.page-contact {
  --contact-gap: clamp(56px, 8vw, 112px);
  padding: calc(var(--top-h) + 28px) var(--gutter) 0;
  max-width: var(--max);
  margin-inline: auto;
  color: var(--white);
}

.page-contact__crumbs {
  margin-bottom: 24px;
}

/* ---------- Hero ---------- */
.page-contact__hero {
  display: grid;
  gap: 28px;
  padding-bottom: var(--contact-gap);
}

.page-contact__hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: 30px;
  line-height: 1.16;
  margin: 14px 0 16px;
}

.page-contact__lead {
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 40em;
}

.page-contact__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact__quick {
  margin: 32px 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(159, 176, 206, 0.22);
}

.page-contact__quick-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(159, 176, 206, 0.16);
}

.page-contact__quick-item dt {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact__quick-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 17px;
  color: var(--neon);
  overflow-wrap: anywhere;
}

.page-contact__quick-item dd a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed rgba(43, 227, 210, 0.45);
}

.page-contact__quick-item dd a:hover,
.page-contact__quick-item dd a:focus-visible {
  border-bottom-style: solid;
}

.page-contact__quick-num {
  color: var(--white) !important;
}

.page-contact__hero-media {
  margin: 0;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: var(--shadow-card);
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}

.page-contact__hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05);
}

.page-contact__hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(11, 24, 52, 0.05) 30%, rgba(11, 24, 52, 0.72) 100%);
  pointer-events: none;
}

.page-contact__hero-media figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  z-index: 1;
  font-size: 13px;
  color: var(--white);
  opacity: 0.86;
}

/* ---------- 通用 section ---------- */
.page-contact__section {
  padding-block: var(--contact-gap);
  border-top: 1px solid rgba(159, 176, 206, 0.16);
}

.page-contact__section .lj-section-desc {
  max-width: 46em;
}

/* ---------- 渠道卡片 ---------- */
.page-contact__channels {
  margin-top: 36px;
  display: grid;
  gap: 16px;
}

.page-contact__channel {
  position: relative;
  padding: 26px 22px 22px;
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid rgba(159, 176, 206, 0.18);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact__channel:hover {
  transform: translateY(-4px);
  border-color: rgba(43, 227, 210, 0.42);
}

.page-contact__channel-bar {
  position: absolute;
  top: 0;
  left: 22px;
  width: 52px;
  height: 3px;
  border-radius: 0 0 3px 3px;
}

.page-contact__channel--blue .page-contact__channel-bar { background: var(--blue); }
.page-contact__channel--neon .page-contact__channel-bar { background: var(--neon); }
.page-contact__channel--orange .page-contact__channel-bar { background: var(--orange); }
.page-contact__channel--green .page-contact__channel-bar { background: var(--green); }

.page-contact__channel-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin: 6px 0 0;
}

.page-contact__channel h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.4;
  margin: 0;
  letter-spacing: -0.01em;
}

.page-contact__channel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact__channel-link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--neon);
  text-decoration: none;
}

.page-contact__channel-link:hover,
.page-contact__channel-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 左右错位双栏 ---------- */
.page-contact__section--split {
  display: grid;
  gap: 32px;
}

.page-contact__split-main .lj-section-title {
  margin-top: 10px;
  margin-bottom: 16px;
}

.page-contact__split-main .lj-prose {
  color: var(--muted);
}

.page-contact__split-main .lj-prose strong {
  color: var(--white);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.page-contact__checklist {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact__checklist li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.65;
  color: var(--white);
}

.page-contact__checklist span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(43, 227, 210, 0.14);
  border: 1px solid rgba(43, 227, 210, 0.38);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-contact__copy-row {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--ink-2);
  border: 1px solid rgba(159, 176, 206, 0.16);
}

.page-contact__copy-key {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.05em;
  flex: 0 0 auto;
}

.page-contact__copy-row .lj-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  flex: 1 1 auto;
}

.page-contact__copy-row .lj-copy__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact__copy-row .lj-copy__hint {
  flex: 0 0 100%;
  font-size: 12px;
  color: var(--neon);
  min-height: 0;
}

/* 侧栏节奏卡 */
.page-contact__split-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact__pace {
  padding: 20px;
  border-radius: var(--radius);
  background: var(--ink-2);
  border-left: 3px solid var(--blue);
}

.page-contact__pace--accent {
  border-left-color: var(--orange);
}

.page-contact__pace-label {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact__pace-value {
  margin: 6px 0 4px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--white);
}

.page-contact__pace-value small {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  margin-left: 6px;
}

.page-contact__pace-desc {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

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

/* ---------- 合作区块（深色横幅） ---------- */
.page-contact__section--ink {
  background: linear-gradient(160deg, var(--ink-2), var(--ink-3));
  border-radius: 20px;
  padding: clamp(32px, 5vw, 56px) clamp(22px, 4vw, 48px);
  border-top-color: transparent;
  position: relative;
  overflow: hidden;
}

.page-contact__section--ink::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 47, 0.22), transparent 68%);
  pointer-events: none;
}

.page-contact__coop-head {
  position: relative;
  z-index: 1;
}

.page-contact__coop-body {
  position: relative;
  z-index: 1;
  margin-top: 34px;
  display: grid;
  gap: 30px;
}

