/* 功能描述 */
.feature {
    padding-bottom: 100px;
    background-color: #fff;
}
.feature .feature-wrap {
    margin-top: 58px;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.feature .feature-wrap .feature-wrap-item {
    padding: 30px 50px;
    background-color: #fafafa;
    border-radius: 6px;
}
.feature .feature-wrap .feature-wrap-item h1 {
    font-weight: bold;
    font-size: 20px;
}
.feature .feature-wrap .feature-wrap-item div {
    margin-top: 14px;
    line-height: 24px;
}
.feature .feature-wrap .feature-wrap-item img {
    margin: 40px auto 0;
    width: var(--width);
    height: var(--header-height);
    display: block;
}

/* 应用场景 */
.scene {
    margin-top: 80px;
}
.scene .tab {
    position: relative;
    margin-top: 30px;
    width: 100%;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    box-shadow: 0px 6px 15px 1px rgba(176, 184, 203, 0.26);
    border-radius: 6px;
}
.scene .tab .tab-item {
    height: 100%;
    line-height: 68px;
    position: relative;
    font-size: 16px;
    cursor: pointer;
}
.scene .tab .tab-item.active {
    color: var(--color-primary);
    font-weight: bold;
    transition: font-weight 0.3s ease;
}
.scene .tab-bar {
    position: absolute;
    bottom: 0;
    left: var(--left);
    width: var(--width);
    height: 4px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}
.scene .tab .tab-item:first-of-type {
    margin-right: 75px;
}

.scene .scene-wrap {
    margin-top: 18px;
    padding: 80px 50px;
    background-color: #fff;
    border-radius: 6px;
    position: relative;
}
.scene .scene-wrap-item {
    width: 50%;
}
.scene .scene-wrap-item:last-of-type {
    margin-top: 65px;
}
.scene .scene-wrap-item h1 {
    font-weight: bold;
    font-size: 16px;
}
.scene .scene-wrap-item div {
    margin-top: 14px;
    line-height: 24px;
}
.scene .scene-wrap-item ul li {
    position: relative;
    padding-left: 10px;
    margin-bottom: 10px;
}
.scene .scene-wrap-item ul li:last-of-type {
    margin-bottom: 0;
}
.scene .scene-wrap-item ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 50%;
}

.scene .web-img {
    position: absolute;
    right: 70px;
    top: 50%;
    width: 500px;
    height: 273px;
    transform: translateY(-50%);
}

.scene .scene-wrap.video-wrap {
    display: flex;
    align-items: center;
}
.scene .scene-wrap.video-wrap .description {
    width: 50%;
    line-height: 24px;
    flex-shrink: 0;
}
.scene .scene-wrap.video-wrap img {
    margin: 0 auto;
}

/* 产品优势 */
.advantage {
    margin-top: 80px;
    padding: 78px 0 100px;
    background-color: #fff;
}
.advantage ul {
    margin-top: 100px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px 50px;
}
.advantage ul img {
    width: var(--width);
    height: var(--header-height);
}
.advantage ul h1 {
    margin-top: 16px;
    font-size: 16px;
    font-weight: bold;
}
.advantage ul div {
    margin-top: 14px;
    line-height: 24px;
}
.advantage ul li {
    position: relative;
    padding: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
}
.advantage ul li:hover {
    box-shadow: 3px 3px 12px rgba(55, 99, 170, 0.2);
}