.page-contact {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  background-color: var(--clr-bg-dark, #0B1A2A);
  color: var(--clr-text-light, #FFFFFF);
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  overflow: hidden;
  padding: 0 1rem 3rem;
}
.page-contact__bg-texture {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.15;
  mix-blend-mode: overlay;
}
.page-contact__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-contact__overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse at 30% 20%, rgba(0,168,142,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(255,107,53,0.06) 0%, transparent 50%);
}
.page-contact__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width, 1280px);
}
.page-contact__header {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid rgba(0,168,142,0.2);
  margin-bottom: 2rem;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--clr-text-muted, #B0BEC5);
  margin-bottom: 1rem;
}
.breadcrumb a {
  color: var(--clr-text-muted, #B0BEC5);
  text-decoration: none;
  transition: color var(--transition, 0.25s ease);
}
.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--clr-primary, #00A88E);
}
.breadcrumb .sep {
  color: rgba(255,255,255,0.2);
}
.breadcrumb [aria-current="page"] {
  color: var(--clr-primary, #00A88E);
  font-weight: 600;
}
.page-contact__title {
  font-family: var(--font-heading, 'Montserrat Black', sans-serif);
  font-size: 2.25rem;
  line-height: 1.1;
  color: var(--clr-text-light, #FFFFFF);
  text-shadow: var(--glow, 0 0 12px rgba(0,168,142,0.3));
  margin: 0 0 0.5rem;
}
.page-contact__subtitle {
  font-size: 1rem;
  color: var(--clr-text-muted, #B0BEC5);
  margin: 0;
  max-width: 36rem;
}
.page-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.page-contact__section {
  background: rgba(17,43,63,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(0,168,142,0.15);
  border-radius: var(--radius, 6px);
  padding: 1.5rem;
  transition: border-color var(--transition, 0.25s ease), box-shadow var(--transition, 0.25s ease);
}
.page-contact__section:hover {
  border-color: rgba(0,168,142,0.35);
  box-shadow: 0 4px 24px rgba(0,168,142,0.08);
}
.page-contact__section-title {
  font-family: var(--font-heading, 'Montserrat Black', sans-serif);
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--clr-primary, #00A88E);
  margin: 0 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid rgba(0,168,142,0.15);
  position: relative;
}
.page-contact__section-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 3rem;
  height: 2px;
  background: var(--clr-primary, #00A88E);
}
.page-contact__contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-contact__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.page-contact__contact-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,168,142,0.1);
  border-radius: 50%;
}
.page-contact__contact-icon svg {
  display: block;
}
.page-contact__contact-detail {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.page-contact__contact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--clr-text-muted, #B0BEC5);
}
.page-contact__contact-link {
  font-size: 1rem;
  color: var(--clr-text-light, #FFFFFF);
  text-decoration: none;
  transition: color var(--transition, 0.25s ease);
  word-break: break-all;
}
.page-contact__contact-link:hover,
.page-contact__contact-link:focus-visible {
  color: var(--clr-primary, #00A88E);
}
.page-contact__contact-link--tel {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}
.page-contact__note {
  font-size: 0.875rem;
  color: var(--clr-text-muted, #B0BEC5);
  background: rgba(255,107,53,0.06);
  border-left: 3px solid var(--clr-accent, #FF6B35);
  padding: 0.75rem 1rem;
  margin: 0;
  border-radius: 0 4px 4px 0;
}
.page-contact__form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-contact__form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.page-contact__form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-text-light, #FFFFFF);
}
.page-contact__form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(11,26,42,0.7);
  border: 1px solid rgba(0,168,142,0.2);
  border-radius: var(--radius, 6px);
  color: var(--clr-text-light, #FFFFFF);
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: 0.9375rem;
  transition: border-color var(--transition, 0.25s ease), box-shadow var(--transition, 0.25s ease);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.page-contact__form-input::placeholder {
  color: rgba(176,190,197,0.5);
}
.page-contact__form-input:focus {
  outline: none;
  border-color: var(--clr-primary, #00A88E);
  box-shadow: 0 0 0 3px rgba(0,168,142,0.15);
}
.page-contact__form-input--textarea {
  resize: vertical;
  min-height: 6rem;
}
.page-contact__form-error {
  font-size: 0.75rem;
  color: var(--clr-error, #F44336);
  display: none;
  padding-left: 0.25rem;
}
.page-contact__form-input:invalid:not(:placeholder-shown) ~ .page-contact__form-error,
.page-contact__form-input[data-touched]:invalid ~ .page-contact__form-error {
  display: block;
}
.page-contact__form-submit {
  align-self: flex-start;
  margin-top: 0.5rem;
  padding: 0.75rem 2.5rem;
  font-family: var(--font-heading, 'Montserrat Black', sans-serif);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: none;
  border-radius: var(--radius, 6px);
  transition: background var(--transition, 0.25s ease), transform var(--transition, 0.25s ease), box-shadow var(--transition, 0.25s ease);
}
.page-contact__form-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,168,142,0.3);
}
.page-contact__form-submit:active {
  transform: translateY(0);
}
.page-contact__form-disclaimer {
  font-size: 0.75rem;
  color: var(--clr-text-muted, #B0BEC5);
  margin: 0;
}
.page-contact__form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem 1rem;
  text-align: center;
  color: var(--clr-success, #4CAF50);
  font-size: 1rem;
}
.page-contact__form-success[hidden] {
  display: none;
}
.page-contact__form-success:not([hidden]) {
  display: flex;
}
.page-contact__address {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-style: normal;
  margin-bottom: 1.25rem;
  background: rgba(0,168,142,0.06);
  padding: 0.75rem 1rem;
  border-radius: var(--radius, 6px);
}
.page-contact__address-icon {
  flex-shrink: 0;
  margin-top: 0.125rem;
}
.page-contact__address-text {
  font-size: 1rem;
  color: var(--clr-text-light, #FFFFFF);
  font-weight: 500;
}
.page-contact__map-wrapper {
  position: relative;
  border-radius: var(--radius, 6px);
  overflow: hidden;
  border: 1px solid rgba(0,168,142,0.15);
  margin-bottom: 0.75rem;
}
.page-contact__map-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-contact__map-pin {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -100%);
  pointer-events: none;
  opacity: 0.9;
  filter: drop-shadow(0 2px 8px rgba(255,107,53,0.4));
}
.page-contact__address-note {
  font-size: 0.8125rem;
  color: var(--clr-text-muted, #B0BEC5);
  margin: 0;
}
.page-contact__quick-links {
  background: rgba(17,43,63,0.4);
  border: 1px solid rgba(192,192,192,0.1);
  border-radius: var(--radius, 6px);
  padding: 1.25rem 1.5rem;
  margin-top: 1.5rem;
}
.page-contact__quick-links-title {
  font-family: var(--font-heading, 'Montserrat Black', sans-serif);
  font-size: 1.125rem;
  color: var(--clr-metal, #C0C0C0);
  margin: 0 0 0.75rem;
}
.page-contact__quick-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.page-contact__quick-link {
  color: var(--clr-text-muted, #B0BEC5);
  text-decoration: none;
  font-size: 0.9375rem;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  transition: color var(--transition, 0.25s ease);
}
.page-contact__quick-link:hover,
.page-contact__quick-link:focus-visible {
  color: var(--clr-primary, #00A88E);
}
.page-contact__quick-link::before {
  content: '›';
  color: var(--clr-accent, #FF6B35);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1;
}

