.page-contact {
  --pc-glass: rgba(18, 51, 73, 0.56);
  --pc-glass-hover: rgba(30, 74, 99, 0.78);
  --pc-line: rgba(30, 74, 99, 0.9);
  --pc-line-soft: rgba(30, 74, 99, 0.52);
  --pc-shadow: 0 18px 46px rgba(2, 10, 18, 0.45);
  background: var(--bg);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: clamp(16px, 2.4vw, 26px) 0 clamp(10px, 1.6vw, 18px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--lime-300);
  border-color: var(--lime-300);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  border-top: 1px solid var(--pc-line-soft);
  padding-top: clamp(22px, 3.4vw, 40px);
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-contact .hero-left .eyebrow {
  margin: 0 0 14px;
}

.page-contact h1 {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(34px, 7.4vw, 62px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .hero-lede {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .channel-stack {
  list-style: none;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .channel-card {
  padding: clamp(16px, 2.2vw, 24px) clamp(16px, 2.4vw, 26px);
  background: var(--pc-glass);
  border: 1px solid var(--pc-line-soft);
  border-left: 2px solid var(--mist);
  backdrop-filter: blur(6px);
  transition: background 200ms ease, border-color 200ms ease, transform 200ms ease;
}

.page-contact .channel-card--mail { border-left-color: var(--lime-500); }
.page-contact .channel-card--phone { border-left-color: var(--cyan); }
.page-contact .channel-card--addr { border-left-color: var(--amber-500); }

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  background: var(--pc-glass-hover);
  border-color: var(--lime-500);
  transform: translateX(3px);
}

.page-contact .channel-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-contact .channel-card__head h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .channel-card__badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 8px;
  color: var(--ink-900);
  background: var(--lime-500);
}

.page-contact .badge--cyan {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--cyan);
}

.page-contact .badge--amber {
  background: transparent;
  color: var(--amber-200);
  border: 1px solid var(--amber-500);
}

.page-contact .channel-card__value {
  margin: 0;
  font-size: clamp(15px, 2.4vw, 19px);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--lime-300);
  word-break: break-all;
}

.page-contact .channel-card--phone .channel-card__value { color: var(--cyan); }
.page-contact .channel-card--addr .channel-card__value--addr {
  color: var(--amber-200);
  word-break: normal;
  font-size: 15px;
  line-height: 1.6;
}

.page-contact .channel-card__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--white);
}

.page-contact .channel-card__meta {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .hero-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--glass-edge);
  background: var(--ink-800);
  box-shadow: var(--pc-shadow);
}

.page-contact .hero-panel__mark {
  position: absolute;
  top: 12px;
  right: 14px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--lime-300);
  background: rgba(5, 19, 31, 0.72);
  padding: 4px 8px;
}

.page-contact .hero-visual {
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.page-contact .hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.78;
  filter: saturate(0.9);
}

.page-contact .hero-mail {
  padding: clamp(18px, 2.6vw, 28px);
  border-top: 1px solid var(--glass-edge);
  background: linear-gradient(180deg, rgba(18, 51, 73, 0.72), rgba(11, 35, 52, 0.94));
}

.page-contact .hero-mail h2 {
  margin: 0 0 12px;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .hero-mail__addr {
  margin: 0 0 12px;
  font-size: clamp(15px, 2.6vw, 20px);
  color: var(--lime-500);
  word-break: break-all;
  border-bottom: 1px dashed var(--pc-line);
  padding-bottom: 10px;
}

.page-contact .hero-mail__hint {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .hero-mail .btn {
  width: 100%;
  text-align: center;
}

/* ---------- 写信提示与类型切换 ---------- */
.page-contact .compose-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .compose-text h2,
.page-contact .router-head h2,
.page-contact .hours-intro h2,
.page-contact .visit-card h2 {
  margin: 0;
  font-size: clamp(24px, 4.2vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .compose-lede,
.page-contact .router-lede,
.page-contact .hours-intro p {
  margin: 12px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .tips {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-contact .tips li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .tips li:last-child {
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .tips__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime-500);
  padding-top: 3px;
}

.page-contact .tips h3 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 800;
  color: var(--white);
}

.page-contact .tips p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .compose-figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border: 1px solid var(--pc-line-soft);
}

.page-contact .compose-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.86;
}

.page-contact .compose-switch {
  padding: clamp(16px, 2.4vw, 26px);
  background: var(--glass-bg);
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(8px);
  align-self: start;
}

.page-contact .switch-caption {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .switch-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .switch-tab {
  cursor: pointer;
  padding: 8px 14px;
  font-size: 13px;
  line-height: 1.3;
  color: var(--mist);
  background: rgba(5, 19, 31, 0.5);
  border: 1px solid var(--pc-line-soft);
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.page-contact .switch-tab:hover {
  color: var(--white);
  border-color: var(--lime-500);
}

.page-contact .ask-radio:focus-visible ~ .switch-tabs .switch-tab {
  outline: 2px solid var(--lime-300);
  outline-offset: 2px;
}

