.page-contact {
  --pc-card: rgba(19, 28, 66, 0.72);
  --pc-gold-line: rgba(245, 200, 107, 0.24);
  position: relative;
  overflow-x: clip;
}

.page-contact .pc-crumb {
  padding-top: clamp(18px, 4vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: clamp(22px, 4.5vw, 40px) 0 clamp(44px, 8vw, 84px);
  overflow: hidden;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: -24%;
  right: -20%;
  width: min(820px, 94vw);
  aspect-ratio: 1;
  background:
    radial-gradient(closest-side, rgba(255, 61, 127, 0.26), transparent 74%),
    radial-gradient(closest-side, rgba(43, 231, 214, 0.14), transparent 70%);
  filter: blur(6px);
  pointer-events: none;
  z-index: 0;
}

.page-contact .pc-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 5vw, 46px);
  align-items: center;
}

.page-contact .pc-hero__title {
  margin: 14px 0 0;
  font-size: clamp(34px, 7vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-contact .pc-hero__lead {
  margin-top: 18px;
  max-width: 32em;
  color: var(--haze);
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.78;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}

.page-contact .pc-hero__meter {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--haze);
}

.page-contact .pc-hero__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-card);
  aspect-ratio: 16 / 11;
  isolation: isolate;
}

.page-contact .pc-hero__visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.06) contrast(1.03);
}

.page-contact .pc-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(10, 18, 48, 0.1) 0%, rgba(10, 18, 48, 0.76) 78%);
  pointer-events: none;
}

.page-contact .pc-hero__visual::before {
  content: "";
  position: absolute;
  left: -28%;
  top: 58%;
  width: 168%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--rose), transparent);
  transform: rotate(-12deg);
  opacity: 0.85;
  z-index: 2;
  pointer-events: none;
}

.page-contact .pc-hero__anno {
  position: absolute;
  top: 16px;
  left: 14px;
  z-index: 3;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan-soft);
  opacity: 0.9;
}

/* ---------- 渠道切换 ---------- */
.page-contact .pc-channels .mg-section__head {
  align-items: flex-end;
  gap: 16px;
}

.page-contact .pc-head-note {
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--haze);
  margin: 0;
}

.page-contact .pc-h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--fog);
}

.page-contact .pc-h2--narrow {
  max-width: 15em;
}

.page-contact .pc-switch {
  position: relative;
  margin-top: clamp(22px, 4vw, 34px);
}

.page-contact .pc-switch__radio {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}

.page-contact .pc-switch__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .pc-tab {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 190px;
  padding: 12px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  background: rgba(19, 28, 66, 0.55);
  color: var(--haze);
  font-size: 15px;
  cursor: pointer;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease),
    background 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .pc-tab .mg-mono {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .pc-tab:hover {
  transform: translateY(-2px);
  border-color: var(--line);
  color: var(--fog);
}

.page-contact #pc-ch-email:checked ~ .pc-switch__tabs .pc-tab[for="pc-ch-email"],
.page-contact #pc-ch-phone:checked ~ .pc-switch__tabs .pc-tab[for="pc-ch-phone"],
.page-contact #pc-ch-ticket:checked ~ .pc-switch__tabs .pc-tab[for="pc-ch-ticket"] {
  color: var(--white);
  border-color: rgba(255, 61, 127, 0.62);
  background: rgba(255, 61, 127, 0.16);
}

.page-contact #pc-ch-email:focus-visible ~ .pc-switch__tabs .pc-tab[for="pc-ch-email"],
.page-contact #pc-ch-phone:focus-visible ~ .pc-switch__tabs .pc-tab[for="pc-ch-phone"],
.page-contact #pc-ch-ticket:focus-visible ~ .pc-switch__tabs .pc-tab[for="pc-ch-ticket"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .pc-switch__panels {
  margin-top: 16px;
}

.page-contact .pc-chan {
  display: none;
  gap: clamp(20px, 4vw, 38px);
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(152deg, rgba(43, 231, 214, 0.09), transparent 44%),
    var(--pc-card);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.page-contact .pc-chan::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 132px;
  height: 2px;
  background: linear-gradient(90deg, var(--rose), var(--cyan));
}

.page-contact #pc-ch-email:checked ~ .pc-switch__panels .pc-chan--email,
.page-contact #pc-ch-phone:checked ~ .pc-switch__panels .pc-chan--phone,
.page-contact #pc-ch-ticket:checked ~ .pc-switch__panels .pc-chan--ticket {
  display: grid;
}

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

.page-contact .pc-chan__tagrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
}

.page-contact .pc-chan__num {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--haze);
}

.page-contact .pc-chan__title {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.3;
  color: var(--fog);
}

