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

body {
    font-family: 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

.m8k3x9p2q {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.h7j2n9v5k {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.p5w8x4r3t {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.p5w8x4r3t h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.p5w8x4r3t h1 a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.p5w8x4r3t h1 a:hover {
    opacity: 0.9;
}

.n6q2m7b9c {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.n6q2m7b9c a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.n6q2m7b9c a:hover {
    transform: translateY(-2px);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.w9t5k3x7m {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.w9t5k3x7m h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    animation: b4x8n2v9p 1s ease-out;
}

.w9t5k3x7m p {
    font-size: 1.3rem;
    opacity: 0.95;
    animation: b4x8n2v9p 1s ease-out 0.2s both;
}

@keyframes b4x8n2v9p {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.r3k9p6x2t {
    padding: 4rem 0;
}

.r3k9p6x2t h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: #333;
}

.l8v4m2q7n {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.c5x9n3p8w {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.c5x9n3p8w:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.c5x9n3p8w h3 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.c5x9n3p8w p {
    color: #666;
    line-height: 1.8;
}

.q7w2m5k9x {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.b8n4v7p2x {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.b8n4v7p2x:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.t9k3x6m2p {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.t9k3x6m2p img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.b8n4v7p2x:hover .t9k3x6m2p img {
    transform: scale(1.1);
}

.x5n8p3w7q {
    padding: 1.5rem;
}

.x5n8p3w7q h3 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.x5n8p3w7q p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.m7q4x9n2k {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #999;
    font-size: 0.85rem;
}

.v6p2k8x4m {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.w3x7n5q9p {
    border-bottom: 1px solid #eee;
    padding: 1.5rem 0;
}

.w3x7n5q9p:last-child {
    border-bottom: none;
}

.w3x7n5q9p h3 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.w3x7n5q9p p {
    color: #666;
    margin-bottom: 0.8rem;
}

.k9m2x7q5n {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.k9m2x7q5n span {
    background: #f0f0f0;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: #667eea;
}

.p8n3v6x2q {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
    margin-top: 4rem;
    text-align: center;
}

.p8n3v6x2q p {
    opacity: 0.9;
}

@media (max-width: 768px) {
    .n6q2m7b9c {
        flex-direction: column;
        gap: 1rem;
    }

    .w9t5k3x7m h2 {
        font-size: 2rem;
    }

    .l8v4m2q7n,
    .q7w2m5k9x {
        grid-template-columns: 1fr;
    }
}

.x2k9p7v4n {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #667eea;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(102,126,234,0.4);
    transition: all 0.3s;
    opacity: 0;
    visibility: hidden;
}

.x2k9p7v4n.q5m8x3n7p {
    opacity: 1;
    visibility: visible;
}

.x2k9p7v4n:hover {
    background: #764ba2;
    transform: translateY(-5px);
}