.page-contact {
  --pc-panel-pad: clamp(18px, 2.6vw, 28px);
  --pc-gap: clamp(16px, 2.4vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 44px) clamp(40px, 6vw, 76px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -12% -18% auto -18%;
  height: 78%;
  background:
    radial-gradient(58% 62% at 26% 18%, rgba(56, 225, 210, 0.15), transparent 72%),
    radial-gradient(48% 52% at 88% 4%, rgba(255, 122, 84, 0.13), transparent 72%),
    radial-gradient(40% 40% at 60% 90%, rgba(46, 58, 92, 0.55), transparent 74%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

.page-contact .contact-hero__copy .display {
  margin-block: 12px 18px;
  max-width: 15em;
}

.page-contact .contact-hero__copy .lede {
  max-width: 34em;
  color: var(--mist-400);
}

.page-contact .hero-facts {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .hero-fact {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  background: linear-gradient(150deg, rgba(16, 34, 54, 0.92), rgba(10, 21, 38, 0.92));
  border: 2px solid var(--steel-600);
  border-left: 3px solid var(--neon-cyan);
  border-radius: var(--radius);
  box-shadow: 0 14px 30px -22px rgba(0, 0, 0, 0.95);
}

.page-contact .hero-fact__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
  text-transform: uppercase;
}

.page-contact .hero-fact__value {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--light-100);
  word-break: break-word;
}

.page-contact .hero-fact__value.mono {
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--light-100);
}

.page-contact .contact-hero__media {
  margin: 0;
  border: 2px solid var(--steel-600);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lift);
  overflow: hidden;
  background: var(--ink-700);
}

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

/* ---------- 渠道 + 写信 ---------- */
.page-contact .contact-desk__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .contact-desk__col > .h2 {
  margin-block: 10px 12px;
}

.page-contact .contact-desk__intro {
  color: var(--mist-400);
  max-width: 32em;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-contact .channel-card {
  position: relative;
  padding: var(--pc-panel-pad);
  margin-bottom: var(--pc-gap);
  background: linear-gradient(158deg, var(--ink-700), var(--ink-800));
  border: 2px solid rgba(242, 178, 76, 0.32);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  transition: border-color 220ms var(--ease-hall), box-shadow 220ms var(--ease-hall),
    transform 220ms var(--ease-hall);
}

.page-contact .channel-card:last-child {
  margin-bottom: 0;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--amber);
  box-shadow: 0 0 0 1px rgba(242, 178, 76, 0.35), var(--shadow-lift);
  transform: translateY(-3px);
}

.page-contact .channel-card__tag {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist-400);
  border: 1px solid var(--steel-600);
  border-radius: 2px;
  padding: 2px 7px;
}

.page-contact .channel-card__title {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.1vw, 23px);
  font-weight: 700;
  color: var(--light-100);
}

.page-contact .channel-card__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(15px, 1.9vw, 20px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--neon-cyan);
  word-break: break-word;
}

.page-contact .channel-card:nth-child(2) .channel-card__value,
.page-contact .channel-card:nth-child(3) .channel-card__value {
  color: var(--light-100);
}

.page-contact .channel-card:nth-child(2) .channel-card__value {
  color: var(--neon-cyan);
}

.page-contact .channel-card__desc {
  margin: 0 0 12px;
  color: var(--light-100);
  font-size: 15.5px;
  line-height: 1.75;
}

.page-contact .channel-card__scene {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--steel-600);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-400);
}

.page-contact .channel-card__scene .mono {
  display: inline-block;
  margin-right: 8px;
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.1em;
}

/* 加急面板 */
.page-contact .mail-panel {
  padding: var(--pc-panel-pad);
  margin-bottom: var(--pc-gap);
  background: linear-gradient(200deg, rgba(46, 58, 92, 0.46), var(--ink-800) 62%);
  border: 2px solid var(--steel-600);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-contact .mail-panel__tag {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--coral);
}

.page-contact .mail-panel__title {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--light-100);
}

.page-contact .mail-panel__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-400);
}

.page-contact .mail-code {
  margin: 0 0 16px;
  padding: 14px 16px;
  background: var(--ink-900);
  border: 2px solid var(--steel-600);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--light-100);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.page-contact .mail-code em {
  font-style: normal;
  font-weight: 700;
  color: var(--coral);
}

.page-contact .mail-kinds {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .mail-kinds li {
  display: grid;
  gap: 3px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--mist-400);
  padding-left: 12px;
  border-left: 2px solid var(--steel-600);
}

.page-contact .mail-kinds .mono {
  color: var(--amber);
  font-size: 12.5px;
  letter-spacing: 0.08em;
}

