.page-contact {
  --pc-line: rgba(234, 242, 250, 0.14);
  --pc-gold-soft: rgba(217, 169, 76, 0.45);
  padding-bottom: 0;
  color: var(--frost);
}

.page-contact .breadcrumbs {
  padding-top: 18px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--graphite);
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .breadcrumbs a {
  color: var(--graphite);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
}

.page-contact .breadcrumbs li[aria-current] {
  color: var(--gold-soft);
}

/* ---------- 首屏联络卡 ---------- */
.page-contact .contact-hero {
  padding: clamp(20px, 4vw, 44px) 0 clamp(28px, 5vw, 64px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .contact-hero__card {
  position: relative;
  padding: clamp(20px, 4vw, 44px);
  border: 1px solid var(--gold-line);
  border-radius: 4px;
  background:
    linear-gradient(160deg, rgba(18, 70, 60, 0.94) 0%, rgba(11, 26, 43, 0.92) 62%, rgba(42, 36, 80, 0.9) 100%);
  box-shadow: inset 0 1px 0 var(--glass-strong), 0 24px 60px rgba(4, 10, 18, 0.55);
  overflow: hidden;
}

.page-contact .contact-hero__card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), transparent 70%);
}

.page-contact .eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .contact-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(28px, 6.2vw, 54px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--frost);
  text-wrap: balance;
}

.page-contact .contact-hero__lead {
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 54ch;
  font-family: var(--font-body);
  font-size: clamp(14px, 2.6vw, 17px);
  line-height: 1.75;
  color: rgba(234, 242, 250, 0.82);
}

.page-contact .mail-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: clamp(14px, 2.6vw, 22px) clamp(14px, 2.6vw, 24px);
  border: 1px solid var(--pc-line);
  border-left: 2px solid var(--gold);
  border-radius: 3px;
  background: var(--glass);
  backdrop-filter: blur(6px);
}

.page-contact .mail-block__label {
  flex-basis: 100%;
  margin: 0;
  color: var(--graphite);
}

.page-contact .mail-block__addr {
  flex: 1 1 240px;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.9vw, 32px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--gold-soft);
  word-break: break-all;
}

.page-contact .mail-block .copy-btn {
  flex: 0 0 auto;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 10px 18px;
  border-radius: 2px;
  cursor: pointer;
}

.page-contact .contact-hero__hint {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .channel-list {
  display: grid;
  gap: 14px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-top: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--pc-line);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .channel-item {
  margin: 0;
  padding-left: 14px;
  border-left: 1px solid var(--gold-line);
}

.page-contact .channel-label {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .channel-value {
  margin: 0 0 6px;
  font-size: clamp(15px, 2.8vw, 18px);
  font-weight: 700;
  color: var(--frost);
  word-break: break-word;
}

.page-contact .channel-value.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-contact .channel-use {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(234, 242, 250, 0.66);
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--gold-line);
  border-radius: 4px;
  overflow: hidden;
  background: linear-gradient(150deg, var(--indigo), var(--felt));
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(190px, 42vw, 100%);
  object-fit: cover;
  opacity: 0.9;
}

.page-contact .contact-hero__figure figcaption {
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold-soft);
  background: rgba(11, 26, 43, 0.72);
  border: 1px solid var(--gold-line);
  border-radius: 2px;
}

/* ---------- 回复时段 ---------- */
.page-contact .contact-window {
  padding: clamp(30px, 5vw, 64px) 0;
  background: linear-gradient(180deg, rgba(42, 36, 80, 0.9), rgba(11, 26, 43, 0.2));
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .contact-window__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .contact-window__head h2,
.page-contact .contact-topics__head h2,
.page-contact .contact-check__head h2,
.page-contact .contact-fast__head h2,
.page-contact .contact-base h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.4vw, 36px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--frost);
}

.page-contact .contact-window__head p,
.page-contact .contact-topics__head p,
.page-contact .contact-check__head p,
.page-contact .contact-fast__head p {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(13.5px, 2.4vw, 16px);
  line-height: 1.8;
  color: rgba(234, 242, 250, 0.74);
}

.page-contact .window-grid {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: minmax(0, 1fr);
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
}

.page-contact .window-cell {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 3vw, 26px);
  background: rgba(18, 70, 60, 0.55);
}

.page-contact .window-num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 5vw, 34px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--gold);
  word-break: break-word;
}

.page-contact .window-key {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--frost);
}

.page-contact .window-desc {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(234, 242, 250, 0.7);
}

/* ---------- 四类主题 ---------- */
.page-contact .contact-topics {
  padding: clamp(32px, 5vw, 68px) 0 clamp(20px, 3vw, 36px);
}

.page-contact .contact-topics__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .topic-stack {
  display: grid;
  gap: 10px;
}

.page-contact .topic-card {
  border: 1px solid var(--pc-line);
  border-left: 2px solid var(--felt-2);
  border-radius: 3px;
  background: rgba(18, 70, 60, 0.42);
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-contact .topic-card[open] {
  border-left-color: var(--gold);
  background: rgba(18, 70, 60, 0.62);
}

.page-contact .topic-card summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: clamp(14px, 2.6vw, 20px) clamp(14px, 2.6vw, 22px);
  cursor: pointer;
  list-style: none;
}

