/* common.css v5 - 番茄風格 */
*{margin:0;padding:0;box-sizing:border-box}
html{overflow-x:clip;max-width:100%;-webkit-tap-highlight-color:transparent}
body{
    font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang TC','Microsoft JhengHei',sans-serif;
    background:#f5f5f5;
    color:#1a1a1a;
    min-height:100vh;
    overflow-x:clip;
    max-width:100%;
    padding-top:52px;
    padding-bottom:56px;
}

/* 廣告安全 */
ins.adsbygoogle,iframe[id^="aswift"],iframe[id^="google_ads"],iframe[src*="googlesyndication"],iframe[src*="doubleclick"]{max-width:100%!important}

/* ── 頂部導航 ── */
.nt-topbar{
    position:fixed;top:0;left:0;right:0;z-index:999;
    background:#ff6633;height:52px;
    display:flex;align-items:center;padding:0 12px;gap:8px;
}
.nt-topbar-logo{font-size:17px;font-weight:800;color:#fff;text-decoration:none;flex-shrink:0;letter-spacing:.3px}
.nt-topbar-search{
    flex:1;display:flex;align-items:center;
    background:rgba(255,255,255,.2);border-radius:20px;
    padding:0 12px;height:34px;gap:6px;cursor:pointer;text-decoration:none;
}
.nt-topbar-search span{font-size:13px;color:rgba(255,255,255,.8);flex:1}
.nt-topbar-search i{color:rgba(255,255,255,.9);font-size:13px}
.nt-topbar-right{display:flex;align-items:center;flex-shrink:0}
.nt-topbar-right a{
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    color:#fff;text-decoration:none;font-size:10px;padding:4px 7px;gap:1px;border-radius:6px;
}
.nt-topbar-right a i{font-size:17px}
.nt-notif-wrap{position:relative}
.nt-notif-badge{
    display:none;position:absolute;top:1px;right:3px;
    background:#ffe000;color:#c00;font-size:9px;font-weight:800;
    border-radius:8px;padding:0 3px;min-width:14px;text-align:center;line-height:14px;
}

/* ── 底部 Tab Bar ── */
.nt-tabbar{
    position:fixed;bottom:0;left:0;right:0;z-index:999;
    background:#fff;border-top:1px solid #eee;
    display:flex;height:56px;
}
.nt-tab{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:2px;color:#aaa;text-decoration:none;font-size:10px;
    border:none;background:none;cursor:pointer;padding:0;
}
.nt-tab i{font-size:21px}
.nt-tab.active{color:#ff6633}

/* ── 頁面包裝 ── */
.nt-page{width:100%;max-width:700px;margin:0 auto}

/* ── 通用卡片區塊 ── */
.nt-section{background:#fff;margin-bottom:8px}
.nt-section-hd{display:flex;align-items:center;justify-content:space-between;padding:14px 14px 8px}
.nt-section-title{font-size:15px;font-weight:800;color:#1a1a1a;display:flex;align-items:center;gap:6px}
.nt-section-title::before{content:'';display:inline-block;width:3px;height:15px;background:#ff6633;border-radius:2px;flex-shrink:0}
.nt-section-more{font-size:12px;color:#bbb;text-decoration:none;display:flex;align-items:center;gap:2px}
.nt-section-more:hover{color:#ff6633}

/* ── 分類橫條 ── */
.nt-cats{display:flex;overflow-x:auto;background:#fff;border-bottom:1px solid #f0f0f0;scrollbar-width:none}
.nt-cats::-webkit-scrollbar{display:none}
.nt-cat{flex-shrink:0;padding:10px 14px;font-size:13px;color:#666;text-decoration:none;border-bottom:2px solid transparent;white-space:nowrap}
.nt-cat.active,.nt-cat:hover{color:#ff6633;border-bottom-color:#ff6633;font-weight:700}

