/* ============================================================
   百数官网 · 功能总览页样式（features.html）
   依赖：feature.css（沿用 ft-hero / ft-section 基础区块）
   布局：单页承载全部功能介绍，按四大板块分区，左右分栏交替展示
   ============================================================ */

/* ---------- 经典布局：左分类导航 + 右内容 ---------- */
.baishu .content .fe-wrap {
  display: flex;
  align-items: flex-start;
  margin-top: 5.8125rem; /* 固定导航栏高度 */
  padding-top: 2.5rem;
  padding-bottom: 3.125rem;
}
/* 左侧分类导航 */
.baishu .content .fe-side {
  width: 15rem;
  flex: none;
  position: sticky;
  top: 5.8125rem;
  background: #F8FAFF;
  border-radius: 0.5rem;
  padding: 0.75rem;
}
.baishu .content .fe-side .fe-side-head {
  display: flex;
  align-items: center;
  padding: 0.625rem 0.875rem 1rem;
}
.baishu .content .fe-side .fe-side-ico {
  width: 2rem;
  height: 2rem;
  line-height: 2rem;
  border-radius: 0.4375rem;
  text-align: center;
  background: linear-gradient(135deg, #0265FF 0%, #2F54EB 100%);
  margin-right: 0.625rem;
  flex: none;
}
.baishu .content .fe-side .fe-side-ico i {
  font-size: 1rem;
  color: #FFFFFF;
}
.baishu .content .fe-side .fe-side-title {
  font-size: 1rem;
  font-weight: bold;
  color: #333333;
}
.baishu .content .fe-side .fe-side-head .fe-side-sub {
  display: block;
  font-size: 0.6875rem;
  color: #999999;
  margin-top: 0.125rem;
}
/* 分组分隔：第二个板块分组 */
.baishu .content .fe-side .fe-side-head-divider {
  margin-top: 0.75rem;
  border-top: 1px solid #EEF1F7;
  padding-top: 0.875rem;
}
/* 目录列表 */
.baishu .content .fe-side ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.baishu .content .fe-side li a {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0.875rem 0.875rem 0.875rem 3rem;
  border-radius: 0.375rem;
  color: #666666;
  transition: all 0.3s;
  margin-bottom: 0.25rem;
}
.baishu .content .fe-side li a i {
  position: absolute;
  left: 0.875rem;
  top: 1rem;
  font-size: 1rem;
}
.baishu .content .fe-side li a em {
  font-style: normal;
  font-size: 0.6875rem;
  color: #999999;
  margin-top: 0.1875rem;
  line-height: 1.125rem;
}
.baishu .content .fe-side li a:hover {
  color: #0265FF;
  background: rgba(2, 101, 255, 0.04);
}
.baishu .content .fe-side li a.active {
  background: #FFFFFF;
  color: #0265FF;
  font-weight: 500;
  box-shadow: 0 0.25rem 1rem rgba(2, 101, 255, 0.1);
}
.baishu .content .fe-side li a.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.875rem;
  bottom: 0.875rem;
  width: 0.1875rem;
  border-radius: 0.09375rem;
  background: #0265FF;
}
.baishu .content .fe-side li a.active em,
.baishu .content .fe-side li a:hover em {
  color: #0265FF;
  opacity: 0.75;
}
/* 底部引导卡 */
.baishu .content .fe-side .fe-side-cta {
  margin: 1rem 0.875rem 0.5rem;
  padding: 1.125rem 1.25rem;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, #0265FF 0%, #2F54EB 100%);
  box-shadow: 0 0.5rem 1.25rem rgba(2, 101, 255, 0.25);
}
.baishu .content .fe-side .fe-side-cta p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 0.625rem;
}
.baishu .content .fe-side .fe-side-cta a {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 500;
  color: #FFFFFF;
}
.baishu .content .fe-side .fe-side-cta a i {
  font-size: 0.75rem;
  margin-left: 0.375rem;
  transform: rotate(-90deg);
  transition: transform 0.3s;
}
.baishu .content .fe-side .fe-side-cta a:hover i {
  transform: rotate(-90deg) translateX(2px);
}

