/* ============================================
   混合方案 E 精简版（仅保留核心）
   注意：原左侧 Tab 导航、Hero 统计条已删除，此 CSS 仅作兜底
   ============================================ */

/* ===== 三栏布局核心容器 ===== */
.hv-mixed-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 320px;
  gap: 20px;
  align-items: start;
  margin-bottom: 24px;
}

/* 中栏：内容流（防 grid 子项溢出） */
.hv-center-feed {
  min-width: 0;
  flex: 1;
}

/* 右栏：Sticky 工具面板（固定宽度） */

/* ===== 左栏 Tab 分组 ===== */
/* ===== 中栏卡片瀑布流 ===== */
.hv-waterfall-grid {
  columns: 1fr 1fr 1fr;
  column-gap: 16px;
  row-gap: 16px;
}

/* 响应式断点控制 */
@media (max-width: 1200px) {
  .hv-waterfall-grid { columns: 1fr 1fr 1fr; }
}
@media (max-width: 992px) {
  .hv-waterfall-grid { columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .hv-waterfall-grid { columns: 1fr; }
}

.hv-waterfall-card {
  break-inside: avoid;
  margin-bottom: 16px;
  background: var(--hv-bg-card);
  border: 1px solid var(--hv-border);
  border-radius: var(--hv-radius-lg);
  box-shadow: var(--hv-shadow-sm);
  transition: all .3s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
}

.hv-waterfall-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--hv-shadow-hover);
  border-color: var(--hv-primary-border);
}

.hv-waterfall-thumb {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  background: var(--hv-bg-hover);
  display: block;
}

.hv-waterfall-body {
  padding: 16px;
}

.hv-waterfall-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--hv-text-title);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hv-waterfall-card:hover .hv-waterfall-title {
  color: var(--hv-primary);
}

/* ===== 右栏 Sticky 工具面板 ===== */
.hv-tools-panel {
  background: var(--hv-bg-card);
  border: 1px solid var(--hv-border);
  border-radius: var(--hv-radius-lg);
  box-shadow: var(--hv-shadow-sm);
  overflow: hidden;
}

.hv-tools-header {
  padding: 16px 18px;
  background: linear-gradient(135deg, var(--hv-primary-bg), var(--hv-accent-bg));
  border-bottom: 1px solid var(--hv-border);
  font-size: 16px;
  font-weight: 700;
  color: var(--hv-text-title);
}

.hv-tools-content {
  padding: 18px;
}

/* ===== 左栏标签颜色 ===== */
.hv-tab-broker { color: var(--hv-primary); }
.hv-tab-article { color: var(--hv-accent-dark); }
.hv-tab-hot { color: #DC2626; }

/* ===== Hero 区域增强 ===== */
.hv-ch-head-modern {
  position: relative;
  background: linear-gradient(135deg, var(--hv-primary-dark) 0%, var(--hv-primary) 55%, var(--hv-primary-light) 100%);
  border: none;
  border-radius: var(--hv-radius-xl);
  box-shadow: 0 4px 24px rgba(15,42,67,.20);
  padding: 36px 32px 30px;
  margin-bottom: 24px;
  overflow: hidden;
}


.hv-hero-stat-item {
  padding: 4px 8px;
  border-right: 1px solid rgba(255,255,255,.12);
}

.hv-hero-stat-item:last-child {
  border-right: none;
}

.hv-hero-stat-num {
  color: #fff;
  font-size: 24px;
  font-weight: 800;
  font-family: var(--hv-font-mono);
  letter-spacing: 0.5px;
}

.hv-hero-stat-num.accent {
  color: #E8CD7E;
}

.hv-hero-stat-label {
  color: rgba(255,255,255,.65);
  font-size: 12px;
  margin-top: 6px;
  letter-spacing: 0.3px;
}

/* ===== 响应式降级 ===== */
@media (max-width: 1200px) {
  .hv-mixed-layout {
    grid-template-columns: 240px minmax(0, 1fr) 280px;
  }
}

@media (max-width: 992px) {
  /* Tablet 开始单栏化 */
  .hv-mixed-layout {
    grid-template-columns: 1fr;
  }
  
  
  .hv-center-feed {
    order: 1;
  }
  
  /* Hero 统计条改为 2x2 网格 */
  
  .hv-hero-stat-item:nth-child(5) {
    border-right: none;
  }
  
  .hv-hero-stat-item:nth-child(1),
  .hv-hero-stat-item:nth-child(2) {
    border-bottom: 1px solid rgba(255,255,255,.12);
    padding-bottom: 12px;
  }
  
  .hv-hero-stat-item:nth-child(3),
  .hv-hero-stat-item:nth-child(4) {
    padding-top: 12px;
  }
}

