/* ========== page-contact 专属样式 ========== */
.page-contact {
  position: relative;
  min-height: 100vh;
  background: var(--bg-dark, #0a0b10);
  color: var(--text-primary, #e0e0e0);
  font-family: var(--font-body, 'Segoe UI', 'Helvetica Neue', sans-serif);
  overflow: hidden;
}

/* ---- 全屏动态背景 ---- */
.page-contact .contact-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.35;
  filter: saturate(1.2) contrast(1.1);
}

.page-contact .contact-bg-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(0, 245, 212, 0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 60%, rgba(255, 0, 110, 0.06) 0%, transparent 60%);
  z-index: 1;
}

/* ---- 内容容器 ---- */
.page-contact .container {
  position: relative;
  z-index: 2;
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

/* ---- 面包屑 ---- */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary, #888899);
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}

.page-contact .breadcrumb a {
  color: var(--primary-cyan, #00f5d4);
  text-decoration: none;
  transition: color var(--transition-speed, 0.3s);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--primary-magenta, #ff006e);
  outline: none;
}

.page-contact .breadcrumb-sep {
  color: var(--text-secondary, #888899);
  font-weight: 300;
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--text-primary, #e0e0e0);
  font-weight: 600;
}

/* ---- 标题区 ---- */
.page-contact .contact-heading {
  font-family: var(--font-heading, 'Arial Black', 'Impact', sans-serif);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 8px;
  color: var(--text-on-dark, #ffffff);
  text-shadow: 0 0 12px rgba(0, 245, 212, 0.6), 0 0 28px rgba(0, 245, 212, 0.25);
  line-height: 1.1;
}

.page-contact .contact-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary, #888899);
  margin: 0 0 36px;
  max-width: 580px;
  line-height: 1.5;
  border-left: 3px solid var(--primary-magenta, #ff006e);
  padding-left: 16px;
}

/* ---- 联系卡片网格 ---- */
.page-contact .contact-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 48px;
}

/* ---- 单个卡片 ---- */
.page-contact .contact-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 24px 22px;
  background: rgba(18, 19, 26, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 0, 110, 0.35);
  border-radius: 10px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  transition: transform var(--transition-speed, 0.3s) ease,
              border-color var(--transition-speed, 0.3s) ease,
              box-shadow var(--transition-speed, 0.3s) ease;
  cursor: default;
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--primary-magenta, #ff006e);
  box-shadow: 0 8px 36px rgba(255, 0, 110, 0.25), 0 0 0 1px rgba(255, 0, 110, 0.2);
  outline: none;
}

/* ---- 卡片图标 ---- */
.page-contact .card-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0, 245, 212, 0.08);
  border: 1px solid rgba(0, 245, 212, 0.25);
  color: var(--primary-cyan, #00f5d4);
  transition: color var(--transition-speed, 0.3s),
              background var(--transition-speed, 0.3s),
              transform var(--transition-speed, 0.3s);
}

.page-contact .contact-card:hover .card-icon,
.page-contact .contact-card:focus-visible .card-icon {
  color: var(--primary-magenta, #ff006e);
  background: rgba(255, 0, 110, 0.1);
  transform: scale(1.05) rotate(-2deg);
}

.page-contact .card-icon svg {
  width: 30px;
  height: 30px;
  display: block;
}

/* ---- 卡片内容 ---- */
.page-contact .card-body {
  flex: 1;
  min-width: 0;
}

.page-contact .card-label {
  font-family: var(--font-heading, 'Arial Black', 'Impact', sans-serif);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 6px;
  color: var(--text-secondary, #888899);
}

.page-contact .card-value {
  display: inline-block;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-on-dark, #ffffff);
  text-decoration: none;
  word-break: break-all;
  transition: color var(--transition-speed, 0.3s);
  margin-bottom: 4px;
}

.page-contact .card-value[href^="mailto"]:hover,
.page-contact .card-value[href^="tel"]:hover {
  color: var(--primary-cyan, #00f5d4);
}

.page-contact .card-note {
  font-size: 0.85rem;
  color: var(--text-secondary, #888899);
  margin: 2px 0 0;
  line-height: 1.4;
  border-top: 1px solid rgba(136, 136, 153, 0.15);
  padding-top: 6px;
}

/* ---- 联系说明区域 ---- */
.page-contact .contact-notice {
  margin-bottom: 36px;
  padding: 28px 24px;
  background: rgba(18, 19, 26, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 245, 212, 0.15);
  border-radius: 10px;
}

