.page-contact {
  --contact-deco-color: rgba(138, 43, 226, 0.08);
  --contact-line-color: rgba(255, 90, 0, 0.12);
  --contact-card-radius: 8px;
  --contact-clip-offset: 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  width: 100%;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  color: var(--color-text, #FFFFFF);
  font-family: var(--font-body, 'Inter', sans-serif);
}

/* ── 面包屑 ── */
.contact-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted, #B0B0B0);
  padding: 0.25rem 0;
}
.contact-breadcrumb-link {
  color: var(--color-accent, #FF5A00);
  text-decoration: none;
  transition: opacity var(--transition, 0.25s ease);
}
.contact-breadcrumb-link:hover,
.contact-breadcrumb-link:focus-visible {
  opacity: 0.75;
}
.contact-breadcrumb-sep {
  color: var(--color-text-muted, #B0B0B0);
  font-size: 0.75rem;
}
.contact-breadcrumb-current {
  color: var(--color-text, #FFFFFF);
  font-weight: 600;
}

/* ── 英雄区 ── */
.contact-hero {
  position: relative;
  padding: 1.5rem 0 0.5rem;
  text-align: center;
}
.contact-hero-title {
  font-family: var(--font-heading, 'Impact', 'Arial Black', sans-serif);
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 700;
  color: var(--color-text, #FFFFFF);
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  position: relative;
  display: inline-block;
  -webkit-clip-path: polygon(0 0, 100% 0, 98% 100%, 0 100%);
  clip-path: polygon(0 0, 100% 0, 98% 100%, 0 100%);
  padding-right: 0.25rem;
}
.contact-hero-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60%;
  height: 4px;
  background: var(--color-accent, #FF5A00);
  -webkit-clip-path: polygon(0 0, 100% 0, 95% 100%, 0 100%);
  clip-path: polygon(0 0, 100% 0, 95% 100%, 0 100%);
}
.contact-hero-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted, #B0B0B0);
  margin: 0.75rem auto 0;
  max-width: 560px;
  line-height: 1.6;
}
.contact-hero-deco {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.contact-hero-deco::before,
.contact-hero-deco::after {
  content: '';
  position: absolute;
  width: 200%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-neon, #8A2BE2), transparent);
  opacity: 0.3;
  top: 20%;
  left: -50%;
  transform: rotate(-15deg);
}
.contact-hero-deco::after {
  top: 70%;
  width: 180%;
  left: -40%;
  background: linear-gradient(90deg, transparent, var(--color-accent, #FF5A00), transparent);
  opacity: 0.2;
  transform: rotate(10deg);
}

/* ── 速度线背景（全页） ── */
.page-contact::before,
.page-contact::after {
  content: '';
  position: fixed;
  pointer-events: none;
  z-index: 0;
  opacity: 0.06;
}
.page-contact::before {
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle at 30% 40%, var(--color-neon, #8A2BE2) 0%, transparent 70%);
  transform: skewX(-20deg);
}
.page-contact::after {
  bottom: -5%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle at 70% 60%, var(--color-accent, #FF5A00) 0%, transparent 70%);
  transform: skewX(15deg);
}

/* ── Bento 网格 ── */
.contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

/* ── 通用卡片 ── */
.contact-card {
  position: relative;
  background: var(--color-card, #1A2A3E);
  border: 1px solid rgba(192, 192, 192, 0.15);
  border-radius: var(--contact-card-radius);
  padding: 1.5rem 1.25rem;
  transition: transform var(--transition, 0.25s ease), box-shadow var(--transition, 0.25s ease);
  overflow: hidden;
}
.contact-card:hover,
.contact-card:focus-within {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}
.contact-card-deco {
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 90, 0, 0.08) 50%);
  pointer-events: none;
}

/* ── 卡片标题 ── */
.contact-card-title {
  font-family: var(--font-heading, 'Impact', 'Arial Black', sans-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text, #FFFFFF);
  margin: 0 0 0.35rem;
  letter-spacing: 0.01em;
  position: relative;
  display: inline-block;
}
.contact-card-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent, #FF5A00);
  -webkit-clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
}
.contact-card-sub {
  font-size: 0.9rem;
  color: var(--color-text-muted, #B0B0B0);
  margin: 0.15rem 0 1rem;
  line-height: 1.5;
}

/* ── 主卡片：联系信息 ── */
.contact-card--primary {
  grid-column: 1 / -1;
  padding-top: 1.75rem;
}
.contact-card-header {
  text-align: center;
  margin-bottom: 1.5rem;
}
.contact-avatar-wrap {
  width: 90px;
  height: 90px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  border: 2px solid var(--color-accent, #FF5A00);
  overflow: hidden;
  -webkit-clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  transition: transform 0.3s ease;
}
.contact-avatar-wrap:hover {
  transform: scale(1.04);
}
.contact-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── 联系详情 ── */
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  background: rgba(11, 27, 45, 0.5);
  border-radius: 6px;
  border-left: 3px solid var(--color-accent, #FF5A00);
  transition: background var(--transition, 0.25s ease);
}
.contact-item:hover {
  background: rgba(11, 27, 45, 0.75);
}
.contact-item-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  margin-top: 0.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-item-icon svg {
  display: block;
}
.contact-item-body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
  flex: 1;
}
.contact-item-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent, #FF5A00);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.contact-item-value {
  font-size: 1rem;
  word-break: break-word;
  color: var(--color-text, #FFFFFF);
}
.contact-link {
  color: var(--color-accent, #FF5A00);
  text-decoration: none;
  transition: opacity var(--transition, 0.25s ease);
  font-weight: 500;
}
.contact-link:hover,
.contact-link:focus-visible {
  opacity: 0.75;
  text-decoration: underline;
}
.contact-item-value--text {
  color: var(--color-text, #FFFFFF);
  font-weight: 400;
}

