.page-contact {
  --pc-rail-w: 304px;
  --pc-gap: clamp(20px, 3vw, 44px);
  --pc-pad: clamp(18px, 2.4vw, 30px);
  --pc-ink: var(--data-white);
  background: var(--abyss);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-bottom: var(--edge) solid var(--obsidian);
  background:
    radial-gradient(120% 90% at 88% 4%, rgba(37, 244, 208, .16), transparent 62%),
    linear-gradient(155deg, var(--abyss) 0%, var(--stand) 62%, var(--stand-2) 100%);
  padding: clamp(26px, 4.6vw, 54px) 0 clamp(40px, 7vw, 86px);
}

.page-contact .pc-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .pc-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: saturate(.7) contrast(1.06);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: -1px;
  width: min(720px, 84%);
  height: clamp(76px, 15vw, 170px);
  background: linear-gradient(90deg, rgba(37, 244, 208, .10), rgba(255, 176, 32, .13));
  clip-path: polygon(20% 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-contact .pc-hero__inner {
  position: relative;
  z-index: 2;
}

.page-contact .pc-hero__kicker {
  margin: clamp(20px, 3vw, 34px) 0 0;
  color: var(--cyan);
}

.page-contact .pc-hero__title {
  margin: 12px 0 0;
  max-width: 16ch;
  font-size: clamp(32px, 6.4vw, 66px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.035em;
  color: var(--pc-ink);
}

.page-contact .pc-hero__lede {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 62ch;
  color: var(--body-soft);
}

.page-contact .pc-hero__meta {
  margin-top: clamp(18px, 3vw, 30px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.page-contact .pc-hero__meta-line {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mint);
  border-bottom: 1px dashed var(--hairline);
  padding-bottom: 3px;
  word-break: break-all;
}

/* ---------- 主体分屏 ---------- */
.page-contact .pc-body {
  background-color: var(--abyss);
  background-image:
    linear-gradient(rgba(37, 244, 208, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 244, 208, .035) 1px, transparent 1px);
  background-size: 56px 56px;
}

.page-contact .pc-body__inner {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .pc-main {
  min-width: 0;
}

/* ---------- 章节块 ---------- */
.page-contact .pc-block + .pc-block {
  margin-top: clamp(30px, 4.5vw, 58px);
  padding-top: clamp(30px, 4.5vw, 58px);
  border-top: 1px solid var(--hairline-soft);
}

.page-contact .pc-block__no {
  margin: 0 0 10px;
  color: var(--cyan);
}

.page-contact .pc-block__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--pc-ink);
}

.page-contact .pc-block__head .lede {
  margin: 12px 0 0;
  max-width: 64ch;
  color: var(--body-soft);
}

.page-contact .pc-note {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mint);
}

.page-contact .pc-inline-link {
  margin: 16px 0 0;
}

/* ---------- 联系通道卡片 ---------- */
.page-contact .pc-channels {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--pc-pad);
  border: var(--edge) solid var(--obsidian);
  background: var(--stand);
  box-shadow: var(--shadow-hard);
  transition: transform .18s ease;
}

.page-contact .pc-channel::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  width: 58px;
  height: 3px;
  background: var(--cyan);
}

.page-contact .pc-channel:hover {
  transform: translate(-3px, -3px);
}

.page-contact .pc-channel__no {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-contact .pc-channel__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--pc-ink);
}

.page-contact .pc-channel__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.1vw, 19px);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--cyan-soft);
  word-break: break-all;
}

.page-contact .pc-channel__val a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
}

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

.page-contact .pc-channel__val--plain {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--pc-ink);
  word-break: normal;
}

.page-contact .pc-channel__desc {
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mint);
}

/* ---------- 纠错清单 ---------- */
.page-contact .pc-checks {
  list-style: none;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hairline-soft);
  border: var(--edge) solid var(--obsidian);
}

.page-contact .pc-checks__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 18px;
  background: var(--stand);
  font-size: 14px;
  line-height: 1.7;
  color: var(--body-soft);
}

.page-contact .pc-checks__no {
  flex: none;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--amber);
}

/* ---------- 引导卡 ---------- */
.page-contact .pc-callout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 16px;
  margin-top: clamp(18px, 2.6vw, 28px);
  padding: var(--pc-pad);
  border: var(--edge) solid var(--obsidian);
  border-left: 5px solid var(--cyan);
  background: var(--stand-2);
  box-shadow: var(--shadow-hard);
  color: inherit;
  text-decoration: none;
  transition: transform .18s ease;
}

