.page-contact {
  --pc-rule: rgba(15, 34, 51, 0.14);
  --pc-rule-strong: rgba(15, 34, 51, 0.28);
  --pc-rule-dark: rgba(232, 199, 154, 0.24);
  --pc-soft-dark: rgba(28, 58, 85, 0.62);
  background: var(--ts-paper);
  color: var(--ts-graphite);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-block: clamp(20px, 4vw, 36px) clamp(36px, 6vw, 68px);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(20px, 4vw, 36px);
}

.page-contact .pc-hero__title {
  margin: 12px 0 0;
  font-size: clamp(28px, 6.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-contact .pc-hero__lede {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 58ch;
}

.page-contact .pc-quick {
  border-top: 3px solid var(--ts-orange);
  background: var(--pc-soft-dark);
  padding: 16px 18px 6px;
}

.page-contact .pc-quick__title {
  margin: 0 0 6px;
  font-family: var(--ts-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ts-gold);
}

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

.page-contact .pc-quick__row {
  display: grid;
  gap: 6px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pc-rule-dark);
}

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

.page-contact .pc-quick__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ts-silver);
}

.page-contact .pc-quick__val {
  margin: 0;
  font-size: 15px;
  word-break: break-word;
}

/* ---------- 章节标题组 ---------- */
.page-contact .pc-sechead {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .pc-sechead__title {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.6vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.015em;
}

.page-contact .pc-sechead__lede {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ts-mist);
}

.page-contact .pc-sechead__lede a {
  color: var(--ts-copper);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 三项准备清单 ---------- */
.page-contact .pc-prep {
  border-top: 1px solid var(--pc-rule);
}

.page-contact .pc-prep__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.page-contact .pc-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--ts-navy);
}

.page-contact .pc-check {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .pc-check__box {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 2px solid var(--ts-copper);
  background: transparent;
}

.page-contact .pc-check__box::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--ts-orange);
  opacity: 0;
  transition: opacity var(--ts-step) var(--ts-ease);
}

.page-contact .pc-check:hover .pc-check__box::after,
.page-contact .pc-check:focus-within .pc-check__box::after {
  opacity: 1;
}

.page-contact .pc-check__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 19px;
  letter-spacing: -0.01em;
}

.page-contact .pc-check__must {
  font-family: var(--ts-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ts-signal);
  border: 1px solid var(--ts-signal);
  padding: 1px 5px;
}

.page-contact .pc-check__hint {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--ts-mist);
}

.page-contact .pc-check__fields {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .pc-check__fields li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.5;
}

.page-contact .pc-check__fields li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 9px;
  height: 2px;
  background: var(--ts-copper);
}

.page-contact .pc-prep__aside {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-contact .pc-prep__note {
  padding: 18px 20px 20px;
  border-left: 3px solid var(--ts-copper);
  background: var(--ts-paper-2);
}

.page-contact .pc-prep__notetitle {
  margin: 0 0 10px;
  font-family: var(--ts-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ts-mist);
}

.page-contact .pc-prep__notelist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .pc-prep__notelist li {
  font-size: 14.5px;
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}

.page-contact .pc-prep__notelist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 7px;
  height: 2px;
  background: var(--ts-orange);
}

.page-contact .pc-prep__linkline {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--ts-mist);
}

.page-contact .pc-prep__linkline a {
  color: var(--ts-copper);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 对接流程 ---------- */
.page-contact .pc-flow {
  border-top: 1px solid var(--pc-rule);
}

.page-contact .pc-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  border-top: 2px solid var(--ts-navy);
}

.page-contact .pc-step {
  padding: 22px 0;
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .pc-step__no {
  display: block;
  font-size: 13px;
  color: var(--ts-copper);
}

.page-contact .pc-step__title {
  margin: 10px 0 0;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.page-contact .pc-step__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ts-mist);
}

.page-contact .pc-step__time {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--ts-orange);
}

/* ---------- 区域分工 ---------- */
.page-contact .pc-region {
  border-top: 1px solid var(--pc-rule);
}

.page-contact .pc-region__tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--pc-rule-strong);
}

.page-contact .pc-region__tablist .ts-tab {
  flex: 1 1 140px;
  min-height: 46px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: var(--ts-mist);
  font-size: 15px;
  font-family: inherit;
  cursor: pointer;
  transition: color var(--ts-step) var(--ts-ease), border-color var(--ts-step) var(--ts-ease);
}

.page-contact .pc-region__tablist .ts-tab[aria-selected="true"] {
  color: var(--ts-navy);
  border-bottom-color: var(--ts-orange);
  font-weight: 700;
}

.page-contact .pc-region__panel {
  padding-top: 8px;
}

.page-contact .pc-region__rows {
  margin: 0;
  display: grid;
}

.page-contact .pc-region__row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 6px 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .pc-region__row dt {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ts-copper);
}

.page-contact .pc-region__row dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.55;
}

.page-contact .pc-region__foot {
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--pc-rule);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ts-mist);
}

/* ---------- 联系方式 ---------- */
.page-contact .pc-contact {
  border-top: 3px solid var(--ts-orange);
}

.page-contact .pc-contact__grid {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

.page-contact .pc-contact__title {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.4vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.page-contact .pc-contact__list {
  margin: clamp(20px, 3vw, 30px) 0 0;
  border-top: 1px solid var(--pc-rule-dark);
}

.page-contact .pc-contact__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pc-rule-dark);
}

.page-contact .pc-contact__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ts-silver);
}

.page-contact .pc-contact__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  word-break: break-word;
}

.page-contact .pc-contact__note,
.page-contact .pc-contact__aux {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ts-ink-soft);
}

.page-contact .pc-contact__aux a {
  color: var(--ts-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 常见对接问题 ---------- */
.page-contact .pc-faq {
  border-top: 1px solid var(--pc-rule);
}

.page-contact .pc-faq__list {
  border-top: 2px solid var(--ts-navy);
}

.page-contact .pc-faq__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-contact .pc-faq__list .ts-accordion__item {
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .pc-faq__list .ts-accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  border: 0;
  background: transparent;
  text-align: left;
  font-family: inherit;
  font-size: 16.5px;
  line-height: 1.4;
  color: var(--ts-graphite);
  cursor: pointer;
}

.page-contact .pc-faq__list .ts-accordion__trigger:hover {
  color: var(--ts-copper);
}

.page-contact .pc-faq__list .ts-accordion__panel p {
  margin: 0 0 20px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ts-mist);
}

/* ---------- 底部刻度条 ---------- */
.page-contact .pc-tape {
  background: var(--ts-navy);
  color: var(--ts-paper);
  border-top: 1px solid var(--pc-rule-dark);
  padding-block: clamp(22px, 3.5vw, 34px);
}

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

.page-contact .pc-tape__item {
  display: grid;
  gap: 4px;
}

.page-contact .pc-tape__k {
  display: inline-block;
  font-size: 19px;
}

.page-contact .pc-tape__v {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ts-ink-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .pc-region__row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-contact .pc-contact__row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.6fr);
    align-items: end;
  }

  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

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

  .page-contact .pc-step {
    padding: 26px 22px 26px 0;
    border-bottom: 0;
    border-right: 1px solid var(--pc-rule);
  }

  .page-contact .pc-step:last-child {
    border-right: 0;
    padding-right: 0;
  }

  .page-contact .pc-contact__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

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

  .page-contact .pc-tape__item {
    padding-inline: 26px;
    border-left: 1px solid var(--pc-rule-dark);
  }

  .page-contact .pc-tape__item:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

@media (min-width: 1180px) {
  .page-contact .pc-hero__title {
    max-width: 17ch;
  }
}