.page-contact {
  --ct-line: rgba(30, 75, 122, .58);
  --ct-line-soft: rgba(30, 75, 122, .38);
  --ct-dim: rgba(232, 244, 255, .66);
  --ct-gap: clamp(20px, 2.6vw, 34px);
  --ct-glow: rgba(0, 229, 255, .16);
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(88px, 13vw, 146px) 0 clamp(46px, 6.5vw, 82px);
  background: linear-gradient(180deg, var(--midnight) 0%, var(--abyss) 100%);
}

.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .ct-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.72) contrast(1.06);
}

.page-contact .ct-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 78% at 82% 16%, var(--ct-glow), transparent 62%),
    linear-gradient(180deg, rgba(6, 20, 40, .3) 0%, var(--midnight) 74%, var(--abyss) 100%);
}

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

.page-contact .ct-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(38px, 7.4vw, 80px);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -.022em;
  color: var(--ice);
}

.page-contact .ct-hero__lede {
  max-width: 64ch;
  margin-top: 22px;
  font-size: clamp(15px, 1.85vw, 18px);
  line-height: 1.8;
  color: var(--ink-80);
}

.page-contact .ct-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 17px;
  border: 1px solid var(--ct-line);
  border-radius: var(--pill);
  background: rgba(18, 48, 90, .52);
  font-size: 14px;
  color: var(--ice);
}

.page-contact .ct-hero__fact-k {
  color: var(--mist);
  font-size: 13px;
}

.page-contact .ct-hero__fact-v {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: -.01em;
}

/* ---------- 通用小标题 ---------- */

.page-contact .ct-sub {
  max-width: 66ch;
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-70);
}

/* ---------- 三个渠道 ---------- */

.page-contact .ct-chan {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  margin-top: 36px;
}

.page-contact .ct-chan__rail {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}

.page-contact .ct-chan__rail::-webkit-scrollbar {
  display: none;
}

.page-contact .ct-chan__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  border: 1px solid var(--ct-line);
  border-radius: 18px;
  background: rgba(18, 48, 90, .5);
  color: var(--ink-80);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .16s var(--ease), transform .16s var(--ease), color .16s var(--ease);
}

.page-contact .ct-chan__tab-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .ct-chan__tab:hover,
.page-contact .ct-chan__tab:focus-visible {
  border-color: var(--signal);
  color: var(--ice);
  transform: translateY(-2px);
}

.page-contact .ct-chan__panels {
  display: grid;
  gap: 18px;
}

.page-contact .ct-chan__panel {
  scroll-margin-top: 112px;
  padding: clamp(22px, 3vw, 34px);
}

.page-contact .ct-chan__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-contact .ct-chan__value {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--ice);
  word-break: break-word;
}

.page-contact .ct-chan__cols {
  display: grid;
  gap: 20px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px dashed var(--ct-line-soft);
}

.page-contact .ct-chan__sub {
  margin-bottom: 11px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .ct-chan__list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-chan__list li {
  position: relative;
  padding-left: 17px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ct-dim);
}

.page-contact .ct-chan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: .78;
}

/* ---------- 对接场景 ---------- */

.page-contact .ct-scenes__wrap {
  display: grid;
  gap: var(--ct-gap);
  margin-top: 36px;
  align-items: start;
}

.page-contact .ct-scenes__list {
  display: grid;
  gap: 14px;
}

.page-contact .ct-scene {
  padding: 22px 26px;
  border-left: 3px solid var(--steel);
  border-radius: 6px 22px 22px 6px;
  background: linear-gradient(90deg, rgba(18, 48, 90, .78), rgba(18, 48, 90, .24));
  transition: border-left-color .16s var(--ease), transform .16s var(--ease);
}

.page-contact .ct-scene:hover {
  border-left-color: var(--cyan);
  transform: translateX(3px);
}

.page-contact .ct-scene__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-contact .ct-scene__title {
  margin: 6px 0 10px;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ice);
}

.page-contact .ct-scene__need {
  font-size: 15px;
  line-height: 1.78;
  color: var(--ct-dim);
}

.page-contact .ct-scene__tag {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 10px;
  border-radius: var(--pill);
  background: rgba(255, 107, 53, .16);
  border: 1px solid rgba(255, 107, 53, .5);
  font-size: 12px;
  font-weight: 700;
  color: var(--signal);
}

.page-contact .ct-scenes__fig {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ct-line);
  border-radius: 24px;
  background: var(--abyss);
}

.page-contact .ct-scenes__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1 / 1;
  opacity: .92;
}

.page-contact .ct-scenes__fig figcaption {
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
  border-top: 1px solid var(--ct-line-soft);
}

