.page-contact {
  --pc-radius: 20px;
  --pc-gap: 24px;
  --pc-sticky: 104px;
  padding-bottom: clamp(48px, 8vw, 88px);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding-top: calc(var(--head-h) + 18px);
  padding-bottom: 8px;
  overflow: hidden;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  left: -20%;
  right: -20%;
  height: 520px;
  pointer-events: none;
  background:
    radial-gradient(closest-side, rgba(255, 106, 26, 0.18), transparent 72%) 14% 40% / 560px 420px no-repeat,
    radial-gradient(closest-side, rgba(53, 240, 166, 0.13), transparent 72%) 82% 6% / 440px 360px no-repeat;
  filter: blur(4px);
}

.page-contact .breadcrumbs {
  position: relative;
  z-index: 1;
  margin-bottom: 26px;
}

.page-contact .pc-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .pc-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.2vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--ivory);
  max-width: 15em;
}

.page-contact .pc-hero__lede {
  margin-top: 18px;
  color: var(--cloud);
  font-size: clamp(15px, 4vw, 17px);
  line-height: 1.85;
  max-width: 42em;
}

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

.page-contact .pc-hero__figure .figure__frame {
  position: relative;
  aspect-ratio: 1000 / 700;
  border-radius: var(--pc-radius);
  overflow: hidden;
  border: 1px solid var(--line-2);
  background: var(--ink-2);
}

.page-contact .pc-hero__figure .figure__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(5, 14, 36, 0) 42%, rgba(5, 14, 36, 0.72) 100%);
  pointer-events: none;
}

.page-contact .pc-hero__figure .figure__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .pc-hero__figure .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
  border-left: 2px solid var(--orange);
  padding-left: 12px;
}

/* ---------- 联络浮岛 + 咨询分类 ---------- */
.page-contact .pc-board {
  padding: clamp(40px, 7vw, 72px) 0 0;
}

.page-contact .pc-board__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .pc-island {
  position: relative;
  padding: 26px 22px 24px;
  border-radius: var(--pc-radius);
  border: 1px solid var(--line-2);
  background:
    linear-gradient(158deg, rgba(11, 27, 60, 0.94) 0%, rgba(5, 14, 36, 0.9) 62%, rgba(255, 106, 26, 0.08) 100%);
  box-shadow: 0 26px 54px rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(6px);
}

.page-contact .pc-island::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--orange), var(--green));
}

.page-contact .pc-island__kicker {
  margin: 0;
  font-family: var(--font-rail);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ice);
}

.page-contact .pc-island__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 0 20px;
  font-size: 14px;
  color: var(--cloud);
}

.page-contact .pc-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(53, 240, 166, 0.55);
  animation: pc-pulse 2.6s var(--ease) infinite;
  flex: none;
}

@keyframes pc-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(53, 240, 166, 0.5); }
  70%  { box-shadow: 0 0 0 12px rgba(53, 240, 166, 0); }
  100% { box-shadow: 0 0 0 0 rgba(53, 240, 166, 0); }
}

.page-contact .pc-channel {
  padding: 16px 0;
  border-top: 1px dashed rgba(127, 176, 255, 0.2);
}

.page-contact .pc-channel__key {
  display: block;
  font-family: var(--font-rail);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .pc-channel__val {
  display: block;
  margin-top: 8px;
  font-family: var(--font-numeric);
  font-size: clamp(16px, 4.4vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ivory);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .pc-copy {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-2);
  background: rgba(127, 176, 255, 0.09);
  color: var(--ice);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease),
              border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .pc-copy:hover {
  background: rgba(255, 106, 26, 0.18);
  border-color: rgba(255, 106, 26, 0.55);
  color: var(--orange-2);
  transform: translateY(-2px);
}

.page-contact .pc-copy:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.page-contact .pc-copy.is-copied {
  border-color: var(--green);
  background: rgba(53, 240, 166, 0.16);
  color: var(--green);
}

.page-contact .pc-island__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .pc-topics {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .pc-topics__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: clamp(22px, 5.4vw, 30px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ivory);
}

.page-contact .pc-topic {
  position: relative;
  padding: 22px 20px 22px 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(120deg, var(--ink-2) 0%, rgba(5, 14, 36, 0.92) 100%);
  overflow: hidden;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease),
              box-shadow 180ms var(--ease);
}

.page-contact .pc-topic::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--orange);
}

.page-contact .pc-topic--green::before { background: var(--green); }
.page-contact .pc-topic--ice::before   { background: var(--ice); }

.page-contact .pc-topic:hover {
  transform: translateY(-4px);
  border-color: var(--line-2);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.42);
}

.page-contact .pc-tag--ice {
  color: var(--ice);
  border-color: rgba(127, 176, 255, 0.42);
  background: rgba(127, 176, 255, 0.12);
}

.page-contact .pc-topic__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ivory);
}

.page-contact .pc-topic__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cloud);
}

.page-contact .pc-topic__need {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(127, 176, 255, 0.18);
  font-family: var(--font-numeric);
  font-size: 12.5px;
  letter-spacing: 0.01em;
  color: var(--steel);
}

