.page-contact {
  overflow-x: hidden;
  background-color: var(--night);
}

/* Hero —— 背景夜景 + 非对称左右分栏 */
.page-contact__hero {
  position: relative;
  overflow: hidden;
}

.page-contact__hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact__hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.5;
  filter: saturate(0.78) contrast(1.08) brightness(0.72);
}

.page-contact__hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    100deg,
    rgba(11, 15, 25, 0.96) 2%,
    rgba(11, 15, 25, 0.82) 40%,
    rgba(19, 26, 42, 0.48) 78%,
    rgba(11, 15, 25, 0.72) 100%
  );
  pointer-events: none;
}

.page-contact__hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 2rem;
  padding: 2rem 0 3.75rem;
}

.page-contact__split {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

.page-contact__left {
  align-self: center;
}

.page-contact__left .exhibit-label {
  margin-bottom: 1rem;
}

.page-contact__left .page-title {
  margin-bottom: 1.25rem;
}

.page-contact__left .lead {
  max-width: 52ch;
  margin-bottom: 1.75rem;
}

.page-contact__hint-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-contact__hint-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--gray);
  font-size: 1rem;
  line-height: 1.6;
}

.page-contact__hint-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.55rem;
  height: 0.55rem;
  transform: rotate(45deg);
  border: 2px solid var(--green);
}

.page-contact__ghost-btn {
  margin-bottom: 0.5rem;
}

/* 联系方式卡片 */
.page-contact__right {
  max-width: 100%;
}

.page-contact__card {
  position: relative;
  background: linear-gradient(
    150deg,
    rgba(0, 200, 255, 0.1) 0%,
    rgba(19, 26, 42, 0.94) 38%,
    rgba(19, 26, 42, 0.98) 100%
  );
  border: 1px solid rgba(0, 200, 255, 0.26);
  border-top: 4px solid var(--blue);
  padding: 1.5rem 1.35rem 1.35rem;
  box-shadow: 0.75rem 0.875rem 0 rgba(0, 200, 255, 0.08);
}

.page-contact__card::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  border-left: 28px solid transparent;
  border-top: 28px solid var(--green);
}

.page-contact__card-visual {
  margin-bottom: 1.2rem;
  height: 138px;
  overflow: hidden;
  border: 1px solid rgba(0, 200, 255, 0.2);
}

.page-contact__card-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact__card-title {
  margin: 0 0 1rem;
  font-family: var(--font-headline);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--white);
}

.page-contact__contacts {
  margin: 0;
}

.page-contact__contact-item {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.4rem 1rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(138, 151, 168, 0.18);
}

.page-contact__contact-item:first-child {
  border-top: 0;
}

.page-contact__contact-item dt {
  margin: 0;
  color: var(--gray);
  font-family: var(--font-data);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-top: 0.6rem;
}

.page-contact__contact-item dd {
  margin: 0;
  min-width: 0;
}

.page-contact__tel {
  display: inline-flex;
  align-items: baseline;
  gap: 0.2em;
  color: var(--white);
  font-family: var(--font-data);
  font-size: clamp(2rem, 7vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.page-contact__tel:hover,
.page-contact__tel:focus-visible {
  border-color: var(--green);
}

.page-contact__tel em {
  font-style: normal;
  color: var(--blue);
}

.page-contact__email {
  position: relative;
  color: var(--white);
  font-family: var(--font-data);
  font-size: 0.95rem;
  text-decoration: none;
  text-decoration: underline wavy var(--blue);
  text-underline-offset: 0.22em;
  text-decoration-thickness: 2px;
  word-break: break-all;
  transition: color 0.2s ease;
}

.page-contact__email:hover,
.page-contact__email:focus-visible {
  color: var(--blue);
}

.page-contact__contact-note {
  margin: 0.45rem 0 0;
  color: var(--gray);
  font-size: 0.85rem;
  line-height: 1.5;
}

.page-contact__contact-item--address dd {
  position: relative;
  padding-left: 1rem;
  color: var(--white);
  line-height: 1.7;
  font-size: 0.975rem;
}

.page-contact__contact-item--address dd::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2rem;
  bottom: 0.2rem;
  width: 3px;
  transform: skewX(-24deg);
  background: linear-gradient(180deg, var(--green) 0%, var(--blue) 100%);
}

