.page-contact {
  background: var(--c-void);
  color: var(--c-white);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-anno);
  letter-spacing: .06em;
  color: var(--c-mute);
  margin-bottom: clamp(18px, 3vw, 32px);
}
.page-contact .breadcrumb a {
  color: var(--c-mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}
.page-contact .breadcrumb__sep { color: var(--c-line); }
.page-contact .breadcrumb [aria-current="page"] { color: var(--c-white); }

/* ---------- 页头 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(24px, 4vw, 44px) 0 clamp(34px, 6vw, 72px);
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -22%;
  right: -14%;
  width: min(86vw, 880px);
  height: min(86vw, 880px);
  background: linear-gradient(135deg, rgba(0, 240, 208, .12), rgba(138, 92, 255, .08) 52%, transparent 74%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 62%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: end;
}

.page-contact h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-contact .contact-hero__lead {
  margin: 18px 0 0;
  max-width: 40rem;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: rgba(242, 246, 250, .82);
}

.page-contact .contact-hero__stamp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0 0;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 176, 32, .55);
  font-family: var(--font-mono);
  font-size: var(--fs-anno);
  letter-spacing: .05em;
  color: var(--c-amber);
}
.page-contact .contact-hero__mark {
  width: 7px;
  height: 7px;
  background: var(--c-amber);
  transform: rotate(45deg);
  flex: none;
}

.page-contact .contact-hero__media {
  margin: 0;
  border: 2px solid var(--c-line);
  background: var(--c-panel);
  box-shadow: var(--shadow-hard);
}
.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 通用区块标题 ---------- */
.page-contact .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  margin-bottom: clamp(18px, 3vw, 30px);
}
.page-contact .section-head__title {
  margin: 0;
  font-size: clamp(23px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
}
.page-contact .section-head__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-anno);
  letter-spacing: .14em;
  color: var(--c-purple);
}

/* ---------- 三块展签 ---------- */
.page-contact .channels {
  display: grid;
  gap: 16px;
}
.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 3vw, 28px);
  background: var(--c-panel);
  border: 2px solid var(--c-line);
  box-shadow: var(--shadow-hard-sm);
  transition: transform var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
}
.page-contact .channel:hover,
.page-contact .channel:focus-within {
  transform: translateY(-2px);
  border-color: var(--c-cyan);
  box-shadow: var(--shadow-hard);
}
.page-contact .channel__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-anno);
  letter-spacing: .1em;
  color: var(--c-purple);
}
.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.3vw, 18px);
  line-height: 1.45;
  color: var(--c-cyan);
  overflow-wrap: anywhere;
}
.page-contact .channel__note {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--c-mute);
}

/* ---------- 响应时段 ---------- */
.page-contact .shift-grid {
  display: grid;
  gap: 16px;
}
.page-contact .label-vertical {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-anno);
  letter-spacing: .18em;
  color: var(--c-cyan);
}
.page-contact .shift-body h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3.2vw, 31px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
}
.page-contact .shift-body__lead {
  margin: 0;
  max-width: 42rem;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: rgba(242, 246, 250, .78);
}
.page-contact .shift-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .shift-list li {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 14px 16px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-amber);
}
.page-contact .shift-list__k {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: .04em;
  color: var(--c-amber);
}
.page-contact .shift-list__v {
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: var(--c-mute);
}

/* ---------- 准备项 ---------- */
.page-contact .prep-grid {
  display: grid;
  gap: 16px;
}
.page-contact .prep-card {
  padding: clamp(18px, 3vw, 26px);
  background: var(--c-deck);
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-cyan);
}
.page-contact .prep-card h3 {
  margin: 0;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.page-contact .prep-card ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-contact .prep-card li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--c-mute);
}
.page-contact .prep-card li::before {
  content: "+";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  color: var(--c-cyan);
}
.page-contact .prep-foot {
  margin: 20px 0 0;
  max-width: 46rem;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--c-mute);
}

.page-contact a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 240, 208, .4);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.page-contact a:hover,
.page-contact a:focus-visible {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 渠道对应 ---------- */
.page-contact .route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}
.page-contact .route-row {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
  transition: background-color var(--t-fast) var(--ease);
}
.page-contact .route-row:hover { background: rgba(20, 27, 36, .55); }
.page-contact .route-row__type {
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-white);
}
.page-contact .route-row__chan {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--c-cyan);
}
.page-contact .route-row__what {
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--c-mute);
}

/* ---------- 合作 ---------- */
.page-contact .partner {
  display: grid;
  gap: clamp(20px, 3.5vw, 34px);
  padding: clamp(22px, 4vw, 42px);
  background: var(--c-panel);
  border: 2px solid var(--c-line);
  box-shadow: var(--shadow-hard);
}
.page-contact .partner__copy h2 {
  margin: 12px 0 14px;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
}
.page-contact .partner__copy p {
  margin: 0 0 14px;
  max-width: 40rem;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: rgba(242, 246, 250, .78);
}
.page-contact .partner__copy p:last-child { margin-bottom: 0; }
.page-contact .partner__panel {
  padding: 18px 20px;
  background: var(--c-void);
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-purple);
}
.page-contact .partner__panel-k {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-anno);
  letter-spacing: .12em;
  color: var(--c-purple);
}
.page-contact .partner__panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-contact .partner__panel-list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--c-mute);
}
.page-contact .partner__panel-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--c-cyan);
}
.page-contact .partner__panel-v {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--c-cyan);
  overflow-wrap: anywhere;
}

/* ---------- 下一步 ---------- */
.page-contact .togo {
  display: grid;
  gap: 20px;
  align-items: center;
}
.page-contact .togo__copy h2 {
  margin: 0 0 10px;
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.page-contact .togo__copy p {
  margin: 0;
  max-width: 38rem;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--c-mute);
}
.page-contact .togo__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .togo__actions .btn {
  text-decoration: none;
  border-bottom: 0;
}

/* ---------- 备案条带 ---------- */
.page-contact .contact-legal {
  padding-block: clamp(20px, 3.5vw, 34px);
  background: var(--c-deck);
  border-top: 1px solid var(--c-line);
}
.page-contact .contact-legal__inner {
  display: grid;
  gap: 14px;
  align-items: center;
}
.page-contact .contact-legal__media {
  margin: 0;
  width: 110px;
  border: 1px solid var(--c-line);
  opacity: .7;
}
.page-contact .contact-legal__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}
.page-contact .contact-legal__text { min-width: 0; }
.page-contact .contact-legal__line {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-anno);
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--c-mute);
}
.page-contact .contact-legal__links {
  margin: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-anno);
}
.page-contact .contact-legal__links a { border-bottom: 0; }

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .shift-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .contact-legal__inner {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 24px;
  }
}

@media (min-width: 820px) {
  .page-contact .channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .route-row {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .85fr) minmax(0, 1.5fr);
    gap: 8px 22px;
    align-items: baseline;
    padding: 18px 12px 18px 0;
  }
  .page-contact .shift-grid {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 28px;
  }
  .page-contact .label-vertical {
    writing-mode: vertical-rl;
    padding-top: 4px;
  }
}

@media (min-width: 940px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(28px, 4vw, 56px);
  }
  .page-contact .partner {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    align-items: start;
  }
  .page-contact .togo {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .route-row {
    transition: none;
  }
  .page-contact .channel:hover,
  .page-contact .channel:focus-within {
    transform: none;
  }
}
<<<END>>>