/* ===== 联系页面专属样式 ===== */
.page-contact {
  --contact-gap: 2rem;
  --card-border: 3px;
  --card-radius: 0;
  --card-shadow: 0 6px 18px rgba(0,0,0,0.25);
  --form-max-w: 520px;
  --accent-red: #E63946;
  --gold: #F4A261;
  --blue-deep: #1D3557;
  --bg-card: #0F1E30;
  --text-light: #FFFFFF;
  --text-muted: rgba(255,255,255,0.7);
  --input-bg: rgba(255,255,255,0.07);
  --input-border: rgba(255,255,255,0.2);
  --input-focus: #F4A261;
  --font-headings: 'Anton','Impact','Arial Black',sans-serif;
  --font-body: 'Inter','Roboto','Helvetica Neue',sans-serif;
  --font-numbers: 'Oswald','Impact',sans-serif;
  display: block;
  background: var(--bg-card, #0A1A2E);
  color: var(--text-light);
  padding-bottom: 3rem;
}

/* 容器复用 */
.page-contact .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 1.5rem;
}
.page-contact .breadcrumb a {
  color: var(--gold);
  text-decoration: none;
  transition: color 0.2s;
}
.page-contact .breadcrumb a:hover {
  color: #fff;
}
.page-contact .breadcrumb-sep {
  color: rgba(255,255,255,0.3);
}
.page-contact .breadcrumb [aria-current="page"] {
  color: var(--text-light);
  font-weight: 600;
}

/* ---------- 首屏英雄区 ---------- */
.page-contact .contact-hero {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
  position: relative;
}
.page-contact .contact-hero__text {
  flex: 1 1 260px;
}
.page-contact .contact-hero__title {
  font-family: var(--font-headings);
  font-size: 3rem;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 0.25rem;
  color: var(--text-light);
}
.page-contact .text-gold {
  color: var(--gold);
}
.page-contact .contact-hero__subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin: 0;
  font-weight: 400;
}
.page-contact .contact-hero__line {
  width: 120px;
  height: 5px;
  background: var(--accent-red);
  margin-top: 1rem;
  flex-shrink: 0;
}

/* ---------- 网格：左信息 + 右表单 ---------- */
.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  margin-bottom: 2.5rem;
}

/* ---------- 左侧联系方式 ---------- */
.page-contact .contact-info {
  display: flex;
  flex-direction: column;
}
.page-contact .section-label {
  font-family: var(--font-headings);
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin: 0 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent-red);
  display: inline-block;
}
.page-contact .contact-info__cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-contact .contact-info__footnote {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-left: 3px solid var(--gold);
  padding-left: 1rem;
  font-style: italic;
}

/* ---------- 联系卡片（翻转交互） ---------- */
.page-contact .contact-card {
  perspective: 1000px;
  cursor: default;
}
.page-contact .contact-card__inner {
  position: relative;
  min-height: 120px;
  transform-style: preserve-3d;
  transition: transform 0.4s ease;
  border: var(--card-border) solid var(--blue-deep);
  box-shadow: var(--card-shadow);
  background: transparent;
}
.page-contact .contact-card:hover .contact-card__inner,
.page-contact .contact-card:focus-within .contact-card__inner {
  transform: rotateY(180deg);
}
.page-contact .contact-card__front,
.page-contact .contact-card__back {
  backface-visibility: hidden;
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
}
.page-contact .contact-card__front {
  z-index: 2;
}
.page-contact .contact-card__back {
  transform: rotateY(180deg);
  background: #13273E;
  border: var(--card-border) solid var(--gold);
  align-items: center;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-light);
  gap: 0.5rem;
}
.page-contact .contact-card--wide .contact-card__back {
  padding: 1rem;
}
.page-contact .contact-card__icon {
  color: var(--gold);
  margin-bottom: 0.4rem;
  line-height: 0;
}
.page-contact .contact-card__label {
  font-family: var(--font-headings);
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin: 0 0 0.25rem;
}
.page-contact .contact-card__value {
  font-family: var(--font-numbers);
  font-size: 1.4rem;
  color: var(--text-light);
  text-decoration: none;
  word-break: break-all;
  display: block;
  line-height: 1.2;
  transition: color 0.2s;
}
.page-contact .contact-card__value:hover {
  color: var(--gold);
}
.page-contact .contact-card__value--sm {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
}
.page-contact .contact-card__note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0.35rem 0 0;
}
.page-contact .contact-card__map {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 2px solid var(--gold);
  display: block;
}

