.page-contact {
  --pc-card: 320px;
  --pc-grid-line: rgba(43, 76, 111, 0.45);
}

/* ---------- 首屏 ---------- */
.page-contact .hero {
  position: relative;
  padding-block: 18px 54px;
}

.page-contact .hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent 64%);
  opacity: 0.75;
}

.page-contact .hero__grid {
  display: grid;
  gap: 28px;
}

.page-contact h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(28px, 6vw, 44px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-contact .contact-card {
  order: -1;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background:
    linear-gradient(158deg, rgba(34, 230, 210, 0.1), transparent 48%),
    linear-gradient(180deg, var(--panel), var(--midnight));
  padding: 24px 22px;
}

.page-contact .contact-card__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .contact-card h2 {
  margin: 0 0 20px;
  font-size: 19px;
  line-height: 1.4;
  color: var(--warm);
}

.page-contact .contact-card__list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-contact .contact-card__list dt {
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .contact-card__list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--warm);
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .contact-card__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--cool);
}

.page-contact .contact-card__meta {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .hero__points {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .hero__points li {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  background: var(--deep);
  transition: background var(--dur) var(--ease);
}

.page-contact .hero__points li:hover {
  background: var(--glow);
}

.page-contact .hero__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .hero__points p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--cool);
}

/* ---------- 通用区块 ---------- */
.page-contact .block {
  padding-block: 46px;
  border-top: 1px solid var(--line);
}

/* ---------- 准备清单 ---------- */
.page-contact .checklist {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 16px 16px 15px;
  border: 1px solid var(--line);
  background: rgba(18, 50, 82, 0.42);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .checklist li:hover {
  border-color: var(--mist);
  background: rgba(27, 69, 102, 0.5);
}

.page-contact .checklist__box {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  border: 1px solid var(--line);
  background: var(--midnight);
}

.page-contact .checklist__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(40deg);
}

.page-contact .checklist h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--warm);
}

.page-contact .checklist p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cool);
}

/* ---------- 图片 ---------- */
.page-contact .media-frame {
  margin: 28px 0 0;
  border: 1px solid var(--line);
  background: var(--midnight);
}

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

.page-contact .media-caption {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--cool);
}

/* ---------- 截图指引 ---------- */
.page-contact .shot-grid {
  display: grid;
  gap: 26px;
}

.page-contact .shot-grid .media-frame {
  margin: 0;
}

.page-contact .shot-points {
  list-style: none;
  counter-reset: shot;
  margin: 24px 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .shot-points li {
  counter-increment: shot;
  position: relative;
  padding-left: 46px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--warm);
}

.page-contact .shot-points li::before {
  content: counter(shot, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  padding: 2px 5px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.3;
  color: var(--orange);
}

/* ---------- 咨询类型选择 ---------- */
.page-contact .topic-switch {
  position: relative;
  margin-top: 28px;
  border: 1px solid var(--line);
  background: rgba(11, 31, 53, 0.55);
}

.page-contact .topic-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.page-contact .topic-switch__tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
}

.page-contact .topic-switch__tabs label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 15px 8px;
  background: var(--midnight);
  color: var(--cool);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .topic-switch__tabs label:hover {
  background: var(--glow);
  color: var(--warm);
}

.page-contact #ct-topic-entry:checked ~ .topic-switch__tabs label[for="ct-topic-entry"],
.page-contact #ct-topic-device:checked ~ .topic-switch__tabs label[for="ct-topic-device"],
.page-contact #ct-topic-record:checked ~ .topic-switch__tabs label[for="ct-topic-record"],
.page-contact #ct-topic-partner:checked ~ .topic-switch__tabs label[for="ct-topic-partner"] {
  background: var(--panel);
  color: var(--cyan);
  box-shadow: inset 0 -2px 0 var(--cyan);
}

