/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #fff;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

/* 主内容区域 */
.main-content {
    width: 100%;
    padding: 60px 0;
}

/* 应用Logo */
.app-logo {
    margin-bottom: 40px;
    display: flex;
    justify-content: center;
}

.logo-square {
    width: 120px;
    height: 120px;
    background-color: #fff;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.logo-square h1 {
    font-size: 36px;
    font-weight: 700;
    color: #6a11cb;
    background: linear-gradient(90deg, #6a11cb, #2575fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 应用标题 */
.app-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
}

.app-version {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
}

.app-slogan {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 60px;
}

/* 下载按钮 */
.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 60px;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px 30px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.btn:hover::before {
    left: 100%;
}

.ios-btn {
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    color: #fff;
}

.ios-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(106, 17, 203, 0.4);
}

.android-btn {
    background: linear-gradient(135deg, #11998e, #38ef7d);
    color: #fff;
}

.android-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(17, 153, 142, 0.4);
}

.btn svg {
    margin-right: 12px;
}

.download-text {
    margin-left: 12px;
    font-size: 16px;
    opacity: 0.9;
}

/* 应用信息 */
.app-info {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.app-info p {
    margin-bottom: 8px;
}

/* 响应式设计 */
@media (max-width: 480px) {
    .logo-square {
        width: 100px;
        height: 100px;
    }
    
    .logo-square h1 {
        font-size: 30px;
    }
    
    .app-title {
        font-size: 28px;
    }
    
    .btn {
        padding: 16px 24px;
        font-size: 16px;
    }
    
    .download-buttons {
        margin-bottom: 40px;
    }
}