/* ==========================================
   page-contact · 联系通道专属样式
   移动端优先，桌面端通过 min-width 适配
   ========================================== */
.page-contact {
  background: var(--color-cream);
}

/* ---------- Hero 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-deep);
  background-image:
    linear-gradient(rgba(180, 243, 66, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(180, 243, 66, 0.07) 1px, transparent 1px);
  background-size: 32px 32px;
  padding: 32px 0 60px;
  border-bottom: 4px solid var(--color-neon);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 56px;
  height: 56px;
  background: linear-gradient(225deg, var(--color-alert) 50%, transparent 50%);
}

.page-contact .contact-hero .crumb {
  margin-bottom: 42px;
}

.page-contact .contact-hero .crumb a {
  color: #C6D1DD;
  text-decoration: none;
  border-bottom: 1px solid rgba(180, 243, 66, 0.5);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-hero .crumb a:hover {
  color: var(--color-neon);
  border-bottom-color: var(--color-neon);
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-contact .contact-hero__content .section-index {
  color: var(--color-neon);
}

.page-contact .contact-hero__content .page-title {
  color: var(--color-cream);
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 8vw, 4.8rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
}

.page-contact .contact-hero__content .lead {
  margin: 0;
  max-width: 46ch;
  color: #C6D1DD;
  font-size: 15px;
  line-height: 1.7;
  border-left: 3px solid var(--color-neon);
  padding-left: 14px;
}

.page-contact .contact-hero__visual {
  border: 3px solid var(--color-cream);
  box-shadow: 8px 8px 0 rgba(180, 243, 66, 0.35);
}

.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 通讯录大卡片 ---------- */
.page-contact .contact-directory {
  padding: 60px 0 20px;
}

.page-contact .contact-directory__card {
  position: relative;
  background: var(--color-cream);
  border: 4px solid var(--color-ink);
  box-shadow: var(--shadow-card);
  padding: 28px 16px 22px;
}

.page-contact .directory-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}

.page-contact .directory-item {
  display: block;
  background: #FFFFFF;
  border: 2px solid var(--color-ink);
  padding: 18px 16px;
  color: var(--color-ink);
  text-decoration: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-contact .directory-item--email {
  border-left: 6px solid var(--color-neon);
}

.page-contact .directory-item--phone {
  border-left: 6px solid var(--color-alert);
}

.page-contact .directory-item--address {
  border-left: 6px solid var(--color-steel);
}

.page-contact .directory-item--hours {
  border-left: 6px solid var(--color-deep);
}

.page-contact .directory-item:hover {
  border-color: var(--color-neon);
  box-shadow: 6px 6px 0 var(--color-neon);
  transform: translate(-2px, -2px);
}

.page-contact .directory-item__label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-steel);
  margin-bottom: 10px;
}

.page-contact .directory-item__value {
  font-family: var(--font-data);
  font-size: clamp(1.12rem, 3.4vw, 1.6rem);
  font-weight: 700;
  line-height: 1.35;
  word-break: break-all;
}

.page-contact .directory-item__action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 10px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-steel);
  border-top: 1px solid var(--color-line);
}

/* ---------- 地址与地图 ---------- */
.page-contact .contact-location {
  padding: 44px 0 16px;
}

.page-contact .contact-location__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
  background: #FFFFFF;
  border: 3px solid var(--color-ink);
  box-shadow: var(--shadow-sm);
  padding: 20px 16px;
}

.page-contact .contact-location__image {
  border: 2px solid var(--color-line);
}

.page-contact .contact-location__image img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .contact-location__content .section-index {
  color: var(--color-steel);
}

.page-contact .contact-location__content .section-title {
  margin: 8px 0 14px;
}

.page-contact .contact-location__content p {
  margin-bottom: 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-ink);
}

.page-contact .contact-location__link {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-neon);
  text-decoration: none;
  border-bottom: 2px solid var(--color-neon);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-location__link:hover {
  color: var(--color-deep);
  border-bottom-color: var(--color-deep);
}

/* ---------- 联系方式使用说明 ---------- */
.page-contact .contact-usage {
  padding: 44px 0 16px;
}

.page-contact .usage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 26px;
}

.page-contact .usage-item {
  background: var(--color-cream);
  border: 2px solid var(--color-ink);
  border-top: 6px solid var(--color-deep);
  box-shadow: 8px 8px 0 var(--color-carbon);
  padding: 20px 16px;
  transition: transform 0.2s ease;
}

.page-contact .usage-item:hover {
  transform: translate(-2px, -2px);
}

.page-contact .usage-item__num {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-neon);
  background: var(--color-carbon);
  padding: 4px 10px;
  margin-bottom: 12px;
}

.page-contact .usage-item h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-ink);
}

.page-contact .usage-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #2B2A28;
}

/* ---------- 邮件引导区 ---------- */
.page-contact .contact-guide {
  padding: 46px 0 24px;
}

.page-contact .contact-guide__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
  background: var(--color-deep);
  border: 3px solid var(--color-ink);
  box-shadow: 12px 12px 0 var(--color-neon);
  padding: 28px 18px;
}

.page-contact .contact-guide__text .section-index {
  color: var(--color-neon);
}

.page-contact .contact-guide__text .section-title {
  margin: 8px 0 12px;
  color: var(--color-cream);
}

.page-contact .contact-guide__text p {
  margin: 0 0 12px;
  max-width: 60ch;
  color: #C6D1DD;
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .contact-guide__text p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-guide__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 相关索引 ---------- */
.page-contact .contact-index {
  padding: 36px 0 64px;
}

.page-contact .contact-index__label {
  margin-bottom: 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-steel);
}

.page-contact .contact-index__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}

.page-contact .contact-index__links a {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding: 4px 0 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-index__links a:hover {
  color: var(--color-deep);
  border-bottom-color: var(--color-neon);
}

/* ==========================================
   桌面端适配
   ========================================== */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    padding: 44px 0 76px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
  }

  .page-contact .contact-directory__card {
    padding: 32px 24px 26px;
  }

  .page-contact .directory-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-contact .contact-location__grid {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 30px;
    padding: 26px 24px;
  }

  .page-contact .usage-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .page-contact .contact-guide__inner {
    grid-template-columns: 1.2fr 0.8fr;
    padding: 32px 28px;
  }

  .page-contact .contact-index__links {
    gap: 12px 28px;
  }
}

@media (min-width: 1100px) {
  .page-contact .directory-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 极窄屏阴影收缩 */
@media (max-width: 380px) {
  .page-contact .contact-directory__card {
    box-shadow: 8px 8px 0 var(--color-deep);
  }

  .page-contact .contact-guide__inner {
    box-shadow: 8px 8px 0 var(--color-neon);
  }
}