.page-contact {
  --ct-gap: clamp(1.1rem, 3vw, 2rem);
  --ct-gap-lg: clamp(2rem, 5vw, 4rem);
  --ct-border-w: 2px;
  padding-bottom: clamp(3rem, 8vw, 7rem);
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-intro {
  position: relative;
  padding-top: clamp(1.6rem, 5vw, 3.5rem);
  padding-bottom: var(--ct-gap-lg);
  border-bottom: 1px solid var(--rc-line);
}

.page-contact .ct-intro__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap-lg);
  align-items: end;
}

.page-contact .ct-intro__text .rc-breadcrumb {
  margin-bottom: clamp(.9rem, 3vw, 1.8rem);
}

.page-contact .ct-intro__text .rc-title {
  margin: .35em 0 .45em;
}

.page-contact .ct-intro__media {
  margin: 0;
  border: var(--ct-border-w) solid var(--rc-line-gold);
  background: var(--rc-void-2);
  overflow: hidden;
  aspect-ratio: 3 / 2;
  box-shadow: 0 26px 60px -34px rgba(0, 0, 0, .95);
}

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

@media (min-width: 920px) {
  .page-contact .ct-intro__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }
}

/* ---------- 渠道与准备 ---------- */
.page-contact .ct-channels {
  padding: var(--ct-gap-lg) 0;
}

.page-contact .ct-note {
  margin-top: .9rem;
  max-width: 62ch;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--rc-silver-2);
}

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

.page-contact .ct-channels__cards {
  display: grid;
  gap: var(--ct-gap);
  align-content: start;
}

.page-contact .ct-channel {
  position: relative;
  padding: clamp(1.15rem, 2.6vw, 1.9rem);
  padding-left: clamp(3.4rem, 6vw, 4.6rem);
  border: var(--ct-border-w) solid rgba(142, 123, 181, .42);
  background: linear-gradient(150deg, var(--rc-card) 0%, var(--rc-void-2) 68%, var(--rc-void) 100%);
  box-shadow: 0 20px 44px -30px rgba(0, 0, 0, .95);
  transition: transform .32s var(--rc-ease), border-color .32s var(--rc-ease), box-shadow .32s var(--rc-ease);
}

.page-contact .ct-channel__num {
  position: absolute;
  left: clamp(1rem, 2.2vw, 1.6rem);
  top: clamp(1.15rem, 2.6vw, 1.9rem);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1;
  color: var(--rc-gold);
  opacity: .88;
}

.page-contact .ct-channel__title {
  margin: 0 0 .5rem;
  font-family: var(--rc-font-display);
  font-weight: 600;
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  line-height: 1.3;
  color: var(--rc-ivory);
}

.page-contact .ct-channel__text {
  margin: 0 0 .9rem;
  max-width: 46ch;
  font-size: .96rem;
  line-height: 1.78;
  color: var(--rc-silver-2);
}

.page-contact .ct-channel__value {
  margin: 0 0 .7rem;
  padding-top: .75rem;
  border-top: 1px dashed rgba(142, 123, 181, .35);
  font-family: var(--rc-font-mono);
  font-size: clamp(.92rem, 1.6vw, 1.06rem);
  letter-spacing: .02em;
  color: var(--rc-gold-hi);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__fit {
  margin: 0;
  font-family: var(--rc-font-mono);
  font-size: .78rem;
  letter-spacing: .07em;
  color: var(--rc-silver);
}

.page-contact .ct-channel:hover {
  transform: translateY(-2px);
  border-color: var(--rc-gold);
  box-shadow: 0 26px 54px -30px rgba(0, 0, 0, 1), 0 0 0 1px rgba(201, 162, 39, .25);
}

.page-contact .ct-channels__side {
  display: grid;
  gap: var(--ct-gap);
  align-content: start;
}

.page-contact .ct-prep {
  padding: clamp(1.25rem, 3vw, 2.1rem);
  border: var(--ct-border-w) solid var(--rc-line-gold);
  background: var(--rc-void-2);
  box-shadow: 0 24px 52px -34px rgba(0, 0, 0, .95);
}

.page-contact .ct-prep__title {
  margin: .5rem 0 0;
  font-family: var(--rc-font-display);
  font-weight: 600;
  font-size: clamp(1.15rem, 2.1vw, 1.4rem);
  line-height: 1.35;
  color: var(--rc-ivory);
}

.page-contact .ct-prep__list {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-contact .ct-prep__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .85rem;
  padding-bottom: 1.05rem;
  margin-bottom: 1.05rem;
  border-bottom: 1px solid rgba(142, 123, 181, .24);
}

