.page-contact {
  --pc-card-bg: linear-gradient(158deg, rgba(12, 44, 74, 0.92), rgba(6, 26, 46, 0.96));
  --pc-cyan-faint: rgba(53, 242, 224, 0.06);
  --pc-amber-faint: rgba(255, 194, 75, 0.08);
  --pc-hair: rgba(168, 191, 212, 0.14);
}

/* ---------- 面包屑微调 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(20px, 4vw, 44px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 52px);
  align-items: start;
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 12px 0 18px;
  max-width: 15em;
}

.page-contact .contact-hero__lede {
  color: var(--ink-2);
  max-width: 42em;
}

.page-contact .contact-hero__hint {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-amber);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
  max-width: 34em;
}

.page-contact .contact-hero__figure {
  position: relative;
}

.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -6px;
  width: 46%;
  height: 46%;
  border-right: 1px solid var(--c-cyan);
  border-bottom: 1px solid var(--c-cyan);
  opacity: 0.45;
  pointer-events: none;
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: center;
  }
  .page-contact .contact-hero__figure::after {
    right: -14px;
    bottom: -14px;
  }
}

/* ---------- 坐标刻度分隔 ---------- */
.page-contact .coord-rule {
  margin: clamp(34px, 6vw, 64px) auto clamp(10px, 2vw, 20px);
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-channels__head {
  max-width: 60ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .contact-card {
  position: relative;
  background: var(--pc-card-bg);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  padding: 24px 22px 26px;
  box-shadow: var(--shadow-panel);
  transition: border-color var(--t-mid) var(--ease), transform var(--t-mid) var(--ease);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--c-amber);
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  border-color: var(--c-cyan);
  transform: translateY(-3px);
}

.page-contact .contact-card__coord {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
}

.page-contact .contact-card__coord::after {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.page-contact .contact-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.03em;
  color: var(--ink);
  margin: 0 0 10px;
}

.page-contact .contact-card__desc {
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-2);
  margin: 0;
}

.page-contact .contact-card__value {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-hair);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

@media (min-width: 900px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }
  .page-contact .contact-card--mail { grid-column: 1 / span 5; }
  .page-contact .contact-card--phone { grid-column: 6 / span 3; margin-top: 36px; }
  .page-contact .contact-card--addr { grid-column: 9 / span 4; margin-top: 72px; }
}

/* ---------- 设备迁移 ---------- */
.page-contact .contact-migrate__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .contact-migrate__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-2);
  max-width: 44em;
}

.page-contact .contact-migrate__steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-migrate__steps li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pc-hair);
  transition: background-color var(--t-fast) var(--ease);
}

.page-contact .contact-migrate__steps li:hover {
  background: var(--pc-cyan-faint);
}

.page-contact .contact-migrate__steps li:first-child {
  border-top: 1px solid var(--pc-hair);
}

.page-contact .step-index {
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-amber);
}

.page-contact .step-body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .step-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-2);
}

.page-contact .contact-migrate__aside {
  margin: 26px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--c-cyan);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-contact .contact-migrate__figure {
  margin: 0;
}

@media (min-width: 900px) {
  .page-contact .contact-migrate__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }
  .page-contact .contact-migrate__figure {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

/* ---------- 处理时段 ---------- */
.page-contact .contact-hours__head {
  max-width: 58ch;
  margin-bottom: 8px;
}

.page-contact .contact-hours__lead,
.page-contact .section__lead {
  color: var(--ink-2);
}

.page-contact .contact-hours__rows {
  margin-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--pc-hair);
}

.page-contact .contact-hours__row {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 16px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--pc-hair);
  transition: background-color var(--t-fast) var(--ease);
}

.page-contact .contact-hours__row:hover {
  background: var(--pc-cyan-faint);
}

.page-contact .contact-hours__mark {
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-contact .contact-hours__text h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .contact-hours__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-2);
  max-width: 56em;
}

@media (min-width: 760px) {
  .page-contact .contact-hours__row {
    grid-template-columns: 110px 1fr;
    gap: 28px;
    padding: 22px 8px;
  }
}

/* ---------- 地址 ---------- */
.page-contact .contact-address__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: linear-gradient(120deg, var(--pc-amber-faint), rgba(6, 26, 46, 0.72) 58%);
}

.page-contact .contact-address__marker {
  display: inline-flex;
  align-items: flex-start;
}

.page-contact .contact-address__title {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.8vw, 30px);
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .contact-address__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink-2);
  max-width: 52em;
}

@media (min-width: 760px) {
  .page-contact .contact-address__inner {
    grid-template-columns: auto 1fr;
    gap: 28px;
    align-items: start;
  }
}

/* ---------- 反馈 ---------- */
.page-contact .contact-feedback__head {
  max-width: 60ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .contact-feedback__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .feedback-item {
  background: var(--bg-panel);
  border: 1px solid var(--pc-hair);
  border-radius: var(--radius);
  padding: 20px 20px 22px;
  transition: border-color var(--t-mid) var(--ease), transform var(--t-mid) var(--ease);
}

.page-contact .feedback-item:hover,
.page-contact .feedback-item:focus-within {
  border-color: var(--c-cyan);
  transform: translateY(-2px);
}

.page-contact .feedback-item h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .feedback-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-contact .contact-feedback__foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-3);
  max-width: 60em;
}

@media (min-width: 800px) {
  .page-contact .contact-feedback__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 18px;
  }
  .page-contact .feedback-item:nth-child(1) { grid-column: 1 / span 3; }
  .page-contact .feedback-item:nth-child(2) { grid-column: 4 / span 3; }
  .page-contact .feedback-item:nth-child(3) { grid-column: 1 / span 6; }
}

/* ---------- 收尾留白 ---------- */
.page-contact .contact-feedback {
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 420px) {
  .page-contact .contact-card__value {
    font-size: 13px;
  }
  .page-contact .contact-migrate__steps li {
    grid-template-columns: 26px 1fr;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .feedback-item {
    transition: none;
  }
  .page-contact .contact-card:hover,
  .page-contact .feedback-item:hover {
    transform: none;
  }
}
</main>