.fs_head{position: fixed;top: 0;left: 0;right: 0;z-index: 10;background-color: #fff;box-shadow: 0 0 10px 0 #eee;}
.fs_head_tc{height: 120px;display: flex;align-items: center;justify-content: space-between;overflow: hidden;transition: height .3s;}
.fs_head_tl{display: flex;align-items: center;}
.fs_head_tl>span{height: 40px;display: inline-block;margin: 0 15px;border-left: 1px solid #eee;}
.fs_head_tl>h1{font-size: 16px;font-weight: 400;}
.fs_head_tl>h1>p{font-size: 18px;font-weight: bold;line-height: 2;}
.fs_head_tr{display: flex;align-items: center;}
.fs_head_tr>img{margin-right: 10px;}
.fs_head_tr>p{font-size: 24px;color: var(--base);}
.fs_head_tr>p>span{font-size: 16px;color: #666;}

.fs_head_b{background-color: #f7f7f7;}
.fs_head_bc{transition: .3s;height: 50px;display: flex;align-items: center;justify-content: space-between;}
.fs_head_ri{position: relative;text-align: center;line-height: 50px;flex: 1;}
.fs_head_ri>a{display: inline-block;width: 100%;transition: .3s;}
.fs_head_ri>a>img{}
.fs_head_a{background-color: var(--base);}
.fs_head_a>a{color: #fff;}
.fs_head_menu{margin-left: 50px;cursor: pointer;}

.fs_head_short .fs_head_tc{height: 0;}

/* .fs_head_rr{position: relative;}
.fs_head_rr>img{padding: 20px 0 20px 60px;}
.fs_head_sear{padding: 20px 50px 30px;width: 316px;position: absolute;display: none;top: 100%;right: 0;width: auto;background-color: #fff;border-radius: 15px;box-shadow: 0 0 10px 0 #eee;}
.fs_head_se{border-bottom: 1px solid #eee;display: flex;justify-content: space-between;align-items: center;}
.fs_head_se>select{background-color: var(--base);color: #fff;height: 30px;padding: 0 5px;margin-right: 15px;border-radius: 5px;}
.fs_head_se>input{height: 50px;color: #333;}
.fs_head_se>img{cursor: pointer;} */


/*.fs_head_exc{position: absolute;top: 100%;left: 50%;transform: translateX(-50%);z-index: 2;background-color: #fff;display: none;overflow: hidden;box-shadow: 0 1px 12px 1px #eee;}
.fs_head_exc>a{color: #666;font-size: 13px;display: block;text-align: center;height: 40px;line-height: 40px;transition: .3s;padding: 0 30px;white-space: nowrap;}
.fs_head_exc>a:hover{background-color: var(--base);color: #fff;} */

/* .fs_head_prod{position: absolute;top: 100%;left: -200px;z-index: 2;background-color: #fff;display: none;overflow: hidden;box-shadow: 0 1px 12px 1px #eee;width: 740px;padding: 40px;text-align: left;}
.fs_head_pi{margin-bottom: 20px;}
.fs_head_pi>a{font-size: 16px;color: #333;font-weight: 500;border-left: 5px solid var(--base);padding-left: 10px;}
.fs_head_pii{margin-top: 10px;}
.fs_head_pii>a{margin-right: 30px;white-space: nowrap;line-height: 2;}
.fs_head_pii>a:hover{color: var(--base);} */

/* .fs_head_over{position: absolute;left: 0;top: 100%;right: 0;z-index: 2;background-color: #f9f9f9;overflow: hidden;box-shadow: 0 1px 12px 1px #eee;width: 100%;text-align: left;}
.fs_head_oc{display: flex;flex-wrap: wrap;align-items: flex-start;padding: 40px 0;}
.fs_over_oi{display: none;}
.fs_head_oc>h1{padding-left: 20px;border-left: 3px solid var(--base);font-size: 24px;color: var(--base);margin-right: 40px;}
.fs_head_oc>h1>p{font-size: 14px;color: #666;margin-top: 6px;}
.fs_head_oii{text-align: center;width: 180px;margin-right: 20px;}
.fs_head_oii>img{width: 100%;}
.fs_head_oii>h1{font-size: 14px;background-color: var(--base);color: #fff;height: 40px;line-height: 40px;} */
/* .fs_head_oii:hover h1{color: var(--base);} */

