/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

/* 导航栏样式优化 */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    background: transparent;
    padding: 5px 10px;
}

.logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

/* 导航链接样式 */
.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin: 0 15px;
}

.nav-links li a {
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: #ffffff;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links li a:hover {
    color: #2B5AED;
}

/* 移动端菜单按钮改为白色 */
.mobile-menu {
    display: none;
    cursor: pointer;
    color: #ffffff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }

    .logo img {
        height: 40px;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu {
        display: block;
    }

    /* 当导航菜单展开时的样式 */
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.9);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 1rem 0;
        box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    }

    .nav-links.active li {
        margin: 10px 0;
    }

    .nav-links.active li a {
        color: #ffffff;
    }
}

/* 轮播图样式 */
.hero-section {
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-slider {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    pointer-events: none; /* 防止未显示的幻灯片影响交互 */
}

.slide.active {
    opacity: 1;
    pointer-events: auto;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.slide-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 2;
}

.slide-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s forwards;
}

.slide-content p {
    font-size: 1.5rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s 0.3s forwards;
}

.slider-controls {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 20px;
    z-index: 3;
}

.prev-slide,
.next-slide {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s;
}

.prev-slide:hover,
.next-slide:hover {
    background: rgba(255, 255, 255, 0.3);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式适配 */
@media (max-width: 768px) {
    .slide-content h2 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1.2rem;
    }
}

/* 轮播点样式 */
.slider-dots {
    display: flex;
    gap: 10px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.3s;
}

.slider-dot.active {
    background: #ffffff;
}