/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f3f4f6;
    padding: 20px;
}

/* 手机壳样式 */
.phone-container {
    width: 390px;
    height: 844px;
    background: #fff;
    border-radius: 40px;
    position: relative;
    margin: 20px auto;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    overflow: hidden;
}

.phone-notch {
    width: 200px;
    height: 30px;
    background: #000;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 0 0 20px 20px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-top: 44px; /* 为顶部导航栏预留空间 */
    padding-bottom: 34px; /* 为底部导航栏预留空间 */
}

.safe-area {
    padding-top: 44px;
    padding-bottom: 34px;
}