:root{--da-max:1180px;--da-radius:14px;--da-shadow:0 8px 26px rgba(0,0,0,.08)}
html{scroll-behavior:smooth} body{line-height:1.7}
a,button{touch-action:manipulation} main,.container,.wrap{max-width:var(--da-max);margin-left:auto;margin-right:auto}
nav a,header a{min-height:42px;display:inline-flex;align-items:center;padding:.35rem .55rem}
.card,.book,.item,article{border-radius:var(--da-radius)}
@media(max-width:760px){body{font-size:17px}nav{overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}nav a,header a{min-height:46px}.grid{grid-template-columns:1fr!important}}
.da-book-tools{position:sticky;bottom:0;z-index:80;display:flex;gap:6px;justify-content:center;padding:8px;background:rgba(255,255,255,.96);box-shadow:0 -4px 18px rgba(0,0,0,.09)}
.da-book-tools a,.da-book-tools button{min-height:44px;padding:8px 12px;border:1px solid #cfc7b8;border-radius:10px;background:#fff;text-decoration:none;font-weight:700}