/* 右侧内容区 */
.baishu .content .fe-main {
  flex: 1;
  min-width: 0;
  padding-left: 2.5rem;
}
.baishu .content .fe-panel {
  padding-bottom: 3rem;
  margin-bottom: 3rem;
  border-bottom: 1px dashed #E8EEFF;
}
.baishu .content .fe-panel:last-child {
  border-bottom: none;
  margin-bottom: 0;
}
.baishu .content .fe-panel.show {
  display: block;
}
.baishu .content .fe-panel .fe-panel-head {
  display: flex;
  align-items: baseline;
  margin-bottom: 1.75rem;
}
.baishu .content .fe-panel .fe-panel-head h3 {
  font-size: 1.375rem;
  font-weight: bold;
  color: #333333;
  margin: 0;
}
.baishu .content .fe-panel .fe-panel-head .fe-panel-desc {
  font-size: 0.875rem;
  color: #999999;
  margin: 0 0 0 1rem;
}

/* 2×4 紧凑功能条目 */
.baishu .content .fe-entries {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.baishu .content .fe-entry,
.baishu .content .fe-panel {
  scroll-margin-top: 6.5rem; /* 锚点跳转避开固定导航栏 */
}
.baishu .content .fe-entry:target {
  border-color: #0265FF;
  box-shadow: 0 0.5rem 1.5rem rgba(2, 101, 255, 0.15);
}
.baishu .content .fe-entry {
  display: flex;
  align-items: flex-start;
  background: #FFFFFF;
  border: 1px solid #EFF3FB;
  border-radius: 0.5rem;
  padding: 1.5rem 1.625rem;
  transition: all 0.3s ease;
}
.baishu .content .fe-entry:hover {
  border-color: color-mix(in srgb, var(--card, #0265FF) 45%, #FFFFFF);
  box-shadow: 0 0.5rem 1.5rem rgba(2, 101, 255, 0.1);
  transform: translateY(-2px);
}
.baishu .content .fe-entry .fe-entry-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.625rem;
  height: 2.625rem;
  border-radius: 0.5625rem;
  background: rgba(2, 101, 255, 0.08); /* 旧浏览器降级 */
  background: color-mix(in srgb, var(--card, #0265FF) 10%, #FFFFFF);
  margin-right: 0.875rem;
  flex: none;
}
.baishu .content .fe-entry .fe-entry-chip i {
  font-size: 1.25rem;
  color: var(--card, #0265FF);
}
.baishu .content .fe-entry .fe-entry-body {
  min-width: 0;
}
.baishu .content .fe-entry .fe-entry-body h5 {
  display: flex;
  align-items: center;
  font-size: 1rem;
  font-weight: bold;
  color: #333333;
  margin: 0 0 0.5rem;
}
.baishu .content .fe-entry .fe-entry-body h5 .fe-entry-tag {
  font-size: 0.6875rem;
  font-weight: normal;
  color: var(--card, #0265FF);
  background: rgba(2, 101, 255, 0.06);
  border-radius: 1rem;
  padding: 0.125rem 0.5625rem;
  margin-left: 0.625rem;
}
.baishu .content .fe-entry .fe-entry-body p {
  font-size: 0.8125rem;
  color: #666666;
  line-height: 1.625rem;
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) and (max-width: 991px) {
  .baishu .content .fe-wrap {
    flex-direction: column;
  }
  .baishu .content .fe-side {
    width: 100%;
    position: sticky;
    top: 4.5rem;
    z-index: 30;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    padding: 0.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 0.25rem 0.75rem rgba(2, 101, 255, 0.08);
  }
  .baishu .content .fe-side .fe-side-head {
    padding: 0.5rem 0.75rem;
  }
  .baishu .content .fe-side ul {
    display: flex;
    flex-wrap: wrap;
  }
  .baishu .content .fe-side li a {
    flex-direction: row;
    align-items: center;
    padding: 0.5rem 0.875rem;
  }
  .baishu .content .fe-side li a i {
    position: static;
    margin-right: 0.375rem;
    top: auto;
  }
  .baishu .content .fe-side li a em {
    display: none;
  }
  .baishu .content .fe-side li a.active::before {
    display: none;
  }
  .baishu .content .fe-main {
    padding-left: 0;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .baishu .content .fe-wrap {
    flex-direction: column;
    padding-top: 1.5rem;
  }
  .baishu .content .fe-side {
    width: 100%;
    position: sticky;
    top: 4.5rem;
    z-index: 30;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    padding: 0.5rem;
    margin-bottom: 1.25rem;
    box-shadow: 0 0.25rem 0.75rem rgba(2, 101, 255, 0.08);
  }
  .baishu .content .fe-side .fe-side-head,
  .baishu .content .fe-side .fe-side-cta {
    display: none;
  }
  .baishu .content .fe-side ul {
    display: flex;
    flex-wrap: wrap;
  }
  .baishu .content .fe-side li a {
    flex-direction: row;
    align-items: center;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
  }
  .baishu .content .fe-side li a i {
    position: static;
    margin-right: 0.375rem;
    top: auto;
  }
  .baishu .content .fe-side li a em {
    display: none;
  }
  .baishu .content .fe-side li a.active::before {
    display: none;
  }
  .baishu .content .fe-main {
    padding-left: 0;
    width: 100%;
  }
  .baishu .content .fe-entries {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .baishu .content .fe-entry {
    padding: 1rem 1.125rem;
  }
}

