.page-contact {
  --contact-card-bg: linear-gradient(180deg, rgba(23, 47, 85, .92), rgba(10, 24, 48, .94));
  background: var(--ink-900);
  color: var(--snow);
  overflow-x: hidden;
}

.page-contact .container {
  width: 100%;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-top: 28px;
  background:
    radial-gradient(820px 380px at 92% -12%, rgba(47, 127, 214, .22), transparent 62%),
    radial-gradient(620px 320px at -8% 108%, rgba(122, 31, 61, .28), transparent 66%),
    var(--ink-900);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg,
    var(--blue-500) 0 20%,
    var(--snow) 20% 40%,
    var(--red-500) 40% 60%,
    var(--green-500) 60% 80%,
    var(--yellow-400) 80% 100%);
  opacity: .55;
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
  margin-top: 22px;
}

.page-contact .hero-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-contact .hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 8vw, 64px);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--snow);
  text-wrap: balance;
}

.page-contact .hero-lead {
  margin: 0;
  max-width: 60ch;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .hero-jumps {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .jump {
  display: inline-block;
  padding: 8px 14px;
  font-size: var(--fs-14);
  color: var(--snow);
  text-decoration: none;
  border: 1px solid var(--line-mid);
  background: rgba(20, 40, 74, .68);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .jump:hover {
  border-color: var(--line-gold);
  background: rgba(242, 178, 51, .14);
  color: var(--gold);
}

.page-contact .jump:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-contact .hero-media {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
}

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

/* ---------- 问题类型 ---------- */

.page-contact .contact-channels {
  background: var(--ink-800);
  border-top: 1px solid var(--line-soft);
}

.page-contact .section-head-body {
  min-width: 0;
}

.page-contact .channels-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  margin-top: 32px;
  align-items: start;
}

.page-contact .channels-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--ink-750);
}

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

.page-contact .channel-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  min-width: 0;
}

.page-contact .channel-card {
  position: relative;
  padding: 20px 18px 16px;
  background: var(--contact-card-bg);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red-500), var(--yellow-400));
  transition: width 160ms var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-gold);
}

.page-contact .channel-card:hover::before {
  width: 100%;
}

.page-contact .channel-card h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.32;
  color: var(--snow);
}

.page-contact .channel-card p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.76;
  color: var(--mist);
}

.page-contact .channel-card a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .channel-card a:hover {
  color: var(--yellow-400);
}

.page-contact .channel-tip {
  display: block;
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-soft);
  font-size: var(--fs-12);
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 直接联系 ---------- */

.page-contact .contact-direct {
  background:
    radial-gradient(700px 340px at 8% 0%, rgba(14, 59, 58, .55), transparent 66%),
    var(--ink-900);
  border-top: 1px solid var(--line-soft);
}

.page-contact .direct-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  margin-top: 32px;
  align-items: start;
}

.page-contact .major-panel {
  position: relative;
  margin: 0;
  padding: 26px 20px;
  min-width: 0;
  background:
    linear-gradient(140deg, rgba(122, 31, 61, .62), rgba(14, 59, 58, .42) 52%, rgba(20, 40, 74, .95));
  border: 1px solid var(--line-gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-contact .major-item {
  min-width: 0;
}

.page-contact .major-label {
  display: inline-block;
  font-size: var(--fs-12);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--yellow-400);
}

.page-contact .major-value {
  margin: 8px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(18px, 4.8vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--snow);
  overflow-wrap: anywhere;
}

.page-contact .major-note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .major-divider {
  height: 1px;
  margin: 22px 0;
  background: linear-gradient(90deg, var(--gold), rgba(232, 199, 123, .05));
}

.page-contact .direct-side {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  min-width: 0;
}

.page-contact .side-block {
  padding: 4px 0 4px 16px;
  border-left: 3px solid var(--blue-500);
}

.page-contact .side-block:nth-child(2) {
  border-left-color: var(--wine-700);
}

.page-contact .side-block:nth-child(3) {
  border-left-color: var(--green-500);
}

.page-contact .side-block h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--snow);
}

.page-contact .side-block p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.76;
  color: var(--mist);
}

.page-contact .side-address {
  font-size: var(--fs-16);
  color: var(--snow);
  overflow-wrap: anywhere;
}

.page-contact .side-fine {
  margin-top: 8px;
  font-size: var(--fs-12);
  letter-spacing: .03em;
  color: var(--mist);
}

.page-contact .text-link {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .text-link:hover {
  color: var(--yellow-400);
}

.page-contact .text-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- 内容纠错 ---------- */

.page-contact .contact-fix {
  background:
    linear-gradient(180deg, var(--teal-900), rgba(14, 59, 58, .82)),
    var(--teal-900);
  border-top: 1px solid var(--line-soft);
}

.page-contact .fix-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  margin-top: 32px;
  align-items: start;
}

.page-contact .fix-template {
  margin: 0;
  padding: 22px 18px 14px;
  background: rgba(10, 24, 48, .78);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-contact .fix-template h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.32;
  color: var(--snow);
}

.page-contact .fix-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .fix-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--snow);
}

.page-contact .fix-list li:last-child {
  border-bottom: 0;
}

.page-contact .fix-key {
  flex: 0 0 auto;
  min-width: 56px;
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--yellow-400);
}

.page-contact .fix-side {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-contact .fix-side p {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid rgba(243, 246, 250, .28);
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--snow);
}

/* ---------- 合作与媒体 ---------- */

.page-contact .contact-partner {
  background: var(--ink-800);
  border-top: 1px solid var(--line-soft);
}

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.page-contact .partner-card {
  position: relative;
  padding: 20px 18px 18px;
  background: rgba(10, 24, 48, .86);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .partner-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-gold);
}

.page-contact .partner-card h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.32;
  color: var(--snow);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.76;
  color: var(--mist);
}

.page-contact .partner-foot {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--yellow-400);
  background: rgba(242, 178, 51, .08);
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--snow);
}

.page-contact .partner-foot .mono {
  color: var(--yellow-400);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .channel-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .major-panel {
    padding: 30px 26px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-top: 34px;
  }

  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 32px;
    margin-top: 28px;
    align-items: stretch;
  }

  .page-contact .hero-media {
    align-self: stretch;
    height: 100%;
  }

  .page-contact .hero-media img {
    height: 100%;
    min-height: 300px;
  }

  .page-contact .channels-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 28px;
  }

  .page-contact .channels-figure {
    position: sticky;
    top: 96px;
  }

  .page-contact .direct-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 28px;
  }

  .page-contact .fix-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 28px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .jump,
  .page-contact .channel-card,
  .page-contact .channel-card::before,
  .page-contact .partner-card {
    transition: none;
  }

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