.page-contact {
  --contact-left-bg: var(--color-primary, #0A1F44);
  --contact-accent: var(--color-accent, #39FF14);
  --contact-silver: var(--color-silver, #C0C0C0);
  --contact-white: var(--color-white, #FFFFFF);
  --contact-dark: var(--color-dark, #2C2C2C);
  --contact-radius: 0;
  --contact-gap: 2rem;
  --contact-padding: 2rem;
  --contact-font-mono: var(--font-mono, "SF Mono", "JetBrains Mono", "Fira Code", "Consolas", monospace);
}

/* ---- 左右分屏容器 ---- */
.page-contact .contact-layout {
  display: flex;
  flex-direction: column;
  gap: var(--contact-gap);
  max-width: var(--site-max-width, 1280px);
  margin: 0 auto;
  padding: 1.5rem var(--contact-padding) 3rem;
}

/* ---- 左侧：联系方式卡片 ---- */
.page-contact .contact-info {
  position: relative;
  background: var(--contact-left-bg);
  color: var(--contact-white);
  clip-path: polygon(0 0, 100% 0, 92% 100%, 0 100%);
  overflow: hidden;
  min-height: 380px;
  display: flex;
  align-items: stretch;
}

.page-contact .contact-info__image-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-info__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.page-contact .contact-info__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 31, 68, 0.88) 30%, rgba(10, 31, 68, 0.60) 80%);
  z-index: 1;
}

.page-contact .contact-info__inner {
  position: relative;
  z-index: 2;
  padding: 2.2rem 1.8rem 2.8rem 2rem;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-contact .contact-info__heading {
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  font-size: 2.2rem;
  line-height: 1.1;
  margin: 0 0 1.5rem;
  color: var(--contact-white);
  letter-spacing: -0.02em;
}

.page-contact .contact-info__items {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-contact .contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
}

.page-contact .contact-info__icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  color: var(--contact-accent);
  margin-top: 0.1rem;
  transition: transform var(--transition-fast, 0.2s) ease;
}

.page-contact .contact-info__item:hover .contact-info__icon {
  transform: scale(1.15);
}

.page-contact .contact-info__item-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.page-contact .contact-info__item-label {
  font-family: var(--contact-font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--contact-silver);
  opacity: 0.8;
}

.page-contact .contact-info__item-value {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.4;
  color: var(--contact-white);
  word-break: break-all;
}

.page-contact .contact-info__note {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(192, 192, 192, 0.25);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.page-contact .contact-info__note p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--contact-silver);
}

.page-contact .contact-info__note strong {
  color: var(--contact-accent);
  font-weight: 600;
}

/* ---- 右侧：表单区域 ---- */
.page-contact .contact-form-section {
  background: var(--contact-white);
  border: 1px solid var(--contact-silver);
  position: relative;
  overflow: hidden;
}

.page-contact .contact-form-section__image-wrap {
  width: 100%;
  height: auto;
  line-height: 0;
  overflow: hidden;
  border-bottom: 2px solid var(--contact-accent);
}

.page-contact .contact-form-section__bg-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 150px;
}

.page-contact .contact-form-section__inner {
  padding: 2rem 1.8rem;
}

.page-contact .contact-form-section__heading {
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  font-size: 1.75rem;
  line-height: 1.1;
  margin: 0 0 0.5rem;
  color: var(--contact-dark);
}

.page-contact .contact-form-section__desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--color-text-light, #555);
  margin: 0 0 1.75rem;
}

.page-contact .contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-contact .contact-form__group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-contact .contact-form__label {
  font-family: var(--contact-font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--contact-dark);
  font-weight: 600;
}

.page-contact .contact-form__required {
  color: var(--color-danger, #FF3355);
}

.page-contact .contact-form__input,
.page-contact .contact-form__textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--contact-silver);
  background: var(--color-light, #F5F5F5);
  color: var(--contact-dark);
  transition: border-color var(--transition-fast, 0.2s) ease, box-shadow var(--transition-fast, 0.2s) ease;
  outline: none;
  width: 100%;
  box-sizing: border-box;
}

