.page-contact {
  --pc-space: clamp(44px, 7vw, 78px);
  --pc-gap: clamp(20px, 3vw, 34px);
  padding-block-end: clamp(48px, 7vw, 92px);
}

.page-contact .breadcrumb {
  padding-block: 18px 4px;
}

/* ---------- 首屏非对称分栏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: var(--pc-gap);
  margin-block: 16px 0;
}

.page-contact .contact-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 26px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(160deg, var(--ink-800) 0%, var(--ink-900) 64%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 36px), calc(100% - 36px) 100%, 0 100%);
  color: var(--paper);
}

.page-contact .contact-card__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: saturate(0.65);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(150deg, rgba(6, 23, 34, 0.5), rgba(6, 23, 34, 0.95) 72%);
}

.page-contact .contact-card__body {
  position: relative;
  z-index: 2;
}

.page-contact .contact-card__title {
  margin: 8px 0 18px;
  font-family: var(--font-cond);
  font-size: clamp(22px, 5vw, 28px);
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .contact-card__item {
  padding-block: 14px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-card__key {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-card__val {
  display: block;
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.4;
}

.page-contact .contact-card__val--mail {
  font-size: clamp(16px, 4.2vw, 21px);
  color: var(--aqua);
}

.page-contact .contact-card__val--tel {
  font-size: clamp(23px, 6.6vw, 32px);
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-contact .contact-card__val--addr {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .contact-card__foot {
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .contact-intro .display-title {
  margin: 10px 0 0;
  font-family: var(--font-cond);
  font-size: clamp(29px, 6.4vw, 52px);
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .contact-intro__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-contact .contact-intro__note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--aqua);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 问题分流清单 ---------- */
.page-contact .contact-routes,
.page-contact .contact-hours,
.page-contact .contact-attach {
  margin-top: var(--pc-space);
}

.page-contact .contact-routes__title,
.page-contact .contact-attach__title {
  margin: 8px 0 0;
  font-family: var(--font-cond);
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .contact-routes__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-contact .contact-route {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  padding: 18px 14px 18px 18px;
  border-top: 1px solid var(--line);
  transition: background-color 220ms var(--ease);
}

.page-contact .contact-route::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  border-radius: 3px;
  background: var(--lime);
  transform: translateY(-50%);
  transition: height 220ms var(--ease);
}

.page-contact .contact-route:hover,
.page-contact .contact-route:focus-within {
  background-color: rgba(18, 48, 57, 0.55);
}

.page-contact .contact-route:hover::before,
.page-contact .contact-route:focus-within::before {
  height: 62%;
}

.page-contact .contact-route__idx {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .contact-route__title {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .contact-route__text {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-route__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 11px 0 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .contact-route__dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
}

.page-contact .contact-route__dot--amber {
  background: var(--amber);
}

/* ---------- 回复时段 ---------- */
.page-contact .contact-hours {
  display: grid;
  gap: 14px;
}

.page-contact .contact-hours__card {
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(155deg, var(--ink-800), var(--ink-700));
}

.page-contact .contact-hours__title {
  margin: 8px 0 0;
  font-family: var(--font-cond);
  font-size: clamp(20px, 4.4vw, 26px);
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .contact-hours__num {
  margin: 14px 0 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 7.4vw, 46px);
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-contact .contact-hours__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-hours__col {
  display: grid;
  gap: 14px;
}

.page-contact .contact-hours__mini {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background-color: rgba(18, 48, 57, 0.6);
}

.page-contact .contact-hours__mini-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--paper);
}

.page-contact .contact-hours__mini p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 来信清单 ---------- */
.page-contact .contact-attach__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-contact .contact-attach__item {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-attach__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  line-height: 1.9;
  color: var(--lime);
}

.page-contact .contact-attach__val {
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

/* ---------- 相关入口 ---------- */
.page-contact .contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: var(--pc-space);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-links__item {
  font-size: 15px;
  color: var(--aqua);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 220ms var(--ease);
}

.page-contact .contact-links__item:hover,
.page-contact .contact-links__item:focus-visible {
  color: var(--lime);
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}

/* ---------- 底部横幅 ---------- */
.page-contact .contact-band {
  position: relative;
  overflow: hidden;
  margin: clamp(38px, 6vw, 68px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
}

.page-contact .contact-band__img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  filter: saturate(0.75);
}

.page-contact .contact-band__cap {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  padding: 9px 12px;
  border-left: 2px solid var(--lime);
  border-radius: 6px;
  background: rgba(6, 23, 34, 0.78);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-hours {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 18px;
  }

  .page-contact .contact-attach__item {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 18px;
  }

  .page-contact .contact-band__cap {
    left: 24px;
    right: auto;
    bottom: 20px;
    max-width: 46ch;
    padding: 10px 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(300px, 0.86fr) minmax(0, 1.14fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
    margin-block: 26px 0;
  }

  .page-contact .contact-card {
    padding: 32px 28px 26px;
  }

  .page-contact .contact-route {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 14px;
    padding: 20px 20px 20px 24px;
  }

  .page-contact .contact-hours__card {
    padding: 32px 28px;
  }

  .page-contact .contact-hours__mini {
    padding: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-route::before,
  .page-contact .contact-route,
  .page-contact .contact-links__item {
    transition: none;
  }

  .page-contact .contact-route:hover::before,
  .page-contact .contact-route:focus-within::before {
    height: 62%;
  }
}