.page-contact {
  --pc-line: rgba(25, 227, 209, .24);
  --pc-line-soft: rgba(127, 232, 221, .14);
  --pc-mute: rgba(243, 237, 226, .76);
  --pc-mute-dark: rgba(17, 20, 24, .74);
  background: var(--ink);
}

.page-contact .pc-section {
  padding: clamp(2.75rem, 7vw, 5.5rem) 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(1.5rem, 5vw, 3.25rem));
  padding-bottom: clamp(2.75rem, 7vw, 5rem);
  background:
    radial-gradient(110% 80% at 88% 4%, rgba(25, 227, 209, .16), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink) 55%, var(--ink-2) 100%);
}

.page-contact .hero-grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: .85;
}

.page-contact .hero-inner {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumbs {
  margin-bottom: clamp(1.25rem, 4vw, 2.25rem);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .breadcrumbs li::after {
  content: "/";
  margin-left: .5rem;
  color: var(--steel);
}

.page-contact .breadcrumbs li:last-child::after {
  content: "";
}

.page-contact .breadcrumbs a {
  color: var(--cyan);
  text-decoration: none;
}

.page-contact .breadcrumbs a:hover {
  color: var(--cyan-soft);
}

.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--steel);
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3.25rem);
  align-items: start;
}

.page-contact .contact-hero h1 {
  margin: .5rem 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.3rem, 7.4vw, 4.4rem);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--paper-white);
  text-wrap: balance;
}

.page-contact .hero-lede {
  max-width: 36rem;
  margin: 1.1rem 0 0;
  font-size: clamp(1rem, 1.7vw, 1.08rem);
  line-height: 1.8;
  color: var(--pc-mute);
}

.page-contact .list-title {
  margin: clamp(1.75rem, 4vw, 2.4rem) 0 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-list {
  margin: .7rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--pc-line);
}

.page-contact .contact-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: .35rem .75rem;
  padding: 1rem 0;
  border-bottom: 2px solid var(--pc-line-soft);
}

.page-contact .ci-key {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ci-val {
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 2.6vw, 1.06rem);
  line-height: 1.5;
  color: var(--paper-white);
  word-break: break-word;
}

.page-contact .ci-copy {
  justify-self: end;
  padding: .32rem .62rem;
  border: 2px solid var(--cyan);
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease;
}

.page-contact .ci-copy:hover,
.page-contact .ci-copy:focus-visible {
  background: var(--cyan);
  color: var(--ink);
}

.page-contact .contact-note {
  max-width: 34rem;
  margin: 1.15rem 0 0;
  padding-left: .85rem;
  border-left: 3px solid var(--flame);
  font-size: .82rem;
  line-height: 1.72;
  color: var(--steel);
}

.page-contact .hero-figure {
  margin: 0;
  border: 3px solid var(--cyan);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
}

.page-contact .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .hero-figure figcaption {
  padding: .6rem .8rem;
  border-top: 2px solid var(--pc-line);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cyan);
}

/* ---------- 区块通用标题 ---------- */
.page-contact .sec-head {
  max-width: 48rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .sec-head h2 {
  margin: .55rem 0 .8rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.55rem, 4vw, 2.45rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper-white);
  text-wrap: balance;
}

.page-contact .sec-lede {
  margin: 0;
  font-size: .96rem;
  line-height: 1.78;
  color: var(--pc-mute);
}

/* ---------- 支持范围 ---------- */
.page-contact .support-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 2px solid var(--pc-line);
}

.page-contact .support-item {
  padding: 1.35rem 0 1.5rem;
  border-bottom: 2px solid var(--pc-line-soft);
}

.page-contact .support-item h3 {
  margin: 0 0 .55rem;
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper-white);
}

.page-contact .support-num {
  margin-right: .55rem;
  font-size: .86em;
  color: var(--flame);
}

.page-contact .support-item p {
  margin: 0 0 .6rem;
  font-size: .93rem;
  line-height: 1.76;
  color: var(--pc-mute);
}

.page-contact .support-item .support-how {
  margin-bottom: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .submit-tips {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  padding: 1.15rem 1.1rem 1.35rem;
  border: 3px solid var(--cyan);
  background: rgba(12, 27, 46, .72);
  box-shadow: var(--shadow-hard);
}

.page-contact .submit-tips h3 {
  margin: 0 0 .8rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper-white);
}

.page-contact .submit-tips ul {
  display: grid;
  grid-template-columns: 1fr;
  gap: .55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .submit-tips li {
  display: flex;
  gap: .6rem;
  font-size: .9rem;
  line-height: 1.65;
  color: var(--pc-mute);
}

