.page-contact {
  --contact-accent: #C6FF00;
  --contact-warm: #FF7A00;
  --contact-night: #0B1B3A;
  --contact-ink: #1A1A1A;
  --contact-pale: #F5F5F5;
  --contact-muted: #666666;
  color: var(--color-dark-gray);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* 首屏 */
.contact-hero {
  position: relative;
  padding: 4.5rem 0 3rem;
  background:
    radial-gradient(circle at 85% 10%, rgba(198,255,0,0.14) 0, transparent 34%),
    linear-gradient(140deg, #0B1B3A 0%, #000 82%);
  color: #fff;
  overflow: hidden;
}
.contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 220px;
  height: 220px;
  background: repeating-linear-gradient(-45deg, rgba(255,255,255,0.07) 0 10px, transparent 10px 20px);
  opacity: 0.55;
  clip-path: polygon(48% 0, 100% 0, 100% 100%, 0 100%);
}
.contact-hero__inner {
  position: relative;
  z-index: 2;
}
.contact-hero__content {
  max-width: 34rem;
}
.contact-hero__breadcrumbs {
  margin-bottom: 1.5rem;
}
.contact-hero .breadcrumbs,
.contact-hero .breadcrumb-sep {
  color: rgba(255,255,255,0.65);
}
.contact-hero .breadcrumbs a {
  color: var(--contact-accent);
  text-decoration: none;
}
.contact-hero .breadcrumbs a:hover {
  text-decoration: underline;
}
.contact-hero__eyebrow {
  display: inline-block;
  background: var(--contact-accent);
  color: #000;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.85rem;
}
.contact-hero .page-title {
  margin-top: 1rem;
  color: #fff;
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.08;
}
.contact-hero__desc {
  margin-top: 1.2rem;
  color: rgba(255,255,255,0.82);
  font-size: 1.02rem;
  line-height: 1.8;
}
.contact-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2.1rem;
  padding: 0;
  list-style: none;
}
.contact-hero__tag {
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.85rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.9);
}
.contact-hero__visual {
  position: relative;
  margin-top: 2.6rem;
}
.contact-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(5% 0, 100% 0, 100% 86%, 92% 100%, 0 100%, 0 8%);
  box-shadow: 0 24px 50px rgba(0,0,0,0.4);
}
.contact-hero__visual::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 10px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--contact-accent);
  clip-path: polygon(5% 0, 100% 0, 100% 86%, 92% 100%, 0 100%, 0 8%);
  pointer-events: none;
}

/* 01 联系渠道 */
.contact-channels {
  position: relative;
  background: var(--color-light-gray);
  padding: 4.5rem 0 4rem;
}
.contact-channels::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 120px;
  height: 120px;
  background: rgba(198,255,0,0.5);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}
.contact-channels__head {
  position: relative;
  margin-bottom: 2.2rem;
}
.contact-channels__title {
  margin-top: 0.7rem;
  color: var(--color-dark-gray);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.3;
}
.contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

/* 联系卡片 */
.contact-card {
  position: relative;
  background: #fff;
  padding: 1.6rem 1.5rem 1.9rem;
  box-shadow: 0 10px 28px rgba(11,27,58,0.07);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: transform var(--transition), box-shadow var(--transition);
}
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(11,27,58,0.12);
}
.contact-card--accent {
  border-top: 4px solid var(--contact-warm);
}
.contact-card:not(.contact-card--accent) {
  border-top: 4px solid var(--contact-night);
}
.contact-card__tag {
  display: inline-block;
  background: var(--contact-night);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.65rem;
}
.contact-card--accent .contact-card__tag {
  background: var(--contact-warm);
  color: #000;
}
.contact-card__title {
  margin-top: 0.8rem;
  color: var(--contact-night);
  font-size: 1.05rem;
  font-weight: 800;
}
.contact-card__value {
  margin-top: 0.5rem;
  color: var(--contact-ink);
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.5;
  word-break: break-word;
  user-select: all;
}
.contact-card__note {
  margin-top: 0.6rem;
  color: var(--contact-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* 02 服务说明 */
.contact-service {
  position: relative;
  background: var(--color-neon-green);
  color: var(--contact-ink);
  padding: 4rem 0;
  overflow: hidden;
}
.contact-service::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 300px;
  height: 150px;
  background: repeating-linear-gradient(-45deg, rgba(11,27,58,0.12) 0 12px, transparent 12px 24px);
}
.contact-service__container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  align-items: center;
}
.contact-service__number {
  background: var(--contact-night);
  color: var(--contact-accent);
}
.contact-service__subtitle {
  color: var(--contact-night);
}
.contact-service__title {
  margin-top: 0.5rem;
  color: var(--contact-night);
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.25;
}
.contact-service__list {
  display: grid;
  gap: 0.7rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}
.contact-service__list li {
  background: rgba(255,255,255,0.35);
  border-left: 5px solid var(--contact-night);
  padding: 0.9rem 1rem;
  font-size: 0.94rem;
  line-height: 1.6;
}
.contact-service__list strong {
  color: var(--contact-night);
  font-weight: 800;
}
.contact-service__visual {
  position: relative;
  padding-bottom: 1.5rem;
  padding-right: 1.5rem;
  overflow: hidden;
}
.contact-service__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 4px solid #fff;
  box-shadow: 12px 12px 0 var(--contact-night);
}
.contact-service__map {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 52%;
  max-width: 260px;
  background: rgba(255,255,255,0.72);
  border-left: 6px solid var(--contact-warm);
  padding: 0.7rem 1rem;
  backdrop-filter: blur(2px);
}

