.page-contact {
  background: var(--ink);
  color: var(--snow);
  overflow-x: hidden;
}

.page-contact .ub-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-contact .ub-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .ub-h1 {
  font-size: clamp(1.85rem, 5.4vw, 3.4rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: .8rem 0 0;
  color: var(--snow);
}

.page-contact .ub-h2 {
  font-size: clamp(1.45rem, 3.6vw, 2.25rem);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -.02em;
  margin: .7rem 0 0;
}

.page-contact .ub-h3 {
  font-size: clamp(1.02rem, 2.2vw, 1.2rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -.01em;
  margin: 0;
}

.page-contact .ub-lead {
  margin: 1.1rem 0 0;
  max-width: 58ch;
  font-size: clamp(1rem, 2.1vw, 1.1rem);
  line-height: 1.8;
  color: var(--frost);
}

.page-contact .ub-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  font-size: .8125rem;
  color: var(--frost);
}

.page-contact .ub-crumbs a {
  color: var(--frost);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .ub-crumbs a:hover,
.page-contact .ub-crumbs a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .ub-crumbs__current {
  color: var(--gold);
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(2rem, 5vw, 4rem) 0 clamp(2.5rem, 6vw, 5rem);
  background:
    radial-gradient(900px 420px at 88% -8%, rgba(139, 255, 60, .12), transparent 65%),
    radial-gradient(720px 400px at 4% 104%, rgba(61, 224, 200, .09), transparent 62%),
    linear-gradient(165deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(115deg, rgba(199, 210, 224, .06) 0 1px, transparent 1px 13px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 76%);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: 1.5rem;
}

.page-contact .ct-hero__frame {
  position: relative;
}

.page-contact .ct-hero__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  clip-path: var(--cut-panel);
  background: linear-gradient(152deg, rgba(10, 26, 51, .62) 0%, rgba(10, 26, 51, 0) 58%);
}

.page-contact .ct-hero__media {
  margin: 0;
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: var(--cut-panel);
}

.page-contact .ub-media__cap {
  display: block;
  margin-top: .75rem;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--frost);
}

.page-contact .ct-hero__facts {
  display: grid;
  gap: .9rem;
  margin-top: 2rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.page-contact .ct-fact {
  display: grid;
  gap: .3rem;
}

.page-contact .ct-fact__k {
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--frost);
}

.page-contact .ct-fact__v {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--lime);
}

/* ---------- 区块标题 ---------- */

.page-contact .ct-head {
  max-width: 64ch;
  margin-bottom: clamp(1.6rem, 3vw, 2.4rem);
}

.page-contact .ct-head__lead {
  margin: .9rem 0 0;
  max-width: 56ch;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--frost);
}

.page-contact .ct-head--dark .ub-kicker {
  color: var(--wine);
}

.page-contact .ct-head--dark .ct-head__lead {
  color: var(--slate);
}

/* ---------- 联系方式 ---------- */

.page-contact .ct-channels {
  position: relative;
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 38%, var(--ink) 100%);
}

.page-contact .ct-channels::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(224, 169, 58, .55), transparent);
}

.page-contact .ct-rail {
  display: grid;
  gap: 1rem;
}

.page-contact .ct-chan {
  position: relative;
  display: grid;
  gap: .6rem;
  align-content: start;
  padding: 2.35rem 1.4rem 1.6rem;
  background: linear-gradient(155deg, var(--panel) 0%, rgba(16, 49, 92, .72) 100%);
  clip-path: var(--cut-panel);
  transition: transform .28s ease, background .28s ease;
}

.page-contact .ct-chan::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 68px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(224, 169, 58, 0));
}

.page-contact .ct-chan:hover {
  transform: translateY(-4px);
}

.page-contact .ct-chan__idx {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: rgba(224, 169, 58, .85);
}

.page-contact .ct-chan__val {
  margin: .25rem 0 0;
  padding-bottom: .5rem;
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 2.4vw, 1.0625rem);
  line-height: 1.5;
  color: var(--cyan);
  overflow-wrap: anywhere;
  border-bottom: 1px dashed var(--line-strong);
}

.page-contact .ct-chan__text {
  margin: .35rem 0 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--frost);
}

.page-contact .ct-chan__list {
  list-style: none;
  margin: .3rem 0 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.page-contact .ct-chan__list li {
  position: relative;
  padding-left: 1.05rem;
  font-size: .875rem;
  line-height: 1.6;
  color: var(--frost);
}

.page-contact .ct-chan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 6px;
  height: 6px;
  background: var(--lime);
  transform: rotate(45deg);
}

.page-contact .ct-chart {
  margin: clamp(1.8rem, 4vw, 3rem) 0 0;
}

.page-contact .ct-chart img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  clip-path: var(--cut-panel);
  filter: saturate(.82);
}

/* ---------- 服务时段 ---------- */

.page-contact .ct-hours {
  background: linear-gradient(155deg, var(--pine) 0%, #0a2429 68%, var(--ink) 100%);
}

.page-contact .ct-hours__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .ct-hours__note {
  margin: 1.1rem 0 0;
  max-width: 52ch;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--frost);
  padding-left: 1rem;
  border-left: 2px solid var(--gold);
}

.page-contact .ct-clock {
  display: grid;
  gap: 1rem;
  padding: 1.5rem 1.4rem;
  background: rgba(10, 26, 51, .58);
  border: 1px solid var(--line-strong);
  clip-path: var(--cut-panel);
}

