/* ===== page-contact 专属样式 ===== */
.page-contact {
  --contact-grid-gap: 1.5rem;
  --contact-card-radius: 1rem;
  --contact-border-glow: 0 0 0.75rem rgba(57, 255, 20, 0.15);
  --contact-hero-min-height: 60vh;
  position: relative;
  background-color: var(--color-bg-primary, #0B1D3A);
  /* 动态网格背景 */
  background-image:
    linear-gradient(rgba(57, 255, 20, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 20, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center center;
  color: var(--color-text-primary, #F5F5F5);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.5rem 0;
  font-family: Inter, sans-serif;
  font-size: 0.85rem;
  color: var(--color-text-secondary, #8892B0);
}
.page-contact .breadcrumb a {
  color: var(--color-accent-green, #39FF14);
  text-decoration: none;
  transition: color 0.25s;
}
.page-contact .breadcrumb a:hover {
  color: var(--color-accent-orange, #FF6F00);
}
.page-contact .breadcrumb span[aria-current="page"] {
  color: var(--color-text-primary, #F5F5F5);
  font-weight: 600;
}

/* ---------- Hero 区 ---------- */
.page-contact .contact-hero {
  position: relative;
  min-height: var(--contact-hero-min-height);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 2rem 1.5rem;
}
.page-contact .hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.18;
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 0;
}
.page-contact .hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}
.page-contact .hero-deco-mono {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(2.5rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(57, 255, 20, 0.08);
  line-height: 1;
  margin-bottom: -0.3em;
  user-select: none;
  pointer-events: none;
}
.page-contact .section-title {
  font-family: Anton, sans-serif;
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 700;
  line-height: 1.05;
  margin: 0 0 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-text-primary, #F5F5F5);
  text-shadow: 0 0 2rem rgba(57, 255, 20, 0.25);
}
.page-contact .hero-sub {
  font-family: Inter, sans-serif;
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: var(--color-accent-green, #39FF14);
  letter-spacing: 0.04em;
  margin: 0;
  opacity: 0.9;
  font-weight: 400;
}

/* ---------- 通用节标题 ---------- */
.page-contact .section-subtitle {
  font-family: Anton, sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  margin: 0 0 1.5rem;
  color: var(--color-text-primary, #F5F5F5);
  letter-spacing: 0.02em;
  position: relative;
  display: inline-block;
}
.page-contact .section-subtitle::after {
  content: "";
  display: block;
  width: 60%;
  height: 3px;
  background: var(--color-accent-green, #39FF14);
  margin-top: 0.4rem;
  border-radius: 2px;
}

/* ---------- 联系方式卡片区 ---------- */
.page-contact .contact-cards-section {
  padding: 2.5rem 1.5rem 3rem;
}
.page-contact .container {
  max-width: 1280px;
  margin: 0 auto;
}
.page-contact .contact-grid {
  display: grid;
  gap: var(--contact-grid-gap);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 数据卡片 ---------- */
.page-contact .contact-card {
  --card-pad: 1.75rem;
  background: var(--color-bg-card, #0A192F);
  border: 1px solid var(--color-border-green, rgba(57, 255, 20, 0.3));
  border-radius: var(--contact-card-radius);
  padding: var(--card-pad);
  box-shadow: var(--contact-border-glow);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.35s,
              box-shadow 0.35s;
  will-change: transform;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  cursor: default;
  position: relative;
}
.page-contact .contact-card:hover {
  transform: scale(1.04);
  border-color: var(--color-accent-green, #39FF14);
  box-shadow: 0 0 1.5rem rgba(57, 255, 20, 0.25);
}
/* 邮箱卡片额外突出 */
.page-contact .card-email {
  border-color: var(--color-accent-green, #39FF14);
  box-shadow: 0 0 1rem rgba(57, 255, 20, 0.12), inset 0 0 1rem rgba(57, 255, 20, 0.03);
}
.page-contact .card-email:hover {
  transform: scale(1.06);
  box-shadow: 0 0 2.5rem rgba(57, 255, 20, 0.3);
}
.page-contact .card-icon {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
  margin-bottom: 0.75rem;
  opacity: 0.85;
  filter: drop-shadow(0 0 4px rgba(57, 255, 20, 0.3));
}
@media (min-width: 768px) {
  .page-contact .card-icon {
    width: 3rem;
    height: 3rem;
  }
}
.page-contact .card-title {
  font-family: Anton, sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  color: var(--color-text-primary, #F5F5F5);
  letter-spacing: 0.03em;
}
.page-contact .card-value {
  font-family: Inter, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  margin: 0 0 0.5rem;
  word-break: break-all;
  color: var(--color-text-primary, #F5F5F5);
}
.page-contact .card-value.mono {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--color-accent-green, #39FF14);
}
.page-contact .card-hint {
  font-family: Inter, sans-serif;
  font-size: 0.8rem;
  color: var(--color-text-secondary, #8892B0);
  margin: 0;
  margin-top: auto;
  border-top: 1px solid rgba(57, 255, 20, 0.08);
  padding-top: 0.6rem;
  width: 100%;
}
/* 带 data-copy 的卡片提示可点击 */
.page-contact .contact-card[data-copy] {
  cursor: pointer;
}
.page-contact .contact-card[data-copy] .card-hint::before {
  content: "📋 ";
  font-size: 0.75rem;
}
.page-contact .contact-card[data-copy]:hover .card-hint {
  color: var(--color-accent-orange, #FF6F00);
}

/* ---------- 注意事项区 ---------- */
.page-contact .contact-notes {
  padding: 0 1.5rem 4rem;
}
.page-contact .notes-grid {
  display: grid;
  gap: var(--contact-grid-gap);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .page-contact .notes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.page-contact .note-item {
  background: rgba(17, 34, 64, 0.6);
  border-left: 3px solid var(--color-accent-orange, #FF6F00);
  border-radius: 0.5rem;
  padding: 1.5rem 1.75rem;
  backdrop-filter: blur(2px);
  transition: background 0.3s;
}
.page-contact .note-item:hover {
  background: rgba(17, 34, 64, 0.85);
}
.page-contact .note-title {
  font-family: Anton, sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--color-accent-orange, #FF6F00);
  letter-spacing: 0.02em;
}
.page-contact .note-text {
  font-family: Inter, sans-serif;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-secondary, #8892B0);
  margin: 0 0 0.4rem;
}
.page-contact .note-text strong {
  color: var(--color-accent-green, #39FF14);
  font-weight: 600;
}
.page-contact .note-links {
  font-family: Inter, sans-serif;
  font-size: 0.9rem;
  margin: 0.6rem 0 0;
}
.page-contact .note-links a {
  color: var(--color-accent-green, #39FF14);
  text-decoration: none;
  transition: color 0.25s;
}
.page-contact .note-links a:hover {
  color: var(--color-accent-orange, #FF6F00);
}

/* ---------- 响应式微调 ---------- */
@media (max-width: 480px) {
  .page-contact {
    background-size: 30px 30px;
  }
  .page-contact .contact-hero {
    min-height: 45vh;
    padding: 1.5rem 1rem;
  }
  .page-contact .contact-cards-section,
  .page-contact .contact-notes {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .page-contact .contact-card {
    --card-pad: 1.25rem;
  }
  .page-contact .note-item {
    padding: 1.25rem;
  }
}

@media (min-width: 1280px) {
  .page-contact .contact-hero {
    min-height: 50vh;
  }
  .page-contact .contact-grid {
    gap: 2rem;
  }
  .page-contact .notes-grid {
    gap: 2rem;
  }
}