.page-contact {
  position: relative;
  padding-bottom: 48px;
  background-color: var(--color-bg);
  background-image:
    repeating-linear-gradient(148deg, transparent 0, transparent 22px, rgba(57, 255, 20, 0.03) 22px, rgba(57, 255, 20, 0.03) 23px),
    radial-gradient(ellipse at 88% 6%, rgba(255, 77, 0, 0.1), transparent 44%);
}

.page-contact::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: 24px;
  width: 130px;
  height: 90px;
  background: var(--color-accent-fire);
  opacity: 0.1;
  transform: skewY(-24deg) rotate(-8deg);
  pointer-events: none;
}

/* 面包屑 */
.page-contact .breadcrumb {
  margin-bottom: 8px;
}

/* ===== 首屏 ===== */
.page-contact .contact-hero {
  padding: 24px 0 40px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent-fire) 20%, var(--color-accent) 80%, transparent);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: 26px;
}

.page-contact .contact-hero__eyebrow {
  margin-bottom: 10px;
}

.page-contact .contact-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: 0.6px;
  margin: 0 0 14px;
  color: var(--color-text);
}

.page-contact .contact-hero__lead {
  color: var(--color-text-dim);
  line-height: 1.75;
  font-size: 0.95rem;
  max-width: 36em;
  margin: 0 0 18px;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.page-contact .contact-hero__quick {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.page-contact .contact-hero__quick > div:last-child {
  grid-column: 1 / -1;
}

.page-contact .contact-hero__quick dt {
  font-size: 0.72rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 4px;
}

.page-contact .contact-hero__quick dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 1.05rem;
  color: var(--color-text);
  white-space: nowrap;
}

/* ===== 媒体容器 ===== */
.page-contact .contact-media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
}

.page-contact .contact-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-contact .contact-media figcaption {
  padding: 10px 14px;
  font-size: 0.8rem;
  color: var(--color-text-dim);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-card);
}

.page-contact .contact-hero__media img {
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

/* ===== 联系渠道 ===== */
.page-contact .contact-channels {
  padding: 44px 0 28px;
  position: relative;
}

.page-contact .contact-channels .section-heading {
  margin-bottom: 22px;
}

.page-contact .contact-channels__slant {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 6px 0 10px;
}

.page-contact .contact-card {
  padding: 26px 22px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  position: relative;
  transition:
    transform var(--fast) var(--ease),
    border-color var(--fast) var(--ease),
    box-shadow var(--fast) var(--ease);
}

.page-contact .contact-card--phone {
  background-image: linear-gradient(128deg, rgba(255, 77, 0, 0.08), transparent 38%);
}

.page-contact .contact-card--mail {
  background-image: linear-gradient(128deg, rgba(57, 255, 20, 0.07), transparent 38%);
}

.page-contact .contact-card--address {
  background-image: linear-gradient(128deg, rgba(255, 215, 0, 0.06), transparent 38%);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 18px;
  width: 40px;
  height: 3px;
  transform: skewX(-32deg);
  background: var(--color-accent);
}

.page-contact .contact-card--phone::before {
  background: var(--color-accent-fire);
}

.page-contact .contact-card--mail::before {
  background: var(--color-accent);
}

.page-contact .contact-card--address::before {
  background: var(--color-gold);
}

.page-contact .contact-card__number {
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-data);
  font-size: 0.95rem;
  color: var(--color-text-dim);
  opacity: 0.55;
  letter-spacing: 1px;
}

.page-contact .contact-card__icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: rgba(255, 77, 0, 0.1);
  color: var(--color-accent-fire);
  margin-bottom: 14px;
}

.page-contact .contact-card--mail .contact-card__icon {
  background: rgba(57, 255, 20, 0.1);
  color: var(--color-accent);
}

.page-contact .contact-card--address .contact-card__icon {
  background: rgba(255, 215, 0, 0.1);
  color: var(--color-gold);
}

.page-contact .contact-card__title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 8px;
  color: var(--color-text);
}

.page-contact .contact-card__value {
  font-family: var(--font-data);
  font-size: 1.1rem;
  line-height: 1.6;
  margin: 0 0 12px;
  color: var(--color-accent);
}

.page-contact .contact-card__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition:
    border-color var(--fast) var(--ease),
    color var(--fast) var(--ease);
}

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

.page-contact .contact-card--mail .contact-card__value {
  word-break: break-all;
}

.page-contact .contact-card--address .contact-card__value {
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.6;
}

.page-contact .contact-card__note {
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--color-text-dim);
  margin: 0 0 12px;
}

.page-contact .contact-card__flag {
  display: inline-block;
  font-size: 0.7rem;
  font-family: var(--font-data);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-accent-fire);
  border: 1px solid currentColor;
  padding: 4px 10px;
  border-radius: 999px;
}

