.page-contact {
  background-color: var(--ink-900);
  color: var(--text);
  overflow-x: hidden;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 44px 0 56px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 92% at 88% 6%, rgba(47, 227, 240, .16), rgba(5, 10, 22, 0) 58%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--panel-blue) 100%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(28, 58, 97, .55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 58, 97, .55) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), rgba(0, 0, 0, 0) 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), rgba(0, 0, 0, 0) 82%);
  pointer-events: none;
}

.page-contact .contact-hero > .container {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-2);
}

.page-contact .breadcrumbs a {
  color: var(--text-2);
  text-decoration: none;
  transition: color .2s ease;
}

.page-contact .breadcrumbs a:hover {
  color: var(--cyan);
}

.page-contact .breadcrumbs [aria-current] {
  color: var(--cyan);
}

.page-contact .crumb-sep {
  color: var(--line);
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  margin-top: 30px;
  align-items: center;
}

.page-contact .hero-copy h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 800;
}

.page-contact .hero-lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-2);
}

.page-contact .hero-media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background-color: var(--panel-blue);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 90%, 6% 100%, 0 100%);
}

.page-contact .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(47, 227, 240, .22), rgba(5, 10, 22, 0) 48%);
  pointer-events: none;
}

/* ---------- 通用区块 ---------- */
.page-contact .pc-section {
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-section:last-of-type {
  border-bottom: 0;
}

.page-contact .pc-head {
  margin-bottom: 28px;
}

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

.page-contact h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.2;
  letter-spacing: -.02em;
  font-weight: 800;
}

.page-contact .pc-lede {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-2);
}

/* ---------- 渠道 + 清单 ---------- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-contact .channel-card {
  position: relative;
  padding: 22px 22px 20px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--panel-blue), rgba(11, 27, 51, .5));
  border-radius: var(--radius);
  margin-bottom: 14px;
  transition: border-color .25s ease, transform .25s ease;
}

.page-contact .channel-card:last-of-type {
  margin-bottom: 0;
}

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

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 2px;
  background-color: var(--cyan);
}

.page-contact .channel-card--deep::before {
  background-color: var(--cyan-deep);
}

.page-contact .channel-card--green::before {
  background-color: var(--green);
}

.page-contact .channel-kind {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-2);
  text-transform: uppercase;
}

.page-contact .channel-value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.1vw, 19px);
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .channel-value--sm {
  font-size: clamp(15px, 1.9vw, 18px);
}

.page-contact .channel-text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-contact .checklist-panel {
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: rgba(11, 27, 51, .62);
}

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

.page-contact .check-item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
}

.page-contact .check-item + .check-item {
  border-top: 1px dashed rgba(28, 58, 97, .9);
}

.page-contact .check-box {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--cyan);
  transition: background-color .2s ease;
}

.page-contact .check-box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(45deg) scale(0);
  transition: transform .2s ease;
}

.page-contact .check-item:hover .check-box {
  background-color: var(--cyan);
}

.page-contact .check-item:hover .check-box::after {
  transform: rotate(45deg) scale(1);
}

.page-contact .check-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-contact .check-text strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .checklist-foot {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--cyan);
  background-color: rgba(47, 227, 240, .07);
  font-size: 14px;
  line-height: 1.72;
  color: var(--text);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow {
  position: relative;
  list-style: none;
  margin: 0 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-contact .flow-num {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--cyan);
  background-color: var(--ink-900);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
}

.page-contact .flow-title {
  margin: 16px 0 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-contact .flow-text {
  margin: 10px 0 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-2);
}

/* ---------- 支持覆盖 ---------- */
.page-contact .support-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 56px;
  padding-top: 44px;
  border-top: 1px solid var(--line);
}

.page-contact .support-copy h3 {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -.015em;
}

.page-contact .support-copy > p {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-2);
}

.page-contact .support-stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .support-stats li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.page-contact .support-num {
  min-width: 74px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--cyan);
}

.page-contact .support-label {
  font-size: 14px;
  color: var(--text-2);
}

.page-contact .support-media {
  margin: 0;
  border: 1px solid var(--line);
  background-color: var(--panel-blue);
}

