.page-contact {
  --contact-rail-w: 320px;
  --contact-gap: 44px;
  background:
    radial-gradient(1100px 520px at 88% -8%, rgba(229, 182, 92, 0.08), transparent 62%),
    radial-gradient(900px 480px at 4% 104%, rgba(58, 203, 176, 0.05), transparent 60%),
    var(--ink-900);
  color: var(--paper-100);
}

.page-contact .contact-shell {
  padding-bottom: 88px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 30px 0 34px;
  border-bottom: 1px solid var(--line-600);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(240px, 42%);
  height: 1px;
  background: linear-gradient(90deg, var(--gold-500), rgba(58, 203, 176, 0));
}

.page-contact .contact-hero__kicker {
  margin: 20px 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.page-contact .contact-hero h1 {
  margin: 0;
  max-width: 17em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 1.15rem + 3.2vw, 3.3rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--paper-100);
}

.page-contact .contact-hero .lead {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--slate-300);
}

/* ---------- 分栏 ---------- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-top: 38px;
}

/* ---------- 左侧联系卡 ---------- */
.page-contact .contact-card {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: linear-gradient(165deg, rgba(23, 35, 58, 0.96), rgba(14, 23, 40, 0.96));
  box-shadow: inset 0 1px 0 rgba(246, 227, 180, 0.14), 0 20px 42px -30px rgba(0, 0, 0, 0.95);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(229, 182, 92, 0.9), rgba(229, 182, 92, 0) 68%);
}

.page-contact .contact-card__head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .contact-card__clock {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal-400);
  animation: contactPulse 2.8s ease-out infinite;
}

.page-contact .contact-card__status {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--teal-400);
}

.page-contact .contact-card__title {
  margin: 12px 0 16px;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper-100);
}

.page-contact .contact-card__list {
  margin: 0;
  display: grid;
  gap: 15px;
}

.page-contact .contact-item dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--slate-300);
}

.page-contact .contact-item dd {
  margin: 5px 0 0;
}

.page-contact .contact-copy {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--gold-200);
  word-break: break-word;
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .contact-item__addr {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--paper-100);
}

.page-contact .contact-card__hint {
  margin: 16px 0 0;
  font-size: 0.76rem;
  line-height: 1.65;
  color: var(--slate-300);
}

.page-contact .contact-card__btn {
  display: block;
  width: 100%;
  margin-top: 14px;
  text-align: center;
}

.page-contact .contact-card__note {
  margin: 12px 0 0;
  font-size: 0.72rem;
  line-height: 1.65;
  color: var(--slate-300);
}

.page-contact .contact-card__note a {
  color: var(--slate-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-card__note a:hover {
  color: var(--gold-200);
}

.page-contact .rail-index {
  margin-top: 18px;
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--line-600);
}

.page-contact .rail-index__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 12px;
  font-size: 0.82rem;
  color: var(--slate-300);
  text-decoration: none;
  transition: color 0.18s ease, background 0.18s ease;
}

.page-contact .rail-index__link:hover,
.page-contact .rail-index__link:focus-visible {
  color: var(--paper-100);
  background: rgba(58, 203, 176, 0.08);
}

.page-contact .rail-index__no {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--gold-500);
}

/* ---------- 右侧内容流 ---------- */
.page-contact .contact-stream {
  min-width: 0;
  display: grid;
  gap: 44px;
}

.page-contact .contact-block {
  margin: 0;
}

.page-contact .section__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.page-contact .section__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.32rem, 1.02rem + 1.1vw, 1.85rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-contact .contact-block__lead {
  margin: 12px 0 20px;
  max-width: 34em;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--slate-300);
}

.page-contact .contact-block__note {
  margin: 18px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--slate-300);
}

/* ---------- 合作方式 ---------- */
.page-contact .way {
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: rgba(23, 35, 58, 0.45);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-contact .way + .way {
  margin-top: 10px;
}

.page-contact .way[open] {
  border-color: rgba(229, 182, 92, 0.55);
  background: rgba(23, 35, 58, 0.82);
}

.page-contact .way summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .way__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
}

.page-contact .way__name {
  font-size: 1rem;
  font-weight: 800;
  color: var(--paper-100);
}

.page-contact .way__for {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--slate-300);
}

.page-contact .way summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--teal-400);
}

.page-contact .way[open] summary::after {
  content: "−";
  color: var(--gold-500);
}

.page-contact .way__body {
  padding: 14px 16px 16px;
  border-top: 1px solid var(--line-600);
}

.page-contact .way__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--paper-100);
}

.page-contact .way__body p + p {
  margin-top: 8px;
}

.page-contact .way__label {
  margin: 16px 0 8px !important;
  font-family: var(--font-mono);
  font-size: 10.5px !important;
  letter-spacing: 0.24em;
  color: var(--teal-400) !important;
}

.page-contact .way__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .way__list li {
  position: relative;
  padding-left: 15px;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--slate-300);
}

.page-contact .way__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: 1px;
  background: var(--gold-500);
}

/* ---------- 流程带 ---------- */
.page-contact .contact-flow {
  position: relative;
  padding: 28px 0 30px;
  border-top: 1px solid var(--line-600);
  border-bottom: 1px solid var(--line-600);
}

.page-contact .contact-flow::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(42, 58, 87, 0.5) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(0deg, rgba(42, 58, 87, 0.32) 0 1px, transparent 1px 46px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 88%);
}

