.page-contact {
  --pc-gap: clamp(18px, 3vw, 30px);
  --pc-line-soft: rgba(220, 211, 192, .14);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.04;
  color: var(--paper);
  margin: 12px 0 0;
}

.page-contact h1 {
  font-size: clamp(32px, 6.6vw, 68px);
  max-width: 19ch;
}

.page-contact h2 {
  font-size: clamp(25px, 3.4vw, 42px);
  max-width: 22ch;
}

.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 10px 0 0;
}

.page-contact p {
  font-family: var(--font-body);
  line-height: 1.8;
}

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

/* ---------- hero ---------- */

.page-contact .pc-hero {
  padding-top: clamp(20px, 4vw, 48px);
}

.page-contact .pc-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
  align-items: end;
  margin-top: clamp(24px, 4vw, 44px);
}

.page-contact .pc-hero__intro {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.5vw, 17px);
  color: var(--paper-2);
}

.page-contact .pc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .pc-hero__media .img-frame {
  border: 1px solid var(--pc-line-soft);
}

/* ---------- 三条路径 ---------- */

.page-contact .pc-routes__head {
  max-width: 58ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .pc-routes__head .note {
  margin-top: 14px;
  display: block;
  max-width: 52ch;
  color: var(--muted);
}

.page-contact .pc-route-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .pc-route {
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--pc-line-soft);
  border-top: 2px solid var(--cyan);
  padding: clamp(22px, 2.6vw, 32px);
}

.page-contact .pc-route--data {
  border-top-color: var(--orange);
}

.page-contact .pc-route--partner {
  border-top-color: var(--lime);
}

.page-contact .pc-route__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0;
}

.page-contact .pc-route--data .pc-route__no {
  color: var(--orange);
}

.page-contact .pc-route--partner .pc-route__no {
  color: var(--lime);
}

.page-contact .pc-route h3 {
  font-size: clamp(18px, 1.8vw, 21px);
  line-height: 1.4;
  max-width: 20ch;
}

.page-contact .pc-route > p:not(.pc-route__no):not(.pc-route__foot) {
  margin: 14px 0 0;
  font-size: 15px;
  color: var(--paper-2);
}

.page-contact .pc-route__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .pc-route__list li {
  position: relative;
  padding: 11px 0 11px 18px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .pc-route__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 7px;
  height: 1px;
  background: var(--cyan-deep);
}

.page-contact .pc-route--data .pc-route__list li::before {
  background: var(--orange);
}

.page-contact .pc-route--partner .pc-route__list li::before {
  background: var(--lime);
}

.page-contact .pc-route__foot {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .pc-route--data .pc-route__foot {
  color: var(--orange);
}

.page-contact .pc-route--partner .pc-route__foot {
  color: var(--lime);
}

@media (min-width: 900px) {
  .page-contact .pc-route-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: clamp(20px, 2.4vw, 30px);
  }

  .page-contact .pc-route--data {
    margin-top: clamp(26px, 4vw, 58px);
  }

  .page-contact .pc-route--partner {
    margin-top: clamp(52px, 8vw, 116px);
  }
}

/* ---------- 联系方式 ---------- */

.page-contact .pc-reach__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .pc-reach__lead p {
  margin: 16px 0 0;
  max-width: 40ch;
  font-size: 15px;
  color: var(--paper-2);
}

.page-contact .pc-lines {
  margin: 0;
  border-top: 1px solid rgba(75, 227, 200, .22);
}

.page-contact .pc-line {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2vw, 24px) 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .pc-line dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .pc-line dd {
  margin: 0;
  min-width: 0;
}

.page-contact .pc-line__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.7vw, 19px);
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .pc-line__note {
  display: block;
  margin-top: 8px;
  max-width: 56ch;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-contact .pc-reach__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-contact .pc-reach__lead {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .pc-line {
    grid-template-columns: minmax(0, 150px) minmax(0, 1fr);
    gap: clamp(16px, 3vw, 44px);
    align-items: baseline;
  }
}

/* ---------- 数据问题 ---------- */

.page-contact .pc-data__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 52px);
}

.page-contact .pc-data__inner .prose p {
  color: var(--paper-2);
  font-size: 16px;
}

.page-contact .pc-data__aside {
  border-left: 2px solid var(--orange);
  padding-left: clamp(16px, 2.4vw, 24px);
}

.page-contact .pc-data__aside .idx {
  color: var(--orange);
}

.page-contact .pc-aside__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-contact .pc-aside__list li {
  padding: 9px 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-2);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .pc-data__tip {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-contact .pc-data__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(36px, 6vw, 92px);
    align-items: start;
  }

  .page-contact .pc-data__aside {
    margin-top: clamp(24px, 4vw, 56px);
  }
}

/* ---------- 合作与授权 ---------- */

.page-contact .pc-partner__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 52px);
}

.page-contact .pc-partner__lead p {
  margin: 16px 0 0;
  max-width: 42ch;
  font-size: 15px;
  color: var(--paper-2);
}

.page-contact .pc-partner__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .pc-partner__list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .pc-partner__list li:last-child {
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .pc-partner__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-deep);
  padding-top: 4px;
}

.page-contact .pc-partner__list h3 {
  font-size: 17px;
  margin: 0;
}

.page-contact .pc-partner__list p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-contact .pc-partner__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(36px, 5vw, 84px);
    align-items: start;
  }
}

/* ---------- 回复节奏 ---------- */

.page-contact .pc-flow__bar {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pc-line-soft);
  border-top: 1px solid rgba(75, 227, 200, .24);
  border-bottom: 1px solid rgba(75, 227, 200, .24);
}

.page-contact .pc-flow__bar li {
  background: var(--ink-800);
  padding: clamp(20px, 2.6vw, 30px) clamp(18px, 2.2vw, 26px);
}

.page-contact .pc-flow__bar .idx {
  color: var(--cyan);
}

.page-contact .pc-flow__bar h3 {
  font-size: 18px;
  margin: 12px 0 0;
}

.page-contact .pc-flow__bar p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .pc-flow__note {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(32px, 5vw, 56px);
  align-items: center;
}

.page-contact .pc-flow__media .img-frame {
  border: 1px solid var(--pc-line-soft);
}

.page-contact .pc-flow__text .note {
  display: block;
  color: var(--paper-2);
  line-height: 1.8;
  margin-bottom: 14px;
}

.page-contact .pc-flow__text p:last-child {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

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

@media (min-width: 900px) {
  .page-contact .pc-flow__note {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 76px);
  }
}

/* ---------- 收尾 ---------- */

.page-contact .pc-cta__box {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  align-items: center;
  padding: clamp(26px, 4vw, 44px) clamp(22px, 3vw, 40px);
  border: 1px solid var(--pc-line-soft);
  border-left: 3px solid var(--orange);
  background: var(--ink-800);
}

.page-contact .pc-cta__box h2 {
  font-size: clamp(22px, 2.6vw, 32px);
  margin: 0;
}

.page-contact .pc-cta__box p {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 15px;
  color: var(--paper-2);
}

.page-contact .pc-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 860px) {
  .page-contact .pc-cta__box {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-contact .pc-cta__actions {
    justify-content: flex-end;
    flex-wrap: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-hero__media .img-frame,
  .page-contact .pc-flow__media .img-frame {
    transition: none;
  }
}