.page-contact {
  position: relative;
  padding-bottom: 72px;
  --ct-lane-bg: linear-gradient(165deg, #191927 0%, #12121B 62%, #14141C 100%);
  --ct-lane-ring: inset 0 0 0 1px rgba(166, 163, 190, .20), 0 18px 42px rgba(0, 0, 0, .55);
  --ct-lane-ring-hi: inset 0 0 0 1px rgba(0, 229, 255, .55), 0 18px 46px rgba(106, 13, 173, .30);
}

.page-contact .ct-hero {
  position: relative;
  padding-top: 30px;
  overflow: hidden;
}

.page-contact .ct-hero .scanline {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.page-contact .ct-hero > *:not(.scanline) {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-contact .ct-hero__kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--orange);
}

.page-contact .ct-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 7.4vw, 44px);
  line-height: 1.16;
  letter-spacing: .01em;
  color: var(--text);
  text-shadow: 0 0 16px rgba(106, 13, 173, .55), 0 0 6px rgba(0, 229, 255, .22);
}

.page-contact .ct-hero__lede {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.88;
  color: var(--muted);
}

.page-contact .ct-block {
  margin-top: 52px;
}

/* ---------- 分流卡片区 ---------- */

.page-contact .ct-split__media {
  margin: 22px 0 0;
}

.page-contact .media-frame {
  overflow: hidden;
  border-radius: var(--r-m);
  background: var(--raise);
}

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

.page-contact .media-fig__cap {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .ct-split {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-contact .ct-lane {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px 22px;
  border-radius: var(--r-l);
  background: var(--ct-lane-bg);
  box-shadow: var(--ct-lane-ring);
  transition: box-shadow .3s var(--ease), transform .3s var(--ease);
  overflow: hidden;
}

.page-contact .ct-lane::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  opacity: .75;
}

.page-contact .ct-lane--partner::after {
  background: linear-gradient(90deg, var(--cyan), var(--purple-hi));
}

.page-contact .ct-lane:hover {
  transform: translateY(-2px);
  box-shadow: var(--ct-lane-ring-hi);
}

.page-contact .ct-lane__tag {
  align-self: flex-start;
  padding: 5px 11px;
  border-radius: var(--r-s);
  border: 1px solid var(--line-cyan);
  background: rgba(0, 229, 255, .06);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: .14em;
}

.page-contact .ct-lane--partner .ct-lane__tag {
  border-color: rgba(166, 77, 255, .45);
  background: rgba(106, 13, 173, .16);
  color: var(--purple-hi);
}

.page-contact .ct-lane__title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.42;
  color: var(--text);
}

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

.page-contact .ct-lane__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .ct-lane__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .66em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(0, 229, 255, .7);
}

.page-contact .ct-lane--partner .ct-lane__list li::before {
  background: var(--purple-hi);
  box-shadow: 0 0 8px rgba(166, 77, 255, .7);
}

.page-contact .ct-lane__foot {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 协作与流程 ---------- */

.page-contact .ct-collab {
  margin-top: 60px;
}

.page-contact .ct-collab__grid {
  display: grid;
  gap: 26px;
  margin-top: 20px;
}

.page-contact .ct-collab__intro p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.88;
  color: var(--muted);
}

.page-contact .ct-collab__intro p:last-of-type {
  margin-bottom: 20px;
}

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

.page-contact .ct-collab__media {
  margin: 0 0 20px;
}

.page-contact .ct-collab__steps-title {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
}

.page-contact .ct-step {
  position: relative;
  margin-bottom: 10px;
  border-radius: var(--r-m);
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  overflow: hidden;
  transition: box-shadow .25s var(--ease);
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--raise);
  transition: background .25s var(--ease), box-shadow .25s var(--ease);
}

.page-contact .ct-step:has(.ct-step__head[aria-expanded="true"])::before {
  background: var(--orange);
  box-shadow: 0 0 14px rgba(255, 122, 0, .7);
}

.page-contact .ct-step:has(.ct-step__head[aria-expanded="true"]) {
  box-shadow: inset 0 0 0 1px rgba(255, 122, 0, .34);
}

