.page-contact {
  --pc-radius: 16px;
  --pc-radius-sm: 10px;
  --pc-band-pad: 56px;
  background: var(--ink);
  color: var(--silver);
  overflow-x: clip;
}

.page-contact .pc-head {
  max-width: 700px;
  margin-bottom: 28px;
}

.page-contact .pc-head--compact {
  margin-bottom: 18px;
}

.page-contact .pc-head__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.55rem, 4.4vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .pc-head .lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--grey);
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 48px;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--cyan), var(--orange) 52%, transparent);
  transform: skewY(-6deg);
  transform-origin: left top;
  pointer-events: none;
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  top: -150px;
  right: -90px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle at 32% 32%, rgba(34, 224, 214, .17), transparent 62%);
  pointer-events: none;
}

.page-contact .pc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-contact .pc-hero__text h1 {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 6vw, 3.3rem);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .pc-hero__text .lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .pc-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .pc-hero__fig {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  overflow: hidden;
  background: var(--panel);
  box-shadow: 0 18px 44px rgba(0, 0, 0, .45);
}

.page-contact .pc-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 880 / 520;
  object-fit: cover;
}

.page-contact .pc-hero__fig .media__cap {
  display: block;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--grey);
  border-top: 1px solid var(--line);
}

@media (min-width: 960px) {
  .page-contact .pc-hero {
    padding: 40px 0 72px;
  }
  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 52px;
  }
  .page-contact .pc-hero__fig img {
    clip-path: polygon(0 0, 100% 0, 100% 92%, 6% 100%);
  }
}

/* ---------- 区块底色 ---------- */

.page-contact .pc-band {
  position: relative;
  padding: var(--pc-band-pad) 0;
}

.page-contact .pc-band + .pc-band {
  border-top: 1px solid var(--line);
}

.page-contact .pc-band--panel {
  background: var(--panel);
}

.page-contact .pc-band--indigo {
  background: linear-gradient(158deg, var(--indigo), var(--ink) 80%);
}

.page-contact .pc-band--teal {
  background: linear-gradient(142deg, var(--teal), var(--ink) 84%);
}

@media (min-width: 900px) {
  .page-contact .pc-band {
    padding: 80px 0;
  }
}

/* ---------- 联系入口 + 场景指引 ---------- */

.page-contact .pc-reach__grid {
  display: grid;
  gap: 38px;
}

.page-contact .pc-stack {
  display: grid;
  gap: 12px;
}

.page-contact .pc-card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: var(--panel-2);
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}

.page-contact .pc-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .42);
}

.page-contact .pc-card__label {
  margin: 0 0 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--grey);
}

.page-contact .pc-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .pc-card__value--addr {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
}

.page-contact .pc-card__desc {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--grey);
}

/* 复制按钮 */

.page-contact .copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-contact .copy__value {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.45;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .copy__state {
  flex: none;
  padding: 2px 9px;
  font-size: 12px;
  line-height: 1.6;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--grey);
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-contact .copy:hover .copy__state,
.page-contact .copy:focus-visible .copy__state {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .copy[data-copied="true"] .copy__state {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

/* 场景筛选 */

.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 4px;
}

.page-contact .filter-btn {
  padding: 7px 14px;
  font: inherit;
  font-size: 14px;
  line-height: 1.4;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--silver);
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}

.page-contact .filter-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-contact .pc-topics {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-topic {
  padding: 16px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius-sm);
  background: var(--panel-2);
  transition: transform .28s ease, border-color .28s ease;
}

.page-contact .pc-topic:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-contact .pc-topic__idx {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-contact .pc-topic__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .pc-topic__desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey);
}

.page-contact .pc-topic__meta {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
  word-break: break-all;
}

.page-contact .pc-topic__key {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  font-family: var(--font-body);
  font-size: 12px;
  border: 1px solid rgba(34, 224, 214, .5);
  border-radius: 4px;
  color: var(--cyan);
}

@media (min-width: 1024px) {
  .page-contact .pc-reach__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 46px;
    align-items: start;
  }
  .page-contact .pc-reach__rail {
    position: sticky;
    top: 28px;
  }
}

@media (min-width: 1180px) {
  .page-contact .pc-topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 响应流程 ---------- */

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

.page-contact .pc-step {
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--pc-radius-sm);
  background: rgba(242, 245, 249, .03);
}

.page-contact .pc-step__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .pc-step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .pc-step__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--grey);
}

@media (min-width: 760px) {
  .page-contact .pc-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

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

/* ---------- 合作流程 ---------- */

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

.page-contact .pc-flow__item {
  position: relative;
  padding: 22px 20px 24px 78px;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: var(--panel-2);
  transition: border-color .28s ease, transform .28s ease;
}

.page-contact .pc-flow__item:hover {
  transform: translateY(-2px);
  border-color: var(--orange);
}

.page-contact .pc-flow__no {
  position: absolute;
  left: 20px;
  top: 20px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-contact .pc-flow__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  color: var(--paper);
}

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

@media (min-width: 900px) {
  .page-contact .pc-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
  .page-contact .pc-flow__item {
    padding: 26px 26px 28px 96px;
  }
  .page-contact .pc-flow__no {
    left: 26px;
    top: 24px;
    font-size: 38px;
  }
}

/* ---------- 数据纠错 ---------- */

.page-contact .pc-fix {
  display: grid;
  gap: 30px;
}

.page-contact .pc-fix__text .pc-head__title {
  max-width: 620px;
}

.page-contact .pc-fix__text .lede {
  max-width: 640px;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .pc-fix__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-fix__list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.68;
  color: var(--silver);
}

.page-contact .pc-fix__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 12px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .pc-fix__note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey);
}

.page-contact .pc-fix__panel {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: rgba(5, 7, 14, .55);
}

.page-contact .pc-fix__panel-label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--grey);
}

.page-contact .pc-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-stat:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-contact .pc-stat__num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--orange);
}

.page-contact .pc-stat__name {
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

@media (min-width: 940px) {
  .page-contact .pc-fix {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }
}

/* ---------- 地址 ---------- */

.page-contact .pc-addr {
  display: grid;
  gap: 32px;
}

.page-contact .pc-addr__line {
  margin: 0 0 16px;
  padding: 14px 16px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--pc-radius-sm) var(--pc-radius-sm) 0;
  background: var(--panel-2);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .pc-addr__desc {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
  max-width: 620px;
}

.page-contact .pc-addr__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .pc-addr__visual {
  display: grid;
  gap: 16px;
}

.page-contact .pc-map {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius-sm);
  background: var(--panel);
}

.page-contact .pc-map__pulse {
  transform-box: fill-box;
  transform-origin: center;
  animation: pcMapPulse 3s ease-in-out infinite;
}

@keyframes pcMapPulse {
  0%, 100% {
    opacity: .35;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.7);
  }
}

.page-contact .pc-addr__fig {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius-sm);
  overflow: hidden;
  background: var(--panel);
}

.page-contact .pc-addr__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 640 / 420;
  object-fit: cover;
}

.page-contact .pc-addr__fig .media__cap {
  display: block;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--grey);
  border-top: 1px solid var(--line);
}

@media (min-width: 940px) {
  .page-contact .pc-addr {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 48px;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-card:hover,
  .page-contact .pc-topic:hover,
  .page-contact .pc-flow__item:hover {
    transform: none;
  }
  .page-contact .pc-map__pulse {
    animation: none;
  }
}
</main>