/* ===== 页面专属：联系我们 ===== */
.page-contact {
  --contact-glow-purple: 0 0 16px rgba(138,43,226,0.35);
  --contact-glow-green: 0 0 14px rgba(57,255,20,0.30);
  --contact-card-radius: 16px;
  --contact-hero-min-height: 320px;
  --contact-grid-gap: 28px;
  --contact-font-pixel: 'Courier New','Press Start 2P',monospace;
  --contact-font-body: 'Courier New','Noto Sans SC',system-ui,sans-serif;
  --contact-breadcrumb-color: #A0B0D0;
  --contact-breadcrumb-sep-color: #8A2BE2;
  --contact-breadcrumb-current-color: #39FF14;
  --contact-card-bg: #121E3A;
  --contact-card-border: #2A3A6A;
  --contact-card-hover-border: #8A2BE2;
  --contact-label-color: #A0B0D0;
  --contact-value-color: #E0E6FF;
  --contact-link-mail-color: #8A2BE2;
  --contact-link-phone-color: #39FF14;
  --contact-address-color: #E0E6FF;
  --contact-note-color: #7A8AAA;
  --contact-pledge-bg: #0D1A30;
  --contact-pledge-border-color: #8A2BE2;
  --contact-pledge-text-color: #C0D0F0;
  --contact-hero-overlay-start: rgba(10,36,99,0.72);
  --contact-hero-overlay-end: rgba(10,36,99,0.88);
  --contact-icon-bg: #0D1A30;
  --contact-icon-border: #8A2BE2;
  --contact-card-shadow: 0 6px 28px rgba(0,0,0,0.55);
  --contact-internal-gap: 18px;

  /* 移动端优先基值 */
  --contact-card-padding: 20px;
  --contact-hero-title-size: 1.8rem;
  --contact-hero-sub-size: 0.95rem;
  --contact-grid-columns: 1fr;
  --contact-card-icon-size: 72px;
  --contact-breadcrumb-font-size: 0.75rem;
  --contact-internal-btn-font: 0.8rem;
}

/* ========== 面包屑 ========== */
.contact-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px 0;
  font-family: var(--contact-font-pixel);
  font-size: var(--contact-breadcrumb-font-size);
  color: var(--contact-breadcrumb-color);
  letter-spacing: 0.5px;
  max-width: var(--max-content-width, 1200px);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.contact-breadcrumb-link {
  color: var(--contact-breadcrumb-color);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s ease);
  padding: 2px 4px;
  border-radius: 4px;
}

.contact-breadcrumb-link:hover,
.contact-breadcrumb-link:focus-visible {
  color: var(--color-hover-state, #B366FF);
  outline: 2px solid var(--color-accent-purple, #8A2BE2);
  outline-offset: 2px;
}

.contact-breadcrumb-sep {
  color: var(--contact-breadcrumb-sep-color);
  font-size: 0.6rem;
  opacity: 0.7;
}

.contact-breadcrumb-current {
  color: var(--contact-breadcrumb-current-color);
  text-shadow: 0 0 8px rgba(57,255,20,0.25);
  font-weight: 700;
}

/* ========== 首屏 ========== */
.contact-hero {
  position: relative;
  min-height: var(--contact-hero-min-height);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px 36px;
  overflow: hidden;
  max-width: var(--max-content-width, 1200px);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.contact-hero-graphic {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: var(--radius-lg, 24px);
  overflow: hidden;
}

.contact-hero-map {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
  max-width: 100%;
  height: auto;
  min-height: var(--contact-hero-min-height);
}

.contact-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, var(--contact-hero-overlay-start), var(--contact-hero-overlay-end));
  z-index: 1;
}

.contact-hero-title,
.contact-hero-sub,
.contact-hero-divider {
  position: relative;
  z-index: 2;
  text-align: center;
}

.contact-hero-title {
  font-family: var(--contact-font-pixel);
  font-size: var(--contact-hero-title-size);
  color: var(--color-text-primary, #E0E6FF);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin: 0 0 12px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.6);
  line-height: 1.2;
}

