.page-contact {
  --ct-gap: 18px;
  --ct-line: 1px solid var(--og-rule);
  color: var(--og-ink);
  font-family: var(--og-font-sans);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(26px, 5vw, 52px) 0 clamp(34px, 6vw, 68px);
  overflow: hidden;
  border-bottom: var(--ct-line);
}
.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-contact .ct-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.75) contrast(1.05);
}
.page-contact .ct-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(80% 60% at 12% 18%, rgba(37, 230, 208, 0.18), transparent 62%),
    radial-gradient(60% 55% at 88% 82%, rgba(142, 107, 255, 0.16), transparent 60%),
    linear-gradient(180deg, rgba(6, 10, 22, 0.55), rgba(6, 10, 22, 0.94));
}
.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 16px;
}
.page-contact .ct-hero__title {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
}
.page-contact .ct-hero__lede {
  max-width: 46ch;
  margin: 0;
  color: var(--og-ink-soft);
}
.page-contact .ct-hero__meta {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-contact .ct-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 14px;
  border: var(--ct-line);
  border-radius: 999px;
  background: rgba(22, 34, 62, 0.55);
  backdrop-filter: blur(8px);
  font-size: 13px;
  color: var(--og-ink-dim);
}
.page-contact .ct-hero__meta .og-mono {
  color: var(--og-cyan);
  font-size: 13px;
}

/* ---------- 通用标题 ---------- */
.page-contact .ct-h2 {
  margin: 8px 0 12px;
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

/* ---------- 渠道条 ---------- */
.page-contact .ct-channels { padding: clamp(34px, 6vw, 64px) 0; }
.page-contact .ct-channel-row {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}
.page-contact .ct-channel {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 22px 20px 22px 26px;
  background: var(--og-panel);
  border: var(--ct-line);
  border-radius: var(--og-radius);
  overflow: hidden;
}
.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--og-cyan);
}
.page-contact .ct-channel--warm::before { background: var(--og-orange); }
.page-contact .ct-channel--violet::before {
  background: linear-gradient(180deg, var(--og-violet), var(--og-violet-soft));
}
.page-contact .ct-channel__key {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--og-ink-dim);
}
.page-contact .ct-channel__title {
  margin: 0;
  font-size: 19px;
  letter-spacing: -0.01em;
}
.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--og-ink-soft);
}
.page-contact .ct-channel__value {
  margin: 4px 0 0;
  padding: 10px 12px;
  border: 1px dashed var(--og-rule);
  border-radius: 12px;
  background: var(--og-void);
  color: var(--og-ink);
  font-size: 14px;
  word-break: break-all;
}
.page-contact .ct-channel--cyan .ct-channel__value { color: var(--og-cyan-lift); }
.page-contact .ct-channel--warm .ct-channel__value { color: var(--og-orange); }
.page-contact .ct-channel--violet .ct-channel__value { color: var(--og-violet-soft); }

/* ---------- 记录查询 ---------- */
.page-contact .ct-records {
  padding: clamp(34px, 6vw, 64px) 0;
  border-top: var(--ct-line);
}
.page-contact .ct-records__grid { align-items: start; }
.page-contact .ct-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}
.page-contact .ct-step {
  position: relative;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding-bottom: 22px;
}
.page-contact .ct-step:last-child { padding-bottom: 0; }
.page-contact .ct-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 36px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(180deg, var(--og-cyan), rgba(37, 230, 208, 0.05));
}
.page-contact .ct-step__num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(37, 230, 208, 0.5);
  border-radius: 50%;
  background: var(--og-void);
  color: var(--og-cyan);
  font-size: 12px;
}
.page-contact .ct-step__body h3 {
  margin: 4px 0 6px;
  font-size: 16.5px;
}
.page-contact .ct-step__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--og-ink-dim);
}
.page-contact .ct-records__figure {
  margin: 28px 0 0;
}
.page-contact .ct-records__figure .og-media__frame {
  border: var(--ct-line);
  border-radius: var(--og-radius);
  overflow: hidden;
  background: var(--og-panel);
}

