.page-contact {
  --pc-tilt: 3.4deg;
  --pc-cyan-wash: rgba(43, 227, 218, .16);
  --pc-amber-wash: rgba(255, 180, 60, .14);
  --pc-inverse-soft: rgba(242, 245, 248, .78);
  background: var(--paper);
  color: var(--text);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding: var(--space-3) 0 0;
}

/* ---------- 章节标记 ---------- */
.page-contact .section {
  padding-block: clamp(3rem, 8vw, 5.5rem);
}

.page-contact .chapter {
  display: flex;
  align-items: center;
  gap: .85rem;
  margin-bottom: var(--space-3);
}

.page-contact .chapter__num {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .1em;
  color: var(--cyan-ink);
}

.page-contact .chapter__label {
  font-family: var(--font-editorial);
  font-size: var(--step-2);
  letter-spacing: .12em;
  color: var(--text-muted);
  white-space: nowrap;
}

.page-contact .chapter__rule {
  flex: 1 1 auto;
  height: 1px;
  background: var(--rule);
}

.page-contact .chapter--inverse .chapter__num { color: var(--amber-gold); }
.page-contact .chapter--inverse .chapter__label { color: rgba(242, 245, 248, .68); }
.page-contact .chapter--inverse .chapter__rule { background: var(--rule-inverse); }

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  margin-top: var(--space-2);
  padding: clamp(2.6rem, 7vw, 4.5rem) 0 clamp(4.5rem, 11vw, 8rem);
  color: var(--text-inverse);
  background:
    radial-gradient(115% 85% at 88% 2%, rgba(43, 227, 218, .22), transparent 62%),
    radial-gradient(90% 70% at 6% 100%, rgba(122, 92, 255, .18), transparent 66%),
    linear-gradient(168deg, var(--deep-sea) 0%, #0A2742 58%, #0C1F33 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 68px), 0 100%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -14%;
  width: 62%;
  height: 130%;
  background: linear-gradient(160deg, var(--pc-cyan-wash), transparent 64%);
  transform: rotate(-7deg);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.8rem, 5vw, 3rem);
}

.page-contact .contact-hero__eyebrow {
  margin: 0 0 var(--space-2);
  font-family: var(--font-editorial);
  font-size: var(--step-1);
  letter-spacing: .18em;
  color: var(--electric-cyan);
}

.page-contact .contact-hero__title {
  margin: 0 0 var(--space-3);
  max-width: 19ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-6);
  line-height: 1.14;
  letter-spacing: -.02em;
}

.page-contact .contact-hero__text {
  margin: 0 0 var(--space-4);
  max-width: 42ch;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--pc-inverse-soft);
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) clamp(1.25rem, 4vw, 2.75rem);
  margin: 0;
  padding: var(--space-3) 0 0;
  border-top: 1px solid var(--rule-inverse);
  list-style: none;
}

.page-contact .contact-fact {
  display: grid;
  gap: .3rem;
}

.page-contact .contact-fact__num {
  font-family: var(--font-mono);
  font-size: var(--step-3);
  letter-spacing: .04em;
  color: var(--amber-gold);
}

.page-contact .contact-fact__label {
  font-size: var(--step-1);
  color: rgba(242, 245, 248, .66);
}

.page-contact .contact-hero__aside {
  align-self: end;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border: 1px solid rgba(43, 227, 218, .34);
  border-radius: var(--radius-md);
  background: linear-gradient(158deg, rgba(15, 51, 80, .92), rgba(7, 28, 46, .94));
  box-shadow: var(--shadow-lift);
}

.page-contact .contact-hero__aside-label {
  margin: 0 0 var(--space-2);
  font-size: var(--step-1);
  letter-spacing: .16em;
  color: rgba(242, 245, 248, .62);
}

.page-contact .contact-hero__aside-code {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--step-4);
  letter-spacing: .04em;
  line-height: 1.4;
  color: var(--amber-gold);
}

.page-contact .contact-hero__aside-text {
  margin: 0 0 var(--space-3);
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--pc-inverse-soft);
}

/* ---------- 联系渠道 ---------- */
.page-contact .channel-section {
  background: var(--paper);
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .channel-grid {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-contact .channel-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.3rem, 2.8vw, 2rem);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  background: #FFFFFF;
  box-shadow: var(--shadow-soft);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
}

