/* ===== 联络我们 / page-contact ===== */

.page-contact {
  --pc-card-line: rgba(255, 122, 26, 0.9);
  --pc-hair: rgba(201, 230, 216, 0.28);
  --pc-ink-soft: #3B4A44;
  background: var(--night);
  color: var(--edge);
  overflow-x: hidden;
}

.page-contact .contact-crumb {
  padding-top: 22px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-intro {
  padding-top: 10px;
}

.page-contact .contact-intro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

.page-contact .contact-intro__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 8vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--paper);
  margin: 16px 0 0;
  max-width: 14ch;
}

.page-contact .contact-intro__lead {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  color: var(--edge);
  max-width: 620px;
  margin: 20px 0 0;
}

.page-contact .contact-intro__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
  max-width: 620px;
}

.page-contact .contact-intro__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--grey);
}

.page-contact .contact-intro__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 11px;
  height: 11px;
  border-left: 2px solid var(--arc);
  border-bottom: 2px solid var(--arc);
  border-radius: 0 0 0 11px;
}

.page-contact .contact-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-intro__media {
  margin: 0;
}

.page-contact .contact-intro__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-intro__media .media__caption {
  margin-top: 10px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
}

/* ---------- 三条通道 ---------- */

.page-contact .contact-channels-wrap {
  padding-top: 6px;
}

.page-contact .contact-channels__heading {
  font-family: var(--font-index);
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--grey);
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: var(--rule);
}

.page-contact .contact-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .contact-channel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--paper);
  color: var(--night);
  border: 1px solid var(--pc-card-line);
  box-shadow: 6px 6px 0 rgba(7, 19, 34, 0.55);
  padding: 22px 20px 24px;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.page-contact .contact-channel:hover {
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 rgba(7, 19, 34, 0.6);
}

.page-contact .contact-channel__tag {
  align-self: flex-start;
  font-family: var(--font-index);
  font-size: 11.5px;
  letter-spacing: 0.09em;
  color: var(--night);
  background: var(--fluo);
  padding: 4px 9px;
  border-radius: 1px;
}

.page-contact .contact-channel__value {
  font-family: var(--font-index);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--night);
  word-break: break-all;
  margin: 0;
}

.page-contact .contact-channel__value--num {
  font-family: var(--font-display);
  font-size: clamp(26px, 6vw, 33px);
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--night);
}

.page-contact .contact-channel__value--addr {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  word-break: normal;
}

.page-contact .contact-channel__role {
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--pc-ink-soft);
  margin: 0;
}

.page-contact .contact-channel__note {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-ink-soft);
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(12, 31, 25, 0.3);
}

/* ---------- 流程刻度 ---------- */

.page-contact .contact-flow {
  background: var(--turf);
  border-top: var(--rule);
  border-bottom: var(--rule);
}

.page-contact .contact-flow__lead {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--edge);
  max-width: 640px;
  margin: 16px 0 0;
}

.page-contact .contact-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 38px;
  margin-top: 30px;
}

.page-contact .contact-group {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: clamp(19px, 4.6vw, 25px);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper);
  margin: 40px 0 14px;
}

.page-contact .contact-group:first-child {
  margin-top: 0;
}

.page-contact .contact-group__flag {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  border-left: 2px solid var(--arc);
  border-bottom: 2px solid var(--arc);
  border-radius: 0 0 0 15px;
}

.page-contact .contact-steps {
  position: relative;
}

.page-contact .contact-steps::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, rgba(217, 255, 75, 0.62), rgba(46, 107, 82, 0.25));
}

.page-contact .contact-step {
  position: relative;
  padding-left: 44px;
}

.page-contact .contact-step::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 16px;
  box-sizing: border-box;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--night);
  border: 2px solid var(--fluo);
  transition: background 180ms ease;
}

.page-contact .contact-step[open]::before {
  background: var(--fluo);
}

.page-contact .contact-step__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0 12px;
  cursor: pointer;
  list-style: none;
  border-bottom: 1px solid var(--pc-hair);
}

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

.page-contact .contact-step__num {
  flex: 0 0 auto;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fluo);
}

.page-contact .contact-step__name {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .contact-step__summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-index);
  font-size: 15px;
  color: var(--grey);
}

.page-contact .contact-step[open] .contact-step__summary::after {
  content: "–";
  color: var(--arc);
}

.page-contact .contact-step__body {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--edge);
  max-width: 640px;
  padding: 12px 0 18px;
}

.page-contact .contact-step__link {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-index);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--fluo);
  border-bottom: 1px solid rgba(217, 255, 75, 0.5);
  text-decoration: none;
}

.page-contact .contact-step__link:hover {
  color: var(--arc);
  border-bottom-color: var(--arc);
}

.page-contact .contact-flow__aside {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-contact .contact-flow__aside img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-flow__aside .media__caption {
  margin-top: 10px;
  font-family: var(--font-index);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--grey);
}

.page-contact .contact-flow__plate .plate__body {
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .contact-flow__link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-index);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--night);
  border-bottom: 1px solid rgba(12, 31, 25, 0.45);
  text-decoration: none;
}

.page-contact .contact-flow__link:hover {
  border-bottom-color: var(--arc);
  color: var(--arc);
}

/* ---------- 对外合作 ---------- */

.page-contact .contact-partner__lead {
  margin-top: 16px;
}

.page-contact .contact-partner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 30px;
}

.page-contact .contact-partner__item {
  border-left: 2px solid var(--arc);
  padding: 4px 0 4px 18px;
}

.page-contact .contact-partner__name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
  margin: 12px 0 8px;
}

.page-contact .contact-partner__item p {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--edge);
  margin: 0;
  max-width: 52ch;
}

/* ---------- 回复节奏 ---------- */

.page-contact .contact-reply {
  background: var(--deep);
  border-top: var(--rule);
}

.page-contact .contact-reply__lead {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--edge);
  max-width: 640px;
  margin: 16px 0 0;
}

.page-contact .contact-rhythm {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 30px;
}

.page-contact .contact-rhythm__item {
  background: rgba(23, 64, 47, 0.55);
  border-top: 2px solid var(--fluo);
  padding: 20px 18px 24px;
}

.page-contact .contact-rhythm__clock {
  display: block;
  font-family: var(--font-index);
  font-size: 26px;
  letter-spacing: 0.05em;
  color: var(--fluo);
}

.page-contact .contact-rhythm__item h3 {
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 800;
  color: var(--paper);
  margin: 12px 0 8px;
}

.page-contact .contact-rhythm__item p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.78;
  color: var(--edge);
  margin: 0;
}

.page-contact .contact-reply__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: var(--rule);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .contact-partner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-intro__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: center;
  }

  .page-contact .contact-intro__media img {
    min-height: 340px;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-channel {
    transition: none;
  }

  .page-contact .contact-channel:hover {
    transform: none;
  }
}
</main>