.page-contact {
  --contact-card-bg: rgba(10, 31, 60, 0.85);
  --contact-border-glow: rgba(212, 175, 55, 0.25);
  --contact-input-bg: rgba(232, 236, 241, 0.06);
  --contact-input-focus-bg: rgba(232, 236, 241, 0.10);
  --contact-slant-color: rgba(212, 175, 55, 0.12);
}

/* 面包屑 */
.page-contact .breadcrumb {
  padding-top: 1.5rem;
  padding-bottom: 0.5rem;
  font-size: 0.875rem;
  color: var(--light-gray, #E8ECF1);
  opacity: 0.7;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.page-contact .breadcrumb a {
  color: var(--gold, #D4AF37);
  text-decoration: none;
  transition: opacity var(--transition-speed, 0.3s);
}
.page-contact .breadcrumb a:hover {
  opacity: 0.75;
}
.page-contact .breadcrumb__separator {
  color: var(--gold, #D4AF37);
  opacity: 0.5;
}

/* 首屏标题区 */
.page-contact .contact-hero {
  padding: 2rem 0 2.5rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
  margin-bottom: 2.5rem;
}
.page-contact .contact-hero__title {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  font-family: var(--font-heading, 'Space Grotesk', 'Noto Sans SC', sans-serif);
  font-weight: 300;
  font-size: 2.5rem;
  color: var(--white, #FFFFFF);
  margin: 0 0 0.75rem;
  letter-spacing: 0.02em;
}
.page-contact .contact-hero__title .section__number {
  font-family: var(--font-heading, 'Space Grotesk', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--gold, #D4AF37);
  background: rgba(212, 175, 55, 0.10);
  padding: 0.2em 0.6em;
  clip-path: polygon(0 0, 100% 0, 94% 100%, 0% 100%);
  line-height: 1.6;
}
.page-contact .contact-hero__desc {
  font-size: 1.05rem;
  color: var(--light-gray, #E8ECF1);
  opacity: 0.8;
  max-width: 520px;
  line-height: 1.7;
  margin: 0;
}

/* 主网格：左信息 + 右表单 */
.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

/* 左侧信息卡片 */
.page-contact .contact-grid__info {
  position: relative;
}
.page-contact .contact-card {
  background: var(--contact-card-bg);
  border: 1px solid rgba(212, 175, 55, 0.20);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  overflow: hidden;
  position: relative;
  transition: box-shadow var(--transition-speed, 0.3s), transform var(--transition-speed, 0.3s);
  backdrop-filter: blur(2px);
}
.page-contact .contact-card:hover {
  box-shadow: 0 8px 32px rgba(212, 175, 55, 0.15);
  transform: translateY(-2px);
}
.page-contact .contact-card__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.25;
  overflow: hidden;
}
.page-contact .contact-card__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-contact .contact-card__body {
  position: relative;
  z-index: 1;
  padding: 2rem 2rem 2.2rem;
}
.page-contact .contact-card__heading {
  font-family: var(--font-heading, 'Space Grotesk', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--gold, #D4AF37);
  margin: 0 0 1.5rem;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.page-contact .contact-card__heading::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.5em;
  background: var(--accent-orange, #FF7A00);
  border-radius: 2px;
}
.page-contact .contact-card__list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.page-contact .contact-card__item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.page-contact .contact-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-orange, #FF7A00);
  opacity: 0.8;
}
.page-contact .contact-card__value {
  font-size: 1rem;
  color: var(--white, #FFFFFF);
  text-decoration: none;
  word-break: break-word;
  transition: color var(--transition-speed, 0.3s);
}
.page-contact .contact-card__value a {
  color: var(--white, #FFFFFF);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-speed, 0.3s), color var(--transition-speed, 0.3s);
}
.page-contact .contact-card__value a:hover {
  color: var(--gold, #D4AF37);
  border-bottom-color: var(--gold, #D4AF37);
}
.page-contact .contact-card__note {
  font-size: 0.875rem;
  color: var(--light-gray, #E8ECF1);
  opacity: 0.7;
  line-height: 1.6;
  border-top: 1px solid rgba(212, 175, 55, 0.15);
  padding-top: 1.2rem;
  margin: 0;
}

/* 装饰斜线 */
.page-contact .contact-card__slant {
  position: absolute;
  right: -40px;
  bottom: 30px;
  width: 180px;
  height: 2px;
  background: var(--contact-slant-color);
  transform: rotate(-28deg);
  pointer-events: none;
  z-index: 0;
}
.page-contact .contact-card__slant::after {
  content: '';
  position: absolute;
  right: 0;
  top: -6px;
  width: 14px;
  height: 14px;
  background: var(--accent-orange, #FF7A00);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  opacity: 0.3;
}

/* 右侧表单区域 */
.page-contact .contact-grid__form {
  display: flex;
  flex-direction: column;
}
.page-contact .form-section {
  background: rgba(10, 31, 60, 0.55);
  border: 1px solid rgba(212, 175, 55, 0.12);
  clip-path: polygon(20px 0, 100% 0, 100% 100%, 0 100%, 0 20px);
  padding: 2rem 1.8rem 2.2rem;
}
.page-contact .form-section__title {
  margin: 0 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.page-contact .form-section__title .tag--accent {
  background: var(--accent-orange, #FF7A00);
  color: var(--deep-blue, #0A1F3C);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.8rem;
  clip-path: polygon(0 0, 100% 0, 94% 100%, 0% 100%);
  display: inline-block;
}

