/* ===== 页面专属 CSS：.page-contact ===== */
.page-contact {
  --contact-bg-dark: #0a0a0a;
  --contact-bg-surface: #1a1a1a;
  --contact-red: #b22222;
  --contact-gold: #ffd700;
  --contact-text: #ffffff;
  --contact-text-secondary: #cccccc;
  --contact-border: #333333;
  --contact-radius-card: 20px;
  --contact-radius-input: 12px;
  --contact-gap: 40px;
  --contact-column-min: 320px;
  display: block;
  width: 100%;
  background-color: var(--contact-bg-dark);
  color: var(--contact-text);
  font-family: var(--font-body, 'Roboto Condensed', 'Segoe UI', Arial, sans-serif);
}

/* 容器复用 */
.page-contact .container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 20px;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  font-size: 0.875rem;
  color: var(--contact-text-secondary);
}
.page-contact .breadcrumb a {
  color: var(--contact-gold);
  text-decoration: none;
  transition: color var(--transition-speed, 0.3s);
}
.page-contact .breadcrumb a:hover {
  color: var(--contact-red);
}
.page-contact .breadcrumb .separator {
  color: var(--contact-border);
  font-weight: 700;
}
.page-contact .breadcrumb [aria-current="page"] {
  color: var(--contact-text);
  font-weight: 600;
}

/* ===== 首屏标题区 ===== */
.page-contact .contact-hero {
  position: relative;
  padding: 60px 0 50px;
  background: linear-gradient(135deg, #0d0d0d 0%, #1a0a0a 40%, #0a0a0a 100%);
  border-bottom: 4px solid var(--contact-red);
  overflow: hidden;
}
.page-contact .contact-hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(178,34,34,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.page-contact .contact-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--gradient-red-gold, linear-gradient(135deg, #b22222, #ffd700));
  transform: skewY(-1deg);
  transform-origin: left;
}
.page-contact .contact-hero__title {
  font-family: var(--font-heading, 'Impact', 'Arial Black', sans-serif);
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  font-size: clamp(2.2rem, 10vw, 5rem);
  letter-spacing: -1px;
  line-height: 1;
  color: var(--contact-text);
  margin: 0 0 12px;
  position: relative;
  z-index: 1;
  text-shadow: 4px 4px 0 rgba(178,34,34,0.3);
}
.page-contact .contact-hero__subtitle {
  font-family: var(--font-body, 'Roboto Condensed', sans-serif);
  font-size: clamp(1rem, 3vw, 1.35rem);
  color: var(--contact-text-secondary);
  margin: 0;
  position: relative;
  z-index: 1;
  padding-left: 4px;
  border-left: 4px solid var(--contact-gold);
  padding-left: 16px;
}

/* ===== 双栏核心布局 ===== */
.page-contact .contact-columns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--contact-gap);
  padding-top: 50px;
  padding-bottom: 50px;
}
.page-contact .contact-info,
.page-contact .contact-form-section {
  flex: 1 1 var(--contact-column-min);
  min-width: 280px;
}

/* ===== 左侧联系信息 ===== */
.page-contact .contact-info {
  position: relative;
  background: var(--contact-bg-surface);
  border-radius: var(--contact-radius-card);
  padding: 36px 30px 30px;
  overflow: hidden;
  border: 1px solid var(--contact-border);
}
.page-contact .contact-info__bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  pointer-events: none;
  opacity: 0.08;
  z-index: 0;
}
.page-contact .contact-info__city-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.page-contact .contact-info > *:not(.contact-info__bg) {
  position: relative;
  z-index: 1;
}
.page-contact .contact-info .section-title {
  font-family: var(--font-heading, 'Impact', 'Arial Black', sans-serif);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(1.5rem, 4vw, 2rem);
  text-transform: uppercase;
  letter-spacing: -0.5px;
  color: var(--contact-text);
  margin: 0 0 12px;
  background: var(--gradient-red-gold, linear-gradient(135deg, #b22222, #ffd700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-contact .contact-info__desc {
  color: var(--contact-text-secondary);
  font-size: 1rem;
  margin: 0 0 28px;
  line-height: 1.5;
}

