/*-- 布局 start --*/

/*header*/
.header-container {
    background-color: #fff;
    border-bottom: 1px solid #dadada;
}
.header-logo-container,
.header-btn-container,
.header-nav-container {
    height: 64px;
}
.header-btn-container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

/*nav*/
.nav-container {
    overflow: hidden;
    position: relative;
    top: -1px;
    height: 0;
    border-bottom: 1px solid #dadada;
    transition: height 0.5s;
}
.nav-container-extended {
    top: 0;
    height: 201px;
}

/*slider*/
.slider-container {
    margin-top: 20px;
    margin-bottom: 20px;
}
.slider-container .row {
    background-color: #f5f5f5;
    margin-left: 0;
    margin-right: 0;
}
@media (min-width: 768px) {
    .slider-container .row {
        display: flex;
        align-items: center;
    }
}
.slider-text-container {
    padding: 20px 0;
}

/*product*/
.product-container {
    margin-bottom: 20px;
}

/*backtop*/
.backtop-container {
    background-color: #fff;
    border-top: 1px solid #dadada;
    border-bottom: 1px solid #dadada;
}

/*helper*/
.helper-container {
    padding-top: 20px;
    padding-bottom: 10px;
    background-color: #f7f7f7;
    font-size: 12px;
    line-height: 2;
}
.helper-info-container {
    margin-bottom: 20px;
    line-height: 1.6;
}
.helper-backtop-container {
    margin-bottom: 10px;
}

/*footer*/
.footer-container {
    padding: 15px 0;
    background-color: #363636;
    color: #a6a6a6;
    font-size: 12px;
    line-height: 2;
}

/*-- 布局 end --*/


/*-- 组件 start --*/

/*btn-toggle*/
.btn-toggle {
    padding: 10px;
    background-color: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.btn-toggle:hover {
    background-color: #f9f9f9;
}
.btn-toggle:hover .btn-toggle-bar {
    background-color: #1428a0;
}
.btn-toggle-bar {
    display: block;
    width: 24px;
    height: 4px;
    background-color: #363636;
    border-radius: 2px;
}
.btn-toggle-bar + .btn-toggle-bar {
    margin-top: 4px;
}

/*btn-rounded*/
.btn-rounded {
    display: inline-block;
    padding: 10px 30px;
    background-color: transparent;
    border: 1px solid #000;
    border-radius: 30px;
    color: #000;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s;
}
.btn-rounded:hover {
    background-color: #000;
    color: #fff;
}

/*btn-backtop*/
.btn-backtop:after {
    content: '';
    position: relative;
    top: -2px;
    left: 5px;
    display: inline-block;
    width: 10px;
    height: 6px;
    background-image: url(../img/up.svg);
}
.btn-backtop:hover:after {
    background-image: url(../img/up-hover.svg);
}

/*btn-share*/
.btn-share {
    display: inline-block;
    width: 30px;
    height: 30px;
    background-size: 100% 100%;
}
.btn-share-weixin {
    background-image: url(../img/weixin.svg);
}
.btn-share-weixin:hover {
    background-image: url(../img/weixin-hover.svg);
}
.btn-share-weibo {
    background-image: url(../img/weibo.svg);
}
.btn-share-weibo:hover {
    background-image: url(../img/weibo-hover.svg);
}

/*-- 组件 end --*/


/*-- 内容 start --*/

/*header*/
.header-logo {
    display: flex;
    align-items: center;
    width: 136px;
    height: 100%;
}
.header-nav,
.header-nav-item,
.header-nav-link {
    height: 100%;
}
.header-nav {
    display: flex;
    justify-content: flex-end;
    font-size: 14px;
}
.header-nav-item {
    margin-left: 24px;
}
.header-nav-item:first-child {
    margin-left: 0;
}
.header-nav-link {
    display: flex;
    align-items: center;
    font-weight: bold;
}

/*nav*/
.nav-link {
    display: block;
    height: 40px;
    line-height: 40px;
    font-weight: bold;
}

/*slider*/
.slider-title,
.slider-subtitle,
.slider-btns {
    margin-bottom: 20px;
    text-align: center;
}
.slider-title {
    font-size: 30px;
}
.slider-subtitle {
    font-size: 20px;
    font-weight: normal;
}
.slider-btns .btn-rounded {
    margin-right: 10px;
    margin-bottom: 10px;
}
.slider-btns .btn-rounded:last-child {
    margin-right: 0;
}

/*product*/
.product-item {
    overflow: hidden;
    display: block;
}
.product-img {
    transition: transform 1s;
}
.product-img:hover {
    transform: scale(1.2);
}

/*backtop*/
.backtop-container .btn-backtop {
    display: block;
    padding: 18px 0;
    text-align: center;
}

/*helper*/
.helper-list-title {
    font-size: 16px;
}
.helper-list {
    margin-bottom: 10px;
}
.helper-list .btn-share {
    margin-top: 10px;
    margin-right: 12px;
}
.helper-list .btn-share:last-child {
    margin-right: 0;
}

/*footer*/
.footer-item {
    display: inline-block;
    margin-right: 20px;
}
.footer-item:last-child {
    margin-right: 0;
}
.footer-link {
    color: #fff;
    font-size: 14px;
    font-weight: bold;
}
.footer-link:hover {
    color: #fff;
    text-decoration: underline;
}

/*-- 内容 end --*/