.page-contact {
  --pc-hair-soft: rgba(138, 153, 184, 0.16);
  --pc-card-bg: #1B2B57;
  --pc-dim: rgba(233, 239, 247, 0.76);
  padding-bottom: clamp(40px, 7vw, 88px);
  color: var(--white);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact section[id] {
  scroll-margin-top: 96px;
}

/* 面包屑 */
.page-contact .contact-crumb {
  padding-top: clamp(18px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .contact-crumb a {
  color: var(--line);
  text-decoration: none;
}

.page-contact .contact-crumb a:hover {
  color: var(--gold);
}

/* 首屏 */
.page-contact .contact-hero {
  padding: clamp(24px, 4vw, 52px) 0 clamp(28px, 5vw, 64px);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  letter-spacing: -0.02em;
  line-height: 1.08;
}

.page-contact .contact-hero__lede {
  margin-top: 20px;
  color: var(--pc-dim);
  max-width: 32em;
}

.page-contact .contact-hero__side {
  border-top: 1px solid var(--hair);
  padding-top: 20px;
}

.page-contact .contact-hero__side-label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .contact-hero__side-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .contact-hero__side-list li {
  display: grid;
  gap: 4px;
}

.page-contact .contact-hero__side-list span {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--line);
}

.page-contact .contact-hero__side-list b {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 15px;
  line-height: 1.5;
  word-break: break-word;
}

.page-contact .contact-hero__side-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--line);
}

.page-contact .contact-hero__side-note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 194, 76, 0.4);
}

/* 诉求四宫格 */
.page-contact .contact-demand__title {
  margin: 12px 0 0;
  letter-spacing: -0.015em;
}

.page-contact .contact-demand__intro {
  margin-top: 16px;
  color: var(--pc-dim);
}

.page-contact .demand-field {
  position: relative;
  margin-top: clamp(24px, 4vw, 44px);
}

.page-contact .demand-field__map {
  position: absolute;
  top: -6%;
  right: 0;
  width: min(70%, 440px);
  height: auto;
  opacity: 0.14;
  pointer-events: none;
  z-index: 0;
  object-fit: contain;
}

.page-contact .demand-grid {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .demand-card {
  position: relative;
  background: var(--pc-card-bg);
  border: 1px solid var(--hair);
  border-radius: 4px 14px 4px 14px;
  overflow: hidden;
  transition: border-color 240ms var(--ease), transform 240ms var(--ease);
}

.page-contact .demand-card::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(240, 194, 76, 0));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 280ms var(--ease);
}

.page-contact .demand-card:hover,
.page-contact .demand-card:focus-within {
  border-color: rgba(240, 194, 76, 0.55);
  transform: translateY(-3px);
}

.page-contact .demand-card:hover::after,
.page-contact .demand-card:focus-within::after {
  transform: scaleX(1);
}

.page-contact .demand-card__link {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: clamp(18px, 3vw, 28px);
  color: inherit;
  text-decoration: none;
}

.page-contact .demand-card__num {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .demand-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.page-contact .demand-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--pc-dim);
}

.page-contact .demand-card__list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .demand-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--line);
}

.page-contact .demand-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 1px;
  background: var(--gold);
  opacity: 0.8;
}

.page-contact .demand-card__go {
  margin-top: auto;
  padding-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

/* 收录与互认 */
.page-contact .track-grid {
  display: grid;
  gap: 22px;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .track-block {
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .track-block--wide {
  background: linear-gradient(160deg, rgba(27, 43, 87, 0.92), rgba(16, 26, 61, 0.92));
  border: 1px solid var(--hair);
  border-radius: 14px 4px 14px 4px;
}

.page-contact .track-block--narrow {
  border-left: 2px solid var(--gold);
  background: rgba(16, 26, 61, 0.6);
  border-radius: 0 12px 12px 0;
  padding-left: clamp(16px, 3vw, 26px);
}

.page-contact .track-block__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.28;
  letter-spacing: -0.015em;
}

.page-contact .track-block__title--sub {
  font-size: clamp(18px, 2.2vw, 22px);
}

.page-contact .track-block .prose {
  color: var(--pc-dim);
  max-width: 34em;
}

.page-contact .track-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .track-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pc-hair-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--pc-dim);
}

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

.page-contact .track-list .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
  padding-top: 2px;
}

.page-contact .track-list b {
  display: block;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 3px;
}

.page-contact .track-conditions {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .track-conditions li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--pc-dim);
}

.page-contact .track-conditions li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid var(--moss);
}

.page-contact .track-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--hair);
  font-size: 13px;
  line-height: 1.78;
  color: var(--line);
}

