/* 为什么选择-质量控制-板块1 */
.md21657.md-mass_control1{position: relative;width: 100%;padding: 1rem 0 .7rem; background-color: #f7f7f7;}
.md21657.md-mass_control1 img{display: inline-block;vertical-align:middle;max-width: 100%;}
.md21657.md-mass_control1 .layout{width: 16rem;max-width: 92%;margin: 0 auto;}
.md21657.md-mass_control1 .my-id{position: absolute;top: -1.8rem;}
.md21657.md-mass_control1 .w-item{display: flex;align-items: center;flex-wrap: wrap;width: 100%;margin-bottom: .3rem;background-color: #ffffff;}
.md21657.md-mass_control1 .w-imgbox{width: 50%;}
.md21657.md-mass_control1 .w-img{width: 100%;position: relative;overflow: hidden;padding-top: calc(460/800*100%);}
.md21657.md-mass_control1 .w-img img{position: absolute;top: 0;left: 0;width: 100%;height: 100%;object-fit: cover;transform: scale(1.00);transition: all ease .5s;}
.md21657.md-mass_control1 .w-text{width: 50%;padding: .15rem .6rem;}
.md21657.md-mass_control1 .w-name{position: relative;padding-bottom: .2rem;margin-bottom: .3rem;width: 100%;color: #111111;font-weight: bold;line-height: 1.4;}
.md21657.md-mass_control1 .w-name:after{content: '';position: absolute;bottom: 0;left: 0;width: .4rem;height: .03rem;background-color: var(--active);}
.md21657.md-mass_control1 .w-textbox{width: 100%;color: #666666;line-height: 1.75;}
.md21657.md-mass_control1 .w-textbox *{line-height: inherit;}
.md21657.md-mass_control1 .w-more{display: inline-block;margin-top: .5rem;padding: 0 .2rem;color: #ffffff;line-height: .5rem;border-radius: .25rem;background-color: var(--theme);}
.md21657.md-mass_control1 .w-item:nth-child(2n){flex-direction: row-reverse;}

@media (max-width: 750px) {
   .md21657.md-mass_control1 .w-imgbox{width: 100%;}
   .md21657.md-mass_control1 .w-text{width: 100%;padding: .3rem;}
   .md21657.md-mass_control1 .w-more{line-height: .6rem;border-radius: .3rem;}
}

/* 为什么选择-质量控制-板块2 */ 
.md21658.md-mass_control2{overflow: hidden;width: 100%;padding: .95rem 0 .6rem; background-color: #000;background-size: cover;background-position: center center;background-repeat: no-repeat;}
.md21658.md-mass_control2 img{display: inline-block;vertical-align:middle;max-width: 100%;}
.md21658.md-mass_control2 .layout{width: 16rem;max-width: 92%;margin: 0 auto;}
.md21658.md-mass_control2 .my-top{width: 100%;padding-bottom: .5rem;text-align: center;}
.md21658.md-mass_control2 .my-titles{width: 100%;color: #ffffff;font-weight: bold;line-height: 1.25;}
.md21658.md-mass_control2 .my-synopsis{width: 100%;padding-top: .1rem;color: #ffffff;line-height: 1.75;}
.md21658.md-mass_control2 .x-swiperbox{position: relative; width: 100%;}
.md21658.md-mass_control2 .x-swiperbox:before{content: '';position: absolute;top: 0;left:  50%;transform: translate(-50%,0);width: 19.2rem;height: 2rem;background-image: url('../images/a38.png');background-size: cover;background-position: center center;background-repeat: no-repeat;}
.md21658.md-mass_control2 .x-swiper{width: 100%;}
.md21658.md-mass_control2 .x-item{transition: all  .5s; width: 25%;height: auto;min-height: 5.1rem;padding-bottom: .3rem;padding-top: .2rem;}
.md21658.md-mass_control2 .x-link{position: relative;display: block;width: 100%;padding-top: .85rem;padding-right: .3rem;}
.md21658.md-mass_control2 .x-link:before{content: '';position: absolute;top: 0;left: 0;width: .4rem;height: .4rem;border-radius: 50%;border: solid 1px rgba(255,255,255,.2);}
.md21658.md-mass_control2 .x-link:after{content: '';position: absolute;top: .16rem;left: .16rem;width: .08rem;height: .08rem;border-radius: 50%;background-color: #fff;}
.md21658.md-mass_control2 .x-nub{width: 100%;margin-bottom: .25rem;color: #ffffff;font-weight: bold;line-height: 1.25;}
.md21658.md-mass_control2 .x-name{width: 100%;max-width: 3.15rem;margin-bottom: .18rem;color: #ffffff;font-weight: bold;line-height: 1.5;}
.md21658.md-mass_control2 .x-textbox{width: 100%;max-width: 3.15rem; color: #ffffff;line-height: 2;}
.md21658.md-mass_control2 .x-textbox *{line-height: inherit;}
.md21658.md-mass_control2 .x-textbox p{position: relative;padding-left: calc(5px + .1rem);}
.md21658.md-mass_control2 .x-textbox p:after{content: '';position: absolute;top: 1em;left: 0;margin-top: -2.5px;width: 5px;height: 5px;border-radius: 50%;background-color: #fff;}