/* ── 地址项内的地图 ── */
.contact-item--address {
  flex-direction: column;
  border-left-color: var(--color-neon, #8A2BE2);
}
.contact-item--address .contact-item-body {
  width: 100%;
}
.contact-map-wrap {
  margin-top: 0.75rem;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(192, 192, 192, 0.2);
  max-width: 100%;
}
.contact-map {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.contact-map-wrap:hover .contact-map {
  transform: scale(1.02);
}

/* ── 服务卡片 ── */
.contact-card--service {
  text-align: center;
  border-top: 3px solid var(--color-neon, #8A2BE2);
}
.contact-service-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.75rem 0;
  padding: 0.35rem 1rem 0.35rem 0.75rem;
  background: rgba(138, 43, 226, 0.12);
  border-radius: 20px;
  border: 1px solid rgba(138, 43, 226, 0.3);
}
.contact-service-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent, #FF5A00);
  animation: contact-pulse 1.8s ease-in-out infinite;
}
@keyframes contact-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.contact-service-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-neon, #8A2BE2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.contact-service-text {
  font-size: 0.95rem;
  color: var(--color-text-muted, #B0B0B0);
  line-height: 1.7;
  margin: 0.5rem 0 1rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.contact-service-note {
  font-size: 0.85rem;
  color: var(--color-accent, #FF5A00);
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border: 1px dashed rgba(255, 90, 0, 0.35);
  border-radius: 4px;
  background: rgba(255, 90, 0, 0.05);
}

/* ── 常见原因卡片 ── */
.contact-card--reasons {
  border-bottom: 3px solid var(--color-accent, #FF5A00);
}
.contact-reasons-list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.contact-reasons-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 0.85rem;
  background: rgba(11, 27, 45, 0.4);
  border-radius: 6px;
  transition: background var(--transition, 0.25s ease), transform var(--transition, 0.25s ease);
}
.contact-reasons-item:hover {
  background: rgba(11, 27, 45, 0.7);
  transform: translateX(4px);
}
.contact-reasons-num {
  font-family: var(--font-heading, 'Impact', 'Arial Black', sans-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent, #FF5A00);
  opacity: 0.6;
  flex-shrink: 0;
  width: 2rem;
  text-align: right;
}
.contact-reasons-body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
}
.contact-reasons-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text, #FFFFFF);
}
.contact-reasons-link {
  font-size: 0.85rem;
  color: var(--color-neon, #8A2BE2);
  text-decoration: none;
  transition: opacity var(--transition, 0.25s ease);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.contact-reasons-link:hover,
.contact-reasons-link:focus-visible {
  opacity: 0.75;
  text-decoration: underline;
}

/* ── 返回顶部 ── */
.contact-back {
  text-align: center;
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
}
.contact-back-link {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent, #FF5A00);
  background: transparent;
  border: 1px solid var(--color-accent, #FF5A00);
  border-radius: 20px;
  text-decoration: none;
  transition: background var(--transition, 0.25s ease), color var(--transition, 0.25s ease);
  -webkit-clip-path: polygon(4% 0%, 100% 0%, 96% 100%, 0% 100%);
  clip-path: polygon(4% 0%, 100% 0%, 96% 100%, 0% 100%);
}
.contact-back-link:hover,
.contact-back-link:focus-visible {
  background: var(--color-accent, #FF5A00);
  color: var(--color-primary, #0B1B2D);
}

/* ── 桌面端（≥768px） ── */
@media (min-width: 768px) {
  .page-contact {
    padding: 2rem 2rem 4rem;
    gap: 2.5rem;
  }
  .contact-hero {
    padding: 2rem 0 1rem;
  }
  .contact-hero-title {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
  }
  .contact-grid {
    grid-template-columns: 1.8fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }
  .contact-card--primary {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
    padding: 2rem 1.75rem;
  }
  .contact-card-header {
    text-align: left;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
  }
  .contact-avatar-wrap {
    width: 100px;
    height: 100px;
    margin: 0;
    flex-shrink: 0;
  }
  .contact-card--service {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
    padding: 1.75rem 1.5rem;
  }
  .contact-card--reasons {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
    padding: 1.75rem 1.5rem;
  }
  .contact-details {
    gap: 1rem;
  }
  .contact-item {
    padding: 0.75rem 1rem;
  }
  .contact-item--address {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .contact-item--address .contact-item-body {
    flex: 1;
  }
  .contact-map-wrap {
    margin-top: 0.5rem;
    max-width: 280px;
  }
  .contact-service-text {
    font-size: 0.9rem;
  }
}

/* ── 大桌面（≥1024px） ── */
@media (min-width: 1024px) {
  .page-contact {
    padding: 2.5rem 2.5rem 5rem;
    gap: 3rem;
  }
  .contact-grid {
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
  }
  .contact-card--primary {
    padding: 2.5rem 2rem;
  }
  .contact-avatar-wrap {
    width: 120px;
    height: 120px;
  }
  .contact-card-title {
    font-size: 1.5rem;
  }
  .contact-item-value {
    font-size: 1.05rem;
  }
  .contact-map-wrap {
    max-width: 320px;
  }
}