.page-contact {
  --pc-line: rgba(200, 205, 212, .16);
  --pc-line-soft: rgba(200, 205, 212, .09);
  --pc-rule: rgba(53, 224, 208, .32);
  --pc-text-soft: rgba(244, 247, 250, .74);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-cn);
  overflow-x: hidden;
  padding-bottom: 8px;
}

.page-contact * {
  box-sizing: border-box;
}

.page-contact .wrap {
  max-width: var(--wrap);
  margin-inline: auto;
}

.page-contact .mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  position: relative;
  padding: 22px 0 0;
  border-bottom: 1px solid var(--pc-line);
  background:
    radial-gradient(120% 88% at 86% -14%, rgba(78, 127, 184, .26), transparent 62%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 76%);
}

.page-contact .breadcrumb {
  margin-bottom: 18px;
  font-size: 12.5px;
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .breadcrumb__link {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

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

.page-contact .breadcrumb__sep {
  color: rgba(200, 205, 212, .45);
}

.page-contact .breadcrumb__current {
  color: var(--paper);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: 26px;
  padding-top: 6px;
}

.page-contact .pc-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .pc-hero__eyebrow-mark {
  display: inline-block;
  padding: 2px 7px;
  border-radius: var(--radius);
  background: var(--cyan);
  color: var(--ink);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-contact .pc-hero__title {
  margin: 16px 0 0;
  font-size: clamp(30px, 7.2vw, 56px);
  line-height: 1.07;
  font-weight: 800;
  letter-spacing: -.02em;
}

.page-contact .pc-hero__lede {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--pc-text-soft);
}

.page-contact .pc-hero__facts {
  border: 1px solid var(--pc-line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: rgba(18, 38, 61, .72);
  padding: 18px 20px 20px;
}

.page-contact .pc-facts__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-contact .pc-facts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .pc-fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 11px;
  border-bottom: 1px dashed var(--pc-line-soft);
}

.page-contact .pc-fact:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .pc-fact__k {
  font-size: 13px;
  color: var(--silver);
}

.page-contact .pc-fact__v {
  font-size: 17px;
  color: var(--orange);
  white-space: nowrap;
}

.page-contact .pc-hero__figure {
  margin: 30px 0 0;
  border: 1px solid var(--pc-line);
  border-top-width: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
  background: var(--ink-2);
}

.page-contact .pc-hero__figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 2;
  object-fit: cover;
  filter: saturate(.85);
}

/* ---------- 章节标题 ---------- */

.page-contact .pc-sec__head {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.page-contact .pc-sec__index {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .2em;
  color: var(--orange);
}

.page-contact .pc-sec__title {
  margin: 0;
  font-size: clamp(21px, 4.4vw, 33px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -.02em;
}

.page-contact .pc-sec__note {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pc-text-soft);
}

/* ---------- 问题分流 ---------- */

.page-contact .pc-triage {
  padding: 58px 0 0;
}

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

.page-contact .triage__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

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

.page-contact .triage__rail {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .triage__tab {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 12px;
  padding: 14px 16px;
  border: 1px solid var(--pc-line);
  border-left: 3px solid transparent;
  border-radius: var(--radius);
  background: var(--ink-2);
  cursor: pointer;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .triage__tab-code {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--silver);
}

.page-contact .triage__tab-name {
  grid-column: 2;
  grid-row: 1;
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
  transition: color .2s var(--ease);
}

.page-contact .triage__tab-hint {
  grid-column: 2;
  grid-row: 2;
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(200, 205, 212, .78);
}

.page-contact .triage__tab:hover {
  border-color: rgba(53, 224, 208, .34);
  background: var(--hover);
}

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

.page-contact .triage__panel {
  display: none;
  gap: 18px;
  padding: 20px 18px 22px;
  border: 1px solid var(--pc-line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--ink-2);
}

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

.page-contact .triage__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--batik);
}

.page-contact .triage__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .triage__sub {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--pc-text-soft);
}

.page-contact .triage__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(244, 247, 250, .84);
}

.page-contact .triage__list li::marker {
  color: var(--orange);
}

.page-contact .triage__time {
  margin: 0;
  padding: 12px 14px;
  border-left: 3px solid var(--cyan);
  background: rgba(53, 224, 208, .06);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--paper);
}

.page-contact .pc-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pc-rule);
  transition: border-color .18s var(--ease);
}

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

.page-contact #pc-q1:checked ~ .triage__grid .triage__panel--1,
.page-contact #pc-q2:checked ~ .triage__grid .triage__panel--2,
.page-contact #pc-q3:checked ~ .triage__grid .triage__panel--3,
.page-contact #pc-q4:checked ~ .triage__grid .triage__panel--4 {
  display: grid;
}

.page-contact #pc-q1:checked ~ .triage__grid .triage__tab:nth-child(1),
.page-contact #pc-q2:checked ~ .triage__grid .triage__tab:nth-child(2),
.page-contact #pc-q3:checked ~ .triage__grid .triage__tab:nth-child(3),
.page-contact #pc-q4:checked ~ .triage__grid .triage__tab:nth-child(4) {
  border-color: rgba(255, 122, 41, .55);
  border-left-color: var(--orange);
  background: var(--hover);
}

.page-contact #pc-q1:checked ~ .triage__grid .triage__tab:nth-child(1) .triage__tab-name,
.page-contact #pc-q2:checked ~ .triage__grid .triage__tab:nth-child(2) .triage__tab-name,
.page-contact #pc-q3:checked ~ .triage__grid .triage__tab:nth-child(3) .triage__tab-name,
.page-contact #pc-q4:checked ~ .triage__grid .triage__tab:nth-child(4) .triage__tab-name {
  color: var(--orange);
}

