/* 清除样式 */ *{margin:0;padding:0;} 
		/* a无下划线 */ a{text-decoration: none !important; margin-top:9px;} 
		img{ width:6vw; height:6vh; border-radius:0.25rem; }
		video img{ width:640px; height:340px; } 




		/* ↓ mtcx pmdx */

			/* 4k 3840×2160 () */
			@media screen and (min-width:3840px) {
				body{ font-size:1.35rem; }
				#ph{ display:none; } 
				img{ width:5vw; height:5vh; }
				video{ height:19.6vh; width:auto; }
				.tipsText{ font-size:0.6rem; }
			} 

			

			/* 2k 2560×1440 () */
			@media screen and (min-width:2560px) and (max-width:3839px) {
				body{ font-size:1.3rem; }
				#ph{ display:none; } 
				img{ width:9vw; height:15vh; }
				video{ width:19vw; height:19.6vh;}
				.tipsText{ font-size:0.6rem; }
			} 

			

			/* 1k 1920x1080 () */
			@media screen and (min-width:1901px) and (max-width:2559px) {
				body{ font-size:1.2rem; }
				#ph{ display:none; } 
				img{ width:9vw; height:15vh; }
				video{ width:19vw; height:19.6vh;}
				.tipsText{ font-size:0.6rem; }
			}


			
			/*0.9K ipadpro12.9 buBuGaoS5Pro*/
			@media screen and (min-width:992px) and (max-width:1900px) { 
				#ph{ display:none; }
				audio{ width:30vw;}
				img{ width:9vw; height:15vh; }
				video{ width:15vw; height:12vh; }
				.tipsText{ font-size:0.6rem; }
			}
			
			
			
			/*0.7K 中屏(四分屏时) allPhoneIn ipad bbgS3 (miPhone oppo phone */ 
			@media screen and (min-width:768px) and (max-width:991px) {
				#pc{ display:none; }
				audio{ width:30vw;}
				img{ width:9vw; height:9vh; }
				video{ width:30vw; height:20vh; }
				.tipsText{ font-size:0.6rem; }
			} 
			
			
			
			/*0.5K 小屏 mipad */
			@media screen and (min-width:576px) and (max-width:767px) {
				#pc{ display:none; }
				img{ width:17vw; height:12vh; }
				audio{ width:30vw;}
				video{ width:30vw; height:20vh; }
				.tipsText{ font-size:0.6rem; }
			} 
			
			
			
			/*0.4K 底屏 */
			@media screen and (max-width:575px) {
				#pc{ display:none; }
				audio{ width:43.4vw;}
				img{ width:21vw; height:10vh; }
				video{ width:30vw; height:20vh; }
				.tipsText{ font-size:0.6rem; }
			}


		/* ↑ */
		
		






		/* Start(A label) */
			
			a:link {
				text-decoration:none; 
			
				margin-top:0.25rem; 
				display:inline-block; 
				
				border: 0px solid pink; 
				border-radius: 3px; 
				
				color: rgb(0, 0, 0,0.9); 
				background: rgb(221, 230, 229);
				
				padding:0.25rem; 
				text-align: center;
				
				transition: 0.1s; 
			}	
			
			a:visited {	
				color: rgb(0, 0, 0,0.9);
			} 
			
			/* open style */
			a:focus {
				color:deeppink; 
				background:rgb(170, 170, 170); 
				box-shadow: 0 0 2px 3px silver; /* */
				} 
			
			/* style */
			a:hover { 
				color:blue; 
				background: rgb(200,230,250);
				box-shadow: 0 0 2px 3px rgb(170,170,170); 
			}
			
			/* style */
			a:active {
				color:greenyellow; 
				background:rgb(170,170,170);
				box-shadow: 0 0 0px 0px rgb(170,170,170); 
			}
			
		/* End(A label) */