/* ---------- 准备清单 ---------- */
.page-contact .ct-prepare {
  padding: clamp(34px, 6vw, 64px) 0;
  border-top: var(--ct-line);
}
.page-contact .ct-checklist {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .ct-check {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 16px 16px 18px;
  background: var(--og-panel);
  border: var(--ct-line);
  border-radius: 16px;
  cursor: pointer;
  transition: border-color var(--og-base) var(--og-ease), transform var(--og-fast) var(--og-ease);
}
.page-contact .ct-check:hover { border-color: rgba(37, 230, 208, 0.5); transform: translateY(-2px); }
.page-contact .ct-check input {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin: 2px 0 0;
  border: 1px solid var(--og-rule);
  border-radius: 7px;
  background: var(--og-void);
  transition: background var(--og-fast) var(--og-ease), border-color var(--og-fast) var(--og-ease);
}
.page-contact .ct-check input:checked {
  background: var(--og-cyan);
  border-color: var(--og-cyan);
}
.page-contact .ct-check input:checked::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 5px;
  height: 11px;
  border-right: 2px solid var(--og-deep);
  border-bottom: 2px solid var(--og-deep);
  transform: rotate(42deg);
}
.page-contact .ct-check input:focus-visible {
  outline: 2px solid var(--og-violet-soft);
  outline-offset: 2px;
}
.page-contact .ct-check__body { display: grid; gap: 5px; }
.page-contact .ct-check__body strong {
  font-size: 16px;
  font-weight: 700;
}
.page-contact .ct-check__body em {
  font-style: normal;
  font-size: 14px;
  line-height: 1.78;
  color: var(--og-ink-dim);
}

/* ---------- 服务地区 ---------- */
.page-contact .ct-region {
  padding: clamp(34px, 6vw, 64px) 0;
  border-top: var(--ct-line);
}
.page-contact .ct-region__grid { align-items: start; }
.page-contact .ct-support {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .ct-support li {
  display: grid;
  gap: 6px;
  padding-left: 14px;
  border-left: 2px solid var(--og-rule);
}
.page-contact .ct-support .og-mono {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--og-violet-soft);
}
.page-contact .ct-support p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--og-ink-soft);
}
.page-contact .ct-region__card {
  margin-top: 28px;
  color: var(--og-deep);
  border-radius: var(--og-radius-lg);
}
.page-contact .ct-region__card h3 {
  margin: 0 0 14px;
  font-size: 18px;
  color: var(--og-deep);
}
.page-contact .ct-region__lines {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .ct-region__card .og-contact-line {
  color: var(--og-deep);
  border-bottom: 1px dashed rgba(8, 12, 22, 0.24);
  padding-bottom: 8px;
}
.page-contact .ct-region__card .og-contact-line__val { color: var(--og-deep); }
.page-contact .ct-region__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(8, 12, 22, 0.72);
}