.page-contact .topic-card summary::-webkit-details-marker {
  display: none;
}

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

.page-contact .topic-card[open] summary::after {
  content: "–";
}

.page-contact .topic-index {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-contact .topic-name {
  font-family: var(--font-display);
  font-size: clamp(16px, 3vw, 21px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-contact .topic-tag {
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 3px 8px;
  border: 1px solid var(--gold-line);
  border-radius: 2px;
  color: var(--gold-soft);
  white-space: nowrap;
}

.page-contact .topic-body {
  padding: 0 clamp(14px, 2.6vw, 22px) clamp(16px, 2.6vw, 22px);
  border-top: 1px solid var(--pc-line);
}

.page-contact .topic-body p {
  margin: 14px 0 0;
  font-size: clamp(13.5px, 2.4vw, 15.5px);
  line-height: 1.8;
  color: rgba(234, 242, 250, 0.8);
}

.page-contact .topic-points {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .topic-points li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(234, 242, 250, 0.72);
}

.page-contact .topic-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--gold);
}

.page-contact .topic-link {
  margin-top: 14px;
  font-size: 13px;
  color: var(--graphite);
}

.page-contact .topic-link a,
.page-contact .contact-fast__more a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
}

/* ---------- 自查清单 ---------- */
.page-contact .contact-check {
  padding: clamp(18px, 3vw, 32px) 0 clamp(32px, 5vw, 60px);
}

.page-contact .contact-check__inner {
  padding: clamp(20px, 4vw, 44px);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 20px 50px rgba(4, 10, 18, 0.45);
}

.page-contact .contact-check__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-contact .contact-check__head h2 {
  color: var(--ink);
}

.page-contact .contact-check__head p {
  color: rgba(11, 26, 43, 0.7);
}

.page-contact .check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-contact .check-list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  font-size: clamp(13.5px, 2.4vw, 15px);
  line-height: 1.75;
  color: rgba(11, 26, 43, 0.86);
  border: 1px solid rgba(11, 26, 43, 0.12);
  border-left: 2px solid var(--gold);
  background: rgba(255, 255, 255, 0.45);
}

.page-contact .check-no {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  background: var(--gold);
  border-radius: 2px;
}

/* ---------- 快链 ---------- */
.page-contact .contact-fast {
  padding: clamp(28px, 4vw, 52px) 0 clamp(30px, 5vw, 60px);
  border-top: 1px solid var(--pc-line);
}

.page-contact .contact-fast__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .fast-grid {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .fast-card {
  display: grid;
  gap: 8px;
  height: 100%;
  padding: clamp(14px, 2.6vw, 20px);
  text-decoration: none;
  border: 1px solid var(--pc-line);
  border-top: 2px solid var(--gold-line);
  border-radius: 3px;
  background: var(--glass);
  transition: background-color 180ms ease, border-color 180ms ease;
}

.page-contact .fast-card:hover,
.page-contact .fast-card:focus-visible {
  background: var(--glass-strong);
  border-top-color: var(--gold);
  outline: none;
}

.page-contact .fast-title {
  font-family: var(--font-display);
  font-size: clamp(15px, 2.8vw, 18px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-contact .fast-desc {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(234, 242, 250, 0.68);
}

.page-contact .contact-fast__more {
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--graphite);
}

/* ---------- 公示信息 ---------- */
.page-contact .contact-base {
  position: relative;
  margin-top: clamp(10px, 2vw, 20px);
  border-top: 1px solid var(--gold-line);
  overflow: hidden;
}

.page-contact .contact-base__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
}

.page-contact .contact-base::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 26, 43, 0.96), rgba(11, 26, 43, 0.82));
}

.page-contact .contact-base__inner {
  position: relative;
  z-index: 1;
  padding: clamp(28px, 4vw, 52px) 0 clamp(32px, 5vw, 56px);
}

.page-contact .contact-base h2 {
  font-size: clamp(18px, 3.2vw, 24px);
  margin-bottom: 16px;
}

.page-contact .base-list {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .base-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .base-row dt {
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--graphite);
}

.page-contact .base-row dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(234, 242, 250, 0.82);
  word-break: break-word;
}

.page-contact .base-row dd.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--gold-soft);
}

.page-contact .base-note {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 12px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .base-top {
  display: inline-block;
  margin-top: 18px;
  padding: 9px 18px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-decoration: none;
  color: var(--gold-soft);
  border: 1px solid var(--gold-line);
  border-radius: 2px;
}

.page-contact .base-top:hover,
.page-contact .base-top:focus-visible {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
  outline: none;
}

@media (min-width: 640px) {
  .page-contact .fast-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .window-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .base-row {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
    align-items: stretch;
  }

  .page-contact .contact-hero__figure img {
    height: 100%;
    min-height: 420px;
  }

  .page-contact .channel-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .contact-window__head,
  .page-contact .contact-topics__head,
  .page-contact .contact-check__head,
  .page-contact .contact-fast__head {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: end;
    gap: 32px;
  }

  .page-contact .topic-card summary {
    gap: 20px;
  }

  .page-contact .topic-tag {
    margin-left: 8px;
  }

  .page-contact .check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .fast-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .fast-grid li:first-child {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .topic-card,
  .page-contact .fast-card {
    transition: none;
  }
}
<<<END>>>