.page-contact {
  --pc-cut: 16px;
  --pc-gold-line: rgba(201, 162, 39, 0.52);
  --pc-hairline: rgba(30, 58, 85, 0.14);
  --pc-hairline-dark: rgba(245, 241, 232, 0.14);
  background: var(--ky-paper);
  color: var(--ky-text);
  max-width: 100%;
}

.page-contact .pc-mono {
  font-family: var(--ky-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  font-weight: 500;
  color: var(--ky-muted);
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.5vw, 34px) 0 clamp(42px, 6vw, 72px);
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.09), rgba(201, 162, 39, 0) 46%), var(--ky-paper);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, var(--pc-hairline) 1px, transparent 1px),
    linear-gradient(180deg, var(--pc-hairline) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.4;
  -webkit-mask-image: radial-gradient(120% 92% at 10% 0%, #000 0%, transparent 70%);
  mask-image: radial-gradient(120% 92% at 10% 0%, #000 0%, transparent 70%);
}

.page-contact .pc-hero > .ky-shell {
  position: relative;
  z-index: 1;
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .pc-hero__title {
  font-family: var(--ky-serif);
  font-size: clamp(2.4rem, 9vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.022em;
  color: var(--ky-ink);
  margin: 0.35rem 0 1rem;
}

.page-contact .pc-hero__desc {
  font-size: 1.0625rem;
  line-height: 1.8;
  max-width: 40ch;
  margin: 0 0 1.35rem;
  color: var(--ky-text);
}

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

.page-contact .pc-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--ky-text);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--pc-gold-line);
}

.page-contact .pc-hero__meta .pc-mono {
  color: var(--ky-cinnabar);
}

.page-contact .pc-hero__aside {
  border-top: 1px solid var(--pc-hairline);
  padding-top: 20px;
}

.page-contact .pc-hero__aside-title {
  font-family: var(--ky-serif);
  font-size: 1.125rem;
  color: var(--ky-ink);
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.page-contact .pc-hero__aside-note {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--ky-muted);
  margin: 0 0 1rem;
}

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

.page-contact .pc-hero__point {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 12px 10px 12px;
  text-decoration: none;
  color: var(--ky-text);
  font-size: 0.9375rem;
  line-height: 1.6;
  border-left: 2px solid transparent;
  transition: border-color 180ms var(--ky-ease), background-color 180ms var(--ky-ease);
}

.page-contact .pc-hero__point:hover,
.page-contact .pc-hero__point:focus-visible {
  border-left-color: var(--ky-gold);
  background: rgba(201, 162, 39, 0.08);
}

.page-contact .pc-hero__point .pc-mono {
  flex: 0 0 auto;
  color: var(--ky-gold);
}

/* ---------- 通用区块头 ---------- */

.page-contact .pc-head {
  max-width: 62ch;
}

.page-contact .pc-head--dark .ky-section__title {
  color: var(--ky-paper);
}

.page-contact .pc-head--dark .ky-section__desc {
  color: rgba(245, 241, 232, 0.74);
}

/* ---------- 渠道区 ---------- */

.page-contact .pc-channels {
  padding-top: clamp(36px, 5vw, 58px);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-contact .pc-channels__grid {
  display: grid;
  gap: 30px;
  margin-top: clamp(24px, 3.5vw, 38px);
}

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

.page-contact .pc-card {
  position: relative;
  padding: 22px 20px 20px;
  background: #FFFDF8;
  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))
  );
  box-shadow: inset 0 0 0 1px rgba(30, 58, 85, 0.08);
}

.page-contact .pc-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--ky-gold) 0%, var(--ky-gold-soft) 46%, rgba(201, 162, 39, 0) 100%);
}

.page-contact .pc-card--primary {
  background: linear-gradient(150deg, rgba(201, 162, 39, 0.13), rgba(201, 162, 39, 0) 58%), #FFFDF8;
}

.page-contact .pc-card__kicker {
  margin: 0 0 0.55rem;
  color: var(--ky-cinnabar);
}

.page-contact .pc-card__name {
  font-family: var(--ky-serif);
  font-size: 1.125rem;
  color: var(--ky-ink);
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.page-contact .pc-card__value {
  font-family: var(--ky-mono);
  font-size: clamp(0.9375rem, 3.6vw, 1.0625rem);
  line-height: 1.55;
  color: var(--ky-ink);
  margin: 0 0 0.65rem;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .pc-card__text {
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--ky-text);
  margin: 0;
}