.page-contact .notice-heading {
  font-family: var(--font-heading, 'Arial Black', 'Impact', sans-serif);
  font-weight: 600;
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 16px;
  color: var(--primary-cyan, #00f5d4);
  text-shadow: 0 0 8px rgba(0, 245, 212, 0.35);
}

.page-contact .notice-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-contact .notice-text {
  flex: 1;
}

.page-contact .notice-text p {
  margin: 0 0 12px;
  line-height: 1.7;
  color: var(--text-primary, #e0e0e0);
}

.page-contact .notice-text p:last-child {
  margin-bottom: 0;
}

.page-contact .notice-text a {
  color: var(--primary-cyan, #00f5d4);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-speed, 0.3s);
}

.page-contact .notice-text a:hover,
.page-contact .notice-text a:focus-visible {
  color: var(--primary-magenta, #ff006e);
  outline: none;
}

.page-contact .notice-image {
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(0, 245, 212, 0.15);
  max-width: 400px;
}

.page-contact .notice-image img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.85;
  transition: opacity var(--transition-speed, 0.3s), transform var(--transition-speed, 0.3s);
}

.page-contact .notice-image img:hover {
  opacity: 1;
  transform: scale(1.01);
}

/* ---- 返回按钮 ---- */
.page-contact .back-home {
  text-align: center;
  margin-top: 12px;
}

.page-contact .back-home .btn-magenta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 36px;
  font-family: var(--font-heading, 'Arial Black', 'Impact', sans-serif);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  background: transparent;
  border: 2px solid var(--primary-magenta, #ff006e);
  border-radius: 6px;
  text-decoration: none;
  transition: background var(--transition-speed, 0.3s),
              box-shadow var(--transition-speed, 0.3s),
              transform var(--transition-speed, 0.3s);
  cursor: pointer;
}

.page-contact .back-home .btn-magenta:hover,
.page-contact .back-home .btn-magenta:focus-visible {
  background: rgba(255, 0, 110, 0.15);
  box-shadow: 0 0 24px rgba(255, 0, 110, 0.3);
  transform: translateY(-2px);
  outline: none;
}

/* ---- 卡片渐入动画 ---- */
.page-contact .contact-card {
  animation: cardFadeIn 0.6s ease both;
}

.page-contact .contact-card:nth-child(1) { animation-delay: 0.05s; }
.page-contact .contact-card:nth-child(2) { animation-delay: 0.15s; }
.page-contact .contact-card:nth-child(3) { animation-delay: 0.25s; }

@keyframes cardFadeIn {
  0% {
    opacity: 0;
    transform: translateY(18px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- 背景微动 ---- */
.page-contact .contact-bg-img {
  animation: bgSlowDrift 20s ease-in-out infinite alternate;
}

@keyframes bgSlowDrift {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.06) translate(-8px, -6px); }
}

/* ===== 响应式：平板及以上 ===== */
@media (min-width: 768px) {
  .page-contact .container {
    padding: 40px 32px 64px;
  }

  .page-contact .contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-contact .contact-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 32px 20px 28px;
  }

  .page-contact .card-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 4px;
  }

  .page-contact .card-icon svg {
    width: 34px;
    height: 34px;
  }

  .page-contact .card-body {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .page-contact .card-note {
    text-align: center;
  }

  .page-contact .contact-notice {
    padding: 36px 32px;
  }

  .page-contact .notice-content {
    flex-direction: row;
    align-items: flex-start;
    gap: 32px;
  }

  .page-contact .notice-image {
    max-width: 320px;
  }
}

/* ===== 大屏优化 ===== */
@media (min-width: 1024px) {
  .page-contact .container {
    padding: 48px 40px 80px;
  }

  .page-contact .contact-heading {
    font-size: 3.4rem;
  }

  .page-contact .contact-cards {
    gap: 28px;
  }

  .page-contact .contact-card {
    padding: 38px 24px 30px;
  }

  .page-contact .card-label {
    font-size: 1rem;
  }

  .page-contact .card-value {
    font-size: 1.2rem;
  }

  .page-contact .contact-notice {
    padding: 40px 36px;
  }

  .page-contact .notice-image {
    max-width: 360px;
  }
}

/* ===== 极窄屏安全保护 ===== */
@media (max-width: 360px) {
  .page-contact .container {
    padding-left: 14px;
    padding-right: 14px;
  }

  .page-contact .contact-card {
    padding: 18px 14px;
    gap: 12px;
  }

  .page-contact .card-icon {
    width: 44px;
    height: 44px;
  }

  .page-contact .card-icon svg {
    width: 24px;
    height: 24px;
  }

  .page-contact .card-value {
    font-size: 0.95rem;
  }
}