.page-contact {
  --contact-line-amber: rgba(201, 154, 60, 0.38);
  --contact-line-dark: rgba(246, 240, 227, 0.16);
  --contact-gap: clamp(22px, 4vw, 48px);
  --contact-plate-bg: linear-gradient(142deg, rgba(30, 74, 59, 0.46) 0%, rgba(8, 24, 19, 0.62) 100%);
  background: var(--paper);
  color: var(--green-deep);
  overflow-x: hidden;
}

.page-contact .shell {
  min-width: 0;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: clamp(26px, 5vw, 58px) 0 clamp(36px, 6vw, 78px);
  background:
    radial-gradient(115% 88% at 86% -6%, rgba(30, 74, 59, 0.92) 0%, rgba(11, 33, 27, 0) 62%),
    radial-gradient(80% 60% at 8% 108%, rgba(110, 43, 51, 0.34) 0%, rgba(8, 24, 19, 0) 70%),
    linear-gradient(168deg, #0b211b 0%, #081813 100%);
  color: var(--paper);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--contact-line-amber) 22%, var(--contact-line-amber) 78%, transparent);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: end;
}

.page-contact .contact-hero__lead {
  min-width: 0;
}

.page-contact .contact-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(18px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  color: rgba(246, 240, 227, 0.58);
}

.page-contact .contact-breadcrumb a {
  color: rgba(246, 240, 227, 0.84);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}

.page-contact .contact-breadcrumb a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-contact .contact-breadcrumb__sep {
  color: var(--amber);
}

.page-contact .contact-hero h1 {
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hero .lede {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.82;
  color: rgba(246, 240, 227, 0.76);
}

.page-contact .contact-jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: clamp(22px, 4vw, 36px) 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--contact-line-dark);
}

.page-contact .contact-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  transition: color 160ms ease;
}

.page-contact .contact-jump a:hover {
  color: var(--amber);
}

.page-contact .contact-jump__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-contact .contact-hero__media {
  margin: 0;
  min-width: 0;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--contact-line-amber);
  border-radius: 4px 4px 40px 4px;
}

.page-contact .contact-hero__media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(246, 240, 227, 0.56);
}

/* ---------- 反馈通道 ---------- */

.page-contact .contact-feedback {
  padding-top: clamp(40px, 7vw, 86px);
  padding-bottom: clamp(40px, 7vw, 86px);
}

.page-contact .contact-section-head {
  max-width: 760px;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-contact .contact-section-head__sub {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(18, 51, 41, 0.78);
}

.page-contact .fb-picker {
  position: relative;
}

.page-contact .fb-picker__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}

.page-contact .fb-picker__labels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-contact .fb-picker__label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  background: var(--paper-old);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--green-deep);
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.page-contact .fb-picker__label:hover {
  border-color: var(--amber);
}

.page-contact .fb-picker__no {
  flex: none;
  padding: 1px 5px;
  border: 1px solid var(--line-amber);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--amber);
}

.page-contact #fb-login:checked ~ .fb-picker__labels label[for="fb-login"],
.page-contact #fb-setup:checked ~ .fb-picker__labels label[for="fb-setup"],
.page-contact #fb-record:checked ~ .fb-picker__labels label[for="fb-record"],
.page-contact #fb-course:checked ~ .fb-picker__labels label[for="fb-course"] {
  background: var(--green-deep);
  border-color: var(--green-deep);
  color: var(--paper);
}

.page-contact #fb-login:focus-visible ~ .fb-picker__labels label[for="fb-login"],
.page-contact #fb-setup:focus-visible ~ .fb-picker__labels label[for="fb-setup"],
.page-contact #fb-record:focus-visible ~ .fb-picker__labels label[for="fb-record"],
.page-contact #fb-course:focus-visible ~ .fb-picker__labels label[for="fb-course"] {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-contact .fb-picker__panels {
  padding: clamp(18px, 3.4vw, 34px);
  border-left: 3px solid var(--amber);
  border-radius: 0 4px 4px 0;
  background: linear-gradient(180deg, rgba(237, 228, 210, 0.78) 0%, rgba(237, 228, 210, 0.3) 100%);
}

