.page-contact {
  background: var(--paper);
  color: var(--slate);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-abyss);
  color: var(--paper);
  padding: calc(var(--baseline) * 6) 0 calc(var(--baseline) * 8);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(46, 230, 214, 0.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(46, 230, 214, 0.09) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--coral);
  opacity: 0.9;
}

.page-contact .contact-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-crumb {
  margin-bottom: calc(var(--baseline) * 5);
}

.page-contact .contact-crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-mist);
}

.page-contact .contact-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(185, 242, 237, 0.5);
}

.page-contact .contact-crumb a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease);
}

.page-contact .contact-crumb a:hover,
.page-contact .contact-crumb a:focus-visible {
  border-bottom-color: var(--coral);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: calc(var(--baseline) * 5);
}

.page-contact .contact-kicker {
  margin: 0 0 calc(var(--baseline) * 2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 8.6vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: calc(var(--baseline) * 3) 0 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(245, 248, 249, 0.86);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: calc(var(--baseline) * 4);
}

.page-contact .contact-hero__meta {
  margin: 0;
  border-top: 1px solid rgba(46, 230, 214, 0.35);
}

.page-contact .contact-hero__meta > div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid rgba(46, 230, 214, 0.22);
}

.page-contact .contact-hero__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .contact-hero__meta dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--paper);
}

/* ---------- 通用标题 ---------- */
.page-contact .contact-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--deep-sea);
}

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

.page-contact .contact-h2--light {
  color: var(--paper);
}

.page-contact .contact-intro {
  margin: calc(var(--baseline) * 2) 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .contact-intro--ink {
  color: var(--slate);
}

.page-contact .contact-intro--light {
  color: rgba(245, 248, 249, 0.82);
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-reach {
  padding: calc(var(--baseline) * 8) 0;
  background: var(--paper);
}

.page-contact .contact-reach__grid {
  display: grid;
  gap: calc(var(--baseline) * 6);
}

.page-contact .reach-list {
  list-style: none;
  margin: calc(var(--baseline) * 5) 0 0;
  padding: 0;
  display: grid;
  gap: calc(var(--baseline) * 4);
}

.page-contact .reach-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--grid);
}

.page-contact .reach-item__num {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--ocean-mid);
  padding-top: 4px;
}

.page-contact .reach-item__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--deep-sea);
}

.page-contact .reach-item__value {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink-abyss);
}

.page-contact .reach-item__value--mono {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1rem, 3.6vw, 1.5rem);
  letter-spacing: 0.01em;
  line-height: 1.4;
  color: var(--deep-sea);
  border-bottom: 2px solid var(--coral);
  padding-bottom: 3px;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .reach-item__note {
  margin: 12px 0 0;
  max-width: 54ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .reach-figure {
  margin: calc(var(--baseline) * 5) 0 0;
  border: 1px solid var(--grid);
}

.page-contact .reach-figure img,
.page-contact .contact-flow__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 流程刻度 ---------- */
.page-contact .contact-flow {
  background: var(--deep-sea);
  color: var(--paper);
  padding: calc(var(--baseline) * 4) calc(var(--baseline) * 2.5) calc(var(--baseline) * 4);
  border-top: 3px solid var(--cyan);
}

.page-contact .contact-flow__title {
  margin: 0 0 calc(var(--baseline) * 3);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 4.2vw, 1.75rem);
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .contact-flow__figure {
  margin: 0 0 calc(var(--baseline) * 4);
  border: 1px solid rgba(46, 230, 214, 0.32);
}

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: calc(var(--baseline) * 3.5);
}

.page-contact .flow-step {
  position: relative;
  padding-left: 30px;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 11px;
  height: 11px;
  background: var(--coral);
}

.page-contact .flow-step::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 22px;
  bottom: calc(var(--baseline) * -3.5);
  width: 1px;
  background: rgba(46, 230, 214, 0.45);
}

.page-contact .flow-step:last-child::after {
  display: none;
}

.page-contact .flow-step__title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .flow-step__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(245, 248, 249, 0.8);
}

/* ---------- 邮件清单 ---------- */
.page-contact .contact-checklist {
  padding: calc(var(--baseline) * 8) 0;
  background: var(--sage);
}

.page-contact .contact-checklist__head {
  max-width: 68ch;
}

.page-contact .mail-list {
  list-style: none;
  margin: calc(var(--baseline) * 5) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(20, 35, 46, 0.18);
  border: 1px solid rgba(20, 35, 46, 0.18);
}

.page-contact .mail-item {
  background: var(--paper);
  padding: calc(var(--baseline) * 3) calc(var(--baseline) * 2.5);
}

