.page-contact {
  background: var(--gray-050);
  color: var(--ink-900);
  font-family: var(--font-sans);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 26px 0 42px;
  background:
    radial-gradient(circle at 88% 4%, rgba(32, 227, 210, 0.22), transparent 56%),
    radial-gradient(circle at 2% 98%, rgba(111, 92, 255, 0.24), transparent 54%),
    linear-gradient(155deg, var(--ink-950) 0%, var(--ink-800) 58%, var(--ink-950) 100%);
  color: #fff;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    repeating-linear-gradient(0deg, rgba(138, 248, 238, 0.07) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(138, 248, 238, 0.07) 0 1px, transparent 1px 44px);
  opacity: 0.85;
  pointer-events: none;
}

.page-contact .ct-hero-grid {
  display: grid;
  gap: 26px;
}

.page-contact .ct-hero .breadcrumb {
  margin-bottom: 18px;
}

.page-contact .ct-hero .breadcrumb-link {
  color: var(--cyan-300);
}

.page-contact .ct-hero .breadcrumb-item span[aria-current="page"] {
  color: rgba(244, 247, 249, 0.62);
}

.page-contact .ct-hero .eyebrow {
  color: var(--cyan-300);
}

.page-contact .ct-hero h1 {
  margin: 10px 0 0;
  font-size: 30px;
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-contact .ct-lead {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 247, 249, 0.8);
}

.page-contact .ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .ct-hero-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-hero-facts li {
  display: grid;
  gap: 4px;
  padding: 13px 15px;
  border-radius: var(--radius-md);
  background: rgba(11, 39, 64, 0.72);
  border: 1px solid rgba(138, 248, 238, 0.2);
}

.page-contact .ct-hero-facts .num {
  font-size: 15px;
  font-weight: 800;
  color: var(--cyan-300);
}

.page-contact .ct-hero-facts li > span:last-child {
  font-size: 13px;
  color: rgba(244, 247, 249, 0.66);
}

.page-contact .ct-hero-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(138, 248, 238, 0.28);
  box-shadow: var(--shadow-2);
  background: var(--ink-800);
}

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

/* ---------- 小节标题 ---------- */
.page-contact .ct-section-head {
  margin-bottom: 20px;
}

.page-contact .ct-section-head h2 {
  margin: 7px 0 0;
  font-size: 25px;
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink-800);
}

.page-contact .ct-section-sub {
  margin: 9px 0 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 双栏错位 ---------- */
.page-contact .ct-split {
  display: grid;
  gap: 22px;
}

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

.page-contact .ct-channel {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-1);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  transform: translateY(-3px);
  border-color: rgba(32, 227, 210, 0.6);
  box-shadow: var(--shadow-2);
}

.page-contact .ct-channel-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.page-contact .ct-channel-tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: rgba(32, 227, 210, 0.14);
  color: var(--ink-800);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.page-contact .ct-channel-tag--violet {
  background: rgba(111, 92, 255, 0.14);
}

.page-contact .ct-channel-tag--cyan {
  background: rgba(32, 227, 210, 0.22);
}

.page-contact .ct-channel-value {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--ink-800);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ct-channel-value--text {
  font-family: var(--font-sans);
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-contact .ct-channel-desc {
  margin: 10px 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-channel--entry {
  background: linear-gradient(150deg, #ffffff 0%, #eefbf9 100%);
  border-color: rgba(32, 227, 210, 0.34);
}

.page-contact .ct-copy {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 800;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(32, 227, 210, 0.62);
  background: rgba(32, 227, 210, 0.12);
  color: var(--ink-800);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  background: var(--cyan-500);
  border-color: var(--cyan-500);
  color: var(--ink-950);
  outline: none;
}

.page-contact .ct-copy.is-done {
  background: var(--ink-800);
  border-color: var(--ink-800);
  color: var(--cyan-300);
}

/* ---------- 右侧：时间线与清单 ---------- */
.page-contact .ct-aside {
  display: grid;
  gap: 16px;
}

.page-contact .ct-aside-panel,
.page-contact .ct-checklist {
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-1);
}

.page-contact .ct-checklist {
  background: var(--gray-100);
  border-color: transparent;
  box-shadow: none;
}

.page-contact .ct-aside-title {
  margin: 0 0 18px;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink-800);
}

.page-contact .ct-timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(var(--cyan-500), var(--violet-500));
  opacity: 0.55;
}

.page-contact .ct-timeline-item {
  position: relative;
  padding: 0 0 20px 30px;
}

