/* 基本样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
    overflow-x: hidden;
}

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

/* 头部样式 */
.header {
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    color: white;
    text-align: center;
    padding: 60px 20px;
    margin-bottom: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    animation: headerFadeIn 1.5s ease-out;
}

@keyframes headerFadeIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.title {
    font-size: 3rem;
    margin-bottom: 10px;
    animation: titleSlideIn 1s ease-out 0.5s both;
}

@keyframes titleSlideIn {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    animation: subtitleSlideIn 1s ease-out 0.8s both;
}

@keyframes subtitleSlideIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 卡片容器 */
.card-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
}

/* 卡片样式 */
.card {
    background: white;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 20px;
    width: calc(33.333% - 20px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* 淡入动画 */
.fade-in {
    animation: fadeIn 1.5s ease-out;
}

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

/* 滑入动画 */
.slide-in {
    animation: slideIn 1.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 放大动画 */
.scale-up {
    animation: scaleUp 1.5s ease-out;
}

@keyframes scaleUp {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 交互式动画部分 */
.interactive-section {
    background: white;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.section-title {
    margin-bottom: 20px;
    color: #444;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #6e8efb, #a777e3);
    animation: lineGrow 1.5s ease-out forwards;
}

@keyframes lineGrow {
    to { width: 100%; }
}

.buttons {
    margin-bottom: 30px;
}

.btn {
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    color: white;
    border: none;
    padding: 10px 20px;
    margin: 0 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.animation-box {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    border-radius: 8px;
    font-weight: bold;
}

/* 悬停效果部分 */
.hover-section {
    background: white;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.hover-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.hover-item {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.hover-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: all 0.5s ease;
    transform: skewX(-30deg);
}

.hover-item:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.hover-item:hover::before {
    left: 100%;
}

/* 页脚样式 */
.footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .card {
        width: 100%;
    }
    
    .hover-item {
        width: 120px;
        height: 120px;
    }
}

/* 动画类 */
.pulse {
    animation: pulse 0.8s ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.shake {
    animation: shake 0.8s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-10px); }
    20%, 40%, 60%, 80% { transform: translateX(10px); }
}

.rotate {
    animation: rotate 0.8s ease-in-out;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}