.page-contact {
  --c-card: var(--panel);
  --c-edge: rgba(154, 164, 200, 0.18);
  --c-edge-hot: var(--path);
  --c-soon: rgba(154, 164, 200, 0.42);
  padding-bottom: 96px;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-top: 40px;
  padding-bottom: 56px;
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--path), rgba(43, 240, 208, 0.05) 62%, transparent);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 14px 0 0;
  max-width: 17ch;
}

.page-contact .contact-hero .lede {
  margin-top: 22px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--white);
  opacity: 0.86;
}

.page-contact .hero-marks {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .hero-marks li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--haze);
}

.page-contact .hero-marks .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--path);
  box-shadow: 0 0 0 3px rgba(43, 240, 208, 0.14);
  flex: none;
}

/* ---------- 通用区块 ---------- */

.page-contact .section {
  padding: 56px 0;
}

.page-contact .section--tight {
  padding: 44px 0 0;
}

.page-contact .section .title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 10px 0 0;
  max-width: 22ch;
}

.page-contact .section .prose {
  margin-top: 16px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--haze);
}

.page-contact .subtitle {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0 0 18px;
}

/* ---------- 横向主题带 ---------- */

.page-contact .band {
  margin: 8px 0;
  background: linear-gradient(100deg, rgba(43, 240, 208, 0.09), rgba(108, 123, 255, 0.06) 55%, transparent);
  border-top: 1px solid var(--c-edge);
  border-bottom: 1px solid var(--c-edge);
}

.page-contact .band__inner {
  padding-top: 26px;
  padding-bottom: 26px;
}

.page-contact .band__lead {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--path);
  margin: 0;
}

.page-contact .band__text {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--white);
  opacity: 0.84;
}

/* ---------- 渠道面板 ---------- */

.page-contact .channel-pair {
  margin-top: 30px;
  display: grid;
  gap: 18px;
}

.page-contact .channel-card {
  position: relative;
  border: 1px solid var(--c-edge);
  border-radius: var(--radius-xl);
  background: var(--c-card);
  padding: 26px 22px 24px;
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  background: var(--path);
  opacity: 0.9;
}

.page-contact .channel-card--tel::before {
  background: var(--announce);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--c-edge-hot);
  transform: translateY(-3px);
}

.page-contact .channel-card--tel:hover,
.page-contact .channel-card--tel:focus-within {
  border-color: var(--announce);
}

.page-contact .channel-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-contact .channel-card__head h3 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0;
}

.page-contact .channel-card__value {
  margin: 20px 0 0;
  font-size: clamp(15px, 3.4vw, 20px);
  letter-spacing: 0.01em;
  color: var(--path);
  word-break: break-all;
}

.page-contact .channel-card--tel .channel-card__value {
  color: var(--announce);
}

.page-contact .channel-card__desc {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--haze);
  max-width: 40ch;
}

.page-contact .channel-card__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px dashed var(--c-edge);
}

.page-contact .channel-card__list li {
  position: relative;
  padding: 11px 0 11px 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
  opacity: 0.88;
  border-bottom: 1px dashed var(--c-edge);
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 9px;
  height: 1px;
  background: var(--node);
}

.page-contact .channel-card__hint {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--amber);
}

/* ---------- 服务时间刻度 ---------- */

.page-contact .clock {
  margin-top: 30px;
}

.page-contact .clock__track {
  position: relative;
  height: 46px;
  border-radius: var(--pill);
  background: rgba(5, 8, 28, 0.6);
  border: 1px solid var(--c-edge);
  overflow: hidden;
}

.page-contact .clock__seg {
  position: absolute;
  top: 0;
  bottom: 0;
}

.page-contact .clock__seg--off {
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, rgba(43, 240, 208, 0.85), rgba(43, 240, 208, 0.55));
  animation: contact-breathe 2.4s ease-in-out infinite;
}

@keyframes contact-breathe {
  0%, 100% { opacity: 0.82; }
  50% { opacity: 1; }
}

.page-contact .clock__scale {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-soon);
}

.page-contact .clock__scale li:nth-child(3),
.page-contact .clock__scale li:nth-child(5) {
  color: var(--path);
}

/* ---------- 响应表格 ---------- */

.page-contact .resp-panel {
  margin-top: 34px;
  border: 1px solid var(--c-edge);
  border-radius: var(--radius-lg);
  background: var(--c-card);
  padding: 6px 16px 18px;
  overflow-x: auto;
}

.page-contact .resp-panel .data-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  margin-top: 12px;
}

.page-contact .resp-panel .data-table th,
.page-contact .resp-panel .data-table td {
  text-align: left;
  padding: 14px 10px;
  font-size: 14px;
  line-height: 1.6;
  border-bottom: 1px solid var(--c-edge);
  color: var(--haze);
  vertical-align: top;
}

.page-contact .resp-panel .data-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--haze);
  text-transform: uppercase;
  border-bottom-color: var(--line-strong);
}

