.page-contact {
  --pc-cut: 14px;
  --pc-cut-lg: 22px;
  min-width: 0;
}

.page-contact .hth-section {
  min-width: 0;
}

.page-contact .hth-h1,
.page-contact .hth-h2,
.page-contact .hth-h3 {
  margin: 0;
}

.page-contact .hth-eyebrow {
  margin: 0;
}

.page-contact .pc-sectionhead {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(22px, 3vw, 36px);
  max-width: 66ch;
}

.page-contact .hth-grid > * {
  min-width: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-top: clamp(16px, 3vw, 40px);
}

.page-contact .pc-hero__title {
  margin-top: 12px;
  max-width: 11ch;
}

.page-contact .pc-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
}

.page-contact .pc-mailbox {
  margin-top: clamp(26px, 4vw, 46px);
  padding-left: clamp(14px, 1.6vw, 22px);
  border-left: 3px solid var(--hth-red);
}

.page-contact .pc-mailbox__label {
  margin: 0;
  font-family: var(--hth-numeric);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--hth-gray);
}

.page-contact .pc-mailbox__addr {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 2px;
  margin: 8px 0 12px;
  font-family: var(--hth-numeric);
  font-size: clamp(21px, 4.6vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}

.page-contact .pc-mailbox__local {
  color: var(--hth-chalk);
}

.page-contact .pc-mailbox__at {
  color: var(--hth-red);
  padding: 0 .04em;
}

.page-contact .pc-mailbox__domain {
  color: var(--hth-cyan);
}

.page-contact .pc-mailbox__note {
  margin: 0;
  max-width: 48ch;
}

/* ---------- 右侧通道索引 ---------- */
.page-contact .pc-index {
  margin-top: clamp(30px, 5vw, 0px);
}

.page-contact .pc-index__eyebrow {
  padding-bottom: 10px;
}

.page-contact .pc-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hth-line);
  border-top: 1px solid var(--hth-line-strong);
  border-bottom: 1px solid var(--hth-line);
}

.page-contact .pc-index__item {
  background: var(--hth-night);
  padding: 16px 0;
}

.page-contact .pc-index__k {
  margin: 0 0 4px;
  font-family: var(--hth-numeric);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--hth-gray);
}

.page-contact .pc-index__v {
  margin: 0;
  font-family: var(--hth-numeric);
  font-size: 17px;
  line-height: 1.35;
  color: var(--hth-chalk);
  word-break: break-word;
}

.page-contact .pc-index__v--text {
  font-family: var(--hth-body);
  font-size: 14px;
  line-height: 1.55;
}

.page-contact .pc-index__use {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--hth-gray);
}

/* ---------- 横向图带 ---------- */
.page-contact .pc-strip {
  margin: clamp(34px, 5vw, 62px) 0 0;
}

.page-contact .pc-strip__media {
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut-lg)), calc(100% - var(--pc-cut-lg)) 100%, 0 100%);
}

.page-contact .pc-strip .hth-figure__cap {
  margin-top: 12px;
}

.page-contact .pc-flow__media img,
.page-contact .pc-strip__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .pc-strip__media img {
  filter: saturate(.72) contrast(1.06);
}

/* ---------- 邮件与值守 ---------- */
.page-contact .pc-mail {
  margin-top: clamp(48px, 7vw, 92px);
}

.page-contact .pc-mail__copy p {
  margin: 0 0 14px;
  max-width: 60ch;
}

.page-contact .pc-mail__copy p:last-child {
  margin-bottom: 0;
}

.page-contact .pc-timerwrap {
  margin-top: 26px;
}

.page-contact .pc-timer {
  padding: clamp(18px, 2.4vw, 26px);
}

.page-contact .pc-timer__row + .pc-timer__row {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--hth-line);
}

.page-contact .pc-timer__k {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--hth-gray);
}

.page-contact .pc-timer__v {
  margin: 0;
  font-family: var(--hth-numeric);
  font-size: clamp(18px, 2.4vw, 26px);
  line-height: 1.2;
  color: var(--hth-cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-timer__unit {
  font-family: var(--hth-body);
  font-size: 13px;
  color: var(--hth-gray);
  margin-left: 4px;
}

