.page-contact {
  --contact-rail-width: 300px;
  --contact-gap: clamp(32px, 5vw, 80px);
}

/* ---------- 首屏分屏 ---------- */
.page-contact .contact-split__inner {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  padding: clamp(24px, 5vw, 56px) 0 clamp(32px, 6vw, 72px);
  align-items: center;
}

.page-contact .contact-split__lead .display-title {
  max-width: 16ch;
  margin: 12px 0 0;
}

.page-contact .contact-split__lead .lede {
  margin-top: 20px;
}

.page-contact .contact-actions {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

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

.page-contact .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media--panorama .media__img {
  aspect-ratio: 3 / 1;
}

.page-contact .media__caption {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cold);
}

@media (min-width: 940px) {
  .page-contact .contact-split__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }
}

/* ---------- 双栏主体 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(48px, 8vw, 110px);
}

.page-contact .contact-rail {
  align-self: start;
  position: sticky;
  top: 0;
  z-index: 3;
  padding: 20px;
  background: var(--panel);
  border-left: 2px solid var(--accent);
}

.page-contact .contact-rail__title {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--cold);
}

.page-contact .contact-rail__list {
  margin: 0;
  padding: 0;
}

.page-contact .contact-rail__item {
  padding: 13px 0;
  border-top: 1px solid var(--slate);
}

.page-contact .contact-rail__label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--cold);
}

.page-contact .contact-rail__value {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .contact-rail__value--mono {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-rail__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--slate);
  font-size: 13px;
  line-height: 1.7;
  color: var(--cold);
}

@media (max-width: 999px) {
  .page-contact .contact-rail {
    padding: 15px 18px;
  }
  .page-contact .contact-rail__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 22px;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-layout {
    grid-template-columns: var(--contact-rail-width) minmax(0, 1fr);
    gap: clamp(48px, 6vw, 88px);
  }
  .page-contact .contact-rail {
    top: 96px;
  }
}

/* ---------- 右侧内容块 ---------- */
.page-contact .contact-main {
  min-width: 0;
}

.page-contact .contact-block {
  padding: clamp(34px, 5vw, 64px) 0;
  border-top: 1px solid var(--slate);
}

.page-contact .contact-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-main p {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .contact-main h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.page-contact .contact-block .section-title {
  margin: 10px 0 0;
}

.page-contact .contact-block .lede {
  margin-top: 18px;
}

.page-contact .contact-more {
  margin-top: 26px;
}

/* ---------- 自查清单 ---------- */
.page-contact .checklist {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .checklist__item {
  padding: 20px 0;
  border-top: 1px solid var(--slate);
}

.page-contact .checklist__item p {
  margin-top: 10px;
}

.page-contact .checklist__title {
  position: relative;
  padding-left: 28px;
}

.page-contact .checklist__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 16px;
  height: 2px;
  background: var(--accent);
}

@media (min-width: 820px) {
  .page-contact .checklist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 36px;
  }
  .page-contact .checklist__item {
    padding: 20px 0 0;
  }
}

/* ---------- 渠道标签页 ---------- */
.page-contact .tabs {
  margin-top: 30px;
}

.page-contact .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0 26px;
  border-bottom: 1px solid var(--slate);
}

.page-contact .tabs__tab {
  appearance: none;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 12px 0;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  color: var(--cold);
  cursor: pointer;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .tabs__tab:hover {
  color: var(--white);
}

.page-contact .tabs__tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-contact .tabs__tab[aria-selected="true"] {
  color: var(--white);
  border-bottom-color: var(--accent);
}

.page-contact .tabs__panel {
  padding-top: 26px;
}

.page-contact .tabs__panel[hidden] {
  display: none;
}

.page-contact .tabs__panel h3 {
  margin-bottom: 12px;
}

.page-contact .channel-facts {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .channel-facts li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cold);
}

.page-contact .channel-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--accent);
}

.page-contact .channel-address {
  margin-top: 20px;
  padding: 14px 18px;
  background: var(--panel);
  border-left: 2px solid var(--accent);
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 2.4vw, 20px);
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .record-list {
  margin: 18px 0 0;
  padding: 0;
}

.page-contact .record-list__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid var(--slate);
}

.page-contact .record-list__label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--cold);
}

.page-contact .record-list__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .record-list__value--mono {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 620px) {
  .page-contact .record-list__row {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
}

/* ---------- 专项处理 ---------- */
.page-contact .contact-support {
  margin-top: 30px;
}

.page-contact .contact-support__item {
  padding-top: 18px;
  border-top: 1px solid var(--slate);
}

/* ---------- 合作材料清单 ---------- */
.page-contact .contact-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cold);
}

.page-contact .contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--jade);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-contact .flow__item {
  position: relative;
  padding-top: 20px;
  border-top: 1px solid var(--slate);
}

.page-contact .flow__item::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 26px;
  height: 3px;
  background: var(--accent);
}

.page-contact .flow__step {
  display: block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.page-contact .flow__title {
  margin: 6px 0 0;
}

.page-contact .flow__item p {
  margin-top: 8px;
}

@media (min-width: 880px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 30px;
  }
}

.page-contact .contact-figure {
  margin: 34px 0 0;
}