.page-contact {
  --accent: var(--amber);
  --ct-line: var(--ink-700);
  --ct-panel: rgba(18, 33, 58, 0.62);
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  color: var(--paper);
  margin: 0;
}

.page-contact h1 {
  font-size: clamp(2rem, 7.2vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin-top: 0.7rem;
}

.page-contact h2 {
  font-size: clamp(1.45rem, 4.4vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-contact h3 {
  font-size: clamp(1.05rem, 2.4vw, 1.2rem);
  line-height: 1.3;
}

.page-contact p {
  color: var(--silver-200);
  line-height: 1.78;
  font-size: 1rem;
  margin: 0;
}

.page-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(54, 230, 214, 0.35);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

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

.page-contact :focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-feature-settings: "tnum" 1;
}

.page-contact .kicker {
  margin: 0;
  color: var(--silver-500);
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  text-transform: uppercase;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: 1.6rem 0 clamp(2.4rem, 6vw, 4.6rem);
  border-bottom: 1px solid var(--ct-line);
  background:
    radial-gradient(120% 85% at 88% -10%, rgba(255, 138, 42, 0.18), transparent 62%),
    radial-gradient(90% 70% at 5% 105%, rgba(54, 230, 214, 0.09), transparent 65%),
    linear-gradient(180deg, var(--ink-1000), var(--ink-950));
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  margin-top: clamp(1.4rem, 3.5vw, 2.4rem);
}

.page-contact .ct-hero__lead {
  margin-top: 1.1rem;
  max-width: 46ch;
  color: var(--silver-200);
}

.page-contact .ct-mail {
  margin-top: clamp(1.6rem, 3.4vw, 2.4rem);
  padding: clamp(1.1rem, 2.6vw, 1.7rem);
  border: 1px solid var(--ct-line);
  border-left: 3px solid var(--accent);
  border-radius: var(--r);
  background: var(--ct-panel);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
}

.page-contact .ct-mail__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--silver-500);
}

.page-contact .ct-mail__addr {
  display: block;
  margin: 0.55rem 0 1.1rem;
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 4.4vw, 2rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
  word-break: break-all;
  border-bottom: 1px solid transparent;
}

.page-contact .ct-mail__addr:hover,
.page-contact .ct-mail__addr:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.page-contact .ct-mail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

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

.page-contact .ct-hero__figure .figure__frame {
  border: 1px solid var(--ct-line);
  box-shadow: 0 24px 60px -32px rgba(5, 10, 18, 0.95);
}

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

/* ---------- 通用区块头 ---------- */
.page-contact .ct-head {
  max-width: 62ch;
}

.page-contact .ct-head h2 {
  margin-top: 0.55rem;
}

.page-contact .ct-head__lead {
  margin-top: 0.9rem;
  color: var(--silver-200);
}

/* ---------- 渠道卡 ---------- */
.page-contact .ct-channels {
  padding: clamp(2.4rem, 6vw, 4.4rem) 0;
  background: var(--ink-950);
}

.page-contact .ct-cards {
  display: grid;
  gap: 0.9rem;
  margin-top: clamp(1.6rem, 3.2vw, 2.4rem);
}

.page-contact .ct-card {
  position: relative;
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  border: 1px solid var(--ct-line);
  border-radius: var(--r);
  background: linear-gradient(180deg, rgba(18, 33, 58, 0.92), rgba(10, 20, 36, 0.94));
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .ct-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(255, 138, 42, 0));
  opacity: 0.4;
  transition: opacity 0.2s var(--ease);
}

.page-contact .ct-card:hover,
.page-contact .ct-card:focus-within {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -30px rgba(255, 138, 42, 0.9);
}

.page-contact .ct-card:hover::before,
.page-contact .ct-card:focus-within::before {
  opacity: 1;
}

.page-contact .ct-card h3 {
  margin: 0.35rem 0 0.75rem;
}

.page-contact .ct-card p {
  font-size: 0.95rem;
  color: var(--silver-200);
}

.page-contact .ct-card__num {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--silver-500);
}

