.page-contact {
  --contact-warm-glow: rgba(232, 185, 106, 0.08);
  --contact-cool-glow: rgba(123, 108, 246, 0.1);
  --contact-gold-soft: rgba(232, 185, 106, 0.45);

  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 5rem;
  color: var(--color-text-primary);
  font-family: var(--font-body);
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-number);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  margin-bottom: 4rem;
}
.page-contact .breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.25s ease;
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--color-gold);
}
.page-contact .breadcrumb [aria-current="page"] {
  color: var(--color-gold);
}

/* 首屏 */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 6rem;
}
.page-contact .contact-hero__index {
  position: relative;
  padding-left: 1.25rem;
  margin: 0 0 1.25rem;
  font-family: var(--font-number);
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-purple);
}
.page-contact .contact-hero__index::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 10px rgba(232, 185, 106, 0.6);
  transform: translateY(-50%);
}
.page-contact .contact-hero h1 {
  font-family: var(--font-heading);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.2;
  letter-spacing: 0.06em;
  margin: 0 0 1.5rem;
}
.page-contact .contact-hero__desc {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  max-width: 38em;
  margin: 0;
}
.page-contact .contact-hero__visual {
  position: relative;
  padding: 10px;
}
.page-contact .contact-hero__visual::before,
.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  width: 42px;
  height: 42px;
  opacity: 0.55;
  pointer-events: none;
}
.page-contact .contact-hero__visual::before {
  top: 0;
  left: 0;
  border-top: 1px solid var(--color-gold);
  border-left: 1px solid var(--color-gold);
}
.page-contact .contact-hero__visual::after {
  bottom: 0;
  right: 0;
  border-bottom: 1px solid var(--color-gold);
  border-right: 1px solid var(--color-gold);
}
.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-grid);
  border-radius: var(--radius-md);
  position: relative;
  z-index: 0;
}

/* 区块标题 */
.page-contact .section-heading {
  display: flex;
  align-items: baseline;
  gap: 0.875rem;
  margin: 0 0 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-grid);
}
.page-contact .section-heading__index {
  font-family: var(--font-number);
  font-size: 0.875rem;
  color: var(--color-gold);
}
.page-contact .section-heading__title {
  font-family: var(--font-heading);
  font-weight: 300;
  font-size: clamp(1.4rem, 2.4vw, 2.2rem);
  letter-spacing: 0.06em;
  margin: 0;
}

/* 联系渠道 */
.page-contact .contact-channels {
  margin-bottom: 6rem;
}
.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
}
.page-contact .contact-channel {
  position: relative;
  padding: 2rem 0 2.25rem;
}
.page-contact .contact-channel + .contact-channel {
  border-top: 1px solid var(--color-grid);
}
.page-contact .contact-channel__no {
  display: inline-block;
  margin-bottom: 1.25rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--color-grid);
  border-radius: var(--radius-sm);
  font-family: var(--font-number);
  font-size: 0.75rem;
  color: var(--color-gold);
  letter-spacing: 0.04em;
}
.page-contact .contact-channel h3 {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  margin: 0 0 0.5rem;
}
.page-contact .contact-channel__label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0 0 1rem;
}
.page-contact .contact-channel__value {
  display: inline-block;
  font-family: var(--font-number);
  font-size: 1.0625rem;
  color: var(--color-text-primary);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--contact-gold-soft);
  transition: color 0.25s ease, border-color 0.25s ease;
}
.page-contact .contact-channel__value:hover,
.page-contact .contact-channel__value:focus-visible {
  color: var(--color-gold);
  border-color: var(--color-gold);
}
.page-contact .contact-channel__value--text {
  display: block;
  padding-left: 0.875rem;
  border-left: 2px solid var(--color-gold);
  border-bottom: none;
  font-family: var(--font-number);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  word-break: normal;
}

