.page-contact {
  --contact-gold-line: rgba(245, 183, 0, 0.4);
  --contact-card-shadow: 0 2px 16px rgba(17, 17, 17, 0.08);
  --contact-blue-soft: rgba(10, 37, 64, 0.04);
}

/* ========== 面包屑 ========== */
.page-contact .contact-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  color: var(--color-gray-dark);
}
.page-contact .contact-breadcrumb a {
  color: var(--color-gray-dark);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-contact .contact-breadcrumb a:hover {
  color: var(--color-blue);
  border-color: var(--color-gold);
}
.page-contact .contact-breadcrumb span[aria-current="page"] {
  color: var(--color-blue);
}

/* ========== 首屏分屏 ========== */
.page-contact .contact-hero {
  display: grid;
  gap: 28px;
  padding-top: 40px;
  padding-bottom: 48px;
}
.page-contact .contact-hero__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}
.page-contact .contact-hero__copy .section-label {
  margin-bottom: 0;
}
.page-contact .contact-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin: 0;
  max-width: 14em;
}
.page-contact .contact-hero__lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-gray-dark);
  margin: 0;
  max-width: 52ch;
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}
.page-contact .contact-hero__visual {
  position: relative;
  background: var(--color-blue);
  border-radius: 6px;
  overflow: hidden;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-contact .contact-hero__visual::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid var(--contact-gold-line);
  border-radius: 4px;
  pointer-events: none;
  z-index: 1;
}
.page-contact .contact-hero__visual::after {
  content: "CONNECT";
  position: absolute;
  top: 18px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 3px;
  color: rgba(250, 250, 250, 0.5);
  z-index: 1;
}
.page-contact .contact-hero__visual svg {
  width: 100%;
  height: auto;
  display: block;
  position: relative;
  z-index: 0;
}

/* ========== 章节标题 ========== */
.page-contact .section-head {
  margin-bottom: 28px;
}
.page-contact .section-head h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  margin: 8px 0;
  color: var(--color-black);
}
.page-contact .section-head__desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-gray-dark);
  margin: 0;
}

/* ========== 联系渠道卡片 ========== */
.page-contact .contact-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .contact-card {
  position: relative;
  border-radius: 6px;
  padding: 28px 24px;
  border: 1px solid var(--color-gray-mid);
  background: var(--color-white);
  box-shadow: var(--contact-card-shadow);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.page-contact .contact-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(17, 17, 17, 0.1);
}
.page-contact .contact-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  margin: 14px 0 8px;
  color: var(--color-black);
}
.page-contact .contact-card__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-gray-dark);
  margin: 0 0 16px;
}
.page-contact .contact-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .contact-card__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px;
  padding: 10px 0;
  border-top: 1px solid var(--color-gray-light);
}
.page-contact .contact-card__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gray-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding-top: 2px;
}
.page-contact .contact-card__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.4;
}
.page-contact .contact-card__row a {
  color: var(--color-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  word-break: break-all;
}
.page-contact .contact-card__row a:hover {
  color: var(--color-red);
  border-color: var(--color-gold);
}
.page-contact .contact-card__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-gray-dark);
}

/* 邮箱卡片 — 深蓝底金色 */
.page-contact .contact-card--mail {
  background: var(--color-blue);
  border-color: var(--color-blue);
}
.page-contact .contact-card--mail .exhibition-tag {
  border-color: rgba(245, 183, 0, 0.55);
  color: var(--color-gold);
}
.page-contact .contact-card--mail h3 {
  color: var(--color-white);
}
.page-contact .contact-card--mail .contact-card__desc {
  color: rgba(250, 250, 250, 0.78);
}
.page-contact .contact-card--mail .contact-card__row {
  border-top-color: rgba(250, 250, 250, 0.14);
}
.page-contact .contact-card--mail .contact-card__row dt {
  color: rgba(250, 250, 250, 0.6);
}
.page-contact .contact-card--mail .contact-card__row a {
  color: var(--color-gold);
}
.page-contact .contact-card--mail .contact-card__row a:hover {
  color: var(--color-white);
  border-color: var(--color-gold);
}
.page-contact .contact-card--mail .contact-card__note {
  color: rgba(250, 250, 250, 0.72);
}

