.page-contact {
  --contact-gap: clamp(20px, 3vw, 38px);
  --contact-pad: clamp(18px, 2.2vw, 28px);
  background:
    radial-gradient(1100px 420px at 88% -80px, rgba(255, 106, 26, .12), transparent 70%),
    radial-gradient(760px 380px at 4% 12%, rgba(46, 211, 255, .08), transparent 72%);
  color: var(--paper);
}

.page-contact .crumb {
  padding-top: clamp(14px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-bottom: clamp(30px, 5vw, 56px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  padding-top: clamp(18px, 3vw, 34px);
}

.page-contact .contact-hero__kicker {
  margin: 0 0 clamp(14px, 2vw, 20px);
  color: var(--orange);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.page-contact .contact-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.12;
  letter-spacing: -.01em;
  max-width: 20ch;
}

.page-contact .contact-hero .lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 62ch;
  color: var(--paper-soft);
}

.page-contact .contact-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .contact-hero__stats {
  display: grid;
  gap: 14px;
  margin: 0;
  padding-left: clamp(14px, 2vw, 22px);
  border-left: 1px solid var(--line);
  align-content: end;
}

.page-contact .contact-hero__stat dt {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .06em;
}

.page-contact .contact-hero__stat dd {
  margin: 4px 0 0;
  font-size: clamp(18px, 2.2vw, 24px);
  color: var(--orange-soft);
  line-height: 1.3;
}

.page-contact .contact-hero__banner {
  margin: clamp(28px, 4vw, 48px) 0 0;
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

.page-contact .contact-hero__banner img {
  height: 100%;
  object-fit: cover;
}

/* ---------- 章节通用 ---------- */
.page-contact .section {
  padding: clamp(52px, 8vw, 104px) 0;
  position: relative;
}

.page-contact .section__head {
  display: flex;
  align-items: baseline;
  gap: clamp(14px, 2vw, 26px);
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-contact .section__title {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.2;
}

.page-contact .section__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .lede {
  max-width: 64ch;
  color: var(--paper-soft);
}

.page-contact a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 211, 255, .34);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact a:hover {
  color: var(--orange-soft);
  border-color: var(--orange);
}

.page-contact .btn {
  border-bottom: 0;
}

/* ---------- 01 合作方向 ---------- */
.page-contact .contact-ways__lede {
  margin: 0 0 clamp(24px, 3.4vw, 40px);
}

.page-contact .ways-grid {
  align-items: start;
}

.page-contact .way-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--contact-pad);
  background: var(--surface);
}

.page-contact .way-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--blue);
}

.page-contact .way-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.2vw, 23px);
  line-height: 1.3;
}

.page-contact .way-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--paper-soft);
}

.page-contact .way-card ul {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .way-card li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-dim);
}

.page-contact .way-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 02 提报材料 ---------- */
.page-contact .materials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}

.page-contact .checklist {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--paper-soft);
}

.page-contact .checklist__idx {
  color: var(--orange);
  font-size: 13px;
  padding-top: 4px;
}

.page-contact .materials-figure {
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .materials-figure img {
  height: 100%;
  object-fit: cover;
}

/* ---------- 03 渠道 + 流程 ---------- */
.page-contact .reach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 56px);
}

.page-contact .reach-channels {
  display: grid;
  gap: 16px;
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--contact-pad);
  background: var(--surface);
  border: 1px solid var(--line);
  transition: border-color .12s var(--ease), transform .12s var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-contact .channel__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .channel__value {
  margin: 0;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.55;
  color: var(--paper);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper-dim);
}

.page-contact .channel .btn {
  align-self: flex-start;
  margin-top: 4px;
}

.page-contact .channel__link {
  align-self: flex-start;
  font-size: 14px;
  margin-top: 2px;
}

.page-contact .reach-flow__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 26px);
}

.page-contact .reach-flow__note {
  margin: 8px 0 clamp(22px, 3vw, 32px);
  font-size: 14px;
  color: var(--muted);
}

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

.page-contact .flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: clamp(12px, 2vw, 22px);
  padding-bottom: clamp(20px, 2.8vw, 30px);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 40px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--line), rgba(35, 38, 47, 0));
}

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

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

.page-contact .flow__num {
  font-size: clamp(20px, 2.2vw, 24px);
  line-height: 1.2;
  color: var(--muted);
  transition: color .3s var(--ease);
}

.page-contact .flow__num.is-lit {
  color: var(--orange);
}

.page-contact .flow__body h4 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
}

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

.page-contact .flow__time {
  margin-top: 8px !important;
  font-size: 12.5px;
  color: var(--moss);
  letter-spacing: .06em;
}

/* ---------- 04 响应时效 ---------- */
.page-contact .sla-panel {
  border-top: 1px solid var(--line-soft);
}

.page-contact .sla-row {
  display: grid;
  gap: 6px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .sla-key {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-contact .sla-val {
  font-size: 15.5px;
  line-height: 1.68;
  color: var(--paper-soft);
}

.page-contact .sla-val strong {
  color: var(--orange-soft);
  font-weight: 500;
}

.page-contact .contact-sla__foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 14.5px;
  color: var(--paper-dim);
  max-width: 62ch;
}

/* ---------- 05 合作约定 ---------- */
.page-contact .terms-grid {
  gap: clamp(22px, 3vw, 40px);
}

.page-contact .term {
  border-left: 2px solid var(--orange);
  padding: 2px 0 2px clamp(16px, 2vw, 22px);
}

.page-contact .term h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.35;
}

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

.page-contact .contact-terms__foot {
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  font-size: 14.5px;
  color: var(--paper-dim);
}

/* ---------- 06 常见去处 ---------- */
.page-contact .quick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .quick-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px var(--contact-pad);
  background: var(--surface);
  border: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  font-size: 15px;
  transition: border-color .12s var(--ease), color .12s var(--ease);
}

.page-contact .quick-link:hover {
  border-color: var(--orange);
  color: var(--orange-soft);
}

.page-contact .quick-link__to {
  flex: 0 0 auto;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--blue);
}

.page-contact .quick-link:hover .quick-link__to {
  color: var(--orange-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .reach-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .quick-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .contact-hero__banner {
    aspect-ratio: 7 / 3;
  }

  .page-contact .sla-row {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: baseline;
    gap: 26px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(220px, 4fr);
    gap: clamp(30px, 5vw, 72px);
  }

  .page-contact .ways-grid > :nth-child(even) {
    margin-top: 40px;
  }

  .page-contact .terms-grid {
    column-gap: clamp(34px, 5vw, 70px);
  }
}

@media (min-width: 960px) {
  .page-contact .materials-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: clamp(30px, 4vw, 60px);
  }

  .page-contact .materials-figure {
    position: sticky;
    top: 110px;
  }
}

@media (min-width: 1000px) {
  .page-contact .reach-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(34px, 4.5vw, 72px);
  }

  .page-contact .reach-channels {
    grid-template-columns: 1fr;
  }

  .page-contact .channel:nth-child(2) {
    margin-left: 22px;
  }

  .page-contact .channel:nth-child(3) {
    margin-left: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel:hover,
  .page-contact .channel:focus-within {
    transform: none;
  }
}
</
PAGE_CSS>>>