.page-contact {
  background: var(--color-bg-dark);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  position: relative;
  overflow: hidden;
}

.page-contact::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background: radial-gradient(ellipse at 80% 30%, rgba(139, 92, 246, 0.06) 0%, transparent 70%),
              radial-gradient(ellipse at 20% 80%, rgba(255, 102, 0, 0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.page-contact__container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--gap-lg) var(--gap-md) var(--gap-xl);
  position: relative;
  z-index: 1;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-lg);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.page-contact .breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  border-bottom: 1px solid transparent;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.page-contact .breadcrumb__sep {
  color: var(--color-text-muted);
  user-select: none;
}

/* ---------- 标题区 ---------- */
.page-contact__hero {
  margin-bottom: var(--gap-xl);
  padding-left: var(--gap-sm);
  border-left: 4px solid var(--color-primary);
}

.page-contact__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 1.1;
  margin: 0 0 var(--gap-md);
  letter-spacing: -0.02em;
}

.page-contact .text-gradient {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-contact__desc {
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0;
  line-height: 1.7;
}

.page-contact__highlight {
  color: var(--color-primary);
  font-weight: 600;
}

/* ---------- 客服支持区 ---------- */
.page-contact__support {
  margin-bottom: var(--gap-xl);
}

.page-contact .section-title {
  display: flex;
  align-items: center;
  gap: var(--gap-md);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  margin: 0 0 var(--gap-lg);
  color: var(--color-white);
  position: relative;
}

.page-contact .section-title::after {
  content: '';
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  opacity: 0.4;
}

.page-contact .section-title__text {
  flex-shrink: 0;
}

.page-contact__support-grid {
  display: flex;
  flex-direction: column;
  gap: var(--gap-lg);
}

/* ---------- 卡片通用 ---------- */
.page-contact__card {
  background: var(--color-bg-medium);
  border: 1px solid rgba(255, 102, 0, 0.15);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-med), border-color var(--transition-med), transform var(--transition-fast);
  position: relative;
}

.page-contact__card:focus-within,
.page-contact__card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 24px rgba(255, 102, 0, 0.12), 0 4px 32px rgba(0, 0, 0, 0.4);
  transform: translateY(-2px);
}

.page-contact__card--email {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-contact__card--alt {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-contact__card-body {
  padding: var(--gap-md) var(--gap-lg) var(--gap-lg);
}

.page-contact__card-bg {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 50%;
  overflow: hidden;
  background: var(--color-bg-light);
}

.page-contact__card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform var(--transition-med);
}

.page-contact__card:hover .page-contact__card-img {
  transform: scale(1.03);
}

.page-contact__card-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0 0 var(--gap-sm);
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
}

.page-contact__card-label::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  transform: rotate(45deg);
}

/* ---------- 邮箱行 ---------- */
.page-contact__email {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--gap-sm);
  margin: 0 0 var(--gap-md);
  font-size: 1.05rem;
}

.page-contact__email-text {
  font-weight: 600;
  color: var(--color-white);
  word-break: break-all;
}

.page-contact__copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-primary);
  background: rgba(255, 102, 0, 0.1);
  border: 1px solid rgba(255, 102, 0, 0.25);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  font-family: var(--font-body);
  line-height: 1.4;
}

.page-contact__copy-btn:hover,
.page-contact__copy-btn:focus-visible {
  background: rgba(255, 102, 0, 0.18);
  border-color: var(--color-primary);
  box-shadow: 0 0 12px rgba(255, 102, 0, 0.15);
}

.page-contact__copy-btn svg {
  flex-shrink: 0;
}

/* ---------- 时间与备注 ---------- */
.page-contact__time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin: 0 0 var(--gap-sm);
}

.page-contact__time svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.page-contact__note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
  font-style: italic;
}

/* ---------- 抽象地图 ---------- */
.page-contact__map {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-light);
  border: 1px solid rgba(139, 92, 246, 0.12);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-contact__map-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- 其他联系方式 ---------- */
.page-contact__other {
  margin-bottom: var(--gap-xl);
}

.page-contact__card--alt {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.page-contact__card-icon {
  width: 100%;
  max-width: 100px;
  margin: 0 auto;
  padding: var(--gap-md) var(--gap-md) 0;
}

.page-contact__icon-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}

.page-contact__info-grid {
  display: flex;
  flex-direction: column;
  gap: var(--gap-md);
  margin-bottom: var(--gap-md);
}

.page-contact__info-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--gap-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.page-contact__info-item:last-child {
  border-bottom: none;
}

.page-contact__info-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.page-contact__info-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-white);
  word-break: break-word;
}

.page-contact__unverified {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin: 0;
  padding: var(--gap-sm) 0 0;
  border-top: 1px dashed rgba(255, 102, 0, 0.2);
  font-style: italic;
}

/* ---------- 操作按钮 ---------- */
.page-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-md);
  margin-top: var(--gap-lg);
}

.page-contact .btn {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  cursor: pointer;
  line-height: 1.4;
}

.page-contact .btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border: 2px solid var(--color-primary);
}

.page-contact .btn-primary:hover,
.page-contact .btn-primary:focus-visible {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: 0 0 20px rgba(255, 102, 0, 0.25);
  transform: translateY(-1px);
}

.page-contact .btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.page-contact .btn-outline:hover,
.page-contact .btn-outline:focus-visible {
  background: rgba(255, 102, 0, 0.08);
  box-shadow: 0 0 16px rgba(255, 102, 0, 0.12);
  transform: translateY(-1px);
}

/* ---------- 信任声明 ---------- */
.page-contact .trust-statement {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  padding: var(--gap-md) 0 0;
  margin-top: var(--gap-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
  line-height: 1.6;
}

/* ========== 桌面端 (≥768px) ========== */
@media (min-width: 768px) {
  .page-contact__container {
    padding: var(--gap-xl) var(--gap-lg) var(--gap-xl);
  }

  .page-contact__hero {
    padding-left: var(--gap-md);
    margin-bottom: calc(var(--gap-xl) + 8px);
  }

  .page-contact__support-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-lg);
    align-items: start;
  }

  .page-contact__card--email {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  }

  .page-contact__card--alt {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
    flex-direction: row;
    align-items: center;
  }

  .page-contact__card-icon {
    width: 120px;
    max-width: 120px;
    padding: var(--gap-lg) 0 var(--gap-lg) var(--gap-lg);
    margin: 0;
    flex-shrink: 0;
  }

  .page-contact__card-body {
    padding: var(--gap-lg);
  }

  .page-contact__map {
    min-height: 280px;
    position: sticky;
    top: calc(var(--header-h) + var(--gap-lg));
  }

  .page-contact__info-grid {
    flex-direction: row;
    gap: var(--gap-xl);
  }

  .page-contact__info-item {
    flex: 1;
    border-bottom: none;
    padding: 0;
  }

  .page-contact__actions {
    justify-content: flex-end;
  }

  .page-contact .trust-statement {
    text-align: left;
  }
}

/* ========== 桌面端大屏 (≥1024px) ========== */
@media (min-width: 1024px) {
  .page-contact__container {
    padding-left: var(--gap-xl);
    padding-right: var(--gap-xl);
  }

  .page-contact__support-grid {
    gap: calc(var(--gap-lg) * 1.5);
  }

  .page-contact__map {
    min-height: 320px;
  }
}