/* =========================
下载Banner覆盖开始
========================= */
.xiazai-banner-bei {background-image:url('../assets/downbanner.jpg');}
/* =========================
下载Banner覆盖结束
========================= */

/* =========================
下载主内容开始
========================= */
.xiazai-neirong {background:#ffffff;padding:100px 72px 120px;}
.xiazai-neirong-neicong {max-width:1776px;margin:0 auto;display:flex;align-items:flex-start;gap:72px;}
/* =========================
下载主内容结束
========================= */

/* =========================
下载左侧边栏开始
========================= */
.xiazai-cebianlan {flex-shrink:0;width:390px;display:flex;flex-direction:column;gap:120px;}
.xiazai-cebianlan-tobu {display:flex;flex-direction:column;gap:20px;}
.xiazai-cebianlan-biaoti {font-size:54px;font-weight:700;color:#0050b0;line-height:1.0;letter-spacing:-1px;}
.xiazai-cebianlan-miaoshu {font-size:16px;color:#191b22;line-height:1.5;}
/* =========================
下载左侧边栏结束
========================= */

/* =========================
下载分类导航开始
========================= */
.xiazai-leixing-daohang {display:flex;flex-direction:column;gap:36px;}
.xiazai-leixing-xiang {display:flex;flex-direction:column;gap:11px;text-decoration:none;cursor:pointer;opacity:0.4;transition:opacity 0.3s ease;}
.xiazai-leixing-xiang--active {opacity:1;}
.xiazai-leixing-xiang:hover {opacity:0.75;}
.xiazai-leixing-xiang--active:hover {opacity:1;}
.xiazai-leixing-xian {display:block;height:6px;width:24px;background:#c2c6d4;border-radius:3px;transition:width 0.3s ease,background 0.3s ease;}
.xiazai-leixing-xiang--active .xiazai-leixing-xian {width:48px;background:#0050b0;}
.xiazai-leixing-mingcheng {font-size:21px;color:#424752;letter-spacing:2.1px;line-height:30px;transition:color 0.3s ease;}
.xiazai-leixing-xiang--active .xiazai-leixing-mingcheng {color:#191b22;}
.xiazai-leixing-xiang:hover .xiazai-leixing-mingcheng {color:#191b22;}
/* =========================
下载分类导航结束
========================= */

/* =========================
下载右侧列表区开始
========================= */
.xiazai-liebiao-qu {flex:1;min-width:0;background:#f2f5f9;height:936px;overflow:hidden;display:flex;flex-direction:column;}
.xiazai-liebiao {list-style:none;margin:0;padding:60px 72px;height:100%;overflow-y:auto;display:flex;flex-direction:column;gap:10px;scrollbar-width:thin;scrollbar-color:#c2c6d4 #f2f5f9;}
.xiazai-liebiao::-webkit-scrollbar {width:6px;}
.xiazai-liebiao::-webkit-scrollbar-track {background:#f2f5f9;}
.xiazai-liebiao::-webkit-scrollbar-thumb {background:#c2c6d4;border-radius:3px;}
.xiazai-liebiao::-webkit-scrollbar-thumb:hover {background:#0050b0;}
/* =========================
下载右侧列表区结束
========================= */

/* =========================
下载列表条目开始
========================= */
.xiazai-liebiao-tiao {background:#ffffff;border-left:6px solid transparent;border-radius:3px;padding:24px 36px 24px 42px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-shrink:0;transition:border-color 0.25s ease,box-shadow 0.25s ease,background 0.25s ease;}
.xiazai-liebiao-tiao:hover {border-left-color:#0050b0;box-shadow:0 4px 20px rgba(0,80,176,0.08);background:#fafbff;}
.xiazai-liebiao-tiao--hidden {display:none;}

/* 左侧：图标 + 文件信息 */
.xiazai-liebiao-zuoce {display:flex;align-items:center;gap:36px;min-width:0;flex:1;}
.xiazai-liebiao-tubiao-kuang {width:45px;height:45px;background:#eeeef0;border-radius:2px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background 0.25s ease;}
.xiazai-liebiao-tiao:hover .xiazai-liebiao-tubiao-kuang {background:#e0e6f5;}
.xiazai-liebiao-tubiao {font-size:18px;color:#0050b0;}
.xiazai-liebiao-wenjian {display:flex;flex-direction:column;gap:2px;min-width:0;flex:1;}
.xiazai-liebiao-mingcheng {font-size:20px;color:#191b22;line-height:1.5;word-break:break-word;display:block;}
.xiazai-liebiao-riqi {font-size:14px;color:#424752;line-height:24px;display:block;white-space:nowrap;}

/* 右侧：编号 + 下载按钮 */
.xiazai-liebiao-youce {display:flex;align-items:center;gap:48px;flex-shrink:0;}
.xiazai-liebiao-bianhao {font-size:14px;color:#737784;line-height:24px;white-space:nowrap;}
.xiazai-liebiao-anniu {display:flex;align-items:center;gap:12px;text-decoration:none;border-bottom:3px solid rgba(0,58,131,0.2);padding-bottom:9px;transition:border-color 0.25s ease;}
.xiazai-liebiao-anniu:hover {border-bottom-color:#003a83;}
.xiazai-liebiao-anniu-tubiao {font-size:14px;color:#003a83;}
.xiazai-liebiao-anniu span {font-size:18px;color:#003a83;line-height:24px;white-space:nowrap;font-weight:400;}
/* =========================
下载列表条目结束
========================= */

