.page-contact {
  --pc-hair: rgba(56, 225, 208, 0.16);
  --pc-hair-soft: rgba(143, 163, 200, 0.16);
  --pc-fill: rgba(11, 22, 48, 0.46);
  background: var(--c-void);
  color: var(--c-paper);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumbs {
  padding-top: calc(var(--header-h) + 20px);
  padding-bottom: 4px;
  background: var(--c-void);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(20px, 4vw, 44px) 0 clamp(48px, 8vw, 96px);
  isolation: isolate;
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(115% 78% at 50% 4%, rgba(11, 22, 48, 0.18) 0%, rgba(11, 22, 48, 0.9) 62%, var(--c-void) 100%);
}

.page-contact .contact-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.page-contact .contact-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 3;
}

.page-contact .contact-hero-head {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.page-contact .contact-hero-head .index-label {
  color: var(--c-neon);
}

.page-contact .contact-hero-head h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.95rem, 5.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 14px 0 16px;
  color: var(--c-paper);
}

.page-contact .contact-lead {
  margin: 0 auto;
  max-width: 60ch;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.78;
  color: var(--c-mist);
}

/* ---------- 首屏网格 ---------- */
.page-contact .contact-hero-grid {
  display: grid;
  gap: clamp(18px, 3.4vw, 32px);
  margin-top: clamp(28px, 5vw, 52px);
}

/* ---------- 玻璃联系卡 ---------- */
.page-contact .contact-card {
  padding: clamp(18px, 3vw, 30px);
  border-radius: var(--radius-l);
  border: 1px solid var(--glass-line);
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-card-hint {
  margin: 12px 0 20px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-contact .contact-channels {
  display: grid;
  gap: 10px;
  margin: 0 0 22px;
  padding: 0 0 22px;
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .contact-channel {
  margin: 0;
  padding: 12px 14px;
  border-radius: var(--radius-m);
  border: 1px solid var(--pc-hair-soft);
  background: rgba(7, 16, 38, 0.5);
}

.page-contact .contact-channel-key {
  display: block;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-contact .contact-channel-val {
  display: block;
  margin: 7px 0 0;
  font-family: var(--font-mono);
  font-size: 0.94rem;
  letter-spacing: 0.03em;
  color: var(--c-neon);
  word-break: break-all;
}

.page-contact .contact-topics-title {
  margin: 0 0 4px;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--c-paper);
}

/* ---------- 主题分流 details ---------- */
.page-contact .contact-topics {
  margin-top: 6px;
}

.page-contact .contact-row {
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .contact-row:last-child {
  border-bottom: 0;
}

.page-contact .contact-row > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 6px;
  cursor: pointer;
  list-style: none;
  border-radius: var(--radius-s);
  transition: background-color 180ms var(--ease);
}

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

.page-contact .contact-row > summary::marker {
  content: "";
}

.page-contact .contact-row > summary:hover {
  background: rgba(56, 225, 208, 0.07);
}

.page-contact .contact-row > summary:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 2px;
}

.page-contact .contact-row-index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-mist);
}

.page-contact .contact-row-icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(56, 225, 208, 0.36);
  color: var(--c-neon);
}

.page-contact .contact-row-icon svg {
  display: block;
  width: 15px;
  height: 15px;
}

.page-contact .contact-row-body {
  flex: 1 1 auto;
  min-width: 0;
}

.page-contact .contact-row-title {
  display: block;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.4;
  color: var(--c-paper);
}

.page-contact .contact-row-note {
  display: block;
  margin-top: 3px;
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--c-mist);
}

.page-contact .contact-row-marker {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-right: 4px;
  border-right: 1px solid var(--c-violet);
  border-bottom: 1px solid var(--c-violet);
  transform: rotate(45deg);
  transition: transform 200ms var(--ease);
}

.page-contact .contact-row[open] .contact-row-marker {
  transform: rotate(-135deg);
}

.page-contact .contact-row-detail {
  padding: 2px 6px 18px 48px;
}

.page-contact .contact-row-detail p {
  margin: 0 0 8px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--c-mist);
}

.page-contact .contact-row-detail code {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-s);
  border: 1px dashed rgba(56, 225, 208, 0.36);
  background: rgba(7, 16, 38, 0.62);
  font-family: var(--font-mono);
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--c-neon);
  word-break: break-all;
}

/* ---------- 邮件模板 ---------- */
.page-contact .contact-template {
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--radius-l);
  background: var(--c-paper);
  color: var(--ink-on-paper);
  border: 1px solid rgba(11, 22, 48, 0.1);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-template > .index-label {
  color: var(--ink-soft-on-paper);
}

.page-contact .contact-template-title {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.2rem, 2.6vw, 1.55rem);
  line-height: 1.28;
  letter-spacing: -0.005em;
  color: var(--ink-on-paper);
}