.page-contact .pc-callout:hover {
  transform: translate(-3px, -3px);
}

.page-contact .pc-callout .label {
  grid-column: 1;
  color: var(--amber);
}

.page-contact .pc-callout__name {
  grid-column: 1;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--pc-ink);
}

.page-contact .pc-callout__desc {
  grid-column: 1;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mint);
}

.page-contact .pc-callout__go {
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: center;
  font-size: 22px;
  color: var(--cyan);
}

/* ---------- 合作条 ---------- */
.page-contact .pc-strips {
  margin-top: clamp(18px, 2.6vw, 28px);
  display: grid;
  gap: 12px;
}

.page-contact .pc-strip {
  padding: 16px 18px;
  border: 1px solid var(--hairline);
  background: rgba(11, 43, 36, .72);
}

.page-contact .pc-strip__key {
  display: block;
  color: var(--cyan-soft);
}

.page-contact .pc-strip__val {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--body-soft);
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .pc-visit {
  margin-top: clamp(18px, 2.6vw, 28px);
  display: grid;
  gap: 18px;
}

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

.page-contact .pc-visit__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .pc-facts {
  margin: 0;
  padding: var(--pc-pad);
  border: var(--edge) solid var(--obsidian);
  background: var(--stand);
  box-shadow: var(--shadow-amber);
}

.page-contact .pc-facts__row {
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline-soft);
}

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

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

.page-contact .pc-facts__key {
  display: block;
  margin: 0 0 7px;
  color: var(--amber);
}

.page-contact .pc-facts__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--body-soft);
}

.page-contact .pc-facts__val--mono {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--cyan-soft);
}

/* ---------- 右侧栏 ---------- */
.page-contact .pc-rail {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-contact .pc-status {
  padding: var(--pc-pad);
  border: var(--edge) solid var(--obsidian);
  background: linear-gradient(160deg, var(--stand-2), var(--stand));
  box-shadow: var(--shadow-cyan);
}

.page-contact .pc-status__top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .pc-status__lamp {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pc-breathe 2.6s ease-in-out infinite;
}

@keyframes pc-breathe {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(37, 244, 208, .55);
    opacity: 1;
  }
  50% {
    box-shadow: 0 0 0 10px rgba(37, 244, 208, 0);
    opacity: .62;
  }
}

.page-contact .pc-status__text {
  margin: 12px 0 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--pc-ink);
}

.page-contact .pc-status__meta {
  margin: 6px 0 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-contact .pc-hours {
  margin: 0;
  padding: 6px var(--pc-pad);
  border: var(--edge) solid var(--obsidian);
  background: var(--stand);
}

.page-contact .pc-hours__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--hairline-soft);
  font-size: 13px;
  color: var(--mint);
}

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

.page-contact .pc-hours__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--cyan-soft);
  text-align: right;
}

.page-contact .pc-links {
  padding: var(--pc-pad);
  border: var(--edge) solid var(--obsidian);
  background: var(--stand);
}

.page-contact .pc-links__title {
  margin: 0 0 10px;
  color: var(--mint);
}

.page-contact .pc-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-contact .pc-links__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--hairline-soft);
  font-size: 14px;
  color: var(--body-soft);
  text-decoration: none;
  transition: color .16s ease, padding-left .16s ease;
}

.page-contact .pc-links__list li:last-child .pc-links__item {
  border-bottom: 0;
}

.page-contact .pc-links__item::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  opacity: .6;
  transition: opacity .16s ease;
}

.page-contact .pc-links__item:hover {
  color: var(--cyan-soft);
  padding-left: 6px;
}

.page-contact .pc-links__item:hover::after {
  opacity: 1;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-channel--wide {
    grid-column: 1 / -1;
  }

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

  .page-contact .pc-strips .pc-strip:first-child {
    grid-column: 1 / -1;
  }

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

@media (min-width: 1024px) {
  .page-contact .pc-body__inner {
    grid-template-columns: minmax(0, 1fr) var(--pc-rail-w);
    align-items: start;
  }

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

  .page-contact .pc-hero__lede {
    font-size: 16.5px;
  }
}

@media (min-width: 1280px) {
  .page-contact .pc-strips {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-strips .pc-strip:first-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-status__lamp {
    animation: none;
  }

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

  .page-contact .pc-links__item:hover {
    padding-left: 0;
  }
}