.page-contact {
  --pc-pad: 24px;
  --pc-radius: var(--wk-radius);
  overflow-x: hidden;
  background: var(--wk-ink);
  color: var(--wk-text);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: 58px 0 52px;
  overflow: hidden;
  border-bottom: 1px solid var(--wk-line);
}

.page-contact .pc-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
  opacity: .3;
  filter: saturate(1.15) contrast(1.06);
}

.page-contact .pc-hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 16, 23, .42) 0%, rgba(10, 16, 23, .88) 58%, var(--wk-ink) 100%),
    linear-gradient(118deg, rgba(255, 106, 26, .22) 0%, rgba(42, 35, 80, .18) 44%, rgba(10, 16, 23, 0) 72%);
}

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

.page-contact .pc-hero__title {
  margin: 16px 0 0;
  font-size: clamp(36px, 8.4vw, 68px);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--wk-text);
  text-shadow: 0 0 34px rgba(255, 106, 26, .26);
}

.page-contact .pc-hero__lede {
  max-width: 54ch;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.62;
  color: var(--wk-muted);
}

.page-contact .pc-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-hero__chips li {
  padding: 7px 14px;
  border: 1px solid rgba(216, 169, 59, .34);
  border-radius: 999px;
  font-family: var(--wk-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--wk-gold);
  background: rgba(216, 169, 59, .07);
}

/* ---------- 区块通用标题 ---------- */
.page-contact .pc-sec {
  margin: 0 0 26px;
  font-size: clamp(24px, 4.4vw, 34px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -.01em;
}

/* ---------- 联系主线 ---------- */
.page-contact .pc-board {
  padding: 60px 0 8px;
}

.page-contact .pc-board__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .pc-rail {
  display: grid;
  gap: 18px;
}

.page-contact .pc-chan {
  position: relative;
  padding: var(--pc-pad);
  border: 1px solid var(--wk-line);
  border-radius: var(--pc-radius);
  background: var(--wk-solid);
  overflow: hidden;
}

.page-contact .pc-chan::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--wk-lava), var(--wk-gold));
}

.page-contact .pc-chan--tel::before {
  background: linear-gradient(180deg, var(--wk-ice), var(--wk-neon));
}

.page-contact .pc-chan__key {
  margin: 0;
  font-family: var(--wk-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--wk-ice);
}

.page-contact .pc-chan--tel .pc-chan__key {
  color: var(--wk-neon);
}

.page-contact .pc-chan__val {
  margin: 10px 0 0;
  font-family: var(--wk-mono);
  font-size: clamp(17px, 4.2vw, 27px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--wk-text);
  word-break: break-word;
}

.page-contact .pc-chan--tel .pc-chan__val {
  color: var(--wk-neon);
  text-shadow: 0 0 22px rgba(77, 255, 158, .22);
}

.page-contact .pc-chan__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--wk-muted);
}

/* ---------- 事项卡片 ---------- */
.page-contact .pc-cards {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .pc-cards__media {
  border-radius: var(--pc-radius);
  overflow: hidden;
}

.page-contact .pc-cards__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .pc-note {
  position: relative;
  padding: var(--pc-pad);
  border: 1px solid var(--wk-line);
  border-radius: var(--pc-radius);
  transition: transform .32s ease, box-shadow .32s ease, border-color .32s ease;
}

.page-contact .pc-note--teal {
  background: linear-gradient(152deg, rgba(14, 42, 49, .94), rgba(20, 28, 38, .98));
  box-shadow: inset 0 0 0 1px rgba(127, 212, 240, .08);
}

.page-contact .pc-note--wine {
  background: linear-gradient(152deg, rgba(92, 27, 43, .9), rgba(20, 28, 38, .98));
  box-shadow: inset 0 0 0 1px rgba(216, 169, 59, .1);
}

.page-contact .pc-note--indigo {
  background: linear-gradient(152deg, rgba(42, 35, 80, .94), rgba(20, 28, 38, .98));
  box-shadow: inset 0 0 0 1px rgba(127, 212, 240, .1);
}

.page-contact .pc-note:hover,
.page-contact .pc-note:focus-within {
  transform: translateY(-4px);
  border-color: rgba(255, 106, 26, .48);
  box-shadow: 0 18px 40px -22px rgba(255, 106, 26, .5);
}

.page-contact .pc-note__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--wk-text);
}

.page-contact .pc-note__txt {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--wk-muted);
}

.page-contact .pc-note__more {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .38s ease, opacity .3s ease, margin-top .38s ease;
}

.page-contact .pc-note__more p {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid rgba(216, 169, 59, .5);
  font-size: 14px;
  line-height: 1.6;
  color: var(--wk-text);
}

@media (hover: none) {
  .page-contact .pc-note__more {
    max-height: none;
    opacity: 1;
    margin-top: 12px;
  }
}

