.page-contact {
  --contact-corner: 28px;
  --contact-line: 4px;
  --contact-green-soft: rgba(57, 255, 20, 0.12);
  background: var(--c-primary-blue);
}

/* ===== 首屏横幅 ===== */
.page-contact__hero {
  position: relative;
  min-height: 380px;
  background: var(--c-primary-blue);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.page-contact__hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-contact__hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3.5rem;
}

.page-contact__hero-slant {
  position: absolute;
  right: -12%;
  bottom: -8%;
  width: 55%;
  height: 65%;
  background: var(--c-accent-orange);
  clip-path: polygon(40% 0, 100% 0, 100% 100%, 0% 100%);
  opacity: 0.22;
  z-index: 1;
  pointer-events: none;
}

.page-contact__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.72);
}

.page-contact__breadcrumb a {
  color: var(--c-accent-green);
  text-decoration: none;
  transition: color var(--dur-fast) ease;
}

.page-contact__breadcrumb a:hover,
.page-contact__breadcrumb a:focus {
  color: #ffffff;
  text-decoration: underline;
}

.page-contact__hero-kicker {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent-green);
}

.page-contact__hero h1 {
  margin: 0 0 1rem;
  max-width: 18em;
  font-family: var(--font-display);
  font-size: 2.375rem;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 1px;
  color: #ffffff;
}

.page-contact__hero-lead {
  max-width: 38em;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
}

/* ===== 页面通用栅格 ===== */
.page-contact__wrap {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 3.5rem 1.25rem;
}

.page-contact__section-meta {
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.page-contact__section-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--c-accent-orange);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--c-primary-blue);
  margin-bottom: 1rem;
}

.page-contact__section-index--light {
  color: var(--c-primary-blue);
}

.page-contact__section-desc {
  margin: 0.75rem 0 0;
  font-size: 1rem;
  line-height: 1.7;
  color: inherit;
  opacity: 0.72;
}

/* ===== 01 联系渠道 ===== */
.page-contact__channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-contact__channel-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--contact-corner);
  padding: 1.75rem 1.75rem 1.75rem 2rem;
  background: var(--c-secondary-blue);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-card);
  color: #ffffff;
}

.page-contact__channel-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: var(--contact-line);
  height: 100%;
  background: var(--c-accent-orange);
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
}

.page-contact__channel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-contact__channel-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-text-secondary);
}

.page-contact__channel-label {
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--contact-green-soft);
  border: 1px solid rgba(57, 255, 20, 0.2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-accent-green);
}

.page-contact__channel-type {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  color: var(--c-text-secondary);
}

.page-contact__channel-value {
  display: inline-block;
  margin-bottom: 0.9rem;
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.3;
  color: #ffffff;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-fast) ease, border-color var(--dur-fast) ease;
  word-break: break-all;
}

a.page-contact__channel-value:hover,
a.page-contact__channel-value:focus {
  color: var(--c-accent-orange);
  border-color: var(--c-accent-orange);
}

.page-contact__channel-note {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--c-text-secondary);
}

.page-contact__channel-address {
  margin-bottom: 0.9rem;
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.45;
  color: #ffffff;
}

.page-contact__channel-address-wrap {
  display: grid;
  gap: 1rem;
}

/* 联系前准备 */
.page-contact__prep {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
  padding: 1.75rem;
  border-radius: var(--contact-corner);
  background: var(--c-primary-blue);
  border: 1px solid var(--c-border);
  color: #ffffff;
}

.page-contact__prep-copy {
  display: grid;
  gap: 0.35rem;
}

.page-contact__prep-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.375rem;
  letter-spacing: 0.5px;
  color: #ffffff;
}

.page-contact__prep-desc {
  margin: 0;
  font-size: 0.875rem;
  color: var(--c-text-secondary);
  line-height: 1.6;
}

.page-contact__prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact__prep-list li {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  background: var(--c-secondary-blue);
  font-size: 0.9375rem;
  color: var(--c-text-secondary);
  line-height: 1.5;
}

.page-contact__prep-list b {
  color: var(--c-accent-orange);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* ===== 02 服务时间 ===== */
.page-contact__service {
  background: var(--c-primary-blue);
}

.page-contact__service-wrap {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.page-contact__service-content {
  color: #ffffff;
}

