.page-contact {
  --pc-cut: 14px;
  --pc-board-line: rgba(17, 22, 20, .06);
}

/* 面包屑 */
.page-contact .pc-crumb {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.page-contact .pc-crumb-inner {
  padding-block: 10px 11px;
}
.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}
.page-contact .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--gray);
}
.page-contact .breadcrumb-link {
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  color: var(--pitch);
  border-bottom-color: var(--pitch);
}
.page-contact .breadcrumb-current {
  color: var(--ink);
  font-weight: 600;
}

/* 首屏 */
.page-contact .pc-hero {
  position: relative;
  background: var(--concrete);
  overflow: hidden;
}
.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, rgba(23, 77, 49, .07) 0 2px, transparent 2px 28px);
  pointer-events: none;
}
.page-contact .pc-hero-inner {
  position: relative;
  display: grid;
  gap: clamp(22px, 3.2vw, 44px);
  padding-block: clamp(26px, 4.6vw, 62px);
}
.page-contact .pc-kicker {
  display: inline-block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--deep);
  border-left: 3px solid var(--pitch);
  padding-left: 10px;
}
.page-contact .pc-h1 {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(34px, 5.6vw, 58px);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--ink);
}
.page-contact .pc-h1 em {
  font-style: normal;
  background: linear-gradient(transparent 68%, var(--volt) 68%, var(--volt) 94%, transparent 94%);
}
.page-contact .pc-lede {
  margin: 0 0 22px;
  max-width: 48ch;
  font-size: clamp(15.5px, 1.7vw, 18px);
  line-height: 1.75;
  color: var(--ink);
}
.page-contact .pc-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-contact .pc-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.page-contact .pc-jump a::after {
  content: "→";
  color: var(--pitch);
}
.page-contact .pc-jump a:hover,
.page-contact .pc-jump a:focus-visible {
  background: var(--night);
  border-color: var(--night);
  color: var(--paper);
}
.page-contact .pc-jump a:hover::after,
.page-contact .pc-jump a:focus-visible::after {
  color: var(--volt);
}

/* 首屏右侧深色面板 */
.page-contact .pc-panel {
  background: var(--night);
  color: var(--paper);
  padding: clamp(16px, 2.2vw, 26px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.page-contact .pc-panel-media {
  margin: 0 0 4px;
}
.page-contact .pc-panel-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line-dark);
  filter: saturate(.85) contrast(1.05);
}
.page-contact .pc-panel-cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: rgba(245, 246, 240, .62);
}
.page-contact .pc-route {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 16px 0 8px;
}
.page-contact .pc-route-label text {
  fill: rgba(245, 246, 240, .82);
  font-family: var(--font-mono);
  font-size: 13px;
}
.page-contact .pc-route-hub {
  fill: var(--night);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}
.page-contact .pc-hours {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding-top: 13px;
  border-top: 1px dashed var(--line-dark);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--volt);
}
.page-contact .pc-hours .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--volt);
  box-shadow: 0 0 0 4px rgba(200, 255, 61, .18);
}

/* 渠道卡 + 咨询准备 */
.page-contact .pc-split {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  padding-block: clamp(30px, 4.6vw, 62px);
}
.page-contact .pc-channels {
  display: grid;
  gap: 14px;
  align-content: start;
}
.page-contact .pc-channel {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--pitch);
  padding: 16px 18px 18px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%);
  transition: transform .18s ease, box-shadow .2s ease, border-color .18s ease;
}
.page-contact .pc-channel:hover {
  transform: translate(-2px, -2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-1);
}
.page-contact .pc-ch-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--gray);
}
.page-contact .pc-ch-value {
  margin: 0;
  font-size: clamp(15.5px, 1.9vw, 18px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  overflow-wrap: anywhere;
}
.page-contact .pc-ch-value--mono {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 20px);
  letter-spacing: .04em;
}
.page-contact .pc-email-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-contact .pc-email {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.8vw, 17px);
  color: var(--ink);
  overflow-wrap: anywhere;
}
.page-contact .copy-btn {
  padding: 6px 11px;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--deep);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%);
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--paper);
}
.page-contact .pc-phone {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--pitch);
  padding-bottom: 2px;
  transition: color .18s ease, border-color .18s ease;
}
.page-contact .pc-phone:hover,
.page-contact .pc-phone:focus-visible {
  color: var(--pitch);
  border-bottom-color: var(--deep);
}
.page-contact .pc-ch-note {
  margin: 9px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--gray);
}

