/* ===== 页面专属 CSS — page-contact ===== */
.page-contact {
  --contact-card-border: var(--accent-gold);
  --contact-speed-color: rgba(230, 57, 70, 0.25);
  --contact-form-bg: var(--section-bg-light);
  --contact-max-width: 1200px;
  --contact-card-min-height: 200px;
  background-color: var(--dark-bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

/* 辅助隐藏类 */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ===== Hero 区域 ===== */
.contact-hero {
  position: relative;
  width: 100%;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.contact-hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  z-index: 0;
}

.contact-hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(11,19,43,0.75) 0%, rgba(11,19,43,0.55) 60%, rgba(11,19,43,0.80) 100%);
  z-index: 1;
}

.contact-hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 1.5rem 1rem;
  max-width: var(--contact-max-width);
  width: 100%;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.breadcrumb a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--primary-red);
}

.breadcrumb__sep {
  color: var(--text-secondary);
}

.contact-hero__title {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 0.5rem;
  color: var(--text-primary);
  text-shadow: 0 2px 12px rgba(0,0,0,0.6);
}

.contact-hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
  font-weight: 400;
}

/* 速度线 — Hero */
.speed-line--hero {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 18px,
    var(--contact-speed-color) 18px,
    var(--contact-speed-color) 22px,
    transparent 22px,
    transparent 40px
  );
  z-index: 2;
  opacity: 0.6;
}

/* ===== 联系方式卡片区 ===== */
.contact-cards-section {
  position: relative;
  padding: 2.5rem 1rem 2rem;
  background-color: var(--section-bg-alt);
}

.contact-cards-section__inner {
  position: relative;
  max-width: var(--contact-max-width);
  margin: 0 auto;
  display: flex;
  align-items: stretch;
  gap: 1.25rem;
}

/* 速度线 — 左右 */
.speed-line--left,
.speed-line--right {
  display: none;
  position: relative;
  flex-shrink: 0;
  width: 24px;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 8px,
    var(--contact-speed-color) 8px,
    var(--contact-speed-color) 10px,
    transparent 10px,
    transparent 18px
  );
  opacity: 0.4;
  border-radius: 2px;
}

.contact-cards {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: center;
}

.contact-cards__icons {
  width: 100%;
  max-width: 360px;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
  opacity: 0.9;
  margin-bottom: 0.25rem;
}

.contact-card {
  width: 100%;
  max-width: 480px;
  background: var(--section-bg-light);
  border: 2px solid var(--contact-card-border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3), inset 0 1px 0 rgba(244,162,97,0.15);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  text-align: center;
}

.contact-card[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.25s ease;
}

.contact-card[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(230,57,70,0.2), inset 0 1px 0 rgba(244,162,97,0.25);
}

.contact-card__icon {
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.contact-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent-gold);
  margin: 0 0 0.35rem;
}

.contact-card__value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  word-break: break-all;
  cursor: pointer;
  transition: color 0.2s;
}

.contact-card__value:hover {
  color: var(--accent-gold);
}

.contact-card__value--sub {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.contact-card__value--sub:hover {
  color: var(--primary-red);
}

.contact-card__note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0.5rem 0 0;
  line-height: 1.4;
  border-top: 1px solid rgba(244,162,97,0.2);
  padding-top: 0.5rem;
}

/* 服务时间 */
.service-time {
  max-width: var(--contact-max-width);
  margin: 1.5rem auto 0;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.75rem 1rem;
  background: rgba(244,162,97,0.08);
  border-radius: 8px;
  border: 1px solid rgba(244,162,97,0.2);
}

.service-time[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease 0.2s, transform 0.5s ease 0.2s;
}

.service-time[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.service-time__label {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-gold);
}

.service-time__value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ===== 联系表单区 ===== */
.contact-form-section {
  padding: 2.5rem 1rem 3rem;
  background-color: var(--dark-bg);
}

.contact-form-section__inner {
  max-width: 680px;
  margin: 0 auto;
}

.contact-form-section__title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  text-align: center;
  margin: 0 0 0.5rem;
  position: relative;
}

.contact-form-section__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--primary-red);
  margin: 0.5rem auto 0;
  border-radius: 2px;
}

.contact-form-section__desc {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1rem;
  margin: 0 0 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

