
        /* ===== 重置 & 基础 ===== */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            background: #fff;
            font-family: "pingfang SC", "helvetica neue", arial, "hiragino sans gb", "microsoft yahei ui", "microsoft yahei", simsun, sans-serif !important;
            color: #333;
        }
        a { text-decoration: none; cursor: pointer; }
        a:hover { text-decoration: none; }
        ul, li { list-style: none; margin: 0; padding: 0; }
        img { max-width: 100%; vertical-align: middle; }

        /* ===== 容器 最大宽度1350px ===== */
        .bquan-container {
            max-width: 1350px;
            width: 100%;
            padding-left: 15px;
            padding-right: 15px;
            margin: 0 auto;
            box-sizing: border-box;
        }
        /* ===== 每部分上下 padding 90px ===== */
        .bquan-section {
            padding-top: 90px;
            padding-bottom: 90px;
        }
        /* ===== 大标题 ===== */
        .bquan-title {
            font-size: 30px;
            font-weight: bold;
            text-align: center;
            color: #000;
            margin-bottom: 48px;
        }

        /* ===== 按钮 ===== */
        .bquan-btn {
            display: inline-block;
            height: 35px;
            line-height: 33px;
            padding: 0 25px;
            font-size: 14px;
            text-align: center;
            border-radius: 10px;
            transition: all 0.3s ease;
            border: 1px solid #fff;
            color: #fff;
            background: transparent;
        }
        .bquan-btn-primary {
            border-color: #ffe416;
            color: #ffe416;
        }
        .bquan-btn:hover {
            border-color: #14e1ff;
            color: #fff;
            box-shadow: 0px 0px 15px rgba(45, 183, 255, .85);
            transform: translateY(-2px);
        }

        /* ===== 卡片 hover ===== */
        .bquan-card-hover {
            transition: transform 0.35s ease, box-shadow 0.35s ease;
        }
        .bquan-card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0px 0px 20px rgba(0, 0, 0, .1);
        }

        /* ============================================================
           Banner - margin-top: 60px 保持不变
           ============================================================ */
        .bquan-banner {
            width: 100%;
            height: 540px;
            background: url("/css/2018/images/Bquan_bg.jpg") #594cef no-repeat center top;
            background-size: cover;
            margin-top: 60px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .bquan-banner .bquan-banTxt strong {
            color: #ffe416;
            font-size: 35px;
            font-weight: bold;
            display: block;
            margin-bottom: 15px;
        }
        .bquan-banner .bquan-banTxt p {
            width: 635px;
            max-width: 100%;
            color: #f2f1ff;
            font-size: 14px;
            line-height: 26px;
            margin-bottom: 35px;
        }
        .bquan-banner .bquan-banTxt .bquan-btn-group {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }
        .bquan-banner .bquan-banTxt .bquan-btn-group .bquan-btn {
            width: 143px;
        }

        /* ============================================================
           天下数据可以为币圈平台企业做什么 - 一排放两个
           ============================================================ */
        .bquan-service .bquan-service-item {
            padding: 15px;
            margin-top: 20px;
            margin-bottom: 35px;
            border-radius: 10px;
            overflow: hidden;
            height: 100%;
        }
        .bquan-service .bquan-service-item .bquan-service-left {
            float: left;
            padding-top: 10px;
            padding-right: 25px;
        }
        .bquan-service .bquan-service-item .bquan-service-left img { max-width: 106px; }
        .bquan-service .bquan-service-item .bquan-service-right { overflow: hidden; }
        .bquan-service .bquan-service-item .bquan-service-right strong {
            font-size: 20px;
            color: #333;
            font-weight: bold;
            display: block;
            padding-bottom: 10px;
        }
        .bquan-service .bquan-service-item .bquan-service-right p {
            font-size: 14px;
            color: #666;
            line-height: 28px;
        }

        /* ============================================================
           架构图
           ============================================================ */
        .bquan-arch {
            background: #fafafa;
        }
        .bquan-arch .bquan-arch-left {
            background: #fff;
            box-shadow: 0px 0px 15px rgba(0, 0, 0, .1);
            padding: 30px 20px 20px;
            border-radius: 10px;
        }
        .bquan-arch .bquan-arch-left .bquan-arch-title {
            display: inline-block;
            color: #fff;
            font-size: 26px;
            font-weight: bold;
            line-height: 51px;
            background: #27bbff;
            padding: 0 15px;
            border-radius: 10px;
            margin-bottom: 20px;
        }
        .bquan-arch .bquan-arch-left img {
            display: block;
            margin: 0 auto;
            max-width: 100%;
            height: auto;
        }