.page-contact .ct-prep__item:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-contact .ct-prep__num {
  padding-top: .22rem;
  font-family: var(--rc-font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--rc-gold);
}

.page-contact .ct-prep__t {
  margin: 0 0 .3rem;
  font-family: var(--rc-font-display);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--rc-ivory);
}

.page-contact .ct-prep__d {
  margin: 0;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--rc-silver-2);
}

.page-contact .ct-prep__foot {
  margin: 1.3rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed rgba(142, 123, 181, .35);
  font-size: .88rem;
  line-height: 1.7;
  color: var(--rc-silver);
}

.page-contact .ct-prep__foot a {
  color: var(--rc-gold-hi);
  text-decoration: underline;
  text-underline-offset: .22em;
}

.page-contact .ct-prep__foot a:hover {
  color: var(--rc-ivory);
}

.page-contact .ct-side-figure {
  margin: 0;
}

.page-contact .ct-side-figure__frame {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--rc-line);
  background: var(--rc-night);
  overflow: hidden;
}

.page-contact .ct-side-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .ct-side-figure figcaption {
  margin-top: .7rem;
  font-family: var(--rc-font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--rc-silver);
}

@media (min-width: 1020px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }
}

/* ---------- 合作与对接 ---------- */
.page-contact .ct-collab {
  padding: var(--ct-gap-lg) 0;
  border-top: 1px solid var(--rc-line);
  border-bottom: 1px solid var(--rc-line);
  background:
    linear-gradient(180deg, rgba(30, 18, 54, .9) 0%, rgba(21, 11, 38, .9) 100%);
}

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

.page-contact .ct-collab__col h3 {
  margin: 0 0 .9rem;
  padding-bottom: .7rem;
  border-bottom: 1px solid rgba(201, 162, 39, .35);
  font-family: var(--rc-font-display);
  font-weight: 600;
  font-size: clamp(1.15rem, 2.1vw, 1.45rem);
  line-height: 1.35;
  color: var(--rc-ivory);
}

.page-contact .ct-collab__col p {
  margin: 0 0 1rem;
  max-width: 48ch;
  font-size: .97rem;
  line-height: 1.8;
  color: var(--rc-silver-2);
}

.page-contact .ct-collab__col .rc-btn {
  margin-top: .35rem;
}

.page-contact .ct-fit {
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .55rem;
}

.page-contact .ct-fit li {
  position: relative;
  padding-left: 1.45rem;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--rc-ivory);
}

.page-contact .ct-fit li::before {
  content: "—";
  position: absolute;
  left: 0;
  font-family: var(--rc-font-mono);
  color: var(--rc-gold);
}

@media (min-width: 900px) {
  .page-contact .ct-collab__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

/* ---------- 时效刻度带 ---------- */
.page-contact .ct-response {
  padding: var(--ct-gap-lg) 0 calc(var(--ct-gap-lg) * 1.1);
  border-top: var(--ct-border-w) solid var(--rc-line-gold);
  background:
    repeating-linear-gradient(90deg, rgba(142, 123, 181, .14) 0 1px, transparent 1px 78px),
    linear-gradient(180deg, var(--rc-void) 0%, var(--rc-night) 100%);
}

.page-contact .ct-scale {
  margin: var(--ct-gap-lg) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

.page-contact .ct-scale__item {
  position: relative;
  padding: calc(var(--ct-gap) * .95) 1rem 1.25rem;
  border-top: var(--ct-border-w) solid rgba(201, 162, 39, .55);
  background: rgba(42, 26, 74, .34);
}

.page-contact .ct-scale__item::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 1rem;
  width: 10px;
  height: 10px;
  background: var(--rc-gold);
  transform: rotate(45deg);
}

.page-contact .ct-scale__val {
  display: block;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 500;
  color: var(--rc-gold-hi);
}

.page-contact .ct-scale__label {
  display: block;
  margin-top: .35rem;
  font-family: var(--rc-font-mono);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--rc-silver);
}

.page-contact .ct-scale__text {
  margin: .8rem 0 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--rc-silver-2);
}

.page-contact .ct-response__foot {
  margin: var(--ct-gap-lg) 0 0;
  max-width: 60ch;
  font-size: .92rem;
  line-height: 1.75;
  letter-spacing: .01em;
  color: var(--rc-silver);
}

@media (min-width: 720px) {
  .page-contact .ct-scale {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-scale {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 焦点与动效收敛 ---------- */
.page-contact a:focus-visible,
.page-contact .rc-btn:focus-visible {
  outline: 2px solid var(--rc-gold-hi);
  outline-offset: 3px;
}

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

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