.text-12 {font-size: 1.2rem;}
.text-14 {font-size: 1.4rem;}
.text-16 {font-size: 1.6rem;}
.text-17 {font-size: 1.7rem;}
.text-18 {font-size: 1.8rem;}
.text-20 {font-size: 2.0rem;}
.text-22 {font-size: 2.2rem;}
.text-24 {font-size: 2.4rem;}
.text-26 {font-size: 2.6rem;}
.text-28 {font-size: 2.8rem;}
.text-30 {font-size: 3.0rem;}
.text-32 {font-size: 3.2rem;}
.text-34 {font-size: 3.4rem;}
.text-36 {font-size: 3.6rem;}
.text-38 {font-size: 3.8rem;}
.text-40 {font-size: 4.0rem;}
.text-42 {font-size: 4.2rem;}
.text-44 {font-size: 4.4rem;}
.text-46 {font-size: 4.6rem;}
.text-48 {font-size: 4.8rem;}
.text-50 {font-size: 5.0rem;}
.text-52 {font-size: 5.2rem;}
.text-54 {font-size: 5.4rem;}
.text-56 {font-size: 5.6rem;}
.text-58 {font-size: 5.8rem;}
.text-60 {font-size: 6.0rem;}
.text-62 {font-size: 6.2rem;}
.text-64 {font-size: 6.4rem;}
.text-66 {font-size: 6.6rem;}
.text-68 {font-size: 6.8rem;}
.text-70 {font-size: 7.0rem;}
.text-80 {font-size: 8.0rem;}




html {font-size: 62.5%;}
body,a,input,select,textarea {font-family: 'Nexa-l',PingFang SC,'Microsoft YaHei',-apple-system,Arial,sans-serif,Helvetica,system-ui,Noto Sans,Segoe UI,Roboto,Ubuntu;}

h1,h2,h3,h4,h5,h6,strong,b{font-weight: bold;margin: 0;padding: 0;}  

.index-my-products-left .title-3 strong,.contact-us-item .item-3 strong {font-family: 'Nexa-b';font-weight: normal;}




/* fonts */
@font-face {font-family: 'Nexa-b';src: url('../upload/Nexa_Bold.otf');font-weight: normal;font-style: normal;}   
@font-face {font-family: 'Nexa-l';src: url('../upload/Nexa_Light.otf');font-weight: normal;font-style: normal;}   


@media screen and (max-width: 5120px) { 
	 
}
@media screen and (max-width: 3840px) { 
	  
}
@media screen and (max-width: 2560px) {	
	
}
@media screen and (max-width: 2048px) {

}
@media screen and (max-width: 1920px) {	
	  
}
@media screen and (max-width: 1860px) {	 
}
@media screen and (max-width: 1680px) {
    .text-14 {font-size: 1.2rem;}
    .text-16 {font-size: 1.2rem;}
    .text-17 {font-size: 1.3rem;}
    .text-18 {font-size: 1.4rem;}
    .text-20 {font-size: 1.5rem;}
    .text-22 {font-size: 1.6rem;}
    .text-24 {font-size: 1.7rem;}
    .text-26 {font-size: 1.8rem;}
    .text-28 {font-size: 1.9rem;}
    .text-30 {font-size: 2.0rem;}
    .text-32 {font-size: 2.2rem;}
    .text-34 {font-size: 2.4rem;}
    .text-36 {font-size: 2.6rem;}
    .text-38 {font-size: 2.8rem;}
    .text-40 {font-size: 3.0rem;}
    .text-42 {font-size: 3.2rem;}
    .text-44 {font-size: 3.4rem;}
    .text-46 {font-size: 3.6rem;}
    .text-48 {font-size: 3.8rem;}
    .text-50 {font-size: 4.0rem;}
    .text-52 {font-size: 4.2rem;}
    .text-54 {font-size: 4.4rem;}
    .text-56 {font-size: 4.6rem;}
    .text-58 {font-size: 4.8rem;}
    .text-60 {font-size: 5.0rem;}
    .text-62 {font-size: 5.2rem;}
    .text-64 {font-size: 5.4rem;}
    .text-66 {font-size: 5.6rem;}
    .text-68 {font-size: 5.8rem;}
    .text-70 {font-size: 6.0rem;}
    .text-80 {font-size: 7.0rem;}
 
}
@media screen and (max-width: 1440px) { 
}
@media screen and (max-width: 1366px) { 

}
@media screen and (max-width: 1280px) {  
}
@media screen and (max-width: 1152px) { 
}
@media screen and (max-width: 1024px) { 
}
@media screen and (max-width: 980px) {  
    html {font-size: 50%;}
}