.page-contact .resp-panel .data-table tbody th {
  color: var(--white);
  font-weight: 700;
  white-space: nowrap;
}

.page-contact .resp-panel .data-table tr.is-current th,
.page-contact .resp-panel .data-table tr.is-current td {
  background: rgba(43, 240, 208, 0.07);
  color: var(--white);
}

.page-contact .resp-panel .data-table tr.is-current th {
  box-shadow: inset 3px 0 0 var(--path);
}

.page-contact .data-table__note {
  margin: 16px 0 6px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--haze);
}

/* ---------- 邮件模板 ---------- */

.page-contact .mail-template {
  margin-top: 28px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background: rgba(5, 8, 28, 0.45);
  padding: 22px 20px;
}

.page-contact .mail-template__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin: 18px 0 8px;
}

.page-contact .mail-template__label:first-child {
  margin-top: 0;
}

.page-contact .mail-template__code {
  margin: 0;
  font-size: clamp(15px, 3.6vw, 22px);
  letter-spacing: 0.01em;
  color: var(--white);
  word-break: break-all;
}

.page-contact .mail-template__egs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .mail-template__egs li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  background: rgba(21, 28, 74, 0.7);
}

.page-contact .mail-template__egs .mono {
  font-size: 13px;
  color: var(--path);
  letter-spacing: 0.01em;
}

.page-contact .mail-template__egs em {
  font-style: normal;
  font-size: 12px;
  color: var(--haze);
}

.page-contact .write-tips {
  margin-top: 38px;
}

.page-contact .write-tips__grid {
  display: grid;
  gap: 14px;
}

.page-contact .write-tips__item {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--c-card);
  border: 1px solid var(--c-edge);
}

.page-contact .write-tips__item p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

/* ---------- 函件区块 ---------- */

.page-contact .letter-grid {
  display: grid;
  gap: 34px;
}

.page-contact .addr {
  font-style: normal;
  margin-top: 26px;
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  background: var(--c-card);
  border-left: 3px solid var(--announce);
  display: grid;
  gap: 8px;
}

.page-contact .addr__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--announce);
}

.page-contact .addr__line {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .addr__note {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--haze);
}

.page-contact .letter-notes {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .letter-notes li {
  padding-left: 18px;
  border-left: 1px solid var(--c-edge);
  font-size: 14px;
  line-height: 1.85;
  color: var(--haze);
}

.page-contact .letter-notes strong {
  display: block;
  font-family: var(--font-head);
  font-size: 14px;
  color: var(--white);
  margin-bottom: 4px;
}

.page-contact .letter-grid__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .side-note {
  padding: 20px;
  border-radius: var(--radius-lg);
}

.page-contact .side-note__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--path);
}

.page-contact .side-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
}

/* ---------- 前置分流 ---------- */

.page-contact .route-grid {
  margin-top: 30px;
  display: grid;
  gap: 16px;
}

.page-contact .route-card {
  display: block;
  padding: 24px 22px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--c-edge);
  background: linear-gradient(160deg, rgba(21, 28, 74, 0.95), rgba(11, 16, 48, 0.95));
  text-decoration: none;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  border-color: var(--path);
  transform: translateY(-3px);
}

.page-contact .route-card h3 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .route-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
}

.page-contact .route-card__go {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--path);
}

.page-contact .closing {
  margin-top: 46px;
  padding: 28px 22px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--c-edge);
  background: linear-gradient(120deg, rgba(255, 154, 46, 0.1), rgba(11, 16, 48, 0.9) 60%);
}

.page-contact .closing__text {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--white);
  opacity: 0.9;
}

.page-contact .closing__actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 返回顶部 ---------- */

.page-contact .backtop {
  position: fixed;
  right: 18px;
  bottom: 22px;
  z-index: 40;
  padding: 11px 18px;
  border-radius: var(--pill);
  border: 1px solid var(--line-strong);
  background: rgba(5, 8, 28, 0.9);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: border-color 0.25s ease, color 0.25s ease;
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .contact-hero {
    padding-top: 56px;
    padding-bottom: 72px;
  }

  .page-contact .hero-marks {
    grid-template-columns: repeat(3, auto);
    gap: 26px;
    justify-content: start;
  }

  .page-contact .section {
    padding: 76px 0;
  }

  .page-contact .channel-pair {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }

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

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

  .page-contact .closing {
    padding: 36px 32px;
  }
}

@media (min-width: 1024px) {
  .page-contact .section .title {
    font-size: 40px;
  }

  .page-contact .letter-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
  }

  .page-contact .route-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .closing {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }

  .page-contact .closing__actions {
    margin-top: 0;
    flex: none;
  }

  .page-contact .backtop {
    right: 28px;
    bottom: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .clock__seg--off {
    animation: none;
    opacity: 1;
  }

  .page-contact .channel-card,
  .page-contact .route-card {
    transition: none;
  }
}
<<<END>>>