@media (max-width: 768px) {
  /* Mobile: 完全垂直堆叠 */
  .hv-waterfall-grid {
    columns: 1fr !important;
  }
  
  
  .hv-hero-stat-item:nth-child(3) {
    border-right: none;
  }
  
  .hv-hero-stat-item:nth-child(1),
  .hv-hero-stat-item:nth-child(2) {
    border-bottom: 1px solid rgba(255,255,255,.12);
    padding-bottom: 12px;
  }
  
  .hv-hero-stat-item:nth-child(3),
  .hv-hero-stat-item:nth-child(4) {
    padding-top: 12px;
  }
  
  .hv-hero-stat-item:nth-child(5) {
    padding-top: 12px;
  }
  
  /* Tab 分组改为水平胶囊 */
  
  .hv-ch-tab-group {
    flex-direction: row;
    overflow-x: auto;
    gap: 8px;
    padding: 8px;
    white-space: nowrap;
  }
  
  .hv-ch-tab-item {
    padding: 10px 14px;
    font-size: 14px;
    white-space: nowrap;
    border-bottom: none;
    border-left: 3px solid transparent;
  }
}

/* ===== 瀑布流卡片完整样式 ===== */
.hv-waterfall-grid {
  columns: 1fr 1fr 1fr;
  column-gap: 16px;
  row-gap: 16px;
}

.hv-wf-card {
  break-inside: avoid;
  margin-bottom: 16px;
  background: var(--hv-bg-card);
  border: 1px solid var(--hv-border);
  border-radius: var(--hv-radius-lg);
  box-shadow: var(--hv-shadow-sm);
  transition: all .3s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
  position: relative;
  text-decoration: none;
  color: inherit;
  display: block;
}

.hv-wf-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg,var(--hv-primary),var(--hv-accent));
  opacity: 0;
  transition: opacity .3s;
}

.hv-wf-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--hv-shadow-hover);
  border-color: var(--hv-primary-border);
}

.hv-wf-card:hover::before { opacity: 1; }

/* 带图卡片 */
.hv-wf-card.has-thumb .hv-wf-thumb-link {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.hv-wf-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--hv-bg-hover);
  transition: transform .35s ease;
}

.hv-wf-card:hover .hv-wf-thumb { transform: scale(1.08); }

.hv-wf-thumb-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(0,0,0,.3), transparent);
  pointer-events: none;
  transition: opacity .25s;
}

.hv-wf-card:hover .hv-wf-thumb-link::after { opacity: 1; }

/* 分类标签 */
.hv-wf-cat {
  display: inline-block;
  font-size: 11px;
  color: var(--hv-primary);
  padding: 2px 8px;
  border-radius: var(--hv-radius-full);
  background: var(--hv-primary-bg);
  border: 1px solid var(--hv-primary-border);
  margin-bottom: 8px;
  font-weight: 600;
  transition: all .2s;
}

.hv-wf-card:hover .hv-wf-cat {
  background: var(--hv-primary);
  color: #fff;
  border-color: var(--hv-primary);
}

/* 标题 */
.hv-wf-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--hv-text-title);
  margin: 0 0 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s;
}

.hv-wf-card:hover .hv-wf-title a { color: var(--hv-primary); }

/* 摘要 */
.hv-wf-summary {
  font-size: 13px;
  color: var(--hv-text-muted);
  margin: 0 0 12px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

/* Meta */
.hv-wf-meta {
  font-size: 11px;
  color: var(--hv-text-muted);
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--hv-border-light);
}

/* 精选徽章 */
.hv-wf-card.featured::before {
  background: linear-gradient(90deg,#E8CD7E,var(--hv-accent));
}

.hv-wf-card.featured::after {
  content: '精选';
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 3px 12px;
  background: linear-gradient(135deg,var(--hv-accent),var(--hv-accent-dark));
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--hv-radius-full);
  box-shadow: 0 2px 8px rgba(201,168,76,.4);
  z-index: 2;
  letter-spacing: 1px;
}

/* 无图卡片 */
.hv-wf-card.no-thumb {
  padding: 20px;
}

@media (max-width: 1200px) {
  .hv-waterfall-grid { columns: 1fr 1fr 1fr; }
}
@media (max-width: 992px) {
  .hv-waterfall-grid { columns: 1fr 1fr; }
}

/* ===== 左栏 Tab 分组 ===== */

.hv-ch-tab-group {
  display: flex;
  flex-direction: column;
}

.hv-ch-tab-item {
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--hv-text-body);
  cursor: pointer;
  transition: all .25s cubic-bezier(.4,0,.2,1);
  border-bottom: 1px solid var(--hv-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.hv-ch-tab-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--hv-primary);
  transform: scaleY(0);
  transition: transform .3s ease;
}

