:root{--theme:#138FD4;--btn-create:#0D9979;--btn-create-hover:#0D8969;--btn-destroy:#FF5A63;--btn-destroy-hover:#EF4A53;--btn-modify:#2CA3E9;--btn-modify-hover:#1C93D9;--btn-find:#346184;--btn-find-hover:#245174;--btn-confirm:#2CA3E9;--btn-confirm-hover:#1C93D9;--btn-cancel:#FFFFFF;--btn-cancel-hover:#EEEEEE;--text-h:#4F5065;--text-normal:#77788D;--dialog:#4F5065}*{position:relative;margin:0;padding:0}::selection{background:#e88;color:#fff}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:#ccc}::-webkit-scrollbar-thumb{background:#666}body{font-family:Helvetica,Arial,sans-serif,'Microsoft Yahei';color:var(--text-normal)}.w{position:relative;width:1200px;margin:0 auto;height:inherit}.hc{position:absolute;left:50%;translate:-50%}.vc{position:absolute;top:50%;translate:0 -50%}.hvc{position:absolute;left:50%;top:50%;translate:-50% -50%}header{position:sticky;top:0;z-index:100;background-color:rgba(255,255,255,.8);height:48px;user-select:none;box-shadow:0 0 4px #bbb}.header1200{position:relative;width:1200px;margin:0 auto;height:inherit;display:flex;align-items:center}#logo_link{display:flex;align-items:center;text-decoration:none}#logo{width:30px;height:30px;background-image:url("/static/media/images/xpart.PS45lG.svg");background-size:cover}.logo_desc{margin-left:14px;font-size:25px;font-weight:700;color:#444746}.spacer{height:inherit;flex:1}.tab{margin-right:70px;font-family:sans-serif;text-decoration:none;color:#79777f;line-height:16px;transition:color .2s linear;cursor:pointer}.tab:hover{color:#49474f}.tab:nth-last-child(2){margin-right:90px}.account{color:#79777f;margin-left:auto}.login,.register{font-family:"Trebuchet MS";text-decoration:none;color:#79777f;font-size:17px;transition:color .2s linear;cursor:pointer}.login:hover,.register:hover{color:#49474f}.avatar{display:block;width:30px;height:30px;margin-left:auto;cursor:pointer;text-decoration:none;background-size:cover;line-height:30px;text-align:center;font-size:21px;color:#fff}.avatar::after{position:absolute;content:'';width:38px;height:38px;left:-4px;top:-4px;z-index:-1}.avatar:hover::after{background-color:rgba(0,0,0,.05)}.dialog{position:fixed;padding:40px 35px;overflow:hidden;background-color:#fff;border-radius:15px;box-shadow:0 0 20px rgba(0,0,0,.2);width:500px;left:50%;top:37%;transform:translate(-50%,-50%);transition:top .1s linear,opacity .1s linear;opacity:0}.dialog_ani{opacity:1;top:40%}.dialog_title{color:#333;font-size:21px;font-weight:700}.dialog_body{color:#333;margin-top:40px}.dialog_input_11{display:inline-block;outline:0;color:#333;border:none;border-bottom:1px solid #ddd;width:99.5%;font-size:16px;height:32px}.err_msg{font-size:13px;color:#ff3750;margin-top:5px}.dialog_btns{margin-top:45px;display:flex;justify-content:space-between}.dialog_btns>*{height:50px;line-height:50px;border-radius:6px;text-align:center;border:1px solid #222;cursor:pointer;user-select:none}.dialog_btn_11{width:100%}.dialog_btn_21{width:35%}.dialog_btn_22{width:60%}.black_btn{background-color:#424242;transition:background-color .3s;color:#f5f5f5}.black_btn:hover{background-color:#4d4d4d}.white_btn{transition:background-color .3s;background-color:#f7f7f7;color:#333}.white_btn:hover{background-color:#fff}