.page-contact {
  --pc-block-gap: 52px;
  background:
    radial-gradient(140% 55% at 50% -8%, rgba(140, 240, 90, 0.06), rgba(7, 18, 13, 0) 62%);
}

.page-contact .pc-intro {
  padding: 32px 0 34px;
}

.page-contact .pc-intro h1 {
  margin: 16px 0 18px;
  max-width: 16ch;
  font-size: clamp(32px, 7.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--chalk);
}

.page-contact .pc-intro .lead {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--rock);
}

/* 渠道面板 */
.page-contact .pc-channels {
  position: relative;
  overflow: hidden;
  padding: 24px 18px 6px;
  background: var(--turf);
}

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

.page-contact .pc-channels__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  filter: saturate(0.6);
}

.page-contact .pc-channels__head,
.page-contact .pc-channel-list {
  position: relative;
  z-index: 1;
}

.page-contact .pc-channels__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--steel);
}

.page-contact .pc-channels__head .note {
  margin: 0;
}

.page-contact .pc-channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-channel {
  padding: 22px 0;
  border-bottom: 1px solid var(--steel-soft);
  transition: background var(--t-fast);
}

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

.page-contact .pc-channel:focus-within {
  background: rgba(140, 240, 90, 0.05);
}

.page-contact .pc-channel__key {
  margin: 0 0 10px;
}

.page-contact .pc-channel__val {
  margin: 0 0 10px;
  color: var(--chalk);
  font-size: 17px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.page-contact .pc-channel__val--addr {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0;
}

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

/* 区块骨架 */
.page-contact .pc-block {
  padding: 44px 0;
  border-top: 1px solid var(--steel);
}

.page-contact .pc-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 16px;
  margin-bottom: 20px;
}

.page-contact .pc-block__idx {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .pc-block__head h2 {
  margin: 0;
  font-size: clamp(21px, 4.4vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--chalk);
}

.page-contact .pc-block__lead {
  margin: 0 0 24px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--rock);
}

.page-contact .pc-block__tail {
  margin: 22px 0 0;
  max-width: 68ch;
}

.page-contact a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 邮件四段式 */
.page-contact .pc-flow {
  margin: 0 0 26px;
  padding: 18px 14px 12px;
  border: 2px solid var(--steel);
  background: var(--stand);
  box-shadow: var(--shadow-sm);
}

.page-contact .pc-flow svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .pc-flow .mf rect {
  fill: var(--steel-soft);
  stroke: var(--steel);
  stroke-width: 1.5;
}

.page-contact .pc-flow .mf text {
  fill: var(--chalk);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
}

.page-contact .pc-flow .mf .mf__sub {
  fill: var(--rock);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
}

.page-contact .pc-flow figcaption {
  margin-top: 12px;
}

.page-contact .pc-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .pc-points li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.page-contact .pc-points__n {
  flex: none;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--steel);
  border-radius: var(--r);
  color: var(--lime);
  font-size: 12px;
}

.page-contact .pc-points h3 {
  margin: 0 0 4px;
  font-size: 15px;
  color: var(--chalk);
}

.page-contact .pc-points p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock);
}

/* 纠错 */
.page-contact .pc-fix {
  display: grid;
  gap: 26px;
}

.page-contact .pc-fix__panel {
  padding: 6px 0 6px 18px;
  border-left: 3px solid var(--signal);
}

.page-contact .pc-fix__num {
  display: block;
  font-family: var(--mono);
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--signal);
}

.page-contact .pc-fix__unit {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--rock);
}

.page-contact .pc-fix__panelnote {
  margin: 12px 0 0;
}

.page-contact .pc-fix__body .pc-block__lead {
  margin-bottom: 20px;
}

.page-contact .pc-fix__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-fix__list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--steel);
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .pc-fix__list li:first-child {
  border-top: 1px solid var(--steel);
}

.page-contact .pc-fix__list .mono {
  display: inline-block;
  min-width: 4.5em;
  margin-right: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--chalk);
}

/* 引用规范 */
.page-contact .pc-rules {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-rules li {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--steel);
}

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

.page-contact .pc-rules h3 {
  margin: 0;
  font-size: 16px;
  color: var(--chalk);
}

.page-contact .pc-rules p {
  margin: 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

/* 共创 */
.page-contact .pc-collab {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-contact .pc-collab > li {
  padding: 22px 20px;
  border: 2px solid var(--steel);
  background: var(--stand);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--t-fast), transform var(--t-fast);
}

.page-contact .pc-collab > li:hover {
  border-color: var(--lime);
  transform: translate(-1px, -1px);
}

.page-contact .pc-collab h3 {
  margin: 12px 0 10px;
  font-size: 17px;
  color: var(--chalk);
}

.page-contact .pc-collab p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

/* 响应时间 */
.page-contact .pc-response {
  display: grid;
  gap: 22px;
}

.page-contact .pc-response__item {
  padding-top: 16px;
  border-top: 2px solid var(--steel);
}

.page-contact .pc-response__k {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--rock);
}

.page-contact .pc-response__v {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--chalk);
}

.page-contact .pc-response__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

/* 备案 */
.page-contact .pc-icp {
  margin-top: 44px;
  padding: 24px 0 6px;
  border-top: 1px solid var(--steel);
  text-align: center;
}

.page-contact .pc-icp h2 {
  margin: 0 0 12px;
}

.page-contact .pc-icp__no {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--chalk);
}

.page-contact .pc-icp__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

/* 尾部通栏 */
.page-contact .pc-closing {
  margin: 42px 0 56px;
}

.page-contact .pc-closing img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 2px solid var(--steel);
  box-shadow: var(--shadow-sm);
}

.page-contact .pc-closing figcaption {
  margin-top: 12px;
}

@media (min-width: 760px) {
  .page-contact .pc-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 34px;
  }

  .page-contact .pc-response {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }

  .page-contact .pc-rules li {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-intro {
    padding: 46px 0 40px;
  }

  .page-contact .pc-channels {
    padding: 34px 40px 12px;
  }

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

  .page-contact .pc-channel {
    padding: 26px 32px;
    border-bottom: 0;
  }

  .page-contact .pc-channel:first-child {
    padding-left: 0;
  }

  .page-contact .pc-channel:last-child {
    padding-right: 0;
  }

  .page-contact .pc-channel + .pc-channel {
    border-left: 1px solid var(--steel);
  }

  .page-contact .pc-block {
    padding: var(--pc-block-gap) 0;
  }

  .page-contact .pc-fix {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 56px;
  }

  .page-contact .pc-collab {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
</style>
<<<END>>>