.page-contact {
  --contact-hair: rgba(143, 163, 184, 0.18);
  --contact-hair-strong: rgba(143, 163, 184, 0.34);
  --contact-hair-dark: rgba(42, 58, 77, 0.18);
  background: var(--ink);
  color: var(--bone);
  overflow-x: clip;
}

.page-contact section[id] {
  scroll-margin-top: clamp(88px, 12vw, 124px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(104px, 17vw, 172px) 0 clamp(52px, 8vw, 92px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -14% -22% auto auto;
  width: 82vw;
  height: 82vw;
  max-width: 940px;
  max-height: 940px;
  background: linear-gradient(142deg, rgba(53, 224, 208, 0.17) 0%, rgba(53, 224, 208, 0) 60%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 64%);
  z-index: -1;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--contact-hair) 1px, transparent 1px),
    linear-gradient(to bottom, var(--contact-hair) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(120% 88% at 68% 12%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 88% at 68% 12%, #000 0%, transparent 72%);
  opacity: 0.55;
  pointer-events: none;
}

.page-contact .hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 6vw, 60px);
  align-items: start;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .hero-copy {
  min-width: 0;
}

.page-contact .hero-copy .display-title {
  margin: 12px 0 18px;
}

.page-contact .hero-copy .lede {
  max-width: 46ch;
}

.page-contact .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: 26px 0 30px;
}

.page-contact .hero-meta__chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--contact-hair);
  border-radius: var(--radius);
  background: rgba(14, 29, 51, 0.62);
  font-size: 14px;
  line-height: 1.4;
  color: var(--mist);
}

.page-contact .hero-meta__chip .mono {
  font-size: 13px;
  color: var(--cyan);
}

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

.page-contact .hero-figure {
  position: relative;
  isolation: isolate;
  margin: 0;
}

.page-contact .hero-figure::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -16%;
  width: 62%;
  height: 44%;
  background: linear-gradient(118deg, rgba(53, 224, 208, 0.2) 0%, rgba(255, 107, 74, 0.16) 100%);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  z-index: -1;
  pointer-events: none;
}

.page-contact .media {
  position: relative;
}

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

.page-contact .hero-figure__cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 通用小节标题 ---------- */
.page-contact .section-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.6vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-contact .section-title--sm {
  font-size: clamp(22px, 3.4vw, 28px);
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-channels {
  border-top: 1px solid var(--contact-hair);
}

.page-contact .channel-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(40px, 6vw, 72px);
  align-items: start;
}

.page-contact .channel-col {
  min-width: 0;
}

.page-contact .channel-list {
  list-style: none;
  margin: clamp(24px, 4vw, 32px) 0 0;
  padding: 0;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .channel {
  padding: 24px 0 26px;
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .channel__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .channel__value {
  display: inline-block;
  max-width: 100%;
  font-family: var(--font-display);
  font-size: clamp(22px, 5.4vw, 30px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--bone);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid transparent;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}

.page-contact .channel__value--mail {
  font-size: clamp(18px, 4.2vw, 26px);
  letter-spacing: 0;
}

.page-contact .channel__value--plain {
  cursor: default;
}

.page-contact a.channel__value:hover,
.page-contact a.channel__value:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .channel__note {
  margin: 12px 0 14px;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .channel-aside {
  position: relative;
  min-width: 0;
  padding-bottom: clamp(28px, 6vw, 76px);
}

.page-contact .channel-aside::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(360px, 70%);
  height: 116px;
  background: linear-gradient(115deg, rgba(255, 107, 74, 0.18) 0%, rgba(53, 224, 208, 0) 72%);
  clip-path: polygon(0 100%, 100% 22%, 100% 100%);
  pointer-events: none;
}

.page-contact .hours-panel {
  position: relative;
  margin-top: clamp(22px, 3.6vw, 30px);
  padding: 6px clamp(18px, 3vw, 26px) 14px;
  border: 1px solid var(--contact-hair);
  background: linear-gradient(162deg, rgba(14, 29, 51, 0.94) 0%, rgba(6, 15, 28, 0.94) 100%);
}

.page-contact .hours-panel::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 2px;
  height: 64px;
  background: linear-gradient(var(--cyan), rgba(53, 224, 208, 0));
}

.page-contact .hours-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .hours-row:last-child {
  border-bottom: 0;
}

.page-contact .hours-row__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .hours-row__v {
  font-size: 17px;
  font-weight: 600;
  color: var(--bone);
}

