/* ============================================================
   联系对接 / contact
   作用域：.page-contact
   ============================================================ */

.page-contact {
  --pc-radius: 4px;
  --pc-gap: 20px;
  display: block;
  padding-bottom: clamp(56px, 8vw, 108px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: 22px;
  padding-bottom: 18px;
}

.page-contact .breadcrumb-sep {
  padding: 0 8px;
  opacity: .55;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    95deg,
    #061A17 0%,
    rgba(6, 26, 23, .94) 38%,
    rgba(6, 26, 23, .42) 72%,
    rgba(6, 26, 23, 0) 100%
  );
}

.page-contact .contact-hero-img {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 0;
  width: 64%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .42;
  filter: saturate(.5) brightness(.72) contrast(1.06);
  -webkit-mask-image: linear-gradient(100deg, transparent 0%, rgba(0, 0, 0, .4) 30%, #000 64%);
  mask-image: linear-gradient(100deg, transparent 0%, rgba(0, 0, 0, .4) 30%, #000 64%);
  pointer-events: none;
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 2;
}

.page-contact .contact-hero-copy {
  max-width: 40rem;
  padding: clamp(48px, 7.5vw, 104px) 0 clamp(56px, 8vw, 112px);
}

.page-contact .pc-eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero h1 {
  margin: 18px 0 0;
  max-width: 20ch;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--bright);
}

.page-contact .contact-hero .lead {
  margin: 22px 0 0;
  max-width: 36em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

/* ---------- 通用区块头 ---------- */
.page-contact .pc-section {
  padding-top: clamp(56px, 7.5vw, 104px);
}

.page-contact .pc-head {
  display: grid;
  gap: 14px;
  max-width: 46rem;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-contact .pc-title {
  margin: 0;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(24px, 2.9vw, 38px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--bright);
}

.page-contact .pc-note {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-contact .pc-inline-link {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.page-contact .pc-inline-link:hover {
  color: var(--bright);
}

/* ---------- 三个入口 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 30px 26px 28px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  transition: transform 160ms var(--ease),
              border-color 160ms var(--ease),
              background-color 160ms var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cyan);
  opacity: .32;
  transition: opacity 160ms var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-2px);
  background: var(--ink-700);
  border-color: var(--cyan);
}

.page-contact .channel-card:hover::before {
  opacity: 1;
}

.page-contact .channel-index {
  margin: 0;
  font-family: var(--mono);
  font-size: 20px;
  line-height: 1;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-contact .channel-name {
  margin: 0;
  font-family: var(--sans);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.3;
  color: var(--bright);
}

.page-contact .channel-desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .channel-value {
  margin: 4px 0 0;
  font-family: var(--mono);
  font-size: 17px;
  line-height: 1.65;
  color: var(--orange);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-value--mail {
  font-size: 16px;
}

.page-contact .channel-tag {
  align-self: flex-start;
  margin: 14px 0 0;
  padding: 5px 13px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--text);
}

/* ---------- 客服受理范围 ---------- */
.page-contact .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .help-item {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 16px;
  padding: 24px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .help-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .help-index {
  font-family: var(--mono);
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: .06em;
  color: var(--cyan-dim);
}

.page-contact .help-name {
  margin: 0 0 8px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.45;
  color: var(--bright);
}

.page-contact .help-desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 合作对接 ---------- */
.page-contact .coop-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

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

.page-contact .coop-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--pc-radius);
  filter: saturate(.6) brightness(.82);
}

.page-contact .coop-caption {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .coop-list {
  border-top: 1px solid var(--line-soft);
}

.page-contact .coop-item {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .coop-item summary {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 14px;
  min-height: 66px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .coop-index {
  font-family: var(--mono);
  font-size: 20px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .coop-name {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.4;
  color: var(--bright);
}

.page-contact .coop-toggle {
  position: relative;
  justify-self: end;
  width: 16px;
  height: 16px;
}

