.page-contact {
  --c-hair: rgba(147, 164, 195, 0.2);
  --c-hair-soft: rgba(147, 164, 195, 0.1);
  --c-panel: linear-gradient(157deg, rgba(24, 39, 71, 0.92) 0%, rgba(12, 21, 48, 0.78) 58%, rgba(5, 10, 24, 0.94) 100%);
  display: block;
  padding-bottom: clamp(56px, 9vw, 112px);
}

.page-contact h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 3.4vw, 2.3rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--cloud);
}

.page-contact h3 {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.5;
  color: var(--cloud);
}

.page-contact .section-num {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--dawn);
}

/* ---------- 头部 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(24px, 5vw, 48px);
}

.page-contact .contact-hero__inner {
  max-width: 860px;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--cloud);
}

.page-contact .contact-hero__lede {
  max-width: 40em;
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.8;
  color: var(--cloud-soft);
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 14px;
  border: 1px solid var(--c-hair);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-contact .contact-hero__facts .u-mono {
  font-size: 14px;
  color: var(--dawn);
}

.page-contact .contact-hero__figure {
  margin: clamp(30px, 5vw, 54px) 0 0;
}

.page-contact .contact-hero__figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 520;
  object-fit: cover;
}

/* ---------- 01 联系方式总览 ---------- */

.page-contact .contact-desk::before,
.page-contact .contact-fix::before,
.page-contact .contact-flow::before,
.page-contact .contact-collab::before {
  content: "";
  display: block;
  height: 1px;
  margin: 0 auto clamp(34px, 5.5vw, 62px);
  background: linear-gradient(90deg, rgba(147, 164, 195, 0) 0%, rgba(147, 164, 195, 0.22) 44%, rgba(147, 164, 195, 0) 100%);
  transform: rotate(-1.1deg);
}

.page-contact .contact-card {
  position: relative;
  padding: 26px 24px 28px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--c-panel);
  box-shadow: var(--glow), var(--shadow-lift);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: 18px;
  bottom: 18px;
  right: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(244, 169, 58, 0.9), rgba(244, 169, 58, 0));
  pointer-events: none;
}

.page-contact .contact-card__kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--dawn);
}

.page-contact .contact-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.35;
  color: var(--cloud);
}

.page-contact .contact-card__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-card__row {
  padding: 16px 0;
  border-top: 1px solid var(--c-hair-soft);
}

.page-contact .contact-card__row:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-contact .contact-card__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .contact-card__value {
  display: block;
  margin-top: 7px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--cloud);
  word-break: break-word;
}

.page-contact .contact-card__value--addr {
  font-size: 15px;
  color: var(--cloud-soft);
}

.page-contact .contact-card__hint {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(147, 164, 195, 0.82);
}

.page-contact .contact-desk__body {
  margin-top: 34px;
}

.page-contact .contact-desk__p {
  max-width: 42em;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--cloud-soft);
}

.page-contact .contact-desk__aside {
  margin-top: 28px;
  padding: 20px 22px;
  border-left: 2px solid rgba(244, 169, 58, 0.55);
  background: rgba(12, 21, 48, 0.55);
}

.page-contact .contact-desk__aside p {
  margin: 0;
}

.page-contact .contact-desk__hours {
  margin-top: 10px;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--cloud);
}

.page-contact .contact-desk__aside-text {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 02 数据纠错与反馈 ---------- */

.page-contact .contact-fix__grid {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

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

.page-contact .essentials li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-hair-soft);
}

.page-contact .essentials__num {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--dawn);
}

.page-contact .essentials__text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--cloud-soft);
}

.page-contact .fix-item {
  margin-bottom: 10px;
  padding: 0 20px;
  border: 1px solid var(--c-hair);
  border-radius: var(--radius);
  background: rgba(12, 21, 48, 0.52);
  transition: border-color 0.25s var(--ease);
}

.page-contact .fix-item:hover {
  border-color: rgba(147, 164, 195, 0.34);
}

.page-contact .fix-item > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 500;
  color: var(--cloud);
}

.page-contact .fix-item > summary::-webkit-details-marker {
  display: none;
}

.page-contact .fix-item > summary::after {
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--dawn);
}

.page-contact .fix-item[open] > summary::after {
  content: "－";
}

.page-contact .fix-item__body {
  padding: 16px 0 20px;
  border-top: 1px solid var(--c-hair-soft);
}

.page-contact .fix-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 03 响应流程 ---------- */

.page-contact .contact-flow__grid {
  display: grid;
  gap: 32px;
  margin-top: 30px;
}

.page-contact .contact-flow__figure {
  margin: 0;
}

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

.page-contact .flow-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  padding-bottom: 26px;
}

.page-contact .flow-step:last-child {
  padding-bottom: 0;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 42px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(180deg, rgba(147, 164, 195, 0.28), rgba(147, 164, 195, 0));
}

.page-contact .flow-step:last-child::before {
  display: none;
}

.page-contact .flow-step__num {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(5, 10, 24, 0.9);
  font-size: 13px;
  color: var(--dawn);
}

.page-contact .flow-step__body h3 {
  margin-top: 8px;
}

.page-contact .flow-step__body p {
  margin: 8px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--cloud-soft);
}

.page-contact .flow-step__note {
  display: inline-block;
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid rgba(244, 169, 58, 0.3);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: rgba(147, 164, 195, 0.78);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .flow-step:hover .flow-step__note,
.page-contact .flow-step:focus-within .flow-step__note {
  border-left-color: var(--dawn);
  color: var(--cloud);
}

/* ---------- 04 合作与内容建议 ---------- */

.page-contact .collab-grid {
  display: grid;
  gap: 26px;
  margin-top: 32px;
}

.page-contact .collab-card {
  position: relative;
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
}

.page-contact .collab-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--dawn);
  transition: width 0.3s var(--ease);
}

.page-contact .collab-card:hover::before {
  width: 72px;
}

.page-contact .collab-card p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .collab-note {
  max-width: 44em;
  margin: 34px 0 0;
  padding-left: 16px;
  border-left: 2px solid rgba(91, 141, 245, 0.5);
  font-size: 15px;
  line-height: 1.8;
  color: var(--cloud-soft);
}

/* ---------- 05 常见问题速链 ---------- */

.page-contact .link-list {
  display: grid;
  gap: 0;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .link-list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 4px 18px;
  padding: 16px 2px;
  border-bottom: 1px solid var(--c-hair-soft);
  text-decoration: none;
  transition: border-color 0.22s var(--ease);
}

.page-contact .link-list a::after {
  content: "→";
  grid-column: 2;
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--data);
  transition: transform 0.22s var(--ease), color 0.22s var(--ease);
}

.page-contact .link-list__label {
  grid-column: 1;
  font-size: 16px;
  line-height: 1.5;
  color: var(--cloud);
  transition: color 0.22s var(--ease);
}

.page-contact .link-list__desc {
  grid-column: 1;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .link-list a:hover {
  border-bottom-color: rgba(244, 169, 58, 0.4);
}

.page-contact .link-list a:hover .link-list__label {
  color: var(--dawn);
}

.page-contact .link-list a:hover::after {
  transform: translateX(4px);
  color: var(--dawn);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .collab-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }

  .page-contact .link-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 34px;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-fix__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .contact-desk__body {
    margin-top: 0;
  }

  .page-contact .contact-card {
    position: sticky;
    top: calc(var(--frame-top) + 24px);
  }

  .page-contact .contact-flow__figure {
    position: sticky;
    top: calc(var(--frame-top) + 32px);
  }
}
<<<END>>>