/* ============================================================
   联系我们 / page-contact
   页面专属样式，全部限定在 .page-contact 作用域内
   ============================================================ */

.page-contact {
  --ct-gap: clamp(16px, 2.4vw, 28px);
  --ct-pad: clamp(20px, 2.8vw, 34px);
  position: relative;
  background-color: var(--xt-ink);
  background-image:
    radial-gradient(820px 380px at 82% -6%, rgba(199, 255, 60, .07), transparent 64%),
    radial-gradient(640px 360px at 2% 38%, rgba(122, 127, 224, .08), transparent 68%),
    linear-gradient(rgba(192, 198, 194, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(192, 198, 194, .035) 1px, transparent 1px);
  background-size: auto, auto, 72px 72px, 72px 72px;
  background-repeat: no-repeat, no-repeat, repeat, repeat;
  background-position: center top, center top, center top, center top;
}

/* ---------------- 面包屑 ---------------- */
.page-contact .xt-breadcrumb {
  font-family: var(--xt-mono);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--xt-muted);
}

.page-contact .xt-breadcrumb a {
  color: var(--xt-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .26s var(--xt-ease), border-color .26s var(--xt-ease);
}

.page-contact .xt-breadcrumb a:hover,
.page-contact .xt-breadcrumb a:focus-visible {
  color: var(--xt-lime);
  border-bottom-color: var(--xt-lime);
}

/* ---------------- 首屏 ---------------- */
.page-contact .ct-hero {
  padding-top: clamp(26px, 4vw, 52px);
  padding-bottom: clamp(36px, 5.4vw, 68px);
  border-bottom: 1px solid var(--xt-line);
}

.page-contact .ct-hero__eyebrow {
  display: block;
  margin: clamp(28px, 5vw, 56px) 0 0;
  color: var(--xt-lime);
}

.page-contact .ct-hero h1 {
  margin: 16px 0 0;
  max-width: 20em;
  font-size: clamp(29px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.13;
  letter-spacing: -.022em;
  color: var(--xt-white);
}

.page-contact .ct-hero h1::after {
  content: "";
  display: block;
  width: 84px;
  height: 3px;
  margin-top: clamp(20px, 3vw, 28px);
  background: var(--xt-lime);
}

.page-contact .ct-hero__intro {
  max-width: 38em;
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--xt-silver);
}

/* ---------------- 渠道区 ---------------- */
.page-contact .ct-channels {
  padding-block: clamp(42px, 6vw, 86px);
}

.page-contact .ct-channels__head {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .ct-channels__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
}

.page-contact .ct-channels__side {
  display: grid;
  gap: var(--ct-gap);
}

@media (min-width: 900px) {
  .page-contact .ct-channels__layout {
    grid-template-columns: minmax(0, 2.05fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------------- 通用卡片 ---------------- */
.page-contact .ct-card {
  position: relative;
  background: var(--xt-charcoal);
  border: 1px solid var(--xt-line);
  border-radius: 2px;
  transition: border-color .28s var(--xt-ease), background-color .28s var(--xt-ease);
}

.page-contact .ct-card--mail {
  background: var(--xt-panel);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .ct-card--mail::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--xt-lime);
  z-index: 2;
}

.page-contact .ct-card--meta {
  background: var(--xt-panel);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-contact .ct-card__figure {
  margin: 0;
  aspect-ratio: 16 / 10;
  border-bottom: 1px solid var(--xt-line);
  overflow: hidden;
}

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

.page-contact .ct-card__body {
  padding: var(--ct-pad);
}

.page-contact .ct-card__eyebrow {
  display: block;
  margin: 0;
  color: var(--xt-muted);
}

.page-contact .ct-card__title {
  margin: 10px 0 0;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -.012em;
  color: var(--xt-white);
}

.page-contact .ct-card__mail {
  display: block;
  margin: 14px 0 0;
  font-family: var(--xt-mono);
  font-size: clamp(17px, 2.3vw, 27px);
  line-height: 1.3;
  letter-spacing: .005em;
  color: var(--xt-lime);
  overflow-wrap: anywhere;
}

.page-contact .ct-card__text {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--xt-silver);
}

.page-contact .ct-card__hint {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--xt-lime-dim);
  font-size: 14px;
  line-height: 1.72;
  color: var(--xt-muted);
}

/* ---------------- 等宽行数据 ---------------- */
.page-contact .ct-line {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--xt-line);
}

.page-contact .ct-line__no {
  flex: none;
  font-family: var(--xt-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--xt-muted);
}

.page-contact .ct-line__val {
  font-family: var(--xt-mono);
  font-size: 15px;
  line-height: 1.62;
  letter-spacing: .015em;
  color: var(--xt-white);
  overflow-wrap: anywhere;
}

/* ---------------- 准备清单 ---------------- */
.page-contact .ct-prep {
  padding-block: clamp(42px, 6vw, 86px);
}

.page-contact .ct-prep__head {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .ct-prep__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
}

.page-contact .ct-prep__card {
  padding: var(--ct-pad);
  background: var(--xt-panel);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.page-contact .ct-prep__card:hover {
  border-color: var(--xt-lime);
  background: #1b2d22;
}

