.page-contact {
  --pc-warm: #FBEFE3;
  --pc-body: #3F4653;
  background: var(--paper);
  color: var(--ink);
}

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

.page-contact .breadcrumb {
  font-size: 13px;
  letter-spacing: .02em;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-bottom: 8px;
}

.page-contact .pc-hero__head {
  padding-top: 16px;
  padding-bottom: 30px;
}

.page-contact .pc-hero h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--navy-900);
}

.page-contact .pc-lede {
  max-width: 640px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--pc-body);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: 26px;
  padding-bottom: 52px;
}

/* 准备清单 */
.page-contact .pc-checklist {
  padding: 26px 22px 24px;
  border: 3px solid var(--navy-900);
  background: var(--paper);
  box-shadow: var(--hard-shadow);
}

.page-contact .pc-checklist__no {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-contact .pc-checklist__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.32;
  color: var(--navy-900);
}

.page-contact .pc-checklist__hint {
  margin-bottom: 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--grey);
}

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

.page-contact .pc-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px dashed var(--line);
  cursor: pointer;
}

.page-contact .pc-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .pc-check__box {
  position: relative;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 2px solid var(--navy-700);
  background: #fff;
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .pc-check__box::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  opacity: 0;
  transition: opacity .18s var(--ease);
}

.page-contact .pc-check__input:checked + .pc-check__box {
  border-color: var(--teal);
  background: var(--teal);
}

.page-contact .pc-check__input:checked + .pc-check__box::after {
  opacity: 1;
}

.page-contact .pc-check__input:focus-visible + .pc-check__box {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.page-contact .pc-check__text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  transition: color .18s var(--ease);
}

.page-contact .pc-check__input:checked ~ .pc-check__text {
  color: var(--grey);
}

.page-contact .pc-checklist__foot {
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--grey);
}

/* 联系方式卡片 */
.page-contact .pc-callcard {
  position: relative;
  overflow: hidden;
  padding: 30px 22px 26px;
  border: 3px solid var(--navy-900);
  background: var(--navy-900);
  color: var(--paper);
  box-shadow: var(--hard-shadow);
}

.page-contact .pc-callcard::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--orange);
}

.page-contact .pc-callcard__no {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--teal);
}

.page-contact .pc-callcard__title {
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.32;
  color: var(--paper);
}

.page-contact .pc-channels {
  margin: 12px 0 0;
}

.page-contact .pc-channel {
  padding: 14px 0;
  border-top: 1px solid rgba(247, 243, 234, .16);
}

.page-contact .pc-channel__key {
  font-size: 12px;
  letter-spacing: .12em;
  color: rgba(247, 243, 234, .62);
}

.page-contact .pc-channel__val {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .pc-channel__val--sm {
  font-family: var(--font-body);
  font-size: 15px;
  color: rgba(247, 243, 234, .9);
}

.page-contact .pc-callcard__note {
  margin-top: 18px;
  padding-left: 12px;
  border-left: 3px solid var(--teal);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 243, 234, .82);
}

.page-contact .pc-callcard__addr {
  position: relative;
  margin-top: 18px;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 243, 234, .86);
}

.page-contact .pc-callcard__addr::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 14px;
  height: 2px;
  background: var(--orange);
}

.page-contact .pc-callcard__addr::after {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  bottom: 4px;
  width: 2px;
  background: rgba(232, 114, 44, .45);
}

.page-contact .pc-callcard__addr .mono {
  display: block;
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--orange-soft);
}

/* ---------- 通用区块 ---------- */
.page-contact .pc-block {
  padding: 46px 0;
}

.page-contact .pc-block--tint {
  background: var(--paper-2);
}

.page-contact .pc-block--contact {
  border-top: 3px solid var(--navy-900);
  border-bottom: 3px solid var(--navy-900);
  background: var(--pc-warm);
}

.page-contact .pc-sec-head {
  max-width: 720px;
  margin-bottom: 28px;
}

.page-contact .pc-sec-head h2,
.page-contact .pc-contact h2,
.page-contact .pc-closer h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.2vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--navy-900);
}

.page-contact .pc-sec-head__note {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--grey);
}

.page-contact .media-frame {
  margin: 0;
  border: 3px solid var(--navy-900);
  background: var(--paper-2);
  box-shadow: var(--hard-shadow);
}

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

.page-contact .media-frame__cap {
  display: block;
  padding: 10px 12px;
  border-top: 2px solid var(--navy-900);
  background: var(--paper);
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

/* ---------- 提交材料 ---------- */
.page-contact .pc-prep {
  display: grid;
  gap: 26px;
}

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

.page-contact .pc-prep__list .entry {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px 0;
  border-top: 2px solid var(--line);
}

.page-contact .pc-prep__list .entry:first-child {
  border-top-color: var(--navy-900);
}

.page-contact .pc-prep__list .entry__no {
  grid-row: 1 / span 2;
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-contact .pc-prep__list .entry__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--navy-900);
}