/* ---------- 右侧表单区 ---------- */
.page-contact .contact-form-section {
  display: flex;
  flex-direction: column;
}
.page-contact .form-card {
  background: rgba(255,255,255,0.03);
  border: var(--card-border) solid var(--blue-deep);
  box-shadow: var(--card-shadow);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: var(--form-max-w);
  width: 100%;
}
.page-contact .form-card__intro {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0;
}
.page-contact .form-card__fields {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-contact .form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.page-contact .form-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
}
.page-contact .form-input {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 0;
  padding: 0.65rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-light);
  transition: border-color 0.25s, box-shadow 0.25s;
  outline: none;
  width: 100%;
  box-sizing: border-box;
}
.page-contact .form-input::placeholder {
  color: rgba(255,255,255,0.3);
}
.page-contact .form-input:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 2px rgba(244,162,97,0.25);
}
.page-contact textarea.form-input {
  resize: vertical;
  min-height: 100px;
}
.page-contact .form-field--action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.25rem;
}
.page-contact .form-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
}
.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.6rem;
  font-family: var(--font-headings);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  line-height: 1.2;
}
.page-contact .btn-primary {
  background: var(--accent-red);
  color: #fff;
  box-shadow: 0 4px 12px rgba(230,57,70,0.35);
}
.page-contact .btn-primary:hover {
  transform: scale(1.04);
  box-shadow: 0 6px 18px rgba(230,57,70,0.45);
}
.page-contact .btn-primary:active {
  transform: scale(0.97);
}

/* ---------- 表单提交反馈 ---------- */
.page-contact .form-card__feedback {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  background: rgba(244,162,97,0.12);
  border-left: 4px solid var(--gold);
  color: var(--gold);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}
.page-contact .form-card__feedback[hidden] {
  display: none;
}
.page-contact .form-card__links {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.page-contact .form-card__links a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
.page-contact .form-card__links a:hover {
  color: #fff;
}

/* ---------- 信任底条 ---------- */
.page-contact .trust-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: rgba(29,53,87,0.5);
  border: 1px solid var(--blue-deep);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 1rem;
}
.page-contact .trust-banner__icon {
  color: var(--gold);
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* ===== 桌面端 ≥768px ===== */
@media (min-width: 768px) {
  .page-contact .container {
    padding: 0 2rem;
  }
  .page-contact .contact-hero__title {
    font-size: 4rem;
  }
  .page-contact .contact-hero__line {
    width: 200px;
    margin-top: 0;
  }
  .page-contact .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .page-contact .contact-info__cards {
    flex-direction: column;
  }
  .page-contact .form-card {
    padding: 2rem 1.75rem;
  }
  .page-contact .contact-card__value {
    font-size: 1.6rem;
  }
  .page-contact .contact-card__inner {
    min-height: 140px;
  }
}

/* ===== 大桌面 ≥1024px ===== */
@media (min-width: 1024px) {
  .page-contact .contact-hero__title {
    font-size: 5rem;
  }
  .page-contact .contact-grid {
    gap: 3rem;
  }
  .page-contact .form-card {
    max-width: 100%;
  }
  .page-contact .contact-card__value--sm {
    font-size: 1.05rem;
  }
}

/* ===== 窄屏微调 ===== */
@media (max-width: 480px) {
  .page-contact .container {
    padding: 0 0.9rem;
  }
  .page-contact .contact-hero__title {
    font-size: 2.2rem;
  }
  .page-contact .contact-hero__line {
    width: 80px;
  }
  .page-contact .form-field--action {
    flex-direction: column;
    align-items: stretch;
  }
  .page-contact .btn {
    width: 100%;
  }
  .page-contact .contact-card__front,
  .page-contact .contact-card__back {
    padding: 1rem 1.1rem;
  }
  .page-contact .contact-card__value {
    font-size: 1.2rem;
  }
}