/* ===== 页面专属：page-contact ===== */
.page-contact {
  --contact-red: #E63946;
  --contact-blue: #1D3557;
  --contact-silver: #CAD2C5;
  --contact-cream: #F5F0E8;
  --contact-warm: #D4C9B8;
  --contact-amber: #FFB347;
  --contact-deep: #2D2D2D;
  --contact-mid: #4A4A4A;
  --contact-light: #B0B0B0;
  --contact-white: #FFFFFF;
  --contact-radius: 8px;
  --contact-shadow: 0 2px 8px rgba(0,0,0,0.06);
  --contact-trans: 0.25s ease;
}

/* 容器复用，但限定作用域内微调 */
.page-contact .container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ---------- 面包屑 ---------- */
.contact-breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem 0;
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 0.8rem;
  color: var(--contact-light);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.contact-breadcrumb a {
  color: var(--contact-mid);
  text-decoration: none;
  transition: color var(--contact-trans);
}
.contact-breadcrumb a:hover {
  color: var(--contact-red);
}
.contact-breadcrumb__sep {
  color: var(--contact-light);
  font-size: 0.75rem;
}
.contact-breadcrumb [aria-current="page"] {
  color: var(--contact-mid);
  font-weight: 600;
}

/* ---------- Hero 区 ---------- */
.contact-hero {
  padding: 2.5rem 0 2rem;
  position: relative;
  background: var(--contact-cream);
}
.contact-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}
.contact-hero__text {
  flex: 1;
}
.contact-hero__title {
  font-family: var(--font-heading, Georgia, "Times New Roman", serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--contact-blue);
  line-height: 1.2;
  margin: 0 0 0.6rem;
}
.contact-hero__desc {
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 1rem;
  color: var(--contact-mid);
  line-height: 1.6;
  max-width: 520px;
  margin: 0;
}
.contact-hero__mark {
  flex-shrink: 0;
}
.contact-hero__logo {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  background: var(--contact-white);
  border-radius: var(--contact-radius);
  box-shadow: var(--contact-shadow);
  padding: 0.25rem;
}
.contact-hero__line {
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--contact-red), var(--contact-blue));
  margin-top: 2rem;
}

/* ---------- 联系方式 ---------- */
.contact-channels {
  padding: 3rem 0 2rem;
}
.contact-channels__title {
  margin-bottom: 1.75rem;
}
.section__title.contact-channels__title {
  font-family: var(--font-heading, Georgia, "Times New Roman", serif);
  font-size: 1.6rem;
  color: var(--contact-blue);
  position: relative;
  padding-bottom: 0.5rem;
  margin-bottom: 1.75rem;
}
.section__title.contact-channels__title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--contact-red);
}
.contact-channels__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.contact-channels__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--contact-white);
  border: 1px solid var(--contact-warm);
  border-radius: var(--contact-radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--contact-shadow);
  transition: transform var(--contact-trans), box-shadow var(--contact-trans);
}
.contact-channels__item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}
.contact-channels__icon {
  flex-shrink: 0;
  color: var(--contact-red);
  width: 28px;
  height: 28px;
  margin-top: 0.1rem;
}
.contact-channels__body {
  flex: 1;
  min-width: 0;
}
.contact-channels__label {
  display: block;
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--contact-light);
  margin-bottom: 0.2rem;
}
.contact-channels__value {
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--contact-blue);
  text-decoration: none;
  word-break: break-word;
}
.contact-channels__value:hover {
  color: var(--contact-red);
}
.contact-channels__value--text {
  font-weight: 400;
  color: var(--contact-mid);
}
.contact-channels__note {
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 0.875rem;
  color: var(--contact-mid);
  line-height: 1.6;
  margin: 0;
}
.contact-channels__item--note {
  background: var(--contact-cream);
  border-color: var(--contact-silver);
}

