.page-contact {
  --pc-line: rgba(168, 201, 184, .22);
  --pc-line-soft: rgba(168, 201, 184, .12);
  background: var(--ink);
  color: var(--text-on-dark);
  padding-top: clamp(88px, 13vw, 148px);
  padding-bottom: clamp(24px, 5vw, 48px);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  padding-bottom: clamp(28px, 5vw, 52px);
}

.page-contact .breadcrumbs {
  color: var(--text-mute-dark);
  font-size: var(--fs-14);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .breadcrumbs a {
  color: var(--gold-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-1) var(--ease);
}

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

.page-contact .pc-hero .eyebrow {
  color: var(--gold);
  margin: 0 0 14px;
}

.page-contact .pc-hero__title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(2.4rem, 8.6vw, 6.5rem);
  line-height: 1.02;
  letter-spacing: -.02em;
  margin: 0;
  color: var(--near-white);
}

.page-contact .pc-hero__line {
  display: block;
}

.page-contact .pc-hero__line--accent {
  color: var(--gold);
  text-shadow: 5px 5px 0 rgba(10, 29, 23, .92);
}

.page-contact .pc-hero__lede {
  max-width: 62ch;
  margin: clamp(18px, 3vw, 28px) 0 0;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--text-on-dark);
}

/* ---------- 联系渠道分屏 ---------- */

.page-contact .pc-channels {
  padding-bottom: clamp(36px, 6vw, 76px);
}

.page-contact .pc-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 28px);
}

.page-contact .pc-block {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-contact .pc-block--dark {
  background-color: var(--ink-2);
  border: var(--line-strong) solid var(--pc-line);
  box-shadow: 6px 6px 0 rgba(8, 20, 17, .9);
  color: var(--text-on-dark);
}

.page-contact .pc-block--paper {
  background: var(--paper);
  border: var(--line-strong) solid var(--black);
  box-shadow: 6px 6px 0 rgba(217, 164, 65, .42);
  color: var(--text-on-light);
}

.page-contact .pc-block__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .17;
  filter: saturate(.45) contrast(1.05);
  pointer-events: none;
}

.page-contact .pc-block__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: clamp(22px, 4vw, 38px);
}

.page-contact .pc-block__title {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.4rem, 4vw, 2rem);
  line-height: 1.25;
  margin: 0;
  color: var(--near-white);
}

.page-contact .pc-block--paper .pc-block__title {
  color: var(--ink);
}

.page-contact .pc-block__sub {
  margin: 10px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-mute-dark);
}

.page-contact .pc-block--paper .pc-block__sub {
  color: var(--text-mute-light);
}

.page-contact .pc-lines {
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  display: grid;
  gap: 18px;
}

.page-contact .pc-line {
  border-top: var(--line-thin) solid var(--pc-line);
  padding-top: 12px;
}

.page-contact .pc-line__key {
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: var(--gold-2);
}

.page-contact .pc-line__body {
  margin: 6px 0 0;
}

.page-contact .pc-line__val {
  display: inline-block;
  font-size: clamp(1rem, 3.4vw, 1.5rem);
  line-height: 1.4;
  color: var(--near-white);
  border-bottom: 3px solid var(--gold);
  padding-bottom: 4px;
  word-break: break-all;
}

.page-contact .pc-block__note {
  margin: auto 0 0;
  padding-top: clamp(20px, 3vw, 30px);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-mute-dark);
}

/* ---------- 来信清单 ---------- */

.page-contact .pc-steps {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 16px;
  background: var(--near-white);
  border: var(--line-thin) solid var(--ink);
  border-radius: 12px;
  transition: transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}

.page-contact .pc-step:hover,
.page-contact .pc-step:focus-within {
  transform: translateX(4px);
  box-shadow: -4px 4px 0 rgba(14, 42, 34, .2);
}

.page-contact .pc-step__num {
  align-self: start;
  background: var(--ink);
  color: var(--gold);
  font-weight: 700;
  font-size: var(--fs-14);
  line-height: 1.2;
  padding: 5px 9px;
  border-radius: 8px;
}

.page-contact .pc-step__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: var(--fs-17);
  margin: 0 0 5px;
  color: var(--ink);
}

.page-contact .pc-step__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-mute-light);
}

/* ---------- 服务时段 ---------- */

.page-contact .pc-hours {
  background: var(--paper);
  color: var(--text-on-light);
  padding: clamp(40px, 7vw, 88px) 0;
  border-top: var(--line-strong) solid var(--black);
  border-bottom: var(--line-strong) solid var(--black);
}

.page-contact .pc-hours .eyebrow {
  color: var(--moss);
  margin: 0 0 12px;
}

.page-contact .pc-hours .section-title {
  color: var(--ink);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 12px;
  margin: 0;
}

