/* 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;
    background-color: #556B2F; /* olive-green */
    color: #F2F0CD; /* cream */
    min-height: 100vh;
    overflow: hidden;
}

/* 主容器 */
.main-container {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

/* 星星容器 */
#stars-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.star {
    position: absolute;
    border-radius: 50%;
    background-color: #F2F0CD;
    opacity: 0.7;
    box-shadow: 0 0 10px rgba(242, 240, 205, 0.5);
}

/* 内容容器 */
.content-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Logo 容器 */
.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeInUp 0.8s ease-out;
}

.logo-background {
    background-color: rgba(242, 240, 205, 0.9);
    border-radius: 50%;
    padding: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-image {
    width: 150px;
    height: 150px;
    object-fit: contain;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

@media (min-width: 768px) {
    .logo-image {
        width: 180px;
        height: 180px;
    }
}

/* 标题样式 */
.title {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: -0.025em;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1.25rem;
    margin-top: 0.5rem;
}

@media (min-width: 768px) {
    .title {
        font-size: 3rem;
    }
    .subtitle {
        font-size: 1.5rem;
    }
}

/* 按钮样式 */
.redirect-button {
    position: relative;
    overflow: hidden;
    border-radius: 9999px;
    background-color: #F2F0CD;
    color: #556B2F;
    font-size: 1.125rem;
    font-weight: 500;
    padding: 1rem 2rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.redirect-button:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(242, 240, 205, 0.3);
}

.button-text {
    position: relative;
    z-index: 2;
}

.button-hover-effect {
    position: absolute;
    inset: 0;
    background-color: rgba(242, 240, 205, 0.8);
    transform: translateX(-100%);
    transition: transform 0.4s ease;
}

.button-circle {
    position: absolute;
    right: -1rem;
    top: -1rem;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background-color: #556B2F;
    opacity: 0.2;
    transform: scale(0);
    transition: transform 0.6s ease;
}

.redirect-button:hover .button-hover-effect {
    transform: translateX(0);
}

.redirect-button:hover .button-circle {
    transform: scale(3);
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}