.page-contact {
  --pc-panel-pad: clamp(18px, 2.4vw, 28px);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(36px, 6vw, 72px);
}

/* ---------- 面包屑 ---------- */
.page-contact > .breadcrumb {
  background: var(--ink-900);
  border-bottom: 1px solid var(--line-blue);
}

.page-contact > .breadcrumb .container {
  padding-top: 14px;
  padding-bottom: 13px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 74px) 0 clamp(38px, 6.4vw, 78px);
  background:
    radial-gradient(120% 100% at 86% 0%, rgba(63, 224, 255, .17), transparent 58%),
    radial-gradient(80% 90% at 4% 100%, rgba(245, 185, 66, .09), transparent 62%),
    linear-gradient(180deg, var(--ink-900), var(--ink-800));
  border-bottom: var(--edge) solid var(--line-blue);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(29, 44, 74, .55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(29, 44, 74, .55) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(122deg, transparent 24%, #000 76%);
  mask-image: linear-gradient(122deg, transparent 24%, #000 76%);
  pointer-events: none;
}

.page-contact .hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-contact .hero-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-contact .hero-copy h1 {
  margin: 16px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(32px, 5.6vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: .005em;
  color: var(--paper);
}

.page-contact .hero-lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .hero-note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-contact .hero-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .hero-figure {
  margin: 0;
  border: var(--edge) solid var(--line-blue);
  box-shadow: var(--shadow-hard);
  background: var(--ink-900);
}

.page-contact .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* ---------- 通用区块 ---------- */
.page-contact .section {
  padding: clamp(44px, 7vw, 88px) 0;
  border-bottom: 1px solid var(--line-blue);
}

.page-contact .section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 18px;
  align-items: baseline;
  margin-bottom: clamp(24px, 3.4vw, 40px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-blue);
}

.page-contact .section-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-contact .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1.16;
  color: var(--paper);
}

.page-contact .section-note {
  grid-column: 1 / -1;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

/* ---------- 01 联系渠道 ---------- */
.page-contact .channels {
  background:
    linear-gradient(180deg, var(--ink-800), var(--ink-900));
}

.page-contact .channels-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
}

.page-contact .channel-stack {
  display: grid;
  gap: clamp(14px, 1.8vw, 20px);
}

.page-contact .channel-card {
  position: relative;
  padding: var(--pc-panel-pad);
  background: var(--ink-800);
  border: var(--edge) solid var(--line-blue);
  border-left: 6px solid var(--cyan-deep);
  box-shadow: var(--shadow-hard);
  transition: transform .22s var(--ease), border-color .22s var(--ease), border-left-color .22s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--cyan);
  border-left-color: var(--gold);
}

.page-contact .channel-tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--muted);
}

.page-contact .channel-value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.2vw, 23px);
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.4;
  color: var(--gold);
  word-break: break-word;
}

.page-contact .channel-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .hours-panel {
  display: grid;
  gap: 20px;
  justify-items: center;
  padding: var(--pc-panel-pad);
  background:
    radial-gradient(90% 70% at 50% 0%, rgba(63, 224, 255, .12), transparent 70%),
    linear-gradient(165deg, var(--ink-800), #071124);
  border: var(--edge) solid var(--line-blue);
  box-shadow: var(--shadow-hard);
}

.page-contact .hours-label {
  margin: 0;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-contact .hours-dial {
  --dial-size: min(212px, 58vw);
  position: relative;
  width: var(--dial-size);
  height: var(--dial-size);
  border-radius: 50%;
  border: var(--edge) solid var(--line-blue);
  background: conic-gradient(from -90deg,
      var(--line-blue) 0 37.5%,
      var(--cyan) 37.5% 75%,
      var(--line-blue) 75% 100%);
  display: grid;
  place-items: center;
  transition: filter .24s var(--ease);
}

.page-contact .hours-dial:hover {
  filter: drop-shadow(0 0 12px rgba(63, 224, 255, .45));
}

.page-contact .hours-dial-inner {
  width: 72%;
  height: 72%;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--line-blue);
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 3px;
  text-align: center;
  padding: 10px;
}

.page-contact .dial-big {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 19px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-contact .dial-mid {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .dial-small {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .hours-notes {
  list-style: none;
  width: 100%;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .hours-notes li {
  position: relative;
  padding-left: 17px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--muted);
}

