.page-contact {
  --ct-gap: 24px;
  --ct-radius: 3px;
  --ct-ultra-mail: clamp(17px, 3.5vw, 38px);
  --ct-ultra-tel: clamp(24px, 5vw, 52px);
  --ct-addr: clamp(18px, 2.2vw, 26px);
  padding-bottom: 96px;
}

.page-contact .ct-hero {
  padding: 40px 0 38px;
  max-width: 900px;
}

.page-contact .ct-hero__title {
  margin: 16px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.6vw, 66px);
  line-height: 1.05;
  letter-spacing: -0.012em;
  color: var(--ink);
}

.page-contact .ct-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 联系信息台 ---------- */
.page-contact .ct-desk {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
}

.page-contact .ct-desk__main {
  position: relative;
  overflow: hidden;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--ct-radius);
  padding: clamp(22px, 3.2vw, 40px);
}

.page-contact .ct-desk__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-contact .ct-desk__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
}

.page-contact .ct-desk__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(165deg, rgba(10, 17, 32, .5) 0%, rgba(10, 17, 32, .94) 78%);
}

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

.page-contact .ct-channels {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .ct-channel {
  display: grid;
  gap: 8px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-channel:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .ct-channel__key {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .ct-channel__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.page-contact .ct-channel__val {
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: .01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel--mail .ct-channel__val {
  font-size: var(--ct-ultra-mail);
}

.page-contact .ct-channel--tel .ct-channel__val {
  font-size: var(--ct-ultra-tel);
  color: var(--red-soft);
}

.page-contact .ct-channel__addr {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--ct-addr);
  line-height: 1.5;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__use {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应时段 ---------- */
.page-contact .ct-hours {
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--ct-radius);
}

.page-contact .ct-hours__big {
  margin: 14px 0 20px;
  font-size: clamp(21px, 3.2vw, 30px);
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink);
}

.page-contact .ct-hours__big span {
  margin: 0 .28em;
  color: var(--cyan);
}

.page-contact .ct-hours__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-hours__list li {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .ct-hours__dot {
  margin-top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 242, 208, .14);
}

/* ---------- 处理流程 ---------- */
.page-contact .ct-flow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

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

.page-contact .ct-step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-contact .ct-step__no {
  grid-row: 1 / span 2;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--red);
  line-height: 1.3;
}

.page-contact .ct-step__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-contact .ct-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .ct-flow__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--ct-radius);
}

/* ---------- 主题清单 ---------- */
.page-contact .ct-filterwrap {
  margin: 24px 0 26px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-contact .ct-filterwrap .filter {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  min-width: max-content;
  padding-bottom: 4px;
}

.page-contact .ct-topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .ct-topic {
  display: grid;
  gap: 10px;
  padding: 24px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--ct-radius);
  backdrop-filter: blur(6px);
}

.page-contact .ct-topic__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.28;
  color: var(--ink);
}

.page-contact .ct-topic__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .ct-topic__label {
  margin: 6px 0 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-contact .ct-topic__need {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .ct-topic__need li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
}

.page-contact .ct-topic__need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 1px;
  background: var(--red);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-partner__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .ct-partner__item {
  padding: 26px 24px 28px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--red);
  border-radius: var(--ct-radius);
}

.page-contact .ct-partner__title {
  margin: 16px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.5vw, 25px);
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .ct-partner__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 相关入口 ---------- */
.page-contact .ct-help {
  margin-top: 72px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-help__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 30px);
  color: var(--ink);
}

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

.page-contact .ct-help__link {
  display: block;
  padding: 16px 4px;
  border-top: 1px solid var(--line-soft);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  transition: color .22s var(--ease), padding-left .22s var(--ease);
}

.page-contact .ct-help__list li:first-child .ct-help__link {
  border-top: 0;
}

.page-contact .ct-help__link:hover,
.page-contact .ct-help__link:focus-visible {
  color: var(--red-soft);
  padding-left: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-topic-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-contact {
    --ct-gap: 28px;
    padding-bottom: 128px;
  }

  .page-contact .ct-desk {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-flow__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-contact .ct-flow__media {
    position: sticky;
    top: 32px;
  }

  .page-contact .ct-help__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-contact .ct-help__list li:nth-child(2) .ct-help__link {
    border-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-help__link {
    transition: none;
  }
}
</>