.page-contact {
  --pc-panel: linear-gradient(158deg, #102747 0%, #081426 78%);
  --pc-edge: rgba(53, 245, 208, .24);
  --pc-body: #BFD0E4;
  padding-block: 24px 72px;
}

.page-contact .breadcrumb {
  margin-bottom: 6px;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.pc-hero {
  display: grid;
  gap: 28px;
  padding: 18px 0 40px;
  border-bottom: 1px solid var(--line-ink);
}

.pc-hero__text {
  min-width: 0;
}

.pc-hero .eyebrow {
  display: inline-block;
  margin: 0;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  border: 1px solid var(--pc-edge);
  border-radius: 999px;
}

.pc-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-size: clamp(2rem, 7.6vw, 3.85rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.015em;
  color: var(--white);
  text-shadow: 3px 3px 0 rgba(255, 107, 74, .22);
}

.pc-hero__title em {
  font-style: normal;
  color: var(--coral);
}

.pc-hero__lead {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 1.0625rem;
  line-height: 1.82;
  color: #C9D8EA;
}

.pc-quick {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.pc-quick li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius);
  background: rgba(10, 27, 51, .62);
}

.pc-quick__k {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--slate);
}

.pc-quick__v {
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  word-break: break-all;
}

.pc-hero__art {
  position: relative;
  margin: 0;
}

.pc-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lift);
}

.pc-hero__art::after {
  content: "";
  position: absolute;
  right: -9px;
  bottom: -9px;
  width: 52px;
  height: 52px;
  background:
    linear-gradient(var(--coral), var(--coral)) 0 0 / 14px 14px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) 22px 22px / 14px 14px no-repeat;
  opacity: .9;
}

/* ---------- 章节头 ---------- */
.page-contact .section {
  padding: 48px 0 0;
}

.pc-head {
  max-width: 64ch;
  margin-bottom: 26px;
}

.page-contact .section__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--coral);
}

.page-contact .section__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 4.6vw, 2.2rem);
  font-weight: 900;
  line-height: 1.22;
  color: var(--white);
}

.page-contact .section__lead {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- 01 渠道 ---------- */
.pc-channels__grid {
  align-items: start;
}

.pc-channels__list {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.pc-channel {
  position: relative;
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--pc-panel);
  transition: border-color var(--slow) var(--ease), transform var(--slow) var(--ease), box-shadow var(--slow) var(--ease);
}

.pc-channel::before {
  content: "";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 11px;
  height: 11px;
  border-top: 2px solid var(--cyan);
  border-right: 2px solid var(--cyan);
  opacity: .65;
}

.pc-channel__kind {
  margin: 0 0 12px;
}

.pc-channel .card__title {
  margin: 0;
  font-size: 1.28rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--white);
}

.pc-channel__value {
  margin: 13px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.7vw, 1.18rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--cyan);
  word-break: break-all;
  user-select: all;
}

.pc-channel--tel .pc-channel__value {
  color: var(--coral);
}

.pc-channel__hint {
  margin: 6px 0 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate);
}

.pc-channel__desc {
  margin: 14px 0 0;
  font-size: .97rem;
  line-height: 1.82;
  color: var(--pc-body);
}

.pc-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
}

/* ---------- 右侧准备清单 ---------- */
.pc-prep {
  min-width: 0;
}

.pc-prep__panel {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius);
  background: rgba(5, 13, 26, .86);
}

.pc-prep__title {
  margin: 0 0 18px;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--white);
}

.pc-steps {
  counter-reset: pcs;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.pc-steps li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.pc-steps li::before {
  content: counter(pcs, decimal-leading-zero);
  counter-increment: pcs;
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--yellow);
}

.pc-steps__t {
  font-size: .94rem;
  line-height: 1.78;
  color: var(--pc-body);
}

.pc-steps__t strong {
  color: var(--white);
  font-weight: 700;
}

.pc-fold {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.pc-fold > summary {
  cursor: pointer;
  font-size: .95rem;
  font-weight: 700;
  color: var(--yellow);
  list-style: none;
}

.pc-fold > summary::-webkit-details-marker {
  display: none;
}

.pc-fold > summary::before {
  content: "+ ";
  font-family: var(--font-mono);
  color: var(--coral);
}

.pc-fold[open] > summary::before {
  content: "− ";
}

.pc-fold__list {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 9px;
}

.pc-fold__list li {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 02 地址 ---------- */
.pc-address__grid {
  align-items: stretch;
}

.pc-address__card {
  padding: 24px;
  border: 1px solid rgba(10, 27, 51, .14);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-lift);
}

.pc-address__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #2C4A72;
}

.pc-address__value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.7vw, 1.12rem);
  font-weight: 600;
  line-height: 1.6;
  color: #05121F;
  word-break: break-all;
}

.pc-address__note {
  margin: 14px 0 0;
  font-size: .94rem;
  line-height: 1.82;
  color: #375070;
}

.pc-address__meta {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(10, 27, 51, .12);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: #C2410C;
}

.pc-address__fig {
  margin: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.pc-address__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.pc-address__fig figcaption {
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 03 其他入口 ---------- */
.pc-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.pc-next__link {
  display: block;
  height: 100%;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10, 27, 51, .55);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.pc-next__t {
  display: block;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--white);
}

.pc-next__d {
  display: block;
  margin-top: 8px;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 交互态 ---------- */
@media (hover: hover) {
  .pc-channel:hover {
    border-color: var(--cyan);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lift);
  }

  .pc-next__link:hover {
    border-color: var(--cyan);
    background: rgba(15, 38, 68, .8);
    transform: translateY(-3px);
  }

  .pc-next__link:hover .pc-next__t {
    color: var(--cyan);
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .pc-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pc-quick li:first-child {
    grid-column: 1 / -1;
  }

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

@media (min-width: 960px) {
  .page-contact {
    padding-block: 32px 96px;
  }

  .pc-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 48px;
    padding: 34px 0 56px;
  }

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

  .pc-quick li:first-child {
    grid-column: auto;
  }

  .page-contact .section {
    padding-top: 62px;
  }

  .pc-prep__panel {
    position: sticky;
    top: 88px;
  }
}

@media (min-width: 1100px) {
  .pc-next__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .pc-channel,
  .pc-next__link {
    transition: none;
  }

  .pc-channel:hover,
  .pc-next__link:hover {
    transform: none;
  }
}