.page-contact {
  --ct-panel: rgba(11, 16, 38, 0.72);
  --ct-panel-soft: rgba(11, 16, 38, 0.5);
  --ct-hair: rgba(154, 143, 192, 0.26);
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(120% 78% at 84% 0%, rgba(108, 74, 182, 0.30) 0%, rgba(5, 7, 15, 0) 58%),
    radial-gradient(88% 58% at 6% 10%, rgba(232, 111, 168, 0.13) 0%, rgba(5, 7, 15, 0) 62%),
    var(--gx-void);
  color: var(--gx-star);
  font-family: var(--gx-font-sans);
}

/* ---------- 首屏 ---------- */
.ct-hero {
  position: relative;
  padding-top: calc(var(--gx-header-h) + 2.6rem);
}

.ct-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.2rem;
  padding-bottom: 3rem;
}

.ct-hero__arc {
  position: absolute;
  top: -46vw;
  right: -52vw;
  width: 108vw;
  height: 108vw;
  border: 1px solid rgba(108, 74, 182, 0.45);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.ct-hero__arc::after {
  content: "";
  position: absolute;
  inset: 9%;
  border: 1px solid rgba(79, 209, 224, 0.16);
  border-radius: 50%;
}

.ct-hero__rail {
  display: none;
  order: 0;
}

.ct-hero__main,
.ct-hero__side {
  position: relative;
  z-index: 1;
}

.ct-hero__title {
  margin: 0.35rem 0 1.1rem;
  color: var(--gx-star);
  text-shadow: 0 0 38px rgba(108, 74, 182, 0.6);
}

.ct-hero__lede {
  max-width: 46rem;
  color: rgba(242, 244, 255, 0.82);
}

.ct-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.55rem;
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
}

.ct-jump__link {
  display: inline-block;
  padding: 0.42rem 0.8rem;
  border: 1px solid var(--ct-hair);
  border-radius: var(--gx-radius);
  font-family: var(--gx-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--gx-mute);
  text-decoration: none;
  transition: color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.ct-jump__link:hover,
.ct-jump__link:focus-visible,
.ct-jump__link.is-active {
  color: var(--gx-star);
  border-color: var(--gx-pink);
  box-shadow: 0 0 18px rgba(232, 111, 168, 0.32);
}

.ct-hero__side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.2rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--ct-hair);
}

.ct-stat__num {
  display: block;
  font-family: var(--gx-font-mono);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--gx-cyan);
}

.ct-stat__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--gx-mute);
}

/* ---------- 章节通用 ---------- */
.ct-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
  margin-bottom: 2.2rem;
}

.ct-head__idx {
  display: inline-block;
  width: 3.2rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--gx-pink);
  font-family: var(--gx-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--gx-pink);
}

.ct-head__body .gx-title {
  margin: 0 0 0.7rem;
}

.ct-section {
  position: relative;
}

/* ---------- 联系渠道 ---------- */
.ct-contacts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
}

.ct-card {
  position: relative;
  padding: 1.7rem 1.4rem 1.5rem;
  border: 1px solid var(--ct-hair);
  border-radius: var(--gx-radius);
  background: var(--ct-panel);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.ct-card:hover {
  transform: translateY(-4px);
  border-color: rgba(79, 209, 224, 0.5);
  box-shadow: var(--gx-shadow);
}

.ct-card--paper {
  border-color: rgba(34, 26, 20, 0.18);
  background: var(--gx-paper);
  color: var(--gx-ink);
}

.ct-card--paper:hover {
  border-color: rgba(108, 74, 182, 0.55);
  box-shadow: 0 24px 48px -32px rgba(108, 74, 182, 0.95);
}

.ct-card--mail {
  overflow: hidden;
}

.ct-card--mail::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gx-violet), var(--gx-pink), var(--gx-gold));
}

.ct-card__tag {
  margin: 0 0 0.9rem;
  font-family: var(--gx-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: #8a4d1f;
}