.page-contact .mail-samples__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist-400);
}

.page-contact .mail-samples__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .mail-samples__list code {
  display: block;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--light-100);
  background: rgba(5, 11, 24, 0.75);
  border: 1px dashed var(--steel-600);
  border-radius: var(--radius);
  word-break: break-word;
}

/* 准备三件事 */
.page-contact .prep-panel {
  padding: var(--pc-panel-pad);
  background: var(--ink-700);
  border: 2px solid var(--steel-600);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-contact .prep-panel__title {
  margin: 0 0 16px;
  font-size: clamp(18px, 2.1vw, 22px);
  font-weight: 700;
  color: var(--light-100);
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .prep-list li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-contact .prep-list__num {
  display: grid;
  place-items: center;
  height: 28px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
  border: 1px solid rgba(242, 178, 76, 0.5);
  border-radius: 2px;
}

.page-contact .prep-list__head {
  margin: 0 0 4px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--light-100);
}

.page-contact .prep-list li p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist-400);
}

/* ---------- 分流 ---------- */
.page-contact .triage-section__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-contact .triage-media {
  margin: 0;
  order: 2;
  border: 2px solid var(--steel-600);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lift);
  overflow: hidden;
  background: var(--ink-700);
}

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

.page-contact .triage-body {
  order: 1;
}

.page-contact .triage-body > .h2 {
  margin-block: 10px 20px;
}

.page-contact .triage-head {
  display: none;
  gap: 20px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--steel-600);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist-400);
}

.page-contact .triage-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-contact .triage-row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(27, 58, 85, 0.85);
}

.page-contact .triage-row:first-child {
  border-top: 1px solid rgba(27, 58, 85, 0.85);
}

.page-contact .triage-row__need {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--neon-cyan);
}

.page-contact .triage-row__info {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--light-100);
}

.page-contact .triage-foot {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist-400);
}

.page-contact a {
  color: var(--neon-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

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

.page-contact .btn {
  text-decoration: none;
}

/* ---------- 服务时段 ---------- */
.page-contact .contact-hours {
  padding-block: clamp(40px, 6vw, 84px);
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  border-top: 1px solid var(--steel-600);
  border-bottom: 1px solid var(--steel-600);
}

.page-contact .contact-hours__head .h2 {
  margin-block: 10px 14px;
  max-width: 18em;
}

.page-contact .contact-hours__lede {
  margin: 0;
  max-width: 36em;
  color: var(--mist-400);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-contact .hours-strip {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 4px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .hours-cell {
  height: 32px;
  border-radius: 2px;
  border: 1px solid rgba(56, 225, 210, 0.32);
  background: linear-gradient(180deg, rgba(56, 225, 210, 0.6), rgba(56, 225, 210, 0.14));
}

.page-contact .hours-cell:nth-child(3n) {
  background: linear-gradient(180deg, rgba(56, 225, 210, 0.42), rgba(56, 225, 210, 0.1));
}

.page-contact .hours-cell--edge {
  border-color: rgba(242, 178, 76, 0.6);
  background: linear-gradient(180deg, rgba(242, 178, 76, 0.78), rgba(242, 178, 76, 0.24));
}

.page-contact .hours-scale {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist-400);
}

.page-contact .hours-notes {
  margin-top: clamp(24px, 3.4vw, 36px);
  display: grid;
  gap: 16px;
}

.page-contact .hours-notes p {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--steel-600);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist-400);
}

.page-contact .hours-notes .mono {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-closing {
  padding-block: clamp(30px, 4.6vw, 54px);
}

.page-contact .contact-closing__inner {
  display: grid;
  gap: 18px;
  align-items: center;
}

.page-contact .contact-closing__inner p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist-400);
}

/* ---------- 桌面 ---------- */
@media (min-width: 820px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

  .page-contact .hero-facts {
    gap: 12px;
  }

  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-contact .contact-desk__col:first-child {
    position: sticky;
    top: 96px;
  }

  .page-contact .triage-section__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(28px, 4.4vw, 56px);
  }

  .page-contact .triage-media {
    order: 1;
    position: sticky;
    top: 96px;
  }

  .page-contact .triage-body {
    order: 2;
  }

  .page-contact .triage-head {
    display: grid;
    grid-template-columns: minmax(130px, 0.32fr) minmax(0, 1fr);
  }

  .page-contact .triage-row {
    grid-template-columns: minmax(130px, 0.32fr) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-contact .hours-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .contact-closing__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-desk__col:first-child {
    padding-right: 8px;
  }
}

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