.page-contact {
  --pc-gap: clamp(16px, 2.6vw, 28px);
  --pc-pad: clamp(20px, 3vw, 30px);
  position: relative;
  padding-bottom: clamp(30px, 5vw, 64px);
}

/* ── 面包屑 ───────────────────────────── */
.page-contact .breadcrumb {
  padding-top: clamp(14px, 3vw, 22px);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--mist);
}

.page-contact .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  color: var(--stand);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--lake);
  border-bottom-color: rgba(23, 179, 196, 0.6);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--star);
}

/* ── 首屏 ─────────────────────────────── */
.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(18px, 3.5vw, 40px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -18% -8% auto -8%;
  height: 360px;
  background:
    radial-gradient(58% 100% at 18% 0%, rgba(124, 92, 255, 0.22), transparent 70%),
    radial-gradient(52% 92% at 82% 8%, rgba(23, 179, 196, 0.18), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: end;
}

.page-contact h1 {
  margin: 10px 0 16px;
  font-size: clamp(1.9rem, 5.6vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--star);
}

.page-contact .hero-copy .lede {
  margin: 0;
  max-width: 40em;
  color: var(--mist);
}

.page-contact .hero-channel {
  position: relative;
  padding: var(--pc-pad);
  border: 1px solid rgba(23, 179, 196, 0.45);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(23, 179, 196, 0.16), rgba(124, 92, 255, 0.12) 62%, transparent);
  box-shadow: var(--shadow-float);
}

.page-contact .hero-channel::after {
  content: "";
  position: absolute;
  right: 18px;
  bottom: 16px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 16px rgba(255, 194, 75, 0.85);
}

.page-contact .hero-channel__label {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .hero-channel__value {
  margin: 0 0 16px;
  font-size: clamp(0.95rem, 2.6vw, 1.1rem);
  color: var(--star);
  word-break: break-all;
}

.page-contact .hero-channel__value--gold {
  color: var(--gold);
}

.page-contact .hero-channel__note {
  margin: 0;
  font-size: 13px;
  color: var(--mist);
}

/* ── 客服通道 ─────────────────────────── */
.page-contact .ch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  animation: none;
}

.page-contact .contact-card--primary {
  border-color: rgba(23, 179, 196, 0.55);
  box-shadow: 0 0 0 1px rgba(23, 179, 196, 0.16), var(--shadow-float);
}

.page-contact .contact-card .card__title {
  margin: 12px 0 6px;
  font-size: 1.15rem;
  line-height: 1.35;
}

.page-contact .contact-card > p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .contact-line {
  margin: 6px 0 14px;
  font-size: clamp(1rem, 2.8vw, 1.24rem);
  letter-spacing: 0.01em;
  color: var(--lake);
  word-break: break-all;
}

.page-contact .contact-line--gold {
  color: var(--gold);
}

.page-contact .case-details {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .case-details summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--lake);
}

.page-contact .case-details summary::-webkit-details-marker {
  display: none;
}

.page-contact .case-details summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
}

.page-contact .case-details[open] summary::after {
  content: "–";
}

.page-contact .case-details p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .case-details p a,
.page-contact .partner-note a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 179, 196, 0.45);
}

.page-contact .case-details p a:hover,
.page-contact .case-details p a:focus-visible,
.page-contact .partner-note a:hover,
.page-contact .partner-note a:focus-visible {
  border-bottom-color: var(--lake);
}

/* ── 来信前准备好 ─────────────────────── */
.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: center;
}

.page-contact .prep-copy .prose {
  margin: 0 0 22px;
  color: var(--mist);
}

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

.page-contact .prep-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  background: var(--surface);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  transition: border-color 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-contact .prep-item:hover,
.page-contact .prep-item:focus-within {
  border-color: rgba(23, 179, 196, 0.5);
  transform: translateX(3px);
}

.page-contact .prep-item strong {
  color: var(--star);
  font-weight: 600;
}

.page-contact .prep-mark {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid rgba(23, 179, 196, 0.6);
  border-radius: 6px;
}

.page-contact .prep-mark::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 3px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--lake);
  border-bottom: 2px solid var(--lake);
  transform: rotate(45deg);
}

.page-contact .prep-media {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

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

/* ── 合作对接 ─────────────────────────── */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .partner-card {
  padding: var(--pc-pad);
  display: flex;
  flex-direction: column;
}

.page-contact .partner-card .card__title {
  margin: 12px 0 8px;
  font-size: 1.08rem;
  line-height: 1.4;
}

.page-contact .partner-card > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .need-list {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line-soft);
}

.page-contact .need-list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .need-list li::before {
  content: "›";
  flex: none;
  color: var(--lake);
}

.page-contact .partner-note {
  margin: clamp(22px, 3vw, 34px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ── 运营坐标 ─────────────────────────── */
.page-contact .base-media {
  margin: 0 0 clamp(22px, 3.4vw, 40px);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

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

.page-contact .base-copy {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.4vw, 32px);
}

.page-contact .base-copy__head .section-title {
  margin-top: 8px;
}

.page-contact .base-copy__body p {
  margin: 0 0 14px;
  color: var(--mist);
}

.page-contact .base-copy__body p:last-child {
  margin-bottom: 0;
}

.page-contact .base-address {
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  color: var(--star) !important;
  font-size: 14px;
}

/* ── 备案与站点信息 ───────────────────── */
.page-contact .legal-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid rgba(255, 194, 75, 0.55);
}

.page-contact .legal-facts {
  display: grid;
  gap: 0;
  margin: 14px 0 0;
}

.page-contact .legal-facts > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .legal-facts dt {
  min-width: 88px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .legal-facts dd {
  margin: 0;
  font-size: 14px;
  color: var(--star);
  word-break: break-all;
}

.page-contact .legal-links__title {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .legal-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .legal-links a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--star);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-contact .legal-links a:hover,
.page-contact .legal-links a:focus-visible {
  border-color: rgba(23, 179, 196, 0.65);
  color: var(--lake);
  transform: translateY(-1px);
}

/* ── 断点 ─────────────────────────────── */
@media (min-width: 760px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .partner-card:nth-child(2) {
    transform: translateY(22px);
  }

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

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .ch-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(20px, 2.6vw, 30px);
  }

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

  .page-contact .base-copy {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
    align-items: start;
  }

  .page-contact .legal-bar {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}
</style>