        .bquan-arch .bquan-arch-right dt {
            font-size: 20px;
            color: #27bbff;
            font-weight: bold;
            display: block;
            padding-bottom: 25px;
        }
        .bquan-arch .bquan-arch-right .bquan-prod-item {
            width: 48%;
            float: left;
            text-align: center;
            margin-bottom: 20px;
        }
        .bquan-arch .bquan-arch-right .bquan-prod-item:nth-child(2n) { float: right; }
        .bquan-arch .bquan-arch-right .bquan-prod-item .bquan-prod-icon {
            width: 100%;
            height: 128px;
            border: 1px solid #d6d6d6;
            border-radius: 10px;
            background: #fff no-repeat center;
            background-size: auto 70px;
            transition: 0.3s;
        }
        .bquan-arch .bquan-arch-right .bquan-prod-item:hover .bquan-prod-icon {
            border-color: #27bbff;
            box-shadow: 0px 0px 15px rgba(0, 0, 0, .1);
        }
        .bquan-arch .bquan-arch-right .bquan-prod-item a {
            display: block;
            font-size: 15px;
            color: #333;
            font-weight: bold;
            padding: 10px 0;
            transition: 0.3s;
        }
        .bquan-arch .bquan-arch-right .bquan-prod-item a:hover { color: #27bbff; }
        .bquan-arch .bquan-arch-right .bquan-prod-item .bquan-prod-icon.xmtj_b1 { background-image: url("/css/2018/images/Bquan_icn_14.png"); }
        .bquan-arch .bquan-arch-right .bquan-prod-item .bquan-prod-icon.xmtj_b2 { background-image: url("/css/2018/images/Bquan_icn_17.png"); }
        .bquan-arch .bquan-arch-right .bquan-prod-item .bquan-prod-icon.xmtj_b3 { background-image: url("/css/2018/images/Bquan_icn_22.png"); }
        .bquan-arch .bquan-arch-right .bquan-prod-item .bquan-prod-icon.xmtj_b4 { background-image: url("/css/2018/images/Bquan_icn_25.png"); }

        .bquan-arch .bquan-arch-right .bquan-policy b {
            font-size: 20px;
            font-weight: bold;
            color: #333;
            display: block;
            padding-top: 20px;
            padding-bottom: 10px;
        }
        .bquan-arch .bquan-arch-right .bquan-policy p {
            font-size: 15px;
            line-height: 32px;
            color: #666;
        }

        /* ============================================================
           选择天下数据的原因 - 两端对齐
           ============================================================ */
        .bquan-reason .bquan-reason-left dt {
            font-size: 18px;
            color: #333;
            font-weight: bold;
            border-bottom: 1px solid #dddddd;
            padding-bottom: 15px;
            text-align: justify;
        }
        .bquan-reason .bquan-reason-left dt span { display: block; font-size: 26px; }
        .bquan-reason .bquan-reason-left dd {
            font-size: 15px;
            color: #666;
            line-height: 60px;
            padding-left: 15px;
            border-bottom: 1px solid #dddddd;
            border-radius: 10px;
            transition: 0.3s;
            text-align: justify;
        }
        .bquan-reason .bquan-reason-left dd:hover {
            border-bottom-color: #27bbff;
            box-shadow: 0px 0px 15px rgba(0, 0, 0, .1);
        }
        .bquan-reason .bquan-reason-left dd i {
            font-size: 22px;
            color: #e30000;
            font-style: normal;
            font-weight: bold;
        }

        .bquan-reason .bquan-reason-right dt {
            font-size: 26px;
            color: #333;
            font-weight: bold;
            margin-top: 35px;
            margin-bottom: 10px;
        }
        .bquan-reason .bquan-reason-right dd {
            font-size: 15px;
            color: #666;
            line-height: 30px;
            text-align: justify;
        }
        .bquan-reason .bquan-reason-right img { max-width: 100%; height: auto; border-radius: 10px; }

        /* ============================================================
           详情咨询
           ============================================================ */
        .bquan-consult {
            width: 100%;
            min-height: 235px;
            background: url("/css/2018/images/Bquan_bg2.jpg") no-repeat center top #284ff5;
            background-size: cover;
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .bquan-consult p { color: #fff; font-weight: bold; }
        .bquan-consult .bquan-f26 { font-size: 26px; padding-top: 0; }
        .bquan-consult .bquan-f30 { font-size: 30px; }
        .bquan-consult .bquan-btn-consult {
            display: inline-block;
            width: 126px;
            height: 42px;
            line-height: 42px;
            background: #ffcc33;
            color: #333;
            font-size: 20px;
            font-weight: bold;
            border-radius: 10px;
            margin-top: 20px;
            transition: 0.3s;
        }
        .bquan-consult .bquan-btn-consult:hover {
            background: #11f7b3;
            box-shadow: 0px 0px 15px rgba(6, 31, 177, 1);
            transform: translateY(-2px);
        }

