.page-contact {
  --pc-grid-line: rgba(223, 228, 234, .6);
  --pc-hair-dark: rgba(34, 48, 63, .9);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin: 0 0 var(--sp-4);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: -.01em;
  color: var(--muted);
}

.page-contact .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  color: var(--line-light);
}

.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan-deep);
  border-bottom-color: var(--cyan-deep);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: var(--sp-5);
  padding-bottom: var(--sp-8);
  background: var(--paper);
}

.page-contact .contact-hero__stage {
  position: relative;
  padding: var(--sp-7) var(--sp-5) var(--sp-6);
  background-color: var(--card);
  background-image:
    linear-gradient(var(--pc-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  border: 1px solid var(--line-light);
}

.page-contact .contact-hero__corner {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 0 solid var(--cyan);
  pointer-events: none;
}

.page-contact .contact-hero__corner--tl {
  top: -1px;
  left: -1px;
  border-top-width: 2px;
  border-left-width: 2px;
}

.page-contact .contact-hero__corner--tr {
  top: -1px;
  right: -1px;
  border-top-width: 2px;
  border-right-width: 2px;
}

.page-contact .contact-hero__corner--bl {
  bottom: -1px;
  left: -1px;
  border-bottom-width: 2px;
  border-left-width: 2px;
}

.page-contact .contact-hero__corner--br {
  bottom: -1px;
  right: -1px;
  border-bottom-width: 2px;
  border-right-width: 2px;
}

.page-contact .contact-hero__title {
  margin: var(--sp-4) 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 56px);
  line-height: 1.16;
  letter-spacing: .045em;
  color: var(--text);
}

.page-contact .contact-hero__lead {
  margin: var(--sp-5) 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-5);
  margin-top: var(--sp-5);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--line-light);
  font-size: 13px;
  color: var(--muted);
}

/* 首屏双栏 */
.page-contact .contact-hero__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
  margin-top: var(--sp-5);
}

/* 联系渠道卡 */
.page-contact .contact-card {
  padding: var(--sp-5);
  background: var(--card);
  border: 1px solid var(--line-light);
  border-top: 3px solid var(--ink-900);
}

.page-contact .contact-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--line-light);
}

.page-contact .contact-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: .05em;
  color: var(--text);
}

.page-contact .contact-card__chip {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: -.01em;
}

.page-contact .contact-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-row {
  display: grid;
  gap: var(--sp-1);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--line-light);
}

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

.page-contact .contact-row__value {
  font-size: clamp(15px, 3.8vw, 19px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .contact-row__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-card__foot {
  margin: var(--sp-4) 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 栏目定位面板 */
.page-contact .contact-locate {
  padding: var(--sp-5);
  background: var(--ink-900);
  border: 1px solid var(--line-dark);
}

.page-contact .contact-locate__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .contact-locate__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: .05em;
  color: var(--paper);
}

.page-contact .contact-locate__chip {
  font-size: 12px;
  color: var(--ink-muted);
  letter-spacing: -.01em;
}

.page-contact .contact-locate__desc {
  margin: var(--sp-4) 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-text);
}

.page-contact .contact-locate__list {
  margin: var(--sp-4) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-locate__list li + li {
  border-top: 1px solid var(--line-dark);
}

.page-contact .contact-locate__list a {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  padding: var(--sp-3) 0;
  font-size: 15px;
  color: var(--ink-text);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}

.page-contact .contact-locate__list a::after {
  content: "→";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-muted);
  transition: transform var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.page-contact .contact-locate__list a:hover,
.page-contact .contact-locate__list a:focus-visible {
  color: var(--cyan);
}

.page-contact .contact-locate__list a:hover::after,
.page-contact .contact-locate__list a:focus-visible::after {
  color: var(--cyan);
  transform: translateX(4px);
}

.page-contact .contact-locate__list span {
  font-size: 12px;
  color: var(--orange);
}

/* ---------- 01 问题反馈 ---------- */
.page-contact .contact-feedback {
  background-color: var(--ink-900);
}

.page-contact .contact-feedback__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
  margin-top: var(--sp-6);
}

.page-contact .contact-feedback__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pc-fb;
}

.page-contact .contact-feedback__steps li {
  counter-increment: pc-fb;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-4);
  align-items: start;
  padding: var(--sp-4) 0;
  border-bottom: 1px dashed var(--line-dark);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-text);
}

.page-contact .contact-feedback__steps li::before {
  content: counter(pc-fb, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1.8;
}

.page-contact .contact-feedback__note {
  margin: var(--sp-5) 0 0;
  font-size: 13px;
  color: var(--ink-muted);
}

.page-contact .contact-feedback__body .media-frame {
  border: 1px solid var(--line-dark);
}

.page-contact .contact-feedback__more {
  margin: var(--sp-6) 0 0;
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line-dark);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-text);
}

.page-contact .contact-feedback__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .contact-feedback__more a:hover,
.page-contact .contact-feedback__more a:focus-visible {
  color: var(--paper);
}