/* 电话卡片 */
.page-contact .contact-card--phone {
  background: var(--color-gray-light);
  border-color: var(--color-gray-light);
}
.page-contact .contact-card--phone .exhibition-tag {
  background: var(--color-gray-light);
}
.page-contact .contact-card__number {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-blue);
  letter-spacing: 1px;
  line-height: 1.2;
  margin: 20px 0 4px;
}

/* 地址卡片 */
.page-contact .contact-card--add {
  background: var(--color-white);
  border-style: dashed;
  border-color: var(--color-gray-mid);
}
.page-contact .contact-card__address {
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-black);
  margin: 20px 0 4px;
}

/* 图片 1 */
.page-contact .contact-image-one {
  margin-top: 20px;
  border-radius: 6px;
  overflow: hidden;
}

/* ========== 渠道说明（深蓝底） ========== */
.page-contact .contact-guidance {
  background: var(--color-blue);
}
.page-contact .contact-guidance .section-head h2 {
  color: var(--color-white);
}
.page-contact .contact-guidance .section-head__desc {
  color: rgba(250, 250, 250, 0.75);
}
.page-contact .contact-guidance .section-label {
  color: var(--color-gold);
}

.page-contact .contact-guidance__grid {
  display: grid;
  gap: 28px;
}
.page-contact .contact-guidance__list {
  display: grid;
  gap: 16px;
}
.page-contact .contact-guidance__item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 22px 20px;
  border: 1px dashed rgba(250, 250, 250, 0.3);
  background: rgba(250, 250, 250, 0.04);
  border-radius: 4px;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.page-contact .contact-guidance__item:hover {
  border-color: var(--color-gold);
  background: rgba(250, 250, 250, 0.08);
}
.page-contact .contact-guidance__item .index-number {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.4;
  color: var(--color-gold);
}
.page-contact .contact-guidance__item h3 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-white);
  margin: 0 0 6px;
}
.page-contact .contact-guidance__item p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(250, 250, 250, 0.75);
  margin: 0;
}
.page-contact .contact-guidance__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}
.page-contact .contact-guidance__img {
  border-radius: 6px;
  overflow: hidden;
}
.page-contact .contact-guidance__badge {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--color-gold);
  border-radius: 6px;
}
.page-contact .contact-guidance__badge .index-number {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-blue);
}
.page-contact .contact-guidance__badge p {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-blue);
  margin: 0;
}

/* ========== 反馈建议 ========== */
.page-contact .contact-feedback {
  display: grid;
  gap: 28px;
  padding: 40px 28px;
  background: var(--color-gray-light);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}
.page-contact .contact-feedback::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-red));
}
.page-contact .contact-feedback__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}
.page-contact .contact-feedback__copy h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 800;
  color: var(--color-black);
  margin: 0;
}
.page-contact .contact-feedback__copy p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-gray-dark);
  margin: 0;
  max-width: 56ch;
}
.page-contact .contact-feedback__aside {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--color-gray-mid);
}
.page-contact .contact-feedback__label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-gray-dark);
  margin: 0;
  letter-spacing: 1px;
}
.page-contact .contact-feedback__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.page-contact .contact-feedback__links a {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-blue);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s, color 0.2s;
}
.page-contact .contact-feedback__links a:hover {
  color: var(--color-red);
  border-color: var(--color-gold);
}

/* ========== 响应式增强 ========== */
@media (min-width: 700px) {
  .page-contact .contact-hero {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    padding-top: 56px;
    padding-bottom: 64px;
  }
  .page-contact .contact-hero__visual {
    min-height: 380px;
  }

  .page-contact .contact-channels {
    grid-template-columns: repeat(12, 1fr);
  }
  .page-contact .contact-card--mail {
    grid-column: span 7;
  }
  .page-contact .contact-card--phone {
    grid-column: span 5;
  }
  .page-contact .contact-card--add {
    grid-column: 1 / -1;
  }

  .page-contact .contact-guidance__grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 32px;
    align-items: start;
  }

  .page-contact .contact-feedback {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 40px;
    padding: 48px 40px;
  }
  .page-contact .contact-feedback__aside {
    padding-top: 0;
    padding-left: 32px;
    border-top: 0;
    border-left: 1px solid var(--color-gray-mid);
  }

  .page-contact .contact-image-one {
    margin-top: 28px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    gap: 56px;
  }
  .page-contact .contact-hero__visual {
    min-height: 420px;
  }
  .page-contact .contact-guidance__grid {
    gap: 48px;
  }
}