.app-tab-loading {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    width: 48px;
    height: 48px;
    margin: -24px 0 0 -24px;
    border: 3px solid rgba(79, 172, 254, 0.2);
    border-top-color: #4facfe;
    border-radius: 50%;
    animation: appTabSpin 0.7s linear infinite;
    z-index: 9999;
}

@keyframes appTabSpin {
    to { transform: rotate(360deg); }
}

#app-tab-content {
    min-height: calc(100vh - 95px);
    padding-bottom: 88px;
}

/* 覆盖 red.css / css.css 里 nav li 的背景图（与 img 图标重复） */
.app-tab-nav.mine-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    background: #fff;
    border-top: 1px solid #eee;
    z-index: 999;
    padding: 6px 0 4px;
    box-sizing: border-box;
}

.app-tab-nav.mine-nav ul {
    display: flex;
    margin: 0;
    padding: 0;
    list-style: none;
}

.app-tab-nav.mine-nav li,
.app-tab-nav.mine-nav li:nth-child(1),
.app-tab-nav.mine-nav li:nth-child(2),
.app-tab-nav.mine-nav li:nth-child(3),
.app-tab-nav.mine-nav li:nth-child(4) {
    flex: 1;
    float: none;
    width: auto;
    text-align: center;
    font-size: 20px;
    line-height: 1.3;
    color: #999;
    cursor: pointer;
    padding: 0;
    background: none !important;
    background-image: none !important;
    background-repeat: no-repeat !important;
    background-position: center top !important;
    background-size: 0 0 !important;
}

.app-tab-nav.mine-nav li:not(.active) {
    color: #999 !important;
}

.app-tab-nav.mine-nav li.active,
.app-tab-nav.mine-nav li:nth-child(1).active,
.app-tab-nav.mine-nav li:nth-child(2).active,
.app-tab-nav.mine-nav li:nth-child(3).active,
.app-tab-nav.mine-nav li:nth-child(4).active {
    color: #d4a017;
    background: none !important;
    background-image: none !important;
}

.app-tab-nav.mine-nav li img {
    width: 40px;
    height: 40px;
    display: block;
    margin: 0 auto 4px;
    opacity: 0.55;
}

.app-tab-nav.mine-nav li.active img {
    opacity: 1;
}