.page-contact {
  --pc-rail-w: 318px;
  --pc-cut: 18px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-block: clamp(28px, 4vw, 48px) clamp(40px, 6vw, 84px);
}

.page-contact .pc-hero .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: 28px;
}

.page-contact .pc-hero .display {
  margin: 14px 0 0;
}

.page-contact .pc-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-hero__facts li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .pc-hero__facts .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--clr-lake);
  padding-top: 3px;
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 64px;
    align-items: end;
  }
}

/* ---------- 主工作区 ---------- */
.page-contact .pc-work {
  padding-block: clamp(36px, 5vw, 72px) clamp(48px, 7vw, 104px);
}

.page-contact .contact-layout {
  display: grid;
  gap: 36px;
}

.page-contact .pc-flow {
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-contact .contact-layout {
    grid-template-columns: var(--pc-rail-w) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }
  .page-contact .pc-rail {
    position: sticky;
    top: 104px;
  }
}

/* ---------- 左侧固定联系列 ---------- */
.page-contact .pc-rail {
  background: var(--clr-lake-deep);
  color: var(--clr-white);
  padding: 32px 26px 34px;
  clip-path: polygon(
    0 0,
    calc(100% - var(--pc-cut)) 0,
    100% var(--pc-cut),
    100% 100%,
    var(--pc-cut) 100%,
    0 calc(100% - var(--pc-cut))
  );
}

.page-contact .pc-rail__eyebrow {
  margin: 0 0 24px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-gold);
}

.page-contact .pc-rail__block {
  padding: 18px 0;
  border-top: 1px solid var(--hair-light);
}

.page-contact .pc-rail__block:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-contact .pc-rail__key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: rgba(251, 252, 253, 0.62);
}

.page-contact .pc-rail__value {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.page-contact .pc-rail__value--addr {
  font-weight: 500;
  font-size: 14.5px;
  color: rgba(251, 252, 253, 0.9);
}

.page-contact .pc-rail__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(251, 252, 253, 0.72);
}

.page-contact .pc-rail__cta {
  margin-top: 26px;
  width: 100%;
  justify-content: center;
}

/* ---------- 章节标题 ---------- */
.page-contact .pc-head {
  margin-bottom: 30px;
}

.page-contact .pc-head .h2 {
  margin: 10px 0 14px;
}

.page-contact .pc-head .lede {
  max-width: 44em;
  margin: 0;
}

/* ---------- 三类诉求切换 ---------- */
.page-contact .pc-tabs {
  position: relative;
  border: 1px solid var(--hair);
  background: var(--clr-white);
}

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

.page-contact .pc-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--hair);
}

.page-contact .pc-tabs__tab {
  flex: 1 1 190px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-soft);
  background: var(--clr-cream);
  border-inline-end: 1px solid var(--hair);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
  -webkit-user-select: none;
  user-select: none;
}

.page-contact .pc-tabs__tab:last-child {
  border-inline-end: 0;
}

.page-contact .pc-tabs__tab .mono {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--clr-lake);
}

.page-contact .pc-tabs__tab:hover {
  background: var(--clr-lake-soft);
}

.page-contact #pc-inq-sub:checked ~ .pc-tabs__bar [for="pc-inq-sub"],
.page-contact #pc-inq-fit:checked ~ .pc-tabs__bar [for="pc-inq-fit"],
.page-contact #pc-inq-idx:checked ~ .pc-tabs__bar [for="pc-inq-idx"] {
  background: var(--clr-lake);
  color: var(--clr-white);
}

.page-contact #pc-inq-sub:checked ~ .pc-tabs__bar [for="pc-inq-sub"] .mono,
.page-contact #pc-inq-fit:checked ~ .pc-tabs__bar [for="pc-inq-fit"] .mono,
.page-contact #pc-inq-idx:checked ~ .pc-tabs__bar [for="pc-inq-idx"] .mono {
  color: var(--clr-gold);
}

.page-contact .pc-tabs__panels {
  padding: 30px 26px 34px;
}

.page-contact .pc-tabs__panel {
  display: none;
}

.page-contact #pc-inq-sub:checked ~ .pc-tabs__panels > [data-panel="sub"],
.page-contact #pc-inq-fit:checked ~ .pc-tabs__panels > [data-panel="fit"],
.page-contact #pc-inq-idx:checked ~ .pc-tabs__panels > [data-panel="idx"] {
  display: block;
}

/* 面板内部 */
.page-contact .pc-panel__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--clr-lake);
}

.page-contact .pc-panel__head .h3 {
  margin: 0;
}

.page-contact .pc-panel__no {
  flex: none;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--clr-lake-soft);
  letter-spacing: 0.02em;
}

.page-contact .pc-panel__grid {
  display: grid;
  gap: 28px;
  margin-top: 24px;
}

.page-contact .pc-panel__body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .pc-panel__sub {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--clr-ink);
  padding-top: 6px;
}

