*{box-sizing:border-box}
body{margin:0;background:#eef1ea;color:#182117;font-family:Georgia,"Times New Roman","Noto Serif SC","Songti SC",serif}
.ls-topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:14px 24px;background:rgba(248,249,245,.94);border-bottom:1px solid rgba(73,94,65,.18);backdrop-filter:blur(10px)}
.ls-brand{font-size:22px;letter-spacing:.04em;color:#38523b}
.ls-subtitle{font-size:13px;color:#8d7442;margin-top:3px}
.ls-actions{display:flex;gap:8px;flex-wrap:wrap}
.ls-actions button,.ls-footer button{border:1px solid rgba(73,94,65,.28);background:#fffdf8;color:#30432f;padding:8px 12px;border-radius:999px;font-family:inherit;cursor:pointer}
.ls-reader{position:relative;min-height:calc(100vh - 116px);display:flex;justify-content:center;align-items:center;padding:24px 66px}
.ls-page-wrap{margin:0;max-width:min(78vw,760px);width:100%;display:flex;flex-direction:column;justify-content:center;align-items:center}
.ls-page-wrap img{width:100%;height:auto;max-height:calc(100vh - 180px);object-fit:contain;box-shadow:0 22px 60px rgba(0,0,0,.15);background:white}
.ls-page-title{margin-top:10px;font-size:14px;color:#6e835f;text-align:center}
.ls-nav{position:fixed;top:50%;transform:translateY(-50%);width:48px;height:72px;border:0;background:rgba(255,253,248,.82);font-size:58px;line-height:1;color:#6e835f;cursor:pointer;border-radius:999px;box-shadow:0 8px 28px rgba(0,0,0,.12)}
.ls-prev{left:18px}.ls-next{right:18px}
.ls-footer{position:sticky;bottom:0;z-index:20;display:flex;justify-content:center;align-items:center;gap:18px;padding:10px 14px;background:rgba(248,249,245,.94);border-top:1px solid rgba(73,94,65,.18);backdrop-filter:blur(10px)}
#pageCounter{min-width:130px;text-align:center;color:#8d7442}
.ls-thumbs{padding:18px 24px 90px;display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:14px;background:#f7f8f4}
.ls-thumb{border:1px solid rgba(73,94,65,.18);background:white;padding:6px;cursor:pointer;font-family:inherit;color:#30432f}
.ls-thumb img{width:100%;display:block}
.ls-thumb span{display:block;margin-top:6px;font-size:12px;color:#8d7442;text-align:center}
.scroll-mode .ls-reader{display:block;padding:18px 10px 80px}
.scroll-mode .ls-page-wrap{max-width:760px;margin:0 auto 18px}
.scroll-mode .ls-page-wrap img{max-height:none}
.scroll-mode .ls-nav,.scroll-mode .ls-footer{display:none}
.scroll-mode #pageImg,.scroll-mode #pageTitle{display:none}
@media(max-width:768px){.ls-topbar{padding:10px 12px}.ls-brand{font-size:18px}.ls-actions button{padding:7px 9px}.ls-reader{display:block;min-height:auto;padding:10px 8px 84px}.ls-page-wrap{max-width:100%;margin:0}.ls-page-wrap img{max-height:none;box-shadow:0 12px 30px rgba(0,0,0,.14)}.ls-nav{display:none}.ls-footer{gap:12px}.ls-thumbs{grid-template-columns:repeat(auto-fill,minmax(82px,1fr));gap:10px;padding:12px 10px 80px}.ls-page-title{font-size:13px}}