/* ===== 页面专属样式：联系入口 (page-contact) ===== */
.page-contact {
  --contact-number-size: clamp(2.8rem, 6vw, 5rem);
  --contact-card-bg: rgba(17, 34, 64, 0.72);
  --contact-card-border: rgba(212, 175, 55, 0.18);
  --contact-glow: 0 0 30px rgba(91, 45, 142, 0.25);
  --contact-radius: 12px;
  position: relative;
  background: var(--background, #060E1E);
  color: var(--text-primary, #E2E8F0);
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 面包屑导航 */
.page-contact .contact-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem 0;
  font-size: 0.85rem;
  color: var(--text-secondary, #94A3B8);
  flex-wrap: wrap;
  max-width: var(--content-max-width, 1280px);
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

.page-contact .contact-breadcrumb a {
  color: var(--accent, #D4AF37);
  text-decoration: none;
  transition: opacity var(--transition, 0.3s);
  font-weight: 400;
}

.page-contact .contact-breadcrumb a:hover,
.page-contact .contact-breadcrumb a:focus-visible {
  opacity: 0.75;
  outline: none;
  text-decoration: underline;
}

.page-contact .contact-breadcrumb-sep {
  font-size: 0.55rem;
  color: var(--accent, #D4AF37);
  opacity: 0.5;
}

.page-contact .contact-breadcrumb [aria-current="page"] {
  color: var(--text-secondary, #94A3B8);
  font-weight: 400;
}

/* 分屏容器 */
.page-contact .contact-split {
  display: flex;
  flex-direction: column;
  flex: 1;
  max-width: var(--content-max-width, 1280px);
  width: 100%;
  margin: 0 auto;
  padding: 1.25rem;
  box-sizing: border-box;
  gap: 2rem;
}

/* 左侧区域 */
.page-contact .contact-left {
  position: relative;
  order: 1;
  border-radius: var(--contact-radius);
  overflow: hidden;
}

.page-contact .contact-left-texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
  filter: grayscale(1) contrast(1.2);
}

.page-contact .contact-left-inner {
  position: relative;
  z-index: 1;
  padding: 1.5rem 1rem 2rem;
}

.page-contact .contact-heading {
  font-family: var(--font-heading, 'Orbitron', sans-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--text-primary, #E2E8F0);
  letter-spacing: 0.04em;
  margin: 0 0 0.25rem;
  line-height: 1.15;
}

.page-contact .contact-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  color: var(--text-secondary, #94A3B8);
  margin: 0 0 2rem;
  font-weight: 300;
  letter-spacing: 0.02em;
  border-left: 3px solid var(--accent, #D4AF37);
  padding-left: 1rem;
}

/* 联系方式列表 */
.page-contact .contact-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* 每个联系项卡片 */
.page-contact .contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--contact-card-bg);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--contact-card-border);
  border-radius: var(--contact-radius);
  padding: 1.25rem 1.25rem 1.25rem 1rem;
  transition: transform var(--transition, 0.3s), box-shadow var(--transition, 0.3s), border-color var(--transition, 0.3s);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  position: relative;
}

.page-contact .contact-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--contact-glow), 0 8px 32px rgba(0, 0, 0, 0.35);
  border-color: rgba(212, 175, 55, 0.4);
}

.page-contact .contact-item:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--contact-glow), 0 8px 32px rgba(0, 0, 0, 0.35);
  border-color: rgba(212, 175, 55, 0.5);
}

/* 编号数字 */
.page-contact .contact-item-number {
  font-family: var(--font-heading, 'Orbitron', sans-serif);
  font-size: var(--contact-number-size);
  font-weight: 900;
  line-height: 1;
  color: var(--accent, #D4AF37);
  opacity: 0.7;
  flex-shrink: 0;
  min-width: 1.8em;
  text-align: left;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #D4AF37 30%, #5B2D8E 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 卡片正文 */
.page-contact .contact-item-body {
  flex: 1;
  min-width: 0;
}

.page-contact .contact-item-title {
  font-family: var(--font-heading, 'Orbitron', sans-serif);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--text-primary, #E2E8F0);
  margin: 0 0 0.4rem;
  letter-spacing: 0.03em;
}

.page-contact .contact-item-desc {
  font-size: clamp(0.9rem, 1.6vw, 1.05rem);
  color: var(--text-primary, #E2E8F0);
  margin: 0 0 0.25rem;
  line-height: 1.6;
  word-break: break-word;
}

.page-contact .contact-item-desc:last-of-type {
  margin-bottom: 0;
}

.page-contact .contact-item-note {
  font-size: 0.8rem;
  color: var(--text-secondary, #94A3B8);
  margin: 0.35rem 0 0;
  font-style: italic;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  padding-top: 0.35rem;
}

/* 联系链接 */
.page-contact .contact-link {
  color: var(--accent, #D4AF37);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition, 0.3s), opacity var(--transition, 0.3s);
  font-weight: 500;
  word-break: break-all;
}

.page-contact .contact-link:hover,
.page-contact .contact-link:focus-visible {
  border-bottom-color: var(--accent, #D4AF37);
  opacity: 0.85;
  outline: none;
}

.page-contact .contact-link-tel {
  font-family: var(--font-mono, 'Fira Code', monospace);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  letter-spacing: 0.06em;
}

/* 左侧底部信任声明 */
.page-contact .contact-left-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border, #1E3A5F);
}

.page-contact .contact-trust {
  font-size: 0.8rem;
  color: var(--text-secondary, #94A3B8);
  line-height: 1.6;
  text-align: center;
  opacity: 0.85;
  max-width: 36rem;
  margin: 0 auto;
}

