/* ========== 联系入口页专属样式 ========== */

.page-contact {
  --contact-gold-line: rgba(184, 138, 68, 0.32);
  --contact-text-dim: rgba(245, 247, 250, 0.64);
  --contact-text-soft: rgba(245, 247, 250, 0.82);

  background: var(--color-primary-deep-blue);
  color: #fff;
  padding: var(--spacing-md) clamp(20px, 4vw, 48px) var(--spacing-xl);
  min-height: 70vh;
}

.page-contact > * {
  max-width: 1200px;
  margin-inline: auto;
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--contact-text-dim);
}
.page-contact .breadcrumb a {
  color: var(--color-primary-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  border-color: var(--color-primary-gold);
}
.page-contact .breadcrumb__sep {
  color: rgba(245, 247, 250, 0.28);
}

/* 章节索引 */
.page-contact .section-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--color-primary-gold);
  border: 1px solid var(--contact-gold-line);
  background: rgba(184, 138, 68, 0.06);
  padding: 6px 14px;
  margin-bottom: var(--spacing-sm);
}
.page-contact .section-index::before {
  content: "//";
  color: rgba(184, 138, 68, 0.55);
}
.page-contact .section-index--light {
  background: rgba(245, 247, 250, 0.04);
}

/* CTA 按钮 */
.page-contact .cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  background: var(--color-primary-gold);
  border: 1px solid var(--color-primary-gold);
  color: var(--color-primary-deep-blue);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.page-contact .cta-button:hover,
.page-contact .cta-button:focus-visible {
  background: transparent;
  color: var(--color-primary-gold);
}
.page-contact .cta-button--outline {
  background: transparent;
  color: var(--color-primary-gold);
}
.page-contact .cta-button--outline:hover,
.page-contact .cta-button--outline:focus-visible {
  background: var(--color-primary-gold);
  color: var(--color-primary-deep-blue);
}

/* 首屏 */
.page-contact .contact-hero {
  display: grid;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl) 0;
}
.page-contact .contact-hero__mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--color-primary-gold);
  margin-bottom: var(--spacing-sm);
}
.page-contact .contact-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4.6vw, 46px);
  line-height: 1.22;
  color: #fff;
  margin: 0 0 var(--spacing-md);
  letter-spacing: 0.02em;
  max-width: 16em;
}
.page-contact .contact-hero__lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--contact-text-soft);
  max-width: 58ch;
  margin-bottom: var(--spacing-md);
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}
.page-contact .contact-hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-contact .contact-hero__visual::before {
  content: "";
  position: absolute;
  inset: 6%;
  border: 1px solid var(--contact-gold-line);
  transform: rotate(45deg);
}
.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: 16%;
  border: 1px dashed rgba(184, 138, 68, 0.18);
  transform: rotate(45deg);
}
.page-contact .contact-hero__visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 300px;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1;
}

/* 联系渠道 */
.page-contact .contact-channels {
  padding: var(--spacing-lg) 0 var(--spacing-xl);
}
.page-contact .contact-channels__header {
  margin-bottom: var(--spacing-lg);
  max-width: 640px;
}
.page-contact .contact-channels__header h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.25;
  color: #fff;
  margin: 0 0 var(--spacing-sm);
}
.page-contact .contact-channels__header p {
  color: var(--contact-text-dim);
  font-size: 14px;
  line-height: 1.8;
}
.page-contact .contact-channels__grid {
  display: grid;
  gap: var(--spacing-md);
}

/* 联系卡片 */
.page-contact .contact-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-line-border);
  padding: var(--spacing-lg) var(--spacing-md);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}
.page-contact .contact-card::after {
  content: "";
  position: absolute;
  right: -6px;
  top: -6px;
  width: 14px;
  height: 14px;
  background: var(--color-primary-gold);
  opacity: 0.9;
}
.page-contact .contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
}
.page-contact .contact-card__icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-line-border);
  color: var(--color-primary-deep-blue);
  margin-bottom: var(--spacing-sm);
}
.page-contact .contact-card__icon svg {
  width: 24px;
  height: 24px;
}
.page-contact .contact-card__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}
.page-contact .contact-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-primary-deep-blue);
  margin: 0 0 var(--spacing-sm);
}
.page-contact .contact-card__note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-top: auto;
  padding-top: var(--spacing-xs);
}
.page-contact .contact-card--email {
  border-color: var(--color-primary-gold);
  box-shadow: 0 0 0 3px rgba(184, 138, 68, 0.22);
}
.page-contact .contact-card--email .contact-card__icon {
  border-color: var(--color-primary-gold);
  color: var(--color-primary-gold);
}
.page-contact .contact-card__phone-value {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 700;
  color: var(--color-primary-gold);
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-sm);
  word-break: keep-all;
}
.page-contact .contact-card__phone-value i {
  flex: 0 0 auto;
  width: 8px;
  height: 2px;
  background: var(--color-primary-gold);
}
.page-contact .contact-card__email-link {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.7vw, 18px);
  color: var(--color-primary-deep-blue);
  text-decoration: none;
  border-bottom: 2px solid var(--color-primary-gold);
  padding-bottom: 2px;
  word-break: break-all;
  display: inline-block;
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.page-contact .contact-card__email-link:hover,
.page-contact .contact-card__email-link:focus-visible {
  color: var(--color-accent-deep-gold);
  border-color: var(--color-accent-deep-gold);
}
.page-contact .contact-card__route {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--spacing-sm);
  padding: 8px 0;
}
.page-contact .contact-card__route span {
  width: 18px;
  height: 2px;
  background: var(--color-primary-gold);
}
.page-contact .contact-card__route i {
  width: 6px;
  height: 6px;
  border: 1px solid var(--color-primary-gold);
  transform: rotate(45deg);
}
.page-contact .contact-card__address {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