/* 咨询准备战术板 */
.page-contact .pc-prep {
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--pc-board-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-board-line) 1px, transparent 1px);
  background-size: 100% 32px, 32px 100%;
  border: 1px solid var(--line-strong);
  padding: clamp(18px, 2.6vw, 30px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.page-contact .pc-h2 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.28;
  color: var(--ink);
}
.page-contact .pc-sub {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}
.page-contact .pc-check {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .pc-check-item {
  background: rgba(245, 246, 240, .94);
  border: 1px solid var(--line);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.page-contact .pc-check-item[open] {
  border-color: var(--pitch);
  box-shadow: inset 3px 0 0 var(--pitch);
}
.page-contact .pc-check-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding: 13px 14px;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
}
.page-contact .pc-check-item summary::-webkit-details-marker {
  display: none;
}
.page-contact .pc-check-num {
  padding: 2px 6px;
  background: var(--volt);
  color: var(--night);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}
.page-contact .pc-req {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 6px;
  border: 1px solid rgba(255, 107, 53, .45);
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  font-weight: 400;
}
.page-contact .pc-req::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal);
}
.page-contact .pc-check-toggle {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--pitch);
}
.page-contact .pc-check-toggle::before {
  content: "+";
}
.page-contact .pc-check-item[open] .pc-check-toggle::before {
  content: "−";
}
.page-contact .pc-check-item[open] .pc-check-toggle {
  color: var(--deep);
}
.page-contact .pc-check-body {
  padding: 0 14px 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}
.page-contact .pc-check-body p {
  margin: 0;
}
.page-contact .pc-check-body p + p {
  margin-top: 8px;
  color: var(--gray);
}

/* 回复说明 */
.page-contact .pc-reply {
  background: var(--concrete);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}
.page-contact .pc-reply-inner {
  padding-block: clamp(28px, 4vw, 56px);
}
.page-contact .pc-reply-grid {
  display: grid;
  gap: 16px;
}
.page-contact .pc-reply-card {
  background: var(--paper);
  border-top: 3px solid var(--deep);
  padding: 18px 20px 20px;
}
.page-contact .pc-reply-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
}
.page-contact .pc-reply-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}
.page-contact .pc-reply-note {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--volt);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  line-height: 1.7;
  color: var(--deep);
}

/* 内容共建 */
.page-contact .pc-partner {
  background: var(--concrete);
}
.page-contact .pc-partner-inner {
  max-width: 780px;
  padding-block: clamp(30px, 4.4vw, 62px);
}
.page-contact .pc-tracks {
  margin-top: 6px;
  border-top: 1px solid var(--line-strong);
}
.page-contact .pc-track {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .pc-track-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--deep);
}
.page-contact .pc-track-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}
.page-contact .pc-partner-more {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gray);
}
.page-contact .pc-partner-more a,
.page-contact .pc-op-note a {
  color: var(--pitch);
  text-decoration: none;
  border-bottom: 1px solid var(--pitch);
  transition: color .18s ease, border-color .18s ease;
}
.page-contact .pc-partner-more a:hover,
.page-contact .pc-partner-more a:focus-visible,
.page-contact .pc-op-note a:hover,
.page-contact .pc-op-note a:focus-visible {
  color: var(--deep);
  border-bottom-color: var(--volt);
}

/* 运营主体与备案 */
.page-contact .pc-operator {
  position: relative;
  background: var(--night);
  color: var(--paper);
  overflow: hidden;
}
.page-contact .pc-operator::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--pitch) 0%, var(--deep) 45%, var(--volt) 100%);
}
.page-contact .pc-operator-inner {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding-block: clamp(28px, 4.4vw, 58px);
}
.page-contact .pc-op-media {
  margin: 0;
}
.page-contact .pc-op-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line-dark);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 24px));
  filter: saturate(.9) brightness(.92);
}
.page-contact .pc-op-media .pc-panel-cap {
  margin-top: 10px;
}
.page-contact .pc-h2--on-dark {
  color: var(--paper);
}
.page-contact .pc-op-list {
  margin: 0 0 16px;
}
.page-contact .pc-op-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-dark);
}
.page-contact .pc-op-key {
  min-width: 84px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--volt);
}
.page-contact .pc-op-val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(245, 246, 240, .9);
  overflow-wrap: anywhere;
}
.page-contact .pc-op-val--mono {
  font-family: var(--font-mono);
  letter-spacing: .04em;
}
.page-contact .pc-op-note {
  margin: 0 0 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(245, 246, 240, .66);
}
.page-contact .pc-op-note a {
  color: var(--volt);
  border-bottom-color: var(--volt);
}
.page-contact .pc-op-note a:hover,
.page-contact .pc-op-note a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}
.page-contact .pc-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: transparent;
  border: 1px solid var(--volt);
  color: var(--volt);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: background .18s ease, color .18s ease;
}
.page-contact .pc-top:hover,
.page-contact .pc-top:focus-visible {
  background: var(--volt);
  color: var(--night);
}

@media (min-width: 720px) {
  .page-contact .pc-reply-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-track {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero-inner {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-contact .pc-operator-inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-split {
    grid-template-columns: 6fr 6fr;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-jump a,
  .page-contact .copy-btn,
  .page-contact .pc-phone,
  .page-contact .pc-top,
  .page-contact .breadcrumb-link,
  .page-contact .pc-partner-more a,
  .page-contact .pc-op-note a {
    transition: none;
  }
  .page-contact .pc-channel:hover {
    transform: none;
  }
}
<<<END>>>