/* ----- 左右两栏核心布局 (最大宽度1400px，基于原有风格扩展) ----- */
        .main-contant .two-col-layout {
            max-width: 1400px;
            margin: 0 auto;
            padding: 30px 24px 60px;
            display: flex;
            gap: 40px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        /* 左侧导航卡片 (毛玻璃白，圆润风格) */
        .left-nav-sidebar {
            flex: 0 0 280px;
            background: rgba(255, 255, 255, 0.96);
            border-radius: 24px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
            overflow: hidden;
            position: sticky;
            top: 100px;
            transition: all 0.2s;
            border: 1px solid rgba(29, 90, 167, 0.12);
            
        }

        .sidebar-header {
            background: linear-gradient(98deg, #1D5AA7 0%, #0E4A8A 100%);
            padding: 20px 24px;
            color: white;
        }

        .sidebar-header h3 {
            font-size: 1.3rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-header h3 i {
            font-size: 1.3rem;
            opacity: 0.9;
        }

        .sidebar-nav {
            padding: 12px 8px;
        }

        .sidebar-nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .sidebar-nav li {
            margin: 4px 0;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #2c3e4e;
            border-radius: 40px;
            transition: all 0.25s ease;
            background: transparent;
        }

        .sidebar-nav li a i {
            width: 24px;
            font-size: 1rem;
            color: #5f7f9e;
            transition: 0.2s;
        }

        .sidebar-nav li.active a {
            background: rgba(29, 90, 167, 0.12);
            color: #1D5AA7;
            font-weight: 600;
            box-shadow: inset 0 1px 2px rgba(0,0,0,0.02), 0 2px 5px rgba(29,90,167,0.08);
        }

        .sidebar-nav li.active a i {
            color: #1D5AA7;
        }

        .sidebar-nav li a:hover:not(.active-link) {
            background: rgba(29, 90, 167, 0.06);
            color: #1D5AA7;
            transform: translateX(4px);
        }

        .sidebar-nav li a:hover:not(.active-link) i {
            color: #1D5AA7;
        }

        /* 右侧内容区域 */
        .right-content-area {
            flex: 1;
            min-width: 0; /* 防止溢出 */
            background: #ffffff;
            border-radius: 28px;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: all 0.2s;
        }

        .article-inner {
            padding: 36px 40px 20px 40px;
        }

        /* 面包屑（加强内嵌样式，沿用原有风格但微调间距） */
        .mod-bread-crumb.inner-bread {
            background: transparent;
            padding: 0 0 16px 0;
            margin-bottom: 20px;
            border-bottom: 1px solid #eef2f7;
            font-size: 0.85rem;
        }
        .mod-bread-crumb.inner-bread .title {
            color: #5a6e7c;
            font-weight: 500;
        }
        .mod-bread-crumb.inner-bread a {
            color: #2c6e9e;
            transition: 0.2s;
        }
        .mod-bread-crumb.inner-bread a:hover {
            color: #1D5AA7;
        }
        .mod-bread-crumb.inner-bread .separator {
            margin: 0 6px;
            color: #aaa;
        }

        /* 正文排版 */
        .detail-text-wrap {
            font-size: 1rem;
            line-height: 1.75;
            color: #1e2f3e;
            padding:0 20px;
        }
        .detail-text-wrap h1.page-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: #0b2b44;
            margin-bottom: 18px;
            text-align:center;
            letter-spacing: -0.2px;
            padding-left: 20px;
        }
        .detail-text-wrap p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .detail-text-wrap strong {
            color: #1D5AA7;
        }
        .detail-text-wrap .highlight-block {
            background: #f0f6fe;
            padding: 18px 24px;
            border-radius: 20px;
            margin: 24px 0;
            border-left: 4px solid #1D5AA7;
        }
        .detail-text-wrap .sub-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 1.6rem 0 1rem;
            color: #1a4972;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .detail-text-wrap .sub-title i {
            color: #1D5AA7;
            font-size: 1.2rem;
        }
        .detail-text-wrap ul.goal-list {
            list-style: none;
            padding-left: 0;
            margin: 20px 0;
        }
        .detail-text-wrap ul.goal-list li {
            margin-bottom: 1rem;
            padding-left: 28px;
            position: relative;
        }
        .detail-text-wrap ul.goal-list li:before {
            content: "●";
            color: #1D5AA7;
            font-weight: bold;
            position: absolute;
            left: 6px;
            top: 0;
        }
        /* 响应式 */
        @media (max-width: 992px) {
            .main-contant .two-col-layout {
                gap: 28px;
                padding: 20px 20px 50px;
            }
            .left-nav-sidebar {
                flex: 0 0 260px;
            }
            .article-inner {
                padding: 28px 28px;
            }
            .detail-text-wrap h1.page-title {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .main-contant .two-col-layout {
                flex-direction: column;
            }

.right-content-area{
width:100%;
}
            .left-nav-sidebar {
                flex: auto;
                width: 100%;
                position: static;
                top: 0;
            }
            .sidebar-header h3 {
                font-size: 1.1rem;
            }
            .article-inner {
                padding: 24px 20px;
            }
            .detail-text-wrap h1.page-title {
                font-size: 1.4rem;
                padding-left: 14px;
            }
        }
        /* 保持原有banner样式不变，但不影响布局叠加 */
        .banner .item.item-1 {
            background-size: cover;
            background-position: center;
        }
        /* 文章列表样式 */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding:0 20px 20px 20px;
}
.article-item {
    background: #fff;
    border-radius: 20px;
    padding: 20px 24px;
    transition: all 0.25s ease;
    border: 1px solid rgba(29, 90, 167, 0.08);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}
.article-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
    border-color: rgba(29, 90, 167, 0.2);
}
.article-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a4972;
    margin-bottom: 10px;
    display: inline-block;
    transition: color 0.2s;
}
.article-title:hover {
    color: #1D5AA7;
}
.article-meta {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 20px;
    font-size: 0.8rem;
    color: #7c8b9c;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.article-meta i {
    margin-right: 4px;
    width: 16px;
    color: #1D5AA7;
}
.article-summary {
    font-size: 0.9rem;
    line-height: 1.6;
    color: #2c3e4e;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
    flex-wrap: wrap;
}
.page-btn {
    background: #fff;
    border: 1px solid #dce5ef;
    padding: 8px 14px;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 500;
    color: #2c6e9e;
    cursor: pointer;
    transition: all 0.2s ease;
}
.page-btn.active {
    background: #1D5AA7;
    border-color: #1D5AA7;
    color: white;
    box-shadow: 0 2px 8px rgba(29,90,167,0.3);
}
.page-btn:hover:not(.active) {
    background: #eef2fa;
    border-color: #bdd4ec;
    transform: translateY(-1px);
}
.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}
.page-ellipsis {
    padding: 0 6px;
    color: #7f8c8d;
}