.page-contact .ct-card__strong {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.6vw, 1.14rem);
  color: var(--cyan);
  word-break: break-all;
  margin-bottom: 0.6rem;
  border-bottom: 1px solid rgba(54, 230, 214, 0.3);
}

.page-contact .ct-card__strong:hover,
.page-contact .ct-card__strong:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.page-contact .ct-card__addr {
  font-size: 0.98rem;
  color: var(--paper);
  letter-spacing: 0.01em;
  margin-bottom: 0.6rem;
}

.page-contact .ct-card .chip-copy {
  margin-top: 0.9rem;
}

/* ---------- 流程带 ---------- */
.page-contact .ct-flow {
  padding: clamp(2.4rem, 6vw, 4.4rem) 0;
  border-top: 1px solid var(--ct-line);
  border-bottom: 1px solid var(--ct-line);
  background:
    linear-gradient(180deg, var(--ink-1000), var(--ink-950) 65%, var(--ink-1000));
}

.page-contact .ct-flow__head {
  max-width: 58ch;
}

.page-contact .ct-flow__head h2 {
  margin-top: 0.55rem;
}

.page-contact .ct-flow__head p {
  margin-top: 0.85rem;
}

.page-contact .ct-steps {
  list-style: none;
  margin: clamp(1.6rem, 3.4vw, 2.6rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-steps li {
  position: relative;
  padding: clamp(1.05rem, 2.4vw, 1.6rem);
  background: var(--ink-950);
}

.page-contact .ct-steps li::after {
  content: "";
  position: absolute;
  left: clamp(1.05rem, 2.4vw, 1.6rem);
  right: clamp(1.05rem, 2.4vw, 1.6rem);
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 138, 42, 0.65), rgba(54, 230, 214, 0.35), transparent);
  opacity: 0.6;
}

.page-contact .ct-steps__num {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.page-contact .ct-steps h3 {
  margin-bottom: 0.5rem;
}

.page-contact .ct-steps p {
  font-size: 0.94rem;
}

/* ---------- 四川提示 ---------- */
.page-contact .ct-region {
  padding: clamp(2.4rem, 6vw, 4.6rem) 0;
  background: var(--ink-1000);
}

.page-contact .ct-region__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

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

.page-contact .ct-region__figure .figure__frame {
  border: 1px solid var(--ct-line);
}

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

.page-contact .ct-region__text h2 {
  margin-top: 0.55rem;
}

.page-contact .ct-region__text > p {
  margin-top: 0.95rem;
}

.page-contact .ct-region__list {
  list-style: none;
  margin: 1.4rem 0 1.2rem;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .ct-region__list li {
  display: grid;
  grid-template-columns: 1.6rem 1fr;
  gap: 0.6rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--ct-line);
  font-size: 0.96rem;
  line-height: 1.65;
  color: var(--silver-200);
}

.page-contact .ct-region__list .mono {
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  padding-top: 0.2rem;
}

.page-contact .ct-region__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.1rem;
}

.page-contact .ct-region__note {
  font-size: 0.92rem;
  color: var(--silver-500);
  line-height: 1.7;
}

/* ---------- 纠错与合作 ---------- */
.page-contact .ct-coop {
  padding: clamp(2.4rem, 6vw, 4.4rem) 0;
  border-top: 1px solid var(--ct-line);
  background: var(--ink-950);
}

.page-contact .ct-coop__grid {
  display: grid;
  gap: clamp(1.6rem, 3.6vw, 2.6rem);
  margin-top: clamp(1.4rem, 3vw, 2.2rem);
}

.page-contact .ct-details {
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-details details {
  border-bottom: 1px solid var(--ct-line);
  padding: 0.95rem 0;
}

.page-contact .ct-details summary {
  display: flex;
  gap: 0.85rem;
  align-items: baseline;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1rem, 2.4vw, 1.1rem);
  color: var(--paper);
  list-style: none;
  transition: color 0.18s var(--ease);
}

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

.page-contact .ct-details summary .mono {
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--silver-500);
  transition: color 0.18s var(--ease);
}

.page-contact .ct-details summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--silver-500);
  transition: transform 0.2s var(--ease), color 0.18s var(--ease);
}

.page-contact .ct-details details[open] summary,
.page-contact .ct-details summary:hover {
  color: var(--accent);
}