/* =========================
下载页响应式开始
========================= */

/* 大屏幕 1400px */
@media (max-width:1400px) {
  .xiazai-neirong {padding:100px 60px 120px;}
  .xiazai-cebianlan-biaoti {font-size:44px;}
  .xiazai-liebiao {padding:48px 56px;}
  .xiazai-liebiao-tiao {padding:22px 28px 22px 36px;}
}

/* 中等屏幕 1200px：侧边栏收窄，隐藏文档编号，减小 gap */
@media (max-width:1200px) {
  .xiazai-neirong {padding:80px 48px 100px;}
  .xiazai-neirong-neicong {gap:48px;}
  .xiazai-cebianlan {width:280px;gap:60px;}
  .xiazai-cebianlan-biaoti {font-size:36px;}
  .xiazai-cebianlan-miaoshu {font-size:15px;}
  .xiazai-leixing-mingcheng {font-size:18px;letter-spacing:1.5px;}
  .xiazai-liebiao-qu {height:820px;}
  .xiazai-liebiao {padding:40px 40px;}
  .xiazai-liebiao-tiao {padding:20px 24px 20px 28px;gap:12px;}
  .xiazai-liebiao-zuoce {gap:20px;}
  .xiazai-liebiao-youce {gap:24px;}
  .xiazai-liebiao-bianhao {display:none;}
  .xiazai-liebiao-mingcheng {font-size:18px;}
}

/* 平板 960px：侧边栏改为纵向全宽，列表铺满 */
@media (max-width:960px) {
  .xiazai-neirong {padding:70px 40px 90px;}
  .xiazai-neirong-neicong {flex-direction:column;gap:36px;}
  .xiazai-cebianlan {width:100%;flex-direction:column;gap:28px;}
  .xiazai-cebianlan-biaoti {font-size:32px;}
  .xiazai-leixing-daohang {flex-direction:row;flex-wrap:wrap;gap:16px 36px;}
  .xiazai-leixing-xiang {flex-direction:row;align-items:center;gap:10px;}
  .xiazai-leixing-xian {height:4px;width:16px !important;flex-shrink:0;}
  .xiazai-leixing-xiang--active .xiazai-leixing-xian {width:28px !important;}
  .xiazai-leixing-mingcheng {font-size:15px;letter-spacing:1.5px;line-height:1.4;}
  .xiazai-liebiao-qu {height:580px;width:100%;}
  .xiazai-liebiao {padding:32px 32px;}
  .xiazai-liebiao-tiao {padding:18px 20px 18px 24px;}
}

/* 小平板 768px：进一步缩小内边距 */
@media (max-width:768px) {
  .xiazai-neirong {padding:60px 28px 80px;}
  .xiazai-liebiao {padding:24px 24px;}
  .xiazai-liebiao-tiao {padding:16px 16px 16px 20px;gap:10px;}
  .xiazai-liebiao-zuoce {gap:14px;}
  .xiazai-liebiao-youce {gap:16px;}
  .xiazai-liebiao-mingcheng {font-size:16px;}
  .xiazai-liebiao-riqi {font-size:13px;}
  .xiazai-liebiao-anniu span {font-size:15px;}
  .xiazai-liebiao-qu {height:520px;}
}

/* 手机 640px：条目改为竖向堆叠 */
@media (max-width:640px) {
  .xiazai-neirong {padding:50px 16px 70px;}
  .xiazai-cebianlan-biaoti {font-size:28px;}
  .xiazai-cebianlan-miaoshu {font-size:14px;}
  .xiazai-leixing-mingcheng {font-size:14px;letter-spacing:1px;}
  .xiazai-liebiao {padding:20px 16px;}
  .xiazai-liebiao-qu {height:480px;}
  .xiazai-liebiao-tiao {flex-direction:column;align-items:flex-start;padding:16px 16px 16px 20px;gap:12px;}
  .xiazai-liebiao-zuoce {width:100%;gap:12px;}
  .xiazai-liebiao-tubiao-kuang {width:38px;height:38px;flex-shrink:0;}
  .xiazai-liebiao-tubiao {font-size:16px;}
  .xiazai-liebiao-mingcheng {font-size:15px;}
  .xiazai-liebiao-riqi {font-size:12px;white-space:normal;}
  .xiazai-liebiao-youce {width:100%;justify-content:flex-start;gap:16px;}
  .xiazai-liebiao-anniu span {font-size:14px;}
}

/* 超小屏 400px */
@media (max-width:400px) {
  .xiazai-neirong {padding:40px 12px 60px;}
  .xiazai-liebiao {padding:16px 12px;}
  .xiazai-liebiao-tiao {padding:14px 12px 14px 16px;}
  .xiazai-liebiao-mingcheng {font-size:14px;}
}
/* =========================
下载页响应式结束
========================= */