/* ---- 桌面端 (min-width: 768px) ---- */
@media (min-width: 768px) {
  .page-contact {
    padding: 0 2rem 4rem;
  }
  .page-contact__header {
    padding: 3rem 0 2rem;
    margin-bottom: 3rem;
  }
  .page-contact__title {
    font-size: 3rem;
  }
  .page-contact__subtitle {
    font-size: 1.125rem;
  }
  .page-contact__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
  }
  .page-contact__left {
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }
  .page-contact__right {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: sticky;
    top: calc(var(--header-h, 64px) + 2rem);
  }
  .page-contact__section {
    padding: 2rem;
  }
  .page-contact__section-title {
    font-size: 1.75rem;
  }
  .page-contact__form {
    gap: 1.25rem;
  }
  .page-contact__quick-links {
    margin-top: 0;
  }
}

/* ---- 宽桌面 (min-width: 1024px) ---- */
@media (min-width: 1024px) {
  .page-contact {
    padding: 0 3rem 5rem;
  }
  .page-contact__grid {
    gap: 3.5rem;
  }
  .page-contact__section {
    padding: 2.5rem;
  }
  .page-contact__title {
    font-size: 3.5rem;
  }
}

/* ---- 超大屏 (min-width: 1440px) ---- */
@media (min-width: 1440px) {
  .page-contact__inner {
    max-width: 1200px;
  }
  .page-contact__grid {
    gap: 4rem;
  }
}

/* ---- 移动端窄屏安全 (max-width: 374px) ---- */
@media (max-width: 374px) {
  .page-contact {
    padding: 0 0.75rem 2rem;
  }
  .page-contact__title {
    font-size: 1.75rem;
  }
  .page-contact__section {
    padding: 1.25rem;
  }
  .page-contact__form-input {
    font-size: 0.875rem;
  }
  .page-contact__map-img {
    max-height: 220px;
    object-fit: cover;
  }
}