.page-contact {
  --ct-accent: var(--orange);
  --ct-accent-soft: var(--orange-light);
  --ct-line-col: rgba(11, 31, 58, .12);
  --ct-ink-soft: rgba(46, 58, 72, .76);
  --ct-radius: var(--r-lg);
  display: block;
  color: var(--graphite);
  background: var(--white);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.1rem, 2.4vw, 1.8rem) 0 clamp(2.4rem, 5vw, 4.4rem);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  top: -260px;
  left: -12%;
  right: -12%;
  height: 720px;
  z-index: -1;
  background:
    radial-gradient(46% 38% at 18% 32%, rgba(127, 212, 255, .45), transparent 70%),
    radial-gradient(44% 36% at 86% 16%, rgba(255, 122, 26, .24), transparent 72%);
  pointer-events: none;
  animation: ct-drift 22s ease-in-out infinite alternate;
}

@keyframes ct-drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(0, 26px, 0) scale(1.05); }
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: start;
  margin-top: clamp(1.1rem, 3vw, 2.2rem);
}

.page-contact .ct-hero__title {
  margin: .55rem 0 0;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--navy);
}

.page-contact .ct-hero__lede {
  margin: 1.1rem 0 0;
  max-width: 48ch;
  font-size: clamp(1rem, 1.4vw, 1.08rem);
  line-height: 1.85;
  color: var(--ct-ink-soft);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin-top: 1.6rem;
}

.page-contact .ct-hero__facts {
  list-style: none;
  display: grid;
  gap: .6rem;
  margin: 1.8rem 0 0;
  padding: 1.2rem 0 0;
  border-top: 1px solid var(--ct-line-col);
}

.page-contact .ct-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--ct-ink-soft);
}

.page-contact .ct-hero__facts .num {
  flex: none;
  min-width: 1.4ch;
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ct-accent);
}

.page-contact .ct-hero__figure {
  margin: 0;
  border-radius: var(--ct-radius);
  overflow: hidden;
  box-shadow: 0 50px 90px -70px rgba(11, 31, 58, .95);
}

/* ---------- 合作洽谈深色面板 ---------- */
.page-contact .ct-deal__panel {
  padding: clamp(1.6rem, 4vw, 3.4rem);
  border-radius: var(--ct-radius);
}

.page-contact .ct-deal__grid {
  display: grid;
  gap: clamp(1.6rem, 3.5vw, 2.6rem);
}

.page-contact .ct-deal__eyebrow {
  color: var(--ct-accent-soft);
}

.page-contact .ct-deal__title {
  margin: .55rem 0 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  line-height: 1.32;
  color: var(--white);
}

.page-contact .ct-deal__text {
  margin: 1rem 0 0;
  max-width: 52ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, .78);
}

.page-contact .copy-chip--light {
  margin-top: 1.5rem;
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .24);
  color: var(--white);
}

.page-contact .ct-deal__aside {
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
}

.page-contact .ct-deal__aside-title {
  margin: 0;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--white);
}

.page-contact .ct-deal__list {
  counter-reset: ct-deal;
  list-style: none;
  display: grid;
  gap: .7rem;
  margin: 1rem 0 0;
  padding: 0;
}

.page-contact .ct-deal__list li {
  counter-increment: ct-deal;
  position: relative;
  padding-left: 2.1rem;
  font-size: .94rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, .82);
}

.page-contact .ct-deal__list li::before {
  content: counter(ct-deal, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .12em;
  font-family: var(--mono);
  font-size: .8rem;
  font-weight: 700;
  color: var(--ct-accent);
}

/* ---------- 合作流程 ---------- */
.page-contact .ct-steps {
  list-style: none;
  display: grid;
  gap: clamp(1rem, 2.2vw, 1.5rem);
  margin: clamp(1.6rem, 3vw, 2.6rem) 0 0;
  padding: 0;
}

.page-contact .ct-step {
  position: relative;
  padding: 1.4rem 0 0;
  border-top: 2px solid var(--ct-line-col);
  transition: transform .3s ease;
}

.page-contact .ct-step::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 36%;
  height: 2px;
  background: linear-gradient(90deg, var(--ct-accent), rgba(255, 122, 26, 0));
  transition: width .35s ease;
}

.page-contact .ct-step:hover::after,
.page-contact .ct-step:focus-within::after {
  width: 78%;
}

.page-contact .ct-step__num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 700;
  line-height: 1;
  color: rgba(11, 31, 58, .16);
  transition: color .3s ease;
}

.page-contact .ct-step:hover .ct-step__num,
.page-contact .ct-step:focus-within .ct-step__num {
  color: var(--ct-accent);
}

.page-contact .ct-step__title {
  margin: .55rem 0 0;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.06rem;
  color: var(--navy);
}

.page-contact .ct-step__text {
  margin: .5rem 0 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

.page-contact .ct-step__reveal {
  margin: .6rem 0 0;
  padding: .4rem .7rem;
  border-radius: var(--r-sm);
  background: linear-gradient(90deg, rgba(255, 216, 176, .6), rgba(255, 216, 176, 0));
  font-size: .84rem;
  line-height: 1.7;
  color: var(--navy-deep);
}

/* ---------- 区域分档 ---------- */
.page-contact .ct-tier-filter {
  margin-top: clamp(1.4rem, 3vw, 2rem);
}

.page-contact .ct-tier-list {
  list-style: none;
  display: grid;
  gap: clamp(.9rem, 2vw, 1.2rem);
  margin: clamp(1.3rem, 2.8vw, 1.9rem) 0 0;
  padding: 0;
}