.page-contact__steps {
  list-style: none;
  counter-reset: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact__step {
  position: relative;
  padding: 0 0 26px 34px;
  border-left: 1px solid rgba(43, 227, 210, 0.26);
}

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

.page-contact__step-no {
  position: absolute;
  left: -15px;
  top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--ink-3);
  border: 1px solid rgba(43, 227, 210, 0.5);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-contact__step h3 {
  margin: 4px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-contact__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact__coop-media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(159, 176, 206, 0.18);
}

.page-contact__coop-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact__coop-media figcaption {
  padding: 12px 16px 14px;
  font-size: 13px;
  color: var(--muted);
}

.page-contact__coop-notes {
  position: relative;
  z-index: 1;
  margin-top: 34px;
  display: grid;
  gap: 14px;
}

.page-contact__coop-note {
  padding: 20px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(159, 176, 206, 0.14);
}

.page-contact__coop-note h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: 0.02em;
}

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

/* ---------- 纠错区块 ---------- */
.page-contact__feedback-grid {
  margin-top: 26px;
  display: grid;
  gap: 14px;
}

.page-contact__feedback-item {
  padding: 18px 20px;
  border-radius: 12px;
  background: var(--glass);
  border-left: 2px solid var(--green);
}

.page-contact__feedback-item h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
}

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

.page-contact__split-side--paper {
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 26px 22px;
  align-content: start;
}

.page-contact__aside-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 19px;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.page-contact__quote {
  margin: 16px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--orange);
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  color: #1c2a4d;
}

.page-contact__split-side--paper .page-contact__aside-note {
  color: #4a5878;
  margin-top: 16px;
}

.page-contact__split-side--paper .lj-btn {
  margin-top: 20px;
  align-self: start;
}

/* ---------- 地址窄栏 ---------- */
.page-contact__section--narrow {
  max-width: 880px;
  margin-inline: auto;
}

.page-contact__address {
  margin-top: 28px;
  display: grid;
  gap: 24px;
}

.page-contact__address-main {
  padding: 26px 22px;
  border-radius: var(--radius);
  border: 1px dashed rgba(43, 227, 210, 0.45);
  background: rgba(43, 227, 210, 0.05);
}

.page-contact__address-line {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 19px;
  line-height: 1.5;
  color: var(--white);
  letter-spacing: -0.01em;
}

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

.page-contact__address-side {
  padding: 26px 22px;
  border-radius: var(--radius);
  border: 1px dashed rgba(159, 176, 206, 0.35);
}

.page-contact__address-side h3 {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-contact__dot-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact__dot-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--white);
}

.page-contact__dot-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--orange);
}

/* ---------- 联系之前 ---------- */
.page-contact__before-grid {
  margin-top: 34px;
  display: grid;
  gap: 14px;
}

.page-contact__before-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  border-radius: var(--radius);
  background: var(--ink-2);
  border: 1px solid rgba(159, 176, 206, 0.16);
  color: var(--white);
  text-decoration: none;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-contact__before-card:hover,
.page-contact__before-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(74, 140, 255, 0.55);
  background: #16294f;
}

.page-contact__before-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.page-contact__before-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.42;
}

.page-contact__before-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--muted);
}

.page-contact__before-go {
  margin-top: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--neon);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact {
    padding-inline: var(--gutter);
  }

  .page-contact__hero-copy h1 {
    font-size: 40px;
    line-height: 1.12;
  }

  .page-contact__hero {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 36px;
  }

  .page-contact__quick {
    grid-template-columns: repeat(3, 1fr);
    border-top: none;
    gap: 0 20px;
  }

  .page-contact__quick-item {
    border-bottom: none;
    border-top: 2px solid rgba(43, 227, 210, 0.3);
    padding-top: 14px;
  }

  .page-contact__channels {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact__channels .page-contact__channel:nth-child(2) {
    margin-top: 28px;
  }

  .page-contact__channels .page-contact__channel:nth-child(4) {
    margin-top: 28px;
  }

  .page-contact__section--split {
    grid-template-columns: 1.5fr 0.9fr;
    gap: 40px;
    align-items: start;
  }

  .page-contact__section--reverse .page-contact__split-side {
    order: -1;
  }

  .page-contact__feedback-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact__coop-notes {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact__address {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .page-contact__before-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1080px) {
  .page-contact {
    padding-inline: var(--gutter);
  }

  .page-contact__hero {
    grid-template-columns: 1fr 1.05fr;
    gap: 56px;
  }

  .page-contact__hero-copy h1 {
    font-size: 48px;
    line-height: 1.08;
  }

  .page-contact__hero-media {
    clip-path: polygon(6% 0, 100% 0, 100% 100%, 0 92%);
  }

  .page-contact__channels {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact__channels .page-contact__channel:nth-child(1) { margin-top: 0; }
  .page-contact__channels .page-contact__channel:nth-child(2) { margin-top: 34px; }
  .page-contact__channels .page-contact__channel:nth-child(3) { margin-top: 12px; }
  .page-contact__channels .page-contact__channel:nth-child(4) { margin-top: 46px; }

  .page-contact__section--split {
    grid-template-columns: 1.7fr 0.85fr;
    gap: 64px;
  }

  .page-contact__section--split .page-contact__split-main {
    padding-right: 8px;
  }

  .page-contact__coop-body {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact__before-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
<<<END>>>