.page-contact .ct-timeline-item:last-child {
  padding-bottom: 0;
}

.page-contact .ct-timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--cyan-500);
  box-sizing: border-box;
}

.page-contact .ct-timeline-item h4 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 800;
  color: var(--ink-800);
}

.page-contact .ct-timeline-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .ct-checks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-contact .ct-checks li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-contact .ct-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--cyan-500);
  transform: rotate(45deg);
}

/* ---------- 紧急问题 ---------- */
.page-contact .panel.ct-urgent {
  position: relative;
  overflow: hidden;
  padding: 26px 20px 28px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 92% 2%, rgba(255, 107, 74, 0.26), transparent 52%),
    linear-gradient(145deg, var(--ink-800) 0%, var(--ink-950) 100%);
  color: #fff;
}

.page-contact .ct-urgent .eyebrow {
  color: var(--cyan-300);
}

.page-contact .ct-urgent h2 {
  margin: 8px 0 0;
  font-size: 24px;
  line-height: 1.26;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-contact .ct-urgent-lead {
  margin: 13px 0 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 247, 249, 0.78);
}

.page-contact .ct-steps {
  counter-reset: ct;
  display: grid;
  gap: 12px;
  margin: 22px 0 24px;
  padding: 0;
  list-style: none;
}

.page-contact .ct-steps li {
  counter-increment: ct;
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(244, 247, 249, 0.07);
  border: 1px solid rgba(138, 248, 238, 0.2);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 247, 249, 0.9);
}

.page-contact .ct-steps li::before {
  content: "0" counter(ct);
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--cyan-300);
}

/* ---------- 合作与反馈 ---------- */
.page-contact .ct-collab {
  display: grid;
  gap: 14px;
}

.page-contact .ct-collab-card {
  padding: 20px;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--gray-100);
  border-top: 3px solid var(--cyan-500);
  box-shadow: var(--shadow-1);
}

.page-contact .ct-collab-card h3 {
  margin: 0 0 9px;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink-800);
}

.page-contact .ct-collab-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-collab-card--violet {
  border-top-color: var(--violet-500);
}

.page-contact .ct-collab-card--coral {
  border-top-color: var(--coral-500);
}

.page-contact .ct-collab-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ct-collab-note .num {
  font-weight: 800;
  color: var(--ink-800);
}

/* ---------- 站点信息 ---------- */
.page-contact .ct-info-grid {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-contact .ct-info-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-100);
}

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

.page-contact .ct-info-body h2 {
  margin: 7px 0 0;
  font-size: 23px;
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink-800);
}

.page-contact .ct-info-text {
  margin: 11px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-info-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
}

.page-contact .ct-info-list > div {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
}

.page-contact .ct-info-list dt {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .ct-info-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-900);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ct-info-list dd.num {
  font-weight: 800;
  color: var(--ink-800);
}

/* ---------- 延伸入口 ---------- */
.page-contact .ct-onward {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
  padding-bottom: 12px;
}

.page-contact .ct-onward-link {
  display: inline-block;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  background: #fff;
  border: 1px solid var(--gray-100);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-800);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-contact .ct-onward-link:hover,
.page-contact .ct-onward-link:focus-visible {
  border-color: rgba(32, 227, 210, 0.7);
  color: var(--ink-950);
  transform: translateY(-2px);
  outline: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-hero {
    padding: 38px 0 54px;
  }

  .page-contact .ct-hero h1 {
    font-size: 40px;
  }

  .page-contact .ct-lead {
    font-size: 16px;
  }

  .page-contact .ct-section-head h2 {
    font-size: 29px;
  }

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

  .page-contact .ct-aside-panel,
  .page-contact .ct-checklist {
    padding: 24px;
  }

  .page-contact .ct-collab {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .panel.ct-urgent {
    padding: 32px 28px 34px;
  }

  .page-contact .ct-urgent h2 {
    font-size: 28px;
  }

  .page-contact .ct-info-list > div {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
    gap: 46px;
  }

  .page-contact .ct-hero h1 {
    font-size: 46px;
  }

  .page-contact .ct-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: 26px;
  }

  .page-contact .ct-aside {
    margin-top: 30px;
  }

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

  .page-contact .ct-info-grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: 40px;
  }
}

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

  .page-contact .ct-channel:hover,
  .page-contact .ct-channel:focus-within,
  .page-contact .ct-onward-link:hover,
  .page-contact .ct-onward-link:focus-visible {
    transform: none;
  }
}