.page-contact {
  --ct-pad: clamp(18px, 2.4vw, 30px);
  --ct-line: rgba(168, 245, 228, .28);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: hidden;
}

/* ---------- 首屏框景 ---------- */
.page-contact .ct-hero {
  padding-top: clamp(18px, 3vw, 40px);
}

.page-contact .ct-hero-frame {
  position: relative;
  border: 2px solid var(--line-mid);
  padding: clamp(26px, 5vw, 62px) clamp(20px, 4vw, 56px) clamp(28px, 5vw, 58px);
  background:
    radial-gradient(110% 130% at 92% 2%, rgba(79, 227, 193, .16), transparent 60%),
    radial-gradient(90% 110% at 4% 100%, rgba(255, 138, 61, .10), transparent 58%),
    linear-gradient(160deg, var(--ink-900) 0%, var(--ink-700) 100%);
  overflow: hidden;
}

.page-contact .ct-hero-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  background: repeating-linear-gradient(to right, var(--line-mid) 0 1px, transparent 1px 30px);
  pointer-events: none;
}

.page-contact .ct-hero-frame::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -92px;
  width: 240px;
  height: 240px;
  border: 2px solid var(--orange-500);
  border-radius: 50%;
  border-bottom-color: transparent;
  border-left-color: transparent;
  opacity: .55;
  transform: rotate(12deg);
  pointer-events: none;
}

.page-contact .ct-hero-label {
  margin: 0;
  color: var(--orange-200);
}

.page-contact .ct-hero-title {
  margin: clamp(12px, 1.6vw, 20px) 0 0;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(32px, 7vw, 76px);
  line-height: 1.05;
  letter-spacing: -.015em;
  color: var(--mist-100);
  max-width: 16ch;
}

.page-contact .ct-hero-lede {
  margin: clamp(16px, 2vw, 26px) 0 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--mist-100);
  opacity: .9;
}

.page-contact .ct-hero-keys {
  list-style: none;
  margin: clamp(24px, 3.4vw, 44px) 0 0;
  padding: clamp(18px, 2.4vw, 28px) 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .ct-key {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.page-contact .ct-key-num {
  flex: none;
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan-400);
}

.page-contact .ct-key-text {
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--slate-400);
}

/* ---------- 主体两栏 ---------- */
.page-contact .ct-body {
  padding-top: clamp(36px, 6vw, 84px);
}

.page-contact .ct-body-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-contact .ct-aside,
.page-contact .ct-main {
  min-width: 0;
}

/* ---------- 联系信息卡 ---------- */
.page-contact .ct-card {
  position: relative;
  border: 2px solid var(--line-mid);
  background: var(--ink-700);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .ct-card-bg {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .34;
  pointer-events: none;
}

.page-contact .ct-card-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: var(--ct-pad);
  background: linear-gradient(165deg, rgba(11, 58, 46, .74), rgba(6, 35, 28, .9));
}

.page-contact .ct-card-label {
  margin: 0;
  color: var(--orange-200);
}

.page-contact .ct-card-title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--mist-100);
}

.page-contact .ct-card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-100);
  opacity: .78;
}

.page-contact .ct-contacts {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-contact .ct-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
  min-width: 0;
}

.page-contact .ct-contact-label {
  margin: 0;
  color: var(--orange-200);
}

.page-contact .ct-contact-value {
  font-size: clamp(14px, 3.6vw, 17px);
  line-height: 1.55;
  letter-spacing: -.01em;
  color: var(--cyan-200);
  overflow-wrap: anywhere;
}

.page-contact .ct-contact-value--text {
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: 0;
  line-height: 1.7;
  color: var(--mist-100);
  opacity: .88;
}

.page-contact .ct-copy {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--line-mid);
  background: transparent;
  color: var(--cyan-400);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: .14em;
  cursor: pointer;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-contact .ct-copy:hover {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  color: var(--night-950);
}

.page-contact .ct-copy:active {
  transform: translateY(2px);
}

.page-contact .ct-copy:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: 2px;
}

