/* ===== 重置与基础 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family:pingfang SC,helvetica neue,arial,hiragino sans gb,microsoft yahei ui,microsoft yahei,simsun,sans-serif!important;
    line-height: 1.5;
    color: #333;
    background: #fff;
}
a {
    text-decoration: none;
    outline: none;
}
a:hover {
    text-decoration: none;
}
img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
    border: none;
}
ul, li {
    list-style: none;
}
.dellyj-clear {
    clear: both;
}

/* ===== 主容器 1350px ===== */
.dellyj-container {
    max-width: 1350px;
    margin: 0 auto;
    padding: 0px 15px;
}

/* ===== 顶部Banner ===== */
.dellyj-ban {
    width: 100%;
    min-height: 320px;
    background: url("/css/2019/images/Dell_yjian_1.jpg") no-repeat center center;
    color: #fff;
    display: flex;
    align-items: center;
    margin-top: 60px;
    padding: 80px 0;
}
.dellyj-ban-content {
    max-width: 900px;
    padding: 10px 0;
}
.dellyj-ban-title {
    font-size: clamp(26px, 3.5vw, 38px);
    font-weight: 300;
    display: block;
    color: #fff;
}
.dellyj-ban-desc {
    display: block;
    font-size: clamp(13px, 1.4vw, 14px);
    line-height: 2.3;
    color: #fff;
    margin-top: 8px;
}
.dellyj-ban-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}
.dellyj-ban-btns a {
    display: inline-block;
    color: #fff;
    font-size: 14px;
    text-align: center;
    line-height: 40px;
    padding: 0px 44px;
    height: 40px;
    border: 1px solid #fff;
    transition: all 0.3s;
    border-radius: 0;
    border-radius: 10px;
}
.dellyj-ban-btns a.dellyj-ban-btn-xq {
    border-color: #2db7ff;
    color: #2db7ff;
}
.dellyj-ban-btns a:hover {
    border-color: #217af0;
    background: #217af0;
    color: #fff;
}

/* ===== 通用标题 ===== */
.dellyj-section-title {
    text-align: center;
    letter-spacing: 2px;
    font-size: 30px;
    color: #000;
    font-weight: 600;
}
.dellyj-section-title h2{font-size: 30px;color: #000;font-weight: 600}
.dellyj-section-title p {
    font-size: 14px;
    color: #666;
    padding-top: 10px;
    padding-bottom: 30px;
    margin: 0;
    font-weight: normal;
}

/* ===== 产品卡片（无背景+阴影） ===== */
.dellyj-product-container{padding-top: 90px;padding-bottom: 40px}
.dellyj-product-grid {
    padding-bottom: 50px;
}
.dellyj-product-grid .dellyj-col {
    margin-bottom: 30px;
}
.dellyj-product-card {
    background: transparent;
    padding: 24px 15px 28px;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.3s, transform 0.2s;
    border-radius: 10px;
    box-shadow: 0 8px 40px rgba(0, 102, 255, 0.08);
    border: 1px solid rgba(0,0,0,0.03);
}
.dellyj-product-card:hover {
    box-shadow: 0 8px 35px rgba(0, 102, 255, 0.13);
    transform: translateY(-4px);
    border-color: rgba(45, 183, 255, 0.2);
}
.dellyj-product-card .dellyj-card-img {
    text-align: center;
    padding: 10px 0 8px;
    min-height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.dellyj-product-card .dellyj-card-img img {
    max-height: 150px;
    width: auto;
    border-radius: 6px;
}
.dellyj-product-card .dellyj-card-body {
    flex: 1;
    padding: 8px 0;
}
.dellyj-product-card .dellyj-card-body .dellyj-card-name {
    font-weight: normal;
    font-size: clamp(17px, 1.8vw, 18px);
    color: #0a1e3c;
    display: block;
    line-height: 1.4;
}
.dellyj-product-card .dellyj-card-body .dellyj-card-name span {
    font-size: clamp(17px, 1.8vw, 18px);
    color: #0066ff;
    font-weight: 600;
}
.dellyj-product-card .dellyj-card-body .dellyj-card-name .dellyj-card-sub {
    display: inline;
    font-weight: 600;
    color: #0a1e3c;
}
.dellyj-product-card .dellyj-card-body .dellyj-card-desc {
    color: #666;
    font-size: clamp(13px, 1.2vw, 14px);
    line-height: 1.7;
    letter-spacing: 0.3px;
    margin-top: 10px;
    margin-bottom: 18px;
}
.dellyj-product-card .dellyj-card-body .dellyj-btn-detail {
    display: inline-block;
    height: 36px;
    line-height: 36px;
    padding: 0 24px;
    border: 1px solid #0066ff;
    color: #fff;
    text-align: center;
    font-size: 14px;
    transition: all 0.3s;
    border-radius: 4px;
    align-self: flex-start;
    background: #0066ff;
}
.dellyj-product-card .dellyj-card-body .dellyj-btn-detail:hover {
    background: #217af0;
    color: #fff;
}

