body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    margin: 30px 90px 50px 90px;
    color: #111;
    background: #fff;
}
h1 {
    font-size: 20px;
    margin: 0 0 8px 0;
}
.meta {
    font-size: 12px;
    color: #555;
    margin-bottom: 14px;
    line-height: 1.6;
}
.toolbar {
    display: flex;
    gap: 12px;
    align-items: center;
    margin: 12px 0 18px 0;
    flex-wrap: wrap;
}
.toolbar input {
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 10px;
    min-width: 300px;
    font-size: 14px;
    outline: none;
}
.toolbar button {
    padding: 10px 14px;
    border: 1px solid #ccc;
    border-radius: 10px;
    background: #f7f7f7;
    cursor: pointer;
    font-size: 14px;
}
.toolbar button:hover { background: #efefef; }
.muted { color: #666; font-size: 12px; }
.sheet-title {
    font-size: 14px;
    margin: 12px 0 10px 0;
    color: #333;
}
.sheet-section {
    margin-bottom: 18px;
}
.table-wrap {
    width: 100%;
    overflow: auto;
    border: 1px solid #e5e5e5;
    border-radius: 14px;
}
table.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 980px;
}
.data-table thead th {
    position: sticky;
    top: 0;
    background: #fafafa;
    z-index: 1;
    font-weight: 600;
    padding: 10px 12px;
    text-align: left;
    font-size: 13px;
    white-space: pre-line;
    border: 1px solid #e5e5e5;
}
.data-table tbody td {
    padding: 10px 12px;
    vertical-align: top;
    font-size: 13px;
    line-height: 1.45;
    word-break: break-word;
    border: 1px solid #e5e5e5;
}
.data-table tbody tr:nth-child(even) { background: #fcfcfc; }
.txt-center{text-align: center}
.txt-right{text-align: right}
.txt-left{text-align: left}