.md21658.md-mass_control2 .x-buttom{width:100%;display: flex;align-items: center;}
.md21658.md-mass_control2 .x-lt{position: relative;width: 1.1rem;height: .5rem;}
.md21658.md-mass_control2 .x-rt{flex: 1;padding-left: .4rem;}
.md21658.md-mass_control2 .x-prev{transition: all  .3s;margin-top: -.25rem;left:  0;width: .5rem;height: .5rem;border-radius: 50%;border: solid 1px rgba(255,255,255,.2);background-image: url('../images/a16.png');background-size: .08rem auto;background-position: center center;background-repeat: no-repeat;}
.md21658.md-mass_control2 .x-prev:hover{background-image: url('../images/a16-b.png');background-color: #fff;}
.md21658.md-mass_control2 .x-next{transform: rotate(-180deg);transition: all  .3s;margin-top: -.25rem;right:  0;width: .5rem;height: .5rem;border-radius: 50%;border: solid 1px rgba(255,255,255,.2);background-image: url('../images/a16.png');background-size: .08rem auto;background-position: center center;background-repeat: no-repeat;}
.md21658.md-mass_control2 .x-next:hover{background-image: url('../images/a16-b.png');background-color: #fff;}
.md21658.md-mass_control2 .x-scrollbar{position: relative;width: 100%;height: 2px;background-color: rgba(255,255,255,.2);}
.md21658.md-mass_control2 .x-scrollbar .swiper-scrollbar-drag{background-color: #fff;}
@media (min-width: 750px) {
   .md21658.md-mass_control2 .x-item.swiper-slide-active + .x-item{padding-top: .55rem;}
   .md21658.md-mass_control2 .x-item.swiper-slide-active + .x-item + .x-item{padding-top: 1.15rem;}
   .md21658.md-mass_control2 .x-item.swiper-slide-active + .x-item + .x-item + .x-item{padding-top: 1.8rem;}
}

@media (max-width: 750px) {
   .md21658.md-mass_control2 .x-swiperbox:before{top: .2rem;height: 1px;background-color: rgba(255,255,255,.2);background-size: 0 0;}
   .md21658.md-mass_control2 .x-item{width: 80%;max-width: 5rem; padding-top: 0;}
   .md21658.md-mass_control2 .x-name{max-width: 100%;}
   .md21658.md-mass_control2 .x-textbox{max-width: 100%;}
}

