.page-contact {
  --pc-line: 1px solid rgba(201, 162, 39, 0.32);
  --pc-edge: 2px solid rgba(201, 162, 39, 0.42);
  --pc-hard: 6px 6px 0 0 rgba(5, 16, 12, 0.72);
  --pc-soft: rgba(242, 237, 227, 0.78);
  background:
    radial-gradient(115% 72% at 88% -12%, rgba(201, 162, 39, 0.1), transparent 58%),
    radial-gradient(85% 60% at -5% 104%, rgba(53, 210, 224, 0.055), transparent 55%),
    var(--lt-felt);
  color: var(--lt-ivory);
  padding-block: clamp(24px, 4vw, 50px) clamp(56px, 8vw, 100px);
  overflow-wrap: break-word;
}

.page-contact > .lt-section + .lt-section {
  margin-top: clamp(48px, 7vw, 92px);
}

/* ---------- 通用标题 ---------- */
.page-contact .pc-h2 {
  margin: 0;
  font-family: var(--lt-serif);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.012em;
  max-width: 22ch;
}

.page-contact .pc-sub {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pc-soft);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 46px);
  margin-top: clamp(18px, 2.6vw, 30px);
  align-items: end;
}

.page-contact .pc-hero h1 {
  margin: 10px 0 0;
  font-family: var(--lt-serif);
  font-size: clamp(30px, 5.4vw, 56px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.022em;
  max-width: 15ch;
}

.page-contact .pc-hero .lt-lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--pc-soft);
}

.page-contact .pc-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .pc-hero__figure {
  position: relative;
  margin: 0;
  border: var(--pc-edge);
  background: var(--lt-felt-2);
  box-shadow: var(--pc-hard);
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.06) brightness(0.94);
}

.page-contact .pc-hero__figure .lt-media__caption {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid rgba(201, 162, 39, 0.32);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--lt-mist);
}

/* ---------- 渠道区 ---------- */
.page-contact .pc-channels__grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 44px);
}

.page-contact .pc-channels__main .pc-sub {
  margin-bottom: 28px;
}

.page-contact .pc-channel {
  position: relative;
  margin: 0 0 18px;
  padding: clamp(18px, 2.4vw, 26px);
  border: var(--pc-edge);
  border-radius: 0;
  background: linear-gradient(155deg, var(--lt-felt-2) 0%, rgba(11, 31, 26, 0.92) 100%);
  box-shadow: var(--pc-hard);
  transition: transform 0.24s var(--lt-ease), border-color 0.24s var(--lt-ease), box-shadow 0.24s var(--lt-ease);
}

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

.page-contact .pc-channel:hover {
  transform: translateY(-4px);
  border-color: var(--lt-cyan);
  box-shadow: 8px 10px 0 0 rgba(5, 16, 12, 0.85);
}

.page-contact .pc-channel__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-contact .pc-channel__no {
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--lt-gold-soft);
}

.page-contact .pc-channel__name {
  margin: 0;
  font-family: var(--lt-serif);
  font-size: clamp(19px, 2.3vw, 25px);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-contact .pc-channel__value {
  margin: 14px 0 0;
  font-family: var(--lt-mono);
  font-size: clamp(14px, 1.8vw, 18px);
  letter-spacing: 0.02em;
  color: var(--lt-cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-channel__desc {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-soft);
}

.page-contact .pc-channel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-contact .pc-copy {
  appearance: none;
  border: 1px solid rgba(201, 162, 39, 0.55);
  border-radius: 0;
  background: transparent;
  color: var(--lt-gold-soft);
  font-family: var(--lt-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  padding: 11px 16px;
  cursor: pointer;
  transition: background 0.2s var(--lt-ease), color 0.2s var(--lt-ease), border-color 0.2s var(--lt-ease);
}

.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  background: rgba(201, 162, 39, 0.14);
  border-color: var(--lt-gold-soft);
  color: var(--lt-ivory);
}

.page-contact .pc-copy[data-copied] {
  background: var(--lt-red);
  border-color: var(--lt-red);
  color: var(--lt-ivory);
}

/* ---------- 侧栏 ---------- */
.page-contact .pc-side {
  border-top: 2px solid rgba(201, 162, 39, 0.5);
  padding-top: 20px;
}

.page-contact .pc-side__title {
  margin: 0 0 6px;
  font-family: var(--lt-serif);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-contact .pc-side__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .pc-side__item {
  padding: 16px 0;
  border-bottom: 1px dashed rgba(201, 162, 39, 0.26);
}

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

.page-contact .pc-side__tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lt-gold-soft);
  border: 1px solid rgba(201, 162, 39, 0.42);
  padding: 3px 9px;
}

.page-contact .pc-side__item p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pc-soft);
}

/* ---------- 问题分流 ---------- */
.page-contact .pc-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  margin-top: 26px;
  padding: 12px 14px;
  border: 1px solid rgba(201, 162, 39, 0.4);
  background: linear-gradient(90deg, rgba(18, 46, 38, 0.85), rgba(11, 31, 26, 0.6));
}

.page-contact .pc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .pc-chips .lt-chip {
  appearance: none;
  border: 1px solid rgba(201, 162, 39, 0.45);
  border-radius: 999px;
  background: transparent;
  color: var(--lt-mist);
  font-family: var(--lt-sans);
  font-size: 13px;
  padding: 7px 15px;
  cursor: pointer;
  transition: color 0.18s var(--lt-ease), background 0.18s var(--lt-ease), border-color 0.18s var(--lt-ease);
}

.page-contact .pc-chips .lt-chip:hover {
  border-color: var(--lt-cyan);
  color: var(--lt-ivory);
}

