/* ===== 公用导航栏 ===== */
.nb-wrap{background:#fff;border-bottom:1px solid #eef2f0}
.nb-top{display:flex;align-items:center;justify-content:space-between;max-width:440px;margin:0 auto;padding:8px 10px}
.nb-logo{padding:4px 0}
.nb-user{display:flex;align-items:center;gap:8px;font-size:13px}
.nb-uname{color:#2e7d32;font-weight:500;max-width:60px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nb-login,.nb-reg{text-decoration:none;color:#2e7d32;font-weight:500;padding:5px 12px;border-radius:6px}
.nb-login{border:1px solid #2e7d32}
.nb-reg{background:#2e7d32;color:#fff}
.nb-logout{text-decoration:none;color:#999;padding:5px 8px}
.nb-bar{background:linear-gradient(135deg,#2e7d32,#388e3c);padding:0 10px}
.nb-bar-inner{max-width:440px;margin:0 auto}
.nb-inner{display:flex;align-items:center;gap:0;height:40px;padding:0 4px;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.nb-inner::-webkit-scrollbar{display:none}
.nb-inner a{text-decoration:none;color:rgba(255,255,255,.85);font-size:13px;padding:6px 12px;border-radius:5px;white-space:nowrap;font-weight:500;transition:.15s;flex-shrink:0}
.nb-inner a.active,.nb-inner a:active{background:rgba(255,255,255,.2);color:#fff;font-weight:600}
/* ===== 公用底部 ===== */
footer.nb-footer, .nb-footer{background:#424242;color:#ddd;padding:24px 0;text-align:center;font-size:12px}
.nb-footer .nf-inner{max-width:440px;margin:0 auto;padding:0 20px}
.nb-footer .nf-brand{font-size:14px;font-weight:600;color:#e8f5e9;margin-bottom:8px}
.nb-footer .nf-nav{display:flex;justify-content:center;gap:16px;margin:10px 0;flex-wrap:wrap}
.nb-footer .nf-nav a{color:#aaa;text-decoration:none;font-size:12px}
.nb-footer .nf-nav a:hover{color:#fff}
.nb-footer .nf-links{display:flex;justify-content:center;gap:14px;margin:10px 0;flex-wrap:wrap}
.nb-footer .nf-links a{color:#888;text-decoration:none;font-size:11px}
.nb-footer .nf-links a:hover{color:#ccc}
.nb-footer .nf-legal{margin-top:10px;font-size:11px;color:#888;line-height:1.6}
.nb-footer .nf-legal .dot{margin:0 6px;color:#666}
/* ===== 基础重置 ===== */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Microsoft YaHei",sans-serif;background:#f5f7f5;color:#333;line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
.page{max-width:440px;margin:0 auto;min-height:100vh;background:#eef2ef}
.container{max-width:500px;margin:auto}