/* 全局重置和基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        .w-full {
            width: max(100%, 1400px);
            box-sizing: border-box;
        }

        .w-1900 {
            max-width: 1900px;
            min-width: 1400px;
            width: 100%;
            margin: 0 auto;
        }

        .w-1500 {
            width: 1400px;
            margin: 0 auto;
        }

        .two-line-ellipsis {
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .three-line-ellipsis {
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            line-clamp: 3;
            -webkit-box-orient: vertical;
        }

        .four-line-ellipsis {
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 4;
            line-clamp: 4;
            -webkit-box-orient: vertical;
        }

        :root {
            --primary-color: #142a62;
            --text-dark: #707070;
            --text-light: #86878a;
            --white: #ffffff;
            --text-gray: #9CA3AF 100%;
            --text-black: #000000;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
            "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica,
            Arial, sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-black);
            background-color: var(--white);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }


        img {
            max-width: 100%;
            height: auto;
            display: block;
        }


        .btn {
            display: inline-flex;
            justify-content: center;
            align-items: center;
            padding: 5px 16px;
            background-color: transparent;
            border: 1px solid var(--white);
            color: var(--white);
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            box-sizing: border-box;
        }

        .btn:hover {
            background-color: var(--white);
            color: var(--primary-color);
        }

        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: var(--white);
        }

        /* .btn-primary:hover {
              background-color: #2a4a8c;
              border-color: #2a4a8c;
              color: var(--white);
          } */
        .fixed-bg {
            background-attachment: fixed !important;
        }

        .section-title {
            font-size: 32px;
            font-weight: 500;
            text-align: center;
            margin-bottom: 48px;
            color: var(--primary-color);
        }

        /*兼容经典编辑器*/
        .aligncenter {
            display: block;
            margin-left: auto;
            margin-right: auto;
        }

        .alignleft {
            float: left;
            margin: 0.5em 1em 0.5em 0;
        }

        .alignright {
            float: right;
            margin: 0.5em 0 0.5em 1em;
        }

        .news-content  {
          line-height: 34px;
        }

        .news-content p {
            margin-bottom: 1.5em;
        }

        .news-content h2 {
            font-size: 1.5em;
            margin-top: 1em;
            margin-bottom: 0.5em;
        }
        .bxn-border{
            padding-top: 20px;
            border-top: 1px solid currentColor;
            position: relative;
            padding-bottom: 48px;
        }
        .bxn-border::before{
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: calc(50% - 47px);
            height: 1px;
            box-sizing: content-box;
            background: currentColor;
        }
        .bxn-border::after{
            content: "";
            position: absolute;
            bottom: 0;
            right: 0;
            width: calc(50% - 47px);
            height: 1px;
            box-sizing: content-box;
            background: currentColor;
        }
        .bxn-border .icon{
            position: absolute;
            left: 50%;
            bottom: 0;
            transform: translate(-50%,50%);
            width: 20px;
            height: 40px;
            box-sizing: content-box;
            background: url('../img/bxn-icon.png') no-repeat center center;
            background-size: contain;
        }