.main-wrap {
            background: #f1f3f2;
            padding: 1rem 0;
            min-height: 100vh;
        }

        /* 左侧分类 - 加1px分隔线 */
        .side-nav {
            border: 1px solid #dee2e6;
            background: #fff;
            padding: 0;
        }
        .side-nav .nav-link {
            border-left: 3px solid transparent;
            padding: 0.5rem 0.75rem;
            color: #495057;
            border-bottom: 1px solid #dee2e6;
        }
        .side-nav .nav-link:last-child {
            border-bottom: none;
        }
        .side-nav .nav-link.active {
            border-left-color: #146c43;
            background: #f8f9fa;
            color: #146c43;
        }
        .side-nav .nav-link:hover:not(.active) {
            border-left-color: #52b788;
            background: #f8f9fa;
        }
        .side-nav .nav-link i {
            width: 1.2rem;
            text-align: center;
            margin-right: 0.4rem;
        }

        .content-area {
            background: #fff;
            border: 1px solid #dee2e6;
            padding: 1rem;
            min-height: 500px;
        }

        .tool-card {
            border: 1px solid #e9ecef;
            padding: 0.6rem 0.75rem;
            transition: all 0.2s;
            height: 100%;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            background: #fff;
        }
        .tool-card:hover {
            border-color: #52b788;
            box-shadow: 0 2px 8px rgba(82, 183, 136, 0.12);
        }
        .tool-card .icon {
            font-size: 1.1rem;
            width: 2rem;
            text-align: center;
            flex-shrink: 0;
        }
        .tool-card .name {
            font-weight: 500;
            color: #212529;
            text-decoration: none;
            font-size: 1.0rem;
        }
        .tool-card .name:hover {
            color: #146c43;
        }
        .tool-card .desc {
            font-size: 0.7rem;
            color: #6c757d;
			display: -webkit-box;
			-webkit-line-clamp: 2;
			-webkit-box-orient: vertical;
			overflow: hidden;
        }

        .section-title {
            font-size: 0.95rem;
            font-weight: 600;
            padding-bottom: 0.3rem;
            border-bottom: 2px solid #146c43;
            margin-bottom: 0.75rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .section-title .more-link {
            font-size: 0.7rem;
            font-weight: 400;
            color: #146c43;
            text-decoration: none;
        }
        .section-title .more-link:hover {
            text-decoration: underline;
        }

        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.5rem;
            margin-bottom: 1rem;
        }
        .tag-row .tag {
            font-size: 0.75rem;
            padding: 0.15rem 0.7rem;
            cursor: pointer;
            border: 1px solid #dee2e6;
            background: #f8f9fa;
            color: #212529;
        }
        .tag-row .tag.active {
            background: #146c43;
            color: #fff;
            border-color: #146c43;
        }
        .tag-row .tag:hover:not(.active) {
            background: #e9ecef;
        }

        @media (max-width: 768px) {
            .side-nav {
                display: flex;
                flex-wrap: nowrap;
                overflow-x: auto;
                gap: 0;
                padding: 0;
            }
            .side-nav .nav-link {
                white-space: nowrap;
                font-size: 0.78rem;
                padding: 0.4rem 0.6rem;
                border-left: none !important;
                border-bottom: 3px solid transparent;
                border-right: 1px solid #dee2e6;
            }
            .side-nav .nav-link:last-child {
                border-right: none;
            }
            .side-nav .nav-link.active {
                border-bottom-color: #146c43 !important;
            }
            .side-nav .nav-link:hover:not(.active) {
                border-bottom-color: #52b788 !important;
            }
            .content-area {
                padding: 0.75rem;
            }
        }