.page-contact .ct-details details[open] summary .mono,
.page-contact .ct-details summary:hover .mono {
  color: var(--accent);
}

.page-contact .ct-details details[open] summary::after {
  content: "−";
  color: var(--accent);
}

.page-contact .ct-details details p {
  margin: 0.75rem 0 0.2rem;
  padding-left: 1.9rem;
  font-size: 0.94rem;
  color: var(--silver-200);
}

.page-contact .ct-side {
  padding: clamp(1.1rem, 2.6vw, 1.7rem);
  border: 1px solid var(--ct-line);
  border-radius: var(--r);
  background: linear-gradient(180deg, rgba(18, 33, 58, 0.85), rgba(5, 10, 18, 0.9));
}

.page-contact .ct-side h3 {
  margin-bottom: 0.7rem;
}

.page-contact .ct-side > p {
  font-size: 0.94rem;
}

.page-contact .ct-side__list {
  list-style: none;
  margin: 1.2rem 0 1.3rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-contact .ct-side__list li {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  font-size: 0.9rem;
  color: var(--silver-200);
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(27, 45, 74, 0.9);
}

.page-contact .ct-side__list .mono {
  color: var(--accent);
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}

/* ---------- 准备清单 ---------- */
.page-contact .ct-prep {
  padding: clamp(2.4rem, 6vw, 4.4rem) 0;
  border-top: 1px solid var(--ct-line);
  background: var(--ink-1000);
}

.page-contact .ct-prep__list {
  list-style: none;
  margin: clamp(1.4rem, 3vw, 2.2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-prep__list li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.2rem 0.9rem;
  align-content: start;
  padding: clamp(1rem, 2.2vw, 1.4rem);
  background: var(--ink-950);
  transition: background 0.18s var(--ease);
}

.page-contact .ct-prep__list li:hover {
  background: var(--ink-800);
}

.page-contact .ct-prep__num {
  grid-row: 1 / span 2;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding-top: 0.28rem;
}

.page-contact .ct-prep__list h3 {
  font-size: 1rem;
}

.page-contact .ct-prep__list p {
  font-size: 0.92rem;
  color: var(--silver-200);
}

/* ---------- 收束 ---------- */
.page-contact .ct-close {
  padding: clamp(2.2rem, 5vw, 3.6rem) 0;
  border-top: 1px solid var(--ct-line);
  background:
    linear-gradient(115deg, rgba(139, 124, 255, 0.16), transparent 42%),
    linear-gradient(180deg, var(--ink-950), var(--ink-1000));
}

.page-contact .ct-close__inner {
  display: grid;
  gap: 1.4rem;
}

.page-contact .ct-close__text h2 {
  margin-bottom: 0.7rem;
}

.page-contact .ct-close__text p {
  font-size: 0.95rem;
  color: var(--silver-500);
}

.page-contact .ct-close__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-contact .ct-close__links a {
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--ct-line);
  border-radius: var(--r);
  background: rgba(18, 33, 58, 0.5);
  color: var(--paper);
  font-size: 0.95rem;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-contact .ct-close__links .mono {
  color: var(--accent);
}

.page-contact .ct-close__links a:hover,
.page-contact .ct-close__links a:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255, 138, 42, 0.08);
}

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

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

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

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }

  .page-contact .ct-hero__figure {
    transform: translateY(0.9rem);
  }

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

  .page-contact .ct-card:nth-child(2) {
    margin-top: 1.6rem;
  }

  .page-contact .ct-card:nth-child(3) {
    margin-top: 3.2rem;
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-region__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: center;
  }

  .page-contact .ct-region__figure {
    transform: translateX(-0.9rem);
  }

  .page-contact .ct-coop__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-contact .ct-close__inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
    gap: 2.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-card::before,
  .page-contact .ct-details summary,
  .page-contact .ct-close__links a,
  .page-contact .ct-prep__list li,
  .page-contact .ct-mail__addr,
  .page-contact a {
    transition: none;
  }

  .page-contact .ct-card:hover,
  .page-contact .ct-card:focus-within {
    transform: none;
  }
}
<<<END>>>