.page-contact .contact-card--mail .contact-card__flag {
  color: var(--color-accent);
}

.page-contact .contact-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.page-contact .contact-card--phone:hover {
  border-color: var(--color-accent-fire);
  box-shadow: 0 10px 30px rgba(255, 77, 0, 0.15);
}

.page-contact .contact-card--mail:hover {
  border-color: var(--color-accent);
  box-shadow: 0 10px 30px rgba(57, 255, 20, 0.15);
}

.page-contact .contact-card--address:hover {
  border-color: var(--color-gold);
  box-shadow: 0 10px 30px rgba(255, 215, 0, 0.12);
}

.page-contact .contact-channels__notice {
  margin-top: 26px;
  padding: 12px 16px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--color-text-dim);
  border-left: 3px solid var(--color-accent-fire);
  background: rgba(255, 77, 0, 0.05);
}

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

/* ===== 帮助中心优先 ===== */
.page-contact .contact-help {
  position: relative;
  padding: 44px 0;
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.page-contact .contact-help::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-fire), var(--color-accent) 55%, transparent);
}

.page-contact .contact-help__grid {
  gap: 26px;
}

.page-contact .contact-help__lead {
  color: var(--color-text-dim);
  line-height: 1.75;
  font-size: 0.95rem;
  margin: 0 0 14px;
}

.page-contact .contact-help__faq {
  margin: 18px 0 22px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .contact-help__faq details {
  border-bottom: 1px solid var(--color-border);
  padding: 0 16px;
}

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

.page-contact .contact-help__faq summary {
  cursor: pointer;
  padding: 14px 0;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
  list-style: none;
  position: relative;
  padding-right: 26px;
  transition: color var(--fast) var(--ease);
}

.page-contact .contact-help__faq summary::-webkit-details-marker {
  display: none;
}

.page-contact .contact-help__faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-data);
  color: var(--color-accent);
  font-size: 1.2rem;
}

.page-contact .contact-help__faq details[open] summary::after {
  content: "–";
  color: var(--color-accent-fire);
}

.page-contact .contact-help__faq details p {
  margin: 0;
  padding: 0 0 14px;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--color-text-dim);
}

.page-contact .contact-help__media img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ===== 响应承诺 ===== */
.page-contact .contact-promise {
  padding: 48px 0 20px;
  position: relative;
}

.page-contact .contact-promise__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0 22px;
}

.page-contact .contact-promise__stat {
  text-align: center;
  border: 1px solid var(--color-border);
  padding: 18px 8px 14px;
  background: var(--color-bg-card);
  border-radius: var(--radius);
}

.page-contact .contact-promise__stat .data-stat {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  line-height: 1;
  color: var(--color-accent);
}

.page-contact .contact-promise__unit {
  font-size: 0.9rem;
  color: var(--color-text-dim);
  margin-left: 2px;
}

.page-contact .contact-promise__stat p {
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--color-text-dim);
  margin: 8px 0 0;
}

.page-contact .contact-promise__flow {
  color: var(--color-text-dim);
  font-size: 0.9rem;
  line-height: 1.75;
  padding: 12px 16px;
  border-left: 3px solid var(--color-accent-fire);
  background: rgba(255, 77, 0, 0.05);
  margin: 0;
}

/* ===== 断点 ===== */
@media (min-width: 560px) {
  .page-contact .contact-hero__quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-hero__quick > div:last-child {
    grid-column: auto;
  }
}

@media (min-width: 720px) {
  .page-contact .contact-channels__slant {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding-bottom: 28px;
  }

  .page-contact .contact-card {
    flex: 1 1 0;
  }

  .page-contact .contact-card--phone {
    transform: rotate(0.6deg);
  }

  .page-contact .contact-card--mail {
    transform: translateY(24px) rotate(-0.5deg);
  }

  .page-contact .contact-card--address {
    transform: translateY(8px) rotate(0.3deg);
  }

  .page-contact .contact-card--phone:hover {
    transform: rotate(0.6deg) translateY(-4px);
  }

  .page-contact .contact-card--mail:hover {
    transform: translateY(20px) rotate(-0.5deg);
  }

  .page-contact .contact-card--address:hover {
    transform: translateY(4px) rotate(0.3deg);
  }

  .page-contact .contact-promise__stats {
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 44px;
  }

  .page-contact .contact-channels {
    padding-top: 52px;
  }

  .page-contact .contact-help {
    padding: 52px 0;
  }

  .page-contact .contact-help__grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 40px;
  }

  .page-contact .contact-help__copy {
    padding-right: 12px;
  }

  .page-contact .contact-promise {
    padding-top: 56px;
  }

  .page-contact .contact-promise__inner {
    max-width: 900px;
  }
}