.glow-green {
  color: var(--color-accent-green, #39FF14);
  text-shadow: 0 0 12px rgba(57,255,20,0.45);
}

.contact-hero-sub {
  font-family: var(--contact-font-body);
  font-size: var(--contact-hero-sub-size);
  color: var(--color-text-secondary, #A0B0D0);
  margin: 0 0 18px;
  max-width: 520px;
  line-height: 1.6;
}

.contact-hero-divider {
  width: 80px;
  height: 3px;
  background: var(--color-accent-purple, #8A2BE2);
  border-radius: 9999px;
  box-shadow: var(--contact-glow-purple);
}

/* ========== 联系方式卡片网格 ========== */
.contact-grid {
  display: grid;
  grid-template-columns: var(--contact-grid-columns);
  gap: var(--contact-grid-gap);
  padding: 0 20px 32px;
  max-width: var(--max-content-width, 1200px);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

/* ========== 单张卡片 ========== */
.contact-card {
  background: var(--contact-card-bg);
  border: 1px solid var(--contact-card-border);
  border-radius: var(--contact-card-radius);
  padding: var(--contact-card-padding);
  box-shadow: var(--contact-card-shadow);
  transition: border-color var(--transition-smooth, 0.35s cubic-bezier(0.4,0,0.2,1)),
              box-shadow var(--transition-smooth, 0.35s cubic-bezier(0.4,0,0.2,1));
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-card:hover {
  border-color: var(--contact-card-hover-border);
  box-shadow: var(--contact-card-shadow), var(--contact-glow-purple);
}

.contact-card-icon {
  width: var(--contact-card-icon-size);
  height: var(--contact-card-icon-size);
  background: var(--contact-icon-bg);
  border: 1.5px solid var(--contact-icon-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.contact-card-icon-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  max-width: 100%;
  height: auto;
  display: block;
}

.contact-card-icon-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.contact-card-heading {
  font-family: var(--contact-font-pixel);
  font-size: 1.25rem;
  color: var(--color-text-primary, #E0E6FF);
  margin: 0;
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.3;
}

.contact-card-desc {
  font-family: var(--contact-font-body);
  font-size: 0.9rem;
  color: var(--color-text-secondary, #A0B0D0);
  margin: 0;
  line-height: 1.6;
  max-width: 480px;
}

.contact-card-details {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-card-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-card-label {
  font-family: var(--contact-font-pixel);
  font-size: 0.7rem;
  color: var(--contact-label-color);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.contact-card-value {
  font-family: var(--contact-font-body);
  font-size: 1rem;
  color: var(--contact-value-color);
  word-break: break-all;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: inherit;
  padding: 4px 0;
  border-bottom: 1.5px solid transparent;
  transition: border-color var(--transition-fast, 0.2s ease),
              color var(--transition-fast, 0.2s ease);
}

.contact-link-icon {
  font-size: 1.1rem;
  line-height: 1;
}

.contact-link--mail {
  color: var(--contact-link-mail-color);
}

.contact-link--mail:hover,
.contact-link--mail:focus-visible {
  border-bottom-color: var(--color-accent-purple, #8A2BE2);
  text-shadow: 0 0 10px rgba(138,43,226,0.3);
  outline: none;
}

.contact-link--phone {
  color: var(--contact-link-phone-color);
}

.contact-link--phone:hover,
.contact-link--phone:focus-visible {
  border-bottom-color: var(--color-accent-green, #39FF14);
  text-shadow: 0 0 10px rgba(57,255,20,0.3);
  outline: none;
}

.contact-link:focus-visible {
  outline: 2px solid var(--color-accent-purple, #8A2BE2);
  outline-offset: 3px;
  border-radius: 4px;
}

.contact-address {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--contact-address-color);
  word-break: break-word;
}

.contact-address-icon {
  color: var(--color-accent-purple, #8A2BE2);
  font-size: 1.15rem;
  flex-shrink: 0;
}

.contact-card-note {
  font-family: var(--contact-font-body);
  font-size: 0.8rem;
  color: var(--contact-note-color);
  margin: 4px 0 0;
  line-height: 1.5;
  border-top: 1px solid var(--color-divider, #2A3A6A);
  padding-top: 12px;
}