.page-contact .channel-card--mail::before { background: linear-gradient(90deg, var(--electric-cyan), #0C7C74); }
.page-contact .channel-card--phone::before { background: linear-gradient(90deg, var(--violet), #4A32C7); }
.page-contact .channel-card--addr::before { background: linear-gradient(90deg, var(--amber-gold), var(--coral)); }

.page-contact .channel-card--mail {
  border-color: transparent;
  color: var(--text-inverse);
  background: linear-gradient(155deg, var(--night-navy), var(--deep-sea));
  box-shadow: var(--shadow-lift);
}

.page-contact .channel-card__tag {
  display: inline-block;
  margin: 0 0 var(--space-2);
  padding: .3rem .7rem;
  border-radius: 999px;
  font-size: var(--step-1);
  letter-spacing: .06em;
  color: var(--cyan-ink);
  background: rgba(12, 124, 116, .1);
}

.page-contact .channel-card--mail .channel-card__tag {
  color: var(--electric-cyan);
  background: rgba(43, 227, 218, .14);
}

.page-contact .channel-card__title {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-4);
  letter-spacing: -.01em;
}

.page-contact .channel-card__value {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--step-3);
  letter-spacing: .02em;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .channel-card--mail .channel-card__value {
  font-size: var(--step-4);
  color: var(--amber-gold);
}

.page-contact .channel-card__text {
  margin: 0 0 var(--space-3);
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--text-muted);
}

.page-contact .channel-card--mail .channel-card__text {
  color: var(--pc-inverse-soft);
}

.page-contact .channel-card__link {
  display: inline-block;
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--cyan-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(12, 124, 116, .35);
  padding-bottom: 2px;
}

.page-contact .channel-card--mail .channel-card__link {
  color: var(--electric-cyan);
  border-bottom-color: rgba(43, 227, 218, .45);
}

.page-contact .channel-card__link:hover {
  border-bottom-color: currentColor;
}

.page-contact .channel-figure {
  margin: var(--space-4) 0 0;
}

.page-contact .channel-figure .media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
}

.page-contact .figure__caption {
  margin-top: var(--space-2);
  font-size: var(--step-1);
  color: var(--text-muted);
}

/* ---------- 回复时间与加急 ---------- */
.page-contact .reply-section {
  color: var(--text-inverse);
  background:
    linear-gradient(200deg, rgba(122, 92, 255, .16), transparent 55%),
    linear-gradient(180deg, var(--deep-sea), #0A2B46);
}

.page-contact .reply-section .section__title {
  color: var(--text-inverse);
}

.page-contact .reply-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.page-contact .reply-text {
  margin: 0 0 var(--space-3);
  max-width: 60ch;
  font-size: var(--step-3);
  line-height: 1.85;
  color: var(--pc-inverse-soft);
}

.page-contact .reply-list {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .reply-list__item {
  display: grid;
  gap: .4rem;
  padding: var(--space-3);
  border-left: 3px solid var(--amber-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(242, 245, 248, .06);
}

.page-contact .reply-list__item:first-child {
  border-left-color: var(--electric-cyan);
}

.page-contact .reply-list__key {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  letter-spacing: .04em;
  color: var(--amber-gold);
}

.page-contact .reply-list__val {
  font-size: var(--step-2);
  line-height: 1.7;
  color: rgba(242, 245, 248, .8);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .prep-section {
  background: var(--paper);
}

.page-contact .prep-layout {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.page-contact .prep-layout__list .accordion {
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  margin-bottom: .75rem;
  overflow: hidden;
}

.page-contact .accordion__trigger {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 1.05rem 1.2rem;
  font-size: var(--step-2);
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.page-contact .accordion__trigger::-webkit-details-marker {
  display: none;
}

.page-contact .accordion__trigger::before {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cyan-ink);
  border-bottom: 2px solid var(--cyan-ink);
  transform: rotate(45deg);
  transition: transform .22s var(--ease);
}

.page-contact details[open] .accordion__trigger::before {
  transform: rotate(225deg);
}

.page-contact details[open] .accordion__trigger {
  background: rgba(12, 124, 116, .06);
}

.page-contact .accordion__panel {
  padding: 0 1.2rem 1.2rem;
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--text-muted);
}

.page-contact .accordion__panel p {
  margin: 0;
}

/* ---------- 常见咨询主题 ---------- */
.page-contact .topic-section {
  color: var(--text-inverse);
  background:
    radial-gradient(80% 70% at 92% 6%, rgba(255, 122, 92, .2), transparent 60%),
    linear-gradient(152deg, var(--claret) 0%, #7A2149 62%, #4E1430 100%);
  padding-bottom: 0;
}

