.page-contact {
  --pc-rail-w: 348px;
  --pc-gap: 40px;
  --pc-rail-pad: 24px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding: 24px 0 44px;
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 20px;
}

.page-contact .pc-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .pc-hero__side {
  display: grid;
  gap: 14px;
  border-left: 3px solid var(--dc-amber);
  padding: 4px 0 4px 18px;
}

.page-contact .pc-stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-contact .pc-stat__k {
  font-family: var(--dc-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--dc-gray);
}

.page-contact .pc-stat__v {
  font-family: var(--dc-mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--dc-brown);
}

/* ---------- 主区双栏 ---------- */
.page-contact .pc-main {
  padding: 40px 0 64px;
}

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

/* ---------- 左侧联系信息板 ---------- */
.page-contact .pc-rail {
  background-color: var(--dc-ink);
  background-image:
    repeating-linear-gradient(to right, rgba(217, 162, 43, .17) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(to bottom, rgba(217, 162, 43, .17) 0 1px, transparent 1px 32px);
  color: var(--dc-porcelain);
  padding: var(--pc-rail-pad);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-contact .pc-rail__annot {
  color: var(--dc-amber);
  margin: 0 0 10px;
}

.page-contact .pc-rail__title {
  margin: 0 0 20px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--dc-porcelain);
}

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

.page-contact .pc-rail__row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px solid var(--dc-felt-line);
}

.page-contact .pc-rail__row:last-child {
  border-bottom: 1px solid var(--dc-felt-line);
}

.page-contact .pc-rail__row dt {
  font-size: 13px;
  color: var(--dc-cool);
}

.page-contact .pc-rail__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--dc-porcelain);
  word-break: break-word;
}

.page-contact .pc-rail__mail {
  font-family: var(--dc-mono);
  font-size: 14px;
  color: var(--dc-amber-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 197, 102, .5);
}

.page-contact .pc-rail__mail:hover,
.page-contact .pc-rail__mail:focus-visible {
  color: #fff;
  border-bottom-color: #fff;
}

.page-contact .pc-rail .dc-num {
  font-family: var(--dc-mono);
  color: var(--dc-amber-bright);
  letter-spacing: .02em;
}

.page-contact .pc-rail__note {
  margin: 20px 0 0;
  padding: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dc-cool);
  border-top: 1px dashed var(--dc-felt-line);
}

.page-contact .pc-rail__media {
  margin: 22px 0 0;
}

.page-contact .pc-rail__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--dc-felt-line);
}

.page-contact .pc-rail__media figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--dc-cool);
}

/* ---------- 右侧内容流 ---------- */
.page-contact .pc-flow {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-contact .pc-block {
  padding: 28px 0 36px;
  border-top: 1px solid var(--dc-line);
}

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

.page-contact .pc-block__head {
  margin-bottom: 24px;
}

.page-contact .pc-block__head .dc-annot {
  color: var(--dc-cinnabar);
  margin: 0 0 10px;
}

.page-contact .pc-block__head .dc-title {
  margin: 0 0 12px;
}

.page-contact .pc-block__lede {
  margin: 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--dc-gray);
}

.page-contact .pc-block__lede--tight {
  margin-top: 18px;
}

.page-contact .pc-block__lede .dc-num {
  font-family: var(--dc-mono);
  color: var(--dc-brown);
}

/* ---------- 分段切换 ---------- */
.page-contact .dc-tabs__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--dc-line);
}

.page-contact .dc-tab {
  flex: 0 0 auto;
  font-family: var(--dc-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--dc-gray);
  background: transparent;
  border: 1px solid var(--dc-line);
  border-bottom: 2px solid transparent;
  padding: 10px 18px;
  cursor: pointer;
  transition: color .2s var(--dc-ease), background-color .2s var(--dc-ease), border-color .2s var(--dc-ease);
}

.page-contact .dc-tab:hover,
.page-contact .dc-tab:focus-visible {
  color: var(--dc-brown);
  border-color: var(--dc-amber);
}

.page-contact .dc-tab[aria-selected="true"] {
  color: var(--dc-brown);
  background: var(--dc-amber-soft);
  border-color: var(--dc-amber);
  border-bottom-color: var(--dc-amber);
}

.page-contact .dc-panel {
  margin-top: 22px;
  padding: 22px 20px;
  background: var(--dc-porcelain);
  border-left: 3px solid var(--dc-amber);
}

.page-contact .dc-panel[hidden] {
  display: none;
}

.page-contact .pc-channel__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  color: var(--dc-brown);
}

.page-contact .pc-channel__text {
  margin: 0 0 14px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--dc-gray);
}

