.page-contact {
  background: var(--deep-sea);
  color: var(--ice);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .trail {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 40px);
  align-items: start;
  padding-block: clamp(16px, 3vw, 28px) clamp(30px, 5vw, 58px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -8px -12px 0 -12px;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(30, 58, 82, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 58, 82, 0.55) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(120% 80% at 18% 0%, #000 0%, transparent 74%);
  mask-image: radial-gradient(120% 80% at 18% 0%, #000 0%, transparent 74%);
}

.page-contact .contact-hero > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__main h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 12px 0 16px;
  color: var(--ice);
}

.page-contact .contact-hero__main .lead {
  max-width: 60ch;
  color: var(--ice);
  opacity: 0.84;
  font-size: clamp(1rem, 2.2vw, 1.12rem);
  line-height: 1.75;
}

.page-contact .contact-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .contact-hero__pills li {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--electric);
  border: 1px solid var(--line-accent);
  background: rgba(53, 224, 242, 0.06);
  border-radius: 2px;
  padding: 6px 11px;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero__figure {
  margin: clamp(26px, 4vw, 38px) 0 0;
}

/* ---------- 右侧联系面板 ---------- */
.page-contact .contact-panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 22px 20px 24px;
  background:
    linear-gradient(158deg, rgba(10, 39, 66, 0.96), rgba(4, 24, 38, 0.96));
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
}

.page-contact .contact-panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(232, 180, 92, 0) 72%);
}

.page-contact .contact-panel h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
  color: var(--ice);
}

.page-contact .contact-panel__list {
  display: grid;
  gap: 14px;
  margin: 20px 0 18px;
}

.page-contact .contact-panel__row {
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .contact-panel__row dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
  margin-bottom: 4px;
}

.page-contact .contact-panel__row dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 15px;
  line-height: 1.5;
  color: var(--electric);
  word-break: break-word;
}

.page-contact .contact-panel__note {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

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

/* ---------- 通用章节 ---------- */
.page-contact .sec {
  padding-block: clamp(34px, 5vw, 62px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .sec__head {
  display: grid;
  gap: 10px;
  max-width: 66ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .sec__head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 4vw, 2.35rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ice);
}

.page-contact .sec__head p {
  margin: 0;
  color: var(--steel);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .sec__more {
  margin: 20px 0 0;
  font-size: 15px;
}

/* ---------- 合作方向 ---------- */
.page-contact .dir-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .dir-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--midnight);
  padding: 20px 18px 22px;
  transition:
    transform var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease);
}

.page-contact .dir-card::after {
  content: "";
  position: absolute;
  top: -46px;
  right: -46px;
  width: 108px;
  height: 108px;
  background: linear-gradient(135deg, rgba(53, 224, 242, 0.16), transparent 66%);
  pointer-events: none;
}

.page-contact .dir-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-accent);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.36);
}

.page-contact .dir-card__num {
  margin: 0;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-contact .dir-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  margin: 8px 0 10px;
  color: var(--ice);
}

.page-contact .dir-card__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--steel);
}

.page-contact .dir-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---------- 适合谁 ---------- */
.page-contact .who-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .who-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding: 18px 16px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--electric);
  border-radius: 2px;
  background: rgba(10, 39, 66, 0.55);
  transition: background-color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-contact .who-item:hover {
  background: rgba(10, 39, 66, 0.9);
  border-left-color: var(--gold);
}

.page-contact .who-item__idx {
  margin: 0;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--electric);
  padding-top: 3px;
}

.page-contact .who-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  color: var(--ice);
}

.page-contact .who-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 合作流程 ---------- */
.page-contact .flow__track {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .flow__step {
  position: relative;
  padding: 0 0 4px 0;
}

.page-contact .flow__dot {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 12px;
  border: 1px solid var(--line-accent);
  border-radius: 50%;
  background: var(--deep-sea);
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--electric);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-contact .flow__step:hover .flow__dot {
  border-color: var(--gold);
  color: var(--gold);
}

.page-contact .flow__step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--ice);
}

.page-contact .flow__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--steel);
}

.page-contact .flow__figure {
  margin: clamp(26px, 4vw, 38px) 0 0;
}

/* ---------- 联系渠道 ---------- */
.page-contact #contact-channels {
  scroll-margin-top: 24px;
}

.page-contact .channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .channel {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--midnight);
  padding: 20px 18px;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-contact .channel:hover {
  border-color: var(--line-accent);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.32);
}

.page-contact .channel__key {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .channel__value {
  margin: 10px 0 12px;
  font-family: var(--font-data);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ice);
  word-break: break-word;
}

.page-contact .channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .channels__foot {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--coral);
  background: rgba(255, 122, 89, 0.07);
  font-size: 14px;
  line-height: 1.72;
  color: var(--ice);
  opacity: 0.88;
}

/* ---------- 常见问题 ---------- */
.page-contact .faq {
  display: grid;
  gap: 10px;
}

.page-contact .faq__item {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(10, 39, 66, 0.6);
  transition: border-color var(--t-fast) var(--ease);
}

.page-contact .faq__item[open],
.page-contact .faq__item:hover {
  border-color: var(--line-accent);
}

.page-contact .faq__item summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ice);
}

.page-contact .faq__item summary::-webkit-details-marker {
  display: none;
}

.page-contact .faq__item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-data);
  font-size: 16px;
  color: var(--electric);
}

.page-contact .faq__item[open] summary::after {
  content: "–";
  color: var(--gold);
}

.page-contact .faq__item summary:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: -2px;
}

.page-contact .faq__body {
  padding: 0 18px 18px;
}

.page-contact .faq__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--steel);
}

/* ---------- 底部行动 ---------- */
.page-contact .contact-cta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: center;
  padding-block: clamp(34px, 5vw, 56px) clamp(46px, 7vw, 80px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-cta h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  color: var(--ice);
}

.page-contact .contact-cta p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .contact-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 620px) {
  .page-contact .dir-grid,
  .page-contact .who-grid,
  .page-contact .channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-contact .channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .contact-hero__actions .btn {
    min-width: 168px;
  }
}

@media (min-width: 860px) {
  .page-contact .flow__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
  .page-contact .flow__track::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 21px;
    height: 1px;
    background: linear-gradient(90deg, var(--electric) 0%, rgba(53, 224, 242, 0.16) 78%, rgba(53, 224, 242, 0) 100%);
  }
  .page-contact .flow__step {
    padding: 0 22px 0 0;
  }
  .page-contact .flow__dot {
    margin-bottom: 16px;
  }
}

@media (min-width: 940px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.78fr);
    gap: clamp(28px, 3.6vw, 48px);
  }
  .page-contact .contact-panel {
    position: sticky;
    top: 26px;
  }
  .page-contact .contact-cta {
    grid-template-columns: minmax(0, 1.25fr) auto;
  }
  .page-contact .contact-cta__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .dir-card,
  .page-contact .channel,
  .page-contact .who-item,
  .page-contact .flow__dot {
    transition: none;
  }
  .page-contact .dir-card:hover {
    transform: none;
  }
}
<<<END>>>