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

/* ---------- 首屏横幅 ---------- */
.page-contact .contact-banner {
  margin: 0 0 64px;
  border: 1px solid var(--line-color);
  background: var(--paper-2);
}

.page-contact .contact-banner .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .media-frame__cap {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--grey);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 客服渠道：左右分置 ---------- */
.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  min-width: 0;
}

.page-contact .channel-stack {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.page-contact .channel-card {
  position: relative;
  overflow: hidden;
  padding: 30px 26px 34px;
  background: var(--ink);
  color: var(--paper);
  border-left: 4px solid var(--milan-red);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-contact .channel-card--phone {
  border-left-color: var(--ember);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 26px;
  height: 26px;
  background: var(--paper);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-3px);
}

.page-contact .channel-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--ember);
  margin-bottom: 14px;
}

.page-contact .channel-card__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.page-contact .channel-card__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 238, 227, .74);
}

.page-contact .channel-card__tag {
  display: inline-block;
  margin-top: 18px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(244, 238, 227, .82);
  border: 1px solid rgba(244, 238, 227, .28);
}

/* ---------- 右侧浅底说明 ---------- */
.page-contact .contact-aside {
  min-width: 0;
  padding: 26px 24px 28px;
  background: var(--paper-2);
  border: 1px solid var(--line-color);
  border-top: 3px solid var(--tech-blue);
}

.page-contact .contact-aside__title {
  margin: 0 0 18px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .signage {
  border-top: 1px solid var(--line-color);
}

.page-contact .signage__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .signage__label {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--grey);
}

.page-contact .signage__value {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-soft);
  word-break: break-word;
}

.page-contact .contact-aside__foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 在线时间条 ---------- */
.page-contact .hours-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 26px 24px;
  background: var(--ink);
  color: var(--paper);
  border-left: 4px solid var(--ember);
}

.page-contact .hours-band__num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--ember);
  font-variant-numeric: tabular-nums;
}

.page-contact .hours-band__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.page-contact .hours-band__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 238, 227, .76);
}

.page-contact .hours-notes {
  margin-top: 28px;
}

/* ---------- 合作折叠面板 ---------- */
.page-contact .coop-tabs {
  min-width: 0;
}

.page-contact .coop-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-color);
}

.page-contact .coop-tab {
  appearance: none;
  padding: 9px 18px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--paper-2);
  border: 1px solid var(--line-color);
  cursor: pointer;
  transition: background-color .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .coop-tab:hover {
  border-color: var(--milan-red);
  color: var(--milan-red);
}

.page-contact .coop-tab[aria-selected="true"] {
  background: var(--milan-red);
  border-color: var(--milan-red);
  color: #fff;
}

.page-contact .coop-tab:focus-visible {
  outline: 2px solid var(--tech-blue);
  outline-offset: 2px;
}

.page-contact .coop-panel {
  padding: 28px 0 4px;
  animation: contact-panel-in .26s var(--ease);
}

@keyframes contact-panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

.page-contact .coop-panel__title {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .coop-panel__text {
  margin: 0 0 20px;
  max-width: 74ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

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

.page-contact .checklist__item {
  position: relative;
  padding: 10px 14px 10px 40px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper-2);
  border-left: 2px solid var(--tech-blue);
}

.page-contact .checklist__item::before {
  content: "—";
  position: absolute;
  left: 14px;
  top: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ember);
}

/* ---------- 媒体引用 ---------- */
.page-contact .media-body {
  align-items: start;
}

.page-contact .media-body .prose p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .media-body__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .media-meta {
  padding: 24px 22px;
  background: var(--paper-2);
}

.page-contact .media-meta__label {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--grey);
}

.page-contact .media-meta .stat {
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .media-meta .stat:last-child {
  border-bottom: 0;
}

/* ---------- 处理节奏时间线 ---------- */
.page-contact .timeline {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .timeline__step {
  position: relative;
  padding: 0 0 32px 30px;
  border-left: 1px solid var(--line-color);
}

.page-contact .timeline__step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .timeline__node {
  position: absolute;
  left: -7px;
  top: 5px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--milan-red);
  box-shadow: 0 0 0 4px var(--paper);
}

.page-contact .timeline__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ember);
  margin-bottom: 8px;
}

.page-contact .timeline__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .timeline__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .timeline-figure {
  margin: 40px 0 0;
  border: 1px solid var(--line-color);
  background: var(--paper-2);
}

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

/* ---------- 常见问题快捷入口 ---------- */
.page-contact .faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .faq-link {
  display: grid;
  gap: 8px;
  padding: 24px 20px 22px;
  background: var(--paper-2);
  border: 1px solid var(--line-color);
  border-bottom: 3px solid var(--line-color);
  text-decoration: none;
  color: var(--ink);
  transition: border-color .2s var(--ease), transform .2s var(--ease), background-color .2s var(--ease);
}

.page-contact .faq-link:hover,
.page-contact .faq-link:focus-visible {
  border-color: var(--milan-red);
  border-bottom-color: var(--milan-red);
  background: #fff;
  transform: translateY(-3px);
}

.page-contact .faq-link__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ember);
}

.page-contact .faq-link__title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .faq-link__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .faq-link__more {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--tech-blue-deep);
}

.page-contact .quick-help__cta {
  margin: 32px 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-card {
    padding: 34px 32px 38px;
  }
  .page-contact .channel-card__value {
    font-size: 24px;
  }
  .page-contact .hours-band {
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 32px;
    padding: 30px 32px;
  }
  .page-contact .hours-band__num {
    font-size: 40px;
  }
  .page-contact .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
  .page-contact .contact-banner {
    margin-bottom: 80px;
  }
  .page-contact .channel-card__value {
    font-size: 26px;
  }
}

@media (min-width: 960px) {
  .page-contact .timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }
  .page-contact .timeline__step {
    padding: 32px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line-color);
  }
  .page-contact .timeline__step:last-child {
    border-top-color: var(--line-color);
  }
  .page-contact .timeline__node {
    left: 0;
    top: -7px;
  }
  .page-contact .faq-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .faq-link,
  .page-contact .coop-panel {
    transition: none;
    animation: none;
  }
  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within,
  .page-contact .faq-link:hover,
  .page-contact .faq-link:focus-visible {
    transform: none;
  }
}