.page-contact {
  background: var(--fog);
  color: var(--graphite);
  font-family: var(--font-body);
}

.page-contact .contact-h2 {
  margin: var(--sp-2) 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 4vw, 2.6rem);
  line-height: 1.12;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: var(--sp-4) 0 var(--sp-5);
  background:
    linear-gradient(180deg, rgba(201, 211, 224, 0.34) 0%, rgba(244, 246, 250, 0) 60%),
    var(--fog);
  border-bottom: 1px solid var(--line-paper);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange) 0 88px, var(--line-paper) 88px 100%);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
  padding-top: var(--sp-4);
}

.page-contact .contact-hero__title {
  margin: var(--sp-2) 0 0;
  font-family: var(--font-serif);
  font-size: clamp(2.3rem, 7.4vw, 4.6rem);
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .contact-hero .lede {
  margin: var(--sp-3) 0 0;
  max-width: 34em;
  font-size: 1.02rem;
  line-height: 1.78;
  color: var(--on-paper-soft);
}

.page-contact .contact-hero__note {
  margin: var(--sp-2) 0 0;
  max-width: 32em;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--on-paper-soft);
}

.page-contact .contact-hero__panel {
  padding: var(--sp-3);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line-paper-strong);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-1);
}

.page-contact .facts {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .facts__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-paper);
}

.page-contact .facts__row:first-child {
  padding-top: 0;
}

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

.page-contact .facts dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--on-paper-soft);
}

.page-contact .facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 三栏渠道卡 ---------- */

.page-contact .contact-channels {
  padding: var(--sp-5) 0;
  background: var(--ink);
  color: var(--on-dark);
}

.page-contact .contact-channels__head {
  max-width: 44rem;
}

.page-contact .contact-channels .kicker {
  color: var(--cyan);
}

.page-contact .contact-channels__title {
  color: var(--on-dark);
}

.page-contact .contact-channels__intro {
  margin: var(--sp-2) 0 0;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--on-dark-soft);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
  margin-top: var(--sp-4);
  align-items: start;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding: var(--sp-3);
  background: rgba(244, 246, 250, 0.045);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-panel);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-dark-strong);
  box-shadow: var(--shadow-2);
}

.page-contact .channel-card--phone {
  border-color: rgba(255, 106, 43, 0.55);
  padding-top: calc(var(--sp-3) + 10px);
}

.page-contact .channel-card--phone::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--orange);
  border-radius: var(--radius-panel) var(--radius-panel) 0 0;
}

.page-contact .channel-card__no {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--on-dark-faint);
}

.page-contact .channel-card--phone .channel-card__no {
  color: var(--orange);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--on-dark);
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--on-dark-soft);
}

.page-contact .channel-card__value {
  margin: 0;
  padding: 10px 0 0;
  border-top: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .channel-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.page-contact .channel-card .btn--ghost {
  background: transparent;
  color: var(--on-dark);
  border-color: var(--line-dark-strong);
}

.page-contact .channel-card .btn--ghost:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .channel-card__link {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: var(--on-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--line-dark-strong);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .channel-card__link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .channel-card__fold {
  margin-top: auto;
}

.page-contact .channel-card__fold summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: 12px 0 4px;
  border-top: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--on-dark-soft);
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

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

.page-contact .channel-card__fold summary::after {
  content: "+";
  font-size: 1rem;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .channel-card__fold[open] summary::after {
  content: "−";
}

.page-contact .channel-card__fold summary:hover {
  color: var(--on-dark);
}

.page-contact .channel-card__fold ul {
  margin: var(--sp-2) 0 0;
  padding-left: 1.1em;
  display: grid;
  gap: 8px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--on-dark-soft);
}

/* ---------- 问题分流 ---------- */

.page-contact .contact-routing {
  padding: var(--sp-5) 0;
  background: var(--fog);
  border-bottom: 1px solid var(--line-paper);
}

.page-contact .contact-routing__head {
  max-width: 42rem;
}

.page-contact .contact-routing__intro {
  margin: var(--sp-2) 0 0;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--on-paper-soft);
}

.page-contact .route-figure {
  margin: var(--sp-4) 0 var(--sp-3);
  border: 1px solid var(--line-paper);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-1);
}

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

.page-contact .route-figure figcaption {
  padding: 10px var(--sp-2);
  border-top: 1px solid var(--line-paper);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--on-paper-soft);
}

.page-contact .table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

.page-contact .route-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  background: transparent;
  font-size: 0.93rem;
}

.page-contact .route-table thead th {
  padding: 0 14px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--on-paper-soft);
  border-bottom: 1px solid var(--line-paper-strong);
  white-space: nowrap;
}

