px;
  width: 11px;
  height: 11px;
  transform: translateY(-50%) rotate(45deg);
  border: 2px solid var(--orange);
  background: var(--ink-900);
}

/* 到访折叠 */
.page-contact .contact-visit {
  margin-top: 22px;
  border: 3px solid var(--line-700);
  background: rgba(14, 21, 51, .7);
}

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

.page-contact .contact-visit__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 22px;
  text-align: left;
  background: transparent;
  border: 0;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: .98rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 220ms var(--ease), color 220ms var(--ease);
}

.page-contact .contact-visit__trigger:hover {
  background: var(--ct-hover);
  color: var(--cyan);
}

.page-contact .contact-visit .accordion__content {
  padding: 0 22px 20px;
  display: grid;
  gap: 10px;
  font-size: .92rem;
  color: var(--mist);
  line-height: 1.75;
}

.page-contact .contact-visit .accordion__content p {
  margin: 0;
}

.page-contact .contact-visit .accordion__content a {
  color: var(--cyan);
}

/* 首屏配图 */
.page-contact .contact-hero__aside {
  display: grid;
  gap: 22px;
  align-content: start;
  margin: 0;
}

.page-contact .hero-map {
  position: relative;
  margin: 0;
  border: 3px solid var(--line-700);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--ct-surface);
}

.page-contact .hero-map img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-contact .hero-map__glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 31, .06) 0%, rgba(7, 11, 31, .7) 68%, rgba(7, 11, 31, .94) 100%);
  pointer-events: none;
}

.page-contact .hero-map__tag {
  position: absolute;
  right: 20px;
  bottom: 16px;
  left: 20px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

/* ---------- 咨询类型 ---------- */
.page-contact .contact-routes {
  position: relative;
}

.page-contact .contact-routes__list {
  display: grid;
  margin-top: 34px;
  border: 3px solid var(--line-700);
  background: var(--ct-surface);
}

.page-contact .contact-routes__list .accordion__item {
  border-bottom: 3px solid var(--line-700);
}

.page-contact .contact-routes__list .accordion__item:last-child {
  border-bottom: 0;
}

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

.page-contact .contact-route__trigger {
  display: grid;
  grid-template-columns: 52px 1fr 34px;
  grid-template-areas:
    "num title icon"
    "num desc icon";
  align-items: center;
  gap: 4px 18px;
  width: 100%;
  padding: 22px;
  text-align: left;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  transition: background 220ms var(--ease);
}

.page-contact .contact-route__trigger:hover,
.page-contact .contact-route__trigger[aria-expanded="true"] {
  background: var(--ct-hover);
}

.page-contact .contact-route__num {
  grid-area: num;
  align-self: start;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
  color: var(--cyan);
}

.page-contact .contact-route__title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.4vw, 1.22rem);
  font-weight: 800;
  color: var(--paper);
}

.page-contact .contact-route__desc {
  grid-area: desc;
  font-size: .88rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .contact-route__trigger .accordion__icon {
  grid-area: icon;
  justify-self: end;
}

.page-contact .contact-routes__list .accordion__content {
  display: grid;
  gap: 12px;
  padding: 4px 22px 26px 92px;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-routes__list .accordion__content p {
  margin: 0;
}

.page-contact .contact-routes__list .accordion__content a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-routes__collapse {
  margin-top: 20px;
}

/* ---------- 合作 ---------- */
.page-contact .partners-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 34px;
}

.page-contact .partner-card {
  position: relative;
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 30px 24px 26px;
  background: var(--ink-900);
  border: 3px solid var(--line-700);
  box-shadow: var(--shadow-hard);
  transition: transform 260ms var(--ease), border-color 260ms var(--ease);
}

.page-contact .partner-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: var(--cyan);
}

.page-contact .partner-card:nth-child(2)::before {
  background: var(--violet);
}

.page-contact .partner-card:nth-child(3)::before {
  background: var(--orange);
}

.page-contact .partner-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
}

.page-contact .partner-card__badge {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-contact .partner-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .partner-card__text {
  margin: 0;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .partner-card__list {
  margin: 4px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 7px;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .partner-card__list li::marker {
  color: var(--cyan);
}

/* ---------- 回复时段 ---------- */
.page-contact .contact-hours {
  position: relative;
}

.page-contact .contact-hours::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 48%, var(--orange));
}

.page-contact .contact-hours__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 38px;
  align-items: center;
}

.page-contact .contact-hours__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .contact-hours__text {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-hours__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .hours-bar {
  margin-top: 26px;
  padding: 22px 24px;
  border: 3px solid var(--line-700);
  background: var(--ct-surface);
  box-shadow: var(--shadow-hard);
}

.page-contact .hours-bar__track {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-contact .hours-bar__edge {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .84rem;
  color: var(--paper);
}

.page-contact .hours-bar__fill {
  flex: 1 1 auto;
  min-width: 60px;
  height: 14px;
  border: 2px solid var(--line-700);
  background: repeating-linear-gradient(115deg, rgba(34, 230, 210, .42) 0 8px, rgba(61, 123, 255, .3) 8px 16px);
}

.page-contact .hours-bar__note {
  margin: 16px 0 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-hours__media {
  margin: 0;
  border: 3px solid var(--line-700);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--ct-surface);
}

.page-contact .contact-hours__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 帮助中心引导 ---------- */
.page-contact .help-callout {
  display: grid;
  gap: 26px;
  padding: 34px 26px;
  border: 3px solid var(--line-700);
  background:
    linear-gradient(135deg, rgba(123, 92, 255, .22) 0%, rgba(7, 11, 31, 0) 58%),
    var(--ct-surface);
  box-shadow: var(--shadow-hard);
}

.page-contact .help-callout__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  font-weight: 800;
  line-height: 1.22;
  color: var(--paper);
}

.page-contact .help-callout__lede {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .help-callout__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .page-contact .contact-hero {
    padding-top: calc(var(--header-h) + 26px);
    padding-bottom: 54px;
  }

  .page-contact .contact-route__trigger {
    grid-template-columns: 38px 1fr 26px;
    gap: 4px 12px;
    padding: 18px 16px;
  }

  .page-contact .contact-routes__list .accordion__content {
    padding: 4px 16px 22px 16px;
  }

  .page-contact .channel {
    padding: 17px 18px;
  }

  .page-contact .channel--addr::after {
    right: 16px;
  }

  .page-contact .partner-card {
    padding: 26px 18px 22px;
  }

  .page-contact .hours-bar {
    padding: 18px 16px;
  }

  .page-contact .help-callout {
    padding: 26px 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .partners-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    gap: 58px;
  }

  .page-contact .contact-hours__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .84fr);
    gap: 56px;
  }

  .page-contact .help-callout {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 42px;
    padding: 44px 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .partner-card,
  .page-contact .contact-route__trigger,
  .page-contact .contact-visit__trigger {
    transition: none;
  }

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