/* 回复时效 */
.page-contact .contact-response {
  margin-bottom: 6rem;
}
.page-contact .contact-response__inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: 2.75rem 1.5rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 12%, rgba(123, 108, 246, 0.14) 0%, transparent 42%),
    linear-gradient(135deg, var(--color-bg-secondary), rgba(10, 30, 60, 0.55));
  border-left: 2px solid var(--color-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.page-contact .contact-response__inner::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 38%;
  background-image: radial-gradient(circle, rgba(232, 185, 106, 0.16) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.5;
  pointer-events: none;
}
.page-contact .contact-response__index {
  position: absolute;
  top: 0.5rem;
  right: 1.25rem;
  font-family: var(--font-number);
  font-size: 4rem;
  font-weight: 300;
  line-height: 1;
  color: rgba(232, 185, 106, 0.12);
  pointer-events: none;
}
.page-contact .contact-response__eyebrow {
  margin: 0 0 0.875rem;
  font-family: var(--font-number);
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
}
.page-contact .contact-response__inner h2 {
  font-family: var(--font-heading);
  font-weight: 300;
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  letter-spacing: 0.06em;
  margin: 0 0 1rem;
}
.page-contact .contact-response__body {
  position: relative;
  z-index: 1;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin: 0 0 1.25rem;
  max-width: 34em;
}
.page-contact .contact-response__mail {
  position: relative;
  z-index: 1;
  display: inline-block;
  font-family: var(--font-number);
  font-size: 1.125rem;
  color: var(--color-text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--contact-gold-soft);
  padding-bottom: 0.2rem;
  transition: color 0.25s ease, border-color 0.25s ease;
}
.page-contact .contact-response__mail:hover,
.page-contact .contact-response__mail:focus-visible {
  color: var(--color-gold);
  border-color: var(--color-gold);
}

/* 地址说明 */
.page-contact .contact-address {
  margin-bottom: 6rem;
}
.page-contact .contact-address__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
.page-contact .contact-address__note p {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
}
.page-contact .contact-address__block {
  margin: 1.75rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 2px solid var(--color-gold);
  background: var(--color-glass);
}
.page-contact .contact-address__block-label {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-number);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--color-gold);
}
.page-contact .contact-address__block-value {
  margin: 0;
  font-family: var(--font-number);
  font-size: 1.0625rem;
  color: var(--color-text-primary);
  line-height: 1.6;
}
.page-contact .contact-address__fig {
  margin: 0;
}
.page-contact .contact-address__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-grid);
  border-radius: var(--radius-sm);
}
.page-contact .contact-address__fig figcaption {
  margin-top: 0.75rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--color-gold);
  font-family: var(--font-number);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.06em;
}

/* 帮助入口 */
.page-contact .contact-help {
  margin-bottom: 2rem;
}
.page-contact .contact-help__inner {
  position: relative;
  padding: 2.75rem 1.5rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 0%, var(--contact-warm-glow) 0%, transparent 34%),
    var(--color-bg-secondary);
  border-radius: var(--radius-md);
}
.page-contact .contact-help__inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), rgba(123, 108, 246, 0.6) 60%, transparent);
}
.page-contact .contact-help__index {
  position: absolute;
  right: 1rem;
  bottom: 0;
  font-family: var(--font-number);
  font-size: 6rem;
  line-height: 0.8;
  color: rgba(255, 255, 255, 0.04);
  pointer-events: none;
}
.page-contact .contact-help__text {
  position: relative;
  z-index: 1;
}
.page-contact .contact-help__eyebrow {
  margin: 0 0 0.75rem;
  font-family: var(--font-number);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-purple);
}
.page-contact .contact-help h2 {
  font-family: var(--font-heading);
  font-weight: 300;
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  letter-spacing: 0.06em;
  margin: 0 0 1rem;
}
.page-contact .contact-help__text p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin: 0;
  max-width: 46em;
}
.page-contact .contact-help__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.5rem;
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-contact {
    padding: 3rem 2rem 6rem;
  }

  .page-contact .contact-hero {
    grid-template-columns: 7fr 5fr;
    gap: 3.5rem;
    align-items: center;
  }
  .page-contact .contact-hero__text {
    grid-column: 1 / 2;
  }
  .page-contact .contact-hero__visual {
    grid-column: 2 / 3;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
    border-top: 1px solid var(--color-grid);
  }
  .page-contact .contact-channel {
    padding: 2.25rem 2rem 2.25rem 0;
  }
  .page-contact .contact-channel + .contact-channel {
    border-top: none;
    border-left: 1px solid var(--color-grid);
    padding: 2.25rem 2rem 2.25rem 2rem;
  }

  .page-contact .contact-response__inner {
    padding: 3.5rem 3rem;
  }

  .page-contact .contact-address__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
    align-items: center;
  }

  .page-contact .contact-help__inner {
    padding: 3.5rem 3rem;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
  }
  .page-contact .contact-help__text {
    flex: 1 1 auto;
  }
  .page-contact .contact-help__actions {
    flex-shrink: 0;
    margin-top: 0;
    justify-content: flex-end;
  }
}