.n_san{ display: grid; grid-template-columns: repeat(5, 1fr); grid-gap: .2rem .3rem; margin: 0 0 .4rem;}
                .n_san .a{ height: .6rem; align-items: center; justify-content: center; background: #fff; font-size: .18rem; color: #333; transition: .5s; clip-path: polygon(0 0, 0 0, 100% 0, 100% 0, 100% calc(100% - 0.25rem), calc(100% - 0.25rem) 100%, 0 100%, 0 100%);}
                .n_san li.on .a{ background: #922e8e; color: #fff;}
                .n_san .a:hover{ color: #922e8e;}
                @media(max-width: 769px){
                    .n_san{ grid-template-columns: repeat(2, 1fr); grid-gap: .2rem 14px; margin: 0 0 .4rem;}
                    .n_san .a{ height: .5rem; clip-path: polygon(0 0, 0 0, 100% 0, 100% 0, 100% calc(100% - 0.15rem), calc(100% - 0.15rem) 100%, 0 100%, 0 100%);}
                }