/* 全局样式 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background: linear-gradient(to bottom, #050a30, #00000c);
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
}

/* 星星背景 */
.stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -3;
}

.shooting-stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* 星球 */
.planet {
    position: absolute;
    bottom: -10%;
    right: -15%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #ff9966, #ff5e62);
    box-shadow:0 0 20px 15px rgb(255 77 82 / 50%);
    z-index: -2;
}
.planet-two {
    top: -10%;
    left: -5%;
    width: 300px;
    height: 300px;
}
.satellite-orbit {
    width: 100%;
    height: 100%;
    position: relative;
    animation: orbit 10s linear infinite;
}

.satellite {
    width: 150px;
    height: 80px;
    background: #ffd07b;
    border-radius: 50%;
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    filter: blur(25px);
}

@keyframes orbit {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}
/* 宇航员 */
.astronaut {
    position: absolute;
    top: 30%;
    left: 20%;
    width: 120px;
    height: 160px;
    z-index: 2;
    transition: all 0.5s ease;
}

.astronaut-body {
    width: 80px;
    height: 100px;
    background: linear-gradient(to bottom, #e0e0e0, #ffffff);
    border-radius: 35px;
    position: relative;
    margin: 0 auto;
}

.astronaut-head {
    width: 60px;
    height: 60px;
    background: linear-gradient(to bottom, #ffffff, #e0e0e0);
    border-radius: 50%;
    position: absolute;
    top: -75px;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid #333;
}

.astronaut-visor {
    width: 40px;
    height: 40px;
    background: linear-gradient(to bottom, #3440db, #b9299d);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    overflow: hidden;
}

.astronaut-visor::before {
    content: '';
    position: absolute;
    top: 5px;
    right: 5px;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

.astronaut-arms {
    position: absolute;
    top: -10px;
    left: -30px;
    width: 180px;
    height: 30px;
}

.astronaut-arm {
    width: 50px;
    height: 20px;
    background: linear-gradient(to bottom, #e0e0e0, #ffffff);
    border-radius: 10px;
    position: absolute;
}

.astronaut-arm.left {
    transform: rotate(45deg);
    left: 0;
}

.astronaut-arm.right {
    transform: rotate(-45deg);
    right: 0;
}

.astronaut-legs {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 40px;
    z-index: -1;
}

.astronaut-leg {
    width: 20px;
    height: 40px;
    background: linear-gradient(to bottom, #e0e0e0, #ffffff);
    border-radius: 10px;
    position: absolute;
}

.astronaut-leg.left {
    left: 0;
    transform: rotate(10deg);
}

.astronaut-leg.right {
    right: 0;
    transform: rotate(-10deg);
}

/* 文字内容 */
.content {
    position: relative;
    z-index: 2;
    text-align: center;
}

h1 {
    font-size: 15rem;
    margin: 0;
    text-shadow:0 0 2rem #007bc3;
}

p {
    font-size: 24px;
    margin: 20px 0;
}

button {
    background: linear-gradient(to right, #6a11cb, #2575fc);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(37, 117, 252, 0.5);
    margin: 0px 10px;
}

button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(37, 117, 252, 0.7);
}

/* 动画定义 */
@keyframes float {
    0% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
    100% {
        transform: translateY(0px) rotate(0deg);
    }
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes blink {
    0%, 100% {
        opacity: 0.2;
    }
    50% {
        opacity: 0.8;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}