.page-contact {
  --ct-line: rgba(41, 242, 194, 0.22);
  --ct-line-soft: rgba(234, 247, 241, 0.12);
  --ct-cut: 14px;
  background: var(--ink-green-950);
  color: var(--text-on-dark);
  overflow-x: hidden;
}

.page-contact a {
  color: var(--cyan-glow);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-contact a:hover {
  color: var(--text-on-dark);
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.08;
  margin: 0;
}

.page-contact h2 {
  font-size: clamp(1.55rem, 4vw, 2.5rem);
}

.page-contact h3 {
  font-size: clamp(1.02rem, 2vw, 1.16rem);
  line-height: 1.35;
  letter-spacing: -0.005em;
}

.page-contact p {
  margin: 0;
}

/* ---------- 通用小件 ---------- */

.page-contact .ct-label {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-glow);
}

.page-contact .ct-label::before {
  content: "";
  flex: none;
  width: 26px;
  height: 1px;
  background: currentColor;
}

.page-contact .ct-section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--ct-line-soft);
}

.page-contact .ct-sec-head {
  display: grid;
  gap: 0.85rem;
  max-width: 46rem;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-contact .ct-sec-head p {
  color: rgba(234, 247, 241, 0.78);
  line-height: 1.8;
}

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

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  border-top: 2px solid var(--cyan-glow);
}

.page-contact .ct-figure figcaption {
  margin-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: rgba(234, 247, 241, 0.55);
  line-height: 1.6;
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  padding-block: clamp(1.25rem, 3vw, 2rem) clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--ct-line-soft);
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(41, 242, 194, 0.11), transparent 62%),
    radial-gradient(90% 80% at 100% 110%, rgba(255, 106, 61, 0.09), transparent 60%);
}

.page-contact .ct-breadcrumb {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.page-contact .ct-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  color: rgba(234, 247, 241, 0.6);
}

.page-contact .ct-breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: rgba(234, 247, 241, 0.35);
}

.page-contact .ct-hero-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .ct-hero-copy h1 {
  margin-top: 0.9rem;
  font-size: clamp(1.95rem, 7vw, 4.2rem);
  line-height: 1.03;
}

.page-contact .ct-lead {
  margin-top: 1.15rem;
  max-width: 40rem;
  font-size: clamp(0.98rem, 1.6vw, 1.1rem);
  line-height: 1.85;
  color: rgba(234, 247, 241, 0.82);
}

.page-contact .ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.35rem, 3vw, 2rem);
}

.page-contact .ct-hero-actions .btn {
  text-decoration: none;
}

.page-contact .ct-hero-card {
  position: relative;
  padding: clamp(1.15rem, 2.6vw, 1.7rem);
  background: var(--ink-green-900);
  border: 1px solid var(--ct-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-contact .ct-hero-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-glow), var(--cyan-deep) 55%, transparent);
}

.page-contact .ct-card-kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-glow);
  margin-bottom: 1rem;
}

.page-contact .ct-quick-list {
  display: grid;
  gap: 0.95rem;
  margin: 0;
}

.page-contact .ct-quick-list > div {
  display: grid;
  gap: 0.25rem;
}

.page-contact .ct-quick-list dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(234, 247, 241, 0.55);
}

.page-contact .ct-quick-list dd {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.5;
  word-break: break-word;
}

.page-contact .ct-card-note {
  margin-top: 1.15rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--ct-line-soft);
  font-size: 0.82rem;
  line-height: 1.7;
  color: rgba(234, 247, 241, 0.68);
}

/* ---------- 01 材料 ---------- */

.page-contact .ct-prep-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .ct-prep-side {
  display: grid;
  gap: 0.9rem;
}

.page-contact .ct-prep-side p {
  color: rgba(234, 247, 241, 0.78);
  line-height: 1.8;
  max-width: 34rem;
}

.page-contact .ct-prep-link {
  font-size: 0.9rem;
  color: rgba(234, 247, 241, 0.62);
}

.page-contact .ct-prep-main {
  display: grid;
  gap: 0.55rem;
}

.page-contact .ct-fold {
  background: var(--ink-green-900);
  border: 1px solid var(--ct-line-soft);
  border-left: 3px solid var(--cyan-deep);
  padding: 0.15rem 0;
}

.page-contact .ct-fold[open] {
  border-left-color: var(--cyan-glow);
}

.page-contact .ct-fold > summary {
  padding: 0.95rem 1.1rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.4;
  color: var(--text-on-dark);
  list-style: none;
}

.page-contact .ct-fold > summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-fold > summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--cyan-glow);
}

.page-contact .ct-fold[open] > summary::after {
  content: "–";
}

.page-contact .ct-fold .fold-body {
  padding: 0 1.1rem 1.1rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(234, 247, 241, 0.74);
}

/* ---------- 02 导出（奶油纸） ---------- */

.page-contact .ct-export {
  background: var(--paper-cream);
  color: var(--text-on-paper);
  border-top: none;
}

.page-contact .ct-export .ct-label {
  color: var(--cyan-deep);
}

.page-contact .ct-export a {
  color: var(--ink-green-950);
}

.page-contact .ct-export a:hover {
  color: var(--heat-red);
}

.page-contact .ct-export .ct-sec-head p {
  color: rgba(23, 35, 31, 0.76);
}

.page-contact .ct-export-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: ctstep;
  display: grid;
  gap: 0;
}