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

.page-contact .pc-panel__aside {
  background: var(--clr-cream);
  border-top: 3px solid var(--clr-gold);
  padding: 22px 20px;
  clip-path: polygon(
    0 0,
    calc(100% - var(--pc-cut)) 0,
    100% var(--pc-cut),
    100% 100%,
    0 100%
  );
}

.page-contact .pc-panel__aside-title {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--clr-lake);
}

.page-contact .pc-panel__aside p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .pc-panel__aside a {
  color: var(--clr-lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 780px) {
  .page-contact .pc-panel__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: 36px;
    align-items: start;
  }
}

/* ---------- 勾选清单 ---------- */
.page-contact .pc-checklist {
  display: grid;
  gap: 0;
  margin-top: 6px;
}

.page-contact .pc-checklist__item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 4px;
  border-bottom: 1px dashed var(--hair);
  cursor: pointer;
}

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

.page-contact .pc-checklist__box {
  flex: none;
  position: relative;
  width: 17px;
  height: 17px;
  margin-top: 4px;
  border: 1.5px solid var(--clr-lake);
  background: var(--clr-white);
  transition: background 0.15s var(--ease);
}

.page-contact .pc-checklist__item input:checked + .pc-checklist__box {
  background: var(--clr-lake);
}

.page-contact .pc-checklist__item input:checked + .pc-checklist__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: solid var(--clr-white);
  border-width: 0 2px 2px 0;
  transform: rotate(43deg);
}

.page-contact .pc-checklist__item input:focus-visible + .pc-checklist__box {
  outline: 2px solid var(--clr-gold);
  outline-offset: 2px;
}

.page-contact .pc-checklist__text {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--text-soft);
}

/* ---------- 联系方式 ---------- */
.page-contact .pc-reach {
  padding-block: clamp(48px, 7vw, 104px);
}

.page-contact .pc-head--dark .eyebrow {
  color: var(--clr-gold);
}

.page-contact .pc-reach__grid {
  display: grid;
  gap: 32px;
}

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

.page-contact .pc-reach__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .pc-reach__item {
  border-top: 1px solid var(--hair-light);
  padding: 20px 0 22px;
}

.page-contact .pc-reach__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .pc-reach__no {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--clr-gold);
}

.page-contact .pc-reach__item .h3 {
  margin: 0 0 8px;
  color: var(--clr-white);
}

.page-contact .pc-reach__item p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(251, 252, 253, 0.8);
}

@media (min-width: 900px) {
  .page-contact .pc-reach__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 56px;
    align-items: start;
  }
}

/* ---------- 处理流程 ---------- */
.page-contact .pc-process {
  padding-block: clamp(48px, 7vw, 104px);
}

.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .pc-step {
  background: var(--clr-cream);
  padding: 26px 22px 28px;
  clip-path: polygon(
    0 0,
    calc(100% - var(--pc-cut)) 0,
    100% var(--pc-cut),
    100% 100%,
    0 100%
  );
}

.page-contact .pc-step__no {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--clr-lake);
}

.page-contact .pc-step .h3 {
  margin: 0 0 10px;
}

.page-contact .pc-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .pc-process__foot {
  margin: 34px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 46em;
}

.page-contact .pc-process__foot a {
  color: var(--clr-lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 760px) {
  .page-contact .pc-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1180px) {
  .page-contact .pc-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 收尾色带 ---------- */
.page-contact .pc-outro {
  padding-block: clamp(36px, 5vw, 64px);
}

.page-contact .pc-outro__inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-contact .pc-outro__label {
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--clr-gold);
}

.page-contact .pc-outro__time {
  margin: 0;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--clr-white);
}

.page-contact .pc-outro__mail {
  margin: 0 0 8px;
  font-size: clamp(16px, 2.2vw, 21px);
  font-weight: 700;
  overflow-wrap: anywhere;
  color: var(--clr-white);
}

.page-contact .pc-outro__sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(251, 252, 253, 0.74);
}

.page-contact .pc-outro__btn {
  justify-self: start;
}

@media (min-width: 900px) {
  .page-contact .pc-outro__inner {
    grid-template-columns: minmax(0, 0.5fr) minmax(0, 1fr) auto;
    gap: 48px;
  }
  .page-contact .pc-outro__btn {
    justify-self: end;
  }
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 680px) {
  .page-contact {
    --pc-cut: 14px;
  }

  .page-contact .pc-rail {
    padding: 24px 20px 26px;
  }

  .page-contact .pc-tabs__panels {
    padding: 22px 16px 26px;
  }

  .page-contact .pc-panel__head {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 8px;
  }

  .page-contact .pc-panel__no {
    font-size: 22px;
  }

  .page-contact .pc-tabs__tab {
    flex: 1 1 100%;
    border-inline-end: 0;
    border-bottom: 1px solid var(--hair);
  }

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