/* Home Index Styles based on index_test.css */

:root {
    /* 主题色 */
    --primary-color: #0056b3;
    --secondary-color: #004494;
    --accent-color: #ffc107;
    
    /* 文本色 */
    --text-color: #333333;
    --text-light: #666666;
    --text-white: #ffffff;
    
    /* 背景色 */
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --bg-dark: #343a40;
    
    /* 字体 */
    --font-primary: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    
    /* 间距 */
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 40px;
    --spacing-xl: 80px;
    
    /* 过渡 */
    --transition: all 0.3s ease;
}

/* =========================================
   首页轮播图 (Hero Section)
   ========================================= */
.hero-section {
    position: relative;
    overflow: hidden;
    /* margin-top: 80px; Handled by layout if needed */
}

.slider-container {
    position: relative;
    height: 350px; /* Adjusted to be taller as seen in modern designs */
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center; /* 确保内容水平居中 */
    z-index: 0;
}

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

/* 遮罩层，让文字更清晰 */
.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    color: var(--text-white);
    max-width: 800px;
    width: 100%;
    text-align: center;
    animation: fadeInUp 1s ease both;
    padding: 0 20px;
}

.slide-content h1 {
    font-size: 3.0rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.slide-content p {
    font-size: 1.25rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 10px 30px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-white);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    color: var(--text-white);
}

/* Slider Controls */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(0, 0, 0, 0.3);
    border: none;
    border-radius: 50%;
    color: var(--text-white);
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background-color: var(--primary-color);
}

.slider-btn.prev {
    left: 30px;
}

.slider-btn.next {
    right: 30px;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active, .dot:hover {
    background-color: var(--text-white);
    transform: scale(1.2);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate(-50%, -40%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .slide-content h1 {
        font-size: 2rem;
    }
    .slide-content p {
        font-size: 1rem;
    }
    .slider-container {
        height: 400px;
    }
}