.page-contact {
  --contact-card-bg: #16162c;
  --contact-card-bg-2: #101022;
  background: var(--color-bg-dark);
  color: var(--color-text);
  line-height: 1.6;
  overflow: hidden;
}

/* ===== Hero 区 ===== */
.page-contact__hero {
  position: relative;
  padding: calc(var(--header-h) + 2.75rem) 0 4rem;
  background:
    radial-gradient(90rem 32rem at 88% -8%, rgba(212, 175, 55, 0.14), transparent 62%),
    radial-gradient(50rem 24rem at -10% 110%, rgba(139, 0, 0, 0.22), transparent 60%),
    var(--color-primary);
}

.page-contact__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent), transparent 68%);
}

.page-contact__hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.page-contact__hero-copy {
  position: relative;
  z-index: 1;
}

.page-contact__hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 7vw, 3.9rem);
  line-height: 1.12;
  margin: 1rem 0 1.1rem;
  color: #fff;
  letter-spacing: 0.01em;
}

.page-contact__hero-lead {
  max-width: 36rem;
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--color-muted);
  margin: 0 0 1.75rem;
}

.page-contact__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.page-contact__hero-actions .btn--gold,
.page-contact__hero-actions .btn--ghost {
  min-width: 10rem;
  text-align: center;
}

.page-contact__hero-visual {
  position: relative;
  z-index: 1;
}

.page-contact__hero-img {
  position: relative;
  margin: 0;
  aspect-ratio: 8 / 5;
  border-radius: 22px 4px 22px 4px;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.35);
  box-shadow: 0 2rem 3rem rgba(0, 0, 0, 0.35);
  transform: rotate(1.2deg) skewX(-1.5deg);
  background: #101020;
}

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

.page-contact__hero-img figcaption {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  background: rgba(15, 15, 26, 0.72);
  color: var(--color-text);
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border-left: 2px solid var(--color-accent);
  border-radius: 2px;
}

.page-contact__hero-caption {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--color-muted);
  text-align: right;
}

/* ===== 联系方式区 ===== */
.page-contact__channels {
  position: relative;
  padding: 5rem 0 6rem;
  background: linear-gradient(180deg, var(--color-bg-dark) 0%, #121226 100%);
}

.page-contact__channels-heading {
  margin-bottom: 2.5rem;
}

.page-contact__channels-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  color: #fff;
  margin: 0.4rem 0 0.9rem;
  letter-spacing: 0.01em;
}

.page-contact__channels-intro {
  max-width: 46rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin: 0;
}

.page-contact__channels-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-contact__primary-card {
  position: relative;
  z-index: 2;
  background:
    linear-gradient(135deg, rgba(212, 175, 55, 0.09), transparent 42%),
    linear-gradient(170deg, var(--contact-card-bg), var(--contact-card-bg-2));
  border: 1px solid rgba(212, 175, 55, 0.38);
  border-radius: 20px 4px 20px 4px;
  padding: clamp(1.6rem, 4vw, 3rem);
  box-shadow: 0 2rem 4rem rgba(0, 0, 0, 0.36);
  overflow: hidden;
}

.page-contact__primary-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--color-accent) 0 48%, transparent 50%);
  opacity: 0.9;
}

.page-contact__primary-tag {
  position: relative;
  margin-bottom: 1.75rem;
}

.page-contact__channel-block + .page-contact__channel-block {
  margin-top: 2.25rem;
  border-top: 1px dashed var(--color-border);
  padding-top: 2rem;
}

.page-contact__channel-block h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #fff;
  margin: 0 0 0.75rem;
  letter-spacing: 0.02em;
}

.page-contact__email-line,
.page-contact__phone-line {
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 600;
  color: var(--color-accent);
  margin: 0.4rem 0 0.25rem;
  letter-spacing: 0.02em;
  word-break: break-all;
}

.page-contact__email-line--alt {
  font-size: 1.05rem;
  color: var(--color-highlight);
}

.page-contact__phone-line--local {
  font-size: 1.05rem;
  color: var(--color-text);
}

.page-contact__muted-text {
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 0.4rem 0 0;
}

.page-contact__address-card {
  position: relative;
  z-index: 2;
  background: #111124;
  border: 1px solid var(--color-border);
  border-radius: 4px 18px 4px 18px;
  padding: 1.75rem;
  box-shadow: 0 1.25rem 2.5rem rgba(0, 0, 0, 0.3);
}

.page-contact__address-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: #fff;
  margin: 0 0 0.75rem;
}

.page-contact__address-line {
  font-size: 1.08rem;
  line-height: 1.6;
  color: var(--color-text);
  border-left: 3px solid var(--color-secondary);
  padding-left: 0.875rem;
  margin: 0.75rem 0 1rem;
}

