.page-contact {
  display: block;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact .contact-crumbs {
  padding-top: clamp(14px, 2.2vw, 24px);
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: currentColor;
  margin: 0 0 0.45em;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(30px, 5vw, 60px) clamp(48px, 6vw, 88px);
  background:
    radial-gradient(115% 88% at 8% 0%, rgba(28, 69, 102, 0.9) 0%, rgba(11, 27, 43, 0) 62%),
    linear-gradient(155deg, #12304A 0%, #0B1B2B 72%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(255, 255, 255, 0.028) 0 1px, transparent 1px 16px);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 5vw, 46px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0.5em 0 0.55em;
  max-width: 22ch;
}

.page-contact .contact-hero .lede {
  max-width: 38em;
  color: var(--mist);
  line-height: 1.85;
  margin: 0;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .contact-hero__figure {
  margin: 0;
  box-shadow: 0 34px 76px -46px rgba(0, 0, 0, 0.95);
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

/* ---------- 三件事卡片 ---------- */
.page-contact .contact-quick {
  padding-block: clamp(44px, 6vw, 76px);
  background: linear-gradient(180deg, #0E2233 0%, #0B1B2B 100%);
  border-top: 1px solid rgba(138, 106, 71, 0.28);
}

.page-contact .contact-quick .section-title {
  margin-bottom: clamp(22px, 3vw, 34px);
  font-size: clamp(22px, 3vw, 30px);
}

.page-contact .quick-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

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

.page-contact .quick-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 184px;
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(138, 106, 71, 0.32);
  background: linear-gradient(165deg, rgba(28, 69, 102, 0.85) 0%, rgba(18, 48, 74, 0.95) 100%);
}

.page-contact .quick-card--mail {
  border-color: rgba(200, 162, 74, 0.55);
  background: linear-gradient(165deg, rgba(28, 69, 102, 0.95) 0%, rgba(11, 27, 43, 0.98) 100%);
}

.page-contact .quick-card--hours {
  background: linear-gradient(165deg, rgba(18, 48, 74, 0.92) 0%, rgba(11, 27, 43, 0.98) 100%);
}

.page-contact .quick-card--pace {
  background: linear-gradient(165deg, rgba(63, 127, 122, 0.32) 0%, rgba(11, 27, 43, 0.98) 100%);
}

.page-contact .quick-mail {
  margin: 0;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Noto Sans Mono", monospace;
  font-size: clamp(15px, 2.1vw, 18px);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--gold-hi);
  word-break: break-all;
}

.page-contact .quick-hours {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 32px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

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

/* ---------- 来信要点 ---------- */
.page-contact .contact-topics {
  padding-block: clamp(48px, 7vw, 92px);
  background:
    radial-gradient(90% 60% at 88% 0%, rgba(18, 48, 74, 0.78) 0%, rgba(11, 27, 43, 0) 70%),
    var(--ink-900);
}

.page-contact .contact-topics__head {
  max-width: var(--measure);
}

.page-contact .contact-topics__head .lede {
  margin: 0;
  color: var(--mist);
  line-height: 1.85;
}

.page-contact .topics-layout {
  display: grid;
  gap: clamp(26px, 3.6vw, 46px);
  margin-top: clamp(28px, 4vw, 48px);
}

@media (min-width: 900px) {
  .page-contact .topics-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }
  .page-contact .topics-aside {
    position: sticky;
    top: 96px;
  }
}

.page-contact .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(138, 106, 71, 0.3);
}

.page-contact .tab {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid rgba(138, 106, 71, 0.45);
  background: rgba(28, 69, 102, 0.35);
  color: var(--mist);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .tab:hover {
  border-color: rgba(200, 162, 74, 0.7);
  color: var(--paper);
}

.page-contact .tab[aria-selected="true"] {
  background: linear-gradient(135deg, rgba(200, 162, 74, 0.92), rgba(232, 199, 122, 0.88));
  border-color: transparent;
  color: var(--ink-900);
  font-weight: 700;
}

.page-contact .tab:focus-visible {
  outline: 2px solid var(--gold-hi);
  outline-offset: 3px;
}

.page-contact .tabpanel {
  padding-top: clamp(20px, 3vw, 30px);
}

.page-contact .tabpanel[hidden] {
  display: none;
}

.page-contact .tabpanel:focus-visible {
  outline: 2px solid rgba(200, 162, 74, 0.55);
  outline-offset: 6px;
  border-radius: var(--radius-sm);
}

.page-contact .panel-suggest-label {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--copper);
}

.page-contact .panel-suggest {
  display: inline-block;
  margin: 0 0 clamp(18px, 3vw, 26px);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--gold-hi), var(--gold));
  color: var(--ink-900);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
}

