.page-contact {
  position: relative;
  padding-top: calc(var(--header-h) + 8px);
  background:
    radial-gradient(860px 560px at 88% -6%, rgba(123, 92, 255, 0.20), transparent 64%),
    radial-gradient(680px 480px at 2% 16%, rgba(63, 224, 255, 0.12), transparent 62%),
    var(--ink-900);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  position: relative;
  z-index: 2;
}
.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-soft);
}
.page-contact .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 255, 0.3);
}
.page-contact .breadcrumb a:hover {
  border-bottom-color: var(--cyan);
}
.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--line-strong);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(18px, 3vw, 34px) 0 clamp(42px, 7vw, 84px);
}
.page-contact .contact-hero__shell {
  display: grid;
  gap: clamp(28px, 5vw, 58px);
  align-items: center;
}
.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.4vw, 76px);
  line-height: 1.08;
  letter-spacing: 0.04em;
  color: var(--white);
}
.page-contact .contact-hero__title em {
  font-style: normal;
  color: var(--cyan);
}
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-contact .contact-hero__title em {
    background: linear-gradient(96deg, var(--cyan), var(--violet) 84%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}
.page-contact .contact-hero__copy .lede {
  margin: 18px 0 0;
  max-width: 60ch;
  color: var(--text-soft);
  line-height: 1.85;
  font-size: clamp(15px, 1.5vw, 17px);
}
.page-contact .contact-hero__meta {
  margin: 22px 0 0;
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(11, 18, 38, 0.6);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--text-soft);
}
.page-contact .contact-hero__visual {
  position: relative;
  margin: 0;
}
.page-contact .contact-hero__visual::before {
  content: "";
  position: absolute;
  inset: -14% -10% 22% 16%;
  border-radius: 50%;
  background: radial-gradient(circle at 60% 40%, rgba(123, 92, 255, 0.28), transparent 66%);
  pointer-events: none;
  z-index: 0;
}
.page-contact .contact-hero__visual .media-frame {
  position: relative;
  z-index: 1;
  aspect-ratio: 7 / 5;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  border-radius: 0;
  clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
  background: var(--ink-800);
}
.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .contact-hero__visual figcaption {
  position: relative;
  z-index: 1;
  margin-top: 12px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--text-soft);
}

/* ---------- 通用小标题组 ---------- */
.page-contact .desk-head {
  max-width: 700px;
  margin: 0 0 clamp(24px, 3.6vw, 42px);
}
.page-contact .desk-head .eyebrow {
  margin: 0 0 12px;
}
.page-contact .desk-head h2 {
  margin: 0 0 12px;
}
.page-contact .desk-head .lede {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.8;
}

/* ---------- 分流台 ---------- */
.page-contact .desk-grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}
.page-contact .desk-paths {
  display: grid;
  gap: 16px;
}
.page-contact .path-card {
  position: relative;
  padding: clamp(20px, 2.4vw, 28px) clamp(20px, 2.4vw, 28px) clamp(20px, 2.4vw, 28px) clamp(24px, 2.8vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(152deg, rgba(21, 28, 59, 0.92), rgba(11, 18, 38, 0.86));
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.page-contact .path-card::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: 3px;
  background: var(--cyan);
}
.page-contact .path-card--gold::before {
  background: var(--gold);
}
.page-contact .path-card--violet::before {
  background: var(--violet);
}
.page-contact .path-card:hover,
.page-contact .path-card:focus-within {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-lift);
}
.page-contact .path-card h3 {
  margin: 14px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.1vw, 23px);
  letter-spacing: 0.03em;
  color: var(--white);
}
.page-contact .path-card > p {
  margin: 0;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.78;
}
.page-contact .path-card__meta {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 8px;
}
.page-contact .path-card__meta div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 10px;
  font-size: 13px;
  line-height: 1.65;
}
.page-contact .path-card__meta dt {
  color: var(--text-soft);
}
.page-contact .path-card__meta dd {
  margin: 0;
  color: var(--white);
}