.fs_foot{}
.fs_foot{background-color: #2e3033;color: #fff;}
.fs_foot_tt{padding: 24px 0;border-bottom: 1px solid #000;}
.fs_foot_tt>p>a{color: #999;margin-right: 10px;}
.fs_foot_tt>p>a:hover{color: #ddd;}
.fs_foot_tb{display: flex;justify-content: space-between;padding: 60px 0;}
.fs_foot_tl{display: flex;}
.fs_foot_ti{margin-right: 40px;}
.fs_foot_ti>h1{color: #f0f0f0;font-size: 16px;font-weight: 400;margin-bottom: 10px;}
.fs_foot_ti>a{color: #999;font-size: 14px;display: block;line-height: 2;}
.fs_foot_tr>img{margin-bottom: 20px;}
.fs_foot_tr>p{line-height: 2;color: #f0f0f0;font-size: 16px;}
.fs_foot_b{background-color: #27292b;}
.fs_foot_bc{display: flex;justify-content: space-between;line-height: 46px;color: #999;}

/* .fs_title{text-align: center;padding: 30px 0;}
.fs_title>h1{font-size: 30px;font-weight: 600;}
.fs_title>h1>span{color: var(--base);}
.fs_title>span{display: inline-block;width: 65px;height: 5px;background-color: var(--base);margin-top: 30px;}
.fs_title>p{font-size: 16px;margin-top: 20px;} */

.fs_top{display: flex;justify-content: space-between;align-items: center;margin-top: 60px;padding-bottom: 20px;border-bottom: 2px solid #dedede;}
.fs_top_l{}
.fs_top_l>span{width: 20px;height: 60px;background-color: var(--base);float: left;margin-right: 20px;margin-top: 10px;}
.fs_top_l>h1{font-size: 30px;font-weight: bold;color: var(--base);white-space: nowrap;}
.fs_top_l>p{font-size: 18px;font-weight: bold;line-height: 2;}

.fs_cate{display: flex;}
.fs_cate>a{font-size: 14px;cursor: pointer;white-space: nowrap;transition: .3s;height: 42px;line-height: 42px;color: #333;flex: 1;text-align: center;border-radius: 10px;border: solid 1px #737373;padding: 0 30px;margin-left: 30px;}
.fs_cate> .fs_cate_a{background-color: var(--base);color: #fff;border-color: var(--base);}

.fs_nav{background-color: #f7f7f7;overflow: auto;}
.fs_nav_c{height: 70px;display: flex;align-items: center;width: var(--lg);margin: 0 auto;}
.fs_nav_c>img{margin-right: 10px;}
.fs_nav_c>a{}
.fs_nav_c>span{margin: 0 10px;font-family: monospace,serif;color: #999;}
.fs_nav_a{color: var(--base);font-weight: bold;}

/* .fs_tact{width: 100%;position: relative;background-color: var(--base);color: #feffff;padding: 60px 0;}
.fs_tact>h1{text-align: center;font-size: 30px;}
.fs_tact_c{display: flex;justify-content: space-between;margin-top: 60px;}
.fs_tact_i{transition: .3s;text-align: center;}
.fs_tact_i>h1{margin-top: 20px;line-height: 2;font-size: 18px;}
.fs_tact_i:hover{transform: scale(1.1);} */

.fs_banner_w{display: flex;flex-direction: column;position: absolute;left: 0;top: 0;bottom: 0;right: 0;align-items: center;justify-content: center;color: #fff;}
.fs_banner_w>h1{font-size: 40px;font-weight: 600;}
.fs_banner_w>p{margin: 20px 0 40px;font-size: 14px;width: 700px;line-height: 2;text-align: center;}
.fs_banner_w>span{width: 60px;height: 7px;display: inline-block;background-color: var(--base);}

.fs_nv{margin-top: 60px;width: 100%;padding: 0 0 60px;}
.fs_nv_c{display: flex;justify-content: space-between;align-items: center;gap: 40px;}
.fs_nv_c>a{overflow: hidden;text-overflow: ellipsis;white-space: nowrap;display: block;line-height: 2;}
.fs_nv_c>a:hover{color: var(--base);}

.fs_aside{position: fixed;right: 20px;top: 40vh;z-index: 10;}
.fs_aside_i{position: relative;cursor: pointer;transition: .3s;margin-bottom: 18px;display: flex;flex-direction: column;justify-content: center;align-items: center;}
[totop]{margin-top: 20vh;}
.fs_aside_i>img{margin-bottom: 10px;}
.fs_aside_i>img:nth-child(2){display: none;}
.fs_aside_i>span{color: #fff;}
.fs_aside_i:hover>img:first-child{display: none;}
.fs_aside_i:hover>img:nth-child(2){display: inline;}
.fs_aside_r{position: absolute;right: calc(100% + 20px);top: 0;display: none;width: 206px;padding: 12px;background-color: #fff;box-shadow: 0 0 10px -3px #ddd;text-align: center;font-size: 15px;color: #6a6a6a;font-weight: bold;border-radius: 10px;}
.fs_aside_r>img{width: 100%;}
.fs_aside_i:hover >.fs_aside_r{display: block;}

