.page-contact {
  --c: var(--gold);
}

/* ===== 首屏 ===== */
.page-contact .contact-intro {
  position: relative;
  overflow: hidden;
}
.page-contact .contact-intro::before {
  content: "";
  position: absolute;
  top: -45%;
  right: -28%;
  width: 62%;
  height: 190%;
  background: linear-gradient(140deg, rgba(124, 92, 255, .22), rgba(47, 224, 192, .07) 55%, transparent 78%);
  transform: skewX(-14deg);
  pointer-events: none;
  z-index: 0;
}
.page-contact .contact-intro .wrap {
  position: relative;
  z-index: 1;
}
.page-contact .contact-intro .eyebrow {
  color: var(--pulse);
  letter-spacing: .14em;
  margin: 0 0 .8rem;
}
.page-contact .contact-intro h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 6.4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 0 0 1.2rem;
  max-width: 24ch;
}
.page-contact .contact-intro h1::after {
  content: "";
  display: block;
  width: 4.5rem;
  height: 6px;
  margin-top: 1.2rem;
  background: linear-gradient(90deg, var(--coral), var(--gold), var(--pulse), var(--nebula));
  transform: skewX(-22deg);
}
.page-contact .contact-intro__lead {
  color: var(--stardust);
  font-size: 1.05rem;
  line-height: 1.85;
  max-width: 44ch;
  margin: 0;
}

/* ===== 通用小节标题 ===== */
.page-contact .contact-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.6vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0 0 .7rem;
}
.page-contact .contact-section-sub {
  color: var(--orbit);
  line-height: 1.8;
  margin: 0 0 2rem;
  max-width: 50ch;
}

/* ===== 三种联系方式 ===== */
.page-contact .contact-grid {
  display: grid;
  gap: 1.6rem;
}
.page-contact .contact-card {
  --c: var(--gold);
  position: relative;
  padding: 1.8rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: .9rem;
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), transform .3s var(--ease);
}
.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--c), rgba(255, 255, 255, 0) 85%);
}
.page-contact .contact-card h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0;
}
.page-contact .contact-card > p:last-child {
  color: var(--orbit);
  font-size: .95rem;
  line-height: 1.75;
  margin: 0;
}
.page-contact .contact-card:hover {
  border-color: var(--c);
  transform: translateY(-2px);
  box-shadow: 12px 12px 0 rgba(34, 48, 92, .9);
}
.page-contact .contact-card--gold { --c: var(--gold); }
.page-contact .contact-card--pulse { --c: var(--pulse); }
.page-contact .contact-card--nebula { --c: var(--nebula); }

.page-contact .contact-card__value {
  display: block;
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .01em;
  line-height: 1.6;
  color: var(--gold);
  text-decoration: none;
  word-break: break-all;
  padding: .75rem 0;
  border-top: 1px solid var(--ink-edge);
  border-bottom: 1px solid var(--ink-edge);
  transition: color .25s var(--ease);
}
.page-contact a.contact-card__value:hover {
  color: var(--white);
}
.page-contact .contact-card__value--plain {
  color: var(--stardust);
}

.page-contact .contact-channels__figure {
  margin: 2.2rem 0 0;
  border: var(--line);
  box-shadow: var(--shadow-hard);
  position: relative;
}
.page-contact .contact-channels__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 11, 31, 0) 45%, rgba(5, 11, 31, .72));
  pointer-events: none;
}
.page-contact .contact-channels__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .contact-channels__figure .media-frame__caption {
  z-index: 1;
}