.page-contact .ct-clock__head {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .8125rem;
  letter-spacing: .1em;
  color: var(--frost);
}

.page-contact .ct-clock__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(139, 255, 60, .16);
  animation: ct-pulse 2.6s ease-in-out infinite;
}

@keyframes ct-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(139, 255, 60, .16); }
  50% { box-shadow: 0 0 0 9px rgba(139, 255, 60, .04); }
}

.page-contact .ct-clock__range {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  font-size: clamp(1.9rem, 7vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.05;
  color: var(--snow);
}

.page-contact .ct-clock__range span {
  font-size: .55em;
  color: var(--gold);
}

.page-contact .ct-clock__bar {
  position: relative;
  height: 4px;
  background: rgba(199, 210, 224, .18);
  overflow: hidden;
}

.page-contact .ct-clock__bar span {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--cyan), var(--lime));
  transform-origin: left center;
  animation: ct-scale 1.4s cubic-bezier(.2, .7, .3, 1) both;
}

@keyframes ct-scale {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.page-contact .ct-clock__rows {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-contact .ct-clock__rows li {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: .75rem;
  padding-top: .6rem;
  border-top: 1px solid var(--line);
  font-size: .875rem;
  line-height: 1.6;
  color: var(--frost);
}

.page-contact .ct-clock__rows li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .ct-clock__rows .ub-num {
  color: var(--cyan);
  font-weight: 500;
}

/* ---------- 问题分类 ---------- */

.page-contact .ct-topics {
  background: var(--snow);
  color: var(--slate);
}

.page-contact .ct-topics .ub-h2 {
  color: var(--ink);
}

.page-contact .ub-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 1.4rem 0 .75rem;
}

.page-contact .ct-topics__count {
  margin: 0 0 1.25rem;
  font-size: .875rem;
  color: var(--slate);
}

.page-contact .ct-topics__count .ub-num {
  font-weight: 700;
  color: var(--pine);
}

.page-contact .ct-topics__list {
  display: grid;
  border-top: 1px solid rgba(58, 71, 87, .2);
}

.page-contact .ct-topic {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(58, 71, 87, .2);
}

.page-contact .ct-topic[hidden] {
  display: none;
}

.page-contact .ct-topic__idx {
  padding-top: .25rem;
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-contact .ct-topic__body h3 {
  color: var(--ink);
  margin-bottom: .5rem;
}

.page-contact .ct-topic__body > p {
  margin: 0 0 .75rem;
  font-size: .9375rem;
  line-height: 1.78;
}

.page-contact .ct-topic__body ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.page-contact .ct-topic__body li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .9375rem;
  line-height: 1.65;
}

.page-contact .ct-topic__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---------- 合作共建 ---------- */

.page-contact .ct-partner {
  background: linear-gradient(160deg, var(--indigo) 0%, #2a1850 62%, var(--ink) 100%);
}

.page-contact .ct-partner__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .ct-partner__text {
  margin: 1rem 0 0;
  max-width: 52ch;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--frost);
}

.page-contact .ct-partner .ub-btn {
  margin-top: 1.4rem;
}

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

.page-contact .ct-partner__list li {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: .75rem;
  padding: .95rem 0;
  border-top: 1px solid rgba(199, 210, 224, .18);
  font-size: .9375rem;
  line-height: 1.65;
  color: var(--snow);
}

.page-contact .ct-partner__list .ub-num {
  padding-top: .18rem;
  font-size: .8125rem;
  font-weight: 700;
  color: var(--gold);
}

/* ---------- 写信提示 ---------- */

.page-contact .ct-tips {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-contact .ct-tips__grid {
  display: grid;
  gap: 1rem;
}

.page-contact .ct-tip {
  display: grid;
  gap: .5rem;
  padding: 1.35rem 1.25rem;
  background: rgba(16, 49, 92, .5);
  border-left: 2px solid var(--cyan);
}

.page-contact .ct-tip__idx {
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-contact .ct-tip p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--frost);
}

.page-contact .ct-tips__foot {
  margin: clamp(1.6rem, 3vw, 2.4rem) 0 0;
  padding-top: 1.3rem;
  border-top: 1px solid var(--line);
  max-width: 70ch;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--frost);
}

.page-contact .ct-tips__foot a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .2s ease;
}

.page-contact .ct-tips__foot a:hover,
.page-contact .ct-tips__foot a:focus-visible {
  color: var(--cyan);
}

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-contact .ct-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.4rem;
  }

  .page-contact .ct-tips__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-contact .ct-hours__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .88fr);
    align-items: center;
  }

  .page-contact .ct-partner__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
    margin-top: 2.25rem;
  }

  .page-contact .ct-topic {
    grid-template-columns: 3.5rem minmax(0, 1fr);
    gap: 1.5rem;
    padding: 1.85rem 0;
  }
}

@media (max-width: 480px) {
  .page-contact .ct-chan {
    padding: 2.1rem 1.15rem 1.4rem;
  }

  .page-contact .ct-chan__idx {
    font-size: 1.6rem;
  }

  .page-contact .ct-topic {
    grid-template-columns: minmax(0, 1fr);
    gap: .5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-clock__dot,
  .page-contact .ct-clock__bar span {
    animation: none;
  }

  .page-contact .ct-chan {
    transition: none;
  }

  .page-contact .ct-chan:hover {
    transform: none;
  }
}