.page-contact .mail-item__num {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--coral);
  margin-bottom: 10px;
}

.page-contact .mail-item__title {
  margin: 0 0 8px;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--deep-sea);
}

.page-contact .mail-item__text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 场景切换 ---------- */
.page-contact .contact-scenes {
  padding: calc(var(--baseline) * 8) 0;
  background: var(--ink-abyss);
  color: var(--paper);
}

.page-contact .scene-tabs {
  margin-top: calc(var(--baseline) * 5);
}

.page-contact .scene-tabs__list {
  display: grid;
  gap: 1px;
  background: rgba(46, 230, 214, 0.28);
  border: 1px solid rgba(46, 230, 214, 0.28);
}

.page-contact .scene-tab {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 44px;
  padding: 14px 16px;
  border: 0;
  background: var(--ink-abyss);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: background-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .scene-tab__num {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .scene-tab:hover {
  background: var(--deep-sea);
}

.page-contact .scene-tab[aria-selected="true"] {
  background: var(--coral);
  color: #1B0A04;
}

.page-contact .scene-tab[aria-selected="true"] .scene-tab__num {
  color: #1B0A04;
}

.page-contact .scene-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-contact .scene-panel {
  margin-top: calc(var(--baseline) * 3);
  padding: calc(var(--baseline) * 3) calc(var(--baseline) * 2.5);
  background: var(--paper);
  color: var(--slate);
  border-left: 4px solid var(--coral);
}

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

.page-contact .scene-panel:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .scene-panel__title {
  margin: 0 0 calc(var(--baseline) * 1.5);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.15rem, 3.6vw, 1.45rem);
  line-height: 1.3;
  color: var(--deep-sea);
}

.page-contact .scene-panel__text {
  margin: 0;
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.85;
}

.page-contact .scene-panel__path {
  margin: calc(var(--baseline) * 2) 0 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--ocean-mid);
}

.page-contact .scene-panel__path a {
  color: var(--deep-sea);
  text-decoration: none;
  border-bottom: 1px solid var(--coral);
}

.page-contact .scene-panel__path a:hover,
.page-contact .scene-panel__path a:focus-visible {
  border-bottom-width: 2px;
}

.page-contact .scene-sample {
  margin: calc(var(--baseline) * 2.5) 0 0;
  padding: calc(var(--baseline) * 2) calc(var(--baseline) * 2);
  background: var(--coral-tint);
  color: var(--slate);
  font-size: 0.92rem;
  line-height: 1.85;
}

.page-contact .scene-sample__label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--deep-sea);
}

/* ---------- 服务时段 ---------- */
.page-contact .contact-hours {
  padding: calc(var(--baseline) * 8) 0 calc(var(--baseline) * 9);
  background: var(--paper);
}

.page-contact .hours-bar {
  display: grid;
  gap: calc(var(--baseline) * 2.5);
  padding: calc(var(--baseline) * 3) 0 calc(var(--baseline) * 3) calc(var(--baseline) * 2.5);
  border-left: 4px solid var(--coral);
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
}

.page-contact .hours-bar__title {
  font-size: clamp(1.4rem, 4.6vw, 2rem);
}

.page-contact .hours-bar__body p {
  margin: 0;
  max-width: 64ch;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .hours-bar__body p + p {
  margin-top: calc(var(--baseline) * 2);
}

.page-contact .hours-bar__body a {
  color: var(--deep-sea);
  text-decoration: none;
  border-bottom: 1px solid var(--coral);
}

.page-contact .hours-bar__body a:hover,
.page-contact .hours-bar__body a:focus-visible {
  border-bottom-width: 2px;
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-hero {
    padding: calc(var(--baseline) * 8) 0 calc(var(--baseline) * 10);
  }

  .page-contact .contact-hero::before {
    background-size: 88px 88px;
  }

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

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

  .page-contact .hours-bar {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.6fr);
    gap: calc(var(--baseline) * 4);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: calc(var(--baseline) * 7);
    align-items: end;
  }

  .page-contact .contact-hero__meta {
    border-top-color: rgba(46, 230, 214, 0.45);
  }

  .page-contact .contact-reach__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: calc(var(--baseline) * 7);
    align-items: start;
  }

  .page-contact .contact-flow {
    padding: calc(var(--baseline) * 4.5) calc(var(--baseline) * 3.5);
  }

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

  .page-contact .scene-tabs__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .scene-tab {
    flex-direction: column;
    gap: 6px;
    padding: 20px 18px;
  }

  .page-contact .scene-panel {
    padding: calc(var(--baseline) * 4) calc(var(--baseline) * 4);
  }
}