.contact-card-note--subtle {
  color: var(--contact-note-color);
  font-style: italic;
  border-top-color: transparent;
  padding-top: 0;
  font-size: 0.75rem;
  opacity: 0.8;
}

/* ========== 响应承诺条 ========== */
.contact-pledge {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 20px 28px;
  max-width: var(--max-content-width, 1200px);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.contact-pledge-border {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--contact-pledge-border-color), transparent);
  border-radius: 9999px;
}

.contact-pledge-text {
  font-family: var(--contact-font-body);
  font-size: 0.9rem;
  color: var(--contact-pledge-text-color);
  text-align: center;
  margin: 0;
  flex-shrink: 0;
  max-width: 440px;
  line-height: 1.6;
  letter-spacing: 0.3px;
}

/* ========== 内部链接导航 ========== */
.contact-internal-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--contact-internal-gap);
  padding: 8px 20px 48px;
  max-width: var(--max-content-width, 1200px);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.capsule-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--contact-font-pixel);
  font-size: var(--contact-internal-btn-font);
  letter-spacing: 0.8px;
  padding: 10px 24px;
  border-radius: 9999px;
  text-decoration: none;
  transition: background var(--transition-fast, 0.2s ease),
              color var(--transition-fast, 0.2s ease),
              box-shadow var(--transition-fast, 0.2s ease),
              border-color var(--transition-fast, 0.2s ease);
  cursor: pointer;
  border: 2px solid transparent;
  text-transform: uppercase;
}

.capsule-btn--outline {
  background: transparent;
  color: var(--color-accent-purple, #8A2BE2);
  border-color: var(--color-accent-purple, #8A2BE2);
}

.capsule-btn--outline:hover,
.capsule-btn--outline:focus-visible {
  background: rgba(138,43,226,0.12);
  box-shadow: var(--contact-glow-purple);
  color: var(--color-hover-state, #B366FF);
  border-color: var(--color-hover-state, #B366FF);
}

.capsule-btn--solid {
  background: var(--color-accent-purple, #8A2BE2);
  color: #fff;
  border-color: var(--color-accent-purple, #8A2BE2);
}

.capsule-btn--solid:hover,
.capsule-btn--solid:focus-visible {
  background: var(--color-hover-state, #B366FF);
  border-color: var(--color-hover-state, #B366FF);
  box-shadow: var(--contact-glow-purple);
  color: #fff;
}

.capsule-btn:focus-visible {
  outline: 2px solid var(--color-accent-green, #39FF14);
  outline-offset: 4px;
}

/* ========== 桌面端 (≥768px) ========== */
@media (min-width: 768px) {
  .page-contact {
    --contact-hero-title-size: 2.4rem;
    --contact-hero-sub-size: 1.05rem;
    --contact-card-padding: 28px 30px 30px;
    --contact-card-icon-size: 84px;
    --contact-grid-columns: 1fr 1fr;
    --contact-breadcrumb-font-size: 0.8rem;
    --contact-internal-btn-font: 0.85rem;
    --contact-hero-min-height: 380px;
  }

  .contact-breadcrumb {
    padding: 20px 32px 0;
  }

  .contact-hero {
    padding: 56px 40px 44px;
    border-radius: var(--radius-lg, 24px);
  }

  .contact-hero-title {
    letter-spacing: 3px;
  }

  .contact-hero-sub {
    max-width: 580px;
  }

  .contact-grid {
    padding: 0 32px 40px;
    gap: 30px;
  }

  /* 第三张卡片跨列 */
  .contact-card:last-child {
    grid-column: 1 / -1;
    max-width: 640px;
    justify-self: center;
    width: 100%;
  }

  .contact-card {
    gap: 18px;
  }

  .contact-card-row {
    flex-direction: row;
    align-items: baseline;
    gap: 12px;
  }