/* ---------- 02 常见场景 ---------- */
.page-contact .contact-scenes {
  background: var(--paper);
}

.page-contact .contact-scenes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
  margin-top: var(--sp-6);
}

.page-contact .scene-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--sp-5);
  background: var(--card);
  border: 1px solid var(--line-light);
}

.page-contact .scene-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width var(--dur-mid) var(--ease);
}

.page-contact .scene-card:hover::before,
.page-contact .scene-card:focus-within::before,
.page-contact .scene-card:focus::before {
  width: calc(100% + 2px);
}

.page-contact .scene-card:focus-visible {
  outline: 2px solid var(--cyan-deep);
  outline-offset: 2px;
}

.page-contact .scene-card__num {
  font-size: 12px;
  letter-spacing: -.01em;
  color: var(--cyan-deep);
}

.page-contact .scene-card__title {
  margin: var(--sp-3) 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: .04em;
  color: var(--text);
}

.page-contact .scene-card__desc {
  flex: 1;
  margin: var(--sp-3) 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .scene-card__way {
  margin: var(--sp-4) 0 0;
  padding-top: var(--sp-3);
  border-top: 1px solid var(--line-light);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .scene-card__way span {
  margin-right: var(--sp-2);
  color: var(--orange);
}

/* ---------- 03 合作洽谈 ---------- */
.page-contact .contact-flow {
  background-color: var(--ink-900);
}

.page-contact .flow-axis {
  margin: var(--sp-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
  padding: 0 0 var(--sp-6) var(--sp-6);
  border-left: 1px solid var(--line-dark);
}

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

.page-contact .flow-step__dot {
  position: absolute;
  left: -5px;
  top: 4px;
  width: 9px;
  height: 9px;
  background: var(--orange);
}

.page-contact .flow-step__num {
  display: block;
  font-size: 12px;
  letter-spacing: -.01em;
  color: var(--cyan);
}

.page-contact .flow-step__title {
  margin: var(--sp-2) 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-contact .flow-step__desc {
  margin: var(--sp-2) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-text);
}

.page-contact .flow-step__meta {
  display: inline-block;
  margin-top: var(--sp-3);
  padding: 4px 10px;
  border: 1px solid var(--line-dark);
  font-size: 12px;
  letter-spacing: -.01em;
  color: var(--ink-muted);
}

/* ---------- 04 联系地址 ---------- */
.page-contact .contact-address {
  background: var(--paper);
}

.page-contact .contact-address__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}

.page-contact .contact-address__lead {
  margin: var(--sp-5) 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-address__lines {
  display: block;
  margin: var(--sp-5) 0 0;
  padding: var(--sp-5) var(--sp-4) var(--sp-5) var(--sp-5);
  border-left: 3px solid var(--orange);
  background: var(--card);
  font-style: normal;
  font-size: clamp(15px, 3.6vw, 18px);
  font-weight: 700;
  line-height: 1.95;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .contact-address__note {
  margin: var(--sp-4) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-address__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.page-contact .contact-address__figure {
  border: 1px solid var(--line-light);
}

.page-contact .contact-address__figure img {
  filter: saturate(.85) contrast(1.05);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-scenes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-hero__stage {
    padding: var(--sp-8) var(--sp-7) var(--sp-7);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-bottom: var(--sp-8);
  }

  .page-contact .contact-hero__split {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: var(--sp-6);
    align-items: stretch;
  }

  .page-contact .contact-locate {
    display: flex;
    flex-direction: column;
  }

  .page-contact .contact-locate__list {
    margin-bottom: 0;
  }

  .page-contact .contact-feedback__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    gap: var(--sp-7);
    align-items: start;
  }

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

  .page-contact .scene-card__way {
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  }

  .page-contact .scene-card:hover .scene-card__way,
  .page-contact .scene-card:focus-within .scene-card__way,
  .page-contact .scene-card:focus .scene-card__way {
    opacity: 1;
    transform: translateY(0);
  }

  .page-contact .flow-axis {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--sp-6) var(--sp-7);
    margin-top: var(--sp-7);
  }

  .page-contact .flow-step {
    padding: var(--sp-5) 0 0;
    border-left-color: transparent;
    border-top: 1px solid var(--line-dark);
  }

  .page-contact .flow-step:last-child {
    border-left-color: transparent;
    border-top-color: var(--line-dark);
  }

  .page-contact .flow-step__dot {
    left: 0;
    top: -5px;
  }

  .page-contact .contact-address__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: var(--sp-7);
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-contact .scene-card__desc {
    font-size: 15px;
  }

  .page-contact .flow-step__title {
    font-size: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .scene-card::before,
  .page-contact .scene-card__way,
  .page-contact .contact-locate__list a,
  .page-contact .contact-locate__list a::after,
  .page-contact .breadcrumb a {
    transition-duration: 1ms;
  }

  .page-contact .scene-card__way {
    opacity: 1;
    transform: none;
  }
}
<<<END>>>