.page-contact {
  --cp-cut: 18px;
  --cp-panel: polygon(0 0, calc(100% - var(--cp-cut)) 0, 100% var(--cp-cut), 100% 100%, 0 100%);
  background: var(--ice);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-top {
  padding-block: calc(var(--header-h) + 44px) clamp(52px, 9vw, 92px);
  position: relative;
}

.page-contact .contact-top::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -20%;
  width: min(520px, 70vw);
  height: min(520px, 70vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 123, 255, .28) 0%, rgba(30, 123, 255, 0) 68%);
  pointer-events: none;
}

.page-contact .contact-top .shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-top__eyebrow {
  margin: 26px 0 10px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--score);
}

.page-contact .contact-top__title {
  margin: 0 0 18px;
  font-family: var(--font-cond);
  font-size: clamp(42px, 11vw, 78px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--ice);
}

.page-contact .contact-top__lede {
  max-width: var(--measure);
  margin: 0 0 34px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(247, 249, 252, .8);
}

.page-contact .contact-top__quick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  max-width: 640px;
  background: rgba(247, 249, 252, .16);
  border-left: 3px solid var(--arena);
}

.page-contact .contact-top__quick li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 13px 18px;
  background: rgba(14, 20, 32, .62);
}

.page-contact .contact-top__quick span {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--score);
}

.page-contact .contact-top__quick strong {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(15px, 4.2vw, 19px);
  letter-spacing: -.01em;
  color: var(--ice);
  overflow-wrap: anywhere;
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-channels__grid {
  display: grid;
  gap: 36px;
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(24px, 5vw, 36px);
  background: var(--night);
  background-image: var(--court-lines);
  color: var(--ice);
  clip-path: var(--cp-panel);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 3px;
  height: 42%;
  background: var(--arena);
}

.page-contact .contact-card__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--score);
}

.page-contact .contact-card__value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(19px, 4.8vw, 27px);
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--ice);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--sm {
  font-size: clamp(14px, 3.6vw, 17px);
  line-height: 1.55;
  letter-spacing: 0;
}

.page-contact .contact-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(247, 249, 252, .68);
}

.page-contact .contact-card__rule {
  margin: 22px 0;
  border: 0;
  border-top: 1px dashed rgba(247, 249, 252, .22);
}

.page-contact .contact-channels__side {
  display: grid;
  gap: 26px;
}

.page-contact .contact-lane {
  padding-left: 18px;
  border-left: 3px solid var(--arena);
}

.page-contact .contact-lane--cyan {
  border-left-color: var(--score);
}

.page-contact .contact-lane--muted {
  border-left-color: var(--line);
}

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

.page-contact .contact-lane__title {
  margin: 0 0 8px;
  font-family: var(--font-cond);
  font-size: 21px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink);
}

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

/* ---------- 事由切换 ---------- */
.page-contact .reasons {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .reasons__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .reasons__tab {
  cursor: pointer;
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
  background: var(--ice);
  border: 1px solid var(--line);
  clip-path: var(--cut-corner-sm);
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .reasons__tab:hover {
  border-color: var(--electric);
  color: var(--electric-deep);
}

.page-contact .reasons__input:checked + .reasons__tab {
  background: var(--arena);
  border-color: var(--arena);
  color: #fff;
  font-weight: 700;
}

.page-contact .reasons__input:focus-visible + .reasons__tab {
  outline: 2px solid var(--electric-deep);
  outline-offset: 3px;
}

.page-contact .reasons__panels {
  flex: 1 1 100%;
  margin-top: 26px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-contact .reasons__panel {
  display: none;
  gap: 24px;
}

.page-contact #rc-data:checked ~ .reasons__panels .reasons__panel--data,
.page-contact #rc-edit:checked ~ .reasons__panels .reasons__panel--edit,
.page-contact #rc-device:checked ~ .reasons__panels .reasons__panel--device,
.page-contact #rc-coop:checked ~ .reasons__panels .reasons__panel--coop {
  display: grid;
}

.page-contact .reasons__cell-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--electric-deep);
}

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

.page-contact .reasons__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .reasons__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 2px;
  background: var(--arena);
}

.page-contact .reasons__cell--time {
  padding: 20px;
  background: var(--ice);
  border-left: 3px solid var(--arena);
  clip-path: var(--cut-corner-sm);
}

.page-contact .reasons__time {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(24px, 6vw, 32px);
  font-weight: 500;
  letter-spacing: -.02em;
  color: var(--electric-deep);
}

.page-contact .reasons__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 服务时段 ---------- */
.page-contact .hours__grid {
  display: grid;
  gap: 18px;
}

.page-contact .hours__block {
  padding: 24px;
  background: var(--data);
  border-left: 3px solid var(--electric);
  clip-path: var(--cp-panel);
}