/* 为什么选择-质量控制-板块3 */
.md21659.md-mass_control3{overflow: hidden; width: 100%;padding: .95rem 0 .9rem;}
.md21659.md-mass_control3 img{display: inline-block;vertical-align:middle;max-width: 100%;}
.md21659.md-mass_control3 .layout{width: 16rem;max-width: 92%;margin: 0 auto;}
.md21659.md-mass_control3 .my-top{width: 100%;padding-bottom: .5rem;text-align: center;}
.md21659.md-mass_control3 .my-titles{width: 100%;color: #111111;font-weight: bold;line-height: 1.25;}
.md21659.md-mass_control3 .y-cont{width: calc(100% + .2rem);position: relative;left: -.1rem;}
.md21659.md-mass_control3 .y-swiper{width: 100%;overflow: visible;}
.md21659.md-mass_control3 .y-item{position: relative;width: 33.33%;height: auto;padding:  0 .1rem 1.2rem;position: relative;}
.md21659.md-mass_control3 .y-top{position: relative;display: block;width: 100%;height: 100%;text-align: center;padding: .6rem .3rem .5rem; background-color: #ffffff;box-shadow: 0px .1rem .5rem 0px rgba(0, 0, 0, 0.06);border: solid 1px #eeeeee;}
.md21659.md-mass_control3 .y-top:before{content: '';position: absolute;bottom: -.1rem;left: 50%;transform: translate(-50%,0) rotate(-45deg);width: .2rem;height: .2rem;background-color: #ffffff;border: solid 1px #eeeeee;}
.md21659.md-mass_control3 .y-top:after{content: '';position: absolute;bottom: 0;left: 0;width: 100%;height: .2rem;background-color: #ffffff;}
.md21659.md-mass_control3 .y-icon{display: inline-block;border-radius: 50%;background-color: var(--theme);}
.md21659.md-mass_control3 .y-icon img{width: .8rem;height: .8rem;object-fit: contain;}
.md21659.md-mass_control3 .y-text{width: 100%;padding-top: .3rem;}
.md21659.md-mass_control3 .y-name{width: 100%;margin-bottom: .15rem;color: #111111;line-height: 1.5;font-weight: bold;}
.md21659.md-mass_control3 .y-intro{width: 100%;max-width: 26em;margin: 0 auto; color: #666666;line-height: 1.75;}
.md21659.md-mass_control3 .y-intro *{line-height: inherit;} 
.md21659.md-mass_control3 .y-bottom{position: absolute;bottom: 0;left: 0;width: 100%;}
.md21659.md-mass_control3 .y-nub{width: 100%;text-align: center;padding-top: .5rem;color: var(--theme);line-height: 1.6;}
.md21659.md-mass_control3 .y-nub:before{content: '';position: absolute;position: absolute;top: calc(.25rem - 4px);left: 50%;width: 100%;height: 1px;border: dashed 1px rgba(0,0,0,.1);}
.md21659.md-mass_control3 .y-nub:after{content: '';position: absolute;position: absolute;top: .14rem;left: 50%;width: 100%;height: .15rem;background-image: url('../images/a37.png');background-size: auto 100%;background-position: center center;background-repeat: no-repeat;}
.md21659.md-mass_control3 .y-circle{position: absolute;top: 0;left: 0;width: 100%;height: .4rem;background-image: url('../images/b72.jpg');background-size: auto 100%;background-position: center center;background-repeat: no-repeat;}
.md21659.md-mass_control3 .y-item:last-child .y-nub:before{display: none;}
.md21659.md-mass_control3 .y-item:last-child .y-nub:after{display: none;}

@media (max-width: 750px) { 
  .md21659.md-mass_control3 .y-item{width: 90%;}
}

/* 为什么选择-质量控制-板块4 */
.md21660.md-mass_control4{width: 100%;padding: 1rem 0 .7rem; background-color: #f7f7f7;}
.md21660.md-mass_control4 img{display: inline-block;vertical-align:middle;max-width: 100%;}
.md21660.md-mass_control4 .layout{width: 16rem;max-width: 92%;margin: 0 auto;}
.md21660.md-mass_control4 .z-item{display: flex;align-items: center;flex-wrap: wrap;width: 100%;margin-bottom: .3rem;background-color: #ffffff;}
.md21660.md-mass_control4 .z-imgbox{width: 50%;}
.md21660.md-mass_control4 .z-img{width: 100%;position: relative;overflow: hidden;padding-top: calc(460/800*100%);}
.md21660.md-mass_control4 .z-img img{position: absolute;top: 0;left: 0;width: 100%;height: 100%;object-fit: cover;transform: scale(1.00);transition: all ease .5s;}
.md21660.md-mass_control4 .z-text{width: 50%;padding: .15rem .6rem;}
.md21660.md-mass_control4 .z-name{position: relative;padding-bottom: .2rem;margin-bottom: .3rem;width: 100%;color: #111111;font-weight: bold;line-height: 1.4;}
.md21660.md-mass_control4 .z-name:after{content: '';position: absolute;bottom: 0;left: 0;width: .4rem;height: .03rem;background-color: var(--active);}
.md21660.md-mass_control4 .z-textbox{width: 100%;color: #666666;line-height: 1.75;}
.md21660.md-mass_control4 .z-textbox *{line-height: inherit;}
.md21660.md-mass_control4 .z-more{display: inline-block;margin-top: .5rem;padding: 0 .2rem;color: #ffffff;line-height: .5rem;border-radius: .25rem;background-color: var(--theme);}
.md21660.md-mass_control4 .z-item:nth-child(2n + 1){flex-direction: row-reverse;}

