.page-contact {
  --pc-card-bg: rgba(7, 42, 32, 0.34);
  --pc-card-bg-hover: rgba(12, 59, 46, 0.42);
  --pc-text-soft: rgba(244, 241, 232, 0.72);
  --pc-text-dim: rgba(244, 241, 232, 0.58);
}

.page-contact .contact-hero {
  position: relative;
  padding: 32px 0 58px;
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--green) 0%, var(--amber) 20%, var(--rule) 58%, transparent 100%);
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: 30px;
}

.page-contact .hero-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-contact .hero-anchor__coord {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--amber);
  margin: 0 0 18px;
}

.page-contact .hero-anchor h1 {
  font-family: var(--font-display);
  font-size: clamp(46px, 11vw, 92px);
  line-height: 0.94;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 0 0 22px;
}

.page-contact .hero-anchor__lede {
  font-size: 16px;
  line-height: 1.75;
  color: var(--pc-text-soft);
  max-width: 52ch;
  margin: 0 0 20px;
}

.page-contact .hero-anchor__note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--grey);
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  margin: 0;
}

.page-contact .hero-meter {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--rule);
  background: var(--pc-card-bg);
}

.page-contact .meter-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--rule);
}

.page-contact .meter-row:last-child {
  border-bottom: 0;
}

.page-contact .meter-row__label {
  font-size: 13px;
  color: var(--grey);
  letter-spacing: 0.04em;
  flex: 0 0 auto;
}

.page-contact .meter-row__value {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--paper);
  text-align: right;
  word-break: break-word;
}

.page-contact .meter-row__value--amber {
  color: var(--amber);
}

/* ---- 章节头间距微调 ---- */
.page-contact .section-head {
  margin-bottom: 0;
}

/* ---- 三张坐标卡片 ---- */
.page-contact .contact-cards {
  padding: 62px 0 66px;
}

.page-contact .coord-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 34px;
}

.page-contact .coord-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px 22px 22px;
  border: 1px solid var(--rule);
  background: var(--pc-card-bg);
  transition: background 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .coord-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 3px;
  height: 46px;
  background: var(--amber);
}

.page-contact .coord-card--volt::before {
  background: var(--volt);
}

.page-contact .coord-card--green::before {
  background: var(--ok);
}

.page-contact .coord-card:hover {
  background: var(--pc-card-bg-hover);
  border-color: var(--rule-strong);
}

.page-contact .coord-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--amber);
  text-transform: uppercase;
  align-self: flex-start;
}

.page-contact .coord-card__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--paper);
  margin: 0;
  letter-spacing: 0.01em;
}

.page-contact .coord-card__value {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--paper);
  letter-spacing: -0.01em;
  padding: 10px 12px;
  background: rgba(244, 241, 232, 0.06);
  border-left: 2px solid var(--rule-strong);
  margin: 0;
  word-break: break-all;
}

.page-contact .coord-card__desc {
  font-size: 14px;
  line-height: 1.72;
  color: var(--pc-text-soft);
  margin: 0;
}

.page-contact .coord-card__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey);
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
}

/* ---- 响应节奏时间线 ---- */
.page-contact .response-timeline {
  padding: 62px 0 66px;
  border-top: 1px solid var(--rule);
}

.page-contact .timeline {
  margin-top: 34px;
}

.page-contact .timeline__axis {
  position: relative;
  height: 1px;
  margin: 0 8px 26px;
  background: var(--rule);
}

.page-contact .timeline__tick {
  position: absolute;
  top: -3px;
  width: 1px;
  height: 7px;
  background: var(--amber);
}

.page-contact .timeline__tick:nth-child(1) { left: 0; }
.page-contact .timeline__tick:nth-child(2) { left: 33.3%; }
.page-contact .timeline__tick:nth-child(3) { left: 66.6%; }
.page-contact .timeline__tick:nth-child(4) { right: 0; background: var(--amber-light); }

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

.page-contact .timeline__item {
  position: relative;
  margin-left: 8px;
  padding: 0 0 22px 24px;
  border-left: 1px solid var(--rule);
}

.page-contact .timeline__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .timeline__dot {
  position: absolute;
  left: -4px;
  top: 6px;
  width: 8px;
  height: 8px;
  background: var(--grey);
}

.page-contact .timeline__dot--ok { background: var(--ok); }
.page-contact .timeline__dot--amber { background: var(--amber); }
.page-contact .timeline__dot--warn { background: var(--warn); }

.page-contact .timeline__label {
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  margin: 0 0 6px;
}

.page-contact .timeline__desc {
  font-size: 14px;
  line-height: 1.72;
  color: var(--pc-text-soft);
  margin: 0;
  max-width: 56ch;
}

.page-contact .response-timeline .media-frame {
  margin-top: 34px;
}

/* ---- 办公地址 ---- */
.page-contact .address-block {
  padding: 62px 0 66px;
  border-top: 1px solid var(--rule);
}

.page-contact .address-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 34px;
}

.page-contact .address-copy > p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-text-soft);
  margin: 0 0 20px;
  max-width: 58ch;
}