.page-contact .hours__block--off {
  border-left-color: var(--muted);
}

.page-contact .hours__block--night {
  border-left-color: var(--arena);
  background: linear-gradient(150deg, #eef2f9 0%, #dfe7f4 100%);
}

.page-contact .hours__tag {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .hours__time {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(23px, 6.4vw, 32px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-contact .hours__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .hours__note {
  margin: 26px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--arena);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow__grid {
  display: grid;
  gap: 34px;
}

.page-contact .flow__steps {
  min-width: 0;
}

.page-contact .flow__list {
  list-style: none;
  margin: 0;
  padding: 0 0 10px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 76%;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}

.page-contact .flow__step {
  position: relative;
  scroll-snap-align: start;
  padding: 20px 18px 22px;
  background: rgba(247, 249, 252, .06);
  border-top: 3px solid var(--arena);
}

.page-contact .flow__step::before {
  display: none;
}

.page-contact .flow__step:first-child {
  border-top-color: var(--score);
}

.page-contact .flow__step-index {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--score);
}

.page-contact .flow__step-title {
  margin: 0 0 8px;
  font-family: var(--font-cond);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--ice);
}

.page-contact .flow__step-body {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 249, 252, .72);
}

.page-contact .flow__step-meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--arena);
}

.page-contact .flow__frame {
  overflow: hidden;
  clip-path: var(--cp-panel);
  background: var(--wood);
}

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

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

.page-contact .flow__figure .figure__cap {
  color: rgba(247, 249, 252, .62);
}

/* ---------- 合作与共建 ---------- */
.page-contact .partner__grid {
  display: grid;
  gap: 18px;
}

.page-contact .partner__item {
  padding: 24px;
  background: var(--ice);
  border-left: 3px solid var(--arena);
  clip-path: var(--cp-panel);
}

.page-contact .partner__item--accent {
  border-left-color: var(--electric);
  background: linear-gradient(160deg, #ffffff 0%, #eef3fc 100%);
}

.page-contact .partner__index {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .partner__title {
  margin: 0 0 14px;
  font-family: var(--font-cond);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
}

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

.page-contact .partner__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .partner__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--electric);
}

.page-contact .partner__foot {
  margin: 26px 0 0;
  max-width: 62ch;
  padding-left: 16px;
  border-left: 2px solid var(--arena);
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 收束带 ---------- */
.page-contact .contact-legal {
  padding-block: clamp(40px, 7vw, 72px);
}

.page-contact .contact-legal__figure {
  margin: 0 0 36px;
}

.page-contact .contact-legal__frame {
  position: relative;
  overflow: hidden;
  clip-path: var(--cp-panel);
  background: var(--wood);
}

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

.page-contact .contact-legal__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 20, 32, 0) 42%, rgba(14, 20, 32, .88) 100%);
  pointer-events: none;
}

.page-contact .contact-legal__grid {
  display: grid;
  gap: 28px;
}

.page-contact .contact-legal__title {
  margin: 8px 0 10px;
  font-family: var(--font-cond);
  font-size: clamp(26px, 6.4vw, 38px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--ice);
}

.page-contact .contact-legal__body {
  margin: 0;
  max-width: 36ch;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(247, 249, 252, .66);
}

.page-contact .contact-legal__list {
  margin: 0;
  display: grid;
  gap: 1px;
  background: rgba(247, 249, 252, .16);
  align-content: start;
}

.page-contact .contact-legal__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  align-items: baseline;
  padding: 14px 18px;
  background: rgba(14, 20, 32, .6);
}

.page-contact .contact-legal__row dt {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--score);
}

.page-contact .contact-legal__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ice);
  overflow-wrap: anywhere;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-top__quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-contact .flow__list {
    grid-auto-columns: 44%;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: 5fr 7fr;
    gap: 52px;
    align-items: start;
  }

  .page-contact .reasons__panel {
    grid-template-columns: 1.15fr 1fr;
    gap: 32px;
  }

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

  .page-contact .contact-legal__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-legal__figure {
    margin-bottom: 48px;
  }
}

@media (min-width: 960px) {
  .page-contact .flow__grid {
    grid-template-columns: 7fr 5fr;
    gap: 52px;
    align-items: start;
  }

  .page-contact .flow__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    gap: 0;
    padding: 0;
    overflow: visible;
    scroll-snap-type: none;
  }

  .page-contact .flow__step {
    padding: 0 0 30px 34px;
    background: transparent;
    border-top: 0;
    border-left: 1px solid rgba(247, 249, 252, .2);
    margin-left: 7px;
  }

  .page-contact .flow__step:last-child {
    padding-bottom: 0;
    border-left-color: transparent;
  }

  .page-contact .flow__step::before {
    display: block;
    content: "";
    position: absolute;
    left: -7px;
    top: 5px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--arena);
  }

  .page-contact .flow__step:first-child::before {
    background: var(--score);
  }
}

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