.page-contact .contact-form__input:hover,
.page-contact .contact-form__textarea:hover {
  border-color: var(--contact-accent);
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.15);
}

.page-contact .contact-form__input:focus,
.page-contact .contact-form__textarea:focus {
  border-color: var(--contact-accent);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.25);
  background: var(--contact-white);
}

.page-contact .contact-form__input::placeholder,
.page-contact .contact-form__textarea::placeholder {
  color: #999;
  font-size: 0.9rem;
}

.page-contact .contact-form__textarea {
  resize: vertical;
  min-height: 100px;
}

.page-contact .contact-form__submit {
  align-self: flex-start;
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 1rem;
  padding: 0.75rem 2.2rem;
  background: var(--contact-accent);
  color: var(--contact-left-bg);
  border: none;
  cursor: pointer;
  transition: box-shadow var(--transition-med, 0.35s) ease, transform var(--transition-fast, 0.2s) ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-contact .contact-form__submit:hover {
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.55), 0 0 40px rgba(57, 255, 20, 0.25);
  transform: scale(1.03);
}

.page-contact .contact-form__submit:focus-visible {
  outline: 2px solid var(--contact-accent);
  outline-offset: 2px;
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.55);
}

.page-contact .contact-form-section__help {
  margin: 1.5rem 0 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-light, #555);
}

.page-contact .contact-form-section__link {
  color: var(--contact-accent);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast, 0.2s) ease;
}

.page-contact .contact-form-section__link:hover {
  border-bottom-color: var(--contact-accent);
}

/* ---- 桌面端：左右分屏 ---- */
@media (min-width: 768px) {
  .page-contact .contact-layout {
    flex-direction: row;
    align-items: stretch;
    padding: 2.5rem var(--contact-padding) 4rem;
  }

  .page-contact .contact-info {
    flex: 0 0 40%;
    min-height: 480px;
    clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
  }

  .page-contact .contact-info__inner {
    padding: 2.8rem 2rem 3.2rem 2.5rem;
  }

  .page-contact .contact-info__heading {
    font-size: 2.6rem;
  }

  .page-contact .contact-info__item-value {
    font-size: 1.05rem;
  }

  .page-contact .contact-form-section {
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  .page-contact .contact-form-section__inner {
    padding: 2.5rem 2.5rem 2.8rem;
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  .page-contact .contact-form-section__heading {
    font-size: 2rem;
  }

  .page-contact .contact-form {
    flex: 1;
    justify-content: space-between;
  }

  .page-contact .contact-form__submit {
    margin-top: 0.5rem;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-layout {
    gap: 2.5rem;
  }

  .page-contact .contact-info {
    flex: 0 0 38%;
  }

  .page-contact .contact-info__heading {
    font-size: 2.8rem;
  }

  .page-contact .contact-form-section__inner {
    padding: 3rem 3rem 3.2rem;
  }
}

/* ---- 大屏留白优化 ---- */
@media (min-width: 1280px) {
  .page-contact .contact-layout {
    padding-left: 0;
    padding-right: 0;
  }
}

/* ---- 表单验证状态（无JS，仅展示HTML5有效性样式）---- */
.page-contact .contact-form__input:user-invalid,
.page-contact .contact-form__textarea:user-invalid {
  border-color: var(--color-danger, #FF3355);
  box-shadow: 0 0 0 3px rgba(255, 51, 85, 0.15);
}

.page-contact .contact-form__input:user-valid,
.page-contact .contact-form__textarea:user-valid {
  border-color: var(--contact-accent);
}

/* ---- 辅助：确保图片响应 ---- */
.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---- 确保长地址在窄屏不溢出 ---- */
.page-contact .contact-info__item-value {
  overflow-wrap: break-word;
  word-break: break-word;
}