.page-contact {
  --pc-radius: 16px;
  --pc-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  background: var(--ink);
  color: var(--ivory);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: clamp(24px, 5vw, 56px) 0 clamp(32px, 6vw, 68px);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(200, 162, 74, .20), transparent 58%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: .55;
}

.page-contact .pc-hero__inner {
  display: grid;
  gap: clamp(22px, 4vw, 34px);
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--sage);
}

.page-contact .breadcrumb__link {
  color: var(--ivory);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  color: var(--gold-bright);
  border-bottom-color: var(--gold);
}

.page-contact .breadcrumb__sep {
  color: var(--sage);
}

.page-contact h1 {
  margin: 10px 0 14px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(30px, 7.6vw, 56px);
  line-height: 1.16;
  letter-spacing: .01em;
  color: var(--ivory);
}

.page-contact .pc-hero__intro {
  max-width: 46ch;
  font-size: clamp(15px, 3.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 235, 221, .8);
}

.page-contact .pc-hero__quick {
  display: grid;
  gap: 0;
  margin-top: clamp(18px, 4vw, 28px);
}

.page-contact .pc-quick {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0 16px;
  border-bottom: 1px solid var(--hairline-soft);
  text-decoration: none;
  color: inherit;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-contact .pc-quick:first-child {
  border-top: 1px solid var(--hairline-soft);
}

.page-contact .pc-quick:hover,
.page-contact .pc-quick:focus-visible {
  border-color: var(--gold);
  transform: translateX(3px);
}

.page-contact .pc-quick__label {
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--sage);
}

.page-contact .pc-quick__value {
  font-family: var(--pc-mono);
  font-size: clamp(17px, 4.4vw, 23px);
  color: var(--gold-bright);
  word-break: break-all;
  line-height: 1.4;
}

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

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--pc-radius);
  border: 1px solid var(--hairline);
}

.page-contact .pc-hero__figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--sage);
}

/* ---------- 渠道分屏 ---------- */
.page-contact .pc-channels {
  padding: clamp(30px, 6vw, 72px) 0;
  background: var(--ink-deep);
  border-bottom: 1px solid var(--hairline-soft);
}

.page-contact .pc-channels__grid {
  display: grid;
  gap: clamp(20px, 4vw, 30px);
}

.page-contact .pc-glass {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4.4vw, 36px);
  border-radius: var(--pc-radius);
  border: 1px solid var(--hairline);
  background: linear-gradient(160deg, rgba(19, 58, 48, .94), rgba(7, 31, 26, .88));
  backdrop-filter: blur(12px);
  box-shadow: 0 30px 70px -46px rgba(0, 0, 0, .9);
}

.page-contact .pc-glass::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 76px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-bright), transparent);
}

.page-contact .pc-glass h2 {
  margin: 8px 0 12px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(22px, 4.8vw, 32px);
  line-height: 1.34;
  color: var(--ivory);
}

.page-contact .pc-glass__text {
  margin-bottom: 6px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 235, 221, .76);
}

.page-contact .pc-channel {
  display: block;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline-soft);
  text-decoration: none;
  color: inherit;
  transition: border-color .3s var(--ease);
}

.page-contact .pc-channel:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

.page-contact .pc-channel:hover,
.page-contact .pc-channel:focus-visible {
  border-color: var(--gold);
}

.page-contact .pc-channel__label {
  display: block;
  margin-bottom: 6px;
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--sage);
}

.page-contact .pc-channel__num {
  display: block;
  font-family: var(--serif);
  font-size: clamp(21px, 5.4vw, 30px);
  letter-spacing: .03em;
  color: var(--ivory);
  transition: color .3s var(--ease);
}

.page-contact .pc-channel:hover .pc-channel__num,
.page-contact .pc-channel:focus-visible .pc-channel__num {
  color: var(--gold-bright);
}

.page-contact .pc-channel__num--mail {
  font-family: var(--pc-mono);
  font-size: clamp(14px, 3.7vw, 19px);
  letter-spacing: 0;
  line-height: 1.5;
  word-break: break-all;
}

.page-contact .pc-channel__hint {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--sage);
}

.page-contact .pc-channels__side {
  display: grid;
  gap: clamp(18px, 3vw, 24px);
}

.page-contact .pc-paper {
  padding: clamp(22px, 4.4vw, 34px);
  border-radius: var(--pc-radius);
  background: var(--paper);
  color: var(--char);
  border: 1px solid rgba(10, 12, 11, .1);
  box-shadow: 0 26px 60px -40px rgba(0, 0, 0, .78);
}

.page-contact .pc-paper .eyebrow {
  color: var(--crimson);
}

.page-contact .pc-paper h2 {
  margin: 8px 0 12px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(21px, 4.6vw, 28px);
  line-height: 1.36;
  color: var(--char);
}

.page-contact .pc-paper > p {
  font-size: 14.5px;
  line-height: 1.85;
  color: #3a463f;
}

.page-contact .pc-paper__steps {
  display: grid;
  gap: 10px;
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
}

.page-contact .pc-paper__steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding-top: 10px;
  border-top: 1px solid rgba(10, 12, 11, .12);
}

.page-contact .pc-paper__num {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--crimson);
  line-height: 1.7;
}

.page-contact .pc-paper__steps p {
  font-size: 14px;
  line-height: 1.8;
  color: #3a463f;
}

.page-contact .pc-paper__steps strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 600;
  color: var(--char);
}

