.page-contact {
  --ct-bg-gradient: linear-gradient(145deg, #1A1A2E 0%, #16213E 100%);
  --ct-card-bg: rgba(255, 255, 255, 0.06);
  --ct-card-border: rgba(255, 255, 255, 0.15);
  --ct-card-hover-border: var(--primary, #00BFFF);
  --ct-card-glow: rgba(0, 191, 255, 0.25);
  --ct-input-border: rgba(255, 255, 255, 0.2);
  --ct-input-hover-border: var(--accent, #FF4500);
  --ct-text-muted: rgba(255, 255, 255, 0.6);
  --ct-radius: 16px;
  --ct-gap: 24px;

  background: var(--ct-bg-gradient);
  color: var(--text-light, #F0F0F0);
  padding: 48px 20px 64px;
  font-family: var(--font-body, 'Open Sans', sans-serif);
  line-height: 1.6;
  min-height: 100vh;
}

/* 容器 */
.contact-container {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
}

/* ===== 锚点导航 ===== */
.contact-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.contact-anchor {
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary, #00BFFF);
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid rgba(0, 191, 255, 0.3);
  border-radius: 20px;
  transition: background 0.25s, border-color 0.25s, color 0.25s;
}
.contact-anchor:hover,
.contact-anchor:focus-visible {
  background: var(--primary, #00BFFF);
  color: #0D0D1A;
  border-color: var(--primary, #00BFFF);
  outline: none;
}

/* ===== Hero 区 ===== */
.contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 64px;
  align-items: center;
}
.contact-hero__label {
  font-family: var(--font-mono, 'Fira Code', monospace);
  font-size: 0.8rem;
  color: var(--accent, #FF4500);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 8px;
}
.contact-hero__title {
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  line-height: 1.05;
  margin: 0 0 16px;
  color: #FFFFFF;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}
.contact-hero__desc {
  font-size: 1.05rem;
  color: var(--ct-text-muted);
  max-width: 480px;
  margin: 0 0 24px;
}
.contact-hero__cta {
  display: inline-block;
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 12px 32px;
  border-radius: var(--radius-md, 8px);
  background: var(--accent, #FF4500);
  color: #FFFFFF;
  transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
  box-shadow: 0 4px 16px rgba(255, 69, 0, 0.3);
}
.contact-hero__cta:hover,
.contact-hero__cta:focus-visible {
  background: var(--accent-dark, #DC143C);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 69, 0, 0.45);
  outline: none;
}
.contact-hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.contact-hero__img {
  max-width: 100%;
  height: auto;
  border-radius: var(--ct-radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

/* ===== 联系渠道区 ===== */
.contact-channels {
  margin-bottom: 64px;
}
.contact-channels__title {
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: #FFFFFF;
  margin: 0 0 8px;
  position: relative;
  display: inline-block;
}
.contact-channels__title::after {
  content: '';
  display: block;
  width: 60%;
  height: 4px;
  background: var(--accent, #FF4500);
  margin-top: 6px;
  border-radius: 2px;
}
.contact-channels__intro {
  color: var(--ct-text-muted);
  font-size: 0.98rem;
  margin: 0 0 32px;
  max-width: 560px;
}

/* 卡片网格 */
.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  margin-bottom: 24px;
}

/* 单个联系卡片 — 玻璃效果 */
.card--contact {
  background: var(--ct-card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--ct-card-border);
  border-radius: var(--ct-radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.25s;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}
.card--contact:hover,
.card--contact:focus-within {
  border-color: var(--ct-card-hover-border);
  box-shadow: 0 0 0 2px var(--ct-card-hover-border), 0 0 32px var(--ct-card-glow);
  transform: translateY(-4px);
}
.card__icon {
  color: var(--primary, #00BFFF);
  margin-bottom: 16px;
  transition: color 0.3s, transform 0.3s;
}
.card--contact:hover .card__icon {
  color: var(--accent, #FF4500);
  transform: scale(1.08);
}
.card__title {
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: #FFFFFF;
  margin: 0 0 8px;
}
.card__text {
  font-size: 0.92rem;
  color: var(--ct-text-muted);
  margin: 0 0 16px;
  flex: 1;
}
.card__link {
  display: inline-block;
  font-family: var(--font-mono, 'Fira Code', monospace);
  font-size: 0.95rem;
  color: var(--primary, #00BFFF);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px dashed rgba(0, 191, 255, 0.3);
  transition: color 0.25s, border-color 0.25s;
  word-break: break-all;
}
.card__link:hover,
.card__link:focus-visible {
  color: var(--accent, #FF4500);
  border-bottom-color: var(--accent, #FF4500);
  outline: none;
}
.card__link--text {
  color: var(--text-light, #F0F0F0);
  border-bottom: none;
  cursor: default;
}