/* 支持说明 */
.page-contact__support {
  position: relative;
  background-color: var(--night);
  padding: 3.5rem 0;
}

.page-contact__support::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--blue) 0%, transparent 60%);
}

.page-contact__block-header {
  margin-bottom: 2.25rem;
}

.page-contact__support-grid {
  gap: 1.25rem;
}

.page-contact__support-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 1.8rem 1.5rem 1.5rem;
  background-color: var(--deep);
  border: 1px solid rgba(138, 151, 168, 0.16);
  border-top: 3px solid var(--blue);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-contact__support-card:hover,
.page-contact__support-card:focus-within {
  transform: translateY(-2px);
  border-color: rgba(0, 200, 255, 0.5);
}

.page-contact__support-card:nth-child(2) {
  border-top-color: var(--green);
}

.page-contact__support-card:nth-child(3) {
  border-top-color: var(--gold);
}

.page-contact__support-tag {
  margin: 0 0 0.4rem;
  color: var(--blue);
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-contact__support-card:nth-child(2) .page-contact__support-tag {
  color: var(--green);
}

.page-contact__support-card:nth-child(3) .page-contact__support-tag {
  color: var(--gold);
}

.page-contact__support-title {
  margin: 0 0 0.4rem;
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
}

.page-contact__support-time {
  margin: 0 0 0.8rem;
  color: var(--blue);
  font-family: var(--font-data);
  font-size: 0.85rem;
}

.page-contact__support-card:nth-child(2) .page-contact__support-time {
  color: var(--green);
}

.page-contact__support-card:nth-child(3) .page-contact__support-time {
  color: var(--gold);
}

.page-contact__support-desc {
  margin: 0;
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* 常见渠道 */
.page-contact__channels {
  padding: 4rem 0 5rem;
  background: linear-gradient(180deg, var(--night) 0%, var(--deep) 100%);
}

.page-contact__channels-inner {
  display: grid;
  gap: 2rem;
}

.page-contact__channels-copy .section__meta {
  margin-bottom: 1rem;
}

.page-contact__channels-links {
  display: grid;
  gap: 0;
}

.page-contact__channel-link {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.6rem 1rem;
  align-items: baseline;
  padding: 1.15rem 0.4rem;
  border-top: 1px solid rgba(138, 151, 168, 0.22);
  text-decoration: none;
  transition: background 0.2s ease, padding-left 0.2s ease;
}

.page-contact__channel-link:last-child {
  border-bottom: 1px solid rgba(138, 151, 168, 0.22);
}

.page-contact__channel-link:hover,
.page-contact__channel-link:focus-visible {
  padding-left: 0.9rem;
  background: linear-gradient(90deg, rgba(0, 200, 255, 0.12), transparent);
}

.page-contact__channel-num {
  font-family: var(--font-data);
  font-size: 0.875rem;
  color: var(--blue);
}

.page-contact__channel-body {
  display: grid;
  gap: 0.25rem;
}

.page-contact__channel-body strong {
  font-family: var(--font-headline);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--white);
}

.page-contact__channel-body small {
  color: var(--gray);
  font-size: 0.88rem;
}

.page-contact__channel-link:hover .page-contact__channel-num,
.page-contact__channel-link:focus-visible .page-contact__channel-num {
  color: var(--green);
}

.page-contact__tel:focus-visible,
.page-contact__email:focus-visible,
.page-contact__channel-link:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* 平板与桌面布局 */
@media (min-width: 768px) {
  .page-contact__hero-inner {
    padding-top: 2.5rem;
    padding-bottom: 5rem;
  }

  .page-contact__split {
    grid-template-columns: minmax(0, 5.5fr) minmax(0, 6.5fr);
    gap: 3rem;
  }

  .page-contact__right {
    padding-top: 1rem;
  }

  .page-contact__card {
    margin-left: auto;
    max-width: 560px;
    padding: 1.6rem 1.7rem 1.6rem;
  }

  .page-contact__card-visual {
    height: 152px;
  }

  .page-contact__support {
    padding: 5rem 0;
  }

  .page-contact__support-grid {
    gap: 1.5rem;
  }
}

@media (min-width: 1080px) {
  .page-contact__channels-inner {
    grid-template-columns: 1fr 1.15fr;
    gap: 4rem;
    padding-top: 1rem;
  }
}