.page-contact {
  --contact-gap: clamp(16px, 2.6vw, 26px);
  --contact-pad: clamp(16px, 3.2vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(26px, 5vw, 54px) 0 0;
}
.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}
.page-contact .contact-hero h1 {
  margin: 12px 0 16px;
  max-width: 17ch;
  font-size: clamp(1.95rem, 6.4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.022em;
}
.page-contact .contact-hero .lead {
  max-width: 52ch;
  color: var(--muted);
}
.page-contact .contact-hero-media {
  margin-top: clamp(24px, 4.5vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.page-contact .contact-hero-media img {
  filter: saturate(.85) contrast(1.05);
}

/* ---------- 直接连线 ---------- */
.page-contact .direct-section {
  padding-top: clamp(38px, 6vw, 76px);
}
.page-contact .section-call {
  font-size: clamp(1.3rem, 3.6vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -.015em;
  margin: 0 0 clamp(18px, 3vw, 30px);
  padding-left: 14px;
  border-left: 4px solid var(--live);
}
.page-contact .direct-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}
.page-contact .direct-stack {
  border-top: 1px solid var(--line);
}
.page-contact .contact-row {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 3vw, 26px) 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-label {
  margin: 0;
  font-size: .82rem;
  letter-spacing: .16em;
  color: var(--live);
  font-weight: 700;
}
.page-contact .contact-value {
  margin: 0;
  font-size: clamp(1.28rem, 5.4vw, 2.35rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--text);
  overflow-wrap: anywhere;
  word-break: break-word;
}
.page-contact .contact-note {
  margin: 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: .96rem;
  line-height: 1.75;
}
.page-contact .direct-side .panel {
  background: var(--ink-800);
  border-color: var(--line);
  border-radius: var(--r-l);
  padding: var(--contact-pad);
}
.page-contact .contact-meta {
  margin: 14px 0 0;
  display: grid;
  gap: 0;
}
.page-contact .contact-meta-row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}
.page-contact .contact-meta-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-contact .contact-meta dt {
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--muted);
}
.page-contact .contact-meta dd {
  margin: 0;
  font-weight: 600;
  line-height: 1.65;
  color: var(--text);
}

/* ---------- 数据修正 ---------- */
.page-contact .fix-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-contact .fix-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 42px);
  align-items: center;
}
.page-contact .fix-intro h2 {
  margin: 10px 0 14px;
  font-size: clamp(1.55rem, 4.6vw, 2.5rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.02em;
  max-width: 20ch;
}
.page-contact .fix-intro .lead {
  max-width: 50ch;
  color: var(--muted);
}
.page-contact .fix-figure {
  margin: 0;
}
.page-contact .fix-figure .media-frame {
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
}
.page-contact .fix-figure .media-caption {
  margin-top: 10px;
  font-size: .88rem;
  color: var(--muted);
}
.page-contact .fix-flow {
  list-style: none;
  margin: clamp(28px, 5vw, 52px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
}
.page-contact .fix-step {
  background: var(--ink-900);
  padding: 20px 18px 24px;
  display: grid;
  gap: 8px;
  align-content: start;
  transition: background .3s var(--ease), transform .3s var(--ease);
}
.page-contact .fix-step:hover {
  background: var(--ink-800);
}
.page-contact .fix-num {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--live);
  letter-spacing: -.03em;
}
.page-contact .fix-step h3 {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: -.01em;
}
.page-contact .fix-step p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 商务合作 ---------- */
.page-contact .coop-lead {
  max-width: 54ch;
  color: var(--muted);
}
.page-contact .coop-section h2 {
  margin: 10px 0 14px;
  font-size: clamp(1.5rem, 4.4vw, 2.35rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  max-width: 22ch;
}
.page-contact .coop-grid {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}
.page-contact .coop-card {
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  padding: var(--contact-pad);
  display: grid;
  gap: 10px;
  align-content: start;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.page-contact .coop-card:hover {
  border-color: var(--live);
  transform: translateY(-3px);
}
.page-contact .coop-card .tag {
  justify-self: start;
}
.page-contact .coop-card h3 {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -.01em;
}
.page-contact .coop-card p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 备案 ---------- */
.page-contact .filing-section {
  padding-top: clamp(10px, 2vw, 18px);
}
.page-contact .filing-card {
  padding: clamp(22px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: var(--r-l);
}
.page-contact .filing-title {
  margin: 8px 0 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .04em;
}
.page-contact .filing-icp {
  margin: 10px 0 4px;
  font-size: clamp(1.28rem, 4.2vw, 2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text);
}
.page-contact .filing-sub {
  margin: 0;
  font-size: .92rem;
  color: var(--muted);
}
.page-contact .filing-details {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.page-contact .filing-details summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--live);
  font-size: .96rem;
}
.page-contact .filing-details summary::-webkit-details-marker {
  display: none;
}
.page-contact .filing-details summary::after {
  content: " +";
  font-weight: 800;
}
.page-contact .filing-details[open] summary::after {
  content: " −";
}
.page-contact .filing-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .filing-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  justify-content: space-between;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--line);
}
.page-contact .filing-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-contact .filing-list span {
  font-size: .88rem;
  color: var(--muted);
}
.page-contact .filing-list strong {
  font-weight: 700;
  color: var(--text);
  overflow-wrap: anywhere;
}

/* ---------- 延伸入口 ---------- */
.page-contact .gonext {
  padding-bottom: clamp(44px, 7vw, 84px);
}
.page-contact .gonext-title {
  margin: 0 0 16px;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-contact .gonext-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-contact .gonext-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  transition: color .25s var(--ease), padding-left .25s var(--ease);
}
.page-contact .gonext-list a:hover {
  color: var(--live);
  padding-left: 12px;
}
.page-contact .gonext-list a span {
  font-size: .88rem;
  font-weight: 500;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .fix-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .direct-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .direct-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
  .page-contact .contact-row {
    grid-template-columns: minmax(0, 1fr);
    padding: 26px 0;
  }
}

@media (min-width: 960px) {
  .page-contact .fix-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, .88fr);
  }
  .page-contact .fix-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fix-step,
  .page-contact .coop-card,
  .page-contact .gonext-list a {
    transition: none;
  }
  .page-contact .coop-card:hover {
    transform: none;
  }
}