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

.page-contact .pc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ky-ink-panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .pc-figure figcaption {
  margin-top: 10px;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--ky-muted);
  padding-left: 12px;
  border-left: 2px solid var(--pc-gold-line);
}

/* ---------- 预约路径 ---------- */

.page-contact .pc-path-section {
  padding-top: clamp(34px, 5vw, 56px);
  padding-bottom: clamp(38px, 5.5vw, 68px);
  background: var(--ky-paper-2);
}

.page-contact .pc-path__svg {
  display: none;
  width: 100%;
  max-width: 640px;
  height: 36px;
  margin: clamp(20px, 3vw, 32px) 0 18px;
}

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

.page-contact .pc-path__item {
  position: relative;
  padding: 20px 0 20px 54px;
  border-top: 1px solid rgba(30, 58, 85, 0.16);
}

.page-contact .pc-path__item:last-child {
  border-bottom: 1px solid rgba(30, 58, 85, 0.16);
}

.page-contact .pc-path__badge {
  position: absolute;
  left: 0;
  top: 21px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 0.8125rem;
  color: var(--ky-ink);
  background: transparent;
  border: 1px solid var(--pc-gold-line);
  clip-path: polygon(0 0, 100% 0, 100% 74%, 74% 100%, 0 100%);
}

.page-contact .pc-path__title {
  font-family: var(--ky-serif);
  font-size: 1.0625rem;
  color: var(--ky-ink);
  margin: 0 0 0.45rem;
  letter-spacing: -0.008em;
}

.page-contact .pc-path__note {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ky-text);
  max-width: 52ch;
}

/* ---------- 邮件模板（深色） ---------- */

.page-contact .pc-templates {
  padding-top: clamp(38px, 5.5vw, 64px);
  padding-bottom: clamp(42px, 6vw, 74px);
  background: var(--ky-ink);
}

.page-contact .pc-templates .ky-eyebrow {
  color: var(--ky-gold-soft);
}

.page-contact .pc-tabs {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .pc-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  position: relative;
  border-bottom: 1px solid var(--pc-hairline-dark);
  padding-bottom: 2px;
}

.page-contact .pc-tabs__tab {
  appearance: none;
  border: 0;
  background: transparent;
  font-family: var(--ky-sans);
  font-size: 0.9375rem;
  line-height: 1.4;
  padding: 11px 16px;
  color: rgba(245, 241, 232, 0.62);
  cursor: pointer;
  transition: color 160ms var(--ky-ease);
}

.page-contact .pc-tabs__tab:hover {
  color: var(--ky-paper);
}

.page-contact .pc-tabs__tab[aria-selected="true"] {
  color: var(--ky-gold-soft);
}

.page-contact .pc-tabs__tab:focus-visible {
  outline: 2px solid var(--ky-gold);
  outline-offset: 2px;
}

.page-contact .pc-tabs__indicator {
  background: var(--ky-gold);
}

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

.page-contact .pc-tabs__panel {
  animation: pc-fade 120ms var(--ky-ease);
}

.page-contact .pc-tpl {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--pc-hairline-dark);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-contact .pc-tpl__row {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--ky-ink-panel);
}

.page-contact .pc-tpl dt {
  font-family: var(--ky-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--ky-gold-soft);
}

.page-contact .pc-tpl dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(245, 241, 232, 0.86);
}

.page-contact .pc-tpl code {
  font-family: var(--ky-mono);
  font-size: 0.875rem;
  color: var(--ky-paper);
  background: rgba(47, 191, 168, 0.14);
  border-left: 2px solid var(--ky-cyan);
  padding: 3px 8px;
  display: inline-block;
  overflow-wrap: anywhere;
}

/* ---------- 受理边界 ---------- */

.page-contact .pc-scope {
  padding-top: clamp(38px, 5.5vw, 64px);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-contact .pc-acc {
  margin-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--pc-hairline);
}

.page-contact .pc-acc__item {
  border-bottom: 1px solid var(--pc-hairline);
}

.page-contact .pc-acc__head {
  margin: 0;
  font-size: 1rem;
}

.page-contact .pc-acc__trigger {
  appearance: none;
  width: 100%;
  border: 0;
  background: transparent;
  text-align: left;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 34px 18px 4px;
  font-family: var(--ky-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ky-ink);
  cursor: pointer;
  position: relative;
}

.page-contact .pc-acc__trigger::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 26px;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--ky-gold);
  border-bottom: 1.5px solid var(--ky-gold);
  transform: rotate(45deg);
  transition: transform 180ms var(--ky-ease);
}

.page-contact .pc-acc__trigger[aria-expanded="true"]::after {
  transform: rotate(-135deg);
  top: 28px;
}