/* ---------- 留言舱 ---------- */
.page-contact .desk-console {
  position: relative;
  padding: clamp(22px, 2.6vw, 30px);
  border-radius: var(--r-lg);
}
.page-contact .console-legend {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--text-soft);
}
.page-contact .console-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 23px);
  letter-spacing: 0.03em;
  color: var(--white);
}
.page-contact .type-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.page-contact .sr-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}
.page-contact .type-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(11, 18, 38, 0.62);
  color: var(--text-soft);
  font-size: 13.5px;
  line-height: 1.4;
  cursor: pointer;
  user-select: none;
  transition: color 0.24s var(--ease), background 0.24s var(--ease), border-color 0.24s var(--ease);
}
.page-contact .type-chip:hover {
  color: var(--white);
  border-color: var(--line-strong);
}
.page-contact #ct-version:checked + .type-chip,
.page-contact #ct-data:checked + .type-chip,
.page-contact #ct-partner:checked + .type-chip {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-900);
  font-weight: 700;
}
.page-contact .sr-radio:focus-visible + .type-chip {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-contact .type-hint {
  flex: 0 0 100%;
  display: none;
  margin: 4px 0 0;
  padding: 10px 14px;
  border-left: 2px solid var(--cyan);
  border-radius: var(--r-sm);
  background: rgba(63, 224, 255, 0.07);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-soft);
}
.page-contact #ct-version:checked ~ .type-hint--version,
.page-contact #ct-data:checked ~ .type-hint--data,
.page-contact #ct-partner:checked ~ .type-hint--partner {
  display: block;
}
.page-contact .console-field {
  display: block;
  margin-bottom: 14px;
}
.page-contact .console-field label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-soft);
}
.page-contact .console-field input,
.page-contact .console-field textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(5, 7, 15, 0.62);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 14.5px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.page-contact .console-field textarea {
  min-height: 108px;
  line-height: 1.72;
  resize: vertical;
}
.page-contact .console-field input::placeholder,
.page-contact .console-field textarea::placeholder {
  color: rgba(152, 164, 194, 0.6);
}
.page-contact .console-field input:focus,
.page-contact .console-field textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px rgba(63, 224, 255, 0.32);
}
.page-contact .console-submit {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
}
.page-contact .console-note {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--text-soft);
}

/* ---------- 三类做法 ---------- */
.page-contact .guide-list {
  display: grid;
  margin-top: clamp(22px, 3.4vw, 40px);
  border-top: 1px solid var(--line);
}
.page-contact .guide-item {
  display: grid;
  gap: clamp(12px, 2.2vw, 32px);
  padding: clamp(24px, 3.4vw, 40px) 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .guide-item__num {
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
  opacity: 0.85;
}
.page-contact .guide-item__body h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.3vw, 25px);
  letter-spacing: 0.03em;
  color: var(--white);
}
.page-contact .guide-item__body > p {
  margin: 0;
  max-width: 66ch;
  color: var(--text-soft);
  font-size: 15.5px;
  line-height: 1.82;
}
.page-contact .guide-item__points {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .guide-item__points li {
  position: relative;
  padding-left: 20px;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.72;
}
.page-contact .guide-item__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}
.page-contact .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 255, 0.34);
}
.page-contact .inline-link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-rhythm {
  margin: clamp(42px, 6vw, 84px) 0;
}
.page-contact .rhythm-band {
  position: relative;
  padding: clamp(48px, 7vw, 88px) 0 clamp(44px, 6vw, 76px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-contact .rhythm-band__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
  filter: saturate(0.7) contrast(1.05);
  pointer-events: none;
}
.page-contact .rhythm-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 7, 15, 0.94), rgba(11, 18, 38, 0.86) 46%, rgba(5, 7, 15, 0.95));
  pointer-events: none;
}
.page-contact .rhythm-band .shell {
  position: relative;
  z-index: 1;
}
.page-contact .rhythm-head .eyebrow {
  margin: 0 0 12px;
}
.page-contact .rhythm-head h2 {
  margin: 0;
}
.page-contact .rhythm-track {
  position: relative;
  display: grid;
  gap: 26px;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .rhythm-node {
  position: relative;
}
.page-contact .rhythm-node__dot {
  display: block;
  width: 14px;
  height: 14px;
  margin-bottom: 16px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink-900);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.page-contact .rhythm-node:hover .rhythm-node__dot {
  border-color: var(--gold);
  box-shadow: 0 0 0 6px rgba(255, 196, 107, 0.14);
}
.page-contact .rhythm-node__time {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-contact .rhythm-node strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.03em;
  color: var(--white);
}
.page-contact .rhythm-node p {
  margin: 0;
  max-width: 34ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-soft);
}
.page-contact .rhythm-node__more {
  display: block;
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gold);
  transition: max-height 0.34s var(--ease), opacity 0.34s var(--ease), margin-top 0.34s var(--ease);
}
.page-contact .rhythm-node:hover .rhythm-node__more,
.page-contact .rhythm-node:focus-within .rhythm-node__more {
  max-height: 90px;
  margin-top: 8px;
  opacity: 1;
}

