/* ==========================================================================
   导航站特性页共享样式（收藏 / 历史 / 积分 / 频道）—— 2026-10-14
   自包含、响应式、零外部依赖；主题色由 --nf-theme 变量控制（模板可覆盖）。
   ========================================================================== */
:root{
  --nf-theme:#2b6cff;
  --nf-theme-2:#4f8cff;
  --nf-bg:#f5f7fb;
  --nf-card:#ffffff;
  --nf-text:#1f2937;
  --nf-sub:#6b7280;
  --nf-line:#e8ecf3;
}
*{box-sizing:border-box}
.nf-body{
  margin:0;background:var(--nf-bg);color:var(--nf-text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
.nf-wrap{max-width:1200px;margin:0 auto;padding:0 16px}

/* 顶栏 */
.nf-head{background:var(--nf-card);border-bottom:1px solid var(--nf-line);position:sticky;top:0;z-index:50}
.nf-head-in{display:flex;align-items:center;gap:14px;height:58px}
.nf-logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px;color:var(--nf-theme);text-decoration:none;white-space:nowrap}
.nf-logo svg{display:block}
.nf-nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:8px}
.nf-nav a{color:var(--nf-sub);text-decoration:none;padding:6px 12px;border-radius:16px;font-size:13px;transition:.18s;white-space:nowrap}
.nf-nav a:hover{background:#f0f4ff;color:var(--nf-theme)}
.nf-nav a.on{background:var(--nf-theme);color:#fff}
.nf-head-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.nf-user{color:var(--nf-sub);font-size:13px;text-decoration:none}
.nf-user b{color:var(--nf-text)}
.nf-btn{display:inline-block;padding:7px 16px;border-radius:18px;background:var(--nf-theme);color:#fff;text-decoration:none;font-size:13px;border:0;cursor:pointer;transition:.18s}
.nf-btn:hover{background:var(--nf-theme-2)}
.nf-btn.ghost{background:#eef2f9;color:var(--nf-sub)}
.nf-btn.ghost:hover{background:#e3e9f4;color:var(--nf-text)}
.nf-btn[disabled]{opacity:.55;cursor:not-allowed}

/* 页头 */
.nf-hero{background:linear-gradient(135deg,var(--nf-theme),var(--nf-theme-2));color:#fff;padding:26px 0 30px}
.nf-hero h1{margin:0 0 6px;font-size:22px;font-weight:700}
.nf-hero p{margin:0;opacity:.9;font-size:13px}
.nf-hero .nf-stat{display:flex;gap:26px;margin-top:16px;flex-wrap:wrap}
.nf-hero .nf-stat div{display:flex;flex-direction:column}
.nf-hero .nf-stat b{font-size:22px;line-height:1.2}
.nf-hero .nf-stat span{font-size:12px;opacity:.85}

/* 面板 */
.nf-panel{background:var(--nf-card);border:1px solid var(--nf-line);border-radius:12px;padding:18px;margin:18px 0}
.nf-panel-head{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.nf-panel-head h2{margin:0;font-size:16px;font-weight:700}
.nf-panel-head .nf-grow{flex:1}

/* 站点卡片网格 */
.nf-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.nf-site{display:flex;align-items:center;gap:10px;padding:11px 12px;border:1px solid var(--nf-line);border-radius:10px;background:#fff;text-decoration:none;color:inherit;transition:.18s;position:relative;min-width:0}
.nf-site:hover{border-color:var(--nf-theme);box-shadow:0 6px 18px rgba(43,108,255,.10);transform:translateY(-1px)}
.nf-ico{width:34px;height:34px;flex:0 0 34px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:#eef2fb;overflow:hidden}
.nf-ico img{width:22px;height:22px;object-fit:contain}
.nf-ico span{font-size:15px;font-weight:700;color:#fff;background:var(--nf-theme);width:100%;height:100%;display:flex;align-items:center;justify-content:center}
.nf-info{min-width:0;flex:1}
.nf-info b{display:block;font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nf-info small{display:block;color:var(--nf-sub);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nf-fav{position:absolute;right:8px;top:8px;width:24px;height:24px;border-radius:50%;border:1px solid var(--nf-line);background:#fff;color:#c2c9d6;cursor:pointer;font-size:13px;line-height:1;display:flex;align-items:center;justify-content:center;padding:0;transition:.18s}
.nf-fav:hover{color:#ff7a45;border-color:#ffd4c2}
.nf-fav.on{color:#ff4d4f;border-color:#ffd0d0;background:#fff5f5}

/* 空态 */
.nf-empty{padding:48px 16px;text-align:center;color:var(--nf-sub)}
.nf-empty svg{opacity:.35}

/* 流水表 */
.nf-table{width:100%;border-collapse:collapse;font-size:13px}
.nf-table th,.nf-table td{padding:9px 10px;border-bottom:1px solid var(--nf-line);text-align:left}
.nf-table th{color:var(--nf-sub);font-weight:600;font-size:12px}
.nf-table td.plus{color:#e0453c;font-weight:600}
.nf-table td.minus{color:#0f9d58;font-weight:600}
.nf-scroll{overflow-x:auto}

/* 兑换表单 */
.nf-form{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.nf-input{width:140px;padding:8px 12px;border:1px solid var(--nf-line);border-radius:8px;font-size:13px;outline:none}
.nf-input:focus{border-color:var(--nf-theme)}

/* 分页 */
.nf-pager{display:flex;justify-content:center;gap:8px;margin:18px 0}
.nf-pager a,.nf-pager span{padding:6px 12px;border-radius:8px;border:1px solid var(--nf-line);background:#fff;color:var(--nf-sub);text-decoration:none;font-size:13px}
.nf-pager a:hover{border-color:var(--nf-theme);color:var(--nf-theme)}
.nf-pager .cur{background:var(--nf-theme);border-color:var(--nf-theme);color:#fff}

/* Toast */
.nf-toast{position:fixed;left:50%;top:26px;transform:translate(-50%,-16px);background:rgba(23,32,49,.94);color:#fff;padding:10px 20px;border-radius:10px;font-size:13.5px;z-index:9999;opacity:0;pointer-events:none;transition:.24s;max-width:88vw}
.nf-toast.show{opacity:1;transform:translate(-50%,0)}

/* 页脚 */
.nf-foot{padding:26px 16px;text-align:center;color:var(--nf-sub);font-size:12.5px}
.nf-foot a{color:var(--nf-sub)}

@media (max-width:720px){
  .nf-nav{display:none}
  .nf-hero h1{font-size:19px}
  .nf-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
  .nf-site{padding:10px}
  .nf-info b{font-size:13px}
}