.page-contact .pc-chan__text {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--haze);
}

.page-contact .pc-chan__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 19px);
  letter-spacing: 0.02em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-chan__link {
  margin: 18px 0 0;
}

.page-contact .pc-chan__facts {
  margin: 0;
  display: grid;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  min-width: 0;
}

.page-contact .pc-chan__facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .pc-chan__facts dd {
  margin: 5px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--haze);
}

/* ---------- 准备材料 ---------- */
.page-contact .pc-prep__inner {
  display: grid;
  gap: clamp(24px, 5vw, 54px);
}

.page-contact .pc-prep__note {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--haze);
}

.page-contact .pc-prep__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .pc-checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-checklist__box {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-top: 1px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(43, 231, 214, 0.07);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-contact .pc-checklist__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  color: var(--fog);
}

.page-contact .pc-checklist__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--haze);
}

.page-contact .pc-checklist__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 邮件与电话 ---------- */
.page-contact .pc-guide {
  display: grid;
  gap: clamp(18px, 3.6vw, 32px);
  margin-top: clamp(22px, 4vw, 34px);
}

.page-contact .pc-guide__col {
  position: relative;
  padding: clamp(20px, 3.4vw, 32px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(19, 28, 66, 0.92), rgba(10, 18, 48, 0.58));
  overflow: hidden;
}

.page-contact .pc-guide__col::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(20px, 3.4vw, 32px);
  width: 62px;
  height: 2px;
}

.page-contact .pc-guide__col:nth-child(1)::before {
  background: var(--rose);
}

.page-contact .pc-guide__col:nth-child(2)::before {
  background: var(--cyan);
}

.page-contact .pc-guide__col h3 {
  margin: 0 0 12px;
  font-size: clamp(18px, 2.2vw, 23px);
  color: var(--fog);
}

.page-contact .pc-guide__col p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--haze);
}

.page-contact .pc-guide__meta {
  margin: 16px 0 0;
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

/* ---------- 工单流程 ---------- */
.page-contact .pc-ticket__grid {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
}

.page-contact .pc-ticket__text {
  margin: 16px 0 0;
  max-width: 32em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--haze);
}

.page-contact .pc-ticket__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .pc-steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .pc-steps__num {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--rose-soft);
  padding-top: 4px;
}

.page-contact .pc-steps__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--haze);
}

/* ---------- 联系信息板 ---------- */
.page-contact .pc-board {
  position: relative;
  margin-top: clamp(52px, 9vw, 104px);
  padding: clamp(44px, 8vw, 88px) 0 clamp(36px, 6vw, 64px);
  background: var(--ink-900);
  border-top: 1px solid var(--pc-gold-line);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .pc-board__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .pc-board__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: saturate(0.9);
}

.page-contact .pc-board__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(10, 18, 48, 0.96) 8%, rgba(10, 18, 48, 0.72) 62%, rgba(10, 18, 48, 0.94) 100%);
}

.page-contact .pc-board__inner {
  position: relative;
  z-index: 1;
}

.page-contact .pc-board__eyebrow {
  color: var(--gold);
}

.page-contact .pc-board__list {
  display: grid;
  margin: clamp(22px, 4vw, 34px) 0 0;
  border-top: 1px solid var(--pc-gold-line);
}

.page-contact .pc-board__item {
  padding: 18px 0;
  border-bottom: 1px solid var(--pc-gold-line);
  min-width: 0;
}

.page-contact .pc-board__item dt {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .pc-board__item dd {
  margin: 8px 0 0;
  font-size: clamp(16px, 2.2vw, 20px);
  line-height: 1.5;
  color: var(--fog);
  overflow-wrap: anywhere;
}

.page-contact .pc-board__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: 26px;
}

.page-contact .pc-board__note {
  margin: 0;
  max-width: 46em;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--haze);
}

.page-contact .pc-board__icp {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .pc-chan__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 24px;
  }

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

  .page-contact .pc-board__item {
    padding: 0 20px;
    border-bottom: 0;
    border-left: 1px solid var(--pc-gold-line);
  }

  .page-contact .pc-board__item:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

@media (min-width: 860px) {
  .page-contact .pc-guide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-ticket__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-prep__inner {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-contact .pc-chan {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .pc-chan__facts {
    grid-template-columns: minmax(0, 1fr);
    padding: 0 0 0 26px;
    border-top: 0;
    border-left: 1px solid var(--line-soft);
  }
}

@media (min-width: 980px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  }

  .page-contact .pc-hero__visual {
    aspect-ratio: 14 / 10;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-tab,
  .page-contact .pc-tab:hover {
    transition: none;
    transform: none;
  }
}