:root {
    --primary-color: #FF4081;
    --button-gradient: linear-gradient(145deg, #FF4081, #E91E63);
    --background-start: #000000;
    --background-end: #1A1A1A;
    --text-color: #FFFFFF;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "Microsoft YaHei", sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, var(--background-start) 0%, var(--background-end) 100%);
    color: var(--text-color);
}

/* Header样式 */
header {
    text-align: center;
    padding: 3rem 0 2rem;
}

h1 {
    color: var(--primary-color);
    font-size: 2.8rem;
    text-shadow: 0 0 15px rgba(255,64,129,0.4);
}

.description {
    margin: 1.5rem auto;
    font-size: 1.2rem;
    color: rgba(255,255,255,0.9);
    max-width: 800px;
    padding: 0 2rem;
}

/* 主内容容器 */
.game-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
    padding: 2rem;
    max-width: 1000px;
    width: 100%;
}

/* 按钮样式 */
.game-button {
    background: var(--button-gradient);
    border: none;
    color: white;
    padding: 1.5rem 3rem;
    border-radius: 50px;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(255,64,129,0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.game-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(255,64,129,0.5);
}

/* 特性卡片 */
.features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    width: 100%;
    padding: 0 2rem;
}

.feature-card {
    background: rgba(255,64,129,0.1);
    border: 1px solid rgba(255,64,129,0.3);
    padding: 2rem;
    border-radius: 20px;
    backdrop-filter: blur(5px);
}

.feature-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* 内容区块 */
.content-section {
    width: 100%;
    line-height: 1.8;
    font-size: 1.1rem;
    padding: 0 2rem;
}

.level-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.level-list li {
    padding: 1.2rem;
    margin: 1rem 0;
    background: rgba(255,64,129,0.08);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
}

/* 页脚样式 */
footer {
    width: 100%;
    padding: 2rem;
    background: rgba(0,0,0,0.9);
    border-top: 1px solid rgba(255,64,129,0.3);
    margin-top: auto;
    text-align: center;
}

.keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.keywords span {
    background: rgba(255,64,129,0.2);
    color: var(--primary-color);
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    border: 1px solid rgba(255,64,129,0.3);
}

/* 响应式布局 */
@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }
    
    .features {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
    
    .game-button {
        padding: 1.2rem 2rem;
        font-size: 1.1rem;
    }
    
    .content-section {
        padding: 0 1rem;
    }
}

/* APP截图轮播 */
.app-showcase {
    width: 100%;
    margin: 2rem 0;
    padding: 0 2rem;
}

.showcase-title {
    font-size: 2rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
    text-shadow: 0 0 15px rgba(255,64,129,0.4);
}

.slider-container {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(255,64,129,0.3);
}

.slider-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transition: all 0.5s ease-in-out;
    transform: translateX(100%);
}

.slide.active {
    opacity: 1;
    transform: translateX(0);
    position: relative;
}

.slide.prev {
    transform: translateX(-100%);
}

.slide img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
}

.slide-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 3rem 2rem 2rem;
    text-align: center;
}

.slide-info h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.slide-info p {
    font-size: 1rem;
    color: rgba(255,255,255,0.9);
    line-height: 1.4;
}

/* 导航按钮 */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,64,129,0.8);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: rgba(255,64,129,1);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

/* 指示器 */
.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

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

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

/* 响应式设计 */
@media (max-width: 768px) {
    .app-showcase {
        padding: 0 1rem;
        margin: 1.5rem 0;
    }
    
    .showcase-title {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }
    
    .slider-container {
        max-width: 350px;
        margin: 0 auto;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .prev-btn {
        left: 10px;
    }
    
    .next-btn {
        right: 10px;
    }
    
    .slide-info {
        padding: 2rem 1.5rem 1.5rem;
    }
    
    .slide-info h3 {
        font-size: 1.3rem;
    }
    
    .slide-info p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .slider-container {
        max-width: 300px;
    }
    
    .showcase-title {
        font-size: 1.6rem;
    }
    
    .slider-btn {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .dot {
        width: 10px;
        height: 10px;
    }
}