.page-contact {
  --ct-gap: clamp(18px, 4.5vw, 56px);
  background: var(--deep);
  color: var(--cream);
  overflow-x: clip;
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

.page-contact figure {
  margin: 0;
}

/* ---------- 封面 ---------- */

.page-contact .ct-cover {
  position: relative;
  padding: clamp(26px, 5vw, 56px) 0 clamp(44px, 8vw, 100px);
  background:
    radial-gradient(760px 460px at 86% 6%, rgba(0, 229, 199, 0.16), transparent 64%),
    radial-gradient(620px 440px at 2% 98%, rgba(196, 106, 74, 0.2), transparent 68%),
    linear-gradient(176deg, var(--deep-3) 0%, var(--deep) 58%, var(--deep-1) 100%);
}

.page-contact .ct-cover__grid {
  display: grid;
  gap: clamp(30px, 5vw, 54px);
  margin-top: clamp(22px, 3.5vw, 40px);
  align-items: center;
}

.page-contact .ct-cover__text h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 7.4vw, 74px);
  line-height: 1.04;
  letter-spacing: 0.005em;
  margin: 14px 0 20px;
  color: var(--cream);
  text-wrap: balance;
}

.page-contact .ct-cover__text .lead {
  max-width: 60ch;
  color: var(--cream-dim);
}

.page-contact .ct-cover__tags {
  list-style: none;
  margin: 26px 0 30px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

.page-contact .ct-cover__media {
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: 0 36px 80px -48px rgba(0, 0, 0, 0.9);
}

/* ---------- 联系渠道 ---------- */

.page-contact .ct-channels {
  padding: clamp(46px, 8vw, 96px) 0;
  background: linear-gradient(180deg, var(--deep-1) 0%, var(--deep-2) 100%);
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(15, 39, 67, 0.82), rgba(7, 19, 34, 0.88));
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--cyan);
  opacity: 0.8;
}

.page-contact .ct-channel--phone::before {
  background: var(--orange);
}

.page-contact .ct-channel--addr::before {
  background: var(--clay);
}

.page-contact .ct-channel:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.page-contact .ct-channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cream-mute);
}

.page-contact .ct-channel__value {
  margin: 0;
  font-size: clamp(16px, 2.3vw, 20px);
  line-height: 1.5;
  color: var(--cream);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-channel--mail .ct-channel__value {
  color: var(--cyan);
}

.page-contact .ct-channel__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-contact .ct-channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cream-dim);
}

/* ---------- 合作流程 ---------- */

.page-contact .ct-flow {
  padding: clamp(48px, 8vw, 110px) 0;
  background:
    radial-gradient(680px 420px at 94% 4%, rgba(47, 93, 80, 0.55), transparent 66%),
    linear-gradient(180deg, var(--deep-2) 0%, var(--deep-3) 100%);
}

.page-contact .ct-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
}

.page-contact .ct-flow__intro .section-title {
  margin-bottom: 14px;
}

.page-contact .ct-flow__intro .lead {
  color: var(--cream-dim);
}

.page-contact .ct-flow__media {
  margin-top: clamp(24px, 3vw, 36px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-step {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: clamp(20px, 2.6vw, 26px);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(15, 39, 67, 0.9), rgba(7, 19, 34, 0.88));
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), background 0.28s var(--ease);
}

.page-contact .ct-step::after {
  content: "";
  position: absolute;
  left: 26px;
  bottom: -14px;
  width: 1px;
  height: 14px;
  background: linear-gradient(180deg, var(--cyan), transparent);
  opacity: 0.7;
}

.page-contact .ct-step:last-child::after {
  display: none;
}

.page-contact .ct-step:hover,
.page-contact .ct-step:focus-within {
  transform: translateX(8px);
  border-color: var(--line-strong);
  background: linear-gradient(140deg, rgba(20, 51, 86, 0.94), rgba(9, 24, 43, 0.92));
}

.page-contact .ct-step__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--deep-4);
  background: var(--cyan);
}

.page-contact .ct-step:nth-child(2) .ct-step__idx {
  background: var(--orange);
}

.page-contact .ct-step:nth-child(3) .ct-step__idx {
  background: var(--violet);
  color: var(--cream);
}

.page-contact .ct-step:nth-child(4) .ct-step__idx {
  background: var(--clay);
  color: var(--cream);
}

.page-contact .ct-step__title {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 27px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-contact .ct-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--cream-dim);
}

/* ---------- 合作场景 ---------- */

.page-contact .ct-scenes {
  padding: clamp(48px, 8vw, 110px) 0;
  background: linear-gradient(180deg, var(--deep-3) 0%, var(--deep-1) 100%);
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-scenes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .ct-scene {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(26px, 3.4vw, 40px);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .ct-scene--venue {
  border: 1px solid rgba(47, 93, 80, 0.55);
  background:
    radial-gradient(420px 260px at 90% 0%, rgba(47, 93, 80, 0.5), transparent 70%),
    linear-gradient(160deg, var(--deep-2), var(--deep-1));
}

.page-contact .ct-scene--content {
  border: 1px solid rgba(124, 92, 255, 0.38);
  background:
    radial-gradient(420px 260px at 90% 0%, rgba(124, 92, 255, 0.3), transparent 70%),
    linear-gradient(160deg, var(--deep-2), var(--deep-1));
}

.page-contact .ct-scene h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-contact .ct-scene__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--cream-dim);
}

.page-contact .ct-scene__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-scene__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--cream-dim);
}

.page-contact .ct-scene__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-contact .ct-scene--content .ct-scene__list li::before {
  background: var(--violet);
}

.page-contact .ct-scene__link {
  margin-top: auto;
  padding-top: 6px;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 199, 0.32);
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-contact .ct-scene--content .ct-scene__link {
  color: var(--violet);
  border-bottom-color: rgba(124, 92, 255, 0.4);
}

.page-contact .ct-scene__link:hover {
  border-bottom-color: currentColor;
}

/* ---------- 商务备注 ---------- */

.page-contact .ct-closing {
  padding: clamp(48px, 8vw, 104px) 0 clamp(56px, 9vw, 124px);
  background:
    radial-gradient(760px 420px at 6% 0%, rgba(196, 106, 74, 0.28), transparent 68%),
    radial-gradient(640px 380px at 96% 100%, rgba(0, 229, 199, 0.12), transparent 68%),
    var(--deep-4);
}

.page-contact .ct-closing__card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: clamp(26px, 4vw, 48px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(15, 39, 67, 0.92), rgba(5, 13, 23, 0.95));
}

.page-contact .ct-closing__title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-contact .ct-closing__text {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cream-dim);
}

.page-contact .ct-closing__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-contact .ct-closing__aside {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(10, 26, 47, 0.72);
}

.page-contact .ct-closing__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cream-mute);
}

.page-contact .ct-closing__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-closing__facts li {
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cream-dim);
  border-left: 2px solid var(--clay);
}

.page-contact .ct-closing__facts .num {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
}

/* ---------- 断点 ---------- */

@media (min-width: 760px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .ct-scenes__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 26px;
  }
}

@media (min-width: 880px) {
  .page-contact .ct-closing__card {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 48px;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-cover__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(40px, 6vw, 88px);
  }

  .page-contact .ct-cover__media {
    transform: translateY(-18px);
  }
}

@media (min-width: 960px) {
  .page-contact .ct-flow__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(48px, 6vw, 84px);
    align-items: start;
  }
}

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

  .page-contact .ct-step:hover,
  .page-contact .ct-step:focus-within,
  .page-contact .ct-channel:hover,
  .page-contact .ct-cover__media {
    transform: none;
  }
}