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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

a:hover {
    color: #2563eb;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.q3w8n5t {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.f2h6p9r {
    padding: 0 20px;
}

.m4k7v1z {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.x9c2b5n {
    font-size: 24px;
    font-weight: 700;
    padding: 15px 0;
}

.x9c2b5n a {
    color: #fff;
}

.t8j4w6y {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    padding: 15px 0;
}

.t8j4w6y li a {
    color: #fff;
    font-size: 16px;
    padding: 8px 0;
    display: inline-block;
    position: relative;
}

.t8j4w6y li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #fff;
    transition: width 0.3s ease;
}

.t8j4w6y li a:hover::after,
.t8j4w6y li a.d4m8k2n::after {
    width: 100%;
}

.p7n2k9w {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-align: center;
    padding: 80px 20px;
    animation: fadeIn 1s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.h4m6q8t h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    animation: slideUp 0.8s ease;
}

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

.h4m6q8t p {
    font-size: 20px;
    opacity: 0.95;
}

.r5v8d3g {
    padding: 60px 0;
}

.l6d8r4m {
    margin-bottom: 60px;
}

.l6d8r4m .m4k7v1z {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.n8b3x6p {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: cardFadeIn 0.6s ease forwards;
    opacity: 0;
}

@keyframes cardFadeIn {
    to {
        opacity: 1;
    }
}

.n8b3x6p:nth-child(1) { animation-delay: 0.1s; }
.n8b3x6p:nth-child(2) { animation-delay: 0.2s; }
.n8b3x6p:nth-child(3) { animation-delay: 0.3s; }
.n8b3x6p:nth-child(4) { animation-delay: 0.4s; }
.n8b3x6p:nth-child(5) { animation-delay: 0.5s; }
.n8b3x6p:nth-child(6) { animation-delay: 0.6s; }

.n8b3x6p:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.g5t8n3j {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.n8b3x6p:hover .g5t8n3j {
    transform: scale(1.1);
}

.w2q7k9v {
    overflow: hidden;
}

.c4h9m2x {
    padding: 25px;
}

.c4h9m2x h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1a202c;
}

.c4h9m2x p {
    font-size: 15px;
    color: #4a5568;
    margin-bottom: 15px;
    line-height: 1.8;
}

.k7p2w5d {
    font-size: 14px;
    color: #718096;
    display: inline-block;
}

.v9x4m7k {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    animation: slideRight 0.6s ease;
}

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

.t2n8w5p {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1a202c;
    padding-bottom: 10px;
    border-bottom: 2px solid #e2e8f0;
}

.j6r3d9h {
    list-style: none;
    margin-bottom: 30px;
}

.j6r3d9h li {
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
    transition: padding-left 0.3s ease;
}

.j6r3d9h li:hover {
    padding-left: 10px;
}

.j6r3d9h li a {
    color: #4a5568;
    font-size: 15px;
    display: block;
}

.j6r3d9h li a:hover {
    color: #2563eb;
}

.b8h5k2w {
    background: #2d3748;
    color: #fff;
    text-align: center;
    padding: 40px 20px;
    margin-top: 60px;
}

.b8h5k2w p {
    margin: 8px 0;
    font-size: 14px;
    opacity: 0.9;
}

.s3f7n9k {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 999;
}

.s3f7n9k.show {
    opacity: 1;
}

.s3f7n9k:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.h9v2x6m {
    background: #fff;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.w5k8p3t {
    font-size: 14px;
    color: #4a5568;
}

.w5k8p3t a {
    color: #2563eb;
}

.w5k8p3t a:hover {
    text-decoration: underline;
}

.d7n3w9k {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    animation: fadeIn 0.6s ease;
}

.q2m6t8h {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e2e8f0;
}

.q2m6t8h h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 15px;
}

.c8v4n2p {
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
}

.c8v4n2p h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1a202c;
    margin: 35px 0 20px;
    padding-left: 15px;
    border-left: 4px solid #667eea;
}

.c8v4n2p p {
    margin-bottom: 20px;
}

.c8v4n2p strong {
    color: #2d3748;
    font-weight: 600;
}

.c8v4n2p img {
    margin: 30px 0;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.x5k9w2t {
    font-size: 24px;
    font-weight: 600;
    color: #1a202c;
    margin: 35px 0 20px;
}

.n2w6k8p {
    margin-top: 40px;
}

@media (max-width: 768px) {
    .h4m6q8t h2 {
        font-size: 32px;
    }

    .h4m6q8t p {
        font-size: 16px;
    }

    .l6d8r4m .m4k7v1z {
        grid-template-columns: 1fr;
    }

    .t8j4w6y {
        flex-direction: column;
        gap: 10px;
    }

    .d7n3w9k {
        padding: 25px;
    }

    .q2m6t8h h2 {
        font-size: 24px;
    }

    .c8v4n2p h3 {
        font-size: 20px;
    }

    .s3f7n9k {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 20px;
    }
}