/* 右侧区域 —— 星空插画 */
.page-contact .contact-right {
  order: 2;
  position: relative;
  border-radius: var(--contact-radius);
  overflow: hidden;
  min-height: 300px;
  background: var(--surface, #112240);
  box-shadow: 0 0 40px rgba(91, 45, 142, 0.15);
}

.page-contact .contact-illustration-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-contact .contact-illustration-img {
  width: 100%;
  height: auto;
  max-height: 80vh;
  object-fit: cover;
  display: block;
  border-radius: var(--contact-radius);
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 星空装饰层 —— 用 CSS 模拟星点 */
.page-contact .contact-illustration-stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(212, 175, 55, 0.6) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 30% 60%, rgba(255, 255, 255, 0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 50% 15%, rgba(212, 175, 55, 0.8) 0%, transparent 100%),
    radial-gradient(1.2px 1.2px at 70% 40%, rgba(91, 45, 142, 0.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 75%, rgba(255, 255, 255, 0.4) 0%, transparent 100%),
    radial-gradient(1.8px 1.8px at 20% 85%, rgba(212, 175, 55, 0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 92% 18%, rgba(91, 45, 142, 0.6) 0%, transparent 100%),
    radial-gradient(1.3px 1.3px at 45% 88%, rgba(255, 255, 255, 0.35) 0%, transparent 100%),
    radial-gradient(1px 1px at 5% 55%, rgba(212, 175, 55, 0.45) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 65% 10%, rgba(91, 45, 142, 0.5) 0%, transparent 100%);
  opacity: 0.7;
  animation: contact-star-twinkle 4s ease-in-out infinite alternate;
}

@keyframes contact-star-twinkle {
  0% { opacity: 0.45; }
  50% { opacity: 0.75; }
  100% { opacity: 0.55; }
}

/* 银河金辉光 */
.page-contact .contact-illustration-glint {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 70% 30%, rgba(212, 175, 55, 0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(91, 45, 142, 0.1) 0%, transparent 50%);
  mix-blend-mode: overlay;
}

/* data-reveal 渐显效果（渐进增强） */
.page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.page-contact [data-reveal][data-revealed] {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 桌面端 ≥ 1024px ===== */
@media (min-width: 1024px) {
  .page-contact .contact-breadcrumb {
    padding: 1.5rem 2rem 0;
  }

  .page-contact .contact-split {
    flex-direction: row;
    padding: 2rem;
    gap: 2.5rem;
    align-items: stretch;
  }

  .page-contact .contact-left {
    flex: 0 0 58%;
    order: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-contact .contact-left-inner {
    padding: 2.5rem 2rem 2.5rem 2.5rem;
  }

  .page-contact .contact-heading {
    font-size: 3.5rem;
  }

  .page-contact .contact-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
  }

  .page-contact .contact-list {
    gap: 1.5rem;
  }

  .page-contact .contact-item {
    padding: 1.5rem 1.75rem 1.5rem 1.5rem;
    gap: 1.25rem;
  }

  .page-contact .contact-item-number {
    font-size: 4.5rem;
    min-width: 2em;
  }

  .page-contact .contact-right {
    flex: 0 0 38%;
    order: 0;
    min-height: 600px;
  }

  .page-contact .contact-illustration-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    max-height: none;
  }

  .page-contact .contact-left-footer {
    margin-top: 2.5rem;
    padding-top: 1.25rem;
  }

  .page-contact .contact-trust {
    font-size: 0.85rem;
  }
}

/* ===== 桌面端大屏 ≥ 1280px ===== */
@media (min-width: 1280px) {
  .page-contact .contact-left-inner {
    padding: 3rem 3rem 3rem 3.5rem;
  }

  .page-contact .contact-right {
    flex: 0 0 36%;
  }

  .page-contact .contact-item {
    padding: 1.75rem 2rem 1.75rem 1.75rem;
  }

  .page-contact .contact-item-number {
    font-size: 5rem;
  }
}

/* ===== 极窄屏适配 ≤ 480px ===== */
@media (max-width: 480px) {
  .page-contact .contact-split {
    padding: 0.75rem;
    gap: 1.25rem;
  }

  .page-contact .contact-left-inner {
    padding: 1rem 0.75rem 1.5rem;
  }

  .page-contact .contact-item {
    padding: 1rem 0.75rem 1rem 0.75rem;
    flex-direction: column;
    gap: 0.5rem;
  }

  .page-contact .contact-item-number {
    font-size: 2.4rem;
    line-height: 1;
    min-width: auto;
  }

  .page-contact .contact-item-title {
    font-size: 1rem;
  }

  .page-contact .contact-item-desc {
    font-size: 0.88rem;
  }

  .page-contact .contact-right {
    min-height: 200px;
  }

  .page-contact .contact-breadcrumb {
    padding: 0.75rem 0.75rem 0;
    font-size: 0.78rem;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .page-contact {
    background: #fff;
    color: #111;
  }
  .page-contact .contact-right,
  .page-contact .contact-left-texture,
  .page-contact .contact-illustration-stars,
  .page-contact .contact-illustration-glint {
    display: none;
  }
  .page-contact .contact-item {
    break-inside: avoid;
    border: 1px solid #ccc;
    background: #f9f9f9;
    box-shadow: none;
  }
  .page-contact .contact-item-number {
    -webkit-text-fill-color: #B8860B;
    color: #B8860B;
    background: none;
  }
  .page-contact .contact-link {
    color: #1a5a9c;
  }
  .page-contact .contact-trust {
    color: #555;
  }
}

/* ===== 无障碍：减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-contact .contact-item:hover {
    transform: none;
  }
  .page-contact .contact-illustration-stars {
    animation: none;
    opacity: 0.6;
  }
}