.page-contact {
  --ct-rule: rgba(29, 60, 97, .75);
  --ct-soft: rgba(12, 38, 68, .72);
  --ct-gap: clamp(2.25rem, 6vw, 4.75rem);
  position: relative;
  background: var(--cv-deep);
  color: var(--cv-ink);
  font-family: var(--font-body);
  line-height: 1.75;
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
  overflow-x: clip;
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(29, 60, 97, .5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(29, 60, 97, .5) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(130% 58% at 72% 0%, #000 0%, transparent 76%);
  mask-image: radial-gradient(130% 58% at 72% 0%, #000 0%, transparent 76%);
  pointer-events: none;
}

.page-contact > * {
  position: relative;
  z-index: 1;
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumbs-row {
  padding-top: clamp(.9rem, 3vw, 1.6rem);
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cv-dim);
}

.page-contact .crumbs a {
  color: var(--cv-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--cv-cyan);
  border-bottom-color: currentColor;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(2.25rem, 6vw, 3.75rem);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

.page-contact .ct-kicker {
  display: flex;
  align-items: center;
  gap: .65rem;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--cv-cyan);
}

.page-contact .ct-kicker__bar {
  display: inline-block;
  width: 36px;
  height: 2px;
  background: var(--cv-cyan);
}

.page-contact .ct-hero__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 6.4vw, 3.8rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--cv-ink);
  max-width: 20ch;
}

.page-contact .ct-hero__text {
  margin: 0 0 1.75rem;
  max-width: 46ch;
  font-size: clamp(1rem, 2.2vw, 1.0625rem);
  color: var(--cv-muted);
}

.page-contact .ct-quick {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--ct-rule);
  border: 1px solid var(--ct-rule);
}

.page-contact .ct-quick__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .3rem 1rem;
  padding: .7rem .95rem;
  background: var(--ct-soft);
}

.page-contact .ct-quick__k {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cv-dim);
}

.page-contact .ct-quick__v {
  font-family: var(--font-mono);
  font-size: .88rem;
  color: var(--cv-ink);
  word-break: break-word;
}

.page-contact .ct-hero__media {
  margin: 0;
  background: var(--cv-night);
  border: 1px solid var(--ct-rule);
  clip-path: var(--cut-poly);
}

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

.page-contact .ct-hero__cap {
  margin: .8rem 0 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--cv-dim);
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: end;
  }
}

/* ---------- 区块通用 ---------- */
.page-contact .ct-section {
  padding: clamp(2.25rem, 6vw, 4rem) 0;
}

.page-contact .ct-section--alt {
  background: linear-gradient(180deg, rgba(12, 38, 68, .85) 0%, rgba(6, 23, 46, 0) 100%);
  border-top: 1px solid var(--ct-rule);
  border-bottom: 1px solid var(--ct-rule);
}

.page-contact .section-title {
  margin: .4rem 0 .7rem;
}

.page-contact .section-sub {
  max-width: 62ch;
  color: var(--cv-muted);
}

/* ---------- 渠道面板 ---------- */
.page-contact .ct-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.5vw, 1.4rem);
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-contact .ct-channel {
  --ct-accent: var(--cv-cyan);
  display: flex;
  flex-direction: column;
  gap: .85rem;
  padding: clamp(1.15rem, 3vw, 1.65rem);
  background: var(--cv-panel);
  border-left: 3px solid var(--ct-accent);
  clip-path: var(--cut-poly);
}

.page-contact .ct-channel--violet { --ct-accent: var(--cv-violet); }
.page-contact .ct-channel--lime { --ct-accent: var(--cv-lime); }

.page-contact .ct-channel__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}

.page-contact .ct-channel__key {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: .05em;
  color: var(--cv-ink);
}

.page-contact .ct-channel__dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cv-lime);
  box-shadow: 0 0 0 4px rgba(183, 245, 71, .14);
}

.page-contact .ct-channel__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 2.4vw, 1.12rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--ct-accent);
  word-break: break-word;
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: .94rem;
  color: var(--cv-muted);
}

.page-contact .ct-channel__acts {
  margin-top: auto;
  padding-top: .5rem;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

@media (min-width: 820px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 资料与版本 ---------- */
.page-contact .ct-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-contact .ct-split__lead .btn {
  margin-top: .5rem;
}

.page-contact .ct-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--ct-rule);
}

.page-contact .ct-list__item {
  display: grid;
  gap: .3rem;
  padding: 1rem 1.1rem;
  background: var(--cv-deep);
}

.page-contact .ct-list__k {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cv-cyan);
}