.page-contact .pc-timer__v--soft {
  font-family: var(--hth-body);
  font-size: 15px;
  color: var(--hth-chalk);
}

.page-contact .pc-timerwrap .hth-note {
  margin: 14px 0 0;
}

/* ---------- 地址 ---------- */
.page-contact .pc-addr {
  margin-top: clamp(48px, 7vw, 88px);
}

.page-contact .pc-addr__copy p {
  margin: 0 0 12px;
  max-width: 56ch;
}

.page-contact .pc-addr__copy .hth-eyebrow {
  margin-bottom: 10px;
}

.page-contact .pc-addrbox {
  background: var(--hth-ink);
  padding: clamp(20px, 2.8vw, 32px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut-lg)), calc(100% - var(--pc-cut-lg)) 100%, 0 100%);
  border-left: 3px solid var(--hth-amber);
}

.page-contact .pc-addrbox__row + .pc-addrbox__row {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--hth-line);
}

.page-contact .pc-addrbox__k {
  margin: 0 0 6px;
  font-family: var(--hth-numeric);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--hth-gray);
}

.page-contact .pc-addrbox__v {
  margin: 0;
  font-family: var(--hth-numeric);
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--hth-chalk);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-addrbox__v--text {
  font-family: var(--hth-body);
  font-size: 15px;
  line-height: 1.65;
  letter-spacing: 0;
}

.page-contact .pc-addr .hth-note {
  margin: 14px 0 0;
}

/* ---------- 核验标签页 ---------- */
.page-contact .pc-verify {
  margin-top: clamp(48px, 7vw, 88px);
}

.page-contact .pc-verify__lead {
  margin: 4px 0 0;
}

.page-contact .pc-tablist {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  padding: 0 0 10px;
  margin-bottom: clamp(20px, 2.6vw, 30px);
  border-bottom: 1px solid var(--hth-line);
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-contact .pc-tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  white-space: nowrap;
  background: transparent;
  border: 1px solid var(--hth-line);
  color: var(--hth-gray);
  font-family: var(--hth-body);
  font-size: 14px;
  padding: 9px 16px;
  cursor: pointer;
  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)));
  transition: color var(--hth-dur) var(--hth-ease), border-color var(--hth-dur) var(--hth-ease), background-color var(--hth-dur) var(--hth-ease);
}

.page-contact .pc-tab:hover {
  color: var(--hth-chalk);
  border-color: var(--hth-line-strong);
}

.page-contact .pc-tab[aria-selected="true"] {
  color: var(--hth-chalk);
  background: var(--hth-slate);
  border-color: var(--hth-red);
}

.page-contact .pc-tab:focus-visible {
  outline: 2px solid var(--hth-cyan);
  outline-offset: 2px;
}

.page-contact .pc-panels > [hidden] {
  display: none;
}

.page-contact .pc-panel {
  padding: 0;
}

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

.page-contact .pc-req__item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--hth-line);
}

.page-contact .pc-req__item:first-child {
  border-top: 1px solid var(--hth-line);
}

.page-contact .pc-req__idx {
  display: block;
  padding: 7px 0;
  text-align: center;
  font-family: var(--hth-numeric);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--hth-cyan);
  background: var(--hth-slate);
  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-req__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--hth-chalk);
}

.page-contact .pc-req__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--hth-gray);
  max-width: 62ch;
}

/* ---------- 纠错清单 ---------- */
.page-contact .pc-fix {
  margin-top: clamp(48px, 7vw, 88px);
}

.page-contact .pc-fix__copy p {
  margin: 12px 0 0;
  max-width: 52ch;
}

.page-contact .pc-fix__copy .hth-eyebrow {
  margin-bottom: 10px;
}

.page-contact .pc-checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--hth-line);
}

.page-contact .pc-checklist__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--hth-line);
}

