.top-bar {
    font-family: 'Segoe UI', sans-serif;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: #ffffffb7;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    
    z-index: 1000 !important; /* 强制层级 */
    pointer-events: auto !important; /* 确保可交互 */
}

.top-logo {
    color: #2c3e50;
    font-weight: bold;
    font-size: 1.5rem;
    text-decoration: none;
}

.menu-btn {
    width: 30px;
    height: 20px;
    position: relative;
    cursor: pointer;
    z-index: 1100;
}

.menu-btn span {
    position: absolute;
    height: 2px;
    width: 100%;
    background: #2c3e50;
    transition: all 0.3s;
}

.menu-btn span:nth-child(1) { top: 0; }
.menu-btn span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.menu-btn span:nth-child(3) { bottom: 0; }

.menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}
.menu-btn.active span:nth-child(2) {
    opacity: 0;
}
.menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.menu-panel {
    position: fixed;
    top: 0;
    right: -300px;
    width: 250px;
    height: 100vh;
    background: #fff;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 80px 20px 20px;
    transition: all 0.3s;
    z-index: 1050 !important;
}

.menu-panel.active {
    right: 0;
}

.menu-list {
    list-style: none;
    color: #2c3e50;
}

.menu-list li {
    padding: 15px;
    margin: 10px 0;
    border-radius: 5px;
    transition: background 0.3s;
    text-align: right;
}

.menu-list li:hover {
    background: rgba(255, 255, 255, 0.1);
}
.meun-list-img {
    transform: translateY(5px);
    width: 20px;
}

.meun-list-li-a {
    color: #2c3e50;
    font-weight: 600;
    font-size: 3rem;
    transition-duration: 0.15s;
}
.meun-list-li-a:hover {
    border-bottom: 7px solid #ffd000;
}

.page-content {
    margin-top: 70px; /* 留出顶栏空间 */
    position: relative;
    z-index: 500; /* 低于菜单层级 */
}