.page-contact {
  --contact-cut: 22px;
  overflow-x: clip;
  padding-bottom: clamp(48px, 7vw, 88px);
}

/* ---------- 页头 ---------- */
.page-contact .page__head {
  padding-top: clamp(24px, 4.5vw, 54px);
  padding-bottom: clamp(22px, 3.4vw, 40px);
  border-bottom: 1px solid var(--c-line);
  background: linear-gradient(180deg, rgba(200, 255, 46, 0.06), rgba(10, 12, 11, 0) 72%);
}

.page-contact .contact-kicker {
  margin: clamp(18px, 3vw, 30px) 0 0;
  color: var(--c-neon);
}

.page-contact .page__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(40px, 8vw, 104px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-contact .page__lead {
  max-width: 60ch;
  margin: clamp(14px, 2vw, 22px) 0 0;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.62;
  color: var(--c-muted);
}

.page-contact .contact-window {
  list-style: none;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-contact .contact-window__item {
  background: var(--c-graphite);
  padding: 12px 14px 12px 16px;
  border-left: 3px solid var(--c-neon);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--c-white);
  font-variant-numeric: tabular-nums;
}

/* ---------- 顶部横幅 ---------- */
.page-contact .contact-banner {
  padding-top: clamp(22px, 3vw, 36px);
  padding-bottom: 0;
}

.page-contact .contact-banner__media {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-graphite);
}

.page-contact .contact-banner__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
}

.page-contact .contact-banner__media .media__cap {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--c-muted);
  border-top: 1px solid var(--c-line);
}

/* ---------- 主体左右分置 ---------- */
.page-contact .contact-split {
  padding-top: clamp(34px, 5vw, 64px);
}

.page-contact .contact-split__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
}

.page-contact .contact-split__left,
.page-contact .contact-split__right {
  min-width: 0;
}

.page-contact .contact-split__right {
  display: grid;
  align-content: start;
  gap: clamp(14px, 1.8vw, 22px);
}

.page-contact .contact-split__right .section-head {
  margin-bottom: 4px;
}

/* ---------- 受理范围 ---------- */
.page-contact .scope-cols {
  margin-top: clamp(16px, 2vw, 24px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .scope-col {
  position: relative;
  padding: clamp(15px, 1.8vw, 20px);
  background: var(--c-graphite);
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-contact .scope-col--yes {
  border-top: 2px solid var(--c-neon);
}

.page-contact .scope-col--no {
  border-top: 2px solid var(--c-flag-red);
}

.page-contact .scope-col__title {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--c-white);
}

.page-contact .scope-col--no .scope-col__title {
  color: var(--c-muted);
}

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

.page-contact .scope-list__item {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 8px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--c-white);
}

.page-contact .scope-list__mark {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-neon);
}

.page-contact .scope-col--no .scope-list__mark {
  color: var(--c-flag-red);
}

.page-contact .scope-col--no .scope-list__item {
  color: var(--c-muted);
}

/* ---------- 联系卡片 ---------- */
.page-contact .contact-cards__bg {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-asphalt);
}

.page-contact .contact-cards__bg img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: 0.86;
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(16px, 2vw, 26px) clamp(16px, 2vw, 28px) clamp(18px, 2.2vw, 26px);
  background: var(--c-graphite);
  border: 1px solid var(--c-line);
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--c-neon);
}

.page-contact .contact-card .label {
  display: block;
  margin: 0;
  color: var(--c-muted);
}

.page-contact .contact-card .card__title {
  margin: 6px 0 0;
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.2;
  color: var(--c-white);
}

.page-contact .contact-card__value {
  margin: 8px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 21px);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--c-neon);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--plain {
  font-size: clamp(15px, 1.7vw, 18px);
  color: var(--c-white);
  letter-spacing: 0.02em;
}

.page-contact .contact-card .card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--c-muted);
}

.page-contact .contact-card__foot {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--c-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}

.page-contact .contact-card__meta {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  color: rgba(10, 12, 11, 0.62);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-card--paper {
  background: var(--c-paper);
  border-color: var(--c-asphalt);
  box-shadow: 0 8px 0 -4px rgba(233, 236, 230, 0.14);
}

.page-contact .contact-card--paper::before {
  background: var(--c-asphalt);
}

.page-contact .contact-card--paper .label {
  color: rgba(10, 12, 11, 0.6);
}

.page-contact .contact-card--paper .card__title {
  color: var(--c-asphalt);
}

.page-contact .contact-card--paper .contact-card__value--plain {
  color: var(--c-asphalt);
}

.page-contact .contact-card--paper .card__body {
  color: rgba(10, 12, 11, 0.74);
}

/* ---------- 合作与引用 ---------- */
.page-contact .coop {
  margin-top: clamp(16px, 2.4vw, 26px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .coop__block {
  padding: clamp(16px, 2vw, 26px);
  background: var(--c-steel);
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-contact .coop__title {
  margin: 0 0 12px;
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 1.25;
  color: var(--c-white);
}

.page-contact .coop__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .coop__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-white);
}

.page-contact .coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--c-neon);
}

.page-contact .coop__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-muted);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow {
  list-style: none;
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-contact .flow__item {
  background: var(--c-graphite);
  padding: clamp(16px, 2vw, 24px);
}

.page-contact .flow__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--c-neon-deep);
}

.page-contact .flow__title {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.3;
  color: var(--c-white);
}

.page-contact .flow__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--c-muted);
}

/* ---------- 相关页面 ---------- */
.page-contact .contact-links__list {
  list-style: none;
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .contact-links__item {
  display: grid;
  gap: 5px;
  padding: 12px 0 12px 14px;
  border-left: 2px solid var(--c-line);
}

.page-contact .contact-links__item:hover {
  border-left-color: var(--c-neon-deep);
}

.page-contact .contact-links__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .scope-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-window {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-links__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .coop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .contact-split__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(32px, 4vw, 72px);
    align-items: start;
  }

  .page-contact .contact-split__left {
    padding-right: clamp(28px, 3.5vw, 56px);
    border-right: 1px solid var(--c-line);
  }
}