.page-contact .submit-tips .num {
  flex: 0 0 auto;
  color: var(--flame);
}

/* ---------- 合作与媒体 ---------- */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .coop-item {
  padding: 1.2rem 1.1rem 1.3rem;
  border: 2px solid var(--pc-line);
  border-left: 4px solid var(--cyan);
  background: rgba(12, 27, 46, .55);
}

.page-contact .coop-item h3 {
  margin: .7rem 0 .5rem;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--paper-white);
}

.page-contact .coop-item p {
  margin: 0 0 .6rem;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--pc-mute);
}

.page-contact .coop-item .coop-subject {
  margin-bottom: 0;
  font-family: var(--font-mono);
  font-size: .71rem;
  letter-spacing: .04em;
  color: var(--cyan-soft);
  word-break: break-word;
}

/* ---------- 回复流程 ---------- */
.page-contact .flow-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: .9rem 1.5rem;
  max-width: none;
}

.page-contact .flow-head h2 {
  color: var(--graphite);
}

.page-contact .flow-head .eyebrow {
  color: var(--teal-deep);
}

.page-contact .reply-badge {
  margin: 0 0 .35rem;
  padding: .38rem .7rem;
  border: 2px solid var(--graphite);
  background: var(--flame);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
}

.page-contact .flow-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 5vw, 3rem);
  align-items: start;
}

.page-contact .flow-steps {
  display: grid;
  gap: 1.05rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 .95rem;
  padding: 1rem 1.1rem 1.15rem;
  border: 3px solid var(--graphite);
  background: var(--paper-white);
  box-shadow: 6px 6px 0 rgba(17, 20, 24, .12);
}

.page-contact .flow-num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--teal-deep);
}

.page-contact .flow-step h3 {
  grid-column: 2;
  margin: 0 0 .4rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--graphite);
}

.page-contact .flow-step p {
  grid-column: 2;
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--pc-mute-dark);
}

.page-contact .flow-figure {
  margin: 0;
  border: 3px solid var(--graphite);
  background: var(--ink-2);
  box-shadow: 8px 8px 0 var(--teal-deep);
}

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

.page-contact .flow-figure figcaption {
  padding: .55rem .75rem;
  border-top: 2px solid var(--pc-line);
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

/* ---------- 问答分流 ---------- */
.page-contact .faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 5vw, 3rem);
  align-items: start;
}

.page-contact .faq-copy h2 {
  margin: .55rem 0 .8rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.55rem, 4vw, 2.35rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper-white);
  text-wrap: balance;
}

.page-contact .faq-copy p {
  margin: 0 0 1.25rem;
  font-size: .96rem;
  line-height: 1.78;
  color: var(--pc-mute);
}

.page-contact .faq-links {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--pc-line);
}

.page-contact .faq-links li {
  border-bottom: 2px solid var(--pc-line-soft);
}

.page-contact .faq-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem .2rem;
  color: var(--paper-white);
  text-decoration: none;
  transition: color .18s ease, padding-left .18s ease;
}

.page-contact .faq-links a:hover,
.page-contact .faq-links a:focus-visible {
  color: var(--cyan);
  padding-left: .65rem;
}

.page-contact .faq-q {
  font-size: .96rem;
  line-height: 1.6;
}

.page-contact .faq-meta {
  flex: 0 0 auto;
  font-size: .74rem;
  color: var(--flame);
}

.page-contact .faq-foot {
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  padding-top: 1.1rem;
  border-top: 2px solid var(--pc-line-soft);
  font-size: .87rem;
  line-height: 1.75;
  color: var(--steel);
}

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

.page-contact .faq-foot a:hover {
  color: var(--cyan-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-item {
    grid-template-columns: 8.5rem 1fr auto;
    align-items: center;
  }

  .page-contact .ci-key {
    grid-column: 1;
  }

  .page-contact .submit-tips ul {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 780px) {
  .page-contact .support-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .support-item:nth-child(odd) {
    padding-right: 2rem;
    border-right: 2px solid var(--pc-line-soft);
  }

  .page-contact .support-item:nth-child(even) {
    padding-left: 2rem;
  }

  .page-contact .coop-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.15rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-contact .flow-layout {
    grid-template-columns: 1.1fr .9fr;
  }

  .page-contact .faq-grid {
    grid-template-columns: 1fr 1.05fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ci-copy,
  .page-contact .faq-links a {
    transition: none;
  }
}
<<<END>>>