.fs_out{padding: 1px 0;background-color: #f7f7f7;}
.fs_cont{display: flex;justify-content: space-between;margin: 0 auto 50px;width: var(--lg);}
.fs_left{width: 22%;background-color: #fff;overflow: hidden;}
.fs_left_t{padding: 22px 16px;background-color: var(--base);color: #fff;}
.fs_left_t>h1{font-size: 24px;font-weight: bold;}
.fs_left_t>p{font-size: 16px;margin-top: 10px;}
.fs_left_l{padding: 10px 0;}
.fs_left_l>a{display: block;line-height: 50px;background-color: #fff;padding: 0 20px;cursor: pointer;border-left: 8px solid #fff;}
.fs_left_l>.fs_left_a{background-color: #f7f7f7;border-color: var(--base);}
/* .fs_left_i{margin-bottom: 10px;}
.fs_left_i>a{background-color: #f7f7f7;border-left: 10px solid var(--base);height: 50px;line-height: 50px;display: block;padding-left: 24px;font-size: 16px;cursor: pointer;}
.fs_left_i>a>i{font-family: monospace,serif;float: right;font-style: normal;padding: 18px 10px;color: var(--base);line-height: 1;transition: .3s;}
.fs_left_ii{padding: 10px 0;display: none;}
.fs_left_ii>a{display: block;height: 46px;line-height: 46px;font-size: 14px;padding-left: 34px;color: #474747;cursor: pointer;}
.fs_left_ii>.fs_left_ia{background-color: var(--base);color: #fff;position: relative;}
.fs_left_ii>.fs_left_ia::before{content: '';width: 9px;height: 100%;position: absolute;left: 0;background-color: var(--base);} */
.fs_right{width: 74%;background-color: #fff;}


@media screen and (max-width: 766px){
    /* .fs_head{height: 6rem;} */
    .fs_head_tc{height: 6rem;}
    .fs_head_t{}
    .fs_head_tl>a{padding: 1rem 0;}
    .fs_head_tl>a>img{height: 3rem;}
    .fs_head_short .fs_head_tc{height: 6rem;}

    .fs_head_menu{width: 3rem;}
    .fs_head_menu>img{width: 100%;}

    .fs_head_bc{position: fixed;top: 0;left: 0;background-color: #fff;flex-direction: column;padding: 50px 0;z-index: 100;transition: unset;display: none;margin: 0;width: 100%;height: 100%;}
    .fs_head_bc>i{position: absolute;top: 20px;right: 20px;font-size: 30px;font-weight: bold;font-style: normal;line-height: 1;color: #666;}
    .fs_head_ri{margin: 0;padding: 0;width: 100%;height: 6rem;}
    .fs_head_ri>a{width: 100%;text-align: center;color: #999;height: 6rem;line-height: 6rem;margin: 0;padding: 0;font-size: 1.5rem;}
    .fs_head_ri>a>h1{font-weight: 400;font-size: 1.8rem;}
    .fs_head_a>a{color: #fff;font-weight: bold;}
    .fs_head_exc{display: none;}

    .fs_foot_tt>p{line-height: 1.5;}
    .fs_foot_tb{padding: 5rem 0 3rem;}
    .fs_foot_tr>p{font-size: 1.6rem;}
    .fs_foot_bc{flex-direction: column;align-items: center;line-height: 2;padding: 2rem 0;}
    .fs_foot_bc>p{text-align: center;}
    

    .fs_title{padding: 3rem 0;}
    .fs_title>h1{font-size: 2.6rem;}
    .fs_title>p{font-size: 1.6rem;margin-top: 1rem;}
    .fs_title>span{margin-top: 2rem;}
    
    .fs_nav{display: none;}
    
    .fs_cont{margin: 0 0 6rem;flex-direction: column;width: 100%;}
    .fs_left{width: 100%;border-radius: 0;overflow: auto;}
    .fs_left_t{display: none;}
    .fs_left_l{padding: 0;display: flex;width: 200vw;}
    .fs_left_i{margin-bottom: 0;}
    .fs_left_i>a{display: none;}
    .fs_left_ii{display: flex;padding: 2rem 0;}
    .fs_left_ii>a{padding: 0 2rem;height: 4rem;line-height: 4rem;}
    .fs_right{padding: 0 1.5rem;width: 100%;margin-top: 1.5rem;}

    .fs_nv{margin-top: 5rem;flex-direction: column;padding: 2rem 0;}
    .fs_nv_c{gap: 2rem;}
    .fs_nv_c>a{flex: 1;}

}