/* ============ 联系我们 ============ */
.page-contact {
  --ct-gap: clamp(16px, 3vw, 30px);
  --ct-sec-pad: clamp(46px, 7vw, 82px);
  --ct-grid-line: rgba(46, 58, 80, .5);
  background: var(--ink);
  color: var(--text);
  padding-bottom: clamp(56px, 8vw, 100px);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--ink);
}

.page-contact .ct-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .ct-hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
  opacity: .5;
  filter: saturate(.72) contrast(1.05);
}

.page-contact .ct-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, var(--ink) 4%, rgba(10, 15, 30, .82) 46%, rgba(10, 15, 30, .34) 100%),
    linear-gradient(180deg, rgba(10, 15, 30, .5) 0%, var(--ink) 96%);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--ct-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ct-grid-line) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: .5;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 78%);
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(26px, 4vw, 46px);
  padding-bottom: clamp(46px, 8vw, 96px);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
  margin-top: clamp(26px, 5vw, 54px);
}

.page-contact .ct-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-contact .ct-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--text);
  max-width: 18ch;
}

.page-contact .ct-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .ct-hero__aside {
  align-self: start;
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: rgba(18, 24, 38, .82);
  box-shadow: var(--shadow-plate);
}

.page-contact .ct-hero__aside-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--muted);
}

.page-contact .ct-hero__aside-value {
  margin: 10px 0 4px;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 32px);
  letter-spacing: -.01em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-hero__aside-note {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .ct-hero__aside-list {
  margin: 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 9px;
}

.page-contact .ct-hero__aside-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .ct-hero__aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 7px;
  height: 7px;
  background: var(--accent);
}

/* ---------- 章节公共头 ---------- */
.page-contact .ct-section {
  padding-top: var(--ct-sec-pad);
}

.page-contact .ct-sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  align-items: start;
  padding-bottom: 18px;
  margin-bottom: clamp(22px, 3vw, 36px);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-sec-head__no {
  grid-row: 1 / span 2;
  font-family: var(--font-head);
  font-size: clamp(40px, 7vw, 82px);
  line-height: .82;
  letter-spacing: -.04em;
  color: rgba(43, 232, 176, .26);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-sec-head__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.6vw, 36px);
  font-weight: 700;
  letter-spacing: -.015em;
  line-height: 1.16;
  color: var(--text);
}

.page-contact .ct-sec-head__sub {
  grid-column: 2;
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 01 三条通道 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-channels__stack {
  display: grid;
  gap: 18px;
}

.page-contact .ct-channel {
  position: relative;
  padding: 24px 22px 22px;
  padding-right: clamp(22px, 6vw, 96px);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-plate);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-contact .ct-channel:hover {
  border-color: var(--accent-deep);
  transform: translateX(3px);
}

.page-contact .ct-channel__corner {
  position: absolute;
  top: 0;
  right: 0;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent);
  background: var(--panel-alt);
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-channel__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .ct-channel__body {
  margin: 0 0 16px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .ct-tagrow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-channels__figure {
  margin: 0;
}

/* ---------- 02 联系方式 ---------- */
.page-contact .ct-contact-list {
  display: grid;
  gap: 18px;
}

.page-contact .ct-contact-card {
  position: relative;
  padding: 26px 22px 24px;
  border: 1px solid var(--line);
  background: var(--panel-alt);
  box-shadow: var(--shadow-plate);
}

.page-contact .ct-contact-card__corner {
  display: inline-block;
  margin-bottom: 16px;
  padding: 4px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent);
  border: 1px solid var(--accent-deep);
}

.page-contact .ct-contact-card__key {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--muted);
}

.page-contact .ct-contact-card__val {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.7vw, 17px);
  line-height: 1.5;
  word-break: break-word;
  color: var(--text);
}

.page-contact .ct-contact-card__use {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .ct-coord {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  margin-top: 18px;
  max-width: 132px;
}

.page-contact .ct-coord__cell {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  background: rgba(46, 58, 80, .22);
}

.page-contact .ct-coord__cell--hot {
  background: var(--accent);
  border-color: var(--accent);
}

.page-contact .ct-note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .ct-note a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 03 回复时间 ---------- */
.page-contact .ct-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  counter-reset: ct-line;
}

.page-contact .ct-timeline__item {
  display: grid;
  gap: 12px;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-plate);
}

.page-contact .ct-timeline__rank {
  justify-self: start;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ink);
  background: var(--accent);
}