.page-contact .pc-hours__board {
  margin-top: clamp(22px, 3.5vw, 34px);
  display: grid;
  border-top: var(--line-thin) solid rgba(30, 31, 29, .22);
}

.page-contact .pc-hours__board .data-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 2px;
  border-bottom: var(--line-thin) solid rgba(30, 31, 29, .14);
}

.page-contact .pc-hours__board .data-key {
  font-size: var(--fs-14);
  letter-spacing: .08em;
  color: var(--moss);
}

.page-contact .pc-hours__board .data-value {
  font-size: var(--fs-17);
  color: var(--ink);
}

.page-contact .pc-hours__note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 60ch;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text-mute-light);
}

/* ---------- 合作与投稿 ---------- */

.page-contact .pc-collab {
  padding: clamp(44px, 7vw, 92px) 0 0;
}

.page-contact .pc-collab .eyebrow {
  color: var(--gold);
  margin: 0 0 12px;
}

.page-contact .pc-collab .section-title {
  color: var(--near-white);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 12px;
  margin: 0;
}

.page-contact .pc-collab__lede {
  max-width: 58ch;
  margin: 16px 0 0;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--text-on-dark);
}

.page-contact .pc-collab__grid {
  margin-top: clamp(30px, 5vw, 52px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 26px);
}

.page-contact .pc-collab__card {
  position: relative;
  background: var(--ink-2);
  border: var(--line-strong) solid var(--pc-line);
  border-radius: var(--radius-card);
  padding: clamp(24px, 3.5vw, 30px) clamp(20px, 3vw, 26px) clamp(20px, 3vw, 26px);
  box-shadow: 5px 5px 0 rgba(8, 20, 17, .9);
  transition: transform var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
}

.page-contact .pc-collab__card:hover,
.page-contact .pc-collab__card:focus-within {
  transform: translateY(-4px);
  border-color: var(--gold);
}

.page-contact .pc-collab__flag {
  position: absolute;
  top: -14px;
  left: 18px;
  background: var(--cinnabar);
  color: var(--near-white);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: .08em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 2px solid var(--black);
}

.page-contact .pc-collab__title {
  font-family: var(--serif);
  font-weight: 800;
  font-size: var(--fs-21);
  line-height: 1.35;
  margin: 0;
  color: var(--near-white);
}

.page-contact .pc-collab__text {
  margin: 12px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text-mute-dark);
  transition: color var(--dur-2) var(--ease);
}

.page-contact .pc-collab__card:hover .pc-collab__text {
  color: var(--text-on-dark);
}

.page-contact .pc-collab__figure {
  margin: clamp(30px, 5vw, 52px) 0 0;
  border: var(--line-strong) solid var(--pc-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-2);
}

.page-contact .pc-collab__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .pc-collab__figure figcaption {
  padding: 14px clamp(16px, 3vw, 24px);
  border-top: var(--line-thin) solid var(--pc-line);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-mute-dark);
}

/* ---------- 通讯地址 ---------- */

.page-contact .pc-address {
  padding: clamp(44px, 7vw, 92px) 0 clamp(24px, 4vw, 40px);
}

.page-contact .pc-address__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  background: var(--ink-2);
  border: var(--line-strong) solid var(--gold);
  border-radius: var(--radius-card);
  padding: clamp(24px, 4vw, 44px);
  box-shadow: 7px 7px 0 rgba(217, 164, 65, .34);
}

.page-contact .pc-address .section-title {
  color: var(--near-white);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 12px;
  margin: 0;
}

.page-contact .pc-address__value {
  margin: 20px 0 0;
  padding-left: 16px;
  border-left: 4px solid var(--gold);
  font-size: clamp(1.05rem, 3.2vw, 1.65rem);
  line-height: 1.55;
  color: var(--near-white);
}

.page-contact .pc-address__note {
  margin: 14px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text-mute-dark);
}

.page-contact .pc-quicklinks__label {
  margin: 0 0 12px;
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--gold-2);
}

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

.page-contact .pc-quicklinks a {
  display: block;
  padding: 12px 16px;
  border: var(--line-thin) solid var(--pc-line);
  border-radius: 10px;
  color: var(--text-on-dark);
  text-decoration: none;
  font-size: var(--fs-14);
  line-height: 1.5;
  transition: border-color var(--dur-1) var(--ease),
              background-color var(--dur-1) var(--ease),
              color var(--dur-1) var(--ease);
}

.page-contact .pc-quicklinks a:hover,
.page-contact .pc-quicklinks a:focus-visible {
  border-color: var(--gold);
  background: rgba(217, 164, 65, .12);
  color: var(--gold-2);
}

/* ---------- 焦点态 ---------- */

.page-contact a:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

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

@media (min-width: 720px) {
  .page-contact .pc-hours__board .data-row {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }
}

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

  .page-contact .pc-address__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-collab__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition: none !important;
    animation: none !important;
    transform: none !important;
  }
}