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

.page-contact #fb-login:checked ~ .fb-picker__panels .fb-panel--login,
.page-contact #fb-setup:checked ~ .fb-picker__panels .fb-panel--setup,
.page-contact #fb-record:checked ~ .fb-picker__panels .fb-panel--record,
.page-contact #fb-course:checked ~ .fb-picker__panels .fb-panel--course {
  display: block;
}

.page-contact .fb-panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 3.2vw, 26px);
  line-height: 1.35;
  color: var(--green-deep);
}

.page-contact .fb-panel p {
  margin: 0 0 12px;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(18, 51, 41, 0.82);
}

.page-contact .fb-panel .fb-panel__lead {
  margin: 18px 0 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--wine);
}

.page-contact .fb-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .fb-panel__list li {
  position: relative;
  padding: 9px 0 9px 26px;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(18, 51, 41, 0.86);
}

.page-contact .fb-panel__list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 19px;
  width: 10px;
  height: 1px;
  background: var(--amber);
}

.page-contact .fb-picker__hint {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(18, 51, 41, 0.62);
}

/* ---------- 铭牌与步骤 ---------- */

.page-contact .contact-plate {
  padding-top: clamp(42px, 7vw, 90px);
  padding-bottom: clamp(42px, 7vw, 90px);
}

.page-contact .contact-plate__grid {
  display: grid;
  gap: clamp(30px, 5vw, 64px);
  align-items: start;
}

.page-contact .contact-plate__left,
.page-contact .contact-plate__right {
  min-width: 0;
}

.page-contact .contact-plate__title {
  margin: 0;
  color: var(--paper);
}

.page-contact .plate-stack {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3.4vw, 30px);
}

.page-contact .contact-plate__card {
  padding: clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--contact-line-dark);
  border-left: 2px solid var(--amber);
  border-radius: 2px;
  background: var(--contact-plate-bg);
  box-shadow: var(--shadow-plaque);
}

.page-contact .contact-plate__card .plaque__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .contact-plate__card .plaque__value {
  margin: 8px 0 8px;
  font-size: clamp(16px, 2.6vw, 20px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-plate__email {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.8vw, 31px) !important;
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-contact .contact-plate__value--addr {
  font-size: clamp(15px, 2.3vw, 18px) !important;
  font-weight: 500;
}

.page-contact .contact-plate__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: rgba(246, 240, 227, 0.66);
}

.page-contact .contact-tree {
  list-style: none;
  position: relative;
  margin: clamp(22px, 3.6vw, 32px) 0 0;
  padding: 0 0 0 28px;
}

.page-contact .contact-tree::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 22px;
  width: 1px;
  background: linear-gradient(180deg, var(--amber) 0%, rgba(201, 154, 60, 0.18) 100%);
}

.page-contact .contact-tree .tree__node {
  position: relative;
  padding: 0 0 clamp(22px, 3.4vw, 30px);
}

.page-contact .contact-tree .tree__node:last-child {
  padding-bottom: 0;
}

.page-contact .contact-tree .tree__node::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 5px;
  width: 15px;
  height: 15px;
  box-sizing: border-box;
  border-radius: 50%;
  border: 1px solid var(--amber);
  background: radial-gradient(circle, var(--amber) 0 3px, #0b211b 4px);
  transition: box-shadow 260ms var(--ease-drawer), border-color 260ms var(--ease-drawer);
}

.page-contact .contact-tree .tree__node.is-lit::before {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(224, 101, 46, 0.16);
}

.page-contact .contact-tree__no {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-contact .contact-tree__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.4vw, 21px);
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .contact-tree__desc {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(246, 240, 227, 0.72);
}

.page-contact .contact-sla {
  margin-top: clamp(24px, 4vw, 36px);
  padding: clamp(16px, 2.8vw, 24px);
  border: 1px solid var(--contact-line-dark);
  border-top: 2px solid var(--orange);
  border-radius: 2px;
  background: rgba(224, 101, 46, 0.08);
}

.page-contact .contact-sla__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-contact .contact-sla p:last-child {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.82;
  color: rgba(246, 240, 227, 0.82);
}

/* ---------- 到馆路线 ---------- */

.page-contact .contact-route {
  padding-top: clamp(40px, 7vw, 86px);
  padding-bottom: clamp(40px, 7vw, 86px);
}