/* 脚注 */
.contact-channels__footnote {
  margin-top: 16px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md, 8px);
  border-left: 4px solid var(--primary, #00BFFF);
  font-size: 0.92rem;
  color: var(--ct-text-muted);
}
.contact-channels__footnote p {
  margin: 0;
}
.contact-channels__more {
  color: var(--primary, #00BFFF);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.25s;
}
.contact-channels__more:hover {
  color: var(--accent, #FF4500);
}

/* ===== 表单占位区 ===== */
.contact-form-section {
  margin-bottom: 48px;
}
.contact-form__text {
  margin-bottom: 28px;
}
.contact-form__title {
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(1.6rem, 3.6vw, 2.2rem);
  color: #FFFFFF;
  margin: 0 0 8px;
}
.contact-form__desc {
  color: var(--ct-text-muted);
  font-size: 0.98rem;
  margin: 0;
}
.contact-form__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

/* 表单占位框架 */
.contact-form__placeholder {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--ct-radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  pointer-events: none;
  opacity: 0.9;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group__label {
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--ct-text-muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.form-group__field {
  border: 1px solid var(--ct-input-border);
  border-radius: var(--radius-sm, 4px);
  padding: 12px 14px;
  font-family: var(--font-mono, 'Fira Code', monospace);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.4);
  background: rgba(0, 0, 0, 0.2);
  transition: border-color 0.3s;
  min-height: 20px;
  line-height: 1.4;
}
.form-group__field--area {
  min-height: 72px;
}
.form-group__field[data-input-hover]:hover {
  border-color: var(--ct-input-hover-border);
}
.form-group__action {
  margin-top: 4px;
}
.btn--outline {
  display: inline-block;
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 28px;
  border-radius: var(--radius-md, 8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.5);
  background: transparent;
  cursor: default;
  letter-spacing: 0.03em;
}
.form-notice {
  font-size: 0.85rem;
  color: var(--warning, #FFD700);
  background: rgba(255, 215, 0, 0.08);
  padding: 12px 16px;
  border-radius: var(--radius-sm, 4px);
  border-left: 3px solid var(--warning, #FFD700);
  text-align: center;
}

/* 表单区视觉图 */
.contact-form__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.contact-form__img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md, 8px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

/* ===== 信任声明 ===== */
.contact-trust {
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--ct-radius);
  padding: 28px 24px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.contact-trust__text {
  font-size: 1rem;
  color: var(--ct-text-muted);
  margin: 0;
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  padding-left: 32px;
}
.contact-trust__text::before {
  content: '✦';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary, #00BFFF);
  font-size: 1.2rem;
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-contact {
    padding: 56px 28px 72px;
  }
  .contact-hero {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .contact-hero__title {
    font-size: clamp(2.8rem, 5vw, 3.8rem);
  }
  .contact-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .page-contact {
    padding: 64px 36px 80px;
  }
  .contact-hero__title {
    font-size: 4rem;
  }
  .contact-cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .contact-form__layout {
    grid-template-columns: 3fr 2fr;
    gap: 40px;
  }
  .contact-form__visual {
    justify-content: flex-start;
  }
  .contact-anchors {
    gap: 16px;
  }
  .contact-anchor {
    font-size: 0.9rem;
    padding: 8px 20px;
  }
}

@media (min-width: 1200px) {
  .contact-hero {
    gap: 60px;
  }
  .contact-hero__desc {
    font-size: 1.12rem;
  }
  .card--contact {
    padding: 32px 28px;
  }
}

/* 窄屏微调 */
@media (max-width: 400px) {
  .contact-hero__cta {
    width: 100%;
    text-align: center;
    padding: 14px 20px;
  }
  .contact-form__placeholder {
    padding: 20px 16px;
  }
  .card--contact {
    padding: 20px 16px;
  }
}