/* ---------- 准备清单与联系方式 ---------- */
.page-contact .details-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}
.page-contact .details-copy .eyebrow {
  margin: 0 0 12px;
}
.page-contact .details-copy h2 {
  margin: 0;
}
.page-contact .checklist {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .checklist li {
  position: relative;
  padding: 12px 14px 12px 44px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(11, 18, 38, 0.62);
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.72;
}
.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 17px;
  width: 12px;
  height: 12px;
  border: 1px solid var(--cyan);
  border-radius: 3px;
  background: rgba(63, 224, 255, 0.08);
}
.page-contact .details-tail {
  margin: 20px 0 0;
  max-width: 62ch;
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.82;
}
.page-contact .details-card {
  position: relative;
  padding: clamp(22px, 2.6vw, 30px);
  border-radius: var(--r-lg);
}
.page-contact .details-card h3 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 23px);
  letter-spacing: 0.03em;
  color: var(--white);
}
.page-contact .contact-lines {
  display: grid;
  gap: 14px;
  margin: 0;
}
.page-contact .contact-lines > div {
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}
.page-contact .contact-lines > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .contact-lines dt {
  margin-bottom: 6px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--text-soft);
}
.page-contact .contact-lines dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--white);
  word-break: break-word;
}
.page-contact .contact-lines dd.is-text {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.7;
}
.page-contact .details-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 900px) {
  .page-contact .guide-item {
    grid-template-columns: 132px minmax(0, 1fr);
  }
  .page-contact .rhythm-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
  .page-contact .rhythm-track::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 7px;
    height: 1px;
    background: linear-gradient(90deg, rgba(63, 224, 255, 0.5), rgba(123, 92, 255, 0.5) 55%, rgba(255, 196, 107, 0.5));
  }
  .page-contact .rhythm-node {
    padding-right: 26px;
  }
  .page-contact .rhythm-node__dot {
    position: relative;
    z-index: 1;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__shell {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }
  .page-contact .details-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1020px) {
  .page-contact .desk-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 520px) {
  .page-contact .path-card__meta div {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
  .page-contact .contact-lines dd {
    font-size: 13px;
  }
  .page-contact .type-chip {
    padding: 7px 13px;
    font-size: 13px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .path-card,
  .page-contact .type-chip,
  .page-contact .rhythm-node__dot,
  .page-contact .rhythm-node__more {
    transition: none;
  }
  .page-contact .path-card:hover,
  .page-contact .path-card:focus-within {
    transform: none;
  }
}
<<<END>>>