.page-contact {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .ct-kicker {
  margin: 0 0 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--teal-700);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .ct-kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--teal-500);
  flex: none;
}

/* ---------- hero ---------- */
.page-contact .ct-hero {
  border-bottom: var(--hair);
  background: var(--paper);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding: 20px 0 44px;
}

.page-contact .ct-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 15em;
}

.page-contact .ct-hero__lede {
  margin: 0 0 26px;
  font-size: 15px;
  line-height: 1.78;
  letter-spacing: 0.01em;
  max-width: 38em;
  border-left: 2px solid var(--line);
  padding-left: 16px;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .ct-hero__actions .btn {
  border-radius: 0;
}

/* ---------- 响应面板 ---------- */
.page-contact .ct-panel {
  position: relative;
  background: var(--indigo-900);
  border: 1px solid rgba(211, 218, 232, 0.16);
  padding: 20px;
  overflow: hidden;
}

.page-contact .ct-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(139, 148, 168, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 148, 168, 0.13) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.page-contact .ct-panel__inner {
  position: relative;
  z-index: 1;
}

.page-contact .ct-panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: var(--hair-dark);
}

.page-contact .ct-panel__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--teal-500);
}

.page-contact .ct-panel__ver {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--text-dark-2);
}

.page-contact .ct-lane {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 16px 0;
  border-bottom: var(--hair-dark);
}

.page-contact .ct-lane__key {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid rgba(211, 218, 232, 0.24);
}

.page-contact .ct-lane--a .ct-lane__key {
  color: var(--amber-500);
  border-color: rgba(240, 160, 60, 0.5);
}

.page-contact .ct-lane--b .ct-lane__key {
  color: var(--teal-500);
  border-color: rgba(15, 181, 166, 0.5);
}

.page-contact .ct-lane__name {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.2;
  color: var(--text-dark-1);
}

.page-contact .ct-lane__req {
  margin: 4px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-dark-2);
}

.page-contact .ct-lane__sla {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: var(--text-dark-1);
  border: 1px solid rgba(211, 218, 232, 0.2);
  padding: 5px 8px;
}

.page-contact .ct-lane--a .ct-lane__sla {
  color: var(--amber-500);
  border-color: rgba(240, 160, 60, 0.4);
}

.page-contact .ct-lane--b .ct-lane__sla {
  color: var(--teal-500);
  border-color: rgba(15, 181, 166, 0.4);
}

.page-contact .ct-panel__foot {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-dark-2);
}

/* ---------- 联系信息条 ---------- */
.page-contact .ct-strip {
  background: var(--indigo-800);
  border-bottom: 1px solid rgba(211, 218, 232, 0.14);
}

.page-contact .ct-strip__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 22px 0;
}

.page-contact .ct-strip__key {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--teal-500);
}

.page-contact .ct-strip__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dark-1);
  word-break: break-word;
}

.page-contact .ct-strip__val.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ---------- 章节骨架 ---------- */
.page-contact .ct-section {
  padding: 40px 0;
  border-bottom: var(--hair);
}

.page-contact .ct-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: var(--hair);
}

.page-contact .ct-head__index {
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--teal-500);
}

.page-contact .ct-head__kicker {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--metal-500);
}

.page-contact .ct-head__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.8vw, 34px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .ct-lede {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  max-width: 68ch;
  color: #39405A;
}

.page-contact .ct-link {
  color: var(--teal-700);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 127, 118, 0.4);
  padding-bottom: 2px;
}

.page-contact .ct-link:hover,
.page-contact .ct-link:focus-visible {
  border-bottom-color: var(--teal-700);
}

.page-contact .ct-link--dark {
  color: var(--teal-500);
  border-bottom-color: rgba(15, 181, 166, 0.5);
}

/* ---------- 双通道卡片 ---------- */
.page-contact .ct-duo {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .ct-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--white);
  border: var(--hair);
  padding: 20px;
}

.page-contact .ct-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .ct-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--metal-500);
}

.page-contact .ct-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.25;
  color: var(--ink);
}

.page-contact .ct-rows {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-contact .ct-row__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--metal-500);
  padding-top: 3px;
  margin: 0;
}

.page-contact .ct-row__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink);
}

.page-contact .ct-card__foot {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: var(--hair);
  font-size: 13px;
}

/* ---------- 图片 ---------- */
.page-contact .ct-figure {
  margin: 26px 0 0;
  border: var(--hair);
  background: var(--white);
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: linear-gradient(135deg, var(--indigo-900), var(--indigo-700));
}

.page-contact .ct-figure__cap {
  padding: 10px 14px;
  border-top: var(--hair);
  font-size: 12px;
  line-height: 1.6;
  color: var(--metal-500);
}

/* ---------- 询价清单 ---------- */
.page-contact .ct-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--hair);
}

.page-contact .ct-check {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 15px 0;
  border-bottom: var(--hair);
}

.page-contact .ct-check__box {
  width: 14px;
  height: 14px;
  margin-top: 4px;
  border: 1px solid var(--metal-500);
  background: var(--white);
}

