.page-contact {
  --contact-accent: var(--cyan);
  background: var(--ink);
  color: var(--fog);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}
.page-contact .contact-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(7, 20, 38, 0.45) 0%, rgba(7, 20, 38, 0.88) 62%, var(--ink) 100%);
}
.page-contact .contact-hero__veil::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(42, 74, 102, 0.5) 0 1px, transparent 1px 16px);
  opacity: 0.45;
}
.page-contact .contact-hero__inner {
  padding-top: clamp(24px, 4vw, 40px);
  padding-bottom: clamp(84px, 12vw, 140px);
}
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(30px, 6vw, 56px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog-62);
}
.page-contact .crumbs a {
  color: var(--fog-80);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-contact .crumbs__sep {
  color: var(--line);
}
.page-contact .contact-hero .eyebrow {
  color: var(--cyan);
}
.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.05rem, 7vw, 4.3rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--fog);
}
.page-contact .contact-hero__lead {
  max-width: 60ch;
  margin: clamp(18px, 3vw, 26px) 0 0;
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  line-height: 1.8;
  color: var(--fog-80);
}

/* 三列分流 */
.page-contact .triage {
  position: relative;
  margin-top: clamp(-96px, -9vw, -56px);
  padding-bottom: clamp(48px, 8vw, 84px);
}
.page-contact .triage__grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}
.page-contact .triage__card {
  --accent: var(--cyan);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3.6vw, 28px);
  background: linear-gradient(180deg, rgba(27, 53, 80, 0.94), rgba(11, 34, 57, 0.94));
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--accent);
  border-radius: var(--radius);
}
.page-contact .triage__card--orange { --accent: var(--orange); }
.page-contact .triage__card--mint { --accent: var(--mint); }
.page-contact .triage__card .tag {
  align-self: flex-start;
}
.page-contact .triage__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.6vw, 1.4rem);
  line-height: 1.4;
  color: var(--fog);
}
.page-contact .triage__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--fog-62);
}
.page-contact .triage__link {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
}
.page-contact .triage__link::after {
  content: " →";
}
.page-contact .triage__link:hover,
.page-contact .triage__link:focus-visible {
  border-bottom-color: var(--accent);
}

/* 联系渠道 + 反馈清单 */
.page-contact .channels {
  padding-bottom: clamp(52px, 8vw, 88px);
}
.page-contact .channels__grid {
  display: grid;
  gap: clamp(24px, 4vw, 36px);
  grid-template-columns: 1fr;
  margin-top: clamp(24px, 4vw, 36px);
}
.page-contact .channel {
  padding: clamp(20px, 3vw, 26px) 0;
  border-top: 1px solid var(--line-soft);
}
.page-contact .channel:last-child {
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .channel__key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fog-38);
}
.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.05rem, 4.2vw, 1.65rem);
  line-height: 1.35;
  overflow-wrap: anywhere;
  color: var(--fog);
}
.page-contact .channel__value--text {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: clamp(1rem, 3.4vw, 1.3rem);
}
.page-contact .channel__value a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 245, 225, 0.4);
}
.page-contact .channel__value a:hover,
.page-contact .channel__value a:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--fog);
}
.page-contact .channel__note {
  max-width: 46ch;
  margin: 10px 0 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--fog-62);
}

.page-contact .channels__side {
  padding: clamp(20px, 3.6vw, 30px);
  background: linear-gradient(165deg, rgba(63, 216, 255, 0.12), rgba(11, 34, 57, 0.9) 58%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.page-contact .channels__side-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.8vw, 1.3rem);
  line-height: 1.45;
  color: var(--fog);
}
.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .checklist__item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.page-contact .checklist__num {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  background: var(--sky);
  border-radius: var(--radius);
}
.page-contact .checklist__body {
  display: block;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--fog-62);
}
.page-contact .checklist__body strong {
  display: block;
  font-weight: 700;
  color: var(--fog);
}
.page-contact .checklist__body span {
  display: block;
}
.page-contact .channels__side-foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--fog-38);
}

