/* ===== 联系入口页专属样式 ===== */
.page-contact {
  --contact-gold: #FFD700;
  --contact-gold-dark: #DAA520;
  --contact-crimson: #8B0000;
  --contact-bg-dark: #2F2F2F;
  --contact-bg-darker: #1F1F1F;
  --contact-white: #FFFFFF;
  --contact-gray-light: #B0B0B0;
  --contact-gray-mid: #6B6B6B;
  --contact-teal: #004D4D;
  --contact-indigo: #4B0082;
  --contact-font-heading: 'Montserrat Black', 'Helvetica Neue', Arial, sans-serif;
  --contact-font-body: 'Open Sans', 'Noto Sans SC', sans-serif;
  --contact-font-numeric: 'Fira Code', 'Courier New', monospace;
  --contact-radius: 4px;
  --contact-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --contact-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --contact-card-min-height: 200px;
}

/* 容器 */
.page-contact__container {
  display: flex;
  flex-direction: column;
  max-width: var(--contact-max-width, 1280px);
  margin: 0 auto;
  padding: 0 16px;
  position: relative;
}

/* 左侧品牌轨道 — 桌面显示 */
.page-contact__track {
  display: none;
}

/* 面包屑导航 */
.page-contact__breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 16px 0 8px;
  font-family: var(--contact-font-body);
  font-size: 0.75rem;
  color: var(--contact-gray-light);
  letter-spacing: 0.02em;
  flex-wrap: wrap;
}

.page-contact__breadcrumb-link {
  color: var(--contact-gold-dark);
  text-decoration: none;
  transition: color var(--contact-transition);
}

.page-contact__breadcrumb-link:hover,
.page-contact__breadcrumb-link:focus-visible {
  color: var(--contact-gold);
  outline: 2px solid var(--contact-gold);
  outline-offset: 2px;
}

.page-contact__breadcrumb-sep {
  color: var(--contact-gray-mid);
  margin: 0 2px;
}

.page-contact__breadcrumb-current {
  color: var(--contact-white);
  font-weight: 500;
}

/* 页面标题 */
.page-contact__title {
  font-family: var(--contact-font-heading);
  font-size: 2rem;
  font-weight: 900;
  color: var(--contact-gold);
  margin: 8px 0 0;
  line-height: 1.15;
  letter-spacing: -0.01em;
  position: relative;
  padding-bottom: 12px;
}

.page-contact__title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 4px;
  background: linear-gradient(135deg, var(--contact-gold), var(--contact-gold-dark));
  border-radius: 2px;
}

.page-contact__subtitle {
  font-family: var(--contact-font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--contact-gray-light);
  margin: 16px 0 24px;
  max-width: 540px;
}

/* 联系卡片网格 */
.page-contact__cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

/* 单张卡片 */
.page-contact__card {
  display: flex;
  flex-direction: column;
  background: var(--contact-bg-darker);
  border: 1px solid var(--contact-gray-mid);
  border-radius: var(--contact-radius);
  padding: 20px 20px 24px;
  position: relative;
  transition: background var(--contact-transition), border-color var(--contact-transition), box-shadow var(--contact-transition);
  cursor: default;
  min-height: var(--contact-card-min-height);
  overflow: hidden;
}

/* hover 微交互：背景深灰、边框金色 */
.page-contact__card:hover,
.page-contact__card:focus-within {
  background: var(--contact-bg-dark);
  border-color: var(--contact-gold-dark);
  box-shadow: 0 0 0 1px var(--contact-gold-dark), var(--contact-shadow);
}

/* 卡片底部斜线装饰 */
.page-contact__card-accent {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, transparent 45%, var(--contact-gold-dark) 45%, var(--contact-gold-dark) 55%, transparent 55%);
  opacity: 0.12;
  pointer-events: none;
  transition: opacity var(--contact-transition);
}

.page-contact__card:hover .page-contact__card-accent,
.page-contact__card:focus-within .page-contact__card-accent {
  opacity: 0.25;
}

/* 卡片图标区 */
.page-contact__card-icon {
  flex-shrink: 0;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
}

.page-contact__card-img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.page-contact__card-svg {
  display: block;
  width: 60px;
  height: 60px;
}

/* 卡片正文 */
.page-contact__card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact__card-heading {
  font-family: var(--contact-font-heading);
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--contact-gold);
  margin: 0 0 4px;
  letter-spacing: 0.02em;
}

.page-contact__card-detail {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
}

.page-contact__card-label {
  font-family: var(--contact-font-body);
  font-size: 0.75rem;
  color: var(--contact-gray-mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.page-contact__card-value {
  font-family: var(--contact-font-body);
  font-size: 1rem;
  color: var(--contact-white);
  word-break: break-word;
  line-height: 1.5;
}

.page-contact__card-value--link {
  color: var(--contact-gold-dark);
  text-decoration: none;
  transition: color var(--contact-transition);
}

.page-contact__card-value--link:hover,
.page-contact__card-value--link:focus-visible {
  color: var(--contact-gold);
  outline: 2px solid var(--contact-gold);
  outline-offset: 2px;
}

.page-contact__card-value--phone {
  font-family: var(--contact-font-numeric);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--contact-gold-dark);
  letter-spacing: 0.04em;
  line-height: 1.3;
}

