.page-contact {
  --contact-glow: rgba(15, 174, 134, .16);
  --contact-grid: rgba(56, 245, 198, .07);
  --contact-panel: rgba(14, 42, 32, .92);
  display: block;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏通讯面板 ---------- */

.page-contact .contact-deck {
  position: relative;
  overflow: hidden;
  padding-top: clamp(18px, 3.2vw, 38px);
}

.page-contact .contact-deck::before {
  content: "";
  position: absolute;
  inset: -12% -8% 24%;
  background:
    radial-gradient(52% 62% at 78% 10%, var(--contact-glow), transparent 68%),
    repeating-linear-gradient(90deg, var(--contact-grid) 0 1px, transparent 1px 88px);
  pointer-events: none;
}

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

.page-contact .contact-deck__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

@media (min-width: 980px) {
  .page-contact .contact-deck__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    align-items: start;
  }
}

.page-contact .contact-lines {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3.2vw, 38px);
}

.page-contact .contact-line {
  display: block;
  padding: clamp(16px, 2.2vw, 24px) clamp(18px, 2.4vw, 28px);
  border: 2px solid var(--line-cyan);
  border-left-width: 6px;
  border-radius: var(--radius-card);
  background: linear-gradient(120deg, var(--contact-panel), rgba(6, 20, 15, .82));
  box-shadow: var(--shadow-card);
  text-decoration: none;
  transition: border-color .28s var(--ease), transform .28s var(--ease), box-shadow .28s var(--ease);
}

.page-contact .contact-line:hover,
.page-contact .contact-line:focus-visible {
  border-color: var(--c-cyan);
  transform: translateX(6px);
  box-shadow: var(--shadow-deep);
  outline: none;
}

.page-contact .contact-line--phone {
  border-color: var(--line-soft);
  border-left-color: var(--c-hot);
}

.page-contact .contact-line--phone:hover,
.page-contact .contact-line--phone:focus-visible {
  border-color: var(--line-hot);
}

.page-contact .contact-line__key {
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--c-rock);
  text-transform: uppercase;
}

.page-contact .contact-line__value {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 3.6vw, 1.7rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--c-cream);
  word-break: break-all;
}

.page-contact .contact-line--phone .contact-line__value {
  color: var(--c-cyan);
}

.page-contact .contact-line__hint {
  display: block;
  margin-top: 10px;
  font-size: .84rem;
  line-height: 1.68;
  color: var(--c-rock);
}

.page-contact .contact-deck__side {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-contact .contact-deck__figure {
  margin: 0;
}

.page-contact .contact-deck__figure .figure__media {
  overflow: hidden;
  border: 2px solid var(--line-soft);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-deep);
}

.page-contact .contact-deck__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact .address-card {
  padding: clamp(18px, 2.4vw, 26px);
  border: 2px solid var(--line-soft);
  border-left-width: 6px;
  border-left-color: var(--c-clay);
  border-radius: var(--radius-card);
  background: var(--c-panel);
  box-shadow: var(--shadow-card);
}

.page-contact .address-card__label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--c-rock);
  text-transform: uppercase;
}

.page-contact .address-card__value {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.6vw, 1.32rem);
  line-height: 1.6;
  color: var(--c-cream);
}

/* ---------- 章节导航间距 ---------- */

.page-contact .chapter-nav {
  margin-top: clamp(28px, 4vw, 52px);
  margin-bottom: clamp(8px, 2vw, 20px);
}

/* ---------- 反馈流程 ---------- */

.page-contact .flow-track {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.2vw, 22px);
}

@media (min-width: 780px) {
  .page-contact .flow-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .flow-step {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  border: 2px solid var(--line-soft);
  border-radius: var(--radius-card);
  background: var(--c-panel);
  box-shadow: var(--shadow-card);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-contact .flow-step::after {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  width: 72px;
  height: 4px;
  background: var(--c-cyan);
}

.page-contact .flow-step:last-child {
  border-color: var(--line-hot);
}

.page-contact .flow-step:last-child::after {
  background: var(--c-hot);
}

.page-contact .flow-step:hover {
  border-color: var(--c-cyan);
  transform: translateY(-4px);
}

.page-contact .flow-step:last-child:hover {
  border-color: var(--c-hot);
}

.page-contact .flow-step__index {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.4vw, 2.9rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--c-cyan);
}

.page-contact .flow-step:last-child .flow-step__index {
  color: var(--c-hot);
}

.page-contact .flow-step__title {
  margin: 14px 0 8px;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--c-cream);
}

.page-contact .flow-step__text {
  margin: 0;
  font-size: .94rem;
  line-height: 1.76;
  color: var(--c-rock);
}

/* ---------- 合作与纠错 ---------- */

.page-contact .contact-coop__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
}

@media (min-width: 900px) {
  .page-contact .contact-coop__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

.page-contact .contact-coop__figure {
  margin: clamp(24px, 3vw, 36px) 0 0;
}

.page-contact .contact-coop__figure .figure__media {
  overflow: hidden;
  border: 2px solid var(--line-soft);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

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

.page-contact .contact-coop__figure .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: .74rem;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--c-rock);
}

.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .coop-item {
  padding: clamp(16px, 2.1vw, 22px);
  border: 2px solid var(--line-soft);
  border-radius: var(--radius-card);
  background: linear-gradient(150deg, rgba(14, 42, 32, .78), rgba(6, 20, 15, .55));
  transition: border-color .3s var(--ease);
}

.page-contact .coop-item:hover {
  border-color: var(--c-clay);
}

.page-contact .coop-item__title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  color: var(--c-cream);
}

.page-contact .coop-item__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.74;
  color: var(--c-rock);
}

/* ---------- 常见场景 ---------- */

.page-contact .scene-list {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
}

@media (min-width: 760px) {
  .page-contact .scene-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .scene-item {
  padding: clamp(18px, 2.2vw, 24px);
  border: 2px solid var(--line-soft);
  border-radius: var(--radius-card);
  background: var(--c-bg);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-contact .scene-item:hover {
  border-color: var(--c-cyan);
  transform: translateY(-3px);
}

.page-contact .scene-item .tag {
  display: inline-block;
  vertical-align: middle;
}

.page-contact .scene-item__title {
  margin: 12px 0 8px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.5;
  color: var(--c-cream);
}

.page-contact .scene-item__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.74;
  color: var(--c-rock);
}

/* ---------- 备案信息 ---------- */

.page-contact .contact-legal__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(22px, 3vw, 36px);
}

@media (min-width: 860px) {
  .page-contact .contact-legal__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
    align-items: center;
  }
}

.page-contact .contact-legal__text {
  margin: 12px 0 0;
  font-size: .95rem;
  line-height: 1.76;
  color: var(--c-rock);
}

.page-contact .legal-facts {
  margin: 0;
  display: grid;
  gap: 4px;
}

.page-contact .legal-facts__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .legal-facts__row:last-child {
  border-bottom: none;
}

.page-contact .legal-facts dt {
  flex: 0 0 auto;
  min-width: 84px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--c-rock);
  text-transform: uppercase;
}

.page-contact .legal-facts dd {
  margin: 0;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--c-cream);
  word-break: break-all;
}

/* ---------- 动效收敛 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-line,
  .page-contact .flow-step,
  .page-contact .coop-item,
  .page-contact .scene-item {
    transition: none;
  }

  .page-contact .contact-line:hover,
  .page-contact .contact-line:focus-visible {
    transform: none;
  }

  .page-contact .flow-step:hover,
  .page-contact .scene-item:hover {
    transform: none;
  }
}