/* 反馈流程 */
.page-contact .flow-section {
  padding: clamp(48px, 7vw, 80px) 0 clamp(52px, 8vw, 88px);
  background: var(--ink-2);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .flow-section__inner {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
  grid-template-columns: 1fr;
  align-items: start;
}
.page-contact .flow-section__media .media {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-contact .flow-section__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-contact .flow-section__text .section-title {
  margin-bottom: 14px;
}
.page-contact .flow-section__text .prose {
  margin: 0;
  color: var(--fog-80);
}
.page-contact .flow {
  list-style: none;
  margin: clamp(22px, 4vw, 32px) 0 0;
  padding: 0 0 0 4px;
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line);
}
.page-contact .flow__step {
  position: relative;
  padding: 12px 0 12px 20px;
  display: grid;
  gap: 3px;
}
.page-contact .flow__dot {
  position: absolute;
  left: -5px;
  top: 18px;
  width: 9px;
  height: 9px;
  background: var(--ink-2);
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}
.page-contact .flow__label {
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--fog);
}
.page-contact .flow__desc {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--fog-38);
}

/* 合作带 */
.page-contact .partners {
  padding: clamp(52px, 8vw, 92px) 0;
  background:
    linear-gradient(100deg, rgba(155, 123, 255, 0.16) 0%, rgba(7, 20, 38, 0) 46%),
    var(--ink);
}
.page-contact .partners__inner {
  display: grid;
  gap: clamp(24px, 4vw, 36px);
  grid-template-columns: 1fr;
  border-left: 2px solid var(--violet);
  padding-left: clamp(18px, 3vw, 32px);
}
.page-contact .partners .eyebrow {
  color: var(--violet);
}
.page-contact .partners__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.55rem, 4.2vw, 2.5rem);
  line-height: 1.25;
  color: var(--fog);
}
.page-contact .partners__lead {
  max-width: 52ch;
  margin: 14px 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--fog-62);
}
.page-contact .partners__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}
.page-contact .partners__item {
  padding: clamp(16px, 3vw, 22px);
  background: rgba(11, 34, 57, 0.86);
}
.page-contact .partners__key {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mint);
}
.page-contact .partners__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--fog-80);
}
.page-contact .partners__action {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 服务节奏 */
.page-contact .service {
  padding: 0 0 clamp(56px, 9vw, 96px);
}
.page-contact .service__inner {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  grid-template-columns: 1fr;
  padding-top: clamp(40px, 6vw, 64px);
  border-top: 1px solid var(--line-soft);
}
.page-contact .service__main .prose {
  margin: 0 0 16px;
  color: var(--fog-80);
}
.page-contact .service__main .prose:last-child {
  margin-bottom: 0;
}
.page-contact .service__aside {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-2);
}
.page-contact .service__aside-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fog-38);
}
.page-contact .service__links {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .service__stamp {
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}
.page-contact .service__stamp-key {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fog-38);
}
.page-contact .service__stamp-value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.8125rem;
  color: var(--fog-62);
}

@media (min-width: 640px) {
  .page-contact .triage__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .page-contact .partners__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .channels__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }
  .page-contact .flow-section__inner {
    grid-template-columns: 0.9fr 1.1fr;
    gap: clamp(32px, 5vw, 56px);
  }
  .page-contact .flow {
    grid-template-columns: repeat(4, 1fr);
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 22px 0 0;
    gap: 12px;
  }
  .page-contact .flow__step {
    padding: 0 12px 0 0;
  }
  .page-contact .flow__dot {
    left: 0;
    top: -27px;
  }
  .page-contact .partners__inner {
    grid-template-columns: 1fr 1.15fr;
    align-items: start;
    gap: clamp(28px, 4vw, 48px);
  }
  .page-contact .partners__action {
    grid-column: 1 / -1;
  }
  .page-contact .service__inner {
    grid-template-columns: 1.4fr 0.6fr;
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-hero__inner {
    padding-bottom: clamp(120px, 10vw, 156px);
  }
  .page-contact .channel__value {
    font-size: 1.75rem;
  }
}
<<<END>>>