.page-contact {
  --pc-rail: 320px;
  --pc-gap: clamp(20px, 3.2vw, 44px);
}

/* ── 首屏抽象氛围图 ───────────────────────────── */
.page-contact .contact-hero {
  margin: 0 0 clamp(36px, 5vw, 60px);
  padding-top: 18px;
  border-top: 1px solid var(--grid);
}

.page-contact .contact-hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--sand);
}

.page-contact .contact-hero__cap {
  margin: 12px 0 0;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--stand);
}

/* ── 值班台：左窄卡列 + 右宽指引 ──────────────── */
.page-contact .contact-desk {
  padding: clamp(32px, 5vw, 64px) 0 clamp(28px, 4vw, 52px);
  border-top: 1px solid var(--grid);
}

.page-contact .contact-desk__heading {
  margin: 0 0 clamp(22px, 3vw, 34px);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.22;
  color: var(--ink);
}

.page-contact .contact-desk__grid {
  display: grid;
  grid-template-columns: 1fr;
}

.page-contact .contact-desk__rail {
  border-top: 1px solid var(--grid);
}

.page-contact .contact-card {
  border-bottom: 1px solid var(--grid);
}

.page-contact .contact-card__trig {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0 10px;
  cursor: pointer;
  list-style: none;
}

.page-contact .contact-card__trig::-webkit-details-marker {
  display: none;
}

.page-contact .contact-card__trig::marker {
  content: "";
}

.page-contact .contact-card__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--crimson);
}

.page-contact .contact-card__sign {
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform .2s var(--ease);
}

.page-contact .contact-card[open] .contact-card__sign {
  transform: rotate(-135deg);
}

.page-contact .contact-card__value {
  margin: 0 0 10px;
  padding-left: 14px;
  border-left: 3px solid var(--signal);
  font-family: var(--font-data);
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .contact-card__value--addr {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.65;
  word-break: normal;
}

.page-contact .contact-card__note {
  margin: 0 0 20px;
  padding-left: 14px;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stand);
}

.page-contact .contact-desk__body {
  padding: clamp(28px, 4vw, 40px) 0 8px;
}

.page-contact .guide__title {
  margin: 0 0 10px;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .guide__lead {
  margin: 0 0 20px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .guide__lead + .guide__title {
  margin-top: 34px;
}

.page-contact .contact-desk__body a,
.page-contact .material__text a {
  color: var(--cyan-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-desk__body a:hover,
.page-contact .material__text a:hover {
  color: var(--line-red);
}

.page-contact .brief-list {
  list-style: none;
  margin: 0 0 4px;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-contact .brief-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 10px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--grid);
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-contact .brief-list__no {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--line-red);
}

/* ── 数据疑问材料 ────────────────────────────── */
.page-contact .contact-material {
  padding: clamp(40px, 6vw, 76px) 0;
  border-top: 1px solid var(--grid);
}

.page-contact .material__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
}

.page-contact .material__label {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--crimson);
}

.page-contact .material__title {
  margin: 0 0 16px;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--ink);
}

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

.page-contact .material-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--grid);
}

.page-contact .material-list__no {
  padding-top: 2px;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--line-red);
}

.page-contact .material-list strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .material-list div span {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stand);
}

.page-contact .material__foot {
  margin: 0;
  padding: 13px 16px;
  border-left: 3px solid var(--signal);
  background: var(--sand);
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
}

.page-contact .material__figure {
  margin: 0;
}

.page-contact .material__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--sand);
}

.page-contact .material__cap {
  margin: 12px 0 0;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--stand);
}

/* ── 合作与媒体（夜色深蓝面板） ──────────────── */
.page-contact .contact-partner {
  margin-top: clamp(40px, 6vw, 72px);
  padding: clamp(44px, 6vw, 84px) 0;
  background: var(--night);
  color: var(--cream);
}

.page-contact .contact-partner h2 {
  margin: 0 0 16px;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-contact .partner__lead {
  margin: 0 0 clamp(28px, 4vw, 42px);
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(246, 239, 228, .82);
}

.page-contact .partner__cols {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid rgba(246, 239, 228, .18);
}

.page-contact .partner__col {
  padding: 22px 0;
  border-bottom: 1px solid rgba(246, 239, 228, .18);
}

.page-contact .partner__col h3 {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--signal);
}

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

.page-contact .partner__col li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(246, 239, 228, .86);
}

.page-contact .partner__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 9px;
  height: 2px;
  background: var(--signal);
}

.page-contact .partner__foot {
  margin: clamp(26px, 4vw, 38px) 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 239, 228, .8);
}

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

.page-contact .contact-partner a:hover {
  color: var(--cream);
}

/* ── 暖沙留白收尾 ────────────────────────────── */
.page-contact .contact-closing {
  background: var(--sand);
  padding: clamp(56px, 9vw, 118px) 0;
}

.page-contact .contact-closing__line {
  margin: 0 0 22px;
  max-width: 24ch;
  font-size: clamp(24px, 3.6vw, 42px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .contact-closing__meta {
  margin: 0;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--stand);
}

/* ── 桌面端：轨道 + 面板的非对称分栏 ──────────── */
@media (min-width: 900px) {
  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(260px, var(--pc-rail)) 1fr;
  }

  .page-contact .contact-desk__rail {
    padding-right: var(--pc-gap);
    border-right: 1px solid var(--grid);
  }

  .page-contact .contact-desk__body {
    padding: 2px 0 0 var(--pc-gap);
  }

  .page-contact .material__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .partner__cols {
    grid-template-columns: 1fr 1fr;
    column-gap: clamp(24px, 4vw, 60px);
  }
}
<<<END>>>