/* ---------- 咨询分类 ---------- */
.page-contact .ct-cats {
  padding: clamp(34px, 6vw, 64px) 0;
  border-top: var(--ct-line);
}
.page-contact .ct-tabs { margin-top: 24px; }
.page-contact .ct-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-contact .ct-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.page-contact .ct-tab {
  display: inline-block;
  padding: 10px 16px;
  border: var(--ct-line);
  border-radius: 999px;
  background: var(--og-void);
  color: var(--og-ink-dim);
  font-size: 14px;
  cursor: pointer;
  transition: color var(--og-fast) var(--og-ease), border-color var(--og-fast) var(--og-ease), background var(--og-fast) var(--og-ease);
}
.page-contact .ct-tab:hover { color: var(--og-ink); border-color: rgba(37, 230, 208, 0.5); }
.page-contact .ct-panels { display: grid; }
.page-contact .ct-panel {
  display: none;
  padding: 22px 20px;
  background: var(--og-glass);
  border: var(--ct-line);
  border-radius: var(--og-radius);
}
.page-contact .ct-panel h3 {
  margin: 0 0 10px;
  font-size: 18px;
}
.page-contact .ct-panel p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--og-ink-soft);
}
.page-contact .ct-panel__path {
  padding: 12px 14px;
  border-left: 3px solid var(--og-cyan);
  border-radius: 0 12px 12px 0;
  background: rgba(6, 10, 22, 0.55);
  color: var(--og-ink) !important;
  font-size: 14px !important;
}
.page-contact .ct-panel__path .og-mono {
  margin-right: 8px;
  color: var(--og-cyan);
  font-size: 12px;
  letter-spacing: 0.12em;
}
.page-contact #ct-cat-1:checked ~ .ct-tablist [for="ct-cat-1"],
.page-contact #ct-cat-2:checked ~ .ct-tablist [for="ct-cat-2"],
.page-contact #ct-cat-3:checked ~ .ct-tablist [for="ct-cat-3"],
.page-contact #ct-cat-4:checked ~ .ct-tablist [for="ct-cat-4"],
.page-contact #ct-cat-5:checked ~ .ct-tablist [for="ct-cat-5"] {
  color: var(--og-void);
  background: var(--og-cyan);
  border-color: var(--og-cyan);
  font-weight: 700;
}
.page-contact #ct-cat-1:focus-visible ~ .ct-tablist [for="ct-cat-1"],
.page-contact #ct-cat-2:focus-visible ~ .ct-tablist [for="ct-cat-2"],
.page-contact #ct-cat-3:focus-visible ~ .ct-tablist [for="ct-cat-3"],
.page-contact #ct-cat-4:focus-visible ~ .ct-tablist [for="ct-cat-4"],
.page-contact #ct-cat-5:focus-visible ~ .ct-tablist [for="ct-cat-5"] {
  outline: 2px solid var(--og-violet-soft);
  outline-offset: 2px;
}
.page-contact #ct-cat-1:checked ~ .ct-panels .ct-panel:nth-child(1),
.page-contact #ct-cat-2:checked ~ .ct-panels .ct-panel:nth-child(2),
.page-contact #ct-cat-3:checked ~ .ct-panels .ct-panel:nth-child(3),
.page-contact #ct-cat-4:checked ~ .ct-panels .ct-panel:nth-child(4),
.page-contact #ct-cat-5:checked ~ .ct-panels .ct-panel:nth-child(5) {
  display: block;
}
.page-contact .ct-rule-note {
  display: grid;
  gap: 10px;
  margin-top: 20px;
  padding: 18px 20px;
  border: 1px solid var(--og-orange);
  border-radius: 16px;
  background: rgba(255, 138, 61, 0.08);
}
.page-contact .ct-rule-note__tag {
  justify-self: start;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--og-orange);
  color: var(--og-void);
  font-size: 11.5px;
  letter-spacing: 0.14em;
}
.page-contact .ct-rule-note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--og-ink);
}

/* ---------- 协作 ---------- */
.page-contact .ct-collab {
  padding: clamp(34px, 6vw, 64px) 0 clamp(50px, 8vw, 88px);
  border-top: var(--ct-line);
}
.page-contact .ct-collab__grid { align-items: start; }
.page-contact .ct-collab__card {
  margin-top: 26px;
  padding: 24px 22px;
  border: var(--ct-line);
  border-radius: var(--og-radius);
  background:
    linear-gradient(160deg, rgba(142, 107, 255, 0.16), rgba(22, 34, 62, 0.9) 60%),
    var(--og-panel);
}
.page-contact .ct-collab__title {
  margin: 0 0 10px;
  font-size: 18px;
}
.page-contact .ct-collab__card p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--og-ink-soft);
}
.page-contact .ct-collab__mail {
  padding: 10px 12px;
  border: 1px dashed rgba(199, 156, 255, 0.6);
  border-radius: 12px;
  background: var(--og-void);
  color: var(--og-violet-soft);
  font-size: 14px;
  word-break: break-all;
}
.page-contact .ct-collab__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--og-rule);
  font-size: 13.5px;
  color: var(--og-ink-dim);
}

/* ---------- 桌面栅格与节奏 ---------- */
@media (min-width: 760px) {
  .page-contact .ct-channel-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-contact .ct-checklist { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-contact .ct-tablist { gap: 10px; }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__inner { grid-template-columns: minmax(0, 1fr); }
  .page-contact .ct-records__figure { margin-top: 0; }
  .page-contact .ct-region__card { margin-top: 0; }
  .page-contact .ct-collab__card { margin-top: 0; }
  .page-contact .ct-panel { padding: 28px 26px; }
  .page-contact .ct-support { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
}

@media (min-width: 1080px) {
  .page-contact .ct-channel { padding: 26px 24px 26px 30px; }
  .page-contact .ct-check { padding: 18px 20px 18px 22px; }
}
<<<END>>>