:root{--brand: #e8453c;--bg: #f5f4f0;--card: #ffffff;--text: #2b2b2b;--text-2: #8a8a8a;--border: #eee}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--text);-webkit-font-smoothing:antialiased}.app-shell{height:100dvh;max-width:480px;margin:0 auto;display:flex;flex-direction:column;background:var(--bg);box-shadow:0 0 24px #0000000f;position:relative}.shell-content{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.tabbar{flex:none;display:flex;border-top:1px solid var(--border);background:#fff;padding-bottom:env(safe-area-inset-bottom)}.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0 6px;font-size:12px;color:var(--text-2);text-decoration:none;transition:color .2s}.tab-item .tab-icon{font-size:20px}.tab-item.active{color:var(--brand);font-weight:600}.page{padding:16px}.page-title{font-size:18px;font-weight:700;margin:0 0 12px}.card{background:var(--card);border-radius:12px;padding:14px;margin-bottom:12px}.home{min-height:100%;display:flex;flex-direction:column;padding:48px 20px 20px}.home-logo{text-align:center;font-size:26px;font-weight:800;letter-spacing:4px;color:var(--brand);margin-bottom:6px}.home-slogan{text-align:center;color:var(--text-2);font-size:13px;margin-bottom:28px}.search-box{display:flex;align-items:center;background:#fff;border-radius:24px;padding:4px 6px 4px 16px;box-shadow:0 4px 16px #0000000f;border:1px solid var(--border)}.search-box input{flex:1;border:none;outline:none;font-size:15px;background:transparent;padding:10px 0}.search-box button{border:none;background:var(--brand);color:#fff;border-radius:20px;padding:8px 20px;font-size:14px;cursor:pointer}.book-row{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);cursor:pointer}.book-row:last-child{border-bottom:none}.book-cover{width:56px;height:76px;border-radius:6px;object-fit:cover;background:#e8e6e0;flex:none;display:flex;align-items:center;justify-content:center;color:#999;font-size:12px;overflow:hidden}.book-cover img{width:100%;height:100%;object-fit:cover}.book-info{flex:1;min-width:0}.book-name{font-size:15px;font-weight:600;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.book-meta{font-size:12px;color:var(--text-2);margin-bottom:4px}.book-intro{font-size:12px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.detail-header{display:flex;gap:14px;padding:20px 16px;background:linear-gradient(135deg,#2c2c2c,#4a4a4a);color:#fff}.detail-header .book-cover{width:84px;height:112px;border-radius:8px}.detail-name{font-size:19px;font-weight:700}.detail-meta{font-size:13px;opacity:.85;margin-top:6px}.detail-intro{font-size:13px;line-height:1.7;opacity:.9;margin-top:10px;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.chapter-item{padding:12px 16px;background:#fff;border-bottom:1px solid var(--border);font-size:14px;color:var(--text);text-decoration:none;display:block}.chapter-item:active{background:#fafafa}.shelf-empty{text-align:center;padding:80px 20px;color:var(--text-2)}.profile-card{background:linear-gradient(135deg,#e8453c,#f27059);color:#fff;border-radius:14px;padding:20px;margin-bottom:14px}.profile-email{opacity:.85;font-size:13px;margin-top:4px}.points-row{display:flex;gap:24px;margin-top:16px}.points-num{font-size:30px;font-weight:800;line-height:1}.points-label{font-size:12px;opacity:.85;margin-top:6px}.reader{min-height:100dvh;background:#f7f1e5;padding:20px 18px 60px}.reader .reader-title{text-align:center;font-size:20px;font-weight:700;margin-bottom:20px}.reader .reader-book{text-align:center;font-size:13px;color:var(--text-2);margin-bottom:24px}.reader .reader-content{font-size:17px;line-height:2;letter-spacing:.02em;white-space:pre-wrap;word-break:break-word;font-family:"Noto Serif SC",Songti SC,SimSun,serif}.reader-nav{display:flex;gap:10px;margin-top:36px}.reader-nav a,.reader-nav span{flex:1;text-align:center;padding:10px 0;border-radius:20px;background:#fff;border:1px solid var(--border);font-size:14px;text-decoration:none;color:var(--text)}.reader-nav a:active{background:#f0ece0}.auth-page{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(160deg,#fff7f4,#ffe9e2)}.auth-card{width:100%;max-width:380px;background:#fff;border-radius:16px;padding:28px 24px;box-shadow:0 10px 40px #00000014}.auth-title{text-align:center;font-size:22px;font-weight:800;color:var(--brand);margin-bottom:4px}.auth-sub{text-align:center;color:var(--text-2);font-size:13px;margin-bottom:20px}.admin-wrap{min-height:100vh}.admin-header{background:#1f1f1f;color:#fff;padding:14px 24px;display:flex;align-items:center;gap:24px}.admin-header .brand{font-weight:800;font-size:16px;color:#ff6b5e}.admin-header a{color:#ccc;text-decoration:none;font-size:14px}.admin-header a.active{color:#fff;font-weight:600}.admin-header .spacer{flex:1}.admin-content{padding:24px;max-width:1080px;margin:0 auto}