.page-contact #ask-entry:checked ~ .switch-tabs .switch-tab[for="ask-entry"],
.page-contact #ask-fee:checked ~ .switch-tabs .switch-tab[for="ask-fee"],
.page-contact #ask-version:checked ~ .switch-tabs .switch-tab[for="ask-version"],
.page-contact #ask-doc:checked ~ .switch-tabs .switch-tab[for="ask-doc"] {
  color: var(--ink-900);
  background: var(--lime-500);
  border-color: var(--lime-500);
  font-weight: 700;
}

.page-contact .switch-panels {
  margin-top: 18px;
  border-top: 1px solid var(--pc-line-soft);
  padding-top: 16px;
}

.page-contact .switch-panel {
  display: none;
}

.page-contact #ask-entry:checked ~ .switch-panels .switch-panel[data-panel="entry"],
.page-contact #ask-fee:checked ~ .switch-panels .switch-panel[data-panel="fee"],
.page-contact #ask-version:checked ~ .switch-panels .switch-panel[data-panel="version"],
.page-contact #ask-doc:checked ~ .switch-panels .switch-panel[data-panel="doc"] {
  display: block;
  animation: pc-fade 220ms ease-out both;
}

@keyframes pc-fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-contact .switch-panel__lead {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--white);
}

.page-contact .switch-panel p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .switch-panel__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  padding-bottom: 2px;
  font-size: 13px;
  color: var(--lime-300);
  text-decoration: none;
  border-bottom: 1px solid var(--pc-line);
  transition: border-color 160ms ease, color 160ms ease;
}

.page-contact .switch-panel__link:hover,
.page-contact .switch-panel__link:focus-visible {
  color: var(--lime-500);
  border-color: var(--lime-500);
}

/* ---------- 自助分流 ---------- */
.page-contact .router-lede {
  margin-top: 10px;
}

.page-contact .router-grid {
  display: grid;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .router-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  text-decoration: none;
  color: var(--white);
  background: var(--pc-glass);
  border: 1px solid var(--pc-line-soft);
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.page-contact .router-row:hover,
.page-contact .router-row:focus-visible {
  background: var(--pc-glass-hover);
  border-color: var(--lime-500);
  transform: translateX(3px);
}

.page-contact .router-row__tag {
  flex: 0 0 auto;
  margin-top: 2px;
}

.page-contact .router-row__body {
  display: grid;
  gap: 4px;
  flex: 1 1 auto;
  min-width: 0;
}

.page-contact .router-row__title {
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
}

.page-contact .router-row__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .router-row__arrow {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  color: var(--lime-500);
  transition: transform 180ms ease;
}

.page-contact .router-row:hover .router-row__arrow {
  transform: translateX(4px);
}

/* ---------- 回复时间 ---------- */
.page-contact .hours-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  border-top: 1px solid var(--pc-line-soft);
  padding-top: clamp(24px, 3.4vw, 40px);
}

.page-contact .hours-strip {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
  padding: 16px 18px 30px;
  background: var(--pc-glass);
  border: 1px solid var(--pc-line-soft);
}

.page-contact .hours-strip::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 12px;
  height: 6px;
  background: repeating-linear-gradient(
    90deg,
    var(--pc-line-soft) 0 1px,
    transparent 1px 22px
  );
}

.page-contact .hours-strip__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .hours-strip__time {
  font-size: 15px;
  color: var(--lime-300);
}

.page-contact .hours-strip__dash {
  flex: 1 1 auto;
  height: 1px;
  background: var(--pc-line);
}

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

.page-contact .hours-list li {
  padding: 14px 0 14px 16px;
  border-left: 2px solid var(--pc-line);
}

.page-contact .hours-list li:first-child {
  border-left-color: var(--lime-500);
}

.page-contact .hours-list h3 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 800;
  color: var(--white);
}

.page-contact .hours-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 地址 ---------- */
.page-contact .visit-card {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(20px, 3vw, 36px);
  background: var(--ink-700);
  border: 1px solid var(--pc-line);
  border-top: 2px solid var(--amber-500);
}

.page-contact .visit-card__addr {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: var(--amber-200);
}

.page-contact .visit-card__note {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .visit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .visit-list li {
  padding-left: 14px;
  border-left: 1px solid var(--pc-line);
}

.page-contact .visit-list h3 {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 800;
  color: var(--white);
}

.page-contact .visit-list p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .router-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-contact .visit-card {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: start;
  }

  .page-contact .channel-stack {
    gap: 10px;
  }

  .page-contact .channel-card {
    min-height: 168px;
  }

  .page-contact .channel-card--phone {
    min-height: 148px;
    margin-left: clamp(10px, 1.8vw, 26px);
    margin-right: clamp(0px, 1.8vw, 20px);
  }

  .page-contact .channel-card--addr {
    min-height: 132px;
    margin-left: clamp(20px, 3.6vw, 52px);
    margin-right: clamp(0px, 3.6vw, 42px);
  }

  .page-contact .compose-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
  }

  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .router-row,
  .page-contact .router-row__arrow,
  .page-contact .switch-tab,
  .page-contact .switch-panel {
    transition: none;
    animation: none;
    transform: none;
  }
}
<<<END>>>