.page-contact .ct-prep__no {
  display: block;
  margin: 0;
  color: var(--xt-lime);
}

.page-contact .ct-prep__card .ct-card__title {
  margin-top: 12px;
}

.page-contact .ct-prep__card .ct-card__text {
  margin-top: 12px;
}

@media (min-width: 900px) {
  .page-contact .ct-prep__row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: clamp(18px, 2.6vw, 32px);
  }

  .page-contact .ct-prep__card--a {
    min-height: 272px;
    margin-top: 0;
  }

  .page-contact .ct-prep__card--b {
    min-height: 236px;
    margin-top: 32px;
  }

  .page-contact .ct-prep__card--c {
    min-height: 200px;
    margin-top: 64px;
  }
}

/* ---------------- 合作与内容共建 ---------------- */
.page-contact .ct-collab {
  padding-block: clamp(42px, 6vw, 86px);
}

.page-contact .ct-collab__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-contact .ct-collab__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }
}

.page-contact .ct-collab__text {
  min-width: 0;
}

.page-contact .ct-collab__eyebrow {
  display: block;
  margin: 0 0 14px;
  color: var(--xt-lime);
}

.page-contact .ct-prose {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--xt-silver);
}

.page-contact .ct-collab__list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-contact .ct-collab__list li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 15px 0;
  border-top: 1px solid var(--xt-line);
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--xt-silver);
}

.page-contact .ct-collab__list li:last-child {
  border-bottom: 1px solid var(--xt-line);
}

.page-contact .ct-collab__no {
  font-family: var(--xt-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--xt-lime);
}

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

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

/* ---------------- 常见咨询分流 ---------------- */
.page-contact .ct-links-section {
  padding-block: clamp(42px, 6vw, 86px);
}

.page-contact .ct-links__head {
  margin-bottom: clamp(26px, 3.6vw, 44px);
}

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

.page-contact .ct-links__item {
  border-bottom: 1px solid var(--xt-line);
  transition: background-color .28s var(--xt-ease);
}

.page-contact .ct-links__item:hover {
  background: var(--xt-lime-soft);
}

.page-contact .ct-links__link {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-areas:
    "no label"
    "no hint";
  column-gap: 16px;
  row-gap: 6px;
  padding: 19px 2px;
  color: inherit;
  text-decoration: none;
}

.page-contact .ct-links__no {
  grid-area: no;
  padding-top: 3px;
  font-family: var(--xt-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--xt-muted);
}

.page-contact .ct-links__label {
  grid-area: label;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -.006em;
  color: var(--xt-white);
  transition: color .28s var(--xt-ease);
}

.page-contact .ct-links__hint {
  grid-area: hint;
  font-size: 14px;
  line-height: 1.7;
  color: var(--xt-muted);
  transition: color .28s var(--xt-ease);
}

.page-contact .ct-links__go {
  display: none;
}

@media (min-width: 900px) {
  .page-contact .ct-links__link {
    grid-template-columns: 58px minmax(0, 1fr) auto;
    grid-template-areas:
      "no label go"
      "no hint  go";
    align-items: center;
    padding: 22px 8px;
  }

  .page-contact .ct-links__go {
    grid-area: go;
    display: block;
    align-self: center;
    font-family: var(--xt-mono);
    font-size: 12px;
    letter-spacing: .08em;
    white-space: nowrap;
    color: var(--xt-muted);
    opacity: 0;
    transition: opacity .28s var(--xt-ease), color .28s var(--xt-ease);
  }

  .page-contact .ct-links__item:hover .ct-links__go,
  .page-contact .ct-links__link:focus-visible .ct-links__go {
    opacity: 1;
    color: var(--xt-lime);
  }

  .page-contact .ct-links__item:hover .ct-links__label {
    color: var(--xt-lime);
  }

  .page-contact .ct-links__item:hover .ct-links__hint {
    color: var(--xt-silver);
  }
}

/* ---------------- 页尾刻度带 ---------------- */
.page-contact .ct-footline {
  padding-top: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(38px, 6vw, 76px);
}

.page-contact .ct-footline__ticks {
  height: 12px;
  margin-bottom: clamp(14px, 2vw, 22px);
  background-image: repeating-linear-gradient(
    90deg,
    var(--xt-line-strong) 0 1px,
    transparent 1px 14px
  );
  opacity: .7;
}

.page-contact .ct-footline__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  font-family: var(--xt-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-contact .ct-footline__label {
  color: var(--xt-muted);
}

.page-contact .ct-footline__link {
  color: var(--xt-silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .26s var(--xt-ease), border-color .26s var(--xt-ease);
}

.page-contact .ct-footline__link:hover,
.page-contact .ct-footline__link:focus-visible {
  color: var(--xt-lime);
  border-bottom-color: var(--xt-lime);
}

.page-contact .ct-footline__slash {
  color: var(--xt-line-strong);
}

/* ---------------- 兜底：窄屏不横向溢出 ---------------- */
@media (max-width: 640px) {
  .page-contact .ct-card__body {
    padding: 20px;
  }

  .page-contact .ct-line {
    flex-wrap: wrap;
    gap: 6px 10px;
  }

  .page-contact .ct-collab__list li {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }
}