/* 全局样式 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&display=swap');

body {
    font-family: 'Noto Sans SC', sans-serif;
}

/* 手机框样式 */
.phone-frame {
    position: relative;
    width: 280px;
    height: 580px;
    background: #111;
    border-radius: 36px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    padding: 8px;
    box-sizing: content-box;
}

.phone-screen {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 30px;
    overflow: hidden;
    background: white;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .phone-frame {
        width: 240px;
        height: 500px;
    }
}

/* 动画效果 */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}