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

.page-contact .panel-list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(138, 106, 71, 0.2);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .panel-list li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-contact .panel-num {
  padding-top: 3px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-contact .topics-figure {
  margin: 0;
}

.page-contact .topics-aside__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 联络节点 ---------- */
.page-contact .contact-node {
  padding-block: clamp(48px, 7vw, 92px);
  background: var(--paper);
  color: var(--ink-900);
  border-radius: clamp(24px, 4vw, 40px) clamp(24px, 4vw, 40px) 0 0;
}

.page-contact .contact-node .eyebrow {
  color: var(--copper);
}

.page-contact .node-grid {
  display: grid;
  gap: clamp(28px, 4vw, 54px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-contact .node-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

.page-contact .contact-node .prose {
  margin: 0;
  color: var(--ink-700);
  line-height: 1.85;
}

.page-contact .node-facts {
  margin: clamp(22px, 3vw, 32px) 0 0;
  display: grid;
  gap: 14px;
}

.page-contact .node-facts > div {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(138, 106, 71, 0.25);
}

.page-contact .node-facts dt {
  padding-top: 2px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--copper);
}

.page-contact .node-facts dd {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--ink-800);
  word-break: break-word;
}

.page-contact .node-map {
  padding: clamp(18px, 3vw, 28px);
  border-radius: var(--radius-lg);
  background: var(--mist);
  border: 1px solid rgba(138, 106, 71, 0.3);
}

.page-contact .node-map svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 渠道与内容合作 ---------- */
.page-contact .contact-collab {
  padding-block: clamp(48px, 7vw, 92px);
  background: linear-gradient(180deg, #0B1B2B 0%, #12304A 140%);
}

.page-contact .contact-collab .eyebrow {
  margin-bottom: 10px;
}

.page-contact .collab-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 26px);
  margin-top: clamp(26px, 4vw, 44px);
}

@media (min-width: 780px) {
  .page-contact .collab-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .collab-card {
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(138, 106, 71, 0.3);
  background: rgba(18, 48, 74, 0.62);
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .collab-card:hover {
  transform: translateY(-3px);
  border-color: rgba(200, 162, 74, 0.55);
}

.page-contact .collab-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .collab-card p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .collab-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .collab-card li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .collab-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.85;
}

/* ---------- 回复时效 ---------- */
.page-contact .contact-pace {
  padding-block: clamp(48px, 7vw, 92px);
  background: var(--mist);
  color: var(--ink-900);
}

.page-contact .contact-pace .eyebrow {
  color: var(--copper);
}

.page-contact .pace-list {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  border-top: 1px solid rgba(138, 106, 71, 0.4);
}

.page-contact .pace-item {
  display: grid;
  gap: 6px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid rgba(138, 106, 71, 0.4);
}

@media (min-width: 760px) {
  .page-contact .pace-item {
    grid-template-columns: 190px 150px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

.page-contact .pace-type {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .pace-time {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--copper);
  font-variant-numeric: tabular-nums;
}

.page-contact .pace-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-contact .pace-follow {
  margin-top: clamp(30px, 4vw, 48px);
  padding: clamp(22px, 3.4vw, 36px);
  border-radius: var(--radius-lg);
  background: var(--paper);
  border: 1px solid rgba(138, 106, 71, 0.35);
}

.page-contact .pace-follow h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .pace-follow ol {
  margin: 0;
  padding-left: 1.25em;
  display: grid;
  gap: 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-700);
}

/* ---------- 页尾延伸 ---------- */
.page-contact .contact-next {
  padding-block: clamp(46px, 6vw, 84px) clamp(56px, 8vw, 100px);
  background: linear-gradient(180deg, #0E2233 0%, #0B1B2B 100%);
}

.page-contact .contact-next .lede {
  max-width: 34em;
  margin: 0;
  color: var(--mist);
  line-height: 1.85;
}

.page-contact .next-links {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

@media (min-width: 700px) {
  .page-contact .next-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-contact .next-link {
  display: block;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(138, 106, 71, 0.35);
  background: rgba(18, 48, 74, 0.5);
  color: var(--paper);
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.page-contact .next-link:hover {
  transform: translateY(-2px);
  border-color: rgba(200, 162, 74, 0.7);
  background: rgba(28, 69, 102, 0.75);
}

.page-contact .next-link:focus-visible {
  outline: 2px solid var(--gold-hi);
  outline-offset: 3px;
}

.page-contact .next-link strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
}

.page-contact .next-link span {
  display: block;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .tab,
  .page-contact .collab-card,
  .page-contact .next-link {
    transition: none;
  }
  .page-contact .collab-card:hover,
  .page-contact .next-link:hover {
    transform: none;
  }
}