.page-contact .topic-section .section__title {
  color: var(--text-inverse);
}

.page-contact .topic-section .section__head {
  margin-bottom: var(--space-4);
}

.page-contact .topic-section .section__lead {
  color: rgba(242, 245, 248, .82);
}

.page-contact .topic-band {
  padding-bottom: clamp(3rem, 8vw, 5rem);
}

.page-contact .topic-band .band__track {
  display: flex;
  gap: var(--space-3);
  margin: 0;
  padding: 0 0 var(--space-2);
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-contact .topic-band .band__item {
  flex: 0 0 min(80vw, 320px);
  scroll-snap-align: start;
}

.page-contact .topic-card {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  height: 100%;
  padding: 1.35rem;
  border: 1px solid rgba(242, 245, 248, .24);
  border-radius: var(--radius-md);
  background: rgba(11, 17, 22, .3);
}

.page-contact .topic-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .12em;
  color: var(--amber-gold);
}

.page-contact .topic-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-4);
  color: var(--paper);
}

.page-contact .topic-card__text {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.75;
  color: rgba(242, 245, 248, .84);
}

.page-contact .topic-card__link {
  align-self: flex-start;
  margin-top: auto;
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--electric-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 218, .45);
  padding-bottom: 2px;
}

.page-contact .topic-card__link:hover {
  border-bottom-color: currentColor;
}

/* ---------- 处理流程 ---------- */
.page-contact .flow-section {
  background: var(--paper);
}

.page-contact .flow-layout {
  margin-top: var(--space-3);
}

.page-contact .flow-track {
  position: relative;
  display: grid;
  gap: var(--space-3);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
  z-index: 1;
  padding: 1.5rem 1.25rem 1.4rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  background: #FFFFFF;
  box-shadow: var(--shadow-soft);
}

.page-contact .flow-step__num {
  display: block;
  margin-bottom: .55rem;
  font-family: var(--font-mono);
  font-size: var(--step-4);
  letter-spacing: .08em;
  color: var(--violet-ink);
}

.page-contact .flow-step__title {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-4);
  color: var(--ink);
}

.page-contact .flow-step__text {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--text-muted);
}

/* ---------- 收束区 ---------- */
.page-contact .contact-close {
  padding: 0 0 clamp(3rem, 8vw, 5rem);
  background: var(--paper);
}

.page-contact .close-figure {
  margin: 0 0 var(--space-4);
}

.page-contact .close-figure .media {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .contact-close__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-5);
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .contact-close__text {
  margin: 0 0 var(--space-3);
  max-width: 52ch;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--text-muted);
}

.page-contact .close-links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .close-links a {
  display: inline-block;
  padding: .6rem 1.05rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: #FFFFFF;
  font-size: var(--step-2);
  color: var(--cyan-ink);
  text-decoration: none;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-contact .close-links a:hover {
  border-color: var(--cyan-ink);
  transform: translateY(-2px);
}

/* ---------- 图片 ---------- */
.page-contact .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-card--mail {
    grid-column: 1 / -1;
  }

  .page-contact .topic-band .band__item {
    flex-basis: 300px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .95fr);
    align-items: end;
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, .9fr);
    gap: var(--space-3);
  }

  .page-contact .channel-card--mail {
    grid-column: auto;
    padding: 2.2rem 1.9rem;
  }

  .page-contact .channel-card--phone {
    margin-top: var(--space-3);
  }

  .page-contact .channel-card--addr {
    margin-top: var(--space-4);
  }

  .page-contact .reply-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    align-items: start;
    gap: var(--space-4);
  }

  .page-contact .prep-layout {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .page-contact .prep-layout__intro {
    position: sticky;
    top: var(--space-4);
  }

  .page-contact .flow-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .flow-track::before {
    content: "";
    position: absolute;
    top: 30px;
    left: 4%;
    right: 4%;
    height: 2px;
    background: linear-gradient(90deg, var(--electric-cyan), var(--violet), var(--amber-gold));
    opacity: .5;
  }

  .page-contact .flow-layout__intro {
    max-width: 56ch;
  }
}

@media (min-width: 1080px) {
  .page-contact .topic-band .band__item {
    flex-basis: 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .accordion__trigger::before,
  .page-contact .close-links a {
    transition: none;
  }
}
<<<END>>>