/* ============ 联系与合作 page-contact ============ */
.page-contact {
  --contact-panel: rgba(43, 15, 69, .72);
  --contact-panel-deep: rgba(20, 8, 32, .72);
}

/* ---- 首屏：联系方式 + 氛围图 ---- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: 1.5rem;
}

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

.page-contact .channels {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .channel {
  display: grid;
  gap: .4rem;
  padding: 1.15rem 1.35rem 1.3rem;
  border: 1px solid var(--line-gold-soft);
  border-left: 2px solid var(--c-gold);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--contact-panel), var(--contact-panel-deep));
  box-shadow: var(--shadow-1);
}

.page-contact .channel__label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 2.2vw, 1.3rem);
  font-weight: 500;
  color: var(--c-gold-bright);
  letter-spacing: .01em;
  overflow-wrap: anywhere;
  padding-bottom: .45rem;
  border-bottom: 1px dashed var(--line-gold);
  user-select: all;
}

.page-contact .channel__meta {
  font-size: .86rem;
  line-height: 1.65;
  color: var(--c-mauve);
}

.page-contact .channel-address {
  margin: 1.35rem 0 0;
  padding-left: 1rem;
  border-left: 1px solid var(--line-gold);
  font-size: .9rem;
  line-height: 1.7;
  color: var(--c-mauve);
}

.page-contact .contact-hero__aside {
  margin: 0;
  min-width: 0;
}

/* ---- 四步流程 ---- */
.page-contact .flow {
  position: relative;
  display: grid;
  gap: .85rem;
  margin-top: 2rem;
}

.page-contact .flow__step {
  border: 1px solid var(--line-gold-soft);
  border-radius: var(--radius-md);
  background: rgba(20, 8, 32, .62);
  overflow: hidden;
  transition: border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-contact .flow__step[open] {
  border-color: var(--line-gold);
  background: var(--contact-panel);
}

.page-contact .flow__summary {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--c-ivory);
}

.page-contact .flow__summary::-webkit-details-marker {
  display: none;
}

.page-contact .flow__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--c-gold);
}

.page-contact .flow__step[open] .flow__summary::after {
  content: "–";
}

.page-contact .flow__index {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-gold);
  background: rgba(20, 8, 32, .92);
  color: var(--c-gold-bright);
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .06em;
}

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

.page-contact .flow__body {
  padding: 0 1.15rem 1.2rem 4.35rem;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--c-mauve);
}

.page-contact .flow__body p {
  margin: 0;
}

/* ---- 服务时间 ---- */
.page-contact .hours-band {
  display: grid;
  gap: 1.75rem;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(43, 15, 69, .88), rgba(20, 8, 32, .96) 62%);
  border: 1px solid var(--line-gold-soft);
}

.page-contact .hours-band__intro h2 {
  margin: .35rem 0 .75rem;
}

.page-contact .hours-band__intro p {
  margin: 0;
  max-width: 48ch;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--c-mauve);
}

.page-contact .hours-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .85rem;
  margin: 0;
}

.page-contact .hours-stat {
  padding: .9rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(20, 58, 50, .48);
  border: 1px solid rgba(111, 210, 196, .22);
}

.page-contact .hours-stat dt {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--c-mauve);
}

.page-contact .hours-stat dd {
  margin: .4rem 0 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--c-ivory);
}

/* ---- 合作方向 ---- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  margin-top: 1.5rem;
}

.page-contact .partner-card {
  display: grid;
  gap: .6rem;
  align-content: start;
  padding: 1.3rem 1.35rem 1.45rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-gold-soft);
  background: rgba(20, 8, 32, .62);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-contact .partner-card[hidden] {
  display: none;
}

.page-contact .partner-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-gold);
}

.page-contact .partner-card--data {
  background: rgba(20, 58, 50, .5);
  border-color: rgba(111, 210, 196, .24);
}

.page-contact .partner-card--template {
  background: rgba(106, 22, 48, .34);
  border-color: rgba(191, 175, 208, .2);
}

.page-contact .partner-card--topic {
  background: linear-gradient(140deg, rgba(43, 15, 69, .82), rgba(20, 8, 32, .8));
}

.page-contact .partner-card__index {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--c-slate);
}

.page-contact .partner-card .card__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
}

.page-contact .partner-card .tag {
  justify-self: start;
  margin-top: .2rem;
}

.page-contact .partner-figure {
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
}

/* ---- 到访 + 准备清单 ---- */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.page-contact .visit-card h2,
.page-contact .prep h2 {
  margin: .35rem 0 .9rem;
}

.page-contact .visit-addr {
  margin: 0 0 1rem;
  padding: .95rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--line-gold);
  background: rgba(43, 15, 69, .45);
  font-family: var(--font-mono);
  font-size: .96rem;
  line-height: 1.7;
  color: var(--c-gold-bright);
  overflow-wrap: anywhere;
}

.page-contact .visit-text,
.page-contact .visit-note {
  margin: 0 0 .85rem;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--c-mauve);
}

.page-contact .visit-note {
  margin-bottom: 0;
  padding-left: .9rem;
  border-left: 1px solid var(--line-cool);
  font-size: .88rem;
}

.page-contact .prep-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-contact .prep-list li {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: .85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-cool);
  background: rgba(43, 15, 69, .42);
  font-size: .92rem;
  line-height: 1.72;
  color: var(--c-mauve);
}

.page-contact .prep-list li strong {
  color: var(--c-ivory);
  font-weight: 600;
}

.page-contact .prep-num {
  flex: none;
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--line-gold);
  color: var(--c-gold-bright);
  font-family: var(--font-mono);
  font-size: .78rem;
}

/* ---- 页脚前的延伸阅读 ---- */
.page-contact .contact-tail {
  display: grid;
  gap: 1.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line-gold-soft);
}

.page-contact .contact-tail__item h3 {
  margin: 0 0 .5rem;
  font-size: 1.05rem;
}

.page-contact .contact-tail__item p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--c-mauve);
}

.page-contact .contact-tail__item a {
  color: var(--c-gold-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .contact-tail__item a:hover {
  color: var(--c-ivory);
  border-color: var(--c-ivory);
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-contact .hours-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-tail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.75rem;
  }

  .page-contact .partner-figure .img-frame {
    max-width: 46rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-hero__aside {
    margin-top: 3.5rem;
  }

  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.35rem;
    align-items: start;
  }

  .page-contact .flow::before {
    content: "";
    position: absolute;
    top: 2.16rem;
    left: 7%;
    right: 7%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--line-gold), var(--line-gold), transparent);
  }

  .page-contact .flow__step {
    position: relative;
    z-index: 1;
  }

  .page-contact .flow__summary {
    padding: 1rem 1rem .85rem;
    font-size: .98rem;
  }

  .page-contact .flow__body {
    padding: 0 1rem 1.15rem;
  }

  .page-contact .hours-band {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 4vw, 3rem);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-contact .partner-card--content {
    grid-column: span 3;
  }

  .page-contact .partner-card--data {
    grid-column: span 3;
  }

  .page-contact .partner-card--template {
    grid-column: span 2;
  }

  .page-contact .partner-card--topic {
    grid-column: span 4;
  }
}