/* ===== 400热线 ===== */
.dellyj-hotline {
    width: 100%;
    background: url("/css/2019/images/Dell_yjian_03.jpg") no-repeat top center;
    padding: 50px 15px;
    text-align: center;
    color: #fff;
}
.dellyj-hotline-number {
    font-size: clamp(26px, 3.5vw, 32px);
    font-weight: normal;
    color: #15fcf9;
    letter-spacing: 1px;
    display: block;
}
.dellyj-hotline-link {
    display: inline-block;
    font-size: clamp(22px, 2.8vw, 30px);
    letter-spacing: 1px;
    color: #fff;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%2315fcf9" width="38px" height="38px"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>') no-repeat left center;
    padding-left: 46px;
    margin-top: 8px;
    background-size: 34px 34px;
    line-height: 1.4;
}
.dellyj-hotline-link:hover {
    color: #15fcf9;
}

/* ===== 解决方案 ===== */
.dellyj-solution-wrap {
    background: #f5f9ff;
    padding: 90px 0 90px;
}
.dellyj-solution-card {
    margin-bottom: 30px;
    transition: 0.3s;
    background: #fff;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    height: 100%;
}
.dellyj-solution-card:hover {
    box-shadow: 0 6px 28px rgba(0,102,255,0.10);
}
.dellyj-solution-card img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}
.dellyj-solution-card .dellyj-solution-desc {
    font-size: 15px;
    line-height: 1.7;
    color: #333;
    margin-top: 12px;
    margin-bottom: 0;
}
.dellyj-solution-card a {
    color: #333;
    display: block;
}
.dellyj-solution-card a:hover {
    color: #217af0;
}

/* ===== 移动端适配（每排一个卡片） ===== */
@media (max-width: 991px) {
    .dellyj-product-card .dellyj-card-img img {
        max-height: 130px;
    }
    .dellyj-product-grid .dellyj-col {
        margin-bottom: 32px;
    }
}

@media (max-width: 767px) {
    .dellyj-product-container{padding-top: 40px;padding-bottom: 0px}
    .dellyj-solution-wrap{padding: 40px 0;}
    .dellyj-ban {
        min-height: 240px;
        padding: 24px 0;
    }
    .dellyj-ban-title {
        font-size: 22px;
    }
    .dellyj-ban-desc {
        font-size: 13px;
        line-height: 1.6;
    }
    .dellyj-ban-btns a {
        padding: 0 16px;
        font-size: 13px;
        height: 28px;
        line-height: 28px;
    }
    .dellyj-ban-btns {
        gap: 10px;
        margin-top: 14px;
    }
    .dellyj-hotline-link {
        background-size: 28px 28px;
        padding-left: 38px;
        font-size: 20px;
    }
    .dellyj-product-card {
        padding: 20px 12px 24px;
    }
    .dellyj-product-grid .dellyj-col {
        margin-bottom: 28px;
    }
    .dellyj-product-card .dellyj-card-img {
        min-height: 110px;
        padding: 6px 0;
    }
    .dellyj-product-card .dellyj-card-img img {
        max-height: 110px;
    }
    .dellyj-product-card .dellyj-card-body .dellyj-btn-detail {
        padding: 0 16px;
        font-size: 13px;
        height: 32px;
        line-height: 32px;
    }
    .dellyj-solution-card {
        padding: 12px;
        margin-bottom: 20px;
    }
    .dellyj-hotline {
        padding: 35px 15px;
    }
    .dellyj-hotline-number {
        font-size: 22px;
    }
    .dellyj-section-title h2{
        font-size: 24px;
        padding-top: 30px;
    }
    .dellyj-section-title p {
        font-size: 14px;
        padding-bottom: 20px;
    }
    .dellyj-product-card {
        margin-left: auto;
        margin-right: auto;
        max-width: 420px;
    }
}

@media (max-width: 480px) {
    .dellyj-ban {
        min-height: 200px;
        padding: 18px 0;
    }
    .dellyj-ban-title {
        font-size: 20px;
    }
    .dellyj-ban-desc {
        font-size: 12px;
        line-height: 1.5;
    }
    .dellyj-ban-btns a {
        font-size: 12px;
        padding: 0 14px;
        height: 26px;
        line-height: 26px;
    }
    .dellyj-ban-btns {
        gap: 8px;
        margin-top: 12px;
    }
    .dellyj-product-card {
        padding: 16px 10px 20px;
    }
    .dellyj-product-grid .dellyj-col {
        margin-bottom: 24px;
    }
    .dellyj-product-card .dellyj-card-img {
        min-height: 90px;
    }
    .dellyj-product-card .dellyj-card-img img {
        max-height: 90px;
    }
    .dellyj-product-card .dellyj-card-body .dellyj-card-name {
        font-size: 16px;
    }
    .dellyj-product-card .dellyj-card-body .dellyj-card-name span {
        font-size: 16px;
    }
    .dellyj-product-card .dellyj-card-body .dellyj-card-desc {
        font-size: 12px;
        margin-top: 6px;
        margin-bottom: 12px;
    }
    .dellyj-hotline-link {
        font-size: 18px;
        padding-left: 34px;
        background-size: 24px 24px;
    }
    .dellyj-section-title h2{
        font-size: 20px;
        padding-top: 24px;
    }
    .dellyj-section-title p {
        font-size: 13px;
        padding-bottom: 16px;
    }
    .dellyj-solution-card .dellyj-solution-desc {
        font-size: 13px;
    }
}