:root {
    --primary-color: #3f51b5;
    --primary-hover: #303f9f;
    --text-color: #333;
    --light-gray: #f5f7fa;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, var(--light-gray) 0%, #ffffff 100%);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    text-align: center;
}

.logo {
    margin-bottom: 2rem;
    margin-top: 2rem;
}

.logo img {
    height: 80px;
    width: auto;
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1rem;
}

h1:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

.description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    color: #666;
}

.button-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
}

button {
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    background-color: var(--primary-color);
    color: white;
    transition: all 0.3s ease;
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

button:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
}

button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

button:hover:before {
    left: 100%;
}

button:active {
    transform: translateY(0);
}

button svg {
    margin-right: 10px;
}

footer {
    background-color: white;
    padding: 1.5rem 0;
    width: 100%;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-size: 0.9rem;
    color: #777;
}

.footer-content a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-content a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .button-container {
        flex-direction: column;
        gap: 1rem;
    }

    button {
        width: 100%;
        justify-content: center;
    }

    .logo img {
        height: 60px;
    }
}