.ct-card__title {
  margin: 0 0 0.7rem;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gx-ink);
}

.ct-card__value {
  display: block;
  font-family: var(--gx-font-mono);
  font-size: 1.02rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: #4a2f7a;
  text-decoration: none;
  word-break: break-word;
  transition: color 0.25s ease;
}

.ct-card__value:hover,
.ct-card__value:focus-visible {
  color: #b0327a;
}

.ct-card__value--lg {
  font-size: 1.22rem;
}

.ct-card__value--address {
  font-family: var(--gx-font-sans);
  font-size: 0.98rem;
  color: var(--gx-ink);
}

.ct-card__note {
  margin: 0.9rem 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(34, 26, 20, 0.72);
}

.ct-list {
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(34, 26, 20, 0.16);
}

.ct-list li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.1rem;
  font-size: 0.85rem;
  color: rgba(34, 26, 20, 0.82);
  border-bottom: 1px solid rgba(34, 26, 20, 0.1);
}

.ct-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1rem;
  width: 6px;
  height: 1px;
  background: var(--gx-violet);
}

.ct-card__btn {
  margin-top: 1.3rem;
}

.ct-channels__media {
  margin: 2.4rem 0 0;
  border: 1px solid var(--ct-hair);
  border-radius: var(--gx-radius);
  overflow: hidden;
  background: var(--gx-deep);
}

.ct-channels__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 服务时间与范围 ---------- */
.ct-scope {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
}

.ct-scope__lead .gx-title {
  margin: 0.9rem 0 0.7rem;
}

.ct-table {
  border-bottom: 1px solid var(--ct-hair);
}

.ct-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--ct-hair);
}

.ct-row--head {
  font-family: var(--gx-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--gx-mute);
}

.ct-row__key {
  font-family: var(--gx-font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--gx-cyan);
}

.ct-row__text {
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(242, 244, 255, 0.9);
}

.ct-row__meta {
  font-size: 0.82rem;
  color: var(--gx-mute);
}

/* ---------- 企业客户优先路径 ---------- */
.ct-enterprise {
  border-top: 1px solid var(--ct-hair);
  border-bottom: 1px solid var(--ct-hair);
  background: linear-gradient(180deg, rgba(11, 16, 38, 0.92), rgba(5, 7, 15, 0.92));
}

.ct-enterprise__panel {
  padding: 2rem 1.4rem;
  border-radius: var(--gx-radius);
  background: var(--gx-paper);
  color: var(--gx-ink);
}

.ct-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ct-step {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid rgba(34, 26, 20, 0.16);
}

.ct-step:first-child {
  padding-top: 0;
}

.ct-step:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.ct-step__num {
  font-family: var(--gx-font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: #9a4a20;
}

.ct-step__title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gx-ink);
}

.ct-step__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: rgba(34, 26, 20, 0.78);
}

.ct-inline {
  color: #4a2f7a;
  text-decoration: underline;
  text-decoration-color: rgba(74, 47, 122, 0.4);
  text-underline-offset: 3px;
}

.ct-inline:hover,
.ct-inline:focus-visible {
  color: #b0327a;
  text-decoration-color: currentColor;
}

.ct-enterprise__media {
  margin: 2.4rem 0 0;
  border: 1px solid var(--ct-hair);
  border-radius: var(--gx-radius);
  overflow: hidden;
  background: var(--gx-void);
}

.ct-enterprise__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 合作与反馈 ---------- */
.ct-topics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.ct-topic {
  padding: 1.3rem 1.2rem;
  border: 1px solid var(--ct-hair);
  border-radius: var(--gx-radius);
  background: var(--ct-panel-soft);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.ct-topic:hover {
  transform: translateY(-3px);
  border-color: rgba(242, 183, 94, 0.55);
  box-shadow: var(--gx-shadow);
}

