/* ================= 联系入口页 · page-contact ================= */

.page-contact {
  --contact-line: var(--color-mist);
  --contact-gold-soft: rgba(224, 184, 108, 0.28);
  --contact-paper: rgba(255, 255, 255, 0.76);
  position: relative;
  isolation: isolate;
  overflow-x: hidden;
}

/* ---- 后台纸媒纹理 ---- */
.page-contact .contact-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.page-contact .contact-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
}

.page-contact .contact-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 12%, rgba(224, 184, 108, 0.14), transparent 34%),
    linear-gradient(180deg, rgba(246, 248, 251, 0.94) 0%, rgba(246, 248, 251, 0.86) 42%, rgba(246, 248, 251, 0.96) 100%);
}

/* ---- 面包屑 ---- */
.page-contact .breadcrumbs {
  position: relative;
  z-index: 1;
  padding-top: 1.5rem;
}

/* ---- 首屏标题 ---- */
.page-contact .contact-hero {
  position: relative;
  z-index: 1;
  max-width: 52rem;
  padding: clamp(2.75rem, 7vw, 5rem) 0 2rem;
}

.page-contact .contact-hero__head {
  position: relative;
  padding-left: 0.875rem;
}

.page-contact .contact-hero__head::before {
  content: "";
  position: absolute;
  top: 0.35rem;
  bottom: 0.75rem;
  left: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--color-red), var(--color-gold));
}

.page-contact .display-title {
  margin-top: 0.65rem;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero .lede {
  max-width: 40rem;
  margin-top: 1.25rem;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.85;
  color: var(--color-night);
}

/* ---- 通讯录卡片 ---- */
.page-contact .contact-card {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: clamp(2rem, 5vw, 3.5rem) auto 0;
}

.page-contact .contact-card::before {
  content: "";
  display: none;
  pointer-events: none;
}

@media (min-width: 768px) {
  .page-contact .contact-card::before {
    display: block;
    position: absolute;
    inset: -8px -8px 0 8px;
    z-index: 0;
    background: rgba(246, 248, 251, 0.55);
    border: 1px solid var(--color-mist);
  }
}

.page-contact .contact-card__inner {
  position: relative;
  z-index: 1;
  padding: clamp(1.25rem, 3vw, 2.75rem);
  background: var(--contact-paper);
  border: 1px solid var(--color-gold);
  border-top-width: 3px;
  box-shadow: 0 30px 60px -30px rgba(31, 41, 55, 0.18);
}

.page-contact .contact-card__header {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding-bottom: 1.35rem;
  margin-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-gold);
}

.page-contact .contact-card__heading .section-title {
  margin-top: 0.3rem;
}

.page-contact .contact-card__time {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  align-self: flex-start;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--color-mist);
  background: rgba(246, 248, 251, 0.72);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--color-night);
}

.page-contact .contact-card__time::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gold);
}

/* ---- 联系条目 ---- */
.page-contact .contact-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--color-mist);
}

.page-contact .contact-item--response {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .contact-item__label {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-red);
  padding-top: 0.25rem;
}

.page-contact .contact-item__main {
  min-width: 0;
}

.page-contact .contact-item__value {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.125rem, 2.4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-night);
  overflow-wrap: break-word;
}

.page-contact .contact-item__value--link {
  color: var(--color-blue);
  text-decoration: underline;
  text-decoration-color: var(--color-gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
  user-select: all;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.page-contact .contact-item__value--link:hover,
.page-contact .contact-item__value--link:focus-visible {
  color: var(--color-red);
  text-decoration-color: var(--color-red);
  outline: none;
}

.page-contact .contact-item__meta {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--color-ash);
}

.page-contact .contact-item--response .contact-item__value {
  display: inline-block;
  padding: 0.45rem 1rem;
  background: linear-gradient(120deg, rgba(224, 184, 108, 0.2), rgba(224, 184, 108, 0.04));
  border: 1px solid var(--contact-gold-soft);
}

/* ---- 信封图与地理装饰 ---- */
.page-contact .contact-figure {
  max-width: 220px;
  margin: 0.5rem 0 0;
  padding: 0.375rem;
  border: 1px solid var(--color-mist);
  background: rgba(246, 248, 251, 0.82);
}

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

.page-contact .contact-geo {
  width: 84px;
  height: 84px;
  margin-top: 0.4rem;
  color: var(--color-gold);
  justify-self: start;
}

/* ---- 卡片脚注 ---- */
.page-contact .contact-card__footnote {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-mist);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--color-ash);
}

/* ---- 联系前了解 ---- */
.page-contact .contact-guide {
  position: relative;
  z-index: 1;
  padding: clamp(3rem, 6vw, 4.5rem) 0 clamp(3.5rem, 7vw, 5rem);
  margin-top: 2rem;
  border-top: 1px solid var(--color-mist);
}

.page-contact .contact-guide__head,
.page-contact .contact-guide__intro {
  max-width: 44rem;
}

.page-contact .contact-guide__head .section-title {
  margin-top: 0.4rem;
}

.page-contact .contact-guide__intro {
  margin-top: 1rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-night);
}

.page-contact .contact-guide__list {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

/* ---- 引导条目 ---- */
.page-contact .guide-entry {
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  gap: 0.25rem 0.875rem;
  align-items: start;
  padding: 1.15rem 1.25rem 1.15rem 1rem;
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid var(--color-mist);
  border-left: 3px solid var(--color-gold);
  color: var(--color-night);
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-contact .guide-entry:hover,
.page-contact .guide-entry:focus-visible {
  background: rgba(255, 255, 255, 0.92);
  border-color: var(--color-gold);
  border-left-color: var(--color-red);
  transform: translateY(-2px);
  outline: none;
}

.page-contact .guide-entry__index {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-ash);
}

.page-contact .guide-entry__body {
  min-width: 0;
}

.page-contact .guide-entry__body strong {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
}

.page-contact .guide-entry__body small {
  display: block;
  font-size: 0.825rem;
  line-height: 1.65;
  color: var(--color-ash);
}

.page-contact .guide-entry__arrow {
  font-size: 1.1rem;
  line-height: 1.2;
  color: var(--color-red);
}

/* ---- 焦点可见 ---- */
.page-contact .breadcrumbs a:focus-visible,
.page-contact .contact-item__value--link:focus-visible,
.page-contact .guide-entry:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 4px;
}

/* ---- 桌面端 ---- */
@media (min-width: 768px) {

  .page-contact .contact-card__header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .page-contact .contact-card__time {
    align-self: auto;
  }

  .page-contact .contact-item {
    grid-template-columns: 9rem minmax(0, 1fr) auto;
    align-items: start;
  }

  .page-contact .contact-item--phone,
  .page-contact .contact-item--response {
    grid-template-columns: 9rem minmax(0, 1fr);
  }

  .page-contact .contact-figure {
    width: 176px;
    max-width: none;
    margin: 0;
  }

  .page-contact .contact-geo {
    width: 96px;
    height: 96px;
    margin: 0;
    justify-self: end;
  }

  .page-contact .contact-guide__list {
    grid-template-columns: repeat(2, 1fr);
  }
}