.page-contact .ct-tier {
  position: relative;
  padding: clamp(1.15rem, 2.4vw, 1.7rem);
  border-radius: var(--r-md);
  background: var(--mist);
  border: 1px solid var(--ct-line-col);
}

.page-contact .ct-tier::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  border-radius: var(--r-md) 0 0 var(--r-md);
  background: linear-gradient(180deg, var(--cyan), rgba(127, 212, 255, 0));
}

.page-contact .ct-tier__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-family: var(--mono);
  font-size: .8rem;
  font-weight: 700;
}

.page-contact .ct-tier__name {
  margin: .8rem 0 0;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--navy);
}

.page-contact .ct-tier__text {
  margin: .55rem 0 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

.page-contact .ct-tier__ask {
  margin: .85rem 0 0;
  padding-top: .75rem;
  border-top: 1px dashed rgba(11, 31, 58, .16);
  font-size: .87rem;
  line-height: 1.7;
  color: var(--navy-deep);
}

/* ---------- 客服与售后 ---------- */
.page-contact .ct-reach {
  background: linear-gradient(180deg, var(--white), var(--mist));
}

.page-contact .ct-reach__grid {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3.2rem);
  align-items: start;
}

.page-contact .ct-channels {
  list-style: none;
  display: grid;
  gap: 1rem;
  margin: clamp(1.4rem, 3vw, 1.9rem) 0 0;
  padding: 0;
}

.page-contact .ct-channel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .95rem;
  padding: clamp(1rem, 2.2vw, 1.4rem);
  border-radius: var(--r-md);
  background: var(--white);
  border: 1px solid var(--ct-line-col);
  box-shadow: 0 26px 52px -48px rgba(11, 31, 58, .9);
}

.page-contact .ct-channel__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--orange-light);
  color: var(--navy-deep);
}

.page-contact .ct-channel__icon svg {
  width: 1.15rem;
  height: 1.15rem;
}

.page-contact .ct-channel__body {
  min-width: 0;
}

.page-contact .ct-channel__label {
  margin: 0;
  font-family: var(--sans);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1.4;
  color: var(--ct-ink-soft);
}

.page-contact .ct-channel__value {
  display: block;
  margin-top: .4rem;
  font-family: var(--mono);
  font-size: clamp(1rem, 2vw, 1.14rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--navy);
  text-decoration: none;
  word-break: break-word;
}

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

.page-contact .ct-channel__value--plain {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1rem;
}

.page-contact .ct-channel__note {
  margin: .55rem 0 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

.page-contact .ct-reach__figure {
  margin: 0;
  border-radius: var(--ct-radius);
  overflow: hidden;
}

/* ---------- 服务时间与响应 ---------- */
.page-contact .ct-hours__strip {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2.6rem);
  padding: clamp(1.4rem, 3.5vw, 2.6rem);
  border-radius: var(--ct-radius);
  border: 1px solid var(--ct-line-col);
  background:
    radial-gradient(62% 110% at 0% 0%, rgba(127, 212, 255, .24), transparent 72%),
    radial-gradient(52% 100% at 100% 100%, rgba(255, 122, 26, .12), transparent 70%),
    var(--mist);
}

.page-contact .ct-hours__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.8vw, 1.95rem);
  line-height: 1.35;
  color: var(--navy);
}

.page-contact .ct-hours__text {
  margin: .9rem 0 0;
  max-width: 52ch;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--ct-ink-soft);
}

.page-contact .ct-hours__list {
  list-style: none;
  display: grid;
  gap: .8rem;
  margin: 0;
  padding: 0;
}

.page-contact .ct-hours__list li {
  position: relative;
  padding-left: 1.3rem;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

.page-contact .ct-hours__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: var(--jade);
}

.page-contact .ct-hours__list strong {
  font-weight: 700;
  color: var(--navy);
}

.page-contact .ct-hours__list a {
  color: var(--navy-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 26, .5);
}

.page-contact .ct-hours__list a:hover,
.page-contact .ct-hours__list a:focus-visible {
  color: var(--ct-accent);
  border-bottom-color: var(--ct-accent);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .ct-tier-list {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .ct-tier:nth-child(1) { grid-column: span 7; }
  .page-contact .ct-tier:nth-child(2) { grid-column: span 5; }
  .page-contact .ct-tier:nth-child(3) { grid-column: span 5; }
  .page-contact .ct-tier:nth-child(4) { grid-column: span 7; }
}

@media (min-width: 860px) {
  .page-contact .ct-deal__grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, .78fr);
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-contact .ct-hours__strip {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: clamp(2rem, 4.5vw, 4rem);
  }

  .page-contact .ct-hero__figure {
    transform: translateY(12px);
  }

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

  .page-contact .ct-step__reveal {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .35s ease, opacity .3s ease, padding .3s ease;
  }

  .page-contact .ct-step:hover .ct-step__reveal,
  .page-contact .ct-step:focus-within .ct-step__reveal {
    max-height: 8rem;
    padding-top: .4rem;
    padding-bottom: .4rem;
    opacity: 1;
  }

  .page-contact .ct-reach__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: clamp(2rem, 4vw, 3.4rem);
  }

  .page-contact .ct-reach__figure {
    position: sticky;
    top: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-hero::before {
    animation: none;
  }

  .page-contact .ct-step,
  .page-contact .ct-step::after,
  .page-contact .ct-step__num,
  .page-contact .ct-step__reveal,
  .page-contact .ct-hero__figure {
    transition: none;
    transform: none;
  }
}