.page-contact #ct-topic-entry:focus-visible ~ .topic-switch__tabs label[for="ct-topic-entry"],
.page-contact #ct-topic-device:focus-visible ~ .topic-switch__tabs label[for="ct-topic-device"],
.page-contact #ct-topic-record:focus-visible ~ .topic-switch__tabs label[for="ct-topic-record"],
.page-contact #ct-topic-partner:focus-visible ~ .topic-switch__tabs label[for="ct-topic-partner"] {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-contact .topic-switch__panels {
  padding: 24px 22px;
}

.page-contact .topic-panel {
  display: none;
  animation: pc-panel-in 0.24s var(--ease);
}

.page-contact #ct-topic-entry:checked ~ .topic-switch__panels .topic-panel--entry,
.page-contact #ct-topic-device:checked ~ .topic-switch__panels .topic-panel--device,
.page-contact #ct-topic-record:checked ~ .topic-switch__panels .topic-panel--record,
.page-contact #ct-topic-partner:checked ~ .topic-switch__panels .topic-panel--partner {
  display: block;
}

@keyframes pc-panel-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-contact .topic-panel h3 {
  margin: 0 0 14px;
  font-size: 18px;
  line-height: 1.4;
  color: var(--warm);
}

.page-contact .topic-panel ul {
  margin: 0 0 16px;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.page-contact .topic-panel li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--warm);
}

.page-contact .topic-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--cool);
}

/* ---------- 自助入口 ---------- */
.page-contact .link-rows {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.page-contact .link-rows li {
  display: grid;
  gap: 6px;
  padding: 16px 14px;
  background: var(--deep);
  transition: background var(--dur) var(--ease);
}

.page-contact .link-rows li:hover {
  background: var(--midnight);
}

.page-contact .link-rows a {
  color: var(--warm);
  font-size: 16px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .link-rows a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .link-rows a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .link-rows span {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--cool);
}

/* ---------- 地址与备案 ---------- */
.page-contact .legal-strip {
  border: 1px solid var(--line);
  background-color: var(--midnight);
  background-image:
    linear-gradient(var(--pc-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  padding: 24px 20px;
}

.page-contact .legal-strip__grid {
  display: grid;
  gap: 18px;
}

.page-contact .legal-strip__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .legal-strip__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--warm);
  word-break: break-word;
}

.page-contact .legal-strip__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--cool);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .flow li {
  padding: 20px 18px;
  background: var(--deep);
  transition: background var(--dur) var(--ease);
}

.page-contact .flow li:hover {
  background: var(--midnight);
}

.page-contact .flow__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .flow h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--warm);
}

.page-contact .flow p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cool);
}

/* ---------- 收尾 ---------- */
.page-contact .end-cta {
  margin-top: 34px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background: linear-gradient(92deg, rgba(255, 122, 60, 0.09), transparent 62%);
  display: grid;
  gap: 16px;
}

.page-contact .end-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--warm);
}

.page-contact .end-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .hero__points li {
    grid-template-columns: 84px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }

  .page-contact .checklist {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

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

@media (min-width: 760px) {
  .page-contact .topic-switch__tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .link-rows li {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: baseline;
    gap: 24px;
    padding: 16px 18px;
  }

  .page-contact .legal-strip {
    padding: 28px 26px;
  }
}

@media (min-width: 900px) {
  .page-contact .hero__grid {
    grid-template-columns: minmax(0, var(--pc-card)) minmax(0, 1fr);
    align-items: start;
    gap: 48px;
  }

  .page-contact .contact-card {
    position: sticky;
    top: 104px;
  }

  .page-contact .shot-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 44px;
  }

  .page-contact .shot-grid .media-frame {
    margin-top: 8px;
  }

  .page-contact .block {
    padding-block: 58px;
  }

  .page-contact .legal-strip__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

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

  .page-contact .end-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    padding: 26px 24px;
  }
}

@media (min-width: 1160px) {
  .page-contact .hero {
    padding-block: 24px 64px;
  }

  .page-contact .checklist {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .topic-panel,
  .page-contact .hero__points li,
  .page-contact .checklist li,
  .page-contact .link-rows li,
  .page-contact .flow li,
  .page-contact .topic-switch__tabs label {
    animation: none;
    transition: none;
  }
}
<<<END>>>