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

.page-contact .pc-channels__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--pc-radius);
  border: 1px solid var(--hairline);
}

/* ---------- 地址条 ---------- */
.page-contact .pc-address {
  position: relative;
  padding: clamp(26px, 5vw, 48px) 0;
  background:
    linear-gradient(90deg, rgba(200, 162, 74, .10), transparent 60%),
    var(--ink);
  border-bottom: 1px solid var(--hairline);
}

.page-contact .pc-address__inner {
  display: grid;
  gap: 20px;
  align-items: center;
}

.page-contact .pc-address__line {
  margin-top: 8px;
  font-family: var(--serif);
  font-size: clamp(19px, 4.6vw, 30px);
  line-height: 1.4;
  letter-spacing: .02em;
  color: var(--ivory);
}

.page-contact .pc-address__meta {
  padding-left: 16px;
  border-left: 2px solid var(--gold);
}

.page-contact .pc-address__time {
  font-family: var(--pc-mono);
  font-size: clamp(15px, 3.7vw, 19px);
  letter-spacing: .04em;
  color: var(--gold-bright);
}

.page-contact .pc-address__note {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--sage);
}

/* ---------- 咨询分类 ---------- */
.page-contact .pc-topics {
  padding: clamp(32px, 6vw, 76px) 0;
  background: var(--ivory);
  color: var(--char);
}

.page-contact .pc-topics__head {
  max-width: 620px;
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-contact .eyebrow--dark {
  color: var(--crimson);
}

.page-contact .pc-topics__head h2 {
  margin: 8px 0 12px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(24px, 5.4vw, 38px);
  line-height: 1.3;
  color: var(--char);
}

.page-contact .pc-topics__head p {
  font-size: 15px;
  line-height: 1.85;
  color: #45524b;
}

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

.page-contact .pc-topic {
  position: relative;
  padding: 20px 18px 18px;
  border-radius: 14px;
  background: var(--paper);
  border: 1px solid rgba(10, 12, 11, .12);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-contact .pc-topic::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  border-radius: 14px 14px 0 0;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}

.page-contact .pc-topic:hover,
.page-contact .pc-topic:focus-within {
  transform: translateY(-3px);
  border-color: rgba(200, 162, 74, .55);
  box-shadow: 0 22px 44px -34px rgba(7, 31, 26, .9);
}

.page-contact .pc-topic:hover::before,
.page-contact .pc-topic:focus-within::before {
  transform: scaleX(1);
}

.page-contact .pc-topic__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 14px;
  border-radius: 10px;
  border: 1px solid var(--hairline);
  background: var(--ink-deep);
  color: var(--gold);
}

.page-contact .pc-topic h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.5;
  color: var(--char);
}

.page-contact .pc-topic p {
  font-size: 14px;
  line-height: 1.8;
  color: #4b5851;
}

.page-contact .pc-topic .tag {
  display: inline-block;
  margin-top: 12px;
  padding: 3px 10px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--crimson);
  background: transparent;
  border: 1px solid rgba(122, 31, 43, .32);
  border-radius: 999px;
}

.page-contact .pc-flow {
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: 22px;
  border-top: 1px solid rgba(10, 12, 11, .16);
}

.page-contact .pc-flow h3 {
  margin-bottom: 12px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(18px, 4vw, 22px);
  color: var(--char);
}

.page-contact .pc-flow__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pcflow;
}

.page-contact .pc-flow__list li {
  position: relative;
  padding-left: 32px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #45524b;
}

.page-contact .pc-flow__list li::before {
  counter-increment: pcflow;
  content: counter(pcflow, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--serif);
  font-size: 14px;
  color: var(--crimson);
}

/* ---------- 合作与反馈 ---------- */
.page-contact .pc-collab {
  padding: clamp(32px, 6vw, 76px) 0;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
  border-top: 1px solid var(--hairline);
}

.page-contact .pc-collab__inner {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-contact .pc-collab h2 {
  margin: 8px 0 12px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(23px, 5.2vw, 36px);
  line-height: 1.32;
  color: var(--ivory);
}

.page-contact .pc-collab__text {
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 235, 221, .78);
}

.page-contact .pc-collab__side {
  padding: clamp(20px, 4vw, 30px);
  border-radius: var(--pc-radius);
  border: 1px solid var(--hairline);
  background: rgba(19, 58, 48, .55);
  backdrop-filter: blur(10px);
}

.page-contact .pc-collab__label {
  margin-bottom: 12px;
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--gold-bright);
}

.page-contact .pc-collab__list {
  display: grid;
  gap: 9px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-contact .pc-collab__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 235, 221, .86);
}

.page-contact .pc-collab__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-topics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .pc-address__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 32px;
  }

  .page-contact .pc-address__meta {
    justify-self: start;
  }
}

@media (min-width: 860px) {
  .page-contact .pc-flow__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: center;
    gap: clamp(30px, 5vw, 64px);
  }

  .page-contact .pc-collab__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: clamp(30px, 5vw, 60px);
  }
}

@media (min-width: 920px) {
  .page-contact .pc-channels__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-topics__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-quick,
  .page-contact .pc-channel,
  .page-contact .pc-channel__num,
  .page-contact .pc-topic,
  .page-contact .pc-topic::before,
  .page-contact .breadcrumb__link {
    transition: none;
  }

  .page-contact .pc-quick:hover,
  .page-contact .pc-quick:focus-visible,
  .page-contact .pc-topic:hover,
  .page-contact .pc-topic:focus-within {
    transform: none;
  }
}