.page-contact {
  --ct-panel: rgba(18, 60, 94, 0.52);
  --ct-line: rgba(217, 169, 78, 0.28);
  --ct-line-soft: rgba(127, 143, 166, 0.22);
  --ct-shadow: 0 24px 60px rgba(2, 9, 15, 0.72);
  display: block;
  background:
    radial-gradient(120% 70% at 82% 4%, rgba(23, 226, 180, 0.07), transparent 58%),
    radial-gradient(90% 60% at 6% 22%, rgba(217, 169, 78, 0.08), transparent 60%),
    var(--abyss);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(2rem, 5vw, 3.5rem);
}

.page-contact .ct-hero__inner {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(1.5rem, 4vw, 2.75rem);
}

.page-contact .ct-hero__title h1 {
  margin: 0.6rem 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.3rem, 8vw, 5.25rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--cloud);
  text-wrap: balance;
}

.page-contact .ct-hero__aside {
  border-left: 1px solid var(--ct-line);
  padding-left: clamp(1rem, 3vw, 1.75rem);
}

.page-contact .ct-hero__note {
  margin: 1.25rem 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--copper);
}

.page-contact .ct-hero__note .mono {
  color: var(--gold-soft);
  font-size: var(--fs-16);
}

/* ---------- 章节头 ---------- */
.page-contact .ct-head {
  position: relative;
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .ct-head--onpad {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-contact .ct-head__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(3.5rem, 11vw, 7rem);
  line-height: 0.85;
  letter-spacing: 0.04em;
  color: rgba(217, 169, 78, 0.22);
}

.page-contact .ct-head__title {
  margin: -0.45em 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.6rem, 5vw, 2.75rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--cloud);
}

.page-contact .ct-head__sub {
  margin: 0.85rem 0 0;
  max-width: 34em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--copper);
}

/* ---------- 图片框 ---------- */
.page-contact .ct-media {
  margin: 0 0 clamp(1.75rem, 4vw, 2.75rem);
  border: var(--hairline);
  background: var(--deep);
  box-shadow: var(--ct-shadow);
  overflow: hidden;
}

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

.page-contact .ct-media figcaption {
  padding: 0.75rem clamp(0.9rem, 2vw, 1.4rem);
  border-top: var(--ct-line-soft) solid;
  border-top-width: 1px;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--copper);
  background: rgba(2, 9, 15, 0.5);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .ct-channel-grid {
  display: grid;
  gap: var(--gap);
}

.page-contact .ct-channel {
  padding: clamp(1.5rem, 3.5vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.page-contact .ct-channel__kind {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-contact .ct-channel__value {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.15rem, 3.4vw, 1.6rem);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--cloud);
  word-break: break-word;
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--copper);
}

.page-contact .ct-channel__tag {
  margin: auto 0 0;
  padding-top: 0.5rem;
}

.page-contact .ct-channel--phone {
  background:
    linear-gradient(160deg, rgba(217, 169, 78, 0.16), transparent 62%),
    var(--ct-panel);
  border-color: rgba(217, 169, 78, 0.75);
}

.page-contact .ct-channel--phone .ct-channel__value {
  color: var(--gold-soft);
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.06em;
}

/* ---------- 准备清单 ---------- */
.page-contact .ct-prepare__panel {
  border: var(--hairline);
  background:
    linear-gradient(180deg, rgba(11, 42, 69, 0.85), rgba(2, 9, 15, 0.6)),
    var(--deep);
  box-shadow: var(--ct-shadow);
  padding: clamp(1.5rem, 5vw, 3.5rem);
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.page-contact .ct-checklist__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(0.9rem, 2.4vw, 1.5rem);
  padding-top: clamp(1rem, 2.5vw, 1.5rem);
  border-top: 1px solid var(--ct-line-soft);
}

.page-contact .ct-checklist__item:first-child {
  border-top: none;
  padding-top: 0;
}

.page-contact .ct-checklist__idx {
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--aqua);
}

.page-contact .ct-checklist__t {
  margin: 0 0 0.4rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: var(--fs-20);
  line-height: 1.4;
  color: var(--cloud);
}

.page-contact .ct-checklist__d {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.95;
  color: var(--copper);
}

/* ---------- 常见问题类型 ---------- */
.page-contact .ct-topic-grid {
  display: grid;
  gap: var(--gap);
}

.page-contact .ct-topic {
  border: 1px solid var(--ct-line-soft);
  border-left: 3px solid var(--gold);
  background: rgba(11, 42, 69, 0.5);
  padding: clamp(1.25rem, 3vw, 1.85rem);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .ct-topic__idx {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-contact .ct-topic__t {
  margin: 0.6rem 0 0.65rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.15rem, 3.2vw, 1.45rem);
  line-height: 1.42;
  color: var(--cloud);
}

.page-contact .ct-topic__d {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.95;
  color: var(--copper);
}

.page-contact .ct-topic:hover,
.page-contact .ct-topic:focus-within {
  transform: translateY(-4px);
  border-color: var(--gold);
}