.page-contact .pc-acc__trigger:focus-visible {
  outline: 2px solid var(--ky-gold);
  outline-offset: -2px;
}

.page-contact .pc-acc__dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 8px;
  display: inline-block;
}

.page-contact .pc-acc__dot--ok {
  background: var(--ky-cyan);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.page-contact .pc-acc__dot--no {
  background: var(--ky-cinnabar);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.page-contact .pc-acc__panel {
  padding: 0 34px 20px 27px;
}

.page-contact .pc-acc__panel p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--ky-text);
  max-width: 62ch;
}

.page-contact .pc-acc__item--deny .pc-acc__label {
  color: var(--ky-cinnabar);
}

/* ---------- 备案区 ---------- */

.page-contact .pc-registry {
  padding-top: clamp(38px, 5.5vw, 64px);
  padding-bottom: clamp(42px, 6vw, 74px);
  background: var(--ky-paper-2);
}

.page-contact .pc-registry__grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-contact .pc-registry__seal {
  max-width: 260px;
}

.page-contact .pc-registry__seal img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ky-ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .pc-registry__text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ky-text);
  margin: 0 0 1.2rem;
  max-width: 48ch;
}

.page-contact .pc-registry__stamp {
  display: inline-block;
  padding: 14px 20px 16px;
  background: var(--ky-ink);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  margin-bottom: 1.4rem;
}

.page-contact .pc-registry__stamp-label {
  margin: 0 0 0.35rem;
  color: var(--ky-gold-soft);
}

.page-contact .pc-registry__code {
  margin: 0;
  font-size: clamp(0.9375rem, 3.6vw, 1.125rem);
  color: var(--ky-paper);
  letter-spacing: 0.05em;
  overflow-wrap: anywhere;
}

.page-contact .pc-registry__facts {
  display: grid;
  gap: 1px;
  margin: 0 0 1.3rem;
  background: rgba(30, 58, 85, 0.14);
  border: 1px solid rgba(30, 58, 85, 0.14);
}

.page-contact .pc-registry__facts > div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 14px;
  background: var(--ky-paper);
}

.page-contact .pc-registry__facts dt {
  font-family: var(--ky-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--ky-muted);
}

.page-contact .pc-registry__facts dd {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ky-ink);
  text-align: right;
}

.page-contact .pc-registry__note {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--ky-text);
  padding-left: 14px;
  border-left: 2px solid var(--ky-cinnabar);
  max-width: 56ch;
}

/* ---------- 收尾 ---------- */

.page-contact .pc-next {
  padding-top: clamp(34px, 5vw, 56px);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-contact .pc-next__bar {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 3.5vw, 34px);
  background: #FFFDF8;
  box-shadow: inset 0 0 0 1px rgba(30, 58, 85, 0.1);
  border-left: 3px solid var(--ky-gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-contact .pc-next__title {
  font-family: var(--ky-serif);
  font-size: clamp(1.25rem, 4.6vw, 1.6rem);
  line-height: 1.3;
  letter-spacing: -0.012em;
  color: var(--ky-ink);
  margin: 0.35rem 0 0.7rem;
}

.page-contact .pc-next__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--ky-text);
  max-width: 58ch;
}

.page-contact .pc-next__actions {
  display: flex;
  align-items: flex-start;
}

@keyframes pc-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-contact .pc-channels__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-path__svg {
    display: block;
  }

  .page-contact .pc-tabs__list {
    flex-wrap: nowrap;
  }

  .page-contact .pc-tpl__row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: start;
    gap: 18px;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 60px;
    align-items: start;
  }

  .page-contact .pc-hero__aside {
    border-top: 0;
    border-left: 1px solid var(--pc-gold-line);
    padding-top: 4px;
    padding-left: 26px;
  }

  .page-contact .pc-channels__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .pc-channels__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-channels__cards .pc-card--primary {
    grid-column: span 2;
  }

  .page-contact .pc-path__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-contact .pc-path__item {
    border-top: 2px solid var(--ky-gold);
    border-bottom: 0;
    padding: 22px 0 6px;
  }

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

  .page-contact .pc-path__badge {
    position: static;
    margin-bottom: 14px;
  }

  .page-contact .pc-registry__grid {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .pc-registry__seal {
    max-width: 100%;
  }

  .page-contact .pc-next__bar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 36px;
  }

  .page-contact .pc-next__actions {
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-hero__point,
  .page-contact .pc-tabs__tab,
  .page-contact .pc-acc__trigger::after {
    transition: none;
  }

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