body {
    background-color: #f0f2f5;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 20px;
    gap: 40px;
}

h2 {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

.prototype-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
}

.iframe-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.iframe-wrapper iframe {
    border: none;
    width: 393px;
    height: 852px;
    border-radius: 56px;
    border: 16px solid black;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.mobile-frame {
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.status-bar {
    width: 100%;
    height: 44px;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
    box-sizing: border-box;
}

.status-bar-time {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-weight: 600;
    font-size: 15px;
    color: #000;
    position: absolute;
    left: 30px;
    top: 14px;
}

.status-bar-notch {
    position: absolute;
    top: 0px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 34px;
    background-color: #000;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    z-index: 100;
}

.status-bar-icons {
    display: flex;
    align-items: center;
    gap: 6px;
    position: absolute;
    right: 24px;
    top: 14px;
}

.content-scroll-area {
    flex-grow: 1;
    overflow-y: auto;
    padding-top: 44px;
    padding-bottom: 84px;
}

.content-scroll-area::-webkit-scrollbar {
    display: none;
}

.tab-bar {
    width: 100%;
    height: 84px;
    background-color: rgba(249, 249, 249, 0.94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid #e0e0e0;
    position: absolute;
    bottom: 0;
    left: 0;
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    padding-top: 10px;
    z-index: 10;
}

.tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    color: #8e8e93;
    text-decoration: none;
}

.tab-item.active {
    color: #007AFF;
}

.tab-item i {
    font-size: 22px;
}