.page-contact {
  background: var(--ink-green);
  color: var(--mist);
  font-family: var(--font-sans);
}

.page-contact .page-section {
  padding-block: clamp(2.4rem, 6vw, 4.6rem);
}

.page-contact .page-section--tint {
  background: var(--night-blue);
}

.page-contact .section-title {
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--mist);
  margin: 0.4rem 0 0;
}

.page-contact .section-lede {
  margin: 0.85rem 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(234, 246, 242, 0.78);
}

.page-contact .section-lede a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-contact .section-head {
  margin-bottom: clamp(1.5rem, 3vw, 2.4rem);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(1.4rem, 3.5vw, 2.2rem) clamp(2.4rem, 6vw, 4.2rem);
  border-bottom-left-radius: var(--radius-xl);
  border-bottom-right-radius: var(--radius-xl);
  background:
    radial-gradient(120% 100% at 6% 0%, rgba(77, 240, 208, 0.2), transparent 60%),
    radial-gradient(90% 90% at 96% 14%, rgba(255, 106, 42, 0.16), transparent 62%),
    var(--ink-green);
}

.page-contact .contact-hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .contact-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: grayscale(0.45) contrast(1.1);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(234, 246, 242, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(234, 246, 242, 0.055) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  -webkit-mask-image: radial-gradient(78% 72% at 46% 32%, #000 38%, transparent 100%);
  mask-image: radial-gradient(78% 72% at 46% 32%, #000 38%, transparent 100%);
}

.page-contact .contact-hero-inner {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.6rem);
}

.page-contact h1 {
  margin: 0.45rem 0 0;
  font-size: clamp(2rem, 6.6vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 900;
  color: var(--mist);
}

.page-contact .hero-lede {
  margin: 1rem 0 0;
  max-width: 50ch;
  font-size: clamp(0.98rem, 2vw, 1.08rem);
  line-height: 1.8;
  color: rgba(234, 246, 242, 0.84);
}

.page-contact .hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pill {
  display: inline-block;
  padding: 0.5rem 1.05rem;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(10, 26, 47, 0.5);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--mist);
  text-decoration: none;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-contact .pill:hover,
.page-contact .pill:focus-visible {
  transform: translateY(-2px);
}

.page-contact .pill--cyan {
  border-color: var(--line-cyan);
  background: rgba(77, 240, 208, 0.1);
}

.page-contact .pill--amber {
  border-color: rgba(255, 200, 87, 0.34);
  background: rgba(255, 200, 87, 0.1);
}

.page-contact .pill--orange {
  border-color: var(--line-orange);
  background: rgba(255, 106, 42, 0.1);
}

.page-contact .pill--violet {
  border-color: rgba(124, 92, 255, 0.36);
  background: rgba(124, 92, 255, 0.12);
}

.page-contact .contact-card {
  display: grid;
  gap: 0.75rem;
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-cyan);
  background: linear-gradient(155deg, rgba(77, 240, 208, 0.18), rgba(10, 26, 47, 0.95) 58%);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-card-kicker {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-card-mail {
  font-family: var(--font-mono);
  font-size: clamp(0.82rem, 2.6vw, 1rem);
  color: var(--mist);
  text-decoration: none;
  word-break: break-all;
  padding-bottom: 0.45rem;
  border-bottom: 1px dashed var(--line-cyan);
}

.page-contact .contact-card-rows {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-contact .contact-card-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-size: 0.88rem;
}

.page-contact .contact-card-row dt {
  color: var(--slate);
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  flex: none;
}

.page-contact .contact-card-row dd {
  margin: 0;
  text-align: right;
  color: var(--mist);
}

.page-contact .contact-card-note {
  margin: 0.2rem 0 0;
  font-size: 0.8rem;
  line-height: 1.65;
  color: rgba(234, 246, 242, 0.6);
}

/* ---------- 合作方向 ---------- */
.page-contact .direction-grid {
  display: grid;
  gap: 1rem;
}

.page-contact .direction-card {
  position: relative;
  padding: 1.5rem 1.2rem 1.35rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel-ink);
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-contact .direction-card::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 3px;
  background: var(--cyan);
}

.page-contact .direction-card:nth-child(2)::before {
  background: var(--amber);
}

.page-contact .direction-card:nth-child(3)::before {
  background: var(--orange);
}

.page-contact .direction-card:nth-child(4)::before {
  background: var(--violet);
}

.page-contact .direction-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-cyan);
}

.page-contact .direction-card h3 {
  margin: 0.85rem 0 0;
  font-size: 1.06rem;
  line-height: 1.4;
  font-weight: 800;
  color: var(--mist);
}