.page-contact .hours-row__v .em {
  font-size: 15px;
  font-weight: 500;
  color: var(--gold);
}

.page-contact .aside-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 咨询前准备（米白区） ---------- */
.page-contact .contact-prepare {
  padding-block: clamp(56px, 9vw, 104px);
}

.page-contact .prepare-head {
  max-width: 64ch;
}

.page-contact .eyebrow--dark {
  color: var(--clay);
}

.page-contact .eyebrow--dark::before {
  background-color: var(--clay);
}

.page-contact .section-title--dark {
  color: var(--ink);
}

.page-contact .prepare-lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--rock);
}

.page-contact .prep-steps {
  list-style: none;
  margin: clamp(34px, 6vw, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-contact .prep-step {
  position: relative;
  padding: 26px 0 30px;
  border-top: 1px solid var(--contact-hair-dark);
}

.page-contact .prep-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--clay);
}

.page-contact .prep-step__num {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-contact .prep-step__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .prep-step__text {
  margin: 0;
  max-width: 40ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--rock);
}

.page-contact .prep-step__text .mono {
  font-size: 13px;
  color: var(--clay);
}

/* ---------- 分流索引 ---------- */
.page-contact .contact-routing {
  border-top: 1px solid var(--contact-hair);
}

.page-contact .routing-head {
  max-width: 66ch;
}

.page-contact .routing-head .prose {
  margin-top: 16px;
  color: var(--mist);
}

.page-contact .route-list {
  list-style: none;
  margin: clamp(30px, 5vw, 48px) 0 0;
  padding: 0;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .route-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 8px 16px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--contact-hair);
  transition: border-color 180ms ease-out;
}

.page-contact .route-item:hover {
  border-bottom-color: rgba(53, 224, 208, 0.5);
}

.page-contact .route-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  line-height: 1.9;
  color: var(--cyan);
}

.page-contact .route-item__body {
  min-width: 0;
}

.page-contact .route-item__title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--bone);
}

.page-contact .route-item__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .route-item__meta {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(143, 163, 184, 0.85);
}

.page-contact .route-item__link {
  grid-column: 2;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--contact-hair-strong);
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.4;
  color: var(--cyan);
  text-decoration: none;
  transition: border-color 180ms ease-out, background-color 180ms ease-out;
}

.page-contact .route-item__link:hover,
.page-contact .route-item__link:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan-soft);
}

/* ---------- 合作与通信 ---------- */
.page-contact .contact-partner {
  border-top: 1px solid var(--contact-hair);
  background: linear-gradient(180deg, rgba(14, 29, 51, 0.55) 0%, rgba(6, 15, 28, 0) 62%);
}

.page-contact .partner-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(40px, 6vw, 72px);
  align-items: start;
}

.page-contact .partner-main,
.page-contact .partner-aside {
  min-width: 0;
}

.page-contact .partner-text {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .partner-text .link-under {
  color: var(--cyan);
}

.page-contact .subject-template {
  margin: clamp(22px, 3.6vw, 28px) 0 0;
  padding: 18px clamp(16px, 3vw, 22px);
  border: 1px dashed var(--contact-hair-strong);
  border-radius: var(--radius);
}

.page-contact .subject-template__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .subject-template__code {
  display: block;
  padding: 10px 0;
  border-top: 1px solid var(--contact-hair);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--gold);
  overflow-wrap: anywhere;
}

.page-contact .subject-template__label + .subject-template__code {
  border-top: 0;
}

.page-contact .partner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 32px);
}

.page-contact .partner-figure {
  margin: clamp(24px, 4vw, 32px) 0 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 900px) {
  .page-contact .hero-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: end;
  }

  .page-contact .channel-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .partner-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .prep-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: clamp(24px, 3vw, 44px);
  }

  .page-contact .prep-step {
    padding-right: clamp(8px, 2vw, 22px);
  }
}

@media (min-width: 860px) {
  .page-contact .route-item {
    grid-template-columns: 56px minmax(0, 1fr) 210px 96px;
    gap: 24px;
    align-items: center;
    padding: 24px 0;
  }

  .page-contact .route-item__num,
  .page-contact .route-item__meta,
  .page-contact .route-item__link {
    grid-column: auto;
  }

  .page-contact .route-item__link {
    justify-self: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel__value,
  .page-contact .route-item,
  .page-contact .route-item__link {
    transition: none;
  }
}
<<<END>>>