/* ==========================================================================
   节点云课堂 · 首页专属样式
   --------------------------------------------------------------------------
   用于首页的三大业务能力卡片、公司实力数据条、底部公司信息。
   延续科技橙主题：圆角 14px、轻阴影、0.2s 过渡，只改视觉不改布局流。
   ========================================================================== */

/* ---------------------------------------------- 三大业务能力 */
.nc-business {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 20px;
    padding: 34px 0 10px;
}

.nc-biz-item {
    flex: 1;
    background: #FFFFFF;
    border: 1px solid #EBEBEB;
    border-radius: 14px;
    padding: 26px 24px 22px;
    box-shadow: 0 1px 2px rgba(17, 24, 39, .04);
    transition: box-shadow .2s cubic-bezier(.4, 0, .2, 1),
                transform .2s cubic-bezier(.4, 0, .2, 1),
                border-color .2s cubic-bezier(.4, 0, .2, 1);
    position: relative;
    overflow: hidden;
}

.nc-biz-item:hover {
    box-shadow: 0 4px 12px rgba(17, 24, 39, .07), 0 1px 3px rgba(17, 24, 39, .04);
    border-color: #FFE8D6;
    transform: translateY(-2px);
}

/* 顶部渐变细条，区分三块业务 */
.nc-biz-item::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 3px;
    background-image: linear-gradient(90deg, #FF8A33 0%, #FF6A00 100%);
}

.nc-biz-item:nth-child(2)::before {
    background-image: linear-gradient(90deg, #7A98FF 0%, #3A52C8 100%);
}

.nc-biz-item:nth-child(3)::before {
    background-image: linear-gradient(90deg, #40D2A5 0%, #0E8A6A 100%);
}

.nc-biz-icon {
    width: 44px;
    height: 44px;
    line-height: 44px;
    text-align: center;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    color: #FF6A00;
    background-color: #FFF4EC;
    margin-bottom: 16px;
    letter-spacing: .04em;
}

.nc-biz-icon-data {
    color: #3A52C8;
    background-color: #EEF1FE;
}

.nc-biz-icon-sys {
    color: #0E8A6A;
    background-color: #E6F8F2;
}

.nc-biz-title {
    font-size: 17px;
    font-weight: 600;
    color: #1A1A1A;
    margin-bottom: 10px;
    letter-spacing: -.01em;
}

.nc-biz-desc {
    font-size: 13px;
    line-height: 1.85;
    color: #8C8C8C;
    min-height: 96px;
}

.nc-biz-link {
    display: inline-block;
    margin-top: 6px;
    font-size: 13px;
    color: #FF6A00;
    font-weight: 500;
    transition: opacity .2s cubic-bezier(.4, 0, .2, 1);
}

.nc-biz-link:hover {
    opacity: .75;
}

.nc-business-note {
    width: 1200px;
    margin: 0 auto;
    padding: 4px 0 26px;
    text-align: center;
    font-size: 13px;
    color: #B0B0B0;
    letter-spacing: .02em;
}

/* ---------------------------------------------- 公司实力数据条 */
.nc-strength {
    display: flex;
    gap: 12px;
    margin-top: 14px;
    padding-top: 6px;
}

.nc-st-item {
    flex: 1;
    background: #FAFAFA;
    border: 1px solid #F2F2F2;
    border-radius: 12px;
    padding: 14px 10px;
    text-align: center;
    transition: background-color .2s cubic-bezier(.4, 0, .2, 1),
                border-color .2s cubic-bezier(.4, 0, .2, 1);
}

.nc-st-item:hover {
    background: #FFF4EC;
    border-color: #FFE8D6;
}

.nc-st-num {
    font-size: 24px;
    font-weight: 600;
    color: #FF6A00;
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
    letter-spacing: -.02em;
}

.nc-st-num span {
    font-size: 12px;
    font-weight: 400;
    color: #B0B0B0;
    margin-left: 3px;
}

.nc-st-label {
    margin-top: 6px;
    font-size: 12px;
    color: #8C8C8C;
}

/* ---------------------------------------------- banner 右侧标题适配 */
.banner_right_title {
    line-height: 1.5;
}