.page-contact .pc-prep__list .entry__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pc-body);
}

/* ---------- 五步流程 ---------- */
.page-contact .pc-flow {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-step {
  position: relative;
  padding-left: 26px;
  border-left: 2px solid var(--line);
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 6px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--navy-700);
  border-radius: 50%;
  background: var(--paper-2);
}

.page-contact .pc-step__detail {
  padding-bottom: 18px;
}

.page-contact .pc-step__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 4px 0 12px;
  list-style: none;
  cursor: pointer;
}

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

.page-contact .pc-step__no {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--teal);
}

.page-contact .pc-step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--navy-900);
}

.page-contact .pc-step__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-left: auto;
  align-self: center;
}

.page-contact .pc-step__mark::before,
.page-contact .pc-step__mark::after {
  content: "";
  position: absolute;
  background: var(--orange);
}

.page-contact .pc-step__mark::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-contact .pc-step__mark::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  transition: transform .2s var(--ease);
}

.page-contact .pc-step__detail[open] .pc-step__mark::after {
  transform: scaleY(0);
}

.page-contact .pc-step__body {
  padding: 2px 0 8px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pc-body);
}

.page-contact .pc-step__body p + p {
  margin-top: 8px;
}

.page-contact .pc-step__meta {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--blue-500);
}

/* ---------- 站内事务 ---------- */
.page-contact .pc-desk {
  display: grid;
  gap: 26px;
}

.page-contact .pc-desk__item {
  padding: 2px 0 2px 18px;
  border-left: 4px solid var(--blue-500);
}

.page-contact .pc-desk__no {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-contact .pc-desk__item h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--navy-900);
}

.page-contact .pc-desk__item p {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pc-body);
}

.page-contact .pc-desk__req {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--blue-500);
}

/* ---------- 联系方式详述 ---------- */
.page-contact .pc-contact {
  display: grid;
  gap: 28px;
}

.page-contact .pc-contact__lead {
  max-width: 620px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--pc-body);
}

.page-contact .pc-contact__list {
  display: grid;
  gap: 0;
  margin: 20px 0 0;
}

.page-contact .pc-contact__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 2px solid rgba(11, 37, 69, .16);
}

.page-contact .pc-contact__key {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--grey);
}

.page-contact .pc-contact__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--navy-900);
  overflow-wrap: anywhere;
}

.page-contact .pc-contact__val--addr {
  font-family: var(--font-body);
  font-size: 15px;
}

.page-contact .pc-contact__resp {
  margin-top: 20px;
  padding-left: 12px;
  border-left: 3px solid var(--orange);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pc-body);
}

/* ---------- 上线支持 ---------- */
.page-contact .pc-support {
  display: grid;
  gap: 26px;
}

.page-contact .pc-support__item {
  padding-top: 16px;
  border-top: 3px solid var(--navy-900);
}

.page-contact .pc-support__no {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--teal);
}

.page-contact .pc-support__item h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--navy-900);
}

.page-contact .pc-support__item p {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pc-body);
}

/* ---------- 收尾闭环 ---------- */
.page-contact .pc-closer {
  padding: 52px 0 64px;
  background: var(--paper);
}

.page-contact .pc-closer__inner {
  position: relative;
  overflow: hidden;
  padding: 34px 24px 30px;
  border: 4px solid var(--navy-900);
  background: var(--paper);
  box-shadow: var(--hard-shadow);
}

.page-contact .pc-closer__inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 96px;
  height: 6px;
  background: var(--orange);
}

.page-contact .pc-closer__no {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-contact .pc-closer__body {
  max-width: 660px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--pc-body);
}

.page-contact .pc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-links a {
  display: inline-block;
  padding: 9px 14px;
  border: 2px solid var(--navy-700);
  background: var(--paper);
  font-size: 14px;
  line-height: 1.4;
  color: var(--navy-700);
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-contact .pc-links a:hover,
.page-contact .pc-links a:focus-visible {
  background: var(--navy-700);
  color: var(--paper);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
    gap: 32px;
  }

  .page-contact .pc-block {
    padding: 64px 0;
  }

  .page-contact .pc-sec-head {
    margin-bottom: 34px;
  }

  .page-contact .pc-prep {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
    gap: 36px;
  }

  .page-contact .pc-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .pc-flow::before {
    content: "";
    position: absolute;
    top: 12px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--line);
  }

  .page-contact .pc-step {
    padding: 0 20px 0 0;
    border-left: none;
  }

  .page-contact .pc-step::before {
    left: 0;
    top: 5px;
  }

  .page-contact .pc-step__summary {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding-top: 30px;
  }

  .page-contact .pc-step__mark {
    margin-left: 0;
    align-self: flex-start;
  }

  .page-contact .pc-desk {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }

  .page-contact .pc-contact {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    align-items: start;
    gap: 40px;
  }

  .page-contact .pc-support {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: .01ms !important;
  }
}