.page-contact {
  color: var(--ink);
  background: var(--navy);
  font-family: var(--font-sans);
}

.page-contact .pc-wrap {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 18px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: 30px 0 48px;
  overflow: hidden;
  background:
    radial-gradient(680px 380px at 84% 8%, rgba(255, 122, 47, .22), transparent 70%),
    radial-gradient(520px 340px at 6% 92%, rgba(139, 92, 246, .22), transparent 72%),
    var(--navy);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  bottom: -2px;
  height: 84px;
  background: linear-gradient(90deg, rgba(139, 92, 246, .28), rgba(53, 225, 200, .18) 55%, rgba(255, 122, 47, .26));
  clip-path: polygon(0 62%, 100% 0, 100% 100%, 0 100%);
  opacity: .55;
  pointer-events: none;
}

.page-contact .pc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-contact .pc-hero__copy {
  min-width: 0;
}

.page-contact .pc-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .pc-eyebrow__no {
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-contact .pc-eyebrow__label {
  text-transform: uppercase;
}

.page-contact .pc-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(34px, 8.4vw, 68px);
  line-height: 1.06;
  letter-spacing: -.022em;
  font-weight: 900;
  color: var(--ink);
  text-shadow: 0 0 26px rgba(255, 122, 47, .18);
}

.page-contact .pc-hero__lede {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .pc-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 26px;
}

.page-contact .pc-quick__link {
  display: inline-block;
  padding-bottom: 3px;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .pc-quick__link:hover,
.page-contact .pc-quick__link:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

/* ---------- 图片容器 ---------- */
.page-contact .pc-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel-2);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-contact .pc-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-figure--hero {
  margin-top: 4px;
}

.page-contact .pc-figure--night {
  margin-bottom: 26px;
  border-color: rgba(53, 225, 200, .28);
}

/* ---------- 区块与标题 ---------- */
.page-contact .pc-section {
  padding: 46px 0;
}

.page-contact .pc-head {
  margin-bottom: 26px;
}

.page-contact .pc-head__idx {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .pc-head__idx .tz-num {
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-contact .pc-head__title {
  margin: 12px 0 0;
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -.015em;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .pc-head__lede {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 三条渠道 ---------- */
.page-contact .pc-chan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .pc-chan {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--panel), var(--panel-2));
  box-shadow: var(--shadow-card);
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-contact .pc-chan:hover {
  border-color: var(--amber);
  transform: translateY(-3px);
  box-shadow: 0 14px 26px rgba(4, 8, 20, .5);
}

.page-contact .pc-chan--mail {
  border-color: rgba(255, 122, 47, .5);
  background:
    radial-gradient(420px 260px at 100% 0%, rgba(255, 122, 47, .2), transparent 70%),
    linear-gradient(160deg, var(--panel), var(--panel-2));
}

.page-contact .pc-chan--addr {
  border-color: rgba(53, 225, 200, .26);
}

.page-contact .pc-chan__badge {
  align-self: flex-start;
  margin: 0;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--navy);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}

.page-contact .pc-chan__title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .pc-chan__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.6vw, 23px);
  line-height: 1.45;
  color: var(--amber);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .pc-chan__value--text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .pc-chan__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .pc-chan__desc a,
.page-contact .pc-priority__main a,
.page-contact .pc-priority__note a,
.page-contact .pc-checklist__tail a,
.page-contact .pc-flow__tail a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 47, .5);
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .pc-chan__desc a:hover,
.page-contact .pc-priority__main a:hover,
.page-contact .pc-priority__note a:hover,
.page-contact .pc-checklist__tail a:hover,
.page-contact .pc-flow__tail a:hover {
  color: var(--amber);
  border-color: var(--amber);
}

.page-contact .pc-chan__sub {
  margin: 6px 0 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .pc-chan__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .pc-chan__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
}

.page-contact .pc-chan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--cyan);
}

/* ---------- 邮件优先 ---------- */
.page-contact .pc-priority {
  background:
    linear-gradient(180deg, rgba(19, 28, 58, .0), rgba(19, 28, 58, .7) 45%, rgba(11, 18, 38, 0));
}