.page-contact #pc-q1:focus-visible ~ .triage__grid .triage__tab:nth-child(1),
.page-contact #pc-q2:focus-visible ~ .triage__grid .triage__tab:nth-child(2),
.page-contact #pc-q3:focus-visible ~ .triage__grid .triage__tab:nth-child(3),
.page-contact #pc-q4:focus-visible ~ .triage__grid .triage__tab:nth-child(4) {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 联系方式 ---------- */

.page-contact .pc-channels {
  padding: 58px 0 0;
}

.page-contact .pc-chan-grid {
  display: grid;
  gap: 14px;
}

.page-contact .pc-chan {
  position: relative;
  overflow: hidden;
  padding: 20px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(18, 38, 61, .96), rgba(11, 26, 43, .96));
}

.page-contact .pc-chan__k {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--silver);
}

.page-contact .pc-chan__v {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 16px;
  line-height: 1.55;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-chan__v--cn {
  font-family: var(--font-cn);
  letter-spacing: 0;
  color: var(--paper);
}

.page-contact .pc-chan__note {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--pc-text-soft);
}

.page-contact .pc-chan__stamp {
  position: absolute;
  right: -22px;
  bottom: -22px;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 1px dashed rgba(78, 127, 184, .5);
  background:
    radial-gradient(circle at 50% 50%, rgba(78, 127, 184, .22) 0 26%, transparent 27%),
    repeating-conic-gradient(from 0deg, rgba(78, 127, 184, .3) 0 6deg, transparent 6deg 24deg);
  opacity: .55;
  pointer-events: none;
}

/* ---------- 四步流程 ---------- */

.page-contact .pc-flow {
  padding: 58px 0 0;
}

.page-contact .pc-steps {
  display: grid;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-step {
  position: relative;
  padding-top: 18px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .pc-step__no {
  margin: 0;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-contact .pc-step__title {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .pc-step__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-text-soft);
}

.page-contact .pc-flow__figure {
  margin: 30px 0 0;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

.page-contact .pc-flow__figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(.85);
}

/* ---------- 材料准备 ---------- */

.page-contact .pc-prep {
  padding: 58px 0 0;
}

.page-contact .pc-prep__grid {
  display: grid;
  gap: 14px;
}

.page-contact .pc-prep__item {
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: rgba(18, 38, 61, .58);
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .pc-prep__item:hover {
  border-color: rgba(53, 224, 208, .34);
  background: var(--hover);
}

.page-contact .pc-prep__no {
  display: block;
  font-size: 26px;
  line-height: 1;
  color: rgba(53, 224, 208, .55);
}

.page-contact .pc-prep__title {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .pc-prep__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-text-soft);
}

/* ---------- 合作 ---------- */

.page-contact .pc-coop {
  padding: 58px 0 0;
}

.page-contact .pc-coop__grid {
  display: grid;
  gap: 14px;
}

.page-contact .pc-coop__item {
  padding: 20px;
  border: 1px solid var(--pc-line);
  border-left: 3px solid var(--batik);
  border-radius: var(--radius);
  background: rgba(18, 38, 61, .55);
}

.page-contact .pc-coop__tag {
  display: inline-block;
  margin: 0;
  padding: 3px 9px;
  border: 1px solid rgba(78, 127, 184, .6);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--batik);
}

.page-contact .pc-coop__title {
  margin: 14px 0 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .pc-coop__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-text-soft);
}

.page-contact .pc-coop__how {
  margin-top: 18px;
  padding: 20px;
  border: 1px solid rgba(255, 122, 41, .34);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(255, 122, 41, .09), rgba(11, 26, 43, .3));
}

.page-contact .pc-coop__how-k {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .pc-coop__how-v {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--paper);
}

/* ---------- 下一步 ---------- */

.page-contact .pc-next {
  padding: 58px 0 72px;
}

.page-contact .pc-next__bar {
  display: grid;
  gap: 18px;
  padding: 22px 20px;
  border: 1px solid var(--pc-line);
  border-top: 2px solid var(--orange);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-contact .pc-next__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pc-text-soft);
}

.page-contact .pc-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .pc-next__links .btn {
  min-width: 96px;
  text-align: center;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .pc-prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .pc-hero {
    padding-top: 30px;
  }

  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(268px, .85fr);
    gap: 52px;
    align-items: end;
    padding-top: 14px;
  }

  .page-contact .pc-hero__figure {
    margin-top: 40px;
  }

  .page-contact .pc-triage,
  .page-contact .pc-channels,
  .page-contact .pc-flow,
  .page-contact .pc-prep,
  .page-contact .pc-coop {
    padding-top: 76px;
  }

  .page-contact .pc-next {
    padding: 76px 0 88px;
  }

  .page-contact .triage__grid {
    grid-template-columns: 286px minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

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

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

  .page-contact .pc-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 26px;
  }

  .page-contact .pc-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: -1px;
    right: -26px;
    width: 26px;
    border-top: 1px dashed var(--pc-rule);
  }

  .page-contact .pc-next__bar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    padding: 26px 28px;
  }

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

@media (min-width: 1120px) {
  .page-contact .pc-sec__head {
    margin-bottom: 28px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .triage__tab,
  .page-contact .triage__tab-name,
  .page-contact .breadcrumb__link,
  .page-contact .pc-prep__item,
  .page-contact .pc-inline-link {
    transition: none;
  }
}