/* ── 書籍豎卡 ── */
.nt-book-card{display:flex;flex-direction:column;text-decoration:none;color:inherit}
.nt-book-cover{width:100%;padding-top:133%;position:relative;border-radius:6px;overflow:hidden;background:#e8e8e8}
.nt-book-cover img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.nt-book-badge{position:absolute;top:0;left:0;background:#ff6633;color:#fff;font-size:9px;font-weight:700;padding:2px 6px;border-radius:0 0 6px 0}
.nt-book-name{font-size:13px;font-weight:700;color:#1a1a1a;margin-top:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nt-book-sub{font-size:11px;color:#aaa;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ── 書籍橫行 ── */
.nt-book-row{
    display:flex;align-items:center;gap:10px;padding:11px 14px;
    text-decoration:none;color:inherit;border-bottom:1px solid #f5f5f5;
}
.nt-book-row:active{background:#fafafa}
.nt-book-row-cover{flex-shrink:0;width:50px;height:67px;border-radius:5px;overflow:hidden;background:#e8e8e8}
.nt-book-row-cover img{width:100%;height:100%;object-fit:cover}
.nt-book-row-body{flex:1;min-width:0}
.nt-book-row-name{font-size:14px;font-weight:700;color:#1a1a1a;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:3px}
.nt-book-row-meta{font-size:12px;color:#aaa;display:flex;gap:8px;margin-bottom:3px}
.nt-book-row-desc{font-size:12px;color:#bbb;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nt-book-row-right{flex-shrink:0;text-align:right}
.nt-book-row-chapter{font-size:11px;color:#ff6633}
.nt-book-row-time{font-size:11px;color:#ddd;margin-top:2px}

/* ── 排行數字 ── */
.nt-rank-num{flex-shrink:0;width:22px;text-align:center;font-size:16px;font-weight:800;color:#ddd}
.nt-rank-num.r1{color:#ff6633}.nt-rank-num.r2{color:#ff9933}.nt-rank-num.r3{color:#ffc107}

/* ── 橫滾書架 ── */
.nt-hscroll{display:flex;gap:10px;overflow-x:auto;padding:0 14px 14px;scrollbar-width:none}
.nt-hscroll::-webkit-scrollbar{display:none}
.nt-hscroll .nt-book-card{width:88px;flex-shrink:0}

/* ── 網格 ── */
.nt-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0 14px 14px}

/* ── 搜索框 ── */
.nt-search-wrap{padding:10px 14px;background:#fff;position:sticky;top:52px;z-index:10;border-bottom:1px solid #f0f0f0}
.nt-search-bar{display:flex;background:#f5f5f5;border-radius:22px;overflow:hidden;height:38px;align-items:center}
.nt-search-input{flex:1;border:none;outline:none;background:transparent;padding:0 14px;font-size:15px;color:#1a1a1a}
.nt-search-input::placeholder{color:#bbb}
.nt-search-btn{flex-shrink:0;background:#ff6633;color:#fff;border:none;padding:0 20px;height:38px;font-size:14px;font-weight:600;cursor:pointer;border-radius:0 22px 22px 0}

/* ── 通用按鈕 ── */
.nt-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:22px;font-size:14px;font-weight:700;text-decoration:none;border:none;cursor:pointer;transition:.15s}
.nt-btn-primary{background:#ff6633;color:#fff}
.nt-btn-primary:hover{background:#e55a2a}
.nt-btn-outline{background:#fff;color:#ff6633;border:1.5px solid #ff6633}
.nt-btn-outline:hover{background:#fff5f0}
.nt-btn-gold{background:linear-gradient(135deg,#f39c12,#e67e22);color:#fff}
.nt-btn-gray{background:#f5f5f5;color:#666;border:1px solid #e8e8e8}

/* ── 標籤 ── */
.nt-tag{display:inline-block;padding:2px 7px;border-radius:4px;font-size:11px;font-weight:700}
.nt-tag-orange{background:#fff3ee;color:#ff6633}
.nt-tag-green{background:#f0fff4;color:#27ae60}
.nt-tag-gray{background:#f5f5f5;color:#999}
.nt-tag-gold{background:#fff9e0;color:#c8a000}

/* ── 舊版兼容（info/reader頁用到） ── */
.container{width:100%;max-width:100%;overflow-x:hidden;padding:0}
.content-section{background:#fff;padding:16px;margin-bottom:8px}
.hidden{display:none!important}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:22px;font-size:14px;font-weight:700;text-decoration:none;border:none;cursor:pointer;transition:.15s}
.btn-primary{background:#ff6633;color:#fff}
.btn-primary:hover{background:#e55a2a}
.btn-secondary{background:#f5f5f5;color:#555;border:1px solid #e8e8e8}
.btn-secondary:hover{background:#eee}
.footer{background:#fff;border-top:1px solid #f0f0f0;text-align:center;padding:20px 16px;margin-top:8px}
.footer p{color:#aaa;font-size:12px;line-height:2.2}
.footer a{color:#aaa;text-decoration:none}
.footer a:hover{color:#ff6633}

/* ── 空白條 ── */
.nt-spacer{height:8px;background:#f5f5f5}