.page-contact {
  --co-pad: clamp(20px, 3vw, 34px);
  --co-gap: clamp(18px, 3vw, 34px);
  position: relative;
  color: var(--text);
  padding-bottom: clamp(48px, 7vw, 96px);
  background:
    radial-gradient(880px 520px at 90% 2%, rgba(199, 242, 80, .065), transparent 62%),
    radial-gradient(700px 500px at 2% 46%, rgba(255, 139, 61, .05), transparent 60%);
}

.page-contact .crumbs {
  margin: clamp(16px, 2.6vw, 28px) 0 clamp(18px, 2.8vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-bottom: clamp(34px, 5.4vw, 64px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .contact-hero h1 {
  margin: 10px 0 clamp(14px, 2vw, 22px);
  font-size: var(--fs-1);
  line-height: 1.12;
  letter-spacing: -.022em;
  font-weight: 800;
}

.page-contact .contact-hero__lede {
  margin: 0 0 clamp(20px, 2.8vw, 30px);
  max-width: 46ch;
  color: var(--muted);
  font-size: var(--fs-5);
  line-height: 1.75;
}

.page-contact .contact-hero__facts {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-contact .contact-hero__facts li {
  background: var(--surface);
  padding: 13px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-contact .contact-k {
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .contact-v {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: -.01em;
  color: var(--lime);
}

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

.page-contact .contact-hero__figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 9% 100%);
}

.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(200deg, rgba(199, 242, 80, .12), transparent 46%);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 章节通用 ---------- */
.page-contact .contact-sec {
  position: relative;
  padding: clamp(38px, 5.6vw, 78px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .section-head {
  margin-bottom: clamp(22px, 3.2vw, 42px);
}

.page-contact .contact-sec--coop {
  background: linear-gradient(158deg, rgba(74, 19, 48, .74), rgba(30, 27, 69, .52) 60%, transparent 100%);
  border-top-color: var(--line);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .contact-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--co-gap);
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--co-pad);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-contact .contact-card:hover {
  border-color: rgba(199, 242, 80, .42);
  transform: translateY(-2px);
}

.page-contact .contact-card--primary {
  border-top: 3px solid var(--lime);
}

.page-contact .contact-card--tel {
  border-top: 3px solid var(--wine);
}

.page-contact .contact-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .contact-card__title {
  margin: 0;
  font-size: var(--fs-4);
  letter-spacing: -.012em;
}

.page-contact .contact-card__badge {
  color: var(--on-accent);
}

.page-contact .contact-card__value {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.02rem, 3.4vw, 1.5rem);
  line-height: 1.28;
  letter-spacing: -.015em;
  color: var(--lime);
  text-decoration: none;
  word-break: break-all;
  transition: color .2s var(--ease);
}

.page-contact .contact-card__value:hover,
.page-contact .contact-card__value:focus-visible {
  color: var(--on-accent);
  text-decoration: underline;
  text-underline-offset: 5px;
}

.page-contact .contact-card__value--tel {
  color: var(--orange);
}

.page-contact .contact-card__value--tel:hover,
.page-contact .contact-card__value--tel:focus-visible {
  color: #FFC08A;
}

.page-contact .contact-card__desc {
  margin: 0;
  color: var(--muted);
  font-size: .96rem;
  line-height: 1.75;
}

.page-contact .contact-card__hint {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  color: var(--muted);
  font-size: .875rem;
  line-height: 1.7;
}

.page-contact .contact-card__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: .925rem;
  color: var(--muted);
}

.page-contact .contact-card__list li {
  position: relative;
  padding-left: 18px;
  line-height: 1.65;
}

.page-contact .contact-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 2px;
  background: var(--lime);
}

/* ---------- 地址 ---------- */
.page-contact .contact-address {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 46px);
  align-items: start;
}

.page-contact .contact-address__line {
  margin: 0 0 18px;
  padding-left: 16px;
  border-left: 3px solid var(--lime);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.02rem, 2.6vw, 1.32rem);
  line-height: 1.6;
  letter-spacing: -.012em;
}

.page-contact .contact-address__body {
  margin: 0 0 16px;
  max-width: 48ch;
  color: var(--muted);
  font-size: .98rem;
  line-height: 1.8;
}

.page-contact .contact-address__figure {
  margin: 0;
  overflow: hidden;
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 11% 100%);
}

.page-contact .contact-address__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(70% 60% at 68% 30%, rgba(255, 139, 61, .14), transparent 70%);
}

.page-contact .contact-address__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ---------- 合作 ---------- */
.page-contact .contact-coop {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.2vw, 40px);
}

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

.page-contact .coop-list li {
  display: grid;
  gap: 7px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .coop-list__k {
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -.008em;
}

.page-contact .coop-list__v {
  color: var(--muted);
  font-size: .93rem;
  line-height: 1.75;
}

.page-contact .contact-coop__note {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  background: rgba(8, 17, 14, .55);
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.78;
}

.page-contact .contact-coop__aside {
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--line);
  background: rgba(8, 17, 14, .62);
}

.page-contact .coop-aside__title {
  margin: 0 0 16px;
  font-size: var(--fs-5);
  letter-spacing: -.008em;
}

.page-contact .coop-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .coop-aside__list li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.7;
}

.page-contact .coop-aside__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .52em;
  width: 10px;
  height: 10px;
  border: 1px solid var(--lime);
}

.page-contact .coop-aside__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  color: var(--lime);
  font-size: .88rem;
  line-height: 1.7;
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-contact .prep-item {
  background: var(--surface);
}

.page-contact .prep-label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  height: 100%;
  padding: clamp(18px, 2.4vw, 26px);
  cursor: pointer;
  transition: background .24s var(--ease);
}

.page-contact .prep-label:hover {
  background: rgba(199, 242, 80, .07);
}

.page-contact .prep-check {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 22px;
  height: 22px;
  margin: 3px 0 0;
  position: relative;
  border: 1px solid var(--line);
  background: var(--carbon);
  cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .prep-check:hover {
  border-color: var(--lime);
}

.page-contact .prep-check:checked {
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .prep-check:checked::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--carbon);
  border-bottom: 2px solid var(--carbon);
  transform: rotate(42deg);
}

.page-contact .prep-check:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-contact .prep-body {
  display: block;
}

.page-contact .prep-title {
  display: block;
  margin-bottom: 7px;
  font-weight: 700;
  font-size: 1.03rem;
  letter-spacing: -.008em;
}

.page-contact .prep-text {
  display: block;
  color: var(--muted);
  font-size: .93rem;
  line-height: 1.72;
}

/* ---------- 页尾信息行 ---------- */
.page-contact .contact-foot {
  margin-top: clamp(34px, 5vw, 64px);
  padding-top: clamp(20px, 2.8vw, 30px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-foot__line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--muted);
}

.page-contact .contact-foot__line a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .contact-foot__line a:hover,
.page-contact .contact-foot__line a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .contact-address {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .9fr);
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr);
  }

  .page-contact .contact-channels {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-contact .contact-card--primary .contact-card__desc {
    max-width: 52ch;
  }

  .page-contact .contact-coop {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__lede {
    max-width: 44ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-card__value,
  .page-contact .prep-label,
  .page-contact .prep-check,
  .page-contact .contact-foot__line a {
    transition: none;
  }

  .page-contact .contact-card:hover {
    transform: none;
  }
}