.ct-topic__code {
  margin: 0;
  font-family: var(--gx-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--gx-gold);
}

.ct-topic__title {
  margin: 0.7rem 0 0;
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gx-star);
}

.ct-topic__line {
  margin: 0.9rem 0 0;
  padding: 0.55rem 0.7rem;
  border-left: 2px solid var(--gx-cyan);
  background: rgba(79, 209, 224, 0.09);
  font-family: var(--gx-font-mono);
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--gx-star);
}

.ct-feedback__foot {
  margin: 2rem 0 0;
  max-width: 52rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--ct-hair);
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(242, 244, 255, 0.8);
}

/* ---------- 延伸入口 ---------- */
.ct-more__title {
  margin: 0 0 1.4rem;
}

.ct-more__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--ct-hair);
}

.ct-more__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--ct-hair);
}

.ct-more__link {
  font-size: 0.98rem;
  letter-spacing: 0.08em;
  color: var(--gx-star);
  text-decoration: none;
  transition: color 0.25s ease;
}

.ct-more__link:hover,
.ct-more__link:focus-visible {
  color: var(--gx-pink);
}

.ct-more__desc {
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--gx-mute);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .ct-hero {
    padding-top: calc(var(--gx-header-h) + 3.6rem);
  }

  .ct-head {
    grid-template-columns: 3.6rem minmax(0, 1fr);
    gap: 1.4rem;
    align-items: start;
    margin-bottom: 2.6rem;
  }

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

  .ct-card--mail {
    grid-column: 1 / -1;
  }

  .ct-row {
    flex-direction: row;
    align-items: baseline;
    gap: 1.4rem;
  }

  .ct-row__key {
    flex: 0 0 6.5rem;
  }

  .ct-row__text {
    flex: 1 1 auto;
  }

  .ct-row__meta {
    flex: 0 0 12rem;
    text-align: right;
  }

  .ct-row--head .ct-row__key {
    flex: 0 0 6.5rem;
  }

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

  .ct-more__item {
    grid-template-columns: 12rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1.6rem;
  }
}

@media (min-width: 980px) {
  .ct-hero__inner {
    grid-template-columns: 3.4rem minmax(0, 1fr) 15rem;
    column-gap: 2.6rem;
    align-items: start;
    padding-bottom: 4.5rem;
  }

  .ct-hero__rail {
    display: block;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    margin-top: 0.6rem;
  }

  .ct-hero__main {
    grid-column: 2;
  }

  .ct-hero__side {
    grid-column: 3;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.6rem;
    padding-top: 0;
    padding-left: 1.4rem;
    border-top: 0;
    border-left: 1px solid var(--ct-hair);
  }

  .ct-hero__arc {
    top: -34rem;
    right: -30rem;
    width: 62rem;
    height: 62rem;
  }

  .ct-scope {
    grid-template-columns: 19rem minmax(0, 1fr);
    gap: 3.4rem;
  }

  .ct-contacts {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr) minmax(0, 1fr);
  }

  .ct-card--mail {
    grid-column: auto;
  }

  .ct-enterprise__panel {
    padding: 3rem 2.6rem;
  }

  .ct-step {
    grid-template-columns: 3.4rem minmax(0, 1fr);
    gap: 1.4rem;
    padding: 1.7rem 0;
  }

  .ct-step__body {
    display: grid;
    grid-template-columns: 16rem minmax(0, 1fr);
    gap: 1.6rem;
    align-items: baseline;
  }

  .ct-step__title {
    margin-bottom: 0;
  }

  .ct-channels__media,
  .ct-enterprise__media {
    margin-top: 3rem;
  }

  .ct-topics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .ct-hero__title {
    letter-spacing: 0.14em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ct-card,
  .ct-topic,
  .ct-more__link {
    transition: none;
  }

  .ct-card:hover,
  .ct-topic:hover {
    transform: none;
  }
}
</main>