/* 反馈响应 */
.page-contact .contact-response {
  padding: var(--spacing-lg) 0;
}
.page-contact .contact-response__inner {
  background: var(--color-accent-teal);
  border: 1px solid rgba(184, 138, 68, 0.45);
  padding: clamp(24px, 5vw, 60px);
  position: relative;
}
.page-contact .contact-response__inner::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(245, 247, 250, 0.08);
  pointer-events: none;
}
.page-contact .contact-response h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 34px);
  color: #fff;
  margin: 0 0 var(--spacing-md);
}
.page-contact .contact-response__grid {
  display: grid;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}
.page-contact .status-panel {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(10, 37, 64, 0.35);
  border: 1px solid rgba(245, 247, 250, 0.12);
  padding: var(--spacing-sm) var(--spacing-md);
}
.page-contact .status-panel__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-state-ok);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.25);
}
.page-contact .status-panel__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245, 247, 250, 0.55);
  margin-bottom: 2px;
}
.page-contact .status-panel__value {
  font-size: 15px;
  font-weight: 500;
  color: #fff;
}
.page-contact .contact-response__note {
  max-width: 76ch;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(245, 247, 250, 0.76);
  border-left: 3px solid var(--color-primary-gold);
  padding-left: var(--spacing-sm);
  margin: 0;
}

/* 版本文档 */
.page-contact .contact-version {
  padding: var(--spacing-xl) 0;
}
.page-contact .contact-version__content {
  display: grid;
  gap: var(--spacing-lg);
}
.page-contact .contact-version__intro h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 34px);
  color: #fff;
  margin: 0 0 var(--spacing-sm);
}
.page-contact .contact-version__lead {
  font-size: 15px;
  line-height: 1.85;
  color: var(--contact-text-dim);
  margin-bottom: var(--spacing-md);
}
.page-contact .contact-version__intro img {
  display: block;
  width: 100%;
  max-width: 500px;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  border: 1px solid var(--contact-gold-line);
}
.page-contact .contact-version__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid rgba(184, 138, 68, 0.3);
}
.page-contact .contact-version__steps li {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid rgba(245, 247, 250, 0.08);
}
.page-contact .contact-version__steps li:first-child {
  padding-top: 0;
}
.page-contact .contact-version__steps li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .contact-version__step-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--color-primary-gold);
  padding-top: 2px;
}
.page-contact .contact-version__steps h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  color: #fff;
  margin: 0 0 6px;
}
.page-contact .contact-version__steps p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--contact-text-dim);
  margin: 0;
}

/* 导航辅助 */
.page-contact .contact-guide {
  padding: var(--spacing-lg) 0 0;
}
.page-contact .contact-guide__inner {
  background: var(--color-page-bg);
  padding: clamp(24px, 5vw, 60px);
}
.page-contact .contact-guide h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 34px);
  color: var(--color-primary-deep-blue);
  margin: 0 0 var(--spacing-xs);
}
.page-contact .contact-guide__lead {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-md);
}
.page-contact .contact-guide__grid {
  display: grid;
  gap: var(--spacing-sm);
}
.page-contact .contact-guide__item {
  position: relative;
  display: block;
  background: var(--color-card-bg);
  border: 1px solid var(--color-line-border);
  padding: var(--spacing-md);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.page-contact .contact-guide__item::after {
  content: "→";
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-primary-gold);
}
.page-contact .contact-guide__item:hover,
.page-contact .contact-guide__item:focus-visible {
  border-color: var(--color-primary-gold);
  transform: translateY(-2px);
}
.page-contact .contact-guide__item-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--color-accent-deep-gold);
  margin-bottom: 8px;
}
.page-contact .contact-guide__item h3 {
  font-family: var(--font-heading);
  font-size: 17px;
  color: var(--color-primary-deep-blue);
  margin: 0 0 8px;
}
.page-contact .contact-guide__item p:last-child {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

/* 响应式布局 */
@media (min-width: 720px) {
  .page-contact .contact-response__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .contact-guide__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: 1.35fr 0.85fr;
    align-items: center;
    min-height: 420px;
  }
  .page-contact .contact-channels__grid {
    grid-template-columns: 1fr 1.12fr 1fr;
    align-items: stretch;
  }
  .page-contact .contact-card--email {
    padding: calc(var(--spacing-lg) + 10px) var(--spacing-md);
  }
  .page-contact .contact-version__content {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-guide__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}