/* ---------- 自助入口 ---------- */
.page-contact .ct-selfserve__inner {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .ct-selfserve__title {
  margin: 0.55rem 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.35rem);
  line-height: 1.22;
  color: var(--cloud);
}

.page-contact .ct-selfserve__d {
  margin: 1rem 0 0;
  max-width: 36em;
  font-size: var(--fs-16);
  line-height: 1.95;
  color: var(--copper);
}

.page-contact .ct-selfserve__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.6rem;
}

.page-contact .ct-selfserve__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ct-line);
}

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

.page-contact .ct-selfserve__list a {
  display: block;
  padding: 1rem 0.25rem;
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--cloud);
  text-decoration: none;
  transition: color 180ms var(--ease), padding-left 180ms var(--ease);
}

.page-contact .ct-selfserve__list a:hover,
.page-contact .ct-selfserve__list a:focus-visible {
  color: var(--aqua);
  padding-left: 0.85rem;
}

/* ---------- 响应节奏 ---------- */
.page-contact .ct-rhythm__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .ct-rhythm__bars {
  display: grid;
  gap: 1.1rem;
}

.page-contact .ct-bar {
  display: grid;
  grid-template-columns: 5.5em 1fr auto;
  align-items: center;
  gap: 0.75rem;
}

.page-contact .ct-bar__k {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--copper);
}

.page-contact .ct-bar__track {
  position: relative;
  height: 8px;
  background: rgba(127, 143, 166, 0.2);
  overflow: hidden;
}

.page-contact .ct-bar__fill {
  position: absolute;
  inset: 0 auto 0 0;
  display: block;
}

.page-contact .ct-bar__fill--main {
  width: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
}

.page-contact .ct-bar__fill--fast {
  width: 42%;
  background: linear-gradient(90deg, var(--aqua), rgba(23, 226, 180, 0.35));
}

.page-contact .ct-bar__fill--slow {
  width: 74%;
  background: linear-gradient(90deg, var(--orange), rgba(255, 122, 69, 0.35));
}

.page-contact .ct-bar__v {
  font-size: var(--fs-12);
  color: var(--cloud);
  white-space: nowrap;
}

.page-contact .ct-rhythm__note {
  margin: 0.9rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--ct-line-soft);
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--copper);
}

.page-contact .ct-media--side {
  margin: 0;
}

/* ---------- 备案收口 ---------- */
.page-contact .ct-legal {
  padding-bottom: clamp(3rem, 8vw, 5.5rem);
}

.page-contact .ct-legal__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-legal__k {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--copper);
}

.page-contact .ct-legal__v {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  letter-spacing: 0.06em;
  color: var(--gold-soft);
}

.page-contact .ct-legal__note {
  margin: 1.1rem 0 0;
  max-width: 40em;
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--copper);
}

/* ---------- 桌面端栅格 ---------- */
@media (min-width: 900px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: repeat(12, 1fr);
    align-items: end;
  }

  .page-contact .ct-hero__title {
    grid-column: 1 / 8;
  }

  .page-contact .ct-hero__aside {
    grid-column: 8 / 13;
  }

  .page-contact .ct-head {
    display: grid;
    grid-template-columns: 5.5rem 1fr;
    grid-template-rows: auto auto;
    column-gap: clamp(1rem, 2.5vw, 2rem);
    align-items: start;
  }

  .page-contact .ct-head__num {
    grid-row: 1 / 3;
    font-size: var(--fs-72);
    padding-top: 0.15em;
  }

  .page-contact .ct-head__title {
    margin-top: 0;
    grid-column: 2;
  }

  .page-contact .ct-head__sub {
    grid-column: 2;
  }

  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(12, 1fr);
    align-items: start;
  }

  .page-contact .ct-channel:nth-child(1) {
    grid-column: 1 / 6;
  }

  .page-contact .ct-channel:nth-child(2) {
    grid-column: 6 / 13;
    margin-top: 3.5rem;
  }

  .page-contact .ct-channel:nth-child(3) {
    grid-column: 3 / 10;
    margin-top: 1.25rem;
  }

  .page-contact .ct-topic-grid {
    grid-template-columns: repeat(12, 1fr);
    align-items: start;
  }

  .page-contact .ct-topic--wide:first-child {
    grid-column: 1 / 8;
  }

  .page-contact .ct-topic:nth-child(2) {
    grid-column: 8 / 13;
    margin-top: 2.75rem;
  }

  .page-contact .ct-topic:nth-child(3) {
    grid-column: 1 / 6;
  }

  .page-contact .ct-topic--wide:last-child {
    grid-column: 6 / 13;
    margin-top: 2rem;
  }

  .page-contact .ct-selfserve__inner {
    grid-template-columns: 7fr 4fr;
    column-gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-contact .ct-rhythm__grid {
    grid-template-columns: 6fr 5fr;
    align-items: start;
  }
}

@media (min-width: 1240px) {
  .page-contact .ct-hero__title {
    grid-column: 1 / 7;
  }
}

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

  .page-contact .ct-topic:hover,
  .page-contact .ct-topic:focus-within {
    transform: none;
  }
}