.page-contact .ct-step__head {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 16px 15px 18px;
  border: 0;
  background: none;
  text-align: left;
  cursor: pointer;
  color: var(--text);
  font-family: inherit;
}

.page-contact .ct-step__head:focus-visible {
  outline: 2px solid var(--cyan-soft);
  outline-offset: -2px;
}

.page-contact .ct-step__bead {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--raise);
  box-shadow: inset 0 0 0 1px rgba(0, 229, 255, .55);
  transition: background .25s var(--ease), box-shadow .25s var(--ease);
}

.page-contact .ct-step:has(.ct-step__head[aria-expanded="true"]) .ct-step__bead {
  background: var(--orange);
  box-shadow: 0 0 11px rgba(255, 122, 0, .85);
}

.page-contact .ct-step__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .ct-step:has(.ct-step__head[aria-expanded="true"]) .ct-step__idx {
  color: var(--orange-soft);
}

.page-contact .ct-step__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}

.page-contact .ct-step .fold__body {
  padding: 0 18px 18px 46px;
}

.page-contact .ct-step .fold__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 联系方式信息带 ---------- */

.page-contact .ct-band {
  position: relative;
  margin-top: 60px;
  padding: 26px 20px 26px 24px;
  border-radius: var(--r-m);
  background:
    linear-gradient(115deg, rgba(255, 122, 0, .10) 0%, rgba(255, 122, 0, 0) 46%),
    var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  overflow: hidden;
}

.page-contact .ct-band::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--orange);
  box-shadow: 0 0 18px rgba(255, 122, 0, .6);
}

.page-contact .ct-band__label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-contact .ct-band__grid {
  display: grid;
  gap: 16px;
}

.page-contact .ct-band__grid .contact-line {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.page-contact .ct-band__grid .contact-line__k {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .ct-band__grid .contact-line__v {
  min-width: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-contact .ct-copy {
  display: inline-block;
  max-width: 100%;
  padding: 8px 12px;
  border: 1px dashed var(--line-cyan);
  border-radius: var(--r-s);
  background: rgba(0, 229, 255, .06);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  text-align: left;
  word-break: break-all;
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}

.page-contact .ct-copy:hover {
  border-color: var(--cyan);
  background: rgba(0, 229, 255, .13);
  color: var(--cyan-soft);
}

.page-contact .ct-copy:focus-visible {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 2px;
}

.page-contact .ct-band__note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 准备清单 ---------- */

.page-contact .ct-check {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-check li {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 15px 16px;
  border-radius: var(--r-m);
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: 15px;
  line-height: 1.74;
  color: var(--muted);
  transition: box-shadow .25s var(--ease);
}

.page-contact .ct-check li:hover {
  box-shadow: inset 0 0 0 1px var(--line-cyan);
}

.page-contact .ct-check__num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .ct-outro {
  margin: 28px 0 0;
  padding: 18px 20px;
  border-radius: var(--r-m);
  border-left: 3px solid var(--purple-hi);
  background: rgba(106, 13, 173, .10);
  font-size: 15px;
  line-height: 1.86;
  color: var(--muted);
}

.page-contact .ct-outro a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-outro a:hover {
  color: var(--cyan-soft);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .ct-band__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 24px;
  }

  .page-contact .ct-check {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 18px;
  }

  .page-contact .ct-band {
    padding: 30px 28px 30px 32px;
  }
}

@media (min-width: 780px) {
  .page-contact .ct-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .ct-lane {
    padding: 26px 24px 24px;
  }
}

@media (min-width: 940px) {
  .page-contact .ct-collab__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 38px;
    align-items: start;
  }

  .page-contact .ct-hero {
    padding-top: 40px;
  }

  .page-contact .ct-block,
  .page-contact .ct-collab {
    margin-top: 68px;
  }

  .page-contact .ct-band {
    margin-top: 68px;
    padding: 34px 34px 34px 40px;
  }

  .page-contact .ct-band__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-lane,
  .page-contact .ct-step,
  .page-contact .ct-copy,
  .page-contact .ct-check li {
    transition: none;
  }

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