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

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.form-field[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.form-field__label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.form-field__input {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  background: var(--section-bg-light);
  border: none;
  border-bottom: 2px solid var(--text-secondary);
  border-radius: 6px 6px 0 0;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.form-field__input::placeholder {
  color: rgba(176,190,197,0.5);
  font-weight: 300;
}

.form-field__input:focus {
  border-bottom-color: var(--primary-red);
  background: var(--section-bg-alt);
}

.form-field__input--textarea {
  resize: vertical;
  min-height: 100px;
  border-radius: 6px;
  border-bottom-width: 2px;
}

.form-field__submit {
  align-self: center;
  min-width: 200px;
  margin-top: 0.5rem;
}

/* 按钮样式（扩展共享类） */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: none;
  border-radius: 6px;
  cursor: default;
  transition: background 0.3s ease, transform 0.2s ease;
}

.btn--gold {
  background: var(--accent-gold);
  color: var(--primary-black);
}

.btn--gold:hover {
  background: #e08f4a;
  transform: scale(1.02);
}

/* ===== 底部导航与信任说明 ===== */
.contact-bottom {
  padding: 2rem 1rem;
  background: var(--section-bg-alt);
  border-top: 2px solid rgba(244,162,97,0.15);
}

.contact-bottom__inner {
  max-width: var(--contact-max-width);
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.contact-bottom__text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin: 0;
}

.contact-bottom__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.contact-bottom__link {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-gold);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.contact-bottom__link:hover {
  border-bottom-color: var(--primary-red);
  color: var(--text-primary);
}

.contact-bottom__trust {
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0.5rem auto 0;
  line-height: 1.5;
  border-top: 1px solid rgba(176,190,197,0.15);
  padding-top: 0.75rem;
}

/* ===== 桌面端适配（≥768px） ===== */
@media (min-width: 768px) {
  .contact-hero {
    height: 460px;
  }

  .contact-hero__title {
    font-size: 4.5rem;
  }

  .contact-hero__subtitle {
    font-size: 1.25rem;
  }

  .contact-cards-section {
    padding: 3.5rem 2rem 2.5rem;
  }

  .speed-line--left,
  .speed-line--right {
    display: block;
  }

  .contact-cards {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    gap: 1.5rem;
  }

  .contact-cards__icons {
    width: 100%;
    max-width: 400px;
    margin-bottom: 0.5rem;
  }

  .contact-card {
    flex: 1 1 240px;
    max-width: 300px;
    min-height: var(--contact-card-min-height);
    padding: 1.5rem 1.25rem;
    text-align: left;
  }

  .contact-card__icon {
    font-size: 2.2rem;
  }

  .contact-card__title {
    font-size: 1.1rem;
  }

  .contact-card__value {
    font-size: 1rem;
  }

  .service-time {
    margin-top: 2rem;
    padding: 0.75rem 2rem;
    gap: 1.5rem;
  }

  .contact-form-section {
    padding: 3.5rem 2rem 4rem;
  }

  .contact-form-section__title {
    font-size: 2.5rem;
  }

  .contact-form {
    gap: 1.5rem;
  }

  .form-field__input {
    padding: 0.85rem 1.25rem;
  }

  .contact-bottom {
    padding: 2.5rem 2rem;
  }

  .contact-bottom__links {
    gap: 2.5rem;
  }
}

/* ===== 大桌面端（≥1024px） ===== */
@media (min-width: 1024px) {
  .contact-hero {
    height: 520px;
  }

  .contact-hero__title {
    font-size: 5rem;
  }

  .contact-cards {
    flex-wrap: nowrap;
    gap: 1.75rem;
  }

  .contact-card {
    flex: 1;
    max-width: 320px;
    padding: 1.75rem 1.5rem;
  }

  .contact-card__icon {
    font-size: 2.5rem;
  }

  .contact-form-section__inner {
    max-width: 720px;
  }
}

/* ===== 动效偏好适配 ===== */
@media (prefers-reduced-motion: reduce) {
  .contact-card,
  .service-time,
  .form-field,
  .contact-card[data-reveal],
  .service-time[data-reveal],
  .form-field[data-reveal] {
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .contact-card:hover {
    transform: none;
  }

  .btn--gold:hover {
    transform: none;
  }
}