/* ===== 联系页专属样式 ===== */
.page-contact {
  --contact-line: rgba(0, 212, 255, 0.22);
  --contact-ink: #111827;
  background: linear-gradient(180deg, #0B1D3A 0%, #081226 82%);
  color: #F5F7FA;
  overflow-x: hidden;
}

/* 面包屑 */
.page-contact .breadcrumb {
  padding-top: calc(var(--header-h) + 1rem);
  margin-bottom: -0.5rem;
}
.page-contact .breadcrumb-item {
  color: var(--color-muted);
}
.page-contact .breadcrumb-item[aria-current="page"] {
  color: var(--color-electric);
}

/* ===== Hero ===== */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(3rem, 7vw, 5rem) 0 var(--section-space);
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -2rem;
  right: -3rem;
  width: 18rem;
  height: 18rem;
  background: radial-gradient(circle, var(--contact-purple), transparent 68%);
  pointer-events: none;
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-electric), var(--color-purple), transparent 74%);
  opacity: 0.7;
}
.page-contact .contact-hero__inner {
  display: grid;
  gap: 2.25rem;
  position: relative;
  z-index: 1;
}
.page-contact .contact-hero__content {
  display: grid;
  gap: 1.25rem;
  justify-items: start;
}
.page-contact .contact-hero h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(2.15rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0.02em;
}
.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 36rem;
  color: var(--color-muted);
  line-height: 1.8;
}
.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 0.375rem;
}
.page-contact .fact-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: rgba(11, 29, 58, 0.45);
  color: var(--color-muted);
  font-size: 0.875rem;
}
.page-contact .fact-chip strong {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-electric);
}
.page-contact .contact-hero__visual {
  position: relative;
}
.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0.75rem -0.75rem -0.75rem 0.75rem;
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  z-index: -1;
}

/* ===== 媒体框架 ===== */
.page-contact .media-frame {
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.03);
}
.page-contact .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-contact .media-ratio-4x3 {
  aspect-ratio: 4 / 3;
}

/* ===== 章节通用 ===== */
.page-contact .chapter {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
}
.page-contact .chapter-number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-purple);
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  align-self: start;
}
.page-contact .chapter-content {
  min-width: 0;
}
.page-contact .section-heading {
  display: grid;
  gap: 0.625rem;
  margin-bottom: 1.5rem;
}
.page-contact .section-kicker {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-electric);
}
.page-contact .section-heading h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.15;
}
.page-contact .section-lead {
  margin: 0;
  max-width: 42rem;
  color: var(--color-muted);
  line-height: 1.7;
}

/* ===== 01 客服渠道 ===== */
.page-contact .channels-section {
  padding: var(--section-space) 0 1rem;
}
.page-contact .channel-grid {
  display: grid;
  gap: 1.25rem;
}
.page-contact .channel-card {
  position: relative;
  display: grid;
  gap: 0.75rem;
  padding: 1.5rem;
  background: var(--color-light);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius);
  color: var(--color-ink);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.page-contact .channel-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 212, 255, 0.45);
  box-shadow: var(--shadow-md);
}
.page-contact .channel-card--email {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.14), rgba(155, 89, 182, 0.16)), var(--color-light);
  border-top: 3px solid var(--color-electric);
}
.page-contact .channel-card--address {
  border-bottom: 3px solid var(--color-orange);
}
.page-contact .channel-card__badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.25rem 0.625rem;
  background: var(--color-orange);
  color: var(--color-ink);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 999px;
}
.page-contact .channel-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.625rem;
  background: rgba(0, 212, 255, 0.14);
  color: var(--color-electric);
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}
.page-contact .channel-card:hover .channel-card__icon {
  transform: rotate(-6deg) scale(1.06);
  background: rgba(0, 212, 255, 0.26);
}
.page-contact .channel-card--phone .channel-card__icon {
  background: rgba(155, 89, 182, 0.16);
  color: var(--color-purple);
}
.page-contact .channel-card--phone:hover .channel-card__icon {
  background: rgba(155, 89, 182, 0.28);
}
.page-contact .channel-card--address .channel-card__icon {
  background: rgba(255, 107, 53, 0.14);
  color: var(--color-orange);
}
.page-contact .channel-card--address:hover .channel-card__icon {
  background: rgba(255, 107, 53, 0.24);
}
.page-contact .channel-card h3 {
  margin: 0.25rem 0 0;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-ink);
}
.page-contact .channel-card__copy {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: #4B5563;
}
.page-contact .channel-card__value {
  margin-top: 0.25rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: #0B1D3A;
  word-break: break-word;
  user-select: all;
  -webkit-user-select: all;
}
.page-contact .channel-card--email .channel-card__value {
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  font-weight: 700;
}
.page-contact .channel-map {
  margin-top: 1.5rem;
  max-width: 44rem;
  margin-left: auto;
  margin-right: auto;
}
.page-contact .channel-map figcaption {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-muted);
  text-align: center;
}

/* ===== 02 处理流程 ===== */
.page-contact .process-section {
  padding: var(--section-space) 0;
  background:
    radial-gradient(circle at 88% 18%, rgba(155, 89, 182, 0.16), transparent 42%),
    linear-gradient(180deg, rgba(11, 29, 58, 0) 0%, rgba(0, 212, 255, 0.045) 100%);
}
.page-contact .process-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.page-contact .process-step {
  position: relative;
  display: grid;
  gap: 0.65rem;
  min-height: 11rem;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
}
.page-contact .process-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-electric), transparent);
  opacity: 0.55;
}
.page-contact .process-step__num {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.1rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-electric);
}
.page-contact .process-step h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.08rem;
  color: #fff;
}
.page-contact .process-step p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-muted);
}

/* ===== 03 常见导航 ===== */
.page-contact .quicknav-section {
  padding: var(--section-space) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.page-contact .contact-trust {
  margin: 0 0 2rem;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--color-electric);
  background: rgba(0, 212, 255, 0.06);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-muted);
}
.page-contact .contact-trust p {
  margin: 0;
  line-height: 1.7;
}
.page-contact .quicknav-grid {
  display: grid;
  gap: 1rem;
}
.page-contact .quicknav-card {
  display: grid;
  gap: 0.6rem;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  color: #F5F7FA;
  text-decoration: none;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}
.page-contact .quicknav-card:hover {
  border-color: rgba(0, 212, 255, 0.55);
  background: rgba(0, 212, 255, 0.06);
  transform: translateY(-3px);
}
.page-contact .quicknav-card:focus-visible {
  outline: 2px solid var(--color-electric);
  outline-offset: 3px;
}
.page-contact .quicknav-card__num {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-orange);
}
.page-contact .quicknav-card h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.08rem;
  color: #fff;
}
.page-contact .quicknav-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-muted);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact .channel-card--email {
    grid-row: span 2;
  }
  .page-contact .process-track {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact .quicknav-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 880px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1fr) 0.92fr;
    align-items: center;
    gap: 3.5rem;
  }
}

@media (min-width: 1024px) {
  .page-contact .channel-grid {
    grid-template-columns: 1.25fr 0.75fr;
  }
}

@media (min-width: 1080px) {
  .page-contact .process-track {
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-contact {
  --contact-purple: transparent;
}