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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
    background: #000;
}

.slideshow-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

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

.slide-caption {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem 3rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    max-width: 80%;
}

.slide-caption h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.slide-caption p {
    font-size: 1.5rem;
    opacity: 0.9;
}

/* 导航按钮 */
.nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0);
    border: none;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.nav-btn:hover {
    background: rgba(0, 0, 0, 0);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 30px;
}

.next-btn {
    right: 30px;
}

.nav-btn i {
    font-size: 1.5rem;
}

/* 指示器 */
.indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: white;
    transform: scale(1.3);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* 进度条 */
.progress-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    z-index: 10;
}

.progress-bar {
    height: 100%;
    background: white;
    width: 0%;
    transition: width 0.1s linear;
}

/* 控制按钮 */
.controls {
    position: absolute;
    top: 30px;
    right: 30px;
    display: flex;
    gap: 15px;
    z-index: 10;
}

.control-btn {
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

.control-btn i {
    font-size: 1.2rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .slide-caption {
        bottom: 15%;
        padding: 1.5rem 2rem;
    max-width: 90%;
    backdrop-filter: blur(5px);
    background: rgba(0, 0, 0, 0.4);
    }
    
    .slide-caption h2 {
        font-size: 2rem;
    }
    
    .slide-caption p {
        font-size: 1.2rem;
    }
    
    .nav-btn {
        width: 50px;
        height: 50px;
    }
    
    .prev-btn {
        left: 20px;
    }
    
    .next-btn {
        right: 20px;
    }
    
    .controls {
        top: 20px;
        right: 20px;
    }
    
    .control-btn {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .slide-caption h2 {
        font-size: 1.5rem;
    }
    
    .slide-caption p {
        font-size: 1rem;
    }
    
    .nav-btn {
        width: 45px;
        height: 45px;
    }
    
    .indicators {
        bottom: 30px;
    }
}