@media (max-width: 750px) {
   .md21660.md-mass_control4 .z-imgbox{width: 100%;}
   .md21660.md-mass_control4 .z-text{width: 100%;padding: .3rem;}
   .md21660.md-mass_control4 .z-more{line-height: .6rem;border-radius: .3rem;}
}

/* 为什么选择-质量控制-板块5 */
.md21661.md-mass_control5{width: 100%;padding: .95rem 0 1rem;}
.md21661.md-mass_control5 img{display: inline-block;vertical-align:middle;max-width: 100%;}
.md21661.md-mass_control5 .layout{width: 16rem;max-width: 92%;margin: 0 auto;}
.md21661.md-mass_control5 .my-top{width: 100%;padding-bottom: .5rem;text-align: center;}
.md21661.md-mass_control5 .my-titles{width: 100%;color: #111111;font-weight: bold;line-height: 1.25;}
.md21661.md-mass_control5 .my-synopsis{width: 100%;padding-top: .1rem;max-width: 39em;margin: 0 auto;color: #666666;line-height: 1.75;}
.md21661.md-mass_control5 .wa-cont{width: 100%;}
.md21661.md-mass_control5 .wa-swiper{width: 100%;}
.md21661.md-mass_control5 .wa-item{width: 20%;height: auto;padding: 0 .1rem;}
.md21661.md-mass_control5 .wa-link{display: block;cursor: pointer; width: 100%;} 
.md21661.md-mass_control5 .wa-img{width: 100%;position: relative;overflow: hidden;padding-top: calc(396/304*100%);}
.md21661.md-mass_control5 .wa-img img{position: absolute;top: 0;left: 0;width: 100%;height: 100%;object-fit: cover;transform: scale(1.00);transition: all ease .5s;}
.md21661.md-mass_control5 .wa-text{width: 100%;padding: .2rem;}
.md21661.md-mass_control5 .wa-name{width: 100%;color: #111111;font-weight: bold;line-height: 1.5;}
.md21661.md-mass_control5 .wa-buttom{width:calc(100% - .2rem);margin: 0 auto;display: flex;align-items: center;margin-top: .35rem;}
.md21661.md-mass_control5 .wa-lt{position: relative;width: 1.1rem;height: .5rem;}
.md21661.md-mass_control5 .wa-rt{flex: 1;padding-left: .4rem;}
.md21661.md-mass_control5 .wa-prev{transition: all  .3s;margin-top: -.25rem;left:  0;width: .5rem;height: .5rem;border-radius: 50%;background-color: #f7f7f7;background-image: url('../images/a16-b.png');background-size: .08rem auto;background-position: center center;background-repeat: no-repeat;}
.md21661.md-mass_control5 .wa-prev:hover{background-image: url('../images/a16.png');background-color: var(--theme);}
.md21661.md-mass_control5 .wa-next{transform: rotate(-180deg);transition: all  .3s;margin-top: -.25rem;right:  0;width: .5rem;height: .5rem;border-radius: 50%;background-color: #f7f7f7;background-image: url('../images/a16-b.png');background-size: .08rem auto;background-position: center center;background-repeat: no-repeat;}
.md21661.md-mass_control5 .wa-next:hover{background-image: url('../images/a16.png');background-color: var(--theme);}
.md21661.md-mass_control5 .wa-scrollbar{position: relative;width: 100%;height: 2px;background-color: rgba(0,0,0,.08);}
.md21661.md-mass_control5 .wa-scrollbar .swiper-scrollbar-drag{background-color: var(--theme);}
.md21661.md-mass_control5 .wa-big_img{width: 100%;}
.md21661.md-mass_control5 .wa-big_img img{width: 100%;}
@media (max-width: 750px) {
   .md21661.md-mass_control5 .wa-item{width: 50%;}
}