.page-contact .ct-list__v {
  font-size: .95rem;
  color: var(--cv-muted);
}

@media (min-width: 900px) {
  .page-contact .ct-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

/* ---------- 合作与建议 ---------- */
.page-contact .ct-blocks {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.5vw, 1.4rem);
  margin-top: clamp(1.25rem, 3vw, 1.9rem);
}

.page-contact .ct-block {
  --ct-accent: var(--cv-cyan);
  padding: 1.25rem 1.2rem 1.4rem;
  background: rgba(12, 38, 68, .7);
  border-top: 2px solid var(--ct-accent);
}

.page-contact .ct-block--violet { --ct-accent: var(--cv-violet); }
.page-contact .ct-block--lime { --ct-accent: var(--cv-lime); }

.page-contact .ct-block__k {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ct-accent);
}

.page-contact .ct-block__t {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: .03em;
  color: var(--cv-ink);
}

.page-contact .ct-block__d {
  margin: 0;
  font-size: .93rem;
  color: var(--cv-muted);
}

@media (min-width: 860px) {
  .page-contact .ct-blocks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 流程 ---------- */
.page-contact .ct-flow-media {
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  background: var(--cv-night);
  border: 1px solid var(--ct-rule);
  clip-path: var(--cut-poly);
}

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

.page-contact .ct-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  list-style: none;
  background: var(--ct-rule);
}

.page-contact .ct-step {
  display: grid;
  align-content: start;
  gap: .55rem;
  padding: 1.2rem 1.1rem 1.4rem;
  background: var(--cv-night);
  box-shadow: inset 0 0 0 var(--cv-cyan);
  transition: background .28s var(--ease), box-shadow .28s var(--ease);
}

.page-contact .ct-step:hover,
.page-contact .ct-step:focus-within {
  background: var(--cv-panel);
  box-shadow: inset 0 3px 0 var(--cv-cyan);
}

.page-contact .ct-step__num {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--cv-dim);
}

.page-contact .ct-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--cv-ink);
}

.page-contact .ct-step__body {
  margin: 0;
  font-size: .93rem;
  color: var(--cv-muted);
}

.page-contact .ct-step__detail {
  margin: 0;
  padding-left: .7rem;
  border-left: 2px solid var(--cv-grid);
  font-size: .85rem;
  color: var(--cv-dim);
}

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

@media (min-width: 900px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 响应时间 ---------- */
.page-contact .ct-response {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(1.25rem, 3vw, 1.9rem);
  background: var(--ct-rule);
  border: 1px solid var(--ct-rule);
}

.page-contact .ct-response__item {
  display: grid;
  gap: .35rem;
  padding: 1.2rem 1.15rem 1.4rem;
  background: var(--ct-soft);
}

.page-contact .ct-response__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cv-dim);
}

.page-contact .ct-response__v {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.6vw, 1.75rem);
  font-weight: 400;
  letter-spacing: .02em;
  color: var(--cv-lime);
}

.page-contact .ct-response__d {
  margin: 0;
  font-size: .92rem;
  color: var(--cv-muted);
}

@media (min-width: 720px) {
  .page-contact .ct-response {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-response {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 收束 ---------- */
.page-contact .ct-closing {
  position: relative;
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding: clamp(2rem, 5.5vw, 3.5rem) 0 clamp(1.5rem, 4vw, 2.5rem);
  background:
    radial-gradient(120% 140% at 12% 0%, rgba(47, 212, 232, .14) 0%, transparent 62%),
    radial-gradient(100% 120% at 92% 100%, rgba(138, 92, 255, .16) 0%, transparent 60%),
    var(--cv-night);
  border-top: 1px solid var(--ct-rule);
  overflow: hidden;
}

.page-contact .ct-closing::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 180px;
  background-image:
    linear-gradient(to right, rgba(29, 60, 97, .55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(29, 60, 97, .55) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(to top, #000 0%, transparent 100%);
  mask-image: linear-gradient(to top, #000 0%, transparent 100%);
  pointer-events: none;
}

.page-contact .ct-closing__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3.5vw, 2.25rem);
}

.page-contact .ct-closing__title {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 4.2vw, 2.25rem);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--cv-ink);
}

.page-contact .ct-closing__desc {
  margin: 0;
  max-width: 56ch;
  font-size: .96rem;
  color: var(--cv-muted);
}

.page-contact .ct-closing__acts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
}

@media (min-width: 900px) {
  .page-contact .ct-closing__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
  .page-contact .ct-closing__acts {
    justify-content: flex-end;
  }
}
<<<END>>>