.page-contact .ct-steps li {
  counter-increment: ctstep;
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: 0.2rem 1rem;
  padding: 1rem 0;
  border-bottom: 1px dashed var(--line-brown);
}

.page-contact .ct-steps li:first-child {
  border-top: 1px dashed var(--line-brown);
}

.page-contact .ct-steps li::before {
  content: counter(ctstep, decimal-leading-zero);
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--heat-orange);
}

.page-contact .ct-steps h3 {
  color: var(--ink-green-950);
}

.page-contact .ct-steps p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(23, 35, 31, 0.76);
}

.page-contact .ct-export .ct-figure img {
  border-top-color: var(--heat-orange);
}

.page-contact .ct-export .ct-figure figcaption {
  color: rgba(23, 35, 31, 0.58);
}

.page-contact .ct-tabs {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-contact .ct-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-contact .ct-tab {
  appearance: none;
  cursor: pointer;
  padding: 0.55rem 1.05rem;
  border: 1px solid var(--line-brown);
  background: transparent;
  color: var(--ink-green-950);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  transition: background 0.2s ease, color 0.2s ease;
}

.page-contact .ct-tab[aria-selected="true"] {
  background: var(--ink-green-950);
  border-color: var(--ink-green-950);
  color: var(--cyan-glow);
}

.page-contact .ct-panel {
  margin-top: 0.9rem;
  padding: 1.1rem 1.2rem;
  background: var(--paper-cream-2);
  border-left: 3px solid var(--gold-rank);
}

.page-contact .ct-panel p {
  margin-top: 0.55rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(23, 35, 31, 0.8);
}

.page-contact .ct-panel h3 {
  color: var(--ink-green-950);
}

.page-contact .ct-panel-meta {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: rgba(23, 35, 31, 0.6);
}

.page-contact .ct-export-foot {
  margin-top: clamp(1.5rem, 3vw, 2rem);
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(23, 35, 31, 0.72);
}

/* ---------- 03 正文格式 ---------- */

.page-contact .ct-template-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .ct-template-main {
  display: grid;
  gap: 0.9rem;
}

.page-contact .ct-template-main > p {
  color: rgba(234, 247, 241, 0.78);
  line-height: 1.8;
  max-width: 44rem;
}

.page-contact .ct-code {
  margin-top: 0.5rem;
  background: var(--ink-green-900);
  border: 1px solid var(--ct-line);
  border-left: 3px solid var(--heat-orange);
  overflow: hidden;
}

.page-contact .ct-code-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 1rem;
  background: rgba(41, 242, 194, 0.08);
  border-bottom: 1px solid var(--ct-line-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan-glow);
}

.page-contact .ct-code pre {
  margin: 0;
  padding: 1rem;
  max-width: 100%;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.9;
  color: rgba(234, 247, 241, 0.9);
  white-space: pre-wrap;
  word-break: break-word;
}

.page-contact .ct-code code {
  font-family: inherit;
}

.page-contact .ct-template-note {
  font-size: 0.86rem;
  line-height: 1.8;
  color: rgba(234, 247, 241, 0.6);
  padding-left: 0.9rem;
  border-left: 2px solid var(--ct-line);
}

/* ---------- 04 联系渠道 ---------- */

.page-contact .ct-channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 1px;
  background: var(--ct-line-soft);
  border: 1px solid var(--ct-line-soft);
}

.page-contact .ct-channel {
  background: var(--ink-green-950);
  padding: clamp(1.15rem, 2.6vw, 1.6rem);
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.page-contact .ct-channel--accent {
  background: var(--ink-green-900);
  box-shadow: inset 0 3px 0 0 var(--cyan-glow);
}

.page-contact .ct-channel-key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-glow);
}

.page-contact .ct-channel-value {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2vw, 1.08rem);
  line-height: 1.5;
  color: var(--text-on-dark);
  word-break: break-word;
}

.page-contact .ct-channel-value--text {
  font-family: var(--font-body);
  font-weight: 700;
}

.page-contact .ct-channel-note {
  font-size: 0.85rem;
  line-height: 1.75;
  color: rgba(234, 247, 241, 0.66);
}

.page-contact .ct-channels-foot {
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(234, 247, 241, 0.62);
}

/* ---------- 05 响应节奏 ---------- */

.page-contact .ct-flow-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .ct-flow-side {
  display: grid;
  gap: 0.9rem;
}

.page-contact .ct-flow-side p {
  color: rgba(234, 247, 241, 0.78);
  line-height: 1.8;
  max-width: 30rem;
}

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

.page-contact .ct-timeline li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.25rem 1rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--ct-line-soft);
}

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

.page-contact .ct-timeline-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--gold-rank);
  padding-top: 0.15rem;
}

.page-contact .ct-timeline h3 {
  color: var(--text-on-dark);
}

.page-contact .ct-timeline p {
  margin-top: 0.4rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(234, 247, 241, 0.72);
}

/* ---------- 响应式 ---------- */

@media (min-width: 820px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(272px, 0.75fr);
  }

  .page-contact .ct-prep-grid,
  .page-contact .ct-flow-grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  }

  .page-contact .ct-export-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .ct-template-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  }

  .page-contact .ct-export .ct-figure {
    position: sticky;
    top: 1.5rem;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-template-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
  }
}

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