.page-contact .ct-check__name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .ct-check__hint {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.65;
  color: #5C6478;
}

.page-contact .ct-check__flag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber-700);
  white-space: nowrap;
  padding-top: 3px;
}

.page-contact .ct-check__flag--opt {
  color: var(--metal-500);
}

.page-contact .ct-sla {
  background: var(--indigo-900);
  border: 1px solid rgba(211, 218, 232, 0.16);
  padding: 22px;
}

.page-contact .ct-sla__label {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--teal-500);
}

.page-contact .ct-sla__big {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-contact .ct-sla__num {
  font-family: var(--font-mono);
  font-size: 46px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--amber-500);
}

.page-contact .ct-sla__unit {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  color: var(--text-dark-1);
}

.page-contact .ct-sla__sub {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-dark-2);
}

.page-contact .ct-sla__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: var(--hair-dark);
}

.page-contact .ct-sla__list li {
  padding: 11px 0;
  border-bottom: var(--hair-dark);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dark-2);
}

.page-contact .ct-sla__note {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--metal-500);
}

/* ---------- 城市筛选 ---------- */
.page-contact .ct-cities {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}

.page-contact .ct-city {
  appearance: none;
  background: var(--white);
  border: var(--hair);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 8px 14px;
  cursor: pointer;
  border-radius: 0;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .ct-city:hover {
  border-color: var(--teal-500);
  color: var(--teal-700);
}

.page-contact .ct-city:focus-visible {
  outline: 2px solid var(--teal-700);
  outline-offset: 2px;
}

.page-contact .ct-city[aria-pressed="true"] {
  background: var(--teal-500);
  border-color: var(--teal-500);
  color: var(--white);
  font-weight: 600;
}

/* ---------- 网点网格 ---------- */
.page-contact .ct-net {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: var(--hair);
}

.page-contact .ct-net__item {
  background: var(--white);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.page-contact .ct-net__city {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .ct-net__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: #5C6478;
}

.page-contact .ct-net__sla {
  margin: auto 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--amber-700);
}

/* ---------- 退换步骤 ---------- */
.page-contact .ct-steps {
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
}

.page-contact .ct-step {
  position: relative;
  padding: 0 0 28px 52px;
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 34px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-contact .ct-step:last-child {
  padding-bottom: 0;
}

.page-contact .ct-step:last-child::before {
  display: none;
}

.page-contact .ct-step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: var(--indigo-900);
  color: var(--teal-500);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.page-contact .ct-step__title {
  margin: 2px 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .ct-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  max-width: 62ch;
  color: #39405A;
}

.page-contact .ct-proof {
  background: var(--white);
  border: var(--hair);
  padding: 20px;
}

.page-contact .ct-proof__label {
  margin: 0 0 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--metal-500);
}

.page-contact .ct-proof__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .ct-proof__item {
  border-left: 2px solid var(--teal-500);
  padding-left: 12px;
}

.page-contact .ct-proof__name {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .ct-proof__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: #5C6478;
}

.page-contact .ct-proof__note {
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: var(--hair);
  font-size: 12px;
  line-height: 1.65;
  color: var(--metal-500);
}

/* ---------- 渠道边界 ---------- */
.page-contact .ct-boundary {
  background: var(--indigo-900);
  padding: 44px 0;
}

.page-contact .ct-boundary__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .ct-boundary__kicker {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--amber-500);
}

.page-contact .ct-boundary__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.8vw, 32px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text-dark-1);
}

.page-contact .ct-boundary__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  max-width: 42ch;
  color: var(--text-dark-2);
}

.page-contact .ct-boundary__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--hair-dark);
}

.page-contact .ct-boundary__list li {
  position: relative;
  padding: 13px 0 13px 18px;
  border-bottom: var(--hair-dark);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dark-2);
}

.page-contact .ct-boundary__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 6px;
  height: 6px;
  background: var(--teal-500);
}

.page-contact .ct-boundary__links {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-net {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-proof__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 22px;
  }

  .page-contact .ct-strip__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 52px;
    padding: 44px 0 72px;
    align-items: start;
  }

  .page-contact .ct-section {
    padding: 62px 0;
  }

  .page-contact .ct-duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .ct-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .ct-steps {
    max-width: 820px;
  }

  .page-contact .ct-boundary {
    padding: 68px 0;
  }

  .page-contact .ct-boundary__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 5fr);
    gap: 24px 56px;
    align-items: start;
  }

  .page-contact .ct-boundary__links {
    grid-column: 1 / -1;
    padding-top: 8px;
  }
}

@media (min-width: 1060px) {
  .page-contact .ct-net {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-proof__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-strip__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    padding: 24px 0;
  }

  .page-contact .ct-strip__item {
    padding: 0 24px;
    border-left: 1px solid rgba(211, 218, 232, 0.16);
  }

  .page-contact .ct-strip__item:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-city {
    transition: none;
  }
}