.page-contact .ct-timeline__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.2vw, 23px);
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .ct-timeline__body p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 04 提问准备 ---------- */
.page-contact .ct-prep {
  position: relative;
}

.page-contact .ct-prep__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .ct-prep__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-contact .ct-prep__tab {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--muted);
  background: var(--panel-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .ct-prep__tab:hover {
  color: var(--text);
  border-color: var(--accent-deep);
}

.page-contact #ct-prep-a:checked ~ .ct-prep__tabs .ct-prep__tab[for="ct-prep-a"],
.page-contact #ct-prep-b:checked ~ .ct-prep__tabs .ct-prep__tab[for="ct-prep-b"],
.page-contact #ct-prep-c:checked ~ .ct-prep__tabs .ct-prep__tab[for="ct-prep-c"] {
  color: var(--ink);
  background: var(--accent);
  border-color: var(--accent);
}

.page-contact .ct-prep__panel {
  display: none;
  padding: 24px 22px 22px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-plate);
}

.page-contact #ct-prep-a:checked ~ .ct-prep__panels .ct-prep__panel--a,
.page-contact #ct-prep-b:checked ~ .ct-prep__panels .ct-prep__panel--b,
.page-contact #ct-prep-c:checked ~ .ct-prep__panels .ct-prep__panel--c {
  display: block;
}

.page-contact .ct-prep__panel-title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: clamp(17px, 2.2vw, 22px);
  letter-spacing: -.01em;
  color: var(--accent);
}

.page-contact .ct-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-check {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(46, 58, 80, .8);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .ct-check:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .ct-check::before {
  content: "";
  width: 14px;
  height: 14px;
  margin-top: 5px;
  border: 1px solid var(--accent);
  background: rgba(43, 232, 176, .1);
}

/* ---------- 05 常见场景 ---------- */
.page-contact .ct-scenes {
  display: grid;
  gap: 14px;
}

.page-contact .ct-scene {
  position: relative;
  padding: 22px 20px 22px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--accent-deep);
  background: var(--panel-alt);
}

.page-contact .ct-scene__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-head);
  font-size: 30px;
  line-height: 1;
  letter-spacing: -.02em;
  color: rgba(43, 232, 176, .5);
}

.page-contact .ct-scene__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .ct-scene__how {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--muted);
}

/* ---------- 06 长期合作 ---------- */
.page-contact .ct-coop {
  display: grid;
  gap: 14px;
}

.page-contact .ct-coop__item {
  padding: 22px 20px;
  border-left: 3px solid var(--accent);
  background: var(--panel);
}

.page-contact .ct-coop__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.2vw, 22px);
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .ct-coop__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .ct-coop__foot {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.76;
  color: var(--muted);
}

/* ---------- 收口 ---------- */
.page-contact .ct-outro {
  margin-top: var(--ct-sec-pad);
}

.page-contact .ct-outro__inner {
  display: grid;
  gap: 24px;
  padding: clamp(28px, 4.6vw, 46px) clamp(22px, 3.4vw, 44px);
  border: 1px solid var(--cta);
  border-top-width: 3px;
  background: linear-gradient(160deg, rgba(255, 162, 58, .1) 0%, rgba(18, 24, 38, .94) 58%);
  box-shadow: var(--shadow-plate-lg);
}

.page-contact .ct-outro__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--cta);
}

.page-contact .ct-outro__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(23px, 4vw, 38px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--text);
  max-width: 22ch;
}

.page-contact .ct-outro__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

.page-contact .ct-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-self: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .ct-coop {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-contact .ct-contact-card:last-child {
    grid-column: 1 / -1;
  }

  .page-contact .ct-timeline__item {
    grid-template-columns: 128px minmax(0, 1fr);
    align-items: start;
    gap: 22px;
  }
}

@media (min-width: 1024px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
  }

  .page-contact .ct-channels {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: clamp(24px, 3.4vw, 44px);
    align-items: start;
  }

  .page-contact .ct-channels__figure {
    position: sticky;
    top: 92px;
  }

  .page-contact .ct-channel--offset {
    margin-left: 34px;
  }

  .page-contact .ct-contact-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .ct-contact-card:last-child {
    grid-column: auto;
    margin-top: 30px;
  }

  .page-contact .ct-contact-card:nth-child(1) {
    margin-top: -6px;
  }

  .page-contact .ct-contact-card:nth-child(2) {
    margin-top: 14px;
  }

  .page-contact .ct-outro__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }
}
<<<PAGE_CSS_END>>>