.page-contact {
  --pc-rule: rgba(63, 235, 208, .07);
  --pc-card-pad: clamp(20px, 3vw, 32px);
  --pc-block-gap: clamp(26px, 4vw, 48px);
}

/* ---- 面包屑 ---- */
.page-contact .pc-crumbs {
  padding-top: clamp(18px, 3.4vw, 34px);
}

/* ---- 首屏 ---- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 48px) 0 clamp(52px, 8vw, 104px);
  isolation: isolate;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -18%;
  width: min(720px, 92vw);
  height: min(720px, 92vw);
  background: radial-gradient(circle at 58% 42%, var(--glow) 0%, rgba(14, 59, 74, .35) 42%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.page-contact .pc-hero-grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-contact .pc-hero-title {
  margin: 14px 0 0;
  font-size: clamp(2.15rem, 6.4vw, 4.3rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-shadow: 0 0 24px rgba(200, 162, 76, .26);
}

.page-contact .pc-hero-lede {
  margin: 20px 0 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.85;
}

.page-contact .pc-hero-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  gap: 10px;
}

.page-contact .pc-hero-actions {
  margin: 30px 0 0;
  gap: 14px;
}

.page-contact .pc-hero-media {
  position: relative;
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  background: linear-gradient(160deg, var(--panel), var(--ink));
}

/* ---- 区块标题 ---- */
.page-contact .pc-sec-title {
  margin: 10px 0 0;
  font-size: clamp(1.6rem, 4vw, 2.55rem);
  line-height: 1.18;
}

.page-contact .pc-sec-sub {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--muted);
  line-height: 1.88;
}

/* ---- 联络渠道 ---- */
.page-contact .pc-channel-layout {
  margin-top: var(--pc-block-gap);
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-contact .pc-channel-rail {
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .pc-rail-item {
  display: block;
  padding: 16px 16px 16px 18px;
  border-left: 3px solid var(--line);
  color: var(--text);
  text-decoration: none;
  transition: border-color .2s ease, background-color .2s ease;
}

.page-contact .pc-rail-num {
  display: block;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-contact .pc-rail-name {
  display: block;
  margin-top: 4px;
  font-size: 1.04rem;
  font-weight: 700;
}

.page-contact .pc-rail-value {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: .76rem;
  line-height: 1.6;
  color: var(--muted);
  word-break: break-word;
}

.page-contact .pc-rail-item:hover,
.page-contact .pc-rail-item:focus-visible {
  border-left-color: var(--cyan);
  background-color: var(--pc-rule);
}

.page-contact .pc-channel-card {
  padding: var(--pc-card-pad);
  scroll-margin-top: 92px;
}

.page-contact .pc-channel-card + .pc-channel-card {
  margin-top: clamp(16px, 2.4vw, 26px);
}

.page-contact .pc-channel-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-contact .pc-channel-glyph {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--line);
  background: var(--ink);
  color: var(--cyan);
}

.page-contact #pc-mail .pc-channel-glyph { color: var(--gold); border-color: var(--gold); }
.page-contact #pc-phone .pc-channel-glyph { color: var(--cyan); border-color: var(--cyan); }
.page-contact #pc-address .pc-channel-glyph { color: var(--coral); border-color: var(--coral); }

.page-contact .pc-channel-head .card-meta {
  margin-top: 4px;
  word-break: break-word;
}

.page-contact .pc-channel-body {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.88;
}

.page-contact .pc-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-list li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.8;
}

.page-contact .pc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .pc-channel-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.8;
}

.page-contact .pc-inline-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-inline-link:hover,
.page-contact .pc-inline-link:focus-visible {
  color: var(--gold-hi);
}

/* ---- 服务时段横条 ---- */
.page-contact .pc-window {
  position: relative;
  margin: clamp(56px, 8vw, 108px) 0;
  padding: clamp(46px, 7vw, 92px) 0;
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .pc-window-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  border: 0;
  aspect-ratio: auto;
  opacity: .3;
}

.page-contact .pc-window-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .pc-window::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(5, 25, 19, .82), rgba(5, 25, 19, .94));
  pointer-events: none;
}

.page-contact .pc-window-title {
  margin: 10px 0 0;
  font-size: clamp(1.6rem, 4.2vw, 2.7rem);
  line-height: 1.16;
}

.page-contact .pc-window-sub {
  margin: 16px 0 0;
  max-width: 64ch;
  color: var(--muted);
  line-height: 1.88;
}

