.book{box-sizing:border-box;flex-direction:column;min-height:100vh;padding:28px 32px 32px;display:flex}.book-head{justify-content:space-between;align-items:baseline;gap:16px;width:min(1040px,100%);margin:0 auto 20px;display:flex}.book-head h1{color:#f1f1f180;margin:0;font-size:15px;font-weight:500}.book-back{color:#f1f1f1;font-size:15px;text-decoration:none}.book-back:hover{opacity:.65}.book-cal{flex:1;width:min(1040px,100%);min-height:640px;margin:0 auto}@media (width<=600px){.book{padding:20px 16px 24px}}