/* 栏目树形列表样式（重建版，图标为内联 SVG，无外部图片依赖） */
.SortFile, .SortFileEnd, .SortFolderOpen, .SortFolderClose, .SortEndFolderOpen, .SortEndFolderClose {
	width: 18px;
	height: 18px;
	background-repeat: no-repeat;
	background-position: center center;
}
.SortFile { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><rect x='3' y='1.5' width='10' height='13' rx='1.5' fill='%23fdfbf6' stroke='%239a6636' stroke-width='1.3'/><line x1='5.5' y1='5.5' x2='10.5' y2='5.5' stroke='%239a6636' stroke-width='1.1'/><line x1='5.5' y1='8' x2='10.5' y2='8' stroke='%239a6636' stroke-width='1.1'/><line x1='5.5' y1='10.5' x2='9' y2='10.5' stroke='%239a6636' stroke-width='1.1'/></svg>"); }
.SortFileEnd { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><rect x='3' y='1.5' width='10' height='13' rx='1.5' fill='%23fdfbf6' stroke='%239a6636' stroke-width='1.3'/><line x1='5.5' y1='5.5' x2='10.5' y2='5.5' stroke='%239a6636' stroke-width='1.1'/><line x1='5.5' y1='8' x2='10.5' y2='8' stroke='%239a6636' stroke-width='1.1'/><line x1='5.5' y1='10.5' x2='9' y2='10.5' stroke='%239a6636' stroke-width='1.1'/></svg>"); }
.SortFolderOpen { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M1.5 4.5 L6 4.5 L7.5 6.5 L14.5 6.5 L14.5 13.5 L1.5 13.5 Z' fill='%23e8c88f' stroke='%239a6636' stroke-width='1.2'/><path d='M1.5 13.5 L4 7.5 L15 7.5 L12.5 13.5 Z' fill='%23f5e3c3' stroke='%239a6636' stroke-width='1.2'/></svg>"); }
.SortFolderClose { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M1.5 3.5 L6 3.5 L7.5 5.5 L14.5 5.5 L14.5 13 L1.5 13 Z' fill='%23f0d9ab' stroke='%239a6636' stroke-width='1.2'/><line x1='1.5' y1='7.5' x2='14.5' y2='7.5' stroke='%239a6636' stroke-width='1'/></svg>"); }
.SortEndFolderOpen { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M1.5 4.5 L6 4.5 L7.5 6.5 L14.5 6.5 L14.5 13.5 L1.5 13.5 Z' fill='%23e8c88f' stroke='%239a6636' stroke-width='1.2'/><path d='M1.5 13.5 L4 7.5 L15 7.5 L12.5 13.5 Z' fill='%23f5e3c3' stroke='%239a6636' stroke-width='1.2'/></svg>"); }
.SortEndFolderClose { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M1.5 3.5 L6 3.5 L7.5 5.5 L14.5 5.5 L14.5 13 L1.5 13 Z' fill='%23f0d9ab' stroke='%239a6636' stroke-width='1.2'/><line x1='1.5' y1='7.5' x2='14.5' y2='7.5' stroke='%239a6636' stroke-width='1'/></svg>"); }

/* 栏目链接行 */
td.SortFile, td.SortFolderOpen, td.SortFolderClose, td.SortEndFolderOpen, td.SortEndFolderClose, td.SortFileEnd {
	cursor: pointer;
}