.page-contact {
  display: block;
  padding-top: 96px;
  padding-bottom: 40px;
  --contact-glow: rgba(43, 240, 216, 0.15);
  --contact-glow-hot: rgba(255, 90, 46, 0.16);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: 20px;
  padding-bottom: 8px;
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-contact .hero-copy h1 {
  margin: 12px 0 0;
  font-size: clamp(1.95rem, 7vw, 3.35rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--paper-100);
}

.page-contact .hero-lede {
  margin: 20px 0 0;
  max-width: 52ch;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--mist-400);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .hero-figure {
  margin: 0;
  border: 1px solid var(--line-blue);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-700);
}

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

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: end;
  }
  .page-contact .hero-figure img {
    aspect-ratio: 4 / 5;
  }
}

/* ---------- 通用区块标题 ---------- */
.page-contact .section-head {
  margin-bottom: 34px;
}

.page-contact .section-lede {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 0.98rem;
  line-height: 1.82;
  color: var(--mist-400);
}

.page-contact .num-mono {
  font-family: var(--font-mono);
}

/* ---------- 01 联系信息岛 ---------- */
.page-contact .island-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--line-blue);
  border-radius: var(--radius-card);
  background: var(--ink-700);
  overflow: hidden;
}

.page-contact .island-cell {
  position: relative;
  padding: 26px 22px 24px;
  border-top: 1px solid var(--line-blue);
  transition: background 0.35s var(--ease);
  overflow: hidden;
}

.page-contact .island-cell:first-child {
  border-top: 0;
}

.page-contact .island-cell::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 90% at 18% 0%, var(--contact-glow), transparent 64%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}

.page-contact .island-cell:hover::before,
.page-contact .island-cell:focus-within::before {
  opacity: 1;
}

.page-contact .island-value {
  position: relative;
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.6vw, 1.42rem);
  font-weight: 700;
  line-height: 1.34;
  letter-spacing: -0.01em;
  color: var(--paper-100);
  overflow-wrap: anywhere;
}

.page-contact .island-value--hot {
  color: var(--orange-500);
}

.page-contact .island-note {
  position: relative;
  margin: 14px 0 0;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--mist-400);
}

.page-contact .island-cell .copy-chip {
  position: relative;
  margin-top: 14px;
}

@media (min-width: 768px) {
  .page-contact .island-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .island-cell {
    border-top: 0;
    border-left: 1px solid var(--line-blue);
    padding: 32px 26px 30px;
  }
  .page-contact .island-cell:first-child {
    border-left: 0;
  }
}

/* ---------- 02 需求分流 ---------- */
.page-contact .route-grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-blue);
}

.page-contact .route-row {
  display: grid;
  gap: 12px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line-blue);
}

.page-contact .route-need {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-contact .route-index {
  flex: 0 0 auto;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--cyan-400);
  padding-top: 2px;
}

.page-contact .route-title {
  margin: 0;
  font-size: clamp(1.05rem, 3.4vw, 1.28rem);
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper-100);
}

.page-contact .route-path p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .route-path .route-meta {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan-700);
  font-size: 0.9rem;
  color: var(--cyan-400);
}

@media (min-width: 820px) {
  .page-contact .route-row {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 46px;
    align-items: start;
    padding: 30px 0;
  }
  .page-contact .route-path .route-meta {
    margin-top: 14px;
  }
}

/* ---------- 03 数据接入 ---------- */
.page-contact .access-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-contact .integrate-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-blue);
}

.page-contact .integrate-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-blue);
}

.page-contact .integrate-index {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--cyan-400);
}

.page-contact .integrate-step h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-100);
}

.page-contact .integrate-step p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .access-figures {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--line-blue);
  border-radius: var(--radius-card);
  background: var(--ink-700);
  overflow: hidden;
}

.page-contact .access-figure {
  padding: 20px 20px 22px;
  border-top: 1px solid var(--line-blue);
}

.page-contact .access-figure:first-child {
  border-top: 0;
}

.page-contact .access-figure-value {
  margin: 0;
  font-size: clamp(1.55rem, 5.4vw, 2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--cyan-400);
}

.page-contact .access-figure:nth-child(2) .access-figure-value {
  color: var(--amber-400);
}

.page-contact .access-figure-label {
  margin: 8px 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--mist-400);
}

@media (min-width: 900px) {
  .page-contact .access-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 52px;
    align-items: start;
  }
  .page-contact .access-figures {
    position: sticky;
    top: 112px;
  }
}

/* ---------- 04 线下联系 ---------- */
.page-contact .address-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding: 30px 22px 34px;
  border: 1px solid var(--line-blue);
  border-radius: var(--radius-card);
  background: linear-gradient(155deg, var(--ink-700) 0%, var(--ink-900) 78%);
  overflow: hidden;
}

.page-contact .address-panel::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -18%;
  width: 62%;
  height: 150%;
  background: radial-gradient(circle at center, var(--contact-glow), transparent 68%);
  pointer-events: none;
}

.page-contact .address-copy {
  position: relative;
}

.page-contact .address-intro {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--mist-400);
}

.page-contact .address-list {
  margin: 26px 0 0;
  display: grid;
  gap: 0;
}

.page-contact .address-item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line-blue);
}

.page-contact .address-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist-400);
}

.page-contact .address-value {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper-100);
  overflow-wrap: anywhere;
}

.page-contact .address-value--mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.92rem;
}

.page-contact .address-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-contact .address-svg {
  width: min(100%, 300px);
  height: auto;
  display: block;
}

.page-contact .address-pulse {
  animation: contact-pulse 3.6s var(--ease) infinite;
}

@keyframes contact-pulse {
  0%, 100% { opacity: 0.9; }
  50% { opacity: 0.18; }
}

@media (min-width: 900px) {
  .page-contact .address-panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    padding: 44px 40px 46px;
    align-items: center;
  }
}

/* ---------- 05 反馈与建议 ---------- */
.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-contact .feedback-types {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-blue);
}

.page-contact .feedback-type {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-blue);
}

.page-contact .feedback-type-name {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-500);
}

.page-contact .feedback-type-desc {
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--mist-400);
}

.page-contact .feedback-foot {
  margin: 20px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .feedback-foot .num-mono {
  color: var(--paper-100);
  font-size: 0.88rem;
  overflow-wrap: anywhere;
}

.page-contact .feedback-figure {
  margin: 0;
  border: 1px solid var(--line-blue);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-700);
}

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

.page-contact .feedback-figure .figure-caption {
  padding: 16px 18px 18px;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--mist-400);
}

@media (min-width: 900px) {
  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 52px;
    align-items: center;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .island-cell::before,
  .page-contact .address-panel::after {
    transition: none;
  }
  .page-contact .address-pulse {
    animation: none;
    opacity: 0.7;
  }
}