/* 03 合作洽谈 */
.contact-cooperation {
  position: relative;
  background: var(--color-deep-blue);
  color: #fff;
  padding: 4.5rem 0;
  overflow: hidden;
}
.contact-cooperation::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 44%;
  height: 100%;
  background: repeating-linear-gradient(135deg, rgba(255,255,255,0.06) 0 14px, transparent 14px 28px);
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%);
}
.contact-cooperation__panel {
  position: relative;
  z-index: 2;
  max-width: 46rem;
}
.contact-cooperation__number {
  background: var(--contact-accent);
  color: var(--contact-night);
}
.contact-cooperation__subtitle {
  color: var(--contact-accent);
}
.contact-cooperation__title {
  margin-top: 0.5rem;
  color: #fff;
  font-size: 1.9rem;
  font-weight: 800;
  line-height: 1.25;
}
.contact-cooperation__desc {
  margin-top: 1.1rem;
  max-width: 38rem;
  color: rgba(255,255,255,0.82);
  font-size: 1rem;
  line-height: 1.8;
}
.contact-cooperation__link {
  color: var(--contact-warm);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.contact-cooperation__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}
.contact-cooperation .btn-outline {
  border-color: rgba(255,255,255,0.9);
  color: #fff;
}
.contact-cooperation .btn-outline:hover {
  background: rgba(255,255,255,0.12);
}

/* 04 常见问题 */
.contact-faq {
  background: var(--color-light-gray);
  padding: 4.5rem 0 4rem;
}
.contact-faq__head {
  margin-bottom: 2rem;
}
.contact-faq__title {
  margin-top: 0.5rem;
  color: var(--color-dark-gray);
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1.25;
}
.contact-faq__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.contact-faq__item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #fff;
  padding: 1.3rem 1.4rem;
  border-left: 6px solid transparent;
  box-shadow: 0 8px 24px rgba(11,27,58,0.05);
  text-decoration: none;
  color: var(--contact-ink);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.contact-faq__item:hover {
  border-left-color: var(--contact-accent);
  transform: translateX(6px);
  box-shadow: 0 12px 28px rgba(11,27,58,0.1);
}
.contact-faq__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.4rem;
  height: 2.4rem;
  background: var(--contact-night);
  color: var(--contact-accent);
  font-size: 0.8rem;
  font-weight: 800;
}
.contact-faq__text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex: 1;
}
.contact-faq__text strong {
  color: var(--contact-ink);
  font-size: 1rem;
  font-weight: 800;
}
.contact-faq__text span {
  color: var(--contact-muted);
  font-size: 0.85rem;
  line-height: 1.5;
}
.contact-faq__arrow {
  color: var(--contact-warm);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
}

/* 桌面端断点 */
@media (min-width: 768px) {
  .contact-hero {
    padding: 5rem 0 4rem;
  }
  .contact-hero__inner {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 3rem;
    align-items: center;
  }
  .contact-hero__visual {
    margin-top: 0;
  }
  .contact-channels__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
  }
  .contact-service__container {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  .contact-service__img {
    aspect-ratio: 4 / 3;
  }
}

@media (min-width: 1100px) {
  .contact-hero {
    padding: 6rem 0 5rem;
  }
  .contact-hero .page-title {
    font-size: 2.6rem;
  }
  .contact-hero__desc {
    font-size: 1.08rem;
  }
  .contact-channels {
    padding: 5.5rem 0 5rem;
  }
  .contact-channels__grid {
    gap: 1.75rem;
  }
  .contact-service {
    padding: 5rem 0;
  }
  .contact-service__title {
    font-size: 2.2rem;
  }
  .contact-cooperation {
    padding: 5.5rem 0;
  }
  .contact-cooperation__title {
    font-size: 2.3rem;
  }
  .contact-faq {
    padding: 5.5rem 0 5rem;
  }
  .contact-faq__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
  .contact-faq__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
    border-left: 0;
    border-bottom: 6px solid transparent;
  }
  .contact-faq__item:hover {
    border-left-color: transparent;
    border-bottom-color: var(--contact-accent);
    transform: translateY(-4px);
  }
}