/* ===== 电脑端指引面板 ===== */
.page-contact .desktop-guide {
  position: relative;
  padding: 2rem 1.5rem 2.25rem;
  display: grid;
  gap: 2rem;
  overflow: hidden;
}
.page-contact .desktop-guide::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--gold), var(--pulse) 40%, var(--nebula) 70%, var(--coral));
}
.page-contact .desktop-guide h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.4vw, 2.1rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: .6rem 0 1rem;
}
.page-contact .desktop-guide__text > p {
  color: var(--orbit);
  line-height: 1.85;
  margin: 0;
  max-width: 46ch;
}
.page-contact .desktop-guide__steps {
  list-style: none;
  counter-reset: step;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.page-contact .desktop-guide__steps li {
  position: relative;
  padding-left: 3.4rem;
  color: var(--stardust);
  font-size: .97rem;
  line-height: 1.8;
}
.page-contact .desktop-guide__steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .15rem;
  width: 2.35rem;
  height: 2.35rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--ink-void);
  background: var(--pulse);
  border: 2px solid var(--pulse);
  box-shadow: 4px 4px 0 rgba(34, 48, 92, .9);
}
.page-contact .desktop-guide .btn-row {
  margin-top: 1.75rem;
}
.page-contact .desktop-guide__figure {
  margin: 0;
  border: var(--line);
  box-shadow: var(--shadow-hard);
}
.page-contact .desktop-guide__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ===== 联络前准备 ===== */
.page-contact .prepare-panel {
  position: relative;
  padding: 2rem 1.5rem 2.25rem;
  overflow: hidden;
}
.page-contact .prepare-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 6px;
  background: linear-gradient(180deg, var(--coral), var(--gold), var(--pulse));
}
.page-contact .prepare-panel h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.4vw, 2.1rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: .6rem 0 .9rem;
}
.page-contact .prepare-panel__lead {
  color: var(--orbit);
  line-height: 1.85;
  margin: 0;
  max-width: 50ch;
}
.page-contact .prepare-list {
  margin: 1.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}
.page-contact .prepare-list__item {
  padding: 1.2rem 1.2rem 1.25rem;
  border-left: 4px solid var(--gold);
  background: rgba(124, 92, 255, .07);
  transition: background .3s var(--ease), border-color .3s var(--ease);
}
.page-contact .prepare-list__item:nth-child(2) { border-left-color: var(--pulse); }
.page-contact .prepare-list__item:nth-child(3) { border-left-color: var(--coral); }
.page-contact .prepare-list__item:nth-child(4) { border-left-color: var(--nebula); }
.page-contact .prepare-list__item:hover {
  background: rgba(124, 92, 255, .14);
}
.page-contact .prepare-list dt {
  font-family: var(--font-display);
  font-size: 1.12rem;
  letter-spacing: -0.005em;
  color: var(--white);
  margin-bottom: .45rem;
}
.page-contact .prepare-list dd {
  margin: 0;
  color: var(--orbit);
  font-size: .95rem;
  line-height: 1.75;
}

/* ===== 常见场景手风琴 ===== */
.page-contact .accordion {
  margin-top: .5rem;
}
.page-contact .accordion__item {
  border: var(--line);
  border-bottom: none;
  background: var(--ink-panel);
}
.page-contact .accordion__item:last-child {
  border-bottom: var(--line);
}
.page-contact .accordion__trigger {
  width: 100%;
  display: flex;
  gap: 1.2rem;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 1.25rem;
  background: transparent;
  border: 0;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.12rem;
  letter-spacing: -0.005em;
  text-align: left;
  cursor: pointer;
  transition: color .25s var(--ease), background .25s var(--ease);
}
.page-contact .accordion__trigger:hover {
  color: var(--gold);
}
.page-contact .accordion__item.is-open .accordion__trigger {
  color: var(--gold);
}
.page-contact .accordion__icon {
  flex: 0 0 auto;
  width: 1.2rem;
  height: 1.2rem;
  position: relative;
  border: 2px solid var(--orbit);
  transition: border-color .25s var(--ease);
}
.page-contact .accordion__icon::before,
.page-contact .accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--orbit);
  transition: transform .3s var(--ease), background .25s var(--ease);
}
.page-contact .accordion__icon::before {
  left: 18%;
  right: 18%;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}
.page-contact .accordion__icon::after {
  top: 18%;
  bottom: 18%;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
}
.page-contact .accordion__item.is-open .accordion__icon {
  border-color: var(--gold);
}
.page-contact .accordion__item.is-open .accordion__icon::before {
  background: var(--gold);
}
.page-contact .accordion__item.is-open .accordion__icon::after {
  transform: translateX(-50%) scaleY(0);
}
.page-contact .accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease);
}
.page-contact .accordion__inner {
  padding: 0 1.25rem 1.5rem;
  color: var(--orbit);
  font-size: .95rem;
  line-height: 1.85;
}
.page-contact .accordion__inner p {
  margin: 0;
  max-width: 62ch;
}
.page-contact .contact-scenes__foot {
  margin: 1.8rem 0 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--orbit);
}

/* ===== 断点 ===== */
@media (min-width: 720px) {
  .page-contact .prepare-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.3rem;
  }
  .page-contact .desktop-guide {
    padding: 2.5rem 2.25rem 2.75rem;
  }
  .page-contact .prepare-panel {
    padding: 2.5rem 2.25rem 2.75rem;
  }
}

@media (min-width: 760px) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .desktop-guide {
    grid-template-columns: 1.3fr 1fr;
    align-items: start;
    gap: 2.75rem;
    padding: 3rem 2.75rem 3.25rem;
  }
  .page-contact .contact-intro h1 {
    max-width: 22ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .accordion__trigger,
  .page-contact .accordion__icon,
  .page-contact .accordion__panel,
  .page-contact .prepare-list__item {
    transition: opacity .2s linear;
  }
  .page-contact .contact-card:hover {
    transform: none;
  }
}
</PAGE_CSS>