.page-contact {
  --pc-sec-y: 44px;
  --pc-line: rgba(108, 106, 138, .28);
  --pc-card-bg: rgba(16, 24, 50, .72);
}

.page-contact .pc-context {
  padding: 20px 0 0;
}

.page-contact .pc-h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 5.4vw, 32px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.24;
  color: var(--mist);
}

.page-contact .pc-lead {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
  opacity: .86;
}

.page-contact .pc-sec {
  padding: var(--pc-sec-y) 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .pc-sec__head {
  margin-bottom: 26px;
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  padding: 24px 0 8px;
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: 24px;
}

.page-contact .pc-hero__body {
  order: 1;
}

.page-contact .pc-hero__media {
  order: 2;
  margin: 0;
}

.page-contact .pc-hero__media .media__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--night);
}

.page-contact .pc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact .pc-hero__media .media__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(152deg, rgba(47, 227, 210, .2), rgba(10, 14, 31, 0) 56%),
    linear-gradient(0deg, rgba(10, 14, 31, .62), rgba(10, 14, 31, 0) 48%);
}

.page-contact .pc-hero__media .media__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--silent);
}

.page-contact .pc-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 8.4vw, 56px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.025em;
  color: var(--mist);
}

.page-contact .pc-hero h1 em {
  font-style: normal;
  color: var(--cyan);
}

.page-contact .pc-hero__lead {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
  opacity: .88;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 合作方向 ---------- */

.page-contact .pc-directions__head {
  display: grid;
  gap: 24px;
  margin-bottom: 30px;
}

.page-contact .pc-directions__media {
  margin: 0;
}

.page-contact .pc-directions__media .media__frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--night);
}

.page-contact .pc-directions__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .pc-directions__media .media__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--silent);
}

.page-contact .pc-cards {
  display: grid;
  gap: 18px;
}

.page-contact .pc-card {
  display: flex;
  flex-direction: column;
  padding: 24px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--pc-card-bg);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-contact .pc-card:hover {
  border-color: var(--line-cyan);
  transform: translateY(-3px);
}

.page-contact .pc-card__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-contact .pc-card__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-contact .pc-card__for {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cyan);
}

.page-contact .pc-card__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--mist);
  opacity: .84;
}

.page-contact .pc-card__list {
  display: grid;
  gap: 9px;
  margin: 16px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px dashed var(--pc-line);
}

.page-contact .pc-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--silent);
}

.page-contact .pc-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-contact .pc-card__link {
  display: inline-block;
  margin-top: 18px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}

.page-contact .pc-card__link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 洽谈流程 ---------- */

.page-contact .pc-flow__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-contact .pc-flow__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-flow__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-contact .pc-flow__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.4;
  color: var(--mist);
}

.page-contact .pc-flow__body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--mist);
  opacity: .84;
}

.page-contact .pc-flow__time {
  grid-column: 2;
  justify-self: start;
  margin-top: 12px;
  padding: 4px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gold);
  border: 1px solid rgba(242, 179, 71, .34);
  border-radius: 999px;
}

/* ---------- 直接联系 ---------- */

.page-contact .pc-channels__grid {
  display: grid;
  gap: 16px;
}

.page-contact .pc-channel {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--pc-card-bg);
  transition: border-color .24s var(--ease);
}

.page-contact .pc-channel:hover {
  border-color: var(--line-cyan);
}

.page-contact .pc-channel__icon {
  display: block;
  color: var(--cyan);
}

.page-contact .pc-channel__tag {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--silent);
}

.page-contact .pc-channel__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-contact .pc-channel__value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.65;
  letter-spacing: .01em;
  color: var(--gold);
  word-break: break-word;
}

.page-contact .pc-channel__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist);
  opacity: .8;
}

.page-contact .pc-channels__note {
  margin: 20px 0 0;
  padding: 15px 17px;
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist);
  opacity: .84;
  background: rgba(14, 79, 83, .3);
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ---------- 提交前准备 ---------- */

.page-contact .pc-prep__grid {
  display: grid;
  gap: 26px;
}

.page-contact .pc-prep__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pcprep;
}

.page-contact .pc-prep__list li {
  position: relative;
  counter-increment: pcprep;
  padding: 18px 0 18px 46px;
  border-bottom: 1px dashed var(--pc-line);
}

.page-contact .pc-prep__list li:first-child {
  border-top: 1px dashed var(--pc-line);
}

.page-contact .pc-prep__list li::before {
  content: "0" counter(pcprep);
  position: absolute;
  left: 0;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-contact .pc-prep__list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-contact .pc-prep__list span {
  display: block;
  margin-top: 7px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--mist);
  opacity: .8;
}

.page-contact .pc-aside-card {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(122, 107, 196, .18), rgba(16, 24, 50, .88));
}

.page-contact .pc-aside-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-contact .pc-aside-card p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist);
  opacity: .84;
}

.page-contact .pc-inline-link {
  display: inline-block;
  margin-top: 16px;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 210, .4);
}

.page-contact .pc-inline-link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 常见合作问题 ---------- */

.page-contact .pc-faq__list {
  border-top: 1px solid var(--line-soft);
}

.page-contact .pc-faq__item {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-faq__item summary {
  position: relative;
  padding: 20px 46px 20px 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}

.page-contact .pc-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-faq__item summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: color .2s var(--ease);
}

.page-contact .pc-faq__item[open] summary::after {
  content: "–";
}

.page-contact .pc-faq__item[open] summary {
  color: var(--cyan);
}

.page-contact .pc-faq__item p {
  margin: 0 0 22px;
  max-width: 78ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  opacity: .84;
}

.page-contact .pc-tail {
  margin: 28px 0 0;
  padding-top: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silent);
  border-top: 1px dashed var(--pc-line);
}

.page-contact .pc-tail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 210, .36);
}

.page-contact .pc-tail a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact > .pc-sec:last-of-type {
  padding-bottom: 64px;
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-contact .pc-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact {
    --pc-sec-y: 68px;
  }

  .page-contact .pc-hero {
    padding: 40px 0 20px;
  }

  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 5.4fr) minmax(0, 6fr);
    gap: 52px;
    align-items: center;
  }

  .page-contact .pc-hero__media {
    order: 1;
  }

  .page-contact .pc-hero__body {
    order: 2;
  }

  .page-contact .pc-directions__head {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
    align-items: center;
    margin-bottom: 40px;
  }

  .page-contact .pc-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-contact .pc-card--b {
    margin-top: 42px;
  }

  .page-contact .pc-card--c {
    margin-top: 84px;
  }

  .page-contact .pc-flow__item {
    grid-template-columns: 64px minmax(0, 1fr) 190px;
    gap: 14px 26px;
    padding: 26px 0;
    align-items: start;
  }

  .page-contact .pc-flow__time {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    margin-top: 3px;
  }

  .page-contact .pc-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .pc-prep__aside {
    margin-top: 58px;
  }
}

@media (min-width: 1180px) {
  .page-contact .pc-channels__grid {
    gap: 22px;
  }

  .page-contact .pc-channel {
    padding: 28px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-card,
  .page-contact .pc-channel,
  .page-contact .pc-card__link,
  .page-contact .pc-inline-link,
  .page-contact .pc-faq__item summary::after {
    transition: none;
  }

  .page-contact .pc-card:hover {
    transform: none;
  }
}