/* ---------- 服务时段 ---------- */

.page-contact .ct-hours {
  margin-top: 32px;
  overflow: hidden;
  border: 1px solid var(--ct-line);
  border-radius: 24px;
  background:
    radial-gradient(78% 130% at 0% 0%, rgba(0, 229, 255, .09), transparent 62%),
    var(--abyss);
}

.page-contact .ct-hours__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px 22px;
  padding: 19px clamp(18px, 3vw, 32px);
  border-bottom: 1px dashed var(--ct-line-soft);
}

.page-contact .ct-hours__row:last-child {
  border-bottom: 0;
}

.page-contact .ct-hours__label {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-contact .ct-hours__val {
  font-family: var(--font-mono);
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -.01em;
}

.page-contact .ct-hours__note {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ct-dim);
}

/* ---------- 协作流程 ---------- */

.page-contact .ct-flow {
  margin-top: 38px;
}

.page-contact .ct-flow__path {
  display: block;
  width: 100%;
  height: 24px;
  margin-bottom: 14px;
}

.page-contact .ct-flow__steps {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-flow__step {
  display: flex;
  flex-direction: column;
  padding: 22px 20px;
  border: 1px solid var(--ct-line);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(18, 48, 90, .72), rgba(6, 20, 40, .52));
  transition: border-color .16s var(--ease), transform .16s var(--ease);
}

.page-contact .ct-flow__step:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .ct-flow__idx {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -.02em;
}

.page-contact .ct-flow__title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ice);
}

.page-contact .ct-flow__text {
  flex: 1 1 auto;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ct-dim);
}

.page-contact .ct-flow__owner {
  align-self: flex-start;
  margin-top: 16px;
  padding: 5px 12px;
  border: 1px solid rgba(143, 166, 196, .42);
  border-radius: var(--pill);
  font-size: 12px;
  font-weight: 600;
  color: var(--mist);
  transition: border-color .16s var(--ease), color .16s var(--ease);
}

.page-contact .ct-flow__step:hover .ct-flow__owner {
  border-color: rgba(255, 107, 53, .7);
  color: var(--signal);
}

/* ---------- 常见对接疑问 ---------- */

.page-contact .ct-faq {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}

.page-contact .ct-faq__item {
  padding: 20px 22px;
  border: 1px solid var(--ct-line-soft);
  border-radius: 18px;
  background: rgba(6, 20, 40, .52);
  transition: border-color .16s var(--ease);
}

.page-contact .ct-faq__item:hover {
  border-color: var(--steel);
}

.page-contact .ct-faq__q {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  margin: 0 0 9px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ice);
}

.page-contact .ct-faq__q::before {
  content: "Q";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.9;
  color: var(--signal);
}

.page-contact .ct-faq__a {
  margin: 0;
  padding-left: 27px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ct-dim);
}

/* ---------- 收尾 ---------- */

.page-contact .ct-next {
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-contact .ct-next__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: clamp(24px, 3.4vw, 38px);
  border: 1px solid var(--ct-line);
  border-radius: 26px;
  background:
    linear-gradient(96deg, rgba(0, 229, 255, .1) 0%, rgba(18, 48, 90, .5) 42%, rgba(255, 107, 53, .12) 100%),
    var(--abyss);
}

.page-contact .ct-next__text {
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-80);
}

.page-contact .ct-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .ct-next__links .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .ct-chan__cols {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .ct-hours__row {
    grid-template-columns: 170px 190px 1fr;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-chan {
    grid-template-columns: minmax(198px, 248px) 1fr;
    gap: 34px;
  }

  .page-contact .ct-chan__rail {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: 116px;
  }

  .page-contact .ct-chan__tab {
    white-space: normal;
    justify-content: flex-start;
  }

  .page-contact .ct-scenes__wrap {
    grid-template-columns: 1.42fr .88fr;
    gap: 34px;
  }

  .page-contact .ct-flow__steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .page-contact .ct-faq {
    grid-template-columns: 1fr 1fr;
    gap: 16px 22px;
    align-items: start;
  }

  .page-contact .ct-next__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1200px) {
  .page-contact .ct-hours__row {
    grid-template-columns: 190px 210px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-chan__tab,
  .page-contact .ct-scene,
  .page-contact .ct-flow__step,
  .page-contact .ct-faq__item {
    transition: none;
  }

  .page-contact .ct-chan__tab:hover,
  .page-contact .ct-chan__tab:focus-visible,
  .page-contact .ct-scene:hover,
  .page-contact .ct-flow__step:hover {
    transform: none;
  }
}