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

.page-contact .pc-priority__main {
  min-width: 0;
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
}

.page-contact .pc-priority__main p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--muted);
}

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

.page-contact .pc-priority__aside {
  min-width: 0;
  padding: 24px 22px;
  border: 1px solid rgba(139, 92, 246, .45);
  border-radius: var(--radius);
  background:
    radial-gradient(300px 200px at 0% 100%, rgba(139, 92, 246, .24), transparent 70%),
    var(--panel);
}

.page-contact .pc-priority__aside-title {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  font-weight: 700;
}

.page-contact .pc-priority__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-priority__facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(11, 18, 38, .55);
  font-size: 15px;
  color: var(--ink);
}

.page-contact .pc-priority__facts .mono {
  color: var(--cyan);
  font-size: 13px;
}

.page-contact .pc-priority__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 问题描述清单 ---------- */
.page-contact .pc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .pc-list__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel-2);
  transition: border-color var(--ease), background var(--ease), transform var(--ease);
}

.page-contact .pc-list__item:hover {
  border-color: var(--amber);
  background: var(--panel);
  transform: translateX(3px);
}

.page-contact .pc-list__box {
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 2px solid var(--line);
  border-radius: 6px;
  transition: border-color var(--ease), background var(--ease);
}

.page-contact .pc-list__item:hover .pc-list__box {
  border-color: var(--amber);
  background: var(--amber);
}

.page-contact .pc-list__item:hover .pc-list__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 7px;
  height: 12px;
  border: solid var(--navy);
  border-width: 0 2px 2px 0;
  transform: rotate(42deg);
}

.page-contact .pc-list__body {
  min-width: 0;
}

.page-contact .pc-list__body h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .pc-list__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .pc-checklist__tail,
.page-contact .pc-flow__tail {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 回复流程阶梯 ---------- */
.page-contact .pc-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .pc-flow__step {
  position: relative;
  min-width: 0;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  overflow: hidden;
  transition: border-color var(--ease);
}

.page-contact .pc-flow__step:hover {
  border-color: var(--amber);
}

.page-contact .pc-flow__step::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--violet));
}

.page-contact .pc-flow__step:nth-child(2)::before {
  background: linear-gradient(90deg, var(--violet), var(--cyan));
}

.page-contact .pc-flow__step:nth-child(3)::before {
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}

.page-contact .pc-flow__no {
  margin: 0;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-contact .pc-flow__title {
  margin: 10px 0 10px;
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .pc-flow__tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--amber);
  background: rgba(11, 18, 38, .6);
}

.page-contact .pc-flow__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 收束 ---------- */
.page-contact .pc-signoff {
  padding: 34px 0 56px;
}

.page-contact .pc-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  align-items: baseline;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-contact .pc-legal__item {
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-wrap {
    padding: 0 28px;
  }

  .page-contact .pc-section {
    padding: 58px 0;
  }

  .page-contact .pc-hero {
    padding: 40px 0 60px;
  }

  .page-contact .pc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 18px;
  }

  .page-contact .pc-chan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-chan--mail {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
    gap: 48px;
  }

  .page-contact .pc-figure--hero {
    margin-top: 0;
  }

  .page-contact .pc-chan-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    grid-template-rows: repeat(2, minmax(0, auto));
    align-items: start;
    gap: 18px;
  }

  .page-contact .pc-chan--mail {
    grid-column: 1;
    grid-row: 1 / span 2;
    align-self: stretch;
  }

  .page-contact .pc-chan--phone {
    grid-column: 2;
    grid-row: 1;
    margin-top: 22px;
  }

  .page-contact .pc-chan--addr {
    grid-column: 2;
    grid-row: 2;
    margin-bottom: 22px;
  }

  .page-contact .pc-priority__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 20px;
  }

  .page-contact .pc-flow__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 18px;
  }

  .page-contact .pc-flow__step:nth-child(2) {
    margin-top: 32px;
  }

  .page-contact .pc-flow__step:nth-child(3) {
    margin-top: 64px;
  }
}
<<<END>>>