/* 联系列表 */
.page-contact .contact-info__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.page-contact .contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: rgba(255,255,255,0.03);
  padding: 16px 18px;
  border-radius: var(--radius-card, 20px);
  border: 1px solid rgba(255,255,255,0.06);
  transition: background var(--transition-speed, 0.3s), border-color var(--transition-speed, 0.3s);
}
.page-contact .contact-item:hover {
  background: rgba(178,34,34,0.08);
  border-color: var(--contact-red);
}
.page-contact .contact-item__icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-gold-red, linear-gradient(135deg, #ffd700, #b22222));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
}
.page-contact .contact-item__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  filter: brightness(0) invert(1);
}
.page-contact .contact-item__body {
  flex: 1;
  min-width: 0;
}
.page-contact .contact-label {
  display: block;
  font-family: var(--font-cta, 'Roboto Condensed', sans-serif);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.75rem;
  color: var(--contact-gold);
  margin-bottom: 4px;
}
.page-contact .contact-item__value {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--contact-text);
  word-break: break-word;
}
.page-contact .contact-item__value a {
  color: var(--contact-text);
  text-decoration: none;
  transition: color var(--transition-speed, 0.3s);
}
.page-contact .contact-item__value a:hover {
  color: var(--contact-gold);
}
.page-contact .contact-item .contact-note {
  font-size: 0.85rem;
  color: var(--contact-text-secondary);
  margin: 4px 0 0;
  line-height: 1.4;
}

/* 温馨提示条 */
.page-contact .contact-info__notice {
  margin-top: 28px;
  padding: 16px 20px;
  background: rgba(255,215,0,0.06);
  border-left: 4px solid var(--contact-gold);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--contact-text-secondary);
  line-height: 1.5;
}
.page-contact .contact-info__notice strong {
  color: var(--contact-gold);
}

/* ===== 右侧表单 ===== */
.page-contact .contact-form-section {
  background: var(--contact-bg-surface);
  border-radius: var(--contact-radius-card);
  padding: 36px 30px 30px;
  border: 1px solid var(--contact-border);
}
.page-contact .contact-form-section .section-title {
  font-family: var(--font-heading, 'Impact', 'Arial Black', sans-serif);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(1.5rem, 4vw, 2rem);
  text-transform: uppercase;
  letter-spacing: -0.5px;
  color: var(--contact-text);
  margin: 0 0 12px;
  background: var(--gradient-red-gold, linear-gradient(135deg, #b22222, #ffd700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-contact .contact-form-section__desc {
  color: var(--contact-text-secondary);
  font-size: 1rem;
  margin: 0 0 28px;
  line-height: 1.5;
}

.page-contact .contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.page-contact .contact-form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-contact .contact-form__label {
  font-family: var(--font-cta, 'Roboto Condensed', sans-serif);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--contact-text-secondary);
}
.page-contact .contact-form__input,
.page-contact .contact-form__textarea {
  background: #0f0f0f;
  border: 1px solid var(--contact-border);
  border-radius: var(--contact-radius-input);
  padding: 14px 16px;
  font-family: var(--font-body, 'Roboto Condensed', sans-serif);
  font-size: 1rem;
  color: var(--contact-text);
  transition: border-color var(--transition-speed, 0.3s), box-shadow var(--transition-speed, 0.3s);
  outline: none;
  width: 100%;
  box-sizing: border-box;
}
.page-contact .contact-form__input::placeholder,
.page-contact .contact-form__textarea::placeholder {
  color: #666;
}
.page-contact .contact-form__input:focus,
.page-contact .contact-form__textarea:focus {
  border-color: var(--contact-gold);
  box-shadow: 0 0 0 3px rgba(255,215,0,0.15);
}
.page-contact .contact-form__input:user-invalid,
.page-contact .contact-form__textarea:user-invalid {
  border-color: var(--contact-red);
}
.page-contact .contact-form__feedback {
  font-size: 0.8rem;
  min-height: 1.2em;
  color: var(--contact-red);
  transition: opacity var(--transition-speed, 0.3s);
}
.page-contact .contact-form__submit {
  align-self: flex-start;
  padding: 14px 40px;
  font-size: 1.1rem;
  border: none;
  cursor: pointer;
  background: var(--gradient-red-gold, linear-gradient(135deg, #b22222, #ffd700));
  color: var(--contact-text);
  border-radius: var(--border-radius, 50px);
  font-family: var(--font-cta, 'Roboto Condensed', sans-serif);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: transform var(--transition-speed, 0.3s), box-shadow var(--transition-speed, 0.3s);
}
.page-contact .contact-form__submit:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 30px rgba(178,34,34,0.4);
}
.page-contact .contact-form__submit:active {
  transform: scale(0.97);
}
.page-contact .contact-form__disclaimer {
  font-size: 0.8rem;
  color: var(--contact-text-secondary);
  margin: 8px 0 0;
  line-height: 1.4;
}
.page-contact .contact-form__disclaimer a {
  color: var(--contact-gold);
  text-decoration: underline;
  transition: color var(--transition-speed, 0.3s);
}
.page-contact .contact-form__disclaimer a:hover {
  color: var(--contact-red);
}