.page-contact .pc-channel__meta {
  margin: 0 0 16px;
  font-family: var(--dc-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--dc-brown);
  word-break: break-word;
}

/* ---------- 材料清单 ---------- */
.page-contact .pc-materials {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-mat {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px;
  background: var(--dc-porcelain);
  border: 1px solid var(--dc-line-soft);
  transition: border-color .2s var(--dc-ease);
}

.page-contact .pc-mat:hover {
  border-color: var(--dc-amber);
}

.page-contact .pc-mat__box {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--dc-amber);
  margin-top: 2px;
}

.page-contact .pc-mat__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--dc-amber);
  border-bottom: 2px solid var(--dc-amber);
  transform: rotate(42deg);
}

.page-contact .pc-mat__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--dc-brown);
}

.page-contact .pc-mat__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--dc-gray);
}

.page-contact .pc-figure {
  margin: 22px 0 0;
}

.page-contact .pc-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--dc-line);
}

.page-contact .pc-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--dc-gray);
}

.page-contact .pc-inline-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dc-gray);
}

.page-contact .pc-inline-note a {
  color: var(--dc-cinnabar);
  text-decoration: none;
  border-bottom: 1px solid rgba(183, 35, 44, .4);
}

.page-contact .pc-inline-note a:hover,
.page-contact .pc-inline-note a:focus-visible {
  border-bottom-color: var(--dc-cinnabar);
}

/* ---------- 处理流程 ---------- */
.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .pc-step {
  position: relative;
  padding: 0 0 26px 46px;
  border-left: 1px solid var(--dc-line);
  margin-left: 15px;
}

.page-contact .pc-step:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-contact .pc-step__dot {
  position: absolute;
  left: -16px;
  top: -2px;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--dc-cinnabar);
  color: var(--dc-porcelain);
  font-family: var(--dc-mono);
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 0 0 4px var(--dc-paper);
}

.page-contact .pc-step[data-reveal].is-visible .pc-step__dot {
  animation: pc-chip-in .5s var(--dc-ease) both;
}

.page-contact .pc-step__title {
  margin: 4px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--dc-brown);
}

.page-contact .pc-step__text {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--dc-gray);
}

@keyframes pc-chip-in {
  from { transform: scale(.7); opacity: .4; }
  to { transform: scale(1); opacity: 1; }
}

/* ---------- 地址 ---------- */
.page-contact .pc-visit {
  display: inline-block;
  padding: 18px 22px;
  background: var(--dc-ink);
  border-left: 4px solid var(--dc-amber);
}

.page-contact .pc-visit__label {
  margin: 0 0 8px;
  font-family: var(--dc-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--dc-amber);
}

.page-contact .pc-visit__addr {
  margin: 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--dc-porcelain);
  word-break: break-word;
}

/* ---------- 自助入口 ---------- */
.page-contact .pc-helps {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
}

.page-contact .pc-help {
  flex: 0 0 78%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
}

.page-contact .pc-help .dc-card__foot {
  margin-top: auto;
}

.page-contact .pc-help .dc-card__title {
  font-size: 17px;
}

.page-contact .pc-help .dc-card__body {
  font-size: 14px;
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .dc-tab,
  .page-contact .pc-mat {
    transition: none;
  }
  .page-contact .pc-step[data-reveal].is-visible .pc-step__dot {
    animation: none;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-hero {
    padding: 32px 0 56px;
  }
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
    gap: 40px;
  }
  .page-contact .pc-materials {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
  .page-contact .pc-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-contact .pc-step {
    padding: 0 0 0 0;
    border-left: 0;
    margin-left: 0;
    border-top: 2px solid var(--dc-amber);
    padding-top: 18px;
  }
  .page-contact .pc-step:last-child {
    border-top-color: var(--dc-amber);
  }
  .page-contact .pc-step__dot {
    position: static;
    margin-bottom: 12px;
    box-shadow: none;
  }
  .page-contact .pc-help {
    flex: 0 0 56%;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-contact .pc-main__grid {
    grid-template-columns: var(--pc-rail-w) minmax(0, 1fr);
    gap: var(--pc-gap);
    align-items: start;
  }
  .page-contact .pc-rail {
    position: sticky;
    top: calc(var(--dc-header-h) + 24px);
    --pc-rail-pad: 28px;
  }
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 64px;
  }
  .page-contact .pc-block {
    padding: 36px 0 44px;
  }
  .page-contact .pc-block__head .dc-title {
    font-size: 30px;
  }
  .page-contact .pc-helps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-contact .pc-help {
    flex: none;
  }
  .page-contact .dc-panel {
    padding: 26px 28px;
  }
}