*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
body{
  background-color:#f3f4f6;
  color:#1f2937;
  padding:24px 16px;
}
.container{
  max-width:720px;
  margin:0 auto;
}
h1{
  font-size:28px;
  text-align:center;
  margin-bottom:8px;
}
.subtitle{
  text-align:center;
  color:#6b7280;
  margin-bottom:16px;
}
.tags-bar{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
  margin-bottom:20px;
  font-size:15px;
}
.search-box{
  margin-bottom:10px;
}
#searchInput{
  width:100%;
  padding:14px 16px;
  font-size:17px;
  border:1px solid #d1d5db;
  border-radius:10px;
  outline:none;
}
#searchInput:focus{
  border-color:#2563eb;
  box-shadow:0 0 0 3px rgba(37,99,235,0.15);
}
.tip{
  text-align:center;
  color:#6b7280;
  font-size:14px;
  margin-bottom:20px;
}
.result-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
/* 搜索结果卡片 重写 */
.result-item{
  background:#ffffff;
  border-radius:12px;
  padding:18px 20px;
  box-shadow:0 1px 3px rgba(0,0,0,0.08);
}
.item-title{
  font-size:20px;
  font-weight:600;
  color:#111827;
  margin-bottom:12px;
}
.item-info{
  display:flex;
  gap:24px;
  font-size:15px;
  color:#4b5563;
  margin-bottom:10px;
}
.item-tag{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
  font-size:15px;
}
.item-tag b{
  display:inline-block;
  background:#2563eb;
  color:#fff;
  padding:3px 10px;
  border-radius:6px;
  font-weight:500;
}
.item-op{
  margin-top:4px;
}
.feedback-btn{
  border:1px solid #d1d5db;
  background:#ffffff;
  color:#4b5563;
  padding:6px 14px;
  border-radius:6px;
  cursor:pointer;
  font-size:13px;
  transition:all 0.2s;
}
.feedback-btn:hover{
  background:#f3f4f6;
  border-color:#9ca3af;
}
.empty{
  text-align:center;
  padding:32px 0;
  color:#6b7280;
}
/*反馈弹窗*/
.modal-overlay{
  position: fixed;
  inset:0;
  background:rgba(0,0,0,0.55);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:999;
}
.modal-box{
  width:90%;
  max-width:460px;
  background:#fff;
  border-radius:10px;
  padding:24px;
}
.modal-box h3{margin-bottom:12px;}
.modal-tip{margin-bottom:8px;color:#444;}
.modal-box textarea{
  width:100%;
  border:1px solid #d1d5db;
  border-radius:6px;
  padding:10px;
  font-size:14px;
  resize:vertical;
  margin-bottom:12px;
}
.modal-btns{
  display:flex;
  gap:10px;
  justify-content:flex-end;
}
.modal-btns button{
  padding:8px 16px;
  border-radius:6px;
  border:none;
  cursor:pointer;
}
#fbSubmit{background:#2563eb;color:#fff;}
#fbCancel{background:#eee;color:#333;}
#fbMsg{margin-top:8px;text-align:center;}
/*后台反馈列表*/
.fb-item{
  border:1px solid #e5e7eb;
  border-radius:8px;
  padding:12px;
  margin-top:10px;
  font-size:14px;
}
.fb-time{
  margin-top:6px;
  color:#888;
  font-size:12px;
}
/*管理后台*/
.admin-container{
  max-width:800px;
}
#loginBox{
  display:flex;
  gap:10px;
  justify-content:center;
  margin-top:30px;
}
#loginBox input{
  padding:10px 14px;
  border:1px solid #ccc;
  border-radius:6px;
}
#loginBox button{
  padding:10px 18px;
  background:#2563eb;
  color:white;
  border:none;
  border-radius:6px;
  cursor:pointer;
}
.upload-area{
  border:2px dashed #bbbbbb;
  border-radius:10px;
  padding:40px;
  text-align:center;
  cursor:pointer;
}
.upload-area.drag-over{
  border-color:#2563eb;
  background:#eff6ff;
}