.page-contact .pc-checklist__box {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin: 3px 0 0;
  display: grid;
  place-content: center;
  border: 1px solid var(--hth-line-strong);
  background: transparent;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
  transition: border-color var(--hth-dur) var(--hth-ease);
}

.page-contact .pc-checklist__box::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--hth-red);
  transform: scale(0);
  transition: transform 160ms var(--hth-ease);
}

.page-contact .pc-checklist__box:checked {
  border-color: var(--hth-red);
}

.page-contact .pc-checklist__box:checked::before {
  transform: scale(1);
}

.page-contact .pc-checklist__box:focus-visible {
  outline: 2px solid var(--hth-cyan);
  outline-offset: 3px;
}

.page-contact .pc-checklist__label {
  display: block;
  cursor: pointer;
}

.page-contact .pc-checklist__title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--hth-chalk);
  margin-bottom: 6px;
}

.page-contact .pc-checklist__desc {
  display: block;
  font-size: 15px;
  line-height: 1.7;
  color: var(--hth-gray);
  max-width: 62ch;
}

/* ---------- 处理流程 ---------- */
.page-contact .pc-flow {
  margin-top: clamp(52px, 8vw, 96px);
}

.page-contact .pc-flow__figure {
  margin: 0 0 clamp(24px, 3vw, 38px);
}

.page-contact .pc-flow__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 7;
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--pc-cut-lg) 100%, 0 calc(100% - var(--pc-cut-lg)));
}

.page-contact .pc-flow__media img {
  filter: saturate(.68) brightness(.82);
}

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

.page-contact .pc-step {
  position: relative;
  padding-top: 20px;
  border-top: 1px solid var(--hth-line);
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 52px;
  height: 3px;
  background: var(--hth-red);
  transform: skewX(-12deg);
  transform-origin: left bottom;
}

.page-contact .pc-step__idx {
  margin: 0 0 8px;
  font-family: var(--hth-numeric);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--hth-amber);
}

.page-contact .pc-step__title {
  margin: 0 0 8px;
  color: var(--hth-chalk);
}

.page-contact .pc-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--hth-gray);
  max-width: 46ch;
}

.page-contact .pc-flow__note {
  margin: clamp(26px, 3vw, 38px) 0 0;
  max-width: 74ch;
}

/* ---------- 相关页面 ---------- */
.page-contact .pc-next {
  margin-top: clamp(52px, 8vw, 96px);
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-contact .pc-next__title {
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-contact .pc-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--hth-line-strong);
}

.page-contact .pc-next__item {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hth-line);
}

.page-contact .pc-next__link {
  font-size: 17px;
  font-weight: 600;
}

.page-contact .pc-next__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--hth-gray);
  max-width: 62ch;
}

.page-contact .pc-next .hth-note {
  margin: 20px 0 0;
  max-width: 74ch;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-checklist {
    margin-top: 0;
  }

  .page-contact .pc-next__item {
    grid-template-columns: 168px 1fr;
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-index {
    grid-column: 9 / span 4;
    margin-top: 0;
  }

  .page-contact .pc-timerwrap {
    grid-column: 9 / span 4;
    margin-top: 0;
  }

  .page-contact .pc-fix .hth-col-7,
  .page-contact .pc-addr .hth-col-7 {
    grid-column: 6 / span 7;
  }

  .page-contact .pc-flow__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 34px;
  }

  .page-contact .pc-flow__media {
    aspect-ratio: 21 / 9;
  }

  .page-contact .pc-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 12px;
    right: -22px;
    width: 3px;
    height: 26px;
    background: var(--hth-amber);
    transform: skewX(-22deg);
    opacity: .85;
  }
}

@media (min-width: 1040px) {
  .page-contact .pc-fix .hth-col-5 {
    grid-column: 1 / span 4;
  }

  .page-contact .pc-fix .hth-col-7 {
    grid-column: 6 / span 7;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-tab,
  .page-contact .pc-checklist__box,
  .page-contact .pc-checklist__box::before {
    transition: none;
  }
}
</main>