.page-contact {
  --ct-line: rgba(42, 59, 82, .85);
  --ct-line-soft: rgba(42, 59, 82, .5);
  --ct-gap: clamp(20px, 3vw, 36px);
  background: var(--ink-950);
  color: var(--paper-050);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(88px, 13vh, 132px) 0 clamp(44px, 6vw, 88px);
  background:
    radial-gradient(900px 540px at 84% 6%, rgba(53, 230, 212, .15), transparent 62%),
    radial-gradient(620px 420px at 4% 96%, rgba(255, 178, 94, .11), transparent 66%),
    var(--ink-950);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(169, 184, 204, .055) 0 1px,
    transparent 1px 7px
  );
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 78%);
}

.page-contact .ct-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  margin-top: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-contact .ct-kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-contact .ct-kicker--dark {
  color: var(--cyan-600);
}

.page-contact .ct-kicker--warm {
  color: var(--amber-400);
}

.page-contact .ct-title {
  margin: 14px 0 0;
  font-size: clamp(38px, 7.4vw, 86px);
  line-height: .98;
  letter-spacing: -.035em;
  font-weight: 900;
}

.page-contact .ct-title em {
  font-style: normal;
  color: var(--accent);
}

.page-contact .ct-lead {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 40em;
  color: var(--text-dim);
  line-height: 1.75;
}

/* ---------- 渠道卡 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.8vw, 28px);
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-l);
  background: linear-gradient(158deg, rgba(12, 27, 46, .96), rgba(6, 17, 31, .9));
}

.page-contact .ct-channel--mail {
  border-color: rgba(53, 230, 212, .42);
  background: linear-gradient(158deg, rgba(15, 168, 160, .16), rgba(6, 17, 31, .92) 62%);
}

.page-contact .ct-channel--phone {
  border-color: rgba(255, 178, 94, .34);
}

.page-contact .ct-channel-label {
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.page-contact .ct-channel-value {
  display: block;
  font-family: var(--font-mono);
  color: var(--paper-050);
  line-height: 1.15;
  letter-spacing: -.01em;
}

.page-contact .ct-channel-value--mail {
  font-size: clamp(15px, 4.1vw, 32px);
  word-break: break-word;
}

.page-contact .ct-channel-value--phone {
  font-size: clamp(26px, 5vw, 42px);
  color: var(--accent-warm);
  word-break: break-word;
}

.page-contact .ct-channel-foot {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.page-contact .ct-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(53, 230, 212, .5);
  background: rgba(53, 230, 212, .1);
  color: var(--accent);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  color: var(--ink-900);
}

.page-contact .ct-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--accent);
}

.page-contact .ct-hours {
  margin: 0;
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper-050);
}

.page-contact .ct-hours-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 首屏侧栏 ---------- */
.page-contact .ct-hero-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .ct-hero-figure {
  margin: 0;
  aspect-ratio: 4 / 3.4;
  overflow: hidden;
}

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

.page-contact .ct-aside-note {
  padding: 18px 20px;
  border-radius: var(--radius-m);
  border: 1px solid var(--ct-line);
  border-left: 2px solid var(--accent);
  background: rgba(12, 27, 46, .7);
}

.page-contact .ct-aside-note p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .ct-prepare {
  color: var(--ink-900);
}

.page-contact .ct-prepare-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-contact .ct-prepare-figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

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

.page-contact .ct-h2 {
  margin: 12px 0 0;
  color: inherit;
  font-size: clamp(28px, 4.4vw, 48px);
  line-height: 1.04;
  letter-spacing: -.025em;
}

.page-contact .ct-text {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(7, 17, 28, .78);
  max-width: 42em;
}

.page-contact .ct-checklist {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-contact .ct-check {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px dashed rgba(42, 59, 82, .3);
}

.page-contact .ct-check:first-child {
  border-top: 1px dashed rgba(42, 59, 82, .3);
}

.page-contact .ct-check-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: var(--mint-100);
  border: 1px solid var(--cyan-600);
  color: var(--cyan-600);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
}

.page-contact .ct-check-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-contact .ct-check p {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(7, 17, 28, .7);
}

.page-contact .ct-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .ct-tag {
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  background: var(--mist-100);
  border: 1px solid rgba(15, 168, 160, .34);
  color: rgba(7, 17, 28, .82);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-partners-section {
  background: linear-gradient(180deg, var(--ink-950), var(--ink-850) 48%, var(--ink-950));
}