/* ---------- 通信地址坐标条 ---------- */
.page-contact .pc-coord {
  padding: 56px 0 0;
}

.page-contact .pc-coord__bar {
  padding: 28px 22px 30px;
  border: 1px solid var(--wk-line);
  border-radius: var(--pc-radius);
  background: linear-gradient(120deg, rgba(14, 42, 49, .78), rgba(10, 16, 23, .92));
}

.page-contact .pc-coord__title {
  margin: 12px 0 0;
  font-size: clamp(20px, 4.6vw, 29px);
  font-weight: 800;
  line-height: 1.34;
  color: var(--wk-text);
  letter-spacing: .01em;
}

.page-contact .pc-coord__txt {
  max-width: 62ch;
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--wk-muted);
}

.page-contact .pc-coord__scale {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-coord__tick {
  position: relative;
  padding-top: 24px;
  font-family: var(--wk-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--wk-muted);
  overflow-wrap: anywhere;
}

.page-contact .pc-coord__tick::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(127, 212, 240, .55), rgba(127, 212, 240, .06));
}

.page-contact .pc-coord__dot {
  position: absolute;
  top: 1px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--wk-ice);
  box-shadow: 0 0 0 4px rgba(127, 212, 240, .14);
}

.page-contact .pc-coord__tick.is-here {
  color: var(--wk-text);
  font-weight: 700;
}

.page-contact .pc-coord__tick.is-here .pc-coord__dot {
  background: var(--wk-neon);
  box-shadow: 0 0 0 4px rgba(77, 255, 158, .2);
}

/* ---------- 商务与合作 ---------- */
.page-contact .pc-biz {
  padding: 56px 0 0;
}

.page-contact .pc-biz__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: 28px 22px 30px;
  border: 1px solid rgba(42, 35, 80, .9);
  border-radius: var(--pc-radius);
  background: linear-gradient(150deg, rgba(42, 35, 80, .58), rgba(10, 16, 23, .96));
}

.page-contact .pc-biz__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 4.6vw, 30px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--wk-text);
}

.page-contact .pc-biz__txt {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.62;
  color: var(--wk-muted);
}

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

.page-contact .pc-biz__list li {
  padding: 16px 18px;
  border: 1px solid var(--wk-line);
  border-radius: 14px;
  background: rgba(20, 28, 38, .78);
  transition: border-color .3s ease, background .3s ease;
}

.page-contact .pc-biz__list li:hover {
  border-color: rgba(216, 169, 59, .48);
  background: rgba(20, 28, 38, .95);
}

.page-contact .pc-biz__list h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--wk-gold);
}

.page-contact .pc-biz__list p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--wk-muted);
}

/* ---------- 回复节奏 ---------- */
.page-contact .pc-flow {
  padding: 56px 0 76px;
}

.page-contact .pc-flow__title {
  margin: 12px 0 24px;
  font-size: clamp(24px, 4.8vw, 34px);
  line-height: 1.22;
  font-weight: 800;
  color: var(--wk-text);
}

.page-contact .pc-flow__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-flow__step {
  position: relative;
  padding: 20px 22px 22px;
  border: 1px solid var(--wk-line);
  border-left: 3px solid var(--wk-lava);
  border-radius: 0 16px 16px 0;
  background: var(--wk-glass);
}

.page-contact .pc-flow__step:nth-child(2) {
  border-left-color: var(--wk-neon);
}

.page-contact .pc-flow__step:nth-child(3) {
  border-left-color: var(--wk-ice);
}

.page-contact .pc-flow__num {
  display: block;
  font-family: var(--wk-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--wk-gold);
}

.page-contact .pc-flow__step h3 {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--wk-text);
}

.page-contact .pc-flow__step p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--wk-muted);
}

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

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-hero {
    padding: 92px 0 80px;
  }

  .page-contact .pc-coord__scale {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-board,
  .page-contact .pc-coord,
  .page-contact .pc-biz,
  .page-contact .pc-flow {
    padding-top: 76px;
  }

  .page-contact .pc-flow {
    padding-bottom: 96px;
  }

  .page-contact .pc-flow__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-biz__panel,
  .page-contact .pc-coord__bar {
    padding: 36px 40px 40px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-board__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-contact .pc-biz__panel {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 40px;
    align-items: start;
  }

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

@media (min-width: 1080px) {
  .page-contact .pc-chan {
    padding: 30px 32px 32px;
  }

  .page-contact .pc-note {
    padding: 26px 28px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-note,
  .page-contact .pc-note__more,
  .page-contact .pc-biz__list li {
    transition: none;
  }

  .page-contact .pc-note:hover,
  .page-contact .pc-note:focus-within {
    transform: none;
  }
}