.page-contact {
  --pc-shadow-soft: 0 2px 0 rgba(16, 28, 54, 0.07);
  --pc-shadow-hover: 0 4px 0 rgba(16, 28, 54, 0.1);
  --pc-hairline: rgba(248, 245, 239, 0.12);
  padding-bottom: var(--gap-xl);
}

.page-contact .breadcrumb {
  padding: var(--gap-md) 0 var(--gap-sm);
  font-size: 13px;
  color: var(--mist);
}

.page-contact .breadcrumb a {
  color: var(--glacier-deep);
  text-decoration: none;
}

.page-contact .breadcrumb span[aria-hidden="true"] {
  margin: 0 8px;
  color: var(--rule);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  display: grid;
  gap: var(--gap-lg);
  padding-bottom: var(--gap-lg);
  border-bottom: 2px solid var(--indigo);
}

.page-contact .pc-hero__eyebrow {
  margin: 0 0 var(--gap-sm);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-contact .pc-hero h1 {
  margin: 0 0 var(--gap-md);
  font-size: clamp(1.75rem, 6vw, 3.25rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.16;
  color: var(--ink);
  max-width: 22ch;
}

.page-contact .pc-hero__lede {
  margin: 0 0 var(--gap-md);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 42ch;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-sm);
}

.page-contact .pc-hero__figure {
  margin: 0;
  border: 1px solid var(--rule);
  background: var(--paper-light);
  box-shadow: 6px 6px 0 rgba(16, 28, 54, 0.08);
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 7;
  object-fit: cover;
}

.page-contact .pc-hero__figure figcaption {
  padding: 10px 14px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
  border-top: 1px solid var(--rule-soft);
}

@media (min-width: 960px) {
  .page-contact .pc-hero {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

/* ---------- 区块骨架 ---------- */
.page-contact .pc-block {
  display: grid;
  gap: var(--gap-md);
  padding: var(--gap-lg) 0;
  border-bottom: 1px solid var(--rule-soft);
}

.page-contact .pc-block__index {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--signal);
  border-top: 3px solid var(--signal);
  padding-top: 6px;
  align-self: start;
}

@media (min-width: 960px) {
  .page-contact .pc-block {
    grid-template-columns: 56px 1fr;
    gap: var(--gap-lg);
    padding: var(--gap-xl) 0;
  }
}

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

.page-contact h2 {
  font-size: clamp(1.25rem, 3.2vw, 1.75rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact h3 {
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.45;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-contact h4 {
  font-size: 0.9375rem;
  font-weight: 800;
  letter-spacing: -0.005em;
  line-height: 1.5;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-contact p {
  line-height: 1.78;
}

.page-contact .section-head {
  margin-bottom: var(--gap-md);
}

.page-contact .section-head__note {
  margin: 10px 0 0;
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 62ch;
}

.page-contact .pc-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--glacier-deep);
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1.5px;
  transition: background-size 0.16s ease;
}

.page-contact .pc-link:hover,
.page-contact .pc-link:focus-visible {
  background-size: 100% 1.5px;
}

/* ---------- 01 自助路径 ---------- */
.page-contact .pc-selfhelp {
  display: grid;
  gap: var(--gap-md);
}

.page-contact .pc-selfhelp__card {
  position: relative;
  padding: 22px 20px 20px 26px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-left: 5px solid var(--flag-blue);
  box-shadow: 3px 3px 0 rgba(16, 28, 54, 0.06);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.page-contact .pc-selfhelp__card:hover {
  border-color: var(--glacier);
  border-left-color: var(--glacier);
  box-shadow: 5px 5px 0 rgba(16, 28, 54, 0.09);
}

.page-contact .pc-selfhelp__card:nth-child(2) {
  border-left-color: var(--flag-green);
}

.page-contact .pc-selfhelp__card:nth-child(3) {
  border-left-color: var(--flag-yellow);
}

.page-contact .pc-selfhelp__num {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .pc-selfhelp__card p {
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--ink-soft);
}

@media (min-width: 680px) {
  .page-contact .pc-selfhelp {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 02 反馈模板 + 联系渠道 ---------- */
.page-contact .pc-reach {
  display: grid;
  gap: var(--gap-lg);
}

@media (min-width: 1040px) {
  .page-contact .pc-reach {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

.page-contact .pc-template {
  padding: 20px;
  background: var(--indigo);
  border: 1px solid var(--midnight);
  box-shadow: 6px 6px 0 rgba(16, 28, 54, 0.14);
  color: var(--paper-light);
}

.page-contact .pc-template__figure {
  margin: 0 0 18px;
  border: 1px solid var(--rail-line);
  overflow: hidden;
}

.page-contact .pc-template__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: 0.9;
}

.page-contact .pc-template h3 {
  color: var(--paper-light);
}

.page-contact .pc-template__code {
  margin: 0 0 14px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.95;
  color: var(--paper-light);
  background: rgba(248, 245, 239, 0.07);
  border-left: 3px solid var(--glacier-lite);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  user-select: all;
  cursor: text;
}

.page-contact .pc-template__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rail-text);
}

.page-contact .pc-channels {
  display: grid;
  gap: 22px;
}

.page-contact .pc-channels__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--indigo);
}

.page-contact .pc-channel {
  position: relative;
  padding: 18px 18px 16px 22px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  box-shadow: 4px 4px 0 rgba(16, 28, 54, 0.06);
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.page-contact .pc-channel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--flag-blue);
}