.page-contact .ct-section-head {
  display: grid;
  gap: 18px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .ct-head-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 46em;
}

.page-contact .ct-partners {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-contact .ct-partner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-l);
  background: rgba(12, 27, 46, .76);
}

.page-contact .ct-partner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 66px;
  border-radius: 0 3px 3px 0;
  background: var(--accent);
}

.page-contact .ct-partner:nth-child(2)::before {
  background: var(--accent-warm);
}

.page-contact .ct-partner-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.page-contact .ct-partner h3 {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  letter-spacing: -.015em;
  color: var(--paper-050);
}

.page-contact .ct-partner-lead {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--accent);
}

.page-contact .ct-partner-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-partner-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--text-dim);
}

.page-contact .ct-partner-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 1px;
  background: var(--cyan-600);
}

.page-contact .ct-link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 3px;
  font-size: 14px;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 212, .42);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .ct-link:hover,
.page-contact .ct-link:focus-visible {
  color: var(--paper-050);
  border-color: var(--paper-050);
}

/* ---------- 服务响应流程 ---------- */
.page-contact .ct-process {
  background: var(--ink-950);
}

.page-contact .ct-process-grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
}

.page-contact .ct-response-cards {
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .ct-response-card {
  padding: 18px 20px;
  border-radius: var(--radius-m);
  border: 1px solid var(--ct-line);
  background: rgba(12, 27, 46, .68);
}

.page-contact .ct-response-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--accent);
  letter-spacing: -.01em;
}

.page-contact .ct-response-card p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--text-dim);
}

.page-contact .ct-steps {
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-step {
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-step summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 20px 44px 20px 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .ct-step summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-step summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--accent);
}

.page-contact .ct-step[open] summary::after {
  content: "–";
}

.page-contact .ct-step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--text-dim);
}

.page-contact .ct-step-title {
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper-050);
}

.page-contact .ct-step[open] .ct-step-title {
  color: var(--accent);
}

.page-contact .ct-step-body {
  padding: 0 44px 22px 44px;
}

.page-contact .ct-step-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

/* ---------- 到访与留言 ---------- */
.page-contact .ct-visit-section {
  padding-bottom: clamp(64px, 9vw, 120px);
}

.page-contact .ct-visit {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-contact .ct-visit-panel {
  padding: clamp(24px, 4vw, 48px);
  border-radius: var(--radius-l);
  border: 1px solid rgba(255, 178, 94, .34);
  background-color: var(--ink-850);
  background-image:
    linear-gradient(rgba(53, 230, 212, .1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 230, 212, .1) 1px, transparent 1px);
  background-size: 34px 34px;
}

.page-contact .ct-visit-list {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-contact .ct-visit-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--ct-line-soft);
}

.page-contact .ct-visit-row:last-child {
  border-bottom: 1px solid var(--ct-line-soft);
}

.page-contact .ct-visit-row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--accent-warm);
}

.page-contact .ct-visit-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--paper-050);
}

.page-contact .ct-btn {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .ct-visit-side {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius-m);
  border: 1px solid var(--ct-line);
  background: rgba(12, 27, 46, .6);
}

.page-contact .ct-side-lead {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--text-dim);
}

.page-contact .ct-links {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .ct-links li {
  border-top: 1px solid var(--ct-line-soft);
}

.page-contact .ct-links a {
  display: block;
  padding: 12px 0 12px 18px;
  position: relative;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper-050);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-contact .ct-links a::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-600);
}

.page-contact .ct-links a:hover,
.page-contact .ct-links a:focus-visible {
  color: var(--accent);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-channels {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .ct-channel--mail {
    grid-column: 1 / -1;
  }

  .page-contact .ct-response-cards {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .ct-section-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    align-items: end;
  }

  .page-contact .ct-visit-row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-contact .ct-prepare-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
  }

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

  .page-contact .ct-partner:nth-child(2) {
    margin-top: 34px;
  }

  .page-contact .ct-partner:nth-child(3) {
    margin-top: 68px;
  }

  .page-contact .ct-visit {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, .78fr);
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-process-grid {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-contact .ct-steps {
    margin-top: 6px;
  }
}

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