/* === Header 覆盖：独立页面使用完全不透明背景 === */
.page-header.scrolled {
  background-color: var(--color-primary);
}

/* === 主内容区 === */
.detail-main {
  background: var(--color-bg-white);
  min-height: 60vh;
  padding-bottom: var(--space-xl);
}

/* === 封面区 === */
.detail-cover {
  width: 100%;
  aspect-ratio: 21 / 9;
  max-height: 480px;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.detail-cover .cover-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 4rem 2rem 1.5rem;
  background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 100%);
  font-size: var(--text-xl);
  color: #fff;
  font-weight: 300;
  z-index: 1;
  pointer-events: none;
}

.detail-cover .cover-pattern {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* === 详情正文 === */
.detail-body {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg) 0;
}

.detail-tag {
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.1em;
  font-weight: 500;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.detail-title {
  font-size: var(--text-2xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.detail-client {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

/* === 指标展示 === */
.detail-metric {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
}

.detail-metric-item {
  text-align: center;
  flex: 1;
}

.detail-metric-num {
  display: block;
  font-size: var(--text-xl);
  font-weight: 700;
  font-family: var(--font-accent);
  color: var(--color-primary);
  line-height: 1.2;
}

.detail-metric-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* === 描述 === */
.detail-desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.9;
  margin-bottom: var(--space-xl);
}

/* === 详细内容（富文本） === */
.detail-html {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: 1.9;
  margin-bottom: var(--space-xl);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.detail-html img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  margin: var(--space-md) 0;
}

.detail-html h2,
.detail-html h3,
.detail-html h4 {
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-primary);
}

.detail-html p {
  margin-bottom: var(--space-md);
}

.detail-html ul,
.detail-html ol {
  margin: var(--space-md) 0;
  padding-left: 1.5em;
}

.detail-html li {
  margin-bottom: var(--space-sm);
}

.detail-html blockquote {
  border-left: 3px solid var(--color-accent);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-md) 0;
  color: var(--color-text-secondary);
  background: var(--color-bg-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.detail-html table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
}

.detail-html th,
.detail-html td {
  border: 1px solid var(--color-border);
  padding: var(--space-sm) var(--space-md);
  text-align: left;
}

.detail-html th {
  background: var(--color-bg-light);
  font-weight: 600;
}

/* === 元信息 === */
.detail-meta {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* === 底部操作 === */
.detail-actions {
  display: flex;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* === 加载/错误状态 === */
.detail-loading,
.detail-error {
  text-align: center;
  padding: var(--space-xl) 0;
}

.detail-loading {
  color: var(--color-text-light);
}

.detail-error {
  color: var(--color-text-secondary);
}

.detail-error p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-lg);
}

/* === Footer === */
.page-footer {
  height: auto;
}

/* === 微信分享悬浮按钮 === */
.share-wechat {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.share-wechat-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid rgba(64, 64, 64, 0.55);
  box-shadow:
    0 2px 6px rgba(0, 0, 0, 0.06),
    0 6px 16px rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  transition: all var(--transition-base);
}

.share-wechat-btn:hover {
  border-color: var(--color-accent);
  box-shadow:
    0 4px 12px rgba(64, 64, 64, 0.3),
    0 8px 24px rgba(64, 64, 64, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  transform: scale(1.08);
}

.share-wechat-btn:active {
  transform: scale(0.96);
}

.share-wechat-tip {
  font-size: 12px;
  color: var(--color-accent);
  text-align: center;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.share-wechat-tip.show {
  opacity: 1;
}

/* === 二维码弹窗 (PC 端) === */
.share-qr-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.share-qr-overlay.show {
  opacity: 1;
  visibility: visible;
}

.share-qr-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  max-width: 320px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.share-qr-overlay.show .share-qr-card {
  transform: translateY(0);
}

.share-qr-card .qr-img {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.share-qr-card .qr-title {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.share-qr-card .qr-desc {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.share-qr-card .qr-copy-btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-light);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  margin-bottom: var(--space-sm);
}

.share-qr-card .qr-copy-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.share-qr-card .qr-close {
  display: block;
  width: 100%;
  padding: 0.5rem;
  border: none;
  background: transparent;
  color: var(--color-text-light);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: color var(--transition-base);
}

.share-qr-card .qr-close:hover {
  color: var(--color-text-primary);
}

/* === 微信内置浏览器引导浮层 === */
.share-wechat-guide {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.share-wechat-guide.show {
  opacity: 1;
  visibility: visible;
}

.share-wechat-guide .guide-arrow {
  width: 80px;
  height: 80px;
  margin: 16px 24px 0 0;
  animation: guide-arrow-bounce 1.5s ease infinite;
}

@keyframes guide-arrow-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.share-wechat-guide .guide-text {
  color: #fff;
  font-size: var(--text-lg);
  text-align: center;
  padding: 0 var(--space-xl);
  margin-top: var(--space-md);
  line-height: 1.8;
  align-self: center;
}

.share-wechat-guide .guide-text strong {
  color: var(--color-accent);
  font-weight: 600;
}

.share-wechat-guide .guide-sub {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  text-align: center;
  margin-top: var(--space-lg);
  align-self: center;
}

/* === 响应式 === */
@media (max-width: 1000px) {
  .detail-cover {
    aspect-ratio: 16 / 9;
    max-height: 320px;
  }

  .detail-metric {
    flex-direction: column;
    gap: var(--space-md);
  }

  .detail-actions {
    flex-direction: column;
  }

  .detail-actions .btn {
    width: 100%;
    text-align: center;
  }

  .share-wechat {
    right: 16px;
    top: auto;
    bottom: 24px;
    transform: none;
  }

  .share-wechat-btn {
    width: 42px;
    height: 42px;
  }

  .share-wechat-guide .guide-arrow {
    width: 60px;
    height: 60px;
    margin: 12px 16px 0 0;
  }

  .share-wechat-guide .guide-text {
    font-size: var(--text-base);
  }
}