.page-contact .contact-flow > * {
  position: relative;
  z-index: 1;
}

.page-contact .flow__figure {
  margin: 18px 0 24px;
}

.page-contact .flow__figure .figure__frame {
  overflow: hidden;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: var(--ink-800);
}

.page-contact .flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.7;
  color: var(--slate-300);
}

.page-contact .flow__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px 14px;
}

.page-contact .flow-step {
  position: relative;
  padding-top: 15px;
  border-top: 1px solid var(--line-600);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--gold-500);
}

.page-contact .flow-step:first-child::before {
  background: var(--gold-500);
}

.page-contact .flow-step__no {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
}

.page-contact .flow-step__name {
  display: block;
  margin: 7px 0 6px;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--paper-100);
}

.page-contact .flow-step__desc {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.72;
  color: var(--slate-300);
}

.page-contact .flow-step__meta {
  margin: 9px 0 0;
  padding-top: 8px;
  border-top: 1px dashed rgba(58, 203, 176, 0.28);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--teal-400);
}

/* ---------- 联系通道 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-contact .channel-item {
  padding: 18px 0 16px;
  border-top: 1px solid var(--line-600);
}

.page-contact .channel-item:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-contact .channel-item__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--teal-400);
}

.page-contact .channel-item__name {
  margin: 8px 0 0;
  font-size: 1rem;
  font-weight: 800;
  color: var(--paper-100);
}

.page-contact .channel-item__val {
  margin: 6px 0 0;
}

.page-contact .channel-item__desc {
  margin: 10px 0 0;
  max-width: 32em;
  font-size: 0.86rem;
  line-height: 1.78;
  color: var(--slate-300);
}

.page-contact .channel-item__desc a {
  color: var(--teal-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(58, 203, 176, 0.45);
}

.page-contact .channel-item__desc a:hover {
  color: var(--gold-200);
  border-bottom-color: rgba(246, 227, 180, 0.6);
}

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

.page-contact .channel-figure .figure__frame {
  overflow: hidden;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: var(--ink-800);
}

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

.page-contact .hours-panel {
  margin-top: 28px;
  padding: 16px 16px 18px;
  border: 1px dashed rgba(229, 182, 92, 0.4);
  border-radius: var(--radius-m);
  background: linear-gradient(135deg, rgba(229, 182, 92, 0.08), rgba(58, 203, 176, 0.04));
}

.page-contact .hours-panel__head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .hours-panel__head p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--gold-200);
}

.page-contact .hours-grid {
  margin: 15px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
}

.page-contact .hours-item dt {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--slate-300);
}

.page-contact .hours-item dd {
  margin: 5px 0 0;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--paper-100);
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .prep-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 15px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-s);
  background: rgba(14, 23, 40, 0.72);
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-contact .prep-item:hover {
  border-color: rgba(58, 203, 176, 0.45);
  background: rgba(23, 35, 58, 0.8);
}

.page-contact .prep-item input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  flex: none;
  position: relative;
  width: 16px;
  height: 16px;
  margin: 3px 0 0;
  border: 1px solid var(--slate-300);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.page-contact .prep-item input[type="checkbox"]:checked {
  border-color: var(--gold-500);
  background: var(--gold-500);
}

.page-contact .prep-item input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 4px;
  height: 8px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(42deg);
}

.page-contact .prep-item__text {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--slate-300);
}

.page-contact .prep-item__text strong {
  color: var(--paper-100);
  font-weight: 700;
}

.page-contact .prep-note {
  margin: 16px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--slate-300);
}

.page-contact .prep-note a {
  color: var(--teal-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(58, 203, 176, 0.45);
}

.page-contact .prep-note a:hover {
  color: var(--gold-200);
  border-bottom-color: rgba(246, 227, 180, 0.6);
}

/* ---------- 收口行动 ---------- */
.page-contact .contact-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 22px 20px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: linear-gradient(120deg, rgba(229, 182, 92, 0.11), rgba(58, 203, 176, 0.06));
}

.page-contact .contact-cta__text {
  margin: 0;
  max-width: 28em;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--paper-100);
}

.page-contact .contact-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 焦点与动效 ---------- */
.page-contact a:focus-visible,
.page-contact summary:focus-visible,
.page-contact input:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 3px;
}

@keyframes contactPulse {
  0% { box-shadow: 0 0 0 0 rgba(58, 203, 176, 0.38); }
  70% { box-shadow: 0 0 0 7px rgba(58, 203, 176, 0); }
  100% { box-shadow: 0 0 0 0 rgba(58, 203, 176, 0); }
}

/* ---------- 响应式 ---------- */
@media (max-width: 559px) {
  .page-contact .way summary {
    flex-wrap: wrap;
    row-gap: 4px;
  }

  .page-contact .way__for {
    flex-basis: 100%;
    padding-left: 24px;
  }
}

@media (min-width: 620px) {
  .page-contact .flow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .hours-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, var(--contact-rail-w)) minmax(0, 1fr);
    gap: var(--contact-gap);
    align-items: start;
    padding-top: 52px;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: 88px;
  }

  .page-contact .flow__steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0 14px;
  }
}

@media (min-width: 1120px) {
  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    align-items: start;
    gap: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card__clock {
    animation: none;
  }

  .page-contact * {
    transition-duration: 0.01ms !important;
  }
}