.page-contact {
  --contact-card-bg: rgba(11, 42, 51, 0.96);
  --contact-ink-soft: #40565f;
  background: var(--deep);
  color: var(--paper);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-contact .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

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

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .band {
  position: relative;
  padding: 76px 0;
}

.page-contact .band--deep {
  background: var(--deep);
}

.page-contact .band--night {
  background: var(--night);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .h-section {
  margin: 0 0 14px;
  color: var(--paper);
}

.page-contact .lede {
  max-width: 40em;
  margin: 0 0 36px;
  color: #c3d3d6;
  font-size: 16px;
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--header-h) + 48px) 0 64px;
  background:
    radial-gradient(1100px 520px at 84% 2%, rgba(63, 224, 208, 0.15), transparent 62%),
    radial-gradient(880px 460px at 0% 92%, rgba(43, 44, 107, 0.55), transparent 72%),
    var(--deep);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(30, 58, 74, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 58, 74, 0.55) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.72), transparent 76%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.72), transparent 76%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 44px;
}

.page-contact .crumbs {
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-contact .crumbs a {
  color: var(--cyan);
  text-decoration: none;
}

.page-contact .crumbs__sep {
  margin: 0 8px;
  color: var(--line);
}

.page-contact .eyebrow {
  margin: 22px 0 0;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-contact .contact-title {
  margin: 14px 0 20px;
  font-family: var(--font-sans);
  font-size: clamp(40px, 9.4vw, 82px);
  font-weight: 900;
  line-height: 0.97;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-contact .contact-hero__lead .lede {
  margin-bottom: 28px;
  max-width: 33em;
}

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

.page-contact .contact-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 16px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: var(--edge);
}

.page-contact .contact-hero__facts li {
  display: grid;
  gap: 4px;
}

.page-contact .fact-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-contact .fact-label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
  letter-spacing: 0.08em;
}

.page-contact .contact-hero__aside {
  position: relative;
  display: grid;
  gap: 16px;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  height: 210px;
  overflow: hidden;
  border: var(--edge);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.72);
}

.page-contact .contact-hero__cards {
  display: grid;
  gap: 16px;
}

.page-contact .contact-card {
  padding: 20px 20px 18px;
  background: var(--contact-card-bg);
  border: var(--edge);
  border-left: 2px solid var(--cyan);
  box-shadow: var(--shadow-card);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-contact .contact-card--phone {
  border-left-color: var(--orange);
  clip-path: polygon(20px 0, 100% 0, 100% 100%, 0 100%, 0 20px);
}

.page-contact .contact-card__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .contact-card__value {
  margin: 8px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.8vw, 19px);
  letter-spacing: 0.04em;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .contact-card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 两条联系线 ---------- */
.page-contact .contact-lines__grid {
  display: grid;
  gap: 20px;
}

.page-contact .contact-line {
  position: relative;
  padding: 26px 22px 24px;
  background: var(--deep);
  border: var(--edge);
}

.page-contact .contact-line--biz {
  border-top: 3px solid var(--cyan);
}

.page-contact .contact-line--user {
  border-top: 3px solid var(--orange);
}

.page-contact .contact-line__index {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .contact-line h3 {
  margin: 10px 0 10px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .contact-line p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: #c3d3d6;
}

.page-contact .contact-line__link {
  display: inline-block;
  margin-right: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.45);
  padding-bottom: 2px;
}

.page-contact .contact-line__link--sub {
  color: var(--mist);
  border-bottom-color: var(--line);
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.page-contact .contact-filter__status {
  margin: 0 0 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .dir-list {
  display: grid;
  gap: 20px;
}

.page-contact .dir-card {
  padding: 24px 20px 22px;
  background: linear-gradient(160deg, rgba(11, 42, 51, 0.92), rgba(7, 26, 43, 0.94));
  border: var(--edge);
  border-top: 3px solid var(--cyan);
  box-shadow: var(--shadow-card);
}

.page-contact .dir-card--content {
  border-top-color: var(--signal, var(--orange));
}

.page-contact .dir-card--channel {
  border-top-color: var(--grass);
}

.page-contact .dir-card__tag {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .dir-card h3 {
  margin: 0 0 12px;
  font-size: 21px;
  font-weight: 700;
}

.page-contact .dir-card__desc {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: #c3d3d6;
}

.page-contact .dir-card__meta {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-contact .dir-card__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .dir-card__meta dd {
  margin: 4px 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: #b8c9cd;
}

.page-contact .dir-card__meta dd:last-child {
  margin-bottom: 0;
}

/* ---------- 客服通道 ---------- */
.page-contact .channel-list {
  display: grid;
  border-top: var(--edge);
}

.page-contact .channel {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: var(--edge);
}

.page-contact .channel__key {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .channel__meta {
  font-size: 14px;
  line-height: 1.7;
  color: #b8c9cd;
}