.page-contact__service-text {
  margin: 0;
  max-width: 42em;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-text-secondary);
}

.page-contact__service-list {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-contact__service-list li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 1rem;
  line-height: 1.5;
  color: #ffffff;
}

.page-contact__service-mark {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-accent-green);
  box-shadow: 0 0 0 4px var(--contact-green-soft);
}

.page-contact__service-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.75rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(57, 255, 20, 0.25);
  background: var(--contact-green-soft);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-accent-green);
}

.page-contact__service-media {
  position: relative;
  min-height: 240px;
  border-radius: var(--contact-corner);
  overflow: hidden;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-card);
}

.page-contact__service-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.65;
}

.page-contact__service-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  background: linear-gradient(180deg, rgba(10, 25, 47, 0.15), rgba(10, 25, 47, 0.6));
}

.page-contact__service-num {
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 1;
  color: var(--c-accent-orange);
  letter-spacing: 1px;
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.45);
}

.page-contact__service-label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  color: #ffffff;
}

/* ===== 03 常见问题快链 ===== */
.page-contact__faq-meta {
  margin-bottom: 2rem;
}

.page-contact__faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-contact__faq-card {
  position: relative;
  display: block;
  padding: 1.75rem;
  padding-right: 3.25rem;
  border-radius: var(--contact-corner);
  background: var(--c-secondary-blue);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  color: #ffffff;
  overflow: hidden;
  transition: transform var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out);
}

.page-contact__faq-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 76px;
  height: 100%;
  background: var(--c-accent-orange);
  clip-path: polygon(100% 0, 100% 100%, 28% 100%, 68% 0);
  opacity: 0.18;
  transition: opacity var(--dur-med) var(--ease-out);
  pointer-events: none;
}

.page-contact__faq-card:hover,
.page-contact__faq-card:focus {
  transform: translateY(-4px);
  border-color: var(--c-accent-orange);
}

.page-contact__faq-card:hover::after,
.page-contact__faq-card:focus::after {
  opacity: 0.32;
}

.page-contact__faq-tag {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(57, 255, 20, 0.22);
  background: var(--contact-green-soft);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--c-accent-green);
  margin-bottom: 1rem;
}

.page-contact__faq-title {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.4;
  color: #ffffff;
}

.page-contact__faq-desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-text-secondary);
}

.page-contact__faq-arrow {
  position: absolute;
  right: 1.25rem;
  bottom: 1.25rem;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--c-accent-orange);
  line-height: 1;
  z-index: 1;
}

/* ===== 隐私承诺 ===== */
.page-contact__privacy {
  border-top: 1px solid var(--c-border);
}

.page-contact__privacy-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.page-contact__privacy-text {
  margin: 0;
  max-width: 54em;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--c-text-secondary);
}

.page-contact__privacy-text strong {
  color: var(--c-accent-orange);
  font-weight: 600;
}

.page-contact__privacy-link {
  flex-shrink: 0;
}

/* ===== 平板及以上 ===== */
@media (min-width: 768px) {
  .page-contact__hero {
    min-height: 430px;
  }

  .page-contact__hero-inner {
    padding-top: 2rem;
    padding-bottom: 4rem;
  }

  .page-contact__hero h1 {
    font-size: 3rem;
  }

  .page-contact__wrap {
    padding: 5rem 2.25rem;
  }

  .page-contact__channels-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact__channel-card--address {
    grid-column: 1 / -1;
  }

  .page-contact__prep {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 2.5rem;
    padding: 2rem 2.25rem;
  }

  .page-contact__prep-list {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-contact__prep-list li {
    display: block;
    padding: 0.9rem 1rem;
  }

  .page-contact__prep-list b {
    display: block;
    margin-bottom: 0.3rem;
  }

  .page-contact__service-wrap {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }

  .page-contact__faq-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}

/* ===== 桌面端 ===== */
@media (min-width: 1080px) {
  .page-contact__hero h1 {
    font-size: 3.5rem;
  }

  .page-contact__section-meta {
    margin-bottom: 3rem;
  }

  .page-contact__channel-address-wrap {
    grid-template-columns: 1fr 0.9fr;
    align-items: center;
    gap: 2.5rem;
  }

  .page-contact__privacy-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}