.page-contact .direction-card p {
  margin: 0.6rem 0 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(234, 246, 242, 0.76);
}

.page-contact .direction-fit {
  margin-top: 0.9rem !important;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
  font-size: 0.78rem !important;
  letter-spacing: 0.02em;
  color: var(--slate) !important;
}

.page-contact .direction-stats {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.4rem, 3vw, 2rem);
  padding: 1.3rem 1.2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(10, 26, 47, 0.66);
}

.page-contact .stat {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.page-contact .stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-contact .stat-label {
  font-size: 0.84rem;
  color: rgba(234, 246, 242, 0.72);
}

/* ---------- 合作流程 ---------- */
.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  counter-reset: step;
}

.page-contact .flow-step {
  position: relative;
  padding: 1.35rem 1.15rem 1.4rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15, 46, 42, 0.96), rgba(10, 26, 47, 0.96));
}

.page-contact .flow-step-num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-contact .flow-step h3 {
  margin: 0.55rem 0 0;
  font-size: 1rem;
  font-weight: 800;
  color: var(--mist);
}

.page-contact .flow-step p {
  margin: 0.5rem 0 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: rgba(234, 246, 242, 0.74);
}

/* ---------- 邮件要点 ---------- */
.page-contact .contact-brief-inner {
  display: grid;
  gap: clamp(1.3rem, 3vw, 2.2rem);
}

.page-contact .brief-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .brief-list li {
  display: grid;
  gap: 0.25rem;
  padding: 0.95rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: rgba(15, 46, 42, 0.62);
}

.page-contact .brief-key {
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-contact .brief-text {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(234, 246, 242, 0.8);
}

/* ---------- 客服渠道 ---------- */
.page-contact .channels-grid {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.6rem);
  align-items: start;
}

.page-contact .channel-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .channel-list li {
  display: grid;
  gap: 0.2rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.page-contact .channel-list li:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .channel-key {
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .channel-mail {
  font-family: var(--font-mono);
  font-size: clamp(0.86rem, 2.6vw, 1.02rem);
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
}

.page-contact .channel-value {
  font-size: 0.98rem;
  color: var(--mist);
  line-height: 1.6;
}

.page-contact .contact-figure {
  margin: 0;
  display: grid;
  gap: 0.7rem;
}

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

.page-contact .contact-figure .media-caption {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 常见问题 ---------- */
.page-contact .faq-list {
  display: grid;
  gap: 0.7rem;
}

.page-contact .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(15, 46, 42, 0.66);
  overflow: hidden;
}

.page-contact .faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.15rem;
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--cyan);
}

.page-contact .faq-item[open] summary::after {
  content: "−";
}

.page-contact .faq-body {
  padding: 0 1.15rem 1.1rem;
}

.page-contact .faq-body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(234, 246, 242, 0.78);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-cta {
  position: relative;
  overflow: hidden;
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  background:
    radial-gradient(100% 90% at 88% 0%, rgba(255, 106, 42, 0.16), transparent 60%),
    radial-gradient(90% 90% at 4% 100%, rgba(77, 240, 208, 0.16), transparent 62%),
    var(--night-blue);
}

.page-contact .cta-inner {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.4rem);
  align-items: start;
}

.page-contact .cta-actions {
  display: grid;
  gap: 0.8rem;
  justify-items: start;
}

.page-contact .cta-mail {
  font-family: var(--font-mono);
  font-size: clamp(0.82rem, 2.4vw, 0.98rem);
  color: var(--mist);
  word-break: break-all;
  -webkit-user-select: all;
  user-select: all;
  background: rgba(6, 37, 31, 0.7);
  border: 1px dashed var(--line-cyan);
  border-radius: var(--pill);
  padding: 0.45rem 0.95rem;
}

.page-contact .cta-note {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  margin-top: 1.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.page-contact .cta-links .link-arrow {
  font-size: 0.86rem;
  color: var(--cyan);
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .direction-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .direction-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .stat {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-hero-inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(290px, 0.65fr);
    align-items: end;
  }

  .page-contact .flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.4rem;
  }

  .page-contact .flow-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 2.5rem;
    right: -1.4rem;
    width: 1.4rem;
    height: 1px;
    background: linear-gradient(90deg, var(--line-cyan), transparent);
  }

  .page-contact .contact-brief-inner {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .page-contact .channels-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-contact .cta-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-contact .direction-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pill,
  .page-contact .direction-card {
    transition: none;
  }

  .page-contact .pill:hover,
  .page-contact .direction-card:hover {
    transform: none;
  }
}