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

body {
    font-family: Arial, sans-serif;
    background-color: #000;
    color: #fff;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

.btn {
    display: inline-block;
    background-color: #FFD100;
    color: #000;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
}

.btn:hover {
    opacity: 0.9;
}

/* 头部样式 */
.header {
    padding: 20px 0;
    position: absolute;
    width: 100%;
    z-index: 100;
}

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

.logo img {
    height: 40px;
}

.nav ul {
    display: flex;
    gap: 30px;
}

.nav a {
    color: #fff;
    font-weight: 500;
    position: relative;
}

.nav a.active::after,
.nav a:hover::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #FFD100;
}

.nav a.contact-btn {
    background-color: #FFD100;
    color: #000;
    padding: 8px 15px;
    border-radius: 20px;
}

.nav a.contact-btn:hover::after {
    display: none;
}

/* 英雄区域 */
.hero {
    padding: 150px 0 100px;
    background-color: #000;
    overflow: hidden;
}

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

.hero-text {
    flex: 1;
    position: relative;
}

.highlight {
    width: 80px;
    height: 80px;
    background-color: #FFD100;
    border-radius: 50%;
    position: absolute;
    top: -90px;
    left: -10px;
    z-index: 1;
}

.hero-text h1 {
    font-size: 48px;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
    color: #FFD100;
}

.hero-text p {
    font-size: 22px;
    margin-bottom: 10px;
}

.hero-text .btn {
    margin-top: 30px;
}

.hero-image {
    flex: 1;
    text-align: right;
}

/* 数据统计区域 */
.stats {
    padding: 50px 0;
    position: relative;
}

.timeline {
    display: flex;
    justify-content: space-between;
    background-color: #FFD100;
    padding: 10px 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.timeline-item {
    padding: 0 20px;
    font-weight: bold;
    color: #000;
}

.stats-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 50px;
}

.stats-item {
    text-align: center;
}

.stats-item h3 {
    font-size: 36px;
    color: #FFD100;
}

.stats-item h3 span {
    font-size: 24px;
}

.stats-item p {
    color: #999;
}

.stats-circles {
    display: flex;
    gap: 5px;
}

.circle {
    width: 50px;
    height: 50px;
    background-color: #FFD100;
    border-radius: 50%;
    display: inline-block;
}

/* 平面广告区域 */
.print-ads {
    padding: 100px 0;
}

.print-ads h2,
.video-ads h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

.ads-grid,
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.ad-card,
.video-card {
    background-color: #111;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.ad-card:hover,
.video-card:hover {
    transform: translateY(-10px);
}

.ad-image,
.video-image {
    height: 200px;
    overflow: hidden;
}

.ad-image img,
.video-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ad-info,
.video-info {
    padding: 15px;
    display: flex;
    justify-content: space-between;
}

.ad-card .btn,
.video-card .btn {
    display: block;
    margin: 0 15px 15px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}


/* 视频广告区域 */
.video-ads {
    padding: 50px 0 100px;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.filter-tabs a {
    padding: 8px 20px;
    border-radius: 20px;
    background-color: #222;
    transition: all 0.3s ease;
}

.filter-tabs a:hover,
.filter-tabs a.active {
    background-color: #FFD100;
    color: #000;
}

/* 底部区域 */
.footer {
    background-color: #111;
}

.partners {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 30px 0;
    border-bottom: 1px solid #222;
    margin-bottom: 50px;
}

.partners img {
    height: 30px;
    opacity: 0.6;
    transition: all 0.3s ease;
}

.partners img:hover {
    opacity: 1;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 50px;
}

.footer-logo {
    flex: 1;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 20px;
}

.footer-logo p {
    color: #999;
    margin-bottom: 20px;
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: inline-block;
    width: 30px;
    height: 30px;
}

.footer-links {
    flex: 2;
    display: flex;
    justify-content: space-around;
}

.footer-column h4 {
    color: #FFD100;
    margin-bottom: 20px;
    font-size: 16px;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column a {
    color: #999;
    transition: all 0.3s ease;
}

.footer-column a:hover {
    color: #FFD100;
}

.copyright {
    display: flex;
    justify-content: space-between;
    padding: 20px 0;
    color: #666;
    font-size: 14px;
}

.terms {
    display: flex;
    gap: 20px;
}

/* 响应式设计 */
@media (max-width: 991px) {
    .hero-content {
        flex-direction: column;
    }
    
    .hero-text {
        margin-bottom: 50px;
    }
    
    .ads-grid, 
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-logo {
        margin-bottom: 40px;
    }
}

@media (max-width: 767px) {
    .nav ul {
        display: none;
    }
    
    .timeline {
        overflow-x: auto;
    }
    
    .stats-content {
        flex-wrap: wrap;
    }
    
    .stats-item {
        width: 50%;
        margin-bottom: 30px;
    }
    
    .ads-grid, 
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-tabs {
        flex-wrap: wrap;
    }
    
    .footer-links {
        flex-direction: column;
    }
    
    .footer-column {
        margin-bottom: 30px;
    }
    
    .copyright {
        flex-direction: column;
        text-align: center;
    }
    
    .terms {
        justify-content: center;
        margin-top: 15px;
    }
}