.page-contact .route-table tbody td {
  padding: 15px 14px;
  vertical-align: top;
  line-height: 1.65;
  border-bottom: 1px solid var(--line-paper);
  color: var(--graphite);
}

.page-contact .route-table tbody tr:nth-child(even) {
  background: rgba(201, 211, 224, 0.16);
}

.page-contact .route-table tbody tr {
  transition: background-color var(--dur) var(--ease);
}

.page-contact .route-table tbody tr:hover {
  background: rgba(53, 224, 208, 0.15);
}

.page-contact .route-table__no {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--on-paper-soft);
  white-space: nowrap;
}

.page-contact .route-tag {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--ink);
  border: 1px solid var(--line-paper-strong);
  border-radius: var(--radius-pill);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .route-table tbody tr:hover .route-tag {
  border-color: var(--cyan);
  color: var(--ink);
}

/* ---------- 回复节奏 ---------- */

.page-contact .contact-rhythm {
  padding: var(--sp-5) 0;
  background: var(--indigo);
  color: var(--on-dark);
}

.page-contact .contact-rhythm__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
}

.page-contact .contact-rhythm .kicker {
  color: var(--cyan);
}

.page-contact .contact-rhythm__title {
  color: var(--on-dark);
}

.page-contact .contact-rhythm__text {
  margin: var(--sp-3) 0 0;
  max-width: 36em;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--on-dark-soft);
}

.page-contact .hour-track {
  margin-top: var(--sp-4);
}

.page-contact .hour-track__cells {
  display: grid;
  grid-template-columns: repeat(24, minmax(0, 1fr));
  gap: 2px;
}

.page-contact .hour-cell {
  height: 30px;
  background: rgba(201, 211, 224, 0.18);
  border-radius: 2px;
}

.page-contact .hour-cell.is-on {
  background: var(--cyan);
  opacity: 0.85;
}

.page-contact .hour-track__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--on-dark-faint);
}

.page-contact .hour-track__legend {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.9;
  color: var(--on-dark-soft);
}

.page-contact .hour-track__dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 5px;
  border-radius: 2px;
  background: var(--cyan);
  opacity: 0.85;
  vertical-align: middle;
}

.page-contact .hour-track__dot--off {
  background: rgba(201, 211, 224, 0.28);
  opacity: 1;
}

.page-contact .rhythm-figure {
  margin: 0 0 var(--sp-3);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-panel);
  overflow: hidden;
}

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

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

.page-contact .rhythm-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line-dark);
  font-size: 0.89rem;
  line-height: 1.7;
  color: var(--on-dark-soft);
}

.page-contact .rhythm-list li span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--on-dark-faint);
}

/* ---------- 服务范围与备案 ---------- */

.page-contact .contact-scope {
  padding: var(--sp-5) 0;
  background: var(--fog);
}

.page-contact .contact-scope__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
}

.page-contact .contact-scope__text {
  margin: var(--sp-3) 0 0;
  max-width: 36em;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--on-paper-soft);
}

.page-contact .scope-links {
  margin: var(--sp-4) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-paper);
}

.page-contact .scope-links li {
  border-bottom: 1px solid var(--line-paper);
}

.page-contact .scope-links a {
  display: block;
  padding: 14px 2px;
  font-size: 0.93rem;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  background-image: linear-gradient(var(--cyan), var(--cyan));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 2px;
  transition: background-size var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .scope-links a:hover {
  color: var(--ink);
  background-size: 100% 2px;
}

.page-contact .facts--paper {
  border: 1px solid var(--line-paper);
  border-radius: var(--radius-panel);
  background: #fff;
  padding: var(--sp-3);
  box-shadow: var(--shadow-1);
}

.page-contact .contact-filing {
  margin: var(--sp-3) 0 0;
  padding: 12px var(--sp-2);
  border: 1px solid var(--line-paper);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--on-paper-soft);
  background: rgba(201, 211, 224, 0.14);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-card--ticket {
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: var(--sp-4) var(--sp-3);
    align-items: end;
  }

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

  .page-contact .channel-card--phone {
    padding-top: calc(var(--sp-3) + 18px);
  }

  .page-contact .channel-card--ticket {
    margin-top: var(--sp-4);
  }

  .page-contact .contact-rhythm__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: var(--sp-4) var(--sp-3);
    align-items: start;
  }

  .page-contact .contact-scope__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: var(--sp-4) var(--sp-3);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero {
    padding-top: var(--sp-5);
  }

  .page-contact .route-figure {
    margin-top: var(--sp-5);
  }
}

@media (max-width: 480px) {
  .page-contact .hour-cell {
    height: 24px;
  }

  .page-contact .hour-track__scale {
    font-size: 0.62rem;
  }

  .page-contact .channel-card {
    padding: var(--sp-2) var(--sp-2) var(--sp-3);
  }
}