/* ---------- 表单区 ---------- */
.contact-form-section {
  padding: 2rem 0 3rem;
  background: var(--contact-cream);
}
.contact-form-section__layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.contact-form-section__form-wrap {
  flex: 1;
}
.contact-form-section__title {
  margin-bottom: 0.6rem;
}
.section__title.contact-form-section__title {
  font-family: var(--font-heading, Georgia, "Times New Roman", serif);
  font-size: 1.6rem;
  color: var(--contact-blue);
  position: relative;
  padding-bottom: 0.5rem;
  margin-bottom: 0.6rem;
}
.section__title.contact-form-section__title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--contact-red);
}
.contact-form-section__hint {
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 0.85rem;
  color: var(--contact-light);
  margin: 0 0 1.5rem;
  max-width: 500px;
  line-height: 1.5;
}
.contact-form-section__visual {
  position: relative;
  flex-shrink: 0;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}
.contact-form-section__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--contact-radius);
  box-shadow: var(--contact-shadow);
  position: relative;
  z-index: 1;
}
.contact-form-section__deco {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 60%;
  height: 60%;
  border: 2px solid var(--contact-red);
  border-radius: var(--contact-radius);
  opacity: 0.15;
  z-index: 0;
}

/* ---------- 表单 ---------- */
.contact-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 560px;
}
.contact-form__field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.contact-form__label {
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--contact-mid);
}
.contact-form__required {
  color: var(--contact-red);
}
.contact-form__input,
.contact-form__textarea {
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 0.95rem;
  color: var(--contact-deep);
  background: var(--contact-white);
  border: 1px solid var(--contact-warm);
  border-radius: 6px;
  padding: 0.6rem 0.9rem;
  transition: border-color var(--contact-trans), box-shadow var(--contact-trans);
  width: 100%;
  box-sizing: border-box;
}
.contact-form__input:focus,
.contact-form__textarea:focus {
  outline: none;
  border-color: var(--contact-blue);
  box-shadow: 0 0 0 3px rgba(29,53,87,0.12);
}
.contact-form__input::placeholder,
.contact-form__textarea::placeholder {
  color: var(--contact-light);
}
.contact-form__textarea {
  resize: vertical;
  min-height: 100px;
}
.contact-form__action {
  padding-top: 0.5rem;
}
.contact-form__submit {
  width: 100%;
  text-align: center;
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 1rem;
  font-weight: 600;
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: 6px;
  background: var(--contact-red);
  color: var(--contact-white);
  cursor: pointer;
  transition: background var(--contact-trans), transform var(--contact-trans);
}
.contact-form__submit:hover {
  background: #c92e3a;
  transform: translateY(-1px);
}
.contact-form__submit:active {
  transform: translateY(0);
}

/* ---------- 内部链接区 ---------- */
.contact-links {
  padding: 2.5rem 0 3rem;
}
.contact-links__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}
.contact-links__text {
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 0.95rem;
  color: var(--contact-mid);
  margin: 0;
}
.contact-links__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}
.contact-links__btn {
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--contact-blue);
  border-radius: 6px;
  background: transparent;
  color: var(--contact-blue);
  text-decoration: none;
  transition: background var(--contact-trans), color var(--contact-trans);
}
.contact-links__btn:hover {
  background: var(--contact-blue);
  color: var(--contact-white);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .contact-hero__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .contact-hero__title {
    font-size: 2.6rem;
  }
  .contact-channels__list {
    grid-template-columns: 1fr 1fr;
  }
  .contact-form {
    grid-template-columns: 1fr 1fr;
  }
  .contact-form__field--full {
    grid-column: 1 / -1;
  }
  .contact-form__action {
    grid-column: 1 / -1;
  }
  .contact-form__submit {
    width: auto;
    min-width: 180px;
  }
}

@media (min-width: 900px) {
  .contact-hero {
    padding: 3.5rem 0 2.5rem;
  }
  .contact-hero__title {
    font-size: 3rem;
  }
  .contact-channels {
    padding: 4rem 0 3rem;
  }
  .contact-channels__list {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
  .contact-form-section__layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 3rem;
  }
  .contact-form-section__form-wrap {
    flex: 2;
  }
  .contact-form-section__visual {
    flex: 1;
    max-width: 360px;
    margin-top: 2.8rem;
  }
  .contact-links {
    padding: 3rem 0 4rem;
  }
  .contact-links__inner {
    flex-direction: row;
    justify-content: center;
    gap: 2rem;
  }
}

@media (min-width: 1100px) {
  .contact-channels__list {
    gap: 1.5rem;
  }
}