.page-contact .support-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .support-media figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-2);
}

/* ---------- 商务合作 ---------- */
.page-contact .collab-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .collab-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  transition: border-color .25s ease;
}

.page-contact .collab-item:hover {
  border-top-color: var(--cyan);
}

.page-contact .collab-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: start;
  min-width: 54px;
  height: 26px;
  padding: 0 10px;
  border: 1px solid var(--cyan-deep);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
}

.page-contact .collab-title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-contact .collab-text {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-2);
}

.page-contact .collab-note {
  margin: 30px 0 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background-color: rgba(255, 106, 43, .06);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  overflow-wrap: anywhere;
}

/* ---------- 联系地址 ---------- */
.page-contact .address-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .address-line {
  margin: 0;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background-color: var(--panel-blue);
  font-size: clamp(16px, 2.2vw, 20px);
  line-height: 1.6;
  font-weight: 600;
  color: var(--text);
}

.page-contact .address-meta {
  margin: 22px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .address-meta > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 20px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.page-contact .address-meta dt {
  min-width: 76px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--text-2);
}

.page-contact .address-meta dd {
  margin: 0;
  font-size: 15px;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .schematic {
  position: relative;
  min-height: 220px;
  border: 1px solid var(--line);
  background-color: var(--panel-blue);
  background-image:
    linear-gradient(to right, rgba(28, 58, 97, .6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 58, 97, .6) 1px, transparent 1px);
  background-size: 22px 22px;
  overflow: hidden;
}

.page-contact .sch-road--h {
  position: absolute;
  left: 0;
  right: 0;
  top: 58%;
  height: 10px;
  background-color: rgba(47, 227, 240, .1);
  border-top: 1px solid rgba(47, 227, 240, .5);
  border-bottom: 1px solid rgba(47, 227, 240, .5);
}

.page-contact .sch-road--v {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 30%;
  width: 10px;
  background-color: rgba(47, 227, 240, .1);
  border-left: 1px solid rgba(47, 227, 240, .5);
  border-right: 1px solid rgba(47, 227, 240, .5);
}

.page-contact .sch-pin {
  position: absolute;
  left: calc(30% + 5px);
  top: calc(58% + 5px);
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  background-color: var(--cyan);
  box-shadow: 0 0 0 5px rgba(47, 227, 240, .2);
}

.page-contact .sch-label {
  position: absolute;
  right: 14px;
  bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--text-2);
}

/* ---------- 常见场景 ---------- */
.page-contact .scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .scene-item {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  align-items: baseline;
  justify-content: space-between;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  transition: border-color .25s ease;
}

.page-contact .scene-item:hover {
  border-top-color: var(--cyan);
}

.page-contact .scene-text {
  flex: 1 1 320px;
  min-width: 0;
}

.page-contact .scene-text h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .scene-text p {
  margin: 8px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-2);
}

.page-contact .scene-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 240, .4);
  transition: border-color .2s ease, color .2s ease;
}

.page-contact .scene-link:hover {
  color: var(--text);
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-contact .hero-media img {
    aspect-ratio: 16 / 9;
  }

  .page-contact .address-meta > div {
    flex-wrap: nowrap;
  }
}

@media (min-width: 860px) {
  .page-contact .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .flow::before {
    content: "";
    position: absolute;
    top: 17px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), var(--line) 38%, var(--line));
  }

  .page-contact .flow-step {
    padding-right: 34px;
  }

  .page-contact .flow-step:last-child {
    padding-right: 0;
  }

  .page-contact .collab-item {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-contact .collab-tag {
    margin-top: 2px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 56px 0 72px;
  }

  .page-contact .hero-grid {
    grid-template-columns: 5fr 7fr;
    gap: 52px;
    margin-top: 38px;
  }

  .page-contact .hero-lede {
    font-size: 17px;
  }

  .page-contact .pc-section {
    padding: 84px 0;
  }

  .page-contact .support-block {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
    align-items: center;
  }

  .page-contact .address-board {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: stretch;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }
}
<<<END>>>