.page-contact__card-note {
  font-family: var(--contact-font-body);
  font-size: 0.8rem;
  color: var(--contact-gray-light);
  margin: 4px 0 0;
  line-height: 1.5;
}

/* 服务说明区块 */
.page-contact__service {
  background: var(--contact-bg-darker);
  border-left: 4px solid var(--contact-crimson);
  border-radius: 0 var(--contact-radius) var(--contact-radius) 0;
  padding: 20px 20px 24px;
  margin-bottom: 32px;
}

.page-contact__service-heading {
  font-family: var(--contact-font-heading);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--contact-gold);
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}

.page-contact__service-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact__service-text {
  font-family: var(--contact-font-body);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--contact-white);
  margin: 0;
}

.page-contact__service-text--muted {
  color: var(--contact-gray-light);
  font-size: 0.82rem;
}

.page-contact__service-link {
  color: var(--contact-gold-dark);
  text-decoration: none;
  transition: color var(--contact-transition);
  border-bottom: 1px solid transparent;
}

.page-contact__service-link:hover,
.page-contact__service-link:focus-visible {
  color: var(--contact-gold);
  border-bottom-color: var(--contact-gold);
  outline: 2px solid var(--contact-gold);
  outline-offset: 2px;
}

/* 底部内链导航 */
.page-contact__internal {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 0 32px;
  flex-wrap: wrap;
  border-top: 1px solid var(--contact-gray-mid);
}

.page-contact__internal-link {
  font-family: var(--contact-font-body);
  font-size: 0.85rem;
  color: var(--contact-gold-dark);
  text-decoration: none;
  transition: color var(--contact-transition);
  padding: 4px 0;
}

.page-contact__internal-link:hover,
.page-contact__internal-link:focus-visible {
  color: var(--contact-gold);
  outline: 2px solid var(--contact-gold);
  outline-offset: 2px;
}

.page-contact__internal-sep {
  color: var(--contact-gray-mid);
  font-size: 0.75rem;
  user-select: none;
}

/* ===== 桌面端布局 ===== */
@media (min-width: 768px) {
  .page-contact__container {
    flex-direction: row;
    padding: 0 32px;
    gap: 48px;
  }

  /* 左侧品牌轨道 */
  .page-contact__track {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding-top: 80px;
    flex-shrink: 0;
    width: 48px;
    position: relative;
  }

  .page-contact__track-line {
    width: 2px;
    flex: 1;
    min-height: 40px;
    background: linear-gradient(180deg, var(--contact-gold-dark), var(--contact-crimson));
    border-radius: 1px;
  }

  .page-contact__track-label {
    font-family: var(--contact-font-heading);
    font-size: 0.7rem;
    color: var(--contact-gray-light);
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.6;
    padding: 4px 0;
  }

  /* 右侧内容区 */
  .page-contact__content {
    flex: 1;
    min-width: 0;
    padding-bottom: 40px;
  }

  .page-contact__title {
    font-size: 2.8rem;
    padding-bottom: 16px;
  }

  .page-contact__title::after {
    width: 80px;
    height: 5px;
  }

  .page-contact__subtitle {
    font-size: 1.05rem;
    margin: 20px 0 32px;
  }

  /* 卡片两列网格 */
  .page-contact__cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 40px;
  }

  .page-contact__card {
    padding: 24px 24px 28px;
    min-height: 220px;
  }

  /* 地址卡片跨两列 */
  .page-contact__card--address {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: flex-start;
    gap: 20px;
  }

  .page-contact__card--address .page-contact__card-icon {
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .page-contact__card-heading {
    font-size: 1.25rem;
  }

  .page-contact__card-value--phone {
    font-size: 1.6rem;
  }

  .page-contact__service {
    padding: 24px 28px 28px;
    margin-bottom: 40px;
  }

  .page-contact__service-heading {
    font-size: 1.35rem;
  }

  .page-contact__service-text {
    font-size: 0.95rem;
  }

  .page-contact__internal {
    padding: 24px 0 0;
    gap: 12px;
  }

  .page-contact__internal-link {
    font-size: 0.9rem;
  }
}

@media (min-width: 1024px) {
  .page-contact__container {
    padding: 0 48px;
    gap: 64px;
  }

  .page-contact__track {
    width: 56px;
    padding-top: 100px;
  }

  .page-contact__title {
    font-size: 3.2rem;
  }

  .page-contact__cards {
    gap: 28px;
  }

  .page-contact__card {
    padding: 28px 28px 32px;
    min-height: 240px;
  }

  .page-contact__card--address {
    padding: 28px 32px;
  }
}

/* 极窄屏防护 */
@media (max-width: 360px) {
  .page-contact__container {
    padding: 0 8px;
  }

  .page-contact__title {
    font-size: 1.6rem;
  }

  .page-contact__card {
    padding: 16px 14px 20px;
  }

  .page-contact__card-value--phone {
    font-size: 1.2rem;
  }

  .page-contact__service {
    padding: 16px 14px 20px;
  }
}

/* 专注态：键盘导航 */
.page-contact__card:focus-visible {
  outline: 2px solid var(--contact-gold);
  outline-offset: 2px;
}

.page-contact {
  --contact-max-width: var(--max-width);
}