.page-contact {
  --pc-gap: clamp(20px, 3vw, 40px);
  --pc-pad: clamp(20px, 3vw, 40px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  padding-top: clamp(22px, 3.6vw, 52px);
}

.page-contact .contact-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .contact-intro__main h1 {
  margin: 12px 0 18px;
}

.page-contact .contact-intro__main .lead {
  max-width: 34em;
}

.page-contact .contact-intro__main .plate a,
.page-contact .contact-split__right .plate a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .contact-intro__main .plate a:hover,
.page-contact .contact-split__right .plate a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .contact-intro__side {
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.page-contact .contact-facts {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-facts__k {
  flex: none;
  min-width: 44px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .contact-facts__v {
  font-family: var(--font-num);
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--paper);
  word-break: break-all;
}

@media (min-width: 880px) {
  .page-contact .contact-intro__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-contact .contact-intro__side {
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-top: 0;
    padding-left: var(--pc-pad);
  }
}

/* ---------- 双栏主体 ---------- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.4vw, 64px);
}

.page-contact .contact-split__left h2,
.page-contact .contact-split__right h2 {
  margin: 10px 0 8px;
}

@media (min-width: 980px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }
}

/* 渠道卡片 */
.page-contact .channel-card {
  position: relative;
  margin-top: 22px;
  padding: var(--pc-pad);
  background: var(--ink-2);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .24s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--cyan-dim);
}

.page-contact .channel-card:hover::before,
.page-contact .channel-card:focus-within::before {
  transform: scaleY(1);
}

.page-contact .channel-card__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-contact .channel-card__idx {
  color: var(--gold);
  line-height: 1;
}

.page-contact .channel-card__head h3 {
  margin: 0;
}

.page-contact .channel-card__addr {
  margin: 16px 0 12px;
  font-family: var(--font-num);
  font-size: clamp(19px, 2.3vw, 29px);
  letter-spacing: .01em;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .channel-card__desc {
  margin: 0 0 16px;
  max-width: 40em;
  color: var(--paper);
}

.page-contact .channel-card__points {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .channel-card__points li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: var(--muted);
}

.page-contact .channel-card__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 9px;
  height: 1px;
  background: var(--gold);
}

.page-contact .channel-card__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

/* 右侧准备清单 */
.page-contact .contact-split__right {
  align-self: start;
}

.page-contact .prep-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 6px;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-contact .prep-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .prep-item__mark {
  flex: none;
  position: relative;
  width: 17px;
  height: 17px;
  margin-top: 4px;
  border: 1px solid var(--gold);
}

.page-contact .prep-item__mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--cyan-dim);
}

.page-contact .prep-item__text {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
}

.page-contact .prep-item__text strong {
  display: block;
  margin-bottom: 2px;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

/* ---------- 合作互认 ---------- */
.page-contact .partner-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.2vw, 44px);
  padding: clamp(26px, 3.2vw, 42px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .partner-strip__lead h2 {
  margin: 10px 0 12px;
}

.page-contact .partner-needs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .partner-needs li {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-contact .partner-needs__idx {
  display: block;
  color: var(--gold-soft);
  font-size: 30px;
  line-height: 1;
  margin-bottom: 10px;
}

.page-contact .partner-needs p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-contact .partner-needs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .partner-strip {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }
}

/* ---------- 回复节奏 ---------- */
.page-contact .rhythm-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 54px);
}

.page-contact .rhythm-copy h2 {
  margin: 10px 0 14px;
}

.page-contact .rhythm-copy p {
  max-width: 32em;
}

.page-contact .rhythm-visual .media-frame {
  margin: 0;
}

.page-contact .rhythm-track {
  list-style: none;
  margin: 20px 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .rhythm-track__node {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--ink-2);
}

.page-contact .rhythm-track__t {
  font-family: var(--font-num);
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1;
  color: var(--gold-soft);
}

.page-contact .rhythm-track__d {
  font-size: 14px;
  color: var(--muted);
}

@media (min-width: 620px) {
  .page-contact .rhythm-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .rhythm-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

/* ---------- 属地与备案 ---------- */
.page-contact .region-band {
  position: relative;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-2);
}

.page-contact .region-band__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-contact .region-band__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .24;
}

.page-contact .region-band__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, var(--ink) 26%, transparent 88%);
}

.page-contact .region-band__content {
  position: relative;
  z-index: 1;
  padding: clamp(26px, 3.4vw, 52px);
}

.page-contact .region-band__content h2 {
  margin: 10px 0 22px;
}

.page-contact .region-list {
  margin: 0 0 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  max-width: 52em;
}

.page-contact .region-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .region-list__row dt {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-contact .region-list__row dd {
  margin: 0;
  font-size: 15px;
  color: var(--paper);
  line-height: 1.7;
}

@media (min-width: 720px) {
  .page-contact .region-list__row {
    grid-template-columns: 122px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 480px) {
  .page-contact .channel-card__addr {
    font-size: 17px;
  }

  .page-contact .partner-needs__idx {
    font-size: 24px;
  }

  .page-contact .region-band__bg img {
    opacity: .16;
  }
}

.page-contact .channel-card,
.page-contact .prep-item,
.page-contact .region-band,
.page-contact .rhythm-track__node {
  min-width: 0;
}
<<<END>>>