.hv-ch-tab-item:last-child { border-bottom: none; }
.hv-ch-tab-item:hover { background: var(--hv-primary-bg); color: var(--hv-primary); padding-left: 22px; }
.hv-ch-tab-item.active {
  background: linear-gradient(90deg, var(--hv-primary-bg), transparent);
  color: var(--hv-primary);
  font-weight: 700;
}
.hv-ch-tab-item.active::before { transform: scaleY(1); }
.hv-ch-tab-item .hv-badge-count {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: var(--hv-radius-full);
  background: var(--hv-danger-bg);
  color: var(--hv-danger);
  font-weight: 700;
}

/* ===== 右栏 Sticky 工具面板 ===== */
.hv-tools-panel {
  background: var(--hv-bg-card);
  border: 1px solid var(--hv-border);
  border-radius: var(--hv-radius-lg);
  box-shadow: var(--hv-shadow-sm);
  margin-bottom: 16px;
  overflow: hidden;
}

.hv-tools-header {
  padding: 14px 18px;
  background: linear-gradient(135deg, var(--hv-primary-bg), var(--hv-accent-bg));
  border-bottom: 1px solid var(--hv-border);
  font-size: 15px;
  font-weight: 700;
  color: var(--hv-text-title);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hv-tools-content {
  padding: 16px;
}

/* 热门排行 */
.hv-ranking-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hv-ranking-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--hv-border-light);
  text-decoration: none;
  color: inherit;
  transition: all .2s;
}

.hv-ranking-item:last-child { border-bottom: none; }
.hv-ranking-item:hover {
  padding-left: 4px;
  color: var(--hv-primary);
}

.hv-ranking-num {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--hv-bg-hover);
  color: var(--hv-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  transition: all .2s;
}

.hv-ranking-item:nth-child(1) .hv-ranking-num {
  background: linear-gradient(135deg,var(--hv-danger),#DC2626);
  color: #fff;
}

.hv-ranking-item:nth-child(2) .hv-ranking-num {
  background: linear-gradient(135deg,var(--hv-accent),var(--hv-accent-dark));
  color: #fff;
}

.hv-ranking-item:nth-child(3) .hv-ranking-num {
  background: linear-gradient(135deg,#F59E0B,#D97706);
  color: #fff;
}

.hv-ranking-title {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--hv-text-body);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}

/* 迷你计算器 */
.hv-mini-calc {
  background: linear-gradient(135deg,var(--hv-primary-bg),var(--hv-accent-bg));
  border: 1px solid var(--hv-primary-border);
  border-radius: var(--hv-radius-md);
  padding: 14px;
  text-align: center;
}

.hv-mini-calc-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.hv-mini-calc input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--hv-border);
  border-radius: var(--hv-radius-sm);
  font-size: 13px;
  background: #fff;
  outline: none;
}

.hv-mini-calc input:focus {
  border-color: var(--hv-primary);
  box-shadow: 0 0 0 3px var(--hv-primary-bg);
}

.hv-mini-calc-btn {
  width: 100%;
  padding: 8px;
  background: linear-gradient(135deg,var(--hv-primary),var(--hv-primary-light));
  color: #fff;
  border: none;
  border-radius: var(--hv-radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s;
}

.hv-mini-calc-btn:hover {
  background: linear-gradient(135deg,var(--hv-primary-dark),var(--hv-primary));
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(27,58,95,.25);
}

/* 风险提示小卡 */
.hv-risk-tip {
  background: linear-gradient(90deg,#FEF3C7,#FEE2E2);
  border: 1px solid var(--hv-accent-border);
  border-left: 3px solid var(--hv-danger);
  border-radius: var(--hv-radius-md);
  padding: 12px 14px;
  font-size: 12px;
  color: #92400E;
}

/* ===== 自动加载哨兵 ===== */
.hv-wf-sentinel {
  text-align: center;
  padding: 24px;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hv-wf-sentinel-icon {
  width: 40px;
  height: 40px;
  border: 3px solid var(--hv-border);
  border-top-color: var(--hv-primary);
  border-radius: 50%;
  animation: hv-pulse .8s ease-in-out infinite;
}

@keyframes hv-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.7; }
}

/* ===== 移动端 Touch 增强 ===== */
@media (max-width: 768px) {
  /* Tab 条吸顶 */
  .hv-ch-tab-group {
    position: sticky;
    top: 60px;
  }
  
  /* Tab 变为胶囊横滑 */
  .hv-ch-tab-group {
    flex-direction: row;
    overflow-x: auto;
    gap: 8px;
    padding: 8px;
    white-space: nowrap;
    scroll-snap-type: x mandatory;
  }
  
  .hv-ch-tab-item {
    white-space: nowrap;
    border-left: 3px solid transparent;
    border-bottom: none;
    scroll-snap-align: start;
  }
  
  .hv-ch-tab-item.active::before { transform: scaleX(1); left: 0; }
}