/* ===== 服务说明区块 ===== */
.page-contact .contact-service-info {
  padding: 60px 0 50px;
  background: var(--contact-bg-surface);
  border-top: 1px solid var(--contact-border);
  border-bottom: 1px solid var(--contact-border);
}
.page-contact .contact-service-info .section-title {
  font-family: var(--font-heading, 'Impact', 'Arial Black', sans-serif);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(1.5rem, 4vw, 2rem);
  text-transform: uppercase;
  letter-spacing: -0.5px;
  color: var(--contact-text);
  margin: 0 0 32px;
  text-align: center;
  background: var(--gradient-red-gold, linear-gradient(135deg, #b22222, #ffd700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-contact .contact-service-info__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.page-contact .contact-service-info__card {
  background: #0f0f0f;
  border-radius: var(--radius-card, 20px);
  padding: 28px 24px;
  border: 1px solid var(--contact-border);
  transition: border-color var(--transition-speed, 0.3s), transform var(--transition-speed, 0.3s);
}
.page-contact .contact-service-info__card:hover {
  border-color: var(--contact-red);
  transform: translateY(-4px);
}
.page-contact .contact-service-info__icon {
  display: inline-block;
  font-size: 2rem;
  margin-bottom: 12px;
  line-height: 1;
}
.page-contact .contact-service-info__card-title {
  font-family: var(--font-heading, 'Impact', 'Arial Black', sans-serif);
  font-weight: 700;
  font-style: italic;
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0px;
  color: var(--contact-gold);
  margin: 0 0 10px;
}
.page-contact .contact-service-info__card p {
  font-size: 0.9rem;
  color: var(--contact-text-secondary);
  line-height: 1.5;
  margin: 0;
}
.page-contact .contact-service-info__card a {
  color: var(--contact-gold);
  text-decoration: underline;
  transition: color var(--transition-speed, 0.3s);
}
.page-contact .contact-service-info__card a:hover {
  color: var(--contact-red);
}

/* ===== 底部信任声明 ===== */
.page-contact .contact-trust {
  padding: 30px 20px 40px;
  text-align: center;
}
.page-contact .contact-trust__text {
  font-size: 0.85rem;
  color: var(--contact-text-secondary);
  margin: 0;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
}

/* ===== 响应式：移动端优先已内建，桌面增强 ===== */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    padding: 80px 0 60px;
  }
  .page-contact .contact-hero__title {
    font-size: clamp(3rem, 8vw, 5rem);
  }
  .page-contact .contact-columns {
    flex-wrap: nowrap;
  }
  .page-contact .contact-info,
  .page-contact .contact-form-section {
    flex: 1 1 50%;
  }
  .page-contact .contact-info__bg {
    width: 50%;
  }
  .page-contact .contact-service-info__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 480px) {
  .page-contact .contact-hero {
    padding: 40px 0 36px;
  }
  .page-contact .contact-info,
  .page-contact .contact-form-section {
    padding: 24px 16px;
  }
  .page-contact .contact-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .page-contact .contact-item__body {
    text-align: center;
  }
  .page-contact .contact-form__submit {
    width: 100%;
    text-align: center;
  }
  .page-contact .contact-service-info__grid {
    grid-template-columns: 1fr;
  }
  .page-contact .contact-trust {
    padding: 20px 16px 30px;
  }
}

```