.page-contact .hours-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

/* ---------- 02 准备清单 ---------- */
.page-contact .prep {
  background:
    radial-gradient(80% 60% at 100% 0%, rgba(58, 42, 110, .35), transparent 66%),
    linear-gradient(180deg, var(--ink-900), #08122A);
}

.page-contact .prep-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-blue);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-blue);
  transition: background-color .2s var(--ease), padding-left .2s var(--ease);
}

.page-contact .prep-item:hover {
  background: rgba(63, 224, 255, .05);
  padding-left: 12px;
}

.page-contact .prep-no {
  grid-row: 1 / 3;
  margin: 0;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--signal);
}

.page-contact .prep-title {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .prep-text {
  grid-column: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .prep-figure {
  margin: 0;
  border: var(--edge) solid var(--line-blue);
  box-shadow: var(--shadow-hard);
  background: var(--ink-800);
}

.page-contact .prep-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ---------- 03 纠错流程 ---------- */
.page-contact .flow {
  background:
    linear-gradient(158deg, #0B3B3C 0%, #06202A 48%, var(--ink-900) 100%);
}

.page-contact .flow-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .flow-step {
  position: relative;
  padding: 20px 20px 22px;
  background: rgba(12, 23, 48, .82);
  border: var(--edge) solid var(--line-blue);
  transition: transform .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-contact .flow-step:hover,
.page-contact .flow-step:focus-within {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: rgba(14, 111, 127, .3);
}

.page-contact .flow-no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-contact .flow-step h3 {
  margin: 0 0 9px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .flow-step .flow-sla {
  display: inline-block;
  margin-top: 14px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mint);
  border: 1px solid rgba(75, 227, 180, .38);
}

.page-contact .flow-foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .flow-foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 04 内容合作 ---------- */
.page-contact .coop {
  background:
    linear-gradient(150deg, rgba(107, 30, 57, .55) 0%, rgba(58, 42, 110, .35) 34%, var(--ink-900) 72%);
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
}

.page-contact .coop-col {
  padding: var(--pc-panel-pad);
  background: rgba(12, 23, 48, .78);
  border: var(--edge) solid var(--line-blue);
  border-top: 6px solid var(--wine);
  box-shadow: var(--shadow-hard);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-contact .coop-col--apply {
  border-top-color: var(--gold);
}

.page-contact .coop-col:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.page-contact .coop-col h3 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .coop-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-contact .coop-col li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .coop-col li::before {
  content: "／";
  position: absolute;
  left: 0;
  color: var(--cyan);
}

.page-contact .coop-col li strong {
  display: block;
  margin-bottom: 3px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .coop-foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-blue);
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .coop-foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 05 服务机构信息 ---------- */
.page-contact .dossier {
  background: linear-gradient(180deg, var(--ink-900), var(--ink-800));
  border-bottom: 0;
}

.page-contact .dossier-card {
  position: relative;
  overflow: hidden;
  padding: calc(var(--pc-panel-pad) + 10px) var(--pc-panel-pad) var(--pc-panel-pad);
  background: var(--ink-800);
  border: var(--edge) solid var(--line-blue);
  box-shadow: var(--shadow-hard);
}

.page-contact .dossier-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--cyan), var(--gold), var(--signal));
}

.page-contact .dossier-label {
  margin: 6px 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-contact .dossier-card h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  color: var(--paper);
}

.page-contact .dossier-intro {
  margin: 0 0 24px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .dossier-intro a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .dossier-list {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-blue);
  border: 1px solid var(--line-blue);
}

.page-contact .dossier-list > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 14px 16px;
  background: var(--ink-900);
}

.page-contact .dossier-list dt {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-contact .dossier-list dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .dossier-list dd.is-mono {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-contact .dossier-note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--mint);
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .section-note {
    grid-column: 2;
    text-align: right;
  }

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

@media (min-width: 900px) {
  .page-contact .hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }
}

@media (min-width: 940px) {
  .page-contact .channels-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-contact .flow-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .flow-step + .flow-step::after {
    content: "▸";
    position: absolute;
    left: -17px;
    top: 46px;
    font-size: 13px;
    line-height: 1;
    color: var(--cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .flow-step,
  .page-contact .coop-col,
  .page-contact .prep-item,
  .page-contact .hours-dial {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within,
  .page-contact .flow-step:hover,
  .page-contact .flow-step:focus-within,
  .page-contact .coop-col:hover {
    transform: none;
  }
}