/* ---------- 内容合作 ---------- */
.page-contact .pc-coop {
  padding: clamp(48px, 8vw, 84px) 0 0;
}

.page-contact .pc-coop__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .pc-coop__text .section__title {
  margin-top: 10px;
  color: var(--ivory);
}

.page-contact .pc-coop__text .prose {
  margin-top: 16px;
  color: var(--cloud);
}

.page-contact .pc-coop__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(136px, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.page-contact .pc-coop__stats .stat {
  padding: 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(127, 176, 255, 0.06);
}

.page-contact .pc-coop__stats .stat__value {
  display: block;
  font-family: var(--font-numeric);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ivory);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-coop__stats .stat__value--green {
  color: var(--green);
}

.page-contact .pc-coop__stats .stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--steel);
}

.page-contact .pc-coop__panel {
  padding: 22px 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-2);
  background: rgba(11, 27, 60, 0.72);
  backdrop-filter: blur(4px);
}

.page-contact .pc-coop__panel .panel__title {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ivory);
}

.page-contact .pc-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .pc-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--cloud);
}

.page-contact .pc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--orange);
}

.page-contact .pc-list strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-rail);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ice);
}

/* ---------- 来信地址 ---------- */
.page-contact .pc-address {
  padding: clamp(48px, 8vw, 84px) 0 0;
}

.page-contact .pc-address__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

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

.page-contact .pc-address__figure .figure__frame {
  aspect-ratio: 3 / 2;
  border-radius: var(--pc-radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-contact .pc-address__figure .figure__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .pc-address__figure .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .pc-address__body .section__title {
  margin-top: 10px;
  color: var(--ivory);
}

.page-contact .pc-address__card {
  margin-top: 22px;
  padding: 20px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-2);
  border-left: 4px solid var(--orange);
  background: linear-gradient(120deg, rgba(255, 106, 26, 0.12), rgba(11, 27, 60, 0.6) 62%);
}

.page-contact .pc-address__key {
  margin: 0;
  font-family: var(--font-rail);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange-2);
}

.page-contact .pc-address__val {
  margin: 10px 0 0;
  font-family: var(--font-numeric);
  font-size: clamp(15px, 4.2vw, 19px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--ivory);
  overflow-wrap: anywhere;
}

.page-contact .pc-address__body .prose {
  margin-top: 16px;
  color: var(--cloud);
}

.page-contact .pc-meta {
  margin: 22px 0 0;
  display: grid;
  gap: 1px;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--line);
}

.page-contact .pc-meta__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 13px 16px;
  background: var(--ink-2);
}

.page-contact .pc-meta dt {
  font-family: var(--font-rail);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--steel);
  min-width: 76px;
}

.page-contact .pc-meta dd {
  margin: 0;
  font-size: 14px;
  color: var(--cloud);
  overflow-wrap: anywhere;
}

/* ---------- 响应节奏 ---------- */
.page-contact .pc-pace {
  padding: clamp(48px, 8vw, 84px) 0 0;
}

.page-contact .pc-pace .section__title {
  margin-top: 10px;
  color: var(--ivory);
}

.page-contact .pc-pace__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  counter-reset: none;
}

.page-contact .pc-pace__step {
  position: relative;
  padding: 22px 20px 22px 74px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  border-top: 2px solid rgba(255, 106, 26, 0.6);
  background: rgba(11, 27, 60, 0.55);
}

.page-contact .pc-pace__num {
  position: absolute;
  left: 20px;
  top: 22px;
  font-family: var(--font-numeric);
  font-size: 22px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.02em;
}

.page-contact .pc-pace__step-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ivory);
}

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

/* ---------- 相关栏目 ---------- */
.page-contact .pc-next {
  padding: clamp(44px, 7vw, 72px) 0 0;
}

.page-contact .pc-next__inner {
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-contact .pc-next__lead {
  margin: 0;
  font-family: var(--font-rail);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .pc-next__links {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .pc-next__links a {
  display: block;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(127, 176, 255, 0.05);
  color: var(--cloud);
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color 180ms var(--ease), background 180ms var(--ease),
              color 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .pc-next__links a:hover,
.page-contact .pc-next__links a:focus-visible {
  border-color: rgba(255, 106, 26, 0.6);
  background: rgba(255, 106, 26, 0.12);
  color: var(--ivory);
  transform: translateY(-2px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-coop__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 36px;
    align-items: start;
  }

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

  .page-contact .pc-pace__step {
    padding: 26px 20px 24px;
  }

  .page-contact .pc-pace__num {
    position: static;
    display: block;
    margin-bottom: 12px;
  }

  .page-contact .pc-next__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: center;
  }

  .page-contact .pc-address__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .pc-board__grid {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .pc-island {
    position: sticky;
    top: var(--pc-sticky);
  }

  .page-contact .pc-topics {
    gap: 18px;
  }

  .page-contact .pc-topic {
    padding: 24px 26px 24px 28px;
  }
}

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

  .page-contact .pc-copy,
  .page-contact .pc-topic,
  .page-contact .pc-next__links a {
    transition: none;
  }

  .page-contact .pc-copy:hover,
  .page-contact .pc-topic:hover,
  .page-contact .pc-next__links a:hover {
    transform: none;
  }
}