.page-contact .pc-scale {
  position: relative;
  height: 44px;
  margin-top: clamp(28px, 4vw, 42px);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  background-image: linear-gradient(90deg, var(--line) 0 1px, transparent 1px);
  background-size: 12.5% 100%;
  background-repeat: repeat-x;
}

.page-contact .pc-scale::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 6px;
  transform: translateY(-50%);
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-hi) 52%, var(--cyan) 100%);
  box-shadow: 0 0 22px rgba(200, 162, 76, .45);
}

.page-contact .pc-scale-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--muted);
}

.page-contact .pc-window-facts {
  display: grid;
  gap: 16px;
  margin: clamp(26px, 4vw, 44px) 0 0;
}

.page-contact .pc-window-facts > div {
  padding-left: 16px;
  border-left: 3px solid var(--gold);
}

.page-contact .pc-window-facts dt {
  font-weight: 700;
  color: var(--text);
}

.page-contact .pc-window-facts dd {
  margin: 6px 0 0;
  font-size: .94rem;
  color: var(--muted);
  line-height: 1.8;
}

.page-contact .pc-window-more {
  margin-top: clamp(24px, 3.4vw, 36px);
  border: 2px solid var(--line);
  background: rgba(11, 42, 34, .72);
}

/* ---- 来信材料 ---- */
.page-contact .pc-material-grid {
  margin-top: var(--pc-block-gap);
  gap: clamp(16px, 2.4vw, 22px);
}

.page-contact .pc-material-card {
  padding: var(--pc-card-pad);
  border-top: 3px solid var(--cyan);
}

.page-contact .pc-material-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.55rem;
  line-height: 1;
  color: var(--gold);
}

.page-contact .pc-material-card .card-title {
  margin-top: 12px;
}

.page-contact .pc-material-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.85;
  font-size: .96rem;
}

.page-contact .pc-template {
  margin-top: var(--pc-block-gap);
  border: 2px solid var(--line);
  background: linear-gradient(150deg, var(--panel), var(--ink));
  box-shadow: var(--shadow-hard);
}

.page-contact .pc-template-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 22px;
  border-bottom: 2px solid var(--line);
}

.page-contact .pc-template-head h3 {
  margin: 0;
  font-size: 1.04rem;
}

.page-contact .pc-template-body {
  margin: 0;
  padding: 22px;
  font-family: var(--font-mono);
  font-size: .86rem;
  line-height: 2;
  color: var(--cyan);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.page-contact .pc-template-more {
  border-top: 2px solid var(--line);
}

/* ---- 自助入口 ---- */
.page-contact .pc-self-grid {
  margin-top: var(--pc-block-gap);
  display: grid;
  gap: 16px;
}

.page-contact .pc-self-card {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 26px);
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  box-shadow: var(--shadow-hard-sm);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.page-contact .pc-self-card:nth-child(1) { border-top-color: var(--gold); }
.page-contact .pc-self-card:nth-child(2) { border-top-color: var(--cyan); }
.page-contact .pc-self-card:nth-child(3) { border-top-color: var(--coral); }
.page-contact .pc-self-card:nth-child(4) { border-top-color: var(--gold-hi); }

.page-contact .pc-self-card:hover,
.page-contact .pc-self-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, .45);
}

.page-contact .pc-self-title {
  margin: 14px 0 0;
  font-size: 1.06rem;
  line-height: 1.4;
}

.page-contact .pc-self-desc {
  margin: 10px 0 0;
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.75;
}

.page-contact .pc-self-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.7;
}

.page-contact .pc-self-list li {
  position: relative;
  padding-left: 14px;
}

.page-contact .pc-self-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---- 平板与桌面 ---- */
@media (min-width: 700px) {
  .page-contact .pc-window-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

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

@media (min-width: 900px) {
  .page-contact .pc-hero-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: clamp(36px, 6vw, 84px);
  }

  .page-contact .pc-channel-layout {
    grid-template-columns: minmax(228px, 274px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .pc-channel-rail {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1100px) {
  .page-contact .pc-self-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) and (hover: hover) {
  .page-contact .pc-self-list {
    max-height: 0;
    margin-top: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height .24s ease-out, margin-top .24s ease-out, opacity .24s ease-out;
  }

  .page-contact .pc-self-card:hover .pc-self-list,
  .page-contact .pc-self-card:focus-visible .pc-self-list {
    max-height: 280px;
    margin-top: 14px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-rail-item,
  .page-contact .pc-self-card,
  .page-contact .pc-self-list {
    transition: none;
  }

  .page-contact .pc-self-card:hover,
  .page-contact .pc-self-card:focus-visible {
    transform: none;
  }
}