.page-contact__copy-btn {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--color-accent);
  background: transparent;
  border: 1px solid var(--color-accent);
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.page-contact__copy-btn:hover,
.page-contact__copy-btn:focus-visible {
  background: var(--color-accent);
  color: var(--color-primary);
  outline: none;
}

.page-contact__copy-hint {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.page-contact__landmark {
  position: absolute;
  z-index: 0;
  right: -1.5rem;
  bottom: 1rem;
  width: 46%;
  max-width: 480px;
  color: rgba(139, 0, 0, 0.4);
  pointer-events: none;
  opacity: 0.65;
}

.page-contact__landmark svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact__bg-img {
  position: absolute;
  z-index: 0;
  right: -4rem;
  bottom: -5rem;
  width: 65%;
  min-width: 320px;
  opacity: 0.18;
  transform: rotate(-2.5deg);
  border-radius: 16px 3px 16px 3px;
  filter: saturate(0.8);
  pointer-events: none;
}

/* ===== 表单区 ===== */
.page-contact__form-section {
  background:
    linear-gradient(140deg, rgba(212, 175, 55, 0.06), transparent 42%),
    #10101f;
  padding: 5rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.page-contact__form-container {
  background: rgba(10, 10, 20, 0.55);
  border: 1px solid var(--color-border);
  border-radius: 18px 4px 18px 4px;
  padding: clamp(1.5rem, 4vw, 3.25rem);
  box-shadow: 0 1.5rem 3rem rgba(0, 0, 0, 0.25);
}

.page-contact__form-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  color: #fff;
  margin: 0.4rem 0 0.9rem;
}

.page-contact__form-header p:not(.eyebrow) {
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 42rem;
}

.page-contact__form {
  margin-top: 2.25rem;
}

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

.page-contact__form-field {
  margin-bottom: 1.25rem;
}

.page-contact__form-field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.45rem;
  letter-spacing: 0.03em;
}

.page-contact__form-field input,
.page-contact__form-field textarea,
.page-contact__form-field select {
  width: 100%;
  background: #0c0c19;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: 4px;
  transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s, transform 0.2s;
}

.page-contact__form-field select {
  -webkit-appearance: none;
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--color-accent) 50%),
    linear-gradient(135deg, var(--color-accent) 50%, transparent 50%);
  background-position:
    calc(100% - 20px) 50%,
    calc(100% - 14px) 50%;
  background-repeat: no-repeat;
  background-size: 6px 6px, 6px 6px;
}

.page-contact__form-field input::placeholder,
.page-contact__form-field textarea::placeholder {
  color: #6a6a80;
}

.page-contact__form-field input:focus,
.page-contact__form-field textarea:focus,
.page-contact__form-field select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.16);
  background-color: #12122a;
  transform: translateY(-1px);
}

.page-contact__form-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-contact__form-note {
  font-size: 0.85rem;
  color: var(--color-muted);
  max-width: 22rem;
  margin: 0;
}

/* ===== 延伸导航 ===== */
.page-contact__links {
  padding: 5rem 0;
  background: var(--color-bg-dark);
}

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

.page-contact__link-card {
  display: block;
  background: linear-gradient(150deg, rgba(212, 175, 55, 0.07), transparent 48%), #141429;
  border: 1px solid var(--color-border);
  border-radius: 8px 2px 8px 2px;
  padding: 1.8rem 1.6rem;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color 0.22s, background 0.22s, transform 0.22s;
}

.page-contact__link-card:hover,
.page-contact__link-card:focus-visible {
  border-color: var(--color-accent);
  background: linear-gradient(150deg, rgba(212, 175, 55, 0.16), transparent 52%), #1a1a34;
  transform: translateY(-3px);
}

.page-contact__link-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #fff;
  margin: 0 0 0.5rem;
}

.page-contact__link-card p {
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0 0 0.9rem;
}

.page-contact__link-more {
  display: inline-block;
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.page-contact__link-card:hover .page-contact__link-more,
.page-contact__link-card:focus-visible .page-contact__link-more {
  border-color: var(--color-accent);
}

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .page-contact__hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
  }

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

  .page-contact__links-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact__bg-img {
    width: 52%;
    right: -4rem;
    bottom: -5rem;
  }
}

@media (min-width: 1024px) {
  .page-contact__channels-inner {
    grid-template-columns: repeat(12, 1fr);
    align-items: start;
    gap: 1.75rem;
  }

  .page-contact__primary-card {
    grid-column: 1 / 10;
  }

  .page-contact__address-card {
    grid-column: 10 / 13;
    margin-top: 3.25rem;
  }

  .page-contact__bg-img {
    width: 44%;
    right: -5rem;
    bottom: -6rem;
    opacity: 0.15;
  }
}