  .contact-card-label {
    min-width: 60px;
    font-size: 0.72rem;
  }

  .contact-card-value {
    font-size: 1.05rem;
  }

  .contact-pledge {
    padding: 24px 32px 32px;
  }

  .contact-pledge-text {
    font-size: 1rem;
  }

  .contact-internal-links {
    padding: 12px 32px 56px;
    gap: 22px;
  }
}

/* ========== 大桌面端 (≥1024px) ========== */
@media (min-width: 1024px) {
  .page-contact {
    --contact-hero-title-size: 2.8rem;
    --contact-hero-sub-size: 1.15rem;
    --contact-grid-columns: 1fr 1fr 1fr;
    --contact-hero-min-height: 420px;
    --contact-card-padding: 30px 32px 32px;
    --contact-card-icon-size: 90px;
    --contact-grid-gap: 32px;
    --contact-breadcrumb-font-size: 0.85rem;
    --contact-internal-btn-font: 0.9rem;
  }

  .contact-breadcrumb {
    padding: 24px 40px 0;
  }

  .contact-hero {
    padding: 64px 40px 48px;
    min-height: var(--contact-hero-min-height);
  }

  .contact-hero-title {
    letter-spacing: 4px;
  }

  .contact-hero-divider {
    width: 100px;
    height: 4px;
  }

  .contact-grid {
    padding: 0 40px 48px;
    gap: var(--contact-grid-gap);
  }

  /* 大桌面每张卡片各占一列，取消特殊跨列 */
  .contact-card:last-child {
    grid-column: auto;
    max-width: none;
    justify-self: auto;
  }

  .contact-card {
    gap: 20px;
  }

  .contact-card-heading {
    font-size: 1.35rem;
  }

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

  .contact-card-label {
    min-width: 64px;
    font-size: 0.75rem;
  }

  .contact-card-value {
    font-size: 1.1rem;
  }

  .contact-link-icon {
    font-size: 1.2rem;
  }

  .contact-pledge {
    padding: 28px 40px 36px;
    gap: 28px;
  }

  .contact-pledge-text {
    font-size: 1.05rem;
    max-width: 520px;
  }

  .contact-internal-links {
    padding: 16px 40px 64px;
    gap: 28px;
  }
}

/* ========== 超大桌面 (≥1280px) ========== */
@media (min-width: 1280px) {
  .page-contact {
    --contact-hero-title-size: 3.2rem;
    --contact-hero-min-height: 480px;
    --contact-card-padding: 36px 36px 36px;
    --contact-card-icon-size: 96px;
    --contact-grid-gap: 36px;
  }

  .contact-hero {
    padding: 72px 48px 52px;
  }

  .contact-grid {
    padding: 0 48px 52px;
  }

  .contact-pledge {
    padding: 32px 48px 40px;
  }

  .contact-internal-links {
    padding: 20px 48px 72px;
  }
}

/* ========== 确保地图图片响应式 ========== */
.contact-hero-map {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  object-position: center 30%;
}

@media (max-aspect-ratio: 4/3) {
  .contact-hero-map {
    object-position: center 20%;
  }
}

/* ========== 可访问性焦点样式 ========== */
.contact-card:focus-within {
  border-color: var(--color-accent-green, #39FF14);
  box-shadow: var(--contact-card-shadow), var(--contact-glow-green);
}

/* ========== 印刷优化 ========== */
@media print {
  .page-contact {
    --contact-card-bg: #f4f4f8;
    --contact-card-border: #ccc;
    --contact-value-color: #222;
    --contact-label-color: #555;
    --contact-note-color: #777;
    --contact-address-color: #222;
    --contact-pledge-text-color: #444;
    --contact-hero-overlay-start: rgba(240,240,250,0.85);
    --contact-hero-overlay-end: rgba(240,240,250,0.92);
    --color-text-primary: #111;
    --color-text-secondary: #444;
  }

  .contact-hero-graphic {
    display: none;
  }

  .contact-card {
    box-shadow: none;
    border: 1px solid #aaa;
    break-inside: avoid;
  }

  .contact-link {
    color: #222;
    border-bottom: 1px solid #888;
  }

  .glow-green {
    color: #2a7d0a;
    text-shadow: none;
  }

  .contact-pledge-border {
    background: #aaa;
  }
}