.page-contact .address-copy__line {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--amber-light);
  background: rgba(242, 160, 61, 0.08);
  border-left: 3px solid var(--amber);
  padding: 15px 16px;
  margin: 0 0 20px;
  word-break: break-word;
}

.page-contact .address-copy__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .address-copy__list li {
  display: flex;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.6;
  color: var(--pc-text-soft);
}

.page-contact .address-copy__list li span {
  flex: 0 0 44px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
  padding-top: 2px;
}

.page-contact .address-copy__tip {
  font-size: 13px;
  line-height: 1.72;
  color: var(--pc-text-dim);
  border-top: 1px dashed var(--rule);
  padding-top: 14px;
  margin: 0;
}

.page-contact .address-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .address-map {
  position: relative;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--rule-strong);
  background-color: rgba(7, 42, 32, 0.36);
  background-image:
    linear-gradient(rgba(43, 210, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 210, 255, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  overflow: hidden;
}

.page-contact .address-map::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px dashed rgba(110, 122, 118, 0.28);
  pointer-events: none;
}

.page-contact .address-map__label {
  position: absolute;
  top: 14px;
  left: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--grey);
  text-transform: uppercase;
}

.page-contact .address-map__pin {
  position: absolute;
  left: 44%;
  top: 52%;
  width: 14px;
  height: 14px;
  background: var(--amber);
  box-shadow: 0 0 0 6px rgba(242, 160, 61, 0.16);
}

.page-contact .address-map__coord {
  position: absolute;
  left: calc(44% + 18px);
  top: 52%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--amber-light);
}

.page-contact .address-map__axis {
  position: absolute;
  background: rgba(43, 210, 255, 0.4);
}

.page-contact .address-map__axis--x {
  left: 0;
  right: 0;
  top: 52%;
  height: 1px;
}

.page-contact .address-map__axis--y {
  top: 0;
  bottom: 0;
  left: 44%;
  width: 1px;
}

/* ---- 纠错反馈 ---- */
.page-contact .feedback-block {
  padding: 62px 0 66px;
  border-top: 1px solid var(--rule);
}

.page-contact .feedback-block .grid {
  margin-top: 34px;
}

.page-contact .feedback-block .col-5 p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-text-soft);
  margin: 0 0 16px;
  max-width: 50ch;
}

.page-contact .feedback-block .col-5 a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 160, 61, 0.42);
}

.page-contact .feedback-block .col-5 a:hover {
  color: var(--amber-light);
  border-bottom-color: var(--amber-light);
}

.page-contact .feedback-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .feedback-list__item {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.page-contact .feedback-list__num {
  flex: 0 0 30px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--amber);
  padding-top: 4px;
}

.page-contact .feedback-list__item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  margin: 0 0 6px;
}

.page-contact .feedback-list__item p {
  font-size: 14px;
  line-height: 1.72;
  color: var(--pc-text-soft);
  margin: 0;
}

/* ---- 合作与内容使用 ---- */
.page-contact .coop-block {
  padding: 62px 0 66px;
  border-top: 1px solid var(--rule);
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 34px;
  border: 1px solid var(--rule);
  background: var(--rule);
}

.page-contact .coop-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px;
  background: var(--ink-2);
}

.page-contact .coop-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
  margin: 0;
}

.page-contact .coop-card p {
  font-size: 14px;
  line-height: 1.72;
  color: var(--pc-text-soft);
  margin: 0;
}

.page-contact .coop-card .tag {
  align-self: flex-start;
}

/* ---- 备案与服务区域 ---- */
.page-contact .record-band {
  padding: 54px 0 72px;
  border-top: 4px solid var(--green);
  background: linear-gradient(180deg, rgba(12, 59, 46, 0.42) 0%, rgba(7, 42, 32, 0.12) 100%);
}

.page-contact .record-band__title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
  margin: 0 0 22px;
}

.page-contact .record-band__line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 16px;
  padding: 14px 18px;
  background: rgba(7, 42, 32, 0.5);
  border-left: 3px solid var(--amber);
  margin: 0 0 20px;
}

.page-contact .record-band__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--grey);
}

.page-contact .record-band__value {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--amber-light);
}

.page-contact .record-band__desc {
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-text-soft);
  max-width: 62ch;
  margin: 0 0 26px;
}

.page-contact .record-band__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---- 平板 ---- */
@media (min-width: 700px) {
  .page-contact .coord-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .address-map {
    aspect-ratio: 16 / 10;
  }
}

/* ---- 桌面 ---- */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 44px 0 72px;
  }

  .page-contact .hero-layout {
    grid-template-columns: 1.4fr 1fr;
    gap: 60px;
    align-items: end;
  }

  .page-contact .hero-meter {
    margin-bottom: 6px;
  }

  .page-contact .address-layout {
    grid-template-columns: 1.05fr 1fr;
    gap: 52px;
    align-items: start;
  }

  .page-contact .response-timeline .media-frame {
    margin-top: 0;
  }

  .page-contact .coord-card {
    padding: 32px 26px 24px;
    min-height: 250px;
  }
}

@media (min-width: 1040px) {
  .page-contact .coord-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

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

  .page-contact .address-map {
    aspect-ratio: 4 / 3;
  }
}

/* ---- 减少动效 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .coord-card {
    transition: none;
  }
}
<<<END>>>