.page-contact {
  --pc-gap: clamp(18px, 3vw, 34px);
  --pc-pad-x: clamp(16px, 2.6vw, 40px);
  --pc-sec-y: clamp(44px, 7vw, 92px);
  padding-bottom: clamp(56px, 8vw, 104px);
  overflow-x: clip;
}

.page-contact section {
  padding-inline: var(--pc-pad-x);
}

.page-contact .u-eyebrow {
  display: block;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .breadcrumbs {
  padding-top: clamp(20px, 3.4vw, 44px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

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

.page-contact .breadcrumbs span[aria-hidden="true"] {
  margin: 0 8px;
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.contact-hero {
  padding-bottom: clamp(36px, 5vw, 64px);
}

.contact-hero__grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(24px, 4vw, 52px);
}

.contact-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(56px, 12vw, 112px);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.contact-hero .u-lead {
  max-width: 56ch;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.contact-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.contact-hero__facts div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}

.contact-hero__facts dt {
  font-size: 13px;
  color: var(--mist);
}

.contact-hero__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--cyan);
}

.contact-hero__media {
  position: relative;
  margin: 0;
}

.contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--r);
  background: linear-gradient(205deg, rgba(6, 10, 20, 0) 42%, rgba(6, 10, 20, 0.78) 100%);
  pointer-events: none;
}

.contact-hero__media figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 章节标题 ---------- */
.contact-head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 3.6vw, 44px);
}

.contact-head h2 {
  margin: 0 0 12px;
  padding-left: 14px;
  border-left: 4px solid var(--cyan);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.contact-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 渠道卡 ---------- */
.contact-channels {
  padding-block: var(--pc-sec-y);
  background: linear-gradient(158deg, var(--teal) 0%, rgba(10, 34, 48, 0.55) 46%, var(--wine) 100%);
  border-block: 1px solid var(--line-soft);
}

.contact-channels__stack {
  display: grid;
  gap: var(--pc-gap);
}

.contact-card {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(160deg, rgba(95, 233, 255, 0.12), rgba(95, 233, 255, 0.035));
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
  transition: border-color var(--t-base), transform var(--t-base), background var(--t-base);
}

.contact-card:hover {
  border-color: rgba(95, 233, 255, 0.55);
  transform: translateY(-4px);
}

.contact-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--cyan);
  background: rgba(6, 10, 20, 0.45);
}

.contact-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.contact-card__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  word-break: break-word;
}

.contact-card__value--mail {
  color: var(--cyan);
}

.contact-card__value--phone {
  font-size: 24px;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.contact-card__value--addr {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  color: var(--ice);
}

.contact-card__desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.contact-card__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 纠错清单 ---------- */
.contact-fix {
  padding-block: var(--pc-sec-y);
}

.contact-fix__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.contact-fix__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

.contact-fix__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.contact-fix__num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--orange);
  padding-top: 2px;
}

.contact-fix__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.01em;
  color: var(--ice);
}

.contact-fix__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.contact-fix__tail {
  margin: clamp(20px, 3vw, 32px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 233, 255, 0.4);
  transition: color var(--t-fast), border-color var(--t-fast);
}

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

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

/* ---------- 处理流程 ---------- */
.contact-flow-wrap {
  padding-block: var(--pc-sec-y);
  background: linear-gradient(180deg, var(--teal) 0%, rgba(10, 34, 48, 0.35) 100%);
  border-block: 1px solid var(--line-soft);
}

.contact-flow__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.contact-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.contact-flow__step {
  position: relative;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.contact-flow__step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(95, 233, 255, 0.14);
}

.contact-flow__step details {
  padding-bottom: 12px;
}

.contact-flow__step summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

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

.contact-flow__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--orange);
}

.contact-flow__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.contact-flow__step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--orange);
}

.contact-flow__step details[open] summary::after {
  content: "–";
}

.contact-flow__body {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.contact-flow__media {
  margin: 0;
  align-self: start;
}

.contact-flow__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(6, 10, 20, 0.5);
}

.contact-flow__media figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 合作与媒体 ---------- */
.contact-collab {
  padding-block: var(--pc-sec-y);
}

.contact-collab__inner {
  padding: clamp(24px, 4vw, 52px);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(150deg, var(--indigo) 0%, rgba(22, 16, 51, 0.55) 100%);
}

.contact-collab__cols {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.contact-collab__col h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.contact-collab__col p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.contact-collab__note {
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 场景对照 ---------- */
.contact-map {
  padding-block: var(--pc-sec-y);
}

.contact-map__list {
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: rgba(42, 12, 24, 0.42);
  overflow: hidden;
}

.contact-map__row {
  display: grid;
  gap: 6px;
  padding: 16px clamp(14px, 2.4vw, 24px);
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--t-fast);
}

.contact-map__row:last-child {
  border-bottom: 0;
}

.contact-map__row:hover,
.contact-map__row:focus-within {
  background: rgba(95, 233, 255, 0.08);
}

.contact-map__case {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--ice);
}

.contact-map__route {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.contact-map__route .u-mono {
  font-family: var(--font-mono);
  color: var(--orange);
}

/* ---------- 收尾 ---------- */
.contact-more {
  padding-block: clamp(36px, 5vw, 64px);
  border-top: 1px solid var(--line);
}

.contact-more h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.6vw, 38px);
  letter-spacing: -0.01em;
  color: var(--ice);
}

.contact-more p {
  max-width: 60ch;
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.contact-more__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .contact-hero__facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .contact-hero__facts div {
    display: block;
    border-left: 1px solid var(--line);
    padding-left: 14px;
  }

  .contact-hero__facts dt {
    margin-bottom: 6px;
  }

  .contact-fix__item {
    grid-template-columns: 64px 1fr;
    gap: 20px;
    padding: 22px 0;
  }

  .contact-collab__cols {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-map__row {
    grid-template-columns: 1fr 1.25fr;
    gap: clamp(16px, 3vw, 36px);
    align-items: baseline;
    padding-block: 20px;
  }
}

@media (min-width: 900px) {
  .contact-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: clamp(32px, 4.5vw, 68px);
  }

  .contact-channels__stack {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
    padding-bottom: 56px;
  }

  .contact-card--phone {
    margin-top: 28px;
  }

  .contact-card--addr {
    margin-top: 56px;
  }

  .contact-flow__grid {
    grid-template-columns: 8fr 4fr;
    align-items: start;
  }

  .contact-flow {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 28px;
  }

  .contact-collab__cols {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

  .contact-card:hover {
    transform: none;
  }
}
<<<END>>>