/* 手机小屏：≤480px */
@media (max-width: 480px) {
  .baishu .content .fe-wrap {
    padding-top: 1rem;
    padding-bottom: 2rem;
  }
  .baishu .content .fe-side {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 0.375rem;
    margin-bottom: 1rem;
    gap: 0.25rem;
  }
  .baishu .content .fe-side::-webkit-scrollbar {
    display: none;
  }
  .baishu .content .fe-side ul {
    flex-wrap: nowrap;
    gap: 0.25rem;
  }
  .baishu .content .fe-side li a {
    padding: 0.375rem 0.625rem;
    font-size: 0.8125rem;
    white-space: nowrap;
    margin-bottom: 0;
  }
  .baishu .content .fe-side li a i {
    font-size: 0.875rem;
    margin-right: 0.25rem;
  }
  .baishu .content .fe-panel {
    padding-bottom: 2rem;
    margin-bottom: 2rem;
  }
  .baishu .content .fe-panel .fe-panel-head {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 1.25rem;
  }
  .baishu .content .fe-panel .fe-panel-head .fe-panel-desc {
    margin: 0.375rem 0 0;
    font-size: 0.8125rem;
  }
  .baishu .content .fe-entries {
    gap: 0.625rem;
  }
  .baishu .content .fe-entry {
    padding: 0.875rem 1rem;
  }
  .baishu .content .fe-entry .fe-entry-chip {
    width: 2.25rem;
    height: 2.25rem;
    margin-right: 0.625rem;
  }
  .baishu .content .fe-entry .fe-entry-chip i {
    font-size: 1rem;
  }
  .baishu .content .fe-entry .fe-entry-body h5 {
    font-size: 0.9375rem;
    margin-bottom: 0.375rem;
  }
  .baishu .content .fe-entry .fe-entry-body h5 .fe-entry-tag {
    font-size: 0.625rem;
    padding: 0.0625rem 0.4375rem;
    margin-left: 0.375rem;
  }
  .baishu .content .fe-entry .fe-entry-body p {
    font-size: 0.75rem;
    line-height: 1.375rem;
  }
}

/* 手机超小屏：≤375px */
@media (max-width: 375px) {
  .baishu .content .fe-side li a {
    padding: 0.3125rem 0.5rem;
    font-size: 0.75rem;
  }
  .baishu .content .fe-entry {
    padding: 0.75rem 0.875rem;
  }
  .baishu .content .fe-entry .fe-entry-chip {
    width: 2rem;
    height: 2rem;
  }
  .baishu .content .fe-entry .fe-entry-body h5 {
    font-size: 0.875rem;
  }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .baishu .content .fe-entry {
    transition: none;
  }
}