.page-contact {
  position: relative;
  overflow-x: clip;
}

.page-contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 420px;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(760px 400px at 10% 0%, rgba(139, 92, 246, 0.20), transparent 70%),
    radial-gradient(700px 360px at 90% 6%, rgba(37, 232, 212, 0.12), transparent 72%);
}

.page-contact > section {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-block: 36px 56px;
}

.page-contact .contact-hero__eyebrow {
  margin: 26px 0 14px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--muted-dim);
}

.page-contact .contact-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(34px, 7.4vw, 68px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-hero__lead {
  max-width: 42ch;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.78;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .hero-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 40px 0 0;
  padding: 0;
}

.page-contact .hero-fact {
  position: relative;
  padding: 16px 18px 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(20, 28, 74, 0.72), rgba(7, 10, 26, 0.62));
}

.page-contact .hero-fact::before {
  content: "";
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 0;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
}

.page-contact .hero-fact__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted-dim);
}

.page-contact .hero-fact__value {
  margin: 0 0 6px;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--cyan);
}

.page-contact .hero-fact__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .contact-figure {
  margin: 44px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--ink-950);
  box-shadow: var(--shadow-card);
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.page-contact .contact-figure--texture {
  margin: 8px 0 48px;
  border-radius: var(--radius);
  box-shadow: none;
}

.page-contact .contact-figure--texture img {
  aspect-ratio: 3 / 1;
  opacity: 0.82;
}

/* ---------- 主区布局 ---------- */

.page-contact .contact-main {
  padding-block: 8px 72px;
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-contact .contact-rail {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .channel-card {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(20, 28, 74, 0.9), rgba(11, 16, 48, 0.88));
  box-shadow: var(--shadow-float);
  overflow: hidden;
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--line-strong);
}

.page-contact .channel-card--primary::after {
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-contact .channel-card--phone::after {
  background: var(--violet);
}

.page-contact .channel-card--addr::after {
  background: var(--muted-dim);
}

.page-contact .channel-card__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted-dim);
}

.page-contact .channel-card__lede {
  margin: 0 0 8px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .channel-card__value {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  word-break: break-word;
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
}

.page-contact .channel-card__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted-dim);
}

.page-contact .rail-nav {
  display: grid;
  gap: 2px;
  margin-top: 8px;
  padding-left: 0;
  border-left: 1px solid var(--line);
}

.page-contact .rail-nav__link {
  display: block;
  margin-left: -1px;
  padding: 9px 12px 9px 16px;
  border-left: 2px solid transparent;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--muted-dim);
  text-decoration: none;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .rail-nav__link:hover,
.page-contact .rail-nav__link:focus-visible {
  color: var(--white);
  border-left-color: var(--line-strong);
}

.page-contact .rail-nav__link.is-current {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

/* ---------- 章节 ---------- */

.page-contact .contact-body {
  display: grid;
}

.page-contact .contact-block {
  scroll-margin-top: 120px;
  margin-bottom: 56px;
}

.page-contact .contact-block:last-child {
  margin-bottom: 0;
}

.page-contact .contact-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-block__num {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .contact-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 800;
  line-height: 1.28;
  color: var(--white);
}

.page-contact .prose {
  color: var(--muted);
}

.page-contact .prose p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.78;
}

.page-contact .prose p:last-child {
  margin-bottom: 0;
}

/* ---------- 信息清单 ---------- */

.page-contact .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .step-list__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line-strong);
}

.page-contact .step-list__item:first-child {
  padding-top: 4px;
}

.page-contact .step-list__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--cyan-line);
  border-radius: 9px;
  background: var(--cyan-soft);
  font-size: 13px;
  color: var(--cyan);
}

.page-contact .step-list__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .step-list__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .contact-tip {
  margin: 22px 0 0;
  padding: 14px 18px;
  border: 1px solid var(--violet-line);
  border-radius: var(--radius);
  background: var(--violet-soft);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--white);
}

/* ---------- 受理范围 ---------- */

.page-contact .scope-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .scope-card {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(20, 28, 74, 0.66), rgba(7, 10, 26, 0.7));
}

.page-contact .scope-card--yes {
  border-color: var(--cyan-line);
}

.page-contact .scope-card--no {
  border-color: var(--violet-line);
}

.page-contact .scope-card__title {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .scope-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-contact .scope-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .scope-list li::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-contact .scope-card--no .scope-list li::before {
  background: var(--violet);
}

.page-contact .scope-card__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 备案信息 ---------- */

.page-contact .legal-strip {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.page-contact .legal-strip__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 18px;
  background: rgba(7, 10, 26, 0.86);
}

.page-contact .legal-strip__key {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted-dim);
}

.page-contact .legal-strip__val {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--white);
}

.page-contact .contact-legal__note {
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-figure--texture img {
    aspect-ratio: 16 / 5;
  }
}

@media (min-width: 760px) {
  .page-contact .scope-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .legal-strip__row {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding-block: 48px 72px;
  }

  .page-contact .contact-layout {
    grid-template-columns: 296px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: 104px;
  }

  .page-contact .contact-block {
    margin-bottom: 68px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .rail-nav__link {
    transition: none;
  }
}
<<<END>>>