.page-contact .pc-chips .lt-chip[aria-pressed="true"] {
  background: var(--lt-red);
  border-color: var(--lt-red);
  color: var(--lt-ivory);
}

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

.page-contact .pc-bar__count {
  margin: 0;
  font-family: var(--lt-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--lt-gold-soft);
}

.page-contact .pc-routes {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-contact .pc-route {
  position: relative;
  padding: 24px 0 24px 18px;
  border-bottom: 1px solid rgba(201, 162, 39, 0.22);
}

.page-contact .pc-route::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  background: rgba(201, 162, 39, 0.5);
}

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

.page-contact .pc-route__no {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--lt-gold-soft);
}

.page-contact .pc-route__title {
  margin: 8px 0 0;
  font-family: var(--lt-serif);
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 800;
  letter-spacing: 0.005em;
}

.page-contact .pc-route__text {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-soft);
}

.page-contact .pc-route__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
}

.page-contact .pc-route__tag {
  font-family: var(--lt-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 11px;
  border: 1px solid rgba(53, 210, 224, 0.48);
  border-radius: 999px;
  color: var(--lt-cyan);
}

/* ---------- 时段与优先级 ---------- */
.page-contact .pc-hours__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-contact .pc-prio {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-prio__item {
  padding: 18px 20px;
  background: rgba(18, 46, 38, 0.72);
  border: 1px solid rgba(201, 162, 39, 0.28);
  border-left-width: 5px;
}

.page-contact .pc-prio__item--hot {
  border-left-color: var(--lt-red);
}

.page-contact .pc-prio__item--mid {
  border-left-color: var(--lt-gold);
}

.page-contact .pc-prio__item--low {
  border-left-color: var(--lt-mist);
}

.page-contact .pc-prio__label {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lt-mist);
}

.page-contact .pc-prio__item--hot .pc-prio__label {
  color: var(--lt-red);
}

.page-contact .pc-prio__item--mid .pc-prio__label {
  color: var(--lt-gold-soft);
}

.page-contact .pc-prio__name {
  margin: 8px 0 0;
  font-family: var(--lt-serif);
  font-size: 17px;
  font-weight: 800;
}

.page-contact .pc-prio__item p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pc-soft);
}

.page-contact .pc-hours__figure {
  margin: 0;
  border: var(--pc-edge);
  background: var(--lt-felt-2);
  box-shadow: var(--pc-hard);
}

.page-contact .pc-hours__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.05);
}

.page-contact .pc-hours__figure .lt-media__caption {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid rgba(201, 162, 39, 0.32);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--lt-mist);
}

/* ---------- 文档纠错 ---------- */
.page-contact .pc-fix__list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(201, 162, 39, 0.3);
  border: 1px solid rgba(201, 162, 39, 0.3);
}

.page-contact .pc-fix__item {
  padding: 22px 22px 24px;
  background: var(--lt-felt);
}

.page-contact .pc-fix__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--lt-gold-soft);
}

.page-contact .pc-fix__title {
  margin: 10px 0 0;
  font-family: var(--lt-serif);
  font-size: 17px;
  font-weight: 800;
}

.page-contact .pc-fix__item p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pc-soft);
}

/* ---------- 合作共建（反白区） ---------- */
.page-contact .pc-coop {
  margin-top: clamp(48px, 7vw, 92px);
  padding-block: clamp(40px, 6vw, 72px);
  background: var(--lt-ivory);
  color: var(--lt-black);
  border-block: 2px solid var(--lt-gold);
}

.page-contact .pc-coop__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-contact .pc-coop__anchor {
  color: #8A6F12;
}

.page-contact .pc-coop__title {
  margin: 10px 0 0;
  font-family: var(--lt-serif);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.012em;
  color: var(--lt-black);
  max-width: 20ch;
}

.page-contact .pc-coop__copy p {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.88;
  color: rgba(5, 16, 12, 0.78);
}

.page-contact .pc-coop__btn {
  margin-top: 24px;
}

.page-contact .pc-coop__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid rgba(5, 16, 12, 0.85);
}

.page-contact .pc-coop__list li {
  padding: 18px 0;
  border-bottom: 1px solid rgba(5, 16, 12, 0.18);
}

.page-contact .pc-coop__tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--lt-black);
  background: var(--lt-gold-soft);
  padding: 3px 10px;
}

.page-contact .pc-coop__list p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(5, 16, 12, 0.76);
}

/* ---------- 地址与备案 ---------- */
.page-contact .pc-office__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 22px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(201, 162, 39, 0.38);
}

.page-contact .pc-office__item {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  min-width: 0;
}

.page-contact .pc-office__key {
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--lt-gold-soft);
}

.page-contact .pc-office__val {
  font-family: var(--lt-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  line-height: 1.7;
  color: var(--lt-mist);
  overflow-wrap: anywhere;
}

.page-contact .pc-office__links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 0;
}

.page-contact .pc-office__links a {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--lt-mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, 0.5);
  padding-bottom: 2px;
  transition: color 0.18s var(--lt-ease), border-color 0.18s var(--lt-ease);
}

.page-contact .pc-office__links a:hover,
.page-contact .pc-office__links a:focus-visible {
  color: var(--lt-cyan);
  border-color: var(--lt-cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-fix__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .pc-channels__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .pc-side {
    position: sticky;
    top: calc(var(--lt-header-h) + 24px);
  }

  .page-contact .pc-hours__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-contact .pc-coop__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-copy,
  .page-contact .pc-chips .lt-chip,
  .page-contact .pc-office__links a {
    transition: none;
  }

  .page-contact .pc-channel:hover {
    transform: none;
  }
}