.page-contact .track-note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 194, 76, 0.4);
}

.page-contact .track-block--wide .btn {
  margin-top: 22px;
}

/* 团队与定制 */
.page-contact .team-head .title-lg,
.page-contact .team-title {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.26;
  letter-spacing: -0.015em;
  max-width: 20em;
}

.page-contact .team-head .prose {
  margin-top: 16px;
  color: var(--pc-dim);
}

.page-contact .team-axis {
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-contact .team-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  border-top: 1px solid var(--hair);
}

.page-contact .team-step__num {
  font-size: 22px;
  line-height: 1.2;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-contact .team-step__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  letter-spacing: -0.005em;
}

.page-contact .team-step__body p {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-dim);
}

.page-contact .team-close {
  margin-top: 26px;
  padding: 20px 22px;
  background: rgba(150, 163, 160, 0.1);
  border-left: 1px solid var(--stone);
  border-radius: 0 10px 10px 0;
}

.page-contact .team-close p {
  margin: 0;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-dim);
}

.page-contact .team-close a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 194, 76, 0.4);
}

/* 反馈写法 */
.page-contact .feedback-grid {
  display: grid;
  gap: 22px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .feedback-title {
  margin: 0 0 14px;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.015em;
}

.page-contact .feedback-copy .prose {
  color: var(--pc-dim);
  margin-top: 14px;
}

.page-contact .feedback-copy a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 194, 76, 0.4);
}

.page-contact .feedback-sheet {
  border: 1px solid var(--hair);
  border-radius: 10px;
  background: rgba(10, 18, 48, 0.7);
  padding: clamp(16px, 3vw, 26px);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 2;
  color: var(--white);
  overflow-x: auto;
}

.page-contact .feedback-line {
  padding: 3px 0;
  white-space: nowrap;
}

.page-contact .feedback-line b {
  color: var(--gold);
  font-weight: 500;
}

.page-contact .feedback-note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--line);
}

/* 渠道 */
.page-contact .channels-title {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.24;
  letter-spacing: -0.015em;
}

.page-contact .channels {
  display: grid;
  gap: 20px;
  margin-top: clamp(22px, 3.5vw, 36px);
}

.page-contact .channels__figure {
  margin: 0;
  border: 1px solid var(--hair);
  border-radius: 14px 4px 14px 4px;
  overflow: hidden;
  background: var(--ink-2);
}

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

.page-contact .channels__list {
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: 4px 12px 4px 12px;
  overflow: hidden;
}

.page-contact .channel {
  background: var(--ink-2);
  padding: 18px 20px;
}

.page-contact .channel__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--line);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.7vw, 20px);
  line-height: 1.42;
  letter-spacing: -0.005em;
  word-break: break-word;
}

.page-contact .channel__note {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.66;
  color: var(--line);
}

.page-contact .channels__foot {
  margin: 22px 0 0;
  max-width: 50em;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--pc-dim);
}

.page-contact .channels__foot a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 194, 76, 0.4);
}

.page-contact .contact-endmark {
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--hair);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--line);
}

/* 断点 */
@media (min-width: 720px) {
  .page-contact .demand-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-hero__side {
    border-top: 0;
    border-left: 1px solid var(--hair);
    padding-top: 6px;
    padding-left: clamp(20px, 3vw, 32px);
    margin-top: 8px;
  }

  .page-contact .channels {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 36px);
    align-items: stretch;
  }

  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(24px, 3.5vw, 48px);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .demand-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .demand-card:nth-child(1) {
    grid-column: span 7;
  }

  .page-contact .demand-card:nth-child(2) {
    grid-column: span 5;
    margin-top: 42px;
  }

  .page-contact .demand-card:nth-child(3) {
    grid-column: span 5;
  }

  .page-contact .demand-card:nth-child(4) {
    grid-column: span 7;
    margin-top: 42px;
  }

  .page-contact .demand-field__map {
    width: min(46%, 520px);
    opacity: 0.18;
  }

  .page-contact .track-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(24px, 3vw, 40px);
    align-items: start;
  }

  .page-contact .track-block--narrow {
    margin-top: 56px;
  }

  .page-contact .team-step {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 24px;
    padding: 28px 0;
  }

  .page-contact .team-step__num {
    font-size: 28px;
    text-align: right;
    padding-right: 18px;
    border-right: 1px solid var(--hair);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .demand-card,
  .page-contact .demand-card::after {
    transition: none;
  }

  .page-contact .demand-card:hover,
  .page-contact .demand-card:focus-within {
    transform: none;
  }
}
<<<END>>>