.page-contact .contact-route__grid {
  display: grid;
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
}

.page-contact .contact-route__media {
  margin: 0;
  min-width: 0;
}

.page-contact .contact-route__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: 32px 4px 4px 4px;
}

.page-contact .contact-route__body {
  min-width: 0;
}

.page-contact .contact-route__intro {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(18, 51, 41, 0.82);
}

.page-contact .contact-hours {
  margin: clamp(20px, 3vw, 28px) 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-hours > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hours dt {
  font-size: 13.5px;
  color: rgba(18, 51, 41, 0.66);
}

.page-contact .contact-hours dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--green-deep);
}

.page-contact .route-switch {
  position: relative;
  margin-top: clamp(20px, 3.2vw, 28px);
}

.page-contact .route-switch__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}

.page-contact .route-switch__tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(18, 51, 41, 0.08);
}

.page-contact .route-switch__tabs label {
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(18, 51, 41, 0.74);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}

.page-contact #route-transit:checked ~ .route-switch__tabs label[for="route-transit"],
.page-contact #route-drive:checked ~ .route-switch__tabs label[for="route-drive"] {
  background: var(--green-deep);
  color: var(--paper);
}

.page-contact #route-transit:focus-visible ~ .route-switch__tabs label[for="route-transit"],
.page-contact #route-drive:focus-visible ~ .route-switch__tabs label[for="route-drive"] {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-contact .route-switch__panel {
  display: none;
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(18, 51, 41, 0.84);
}

.page-contact #route-transit:checked ~ .route-switch__panels .route-switch__panel--transit,
.page-contact #route-drive:checked ~ .route-switch__panels .route-switch__panel--drive {
  display: block;
}

.page-contact .route-map {
  margin-top: clamp(30px, 5vw, 56px);
  padding-top: clamp(20px, 3vw, 26px);
  border-top: 1px solid var(--contact-line-amber);
}

.page-contact .route-map__caption {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: rgba(18, 51, 41, 0.58);
}

.page-contact .route-map__track {
  list-style: none;
  position: relative;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .route-map__track::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, var(--amber) 0%, rgba(201, 154, 60, 0.22) 100%);
}

.page-contact .route-map__stop {
  position: relative;
  padding-left: 34px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--green-deep);
}

.page-contact .route-map__dot {
  position: absolute;
  left: 7px;
  top: 3px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  border-radius: 50%;
  border: 2px solid var(--amber);
  background: var(--paper-old);
}

/* ---------- 延伸入口 ---------- */

.page-contact .contact-more {
  padding-top: clamp(36px, 6vw, 70px);
  padding-bottom: clamp(40px, 7vw, 80px);
}

.page-contact .contact-more__inner {
  max-width: 900px;
}

.page-contact .contact-more__sub {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(18, 51, 41, 0.7);
}

.page-contact .contact-more__links {
  list-style: none;
  margin: clamp(22px, 3.4vw, 30px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-more__links a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 4px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.65;
  color: var(--green-deep);
  text-decoration: none;
  transition: color 160ms ease, padding-left 180ms ease;
}

.page-contact .contact-more__links a:hover {
  color: var(--orange);
  padding-left: 10px;
}

.page-contact .contact-more__arrow {
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--amber);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .fb-picker__labels {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .route-map__track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .route-map__track::before {
    left: 12%;
    right: 12%;
    top: 22px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, rgba(201, 154, 60, 0.22) 0%, var(--amber) 50%, rgba(201, 154, 60, 0.22) 100%);
  }

  .page-contact .route-map__stop {
    padding: 34px 12px 0;
    text-align: center;
  }

  .page-contact .route-map__dot {
    left: 50%;
    top: 16px;
    transform: translateX(-50%);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(30px, 5vw, 66px);
  }

  .page-contact .contact-route__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-plate__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  }
}

@media (max-width: 719px) {
  .page-contact .contact-hero__media img {
    border-radius: 4px 4px 28px 4px;
  }

  .page-contact .contact-plate__email {
    font-size: 21px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-more__links a,
  .page-contact .fb-picker__label,
  .page-contact .contact-tree .tree__node::before {
    transition: none;
  }
}
<<<END>>>