.page-contact .tmpl-shell {
  border: 1px solid var(--line-on-paper);
  border-radius: var(--radius-m);
  background: #FBF6EC;
  overflow: hidden;
}

.page-contact .tmpl-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin: 0;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line-on-paper);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
}

.page-contact .tmpl-key {
  flex: 0 0 auto;
  color: var(--ink-soft-on-paper);
  letter-spacing: 0.08em;
}

.page-contact .tmpl-val {
  flex: 1 1 160px;
  min-width: 0;
  color: var(--ink-on-paper);
  word-break: break-all;
}

.page-contact .tmpl-body {
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.9;
  color: var(--ink-soft-on-paper);
}

.page-contact .tmpl-body p {
  margin: 0 0 8px;
}

.page-contact .tmpl-body p:last-child {
  margin-bottom: 0;
}

.page-contact .tmpl-body strong {
  color: var(--ink-on-paper);
  font-weight: 500;
}

.page-contact .tmpl-foot {
  margin: 14px 0 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--ink-soft-on-paper);
}

/* ---------- 服务时段区块（暖纸） ---------- */
.page-contact .contact-hours {
  padding: clamp(44px, 7vw, 92px) 0;
  background: var(--c-paper);
  color: var(--ink-on-paper);
}

.page-contact .contact-hours-head {
  max-width: 660px;
}

.page-contact .contact-hours-head .index-label {
  color: var(--ink-soft-on-paper);
}

.page-contact .contact-hours-title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.22;
  letter-spacing: -0.008em;
  color: var(--ink-on-paper);
}

.page-contact .contact-hours-lead {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink-soft-on-paper);
}

.page-contact .contact-hours-body {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(26px, 4vw, 42px);
}

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

.page-contact .contact-hours-figure .figure-media {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line-on-paper);
  background: var(--c-paper-2);
}

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

.page-contact .contact-hours-figure .figure-caption {
  margin-top: 10px;
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--ink-soft-on-paper);
}

.page-contact .contact-hours-clock-title {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft-on-paper);
}

.page-contact .hour-track {
  position: relative;
  height: 14px;
  margin-top: 16px;
  border-radius: var(--radius-pill);
  background: rgba(11, 22, 48, 0.14);
  overflow: hidden;
}

.page-contact .hour-track-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--c-neon), var(--c-violet));
}

.page-contact .hour-labels {
  display: flex;
  justify-content: space-between;
  gap: 2px;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft-on-paper);
}

.page-contact .hour-caption {
  margin: 14px 0 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--ink-soft-on-paper);
}

/* ---------- 联系信息卡 ---------- */
.page-contact .contact-hours-cards {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .hours-card {
  padding: 18px 20px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-on-paper);
  background: var(--c-paper-2);
}

.page-contact .hours-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ink-soft-on-paper);
}

.page-contact .hours-card p {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--ink-on-paper);
  word-break: break-word;
}

.page-contact .hours-card p.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-contact .hours-card .hours-note {
  margin-top: 9px;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--ink-soft-on-paper);
}

/* ---------- 自助入口 ---------- */
.page-contact .contact-help {
  padding: clamp(44px, 7vw, 92px) 0;
  background: var(--c-night);
}

.page-contact .contact-help-inner {
  display: grid;
  gap: 22px;
}

.page-contact .contact-help-copy h2 {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.4rem, 3.2vw, 2.05rem);
  line-height: 1.24;
  letter-spacing: -0.008em;
  color: var(--c-paper);
}

.page-contact .contact-help-copy p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-contact .contact-help-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-help-list {
  list-style: none;
  padding: 0;
  margin: clamp(26px, 4vw, 40px) 0 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-help-list li {
  padding: 16px 18px;
  border-radius: var(--radius-m);
  border: 1px solid var(--pc-hair);
  background: var(--pc-fill);
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--c-mist);
}

.page-contact .contact-help-list strong {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--c-paper);
}

.page-contact .contact-note {
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: 22px;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .contact-note p {
  margin: 0;
  max-width: 68ch;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-contact .contact-note-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.page-contact .contact-note-links a {
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 225, 208, 0.4);
  padding-bottom: 1px;
}

.page-contact .contact-note-links a:hover,
.page-contact .contact-note-links a:focus-visible {
  border-bottom-color: var(--c-neon);
}

.page-contact .contact-note-links a:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-contact .contact-hours-body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

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

  .page-contact .contact-help-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-contact .contact-help-links {
    justify-content: flex-end;
  }

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

@media (min-width: 980px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (max-width: 560px) {
  .page-contact .contact-row-detail {
    padding-left: 6px;
  }

  .page-contact .contact-row > summary {
    gap: 9px;
  }

  .page-contact .contact-row-note {
    font-size: 0.76rem;
  }

  .page-contact .hour-labels span:nth-child(1),
  .page-contact .hour-labels span:nth-child(7) {
    opacity: 0.5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-row-marker,
  .page-contact .contact-row > summary {
    transition: none;
  }
}