* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    color: #ffffff;
}

.bg-container {
    width: 100vw;
    min-height: 100vh;
    background-image: url("https://pic.616pic.com/bg_w1180/00/30/43/5y2c7Yl0lA.jpg");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-color: #000;
    padding: 40px 20px;
}

.content-wrap {
    max-width: 800px;
    margin: 0 auto;
}

.main-title {
    font-size: 56px;
    text-align: center;
    font-weight: 700;
    text-shadow: 0 2px 12px rgba(0,0,0,0.85);
    margin-bottom: 50px;
}

.info-card {
    background-color: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 36px;
}

.info-card h2 {
    font-size: 26px;
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding-bottom: 12px;
}

.spec-list {
    list-style: none;
}

.spec-list li {
    font-size: 17px;
    line-height: 2.2;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.spec-list li span {
    color: #ffcc00;
    font-weight: 600;
}

.time-area {
    margin-top: 30px;
    text-align: center;
}

#refreshBtn {
    margin-top: 12px;
    padding: 10px 26px;
    border-radius: 8px;
    border: none;
    background-color: #007aff;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

#refreshBtn:hover {
    background-color: #0060cc;
}

@media(max-width: 600px){
    .main-title {
        font-size: 36px;
    }
    .info-card {
        padding: 20px;
    }
}