.page-contact {
  --pc-grid: rgba(242, 240, 235, 0.055);
  --pc-panel: rgba(14, 59, 46, 0.52);
  --pc-panel-soft: rgba(14, 59, 46, 0.22);
  background-color: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact .wrap {
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.page-contact a {
  color: var(--mint);
  text-decoration-color: rgba(31, 169, 122, 0.45);
  text-underline-offset: 3px;
}

.page-contact a:hover,
.page-contact a:focus-visible {
  color: var(--paper);
  text-decoration-color: var(--flame);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(36px, 5vw, 72px);
  background-image:
    linear-gradient(var(--pc-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-grid) 1px, transparent 1px);
  background-size: 100% 68px, 68px 100%;
  background-position: 0 0, 0 0;
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: clamp(32px, 5vw, 52px);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .contact-claim::before {
  content: "";
  display: block;
  width: 74px;
  height: 6px;
  margin-bottom: clamp(18px, 3vw, 26px);
  background-color: var(--flame);
  transform: skewX(-24deg);
}

.page-contact .contact-claim h1 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2.35rem, 10.5vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .claim-lede {
  max-width: 32em;
  margin: clamp(18px, 3vw, 28px) 0 0;
  font-size: clamp(0.96rem, 1.8vw, 1.06rem);
  line-height: 1.85;
  color: var(--graphite);
}

/* ---------- 三条通道 ---------- */

.page-contact .path-deck {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-2);
}

.page-contact .path-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 0 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-contact .path-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--flame);
  padding-top: 7px;
}

.page-contact .path-title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .path-value {
  margin: 9px 0 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .path-for {
  margin: 9px 0 0;
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--on-pitch);
}

.page-contact .path-more {
  margin: 8px 0 0;
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 首屏视觉条 ---------- */

.page-contact .contact-visual {
  margin: clamp(34px, 5vw, 60px) 0 0;
}

.page-contact .contact-visual .media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.page-contact .contact-visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .contact-visual .media-caption {
  margin-top: 14px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 咨询分类 ---------- */

.page-contact .contact-topics {
  padding: clamp(46px, 7vw, 92px) 0 clamp(34px, 5vw, 60px);
  border-top: 1px solid var(--line);
  margin-top: clamp(46px, 6vw, 84px);
  background-image: linear-gradient(180deg, var(--pc-panel-soft), transparent 62%);
}

.page-contact .topics-lede {
  margin: 14px 0 0;
  max-width: 30em;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .topic-track {
  list-style: none;
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .topic-item {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.page-contact .topic-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--flame);
}

.page-contact .topic-title {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.16rem;
  color: var(--paper);
}

.page-contact .topic-desc {
  margin: 12px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--on-pitch);
}

.page-contact .topic-route {
  display: inline-block;
  margin: 16px 0 0;
  padding: 5px 11px;
  border: 1px solid rgba(31, 169, 122, 0.42);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  line-height: 1.5;
  color: var(--mint);
  overflow-wrap: anywhere;
}

/* ---------- 合作共建 ---------- */

.page-contact .contact-partner {
  padding: clamp(46px, 7vw, 92px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-image: linear-gradient(160deg, var(--pc-panel) 0%, rgba(11, 13, 12, 0.35) 72%);
}

.page-contact .partner-grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
}

.page-contact .partner-text {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 0.95rem;
  line-height: 1.88;
  color: var(--on-pitch);
}

.page-contact .partner-stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .partner-stat .is-mono {
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-contact .partner-list .disclosure {
  border-top: 1px solid var(--line);
}

.page-contact .partner-list .disclosure:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .partner-list .disclosure > summary {
  padding: 18px 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.04rem;
  letter-spacing: 0.01em;
  color: var(--paper);
  cursor: pointer;
  transition: color 160ms var(--ease);
}

.page-contact .partner-list .disclosure > summary:hover {
  color: var(--flame);
}

.page-contact .partner-list .disclosure-body {
  padding-bottom: 20px;
}

.page-contact .partner-list .disclosure-body p {
  margin: 0 0 12px;
  max-width: 40em;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--on-pitch);
}

.page-contact .partner-list .disclosure-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 地址与备案 ---------- */

.page-contact .contact-facts {
  padding: clamp(44px, 7vw, 88px) 0 clamp(36px, 5vw, 64px);
}

.page-contact .facts-figure {
  margin: 0 0 clamp(28px, 4vw, 44px);
  border: 1px solid var(--line);
}

.page-contact .facts-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .facts-grid {
  display: grid;
  gap: 0;
}

.page-contact .facts-title {
  padding-bottom: 18px;
}

.page-contact .fact-block {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.page-contact .fact-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--graphite);
}

.page-contact .fact-value {
  margin: 12px 0 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .fact-note {
  margin: 12px 0 0;
  max-width: 38em;
  font-size: 0.88rem;
  line-height: 1.82;
  color: var(--on-pitch);
}

/* ---------- 延伸入口 ---------- */

.page-contact .contact-more {
  padding: 0 0 clamp(48px, 7vw, 88px);
}

.page-contact .more-line {
  margin: 0 0 14px;
  max-width: 46em;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--graphite);
}

.page-contact .more-line:last-child {
  margin-bottom: 0;
}

/* ---------- 窄屏护栏 ---------- */

@media (max-width: 420px) {
  .page-contact .path-card {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 0 10px;
  }

  .page-contact .partner-stat {
    flex-direction: column;
    gap: 6px;
  }

  .page-contact .topic-route {
    font-size: 0.68rem;
  }
}

/* ---------- 平板 ---------- */

@media (min-width: 720px) {
  .page-contact .topic-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 3vw, 44px);
  }

  .page-contact .facts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 3vw, 44px);
  }

  .page-contact .facts-title {
    grid-column: 1 / -1;
  }

  .page-contact .fact-block {
    padding-bottom: 26px;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 960px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: clamp(40px, 4vw, 72px);
  }

  .page-contact .contact-claim {
    padding-top: 10px;
  }

  .page-contact .contact-partner .partner-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(36px, 4vw, 72px);
  }

  .page-contact .contact-facts .wrap {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
    column-gap: clamp(32px, 4vw, 64px);
  }

  .page-contact .facts-figure {
    margin-bottom: 0;
    align-self: stretch;
  }

  .page-contact .facts-figure img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 320px;
  }

  .page-contact .topic-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: clamp(22px, 2.4vw, 40px);
  }

  .page-contact .topic-item {
    padding: 28px 0 32px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-claim h1 {
    font-size: clamp(4.4rem, 7vw, 5.6rem);
  }

  .page-contact .topic-item {
    padding-right: 20px;
    border-right: 1px solid var(--line);
  }

  .page-contact .topic-item:last-child {
    border-right: 0;
    padding-right: 0;
  }
}

/* ---------- 悬停展开（仅悬停设备） ---------- */

@media (min-width: 960px) and (hover: hover) and (pointer: fine) {
  .page-contact .path-card:hover {
    background-color: rgba(242, 240, 235, 0.03);
    border-color: var(--line-2);
  }

  .page-contact .path-more {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 280ms var(--ease), opacity 220ms var(--ease), margin-top 280ms var(--ease);
  }

  .page-contact .path-card:hover .path-more,
  .page-contact .path-card:focus-within .path-more {
    max-height: 8em;
    margin-top: 8px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .path-card,
  .page-contact .path-more,
  .page-contact .partner-list .disclosure > summary {
    transition: none;
  }
}
<<<END>>>