.page-contact .contact-hint {
  margin: 28px 0 0;
  padding: 16px 18px;
  background: rgba(255, 122, 47, 0.08);
  border-left: 2px solid var(--orange);
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
}

/* ---------- 咨询准备（浅色反转区） ---------- */
.page-contact .contact-band--paper {
  background: var(--paper);
  color: var(--deep);
}

.page-contact .contact-band--paper .h-section {
  color: var(--deep);
}

.page-contact .contact-band--paper .lede {
  color: var(--contact-ink-soft);
}

.page-contact .contact-prep__list {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: prep;
  display: grid;
  gap: 0;
}

.page-contact .contact-prep__list li {
  counter-increment: prep;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid rgba(7, 26, 43, 0.14);
}

.page-contact .contact-prep__list li::before {
  content: counter(prep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--wine);
  padding-top: 3px;
}

.page-contact .contact-prep__list h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--deep);
}

.page-contact .contact-prep__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--contact-ink-soft);
}

.page-contact .contact-prep__foot {
  margin: 26px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: #5b7078;
}

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

/* ---------- 合作流程（阶梯折叠） ---------- */
.page-contact .contact-flow {
  margin-top: 4px;
}

.page-contact .contact-flow .accordion__item {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  border-left: 1px solid rgba(63, 224, 208, 0.34);
}

.page-contact .contact-flow .accordion__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 24px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--deep);
  border: 1px solid var(--cyan);
}

.page-contact .contact-flow .accordion__trigger {
  display: flex;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  padding: 16px 0;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
}

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

.page-contact .flow__name {
  flex: 1 1 auto;
}

.page-contact .contact-flow .accordion__icon {
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .contact-flow .accordion__panel {
  padding: 0 0 18px;
}

.page-contact .contact-flow .accordion__panel p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: #b8c9cd;
}

.page-contact .flow__out {
  margin: 12px 0 0;
  padding: 12px 14px;
  border: 1px dashed rgba(63, 224, 208, 0.38);
  font-size: 14px;
  color: var(--paper);
}

.page-contact .flow__out span {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

/* ---------- 地址与收尾 ---------- */
.page-contact .contact-place {
  position: relative;
  padding: 76px 0 108px;
  background: linear-gradient(180deg, var(--deep) 0%, #04121c 100%);
}

.page-contact .contact-place__media {
  position: relative;
  margin: 0 0 30px;
  overflow: hidden;
  border: var(--edge);
}

.page-contact .contact-place__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.8);
}

.page-contact .contact-place__media::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 84px;
  height: 2px;
  background: var(--cyan);
}

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

.page-contact .contact-place__strip::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 64px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .contact-place__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .contact-place__address {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.6vw, 19px);
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .contact-place__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #9fb2ba;
}

@media (min-width: 720px) {
  .page-contact .contact-lines__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-contact .contact-prep__list {
    grid-template-columns: 1fr 1fr;
    column-gap: 32px;
  }

  .page-contact .contact-prep__list li:nth-child(-n + 2) {
    border-top: 1px solid rgba(7, 26, 43, 0.14);
  }

  .page-contact .contact-place__media img {
    height: 300px;
  }
}

@media (min-width: 960px) {
  .page-contact .band {
    padding: 112px 0;
  }

  .page-contact .contact-hero {
    padding: calc(var(--header-h) + 64px) 0 88px;
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 64px;
    align-items: center;
  }

  .page-contact .contact-hero__aside {
    min-height: 470px;
    align-content: center;
  }

  .page-contact .contact-hero__media {
    position: absolute;
    inset: 0;
    height: auto;
    border: 0;
  }

  .page-contact .contact-hero__media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(205deg, rgba(7, 26, 43, 0.18), rgba(7, 26, 43, 0.88));
  }

  .page-contact .contact-hero__cards {
    position: relative;
    z-index: 1;
    padding: 32px 0 32px 6px;
    gap: 18px;
  }

  .page-contact .contact-card--mail {
    margin-right: 40px;
  }

  .page-contact .contact-card--phone {
    margin-left: 40px;
    margin-top: -8px;
  }

  .page-contact .contact-lines__grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 32px;
    align-items: start;
  }

  .page-contact .contact-line--user {
    margin-top: 28px;
  }

  .page-contact .dir-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-contact .dir-card--content {
    transform: translateY(26px);
  }

  .page-contact .dir-card--channel {
    transform: translateY(10px);
  }

  .page-contact .channel {
    grid-template-columns: 150px minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-contact .contact-flow .accordion__item:nth-child(2) {
    margin-left: 30px;
  }

  .page-contact .contact-flow .accordion__item:nth-child(3) {
    margin-left: 60px;
  }

  .page-contact .contact-flow .accordion__item:nth-child(4) {
    margin-left: 90px;
  }

  .page-contact .contact-place {
    padding: 104px 0 160px;
  }

  .page-contact .contact-place__media img {
    height: 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .dir-card,
  .page-contact .contact-line {
    transform: none !important;
  }
}

.page-contact {
  --signal: currentColor;
}