        /* ============================================================
           关于币圈
           ============================================================ */
        .bquan-article .bquan-article-list ul {
            float: left;
            width: 45%;
        }
        .bquan-article .bquan-article-list ul:last-child { float: right; }
        .bquan-article .bquan-article-list li {
            height: 30px;
            line-height: 30px;
            margin: 10px 0;
        }
        .bquan-article .bquan-article-list li a {
            font-size: 16px;
            color: #666;
            padding-left: 25px;
            background: url("/css/2018/images/Bquan_icn_30.png") no-repeat left center;
            transition: 0.3s;
            display: block;
            white-space: nowrap;
            text-overflow: ellipsis;
            overflow: hidden;
        }
        .bquan-article .bquan-article-list li a:hover {
            color: #16aff6;
            background-image: url("/css/2018/images/Bquan_icn_33.png");
        }

        /* ============================================================
           Clearfix
           ============================================================ */
        .bquan-clear { clear: both; }
        .bquan-clear:after {
            clear: both;
            height: 0;
            overflow: hidden;
            display: block;
            visibility: hidden;
            content: ".";
        }

        /* ============================================================
           移动端适配 (768px以下)
           ============================================================ */
        @media (max-width: 768px) {
            .bquan-section { padding-top: 50px; padding-bottom: 50px; }
            .bquan-title { font-size: 24px; margin-bottom: 30px; }

            .bquan-banner { height: auto; min-height: 380px; padding: 40px 0; margin-top: 50px; }
            .bquan-banner .bquan-banTxt strong { font-size: 26px; }
            .bquan-banner .bquan-banTxt p { width: 100%; font-size: 13px; line-height: 24px; }
            .bquan-banner .bquan-banTxt .bquan-btn-group .bquan-btn { width: 120px; height: 32px; line-height: 30px; font-size: 13px; }

            .bquan-service .bquan-service-item .bquan-service-left { float: none; display: block; text-align: center; padding-right: 0; padding-top: 0; }
            .bquan-service .bquan-service-item .bquan-service-left img { max-width: 70px; }
            .bquan-service .bquan-service-item .bquan-service-right { text-align: center; }
            .bquan-service .bquan-service-item .bquan-service-right strong { font-size: 17px; padding-bottom: 5px; }
            .bquan-service .bquan-service-item .bquan-service-right p { font-size: 13px; line-height: 24px; }

            .bquan-arch .bquan-arch-left { padding: 20px 15px; }
            .bquan-arch .bquan-arch-left .bquan-arch-title { font-size: 18px; line-height: 38px; padding: 0 12px; }
            .bquan-arch .bquan-arch-right { margin-top: 30px; }
            .bquan-arch .bquan-arch-right dt { font-size: 18px; padding-bottom: 15px; }
            .bquan-arch .bquan-arch-right .bquan-prod-item { width: 48%; }
            .bquan-arch .bquan-arch-right .bquan-prod-item .bquan-prod-icon { height: 110px; background-size: auto 60px; }

            .bquan-reason .bquan-reason-left dt { font-size: 16px; }
            .bquan-reason .bquan-reason-left dt span { font-size: 22px; }
            .bquan-reason .bquan-reason-left dd { font-size: 14px; line-height: 48px; padding-left: 10px; }
            .bquan-reason .bquan-reason-left dd i { font-size: 18px; }
            .bquan-reason .bquan-reason-right { margin-top: 30px; }
            .bquan-reason .bquan-reason-right dt { font-size: 22px; margin-top: 20px; }
            .bquan-reason .bquan-reason-right dd { font-size: 14px; line-height: 26px; }

            .bquan-consult { min-height: 180px; }
            .bquan-consult .bquan-f26 { font-size: 22px; }
            .bquan-consult .bquan-f30 { font-size: 24px; }
            .bquan-consult .bquan-btn-consult { width: 110px; height: 38px; line-height: 38px; font-size: 17px; }

            .bquan-article .bquan-article-list ul { float: none; width: 100%; }
            .bquan-article .bquan-article-list ul:last-child { float: none; margin-top: 10px; }
            .bquan-article .bquan-article-list li { height: 28px; line-height: 28px; margin: 6px 0; }
            .bquan-article .bquan-article-list li a { font-size: 14px; padding-left: 22px; background-size: 16px; }
        }