.page-contact .pc-channel--primary::before {
  background: var(--signal);
}

.page-contact .pc-channel--general::before {
  background: var(--glacier);
}

.page-contact .pc-channel--phone::before {
  background: var(--flag-green);
}

.page-contact .pc-channel--addr::before {
  background: var(--flag-yellow);
}

.page-contact .pc-channel:hover {
  border-color: var(--glacier);
  box-shadow: 6px 6px 0 rgba(16, 28, 54, 0.09);
}

.page-contact .pc-channel__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .pc-channel__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--glacier-deep);
  word-break: break-all;
}

.page-contact .pc-channel__value--addr {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.page-contact .pc-channel__more summary {
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  color: var(--glacier-deep);
  padding: 4px 0;
}

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

.page-contact .pc-channel__more summary::after {
  content: " ＋";
  font-weight: 400;
  color: var(--mist);
}

.page-contact .pc-channel__more[open] summary::after {
  content: " －";
}

.page-contact .pc-channel__more p {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
  border-top: 1px dashed var(--rule);
  padding-top: 10px;
}

@media (min-width: 680px) {
  .page-contact .pc-channels {
    grid-template-columns: repeat(2, 1fr);
    align-items: start;
  }

  .page-contact .pc-channel:nth-child(even) {
    transform: translateY(14px);
  }
}

/* ---------- 03 来信流程 ---------- */
.page-contact .pc-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .pc-flow__step {
  position: relative;
  padding: 30px 18px 20px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  box-shadow: 3px 3px 0 rgba(16, 28, 54, 0.06);
}

.page-contact .pc-flow__step::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--glacier), var(--flag-blue));
}

.page-contact .pc-flow__step::after {
  content: "";
  position: absolute;
  top: 0;
  right: -22px;
  width: 22px;
  height: 1px;
  background: var(--rule);
  display: none;
}

.page-contact .pc-flow__node {
  position: absolute;
  top: -15px;
  left: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 28px;
  background: var(--indigo);
  color: var(--paper-light);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-contact .pc-flow__step p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.page-contact .pc-flow__who {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--rule);
  font-family: var(--font-mono);
  font-size: 12px !important;
  color: var(--glacier-deep) !important;
}

@media (min-width: 960px) {
  .page-contact .pc-flow {
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
  }

  .page-contact .pc-flow__step:not(:last-child)::after {
    display: block;
  }
}

@media (hover: hover) and (min-width: 960px) {
  .page-contact .pc-flow__who {
    opacity: 0;
    max-height: 0;
    margin-top: 0;
    padding-top: 0;
    border-top-color: transparent;
    overflow: hidden;
    transition: opacity 0.2s ease, max-height 0.2s ease, margin-top 0.2s ease,
      padding-top 0.2s ease;
  }

  .page-contact .pc-flow__step:hover .pc-flow__who,
  .page-contact .pc-flow__step:focus-within .pc-flow__who {
    opacity: 1;
    max-height: 80px;
    margin-top: 14px;
    padding-top: 10px;
    border-top-color: var(--rule);
  }
}

/* ---------- 紧急协助 ---------- */
.page-contact .pc-urgent {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  margin: var(--gap-lg) 0;
  padding: 24px 22px;
  background: var(--paper-light);
  border: 2px solid var(--signal);
  box-shadow: 6px 6px 0 rgba(242, 98, 46, 0.12);
}

.page-contact .pc-urgent__dot {
  width: 14px;
  height: 14px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--flag-red);
  box-shadow: 0 0 0 6px rgba(200, 56, 60, 0.14);
}

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

.page-contact .pc-urgent p {
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 68ch;
}

.page-contact .pc-urgent__more {
  margin-top: 14px;
}

.page-contact .pc-urgent__more summary {
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  color: var(--signal-dark);
  padding: 4px 0;
}

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

.page-contact .pc-urgent__more summary::after {
  content: " ＋";
  font-weight: 400;
  color: var(--mist);
}

.page-contact .pc-urgent__more[open] summary::after {
  content: " －";
}

.page-contact .pc-urgent__more p {
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px dashed var(--rule);
  font-size: 14px;
}

/* ---------- 站点与备案 ---------- */
.page-contact .pc-legal {
  padding: 28px 22px;
  background: var(--indigo);
  border: 1px solid var(--midnight);
  color: var(--rail-text);
}

.page-contact .pc-legal h2 {
  margin: 0 0 10px;
  color: var(--paper-light);
}

.page-contact .pc-legal__lede {
  margin: 0 0 var(--gap-md);
  font-size: 14px;
  color: var(--rail-text);
  max-width: 56ch;
}

.page-contact .pc-legal__list {
  display: grid;
  gap: 1px;
  margin: 0 0 var(--gap-md);
  background: var(--pc-hairline);
  border: 1px solid var(--pc-hairline);
}

.page-contact .pc-legal__cell {
  margin: 0;
  padding: 16px;
  background: var(--indigo);
}

.page-contact .pc-legal__cell dt {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rail-dim);
}

.page-contact .pc-legal__cell dd {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper-light);
  word-break: break-word;
}

.page-contact .pc-legal__cell dd.mono {
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-contact .pc-legal__foot {
  margin: 0;
  font-size: 13px;
  color: var(--rail-text);
}

.page-contact .pc-link--light {
  color: var(--glacier-lite);
}

@media (min-width: 680px) {
  .page-contact .pc-legal__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1040px) {
  .page-contact .pc-legal__list {
    grid-template-columns: repeat(4, 1fr);
  }
}
</main>