.page-contact .coop-toggle::before,
.page-contact .coop-toggle::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: calc(50% - 1px);
  height: 2px;
  background: var(--cyan);
  transition: transform 160ms var(--ease);
}

.page-contact .coop-toggle::after {
  transform: rotate(90deg);
}

.page-contact .coop-item[open] .coop-toggle::after {
  transform: rotate(0deg);
}

.page-contact .coop-body {
  padding: 0 24px 24px 62px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-contact .coop-body p {
  margin: 0;
}

/* ---------- 功能建议 ---------- */
.page-contact .suggest-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding: 30px 24px 34px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--orange);
  border-radius: var(--pc-radius);
}

.page-contact .suggest-heading {
  margin: 0 0 18px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.4;
  color: var(--bright);
}

.page-contact .suggest-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .suggest-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .suggest-mark {
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1.6;
  color: var(--orange-soft);
}

.page-contact .suggest-text {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-contact .suggest-text:last-child {
  margin-bottom: 0;
}

/* ---------- 服务时间 ---------- */
.page-contact .hours-panel {
  padding: 32px 24px 36px;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background:
    linear-gradient(135deg, var(--glass) 0%, rgba(79, 240, 208, 0) 62%),
    var(--ink-800);
}

.page-contact .hour-axis {
  margin-bottom: 34px;
}

.page-contact .hour-track {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: var(--ink-700);
  overflow: hidden;
}

.page-contact .hour-live {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, var(--cyan-dim), var(--cyan));
}

.page-contact .hour-labels {
  position: relative;
  height: 24px;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--text);
  opacity: .72;
}

.page-contact .hour-labels span {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  white-space: nowrap;
}

.page-contact .hour-labels span:nth-child(1) {
  left: 0;
  transform: none;
}

.page-contact .hour-labels span:nth-child(2) {
  left: 37.5%;
}

.page-contact .hour-labels span:nth-child(3) {
  left: 75%;
}

.page-contact .hour-labels span:nth-child(4) {
  right: 0;
  left: auto;
  transform: none;
}

.page-contact .hours-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .hours-note-title {
  margin: 0 0 8px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--bright);
}

.page-contact .hours-note-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 到访与寄送 ---------- */
.page-contact .visit-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .visit-label {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .visit-address {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1.75;
  letter-spacing: .01em;
  color: var(--bright);
}

.page-contact .visit-hint {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

/* ============================================================
   平板 ≥ 720px
   ============================================================ */
@media (min-width: 720px) {
  .page-contact .help-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
  }

  .page-contact .hours-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-contact .suggest-panel {
    padding: 40px 36px 44px;
  }

  .page-contact .hours-panel {
    padding: 40px 36px 44px;
  }

  .page-contact .visit-strip {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

/* ============================================================
   桌面 ≥ 960px
   ============================================================ */
@media (min-width: 960px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .coop-layout {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .suggest-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
  }
}

/* ============================================================
   窄屏修正 ≤ 719px
   ============================================================ */
@media (max-width: 719px) {
  .page-contact .contact-hero::before {
    background: linear-gradient(
      180deg,
      rgba(6, 26, 23, .82) 0%,
      rgba(6, 26, 23, .95) 58%,
      #061A17 100%
    );
  }

  .page-contact .contact-hero-img {
    width: 100%;
    opacity: .3;
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .7) 0%, rgba(0, 0, 0, .2) 70%, transparent 100%);
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, .7) 0%, rgba(0, 0, 0, .2) 70%, transparent 100%);
  }

  .page-contact .contact-hero-copy {
    max-width: 100%;
  }

  .page-contact .coop-body {
    padding-left: 0;
  }

  .page-contact .help-item {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 12px;
  }
}

/* ============================================================
   动效降级
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card::before,
  .page-contact .coop-toggle::before,
  .page-contact .coop-toggle::after {
    transition: opacity 120ms linear;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}