.page-contact .ct-card-note {
  margin: 4px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--slate-400);
}

/* ---------- 右侧长文 ---------- */
.page-contact .ct-main {
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 6vw, 80px);
}

.page-contact .ct-head {
  position: relative;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 52px;
  height: 2px;
  background: var(--orange-500);
}

.page-contact .ct-head-index {
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--slate-400);
}

.page-contact .ct-head-title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--mist-100);
}

.page-contact .ct-block-lede {
  margin: 18px 0 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-400);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-directions {
  margin-top: clamp(22px, 3vw, 34px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .ct-direction {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: clamp(18px, 2.2vw, 26px);
  background: var(--ink-500);
  border: 2px solid var(--line-mid);
  box-shadow: var(--shadow-hard-sm);
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-contact .ct-direction:hover {
  transform: translate(-2px, -2px);
  border-color: var(--cyan-400);
  box-shadow: var(--shadow-hard);
}

.page-contact .ct-dir-tag {
  margin: 0;
  color: var(--orange-200);
}

.page-contact .ct-dir-title {
  margin: 0;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--mist-100);
}

.page-contact .ct-dir-body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist-100);
  opacity: .82;
}

.page-contact .ct-dir-list {
  list-style: none;
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .ct-dir-list li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-100);
  opacity: .85;
}

.page-contact .ct-dir-key {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan-400);
}

/* ---------- 流程 ---------- */
.page-contact .ct-process-figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
  border: 2px solid var(--line-mid);
  box-shadow: var(--shadow-hard-sm);
  background: var(--ink-700);
  overflow: hidden;
}

.page-contact .ct-process-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-contact .ct-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: clamp(16px, 2vw, 24px);
}

.page-contact .ct-step {
  position: relative;
  min-width: 0;
  padding: clamp(18px, 2vw, 24px) 0 0;
  border-top: 2px solid var(--line-mid);
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--orange-500);
}

.page-contact .ct-step-num {
  display: block;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan-400);
}

.page-contact .ct-step-title {
  margin: 12px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--mist-100);
}

.page-contact .ct-step-body {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-100);
  opacity: .8;
}

/* ---------- 自助入口 ---------- */
.page-contact .ct-help {
  padding-top: clamp(44px, 6vw, 88px);
}

.page-contact .ct-help-inner {
  width: min(760px, 100%);
  margin: 0 auto;
  padding-top: clamp(24px, 3vw, 38px);
  border-top: 2px solid var(--line-mid);
}

.page-contact .ct-help-label {
  margin: 0;
  color: var(--orange-200);
}

.page-contact .ct-help-title {
  margin: 12px 0 0;
  font-size: clamp(21px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--mist-100);
}

.page-contact .ct-help-text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-400);
}

.page-contact .ct-help-links {
  list-style: none;
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  padding: 0;
}

.page-contact .ct-help-links a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
  text-decoration: none;
  color: var(--mist-100);
  transition:
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    padding-left var(--dur) var(--ease);
}

.page-contact .ct-help-links a:hover,
.page-contact .ct-help-links a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
  padding-left: 6px;
}

.page-contact .ct-help-links a:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: 2px;
}

.page-contact .ct-help-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-contact .ct-help-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate-400);
}

.page-contact .ct-help-links a:hover .ct-help-desc,
.page-contact .ct-help-links a:focus-visible .ct-help-desc {
  color: var(--cyan-200);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-hero-keys {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(16px, 2.4vw, 32px);
  }
}

@media (min-width: 960px) {
  .page-contact .ct-body-grid {
    grid-template-columns: minmax(272px, 330px) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-contact .ct-aside {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (max-width: 600px) {
  .page-contact .ct-key {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-contact .ct-head {
    gap: 8px;
  }

  .page-contact .ct-help-inner {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-copy,
  .page-contact .ct-direction,
  .page-contact .ct-help-links a {
    transition: none;
  }

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