/* 表单字段 */
.page-contact .contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.page-contact .form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.page-contact .form-field__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--light-gray, #E8ECF1);
  letter-spacing: 0.02em;
}
.page-contact .form-field__optional {
  font-weight: 400;
  opacity: 0.5;
  font-size: 0.75rem;
}
.page-contact .form-field__input {
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: 0.95rem;
  padding: 0.7rem 1rem;
  background: var(--contact-input-bg);
  border: 1.5px solid rgba(212, 175, 55, 0.18);
  border-radius: 0;
  color: var(--white, #FFFFFF);
  transition: border-color var(--transition-speed, 0.3s), background var(--transition-speed, 0.3s), box-shadow var(--transition-speed, 0.3s);
  outline: none;
  width: 100%;
  box-sizing: border-box;
}
.page-contact .form-field__input::placeholder {
  color: rgba(232, 236, 241, 0.3);
  font-weight: 300;
}
.page-contact .form-field__input:focus {
  border-color: var(--gold, #D4AF37);
  background: var(--contact-input-focus-bg);
  box-shadow: 0 0 0 3px var(--contact-border-glow);
}
.page-contact .form-field__input--textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}
.page-contact .form-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-top: 0.4rem;
}
.page-contact .form-actions__submit {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  align-self: flex-start;
  padding: 0.75rem 2rem;
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background var(--transition-speed, 0.3s), transform var(--transition-speed, 0.3s), box-shadow var(--transition-speed, 0.3s);
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0% 100%);
}
.page-contact .form-actions__submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.30);
}
.page-contact .form-actions__submit:active {
  transform: translateY(0);
}
.page-contact .form-actions__hint {
  font-size: 0.8rem;
  color: var(--light-gray, #E8ECF1);
  opacity: 0.55;
  margin: 0;
}

/* 自助入口区域 */
.page-contact .self-help {
  margin-top: 2rem;
  margin-bottom: 3rem;
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  background: rgba(10, 31, 60, 0.40);
  border: 1px solid rgba(212, 175, 55, 0.10);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  overflow: hidden;
}
.page-contact .self-help__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.12;
  overflow: hidden;
}
.page-contact .self-help__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-contact .self-help__content {
  position: relative;
  z-index: 1;
  padding: 2rem 1.8rem 2.2rem;
}
.page-contact .self-help__title {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  font-family: var(--font-heading, 'Space Grotesk', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--gold, #D4AF37);
  margin: 0 0 0.5rem;
}
.page-contact .self-help__title .section__number {
  font-weight: 300;
  font-size: 1.1rem;
  color: var(--accent-orange, #FF7A00);
  opacity: 0.7;
}
.page-contact .self-help__desc {
  font-size: 0.95rem;
  color: var(--light-gray, #E8ECF1);
  opacity: 0.75;
  max-width: 480px;
  line-height: 1.7;
  margin: 0 0 1.5rem;
}
.page-contact .self-help__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}
.page-contact .self-help__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.6rem 1.4rem;
  transition: background var(--transition-speed, 0.3s), transform var(--transition-speed, 0.3s), box-shadow var(--transition-speed, 0.3s);
  clip-path: polygon(0 0, 100% 0, 94% 100%, 0% 100%);
}
.page-contact .self-help__link:hover {
  transform: translateY(-1px);
}
.page-contact .self-help__link--text {
  background: transparent;
  color: var(--light-gray, #E8ECF1);
  padding: 0.6rem 0.6rem;
  clip-path: none;
  border-bottom: 1px solid transparent;
  border-radius: 0;
}
.page-contact .self-help__link--text:hover {
  border-bottom-color: var(--gold, #D4AF37);
  color: var(--gold, #D4AF37);
  transform: none;
}
.page-contact .self-help__link svg {
  flex-shrink: 0;
}

/* 桌面版 */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    padding: 2.5rem 0 3rem;
    margin-bottom: 3rem;
  }
  .page-contact .contact-hero__title {
    font-size: 3rem;
  }
  .page-contact .contact-hero__desc {
    font-size: 1.1rem;
    max-width: 600px;
  }
  .page-contact .contact-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: start;
  }
  .page-contact .contact-card__body {
    padding: 2.5rem 2.5rem 2.8rem;
  }
  .page-contact .contact-card__heading {
    font-size: 1.65rem;
  }
  .page-contact .form-section {
    padding: 2.5rem 2.2rem 2.8rem;
  }
  .page-contact .self-help {
    grid-template-columns: 1fr;
    margin-top: 2.5rem;
  }
  .page-contact .self-help__content {
    padding: 2.5rem 2.5rem 2.8rem;
  }
  .page-contact .self-help__title {
    font-size: 1.5rem;
  }
  .page-contact .self-help__links {
    gap: 1.2rem;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero__title {
    font-size: 3.5rem;
  }
  .page-contact .contact-grid {
    gap: 4rem;
  }
  .page-contact .contact-card__body {
    padding: 3rem 3rem 3.2rem;
  }
  .page-contact .form-section {
    padding: 3rem 2.5rem 3.2rem;
  }
  .page-contact .self-help__content {
    padding: 3rem 3rem 3.2rem;
  }
}

/* 极窄屏保护 */
@media (max-width: 380px) {
  .page-contact .contact-hero__title {
    font-size: 1.8rem;
    flex-wrap: wrap;
  }
  .page-contact .contact-card__body {
    padding: 1.2rem;
  }
  .page-contact .form-section {
    padding: 1.2rem;
  }
  .page-contact .self-help__content {
    padding: 1.2rem;
  }
  .page-contact .self-help__links {
    flex-direction: column;
    align-items: stretch;
  }
  .page-contact .self-help__link {
    justify-content: center;
  }
}

/* 滚动显现支持 */
.page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.page-contact [data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}