body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #0f111a;
    color: #ffffff;
    scroll-behavior: smooth;
}
.gradient-text {
    background: linear-gradient(90deg, #3b82f6 0%, #a855f7 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav-link.active { color: #a855f7; border-bottom: 2px solid #a855f7; }

.glass-card {
    background: #1c1f2b;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
}
.btn-purple {
    background: linear-gradient(90deg, #6366f1, #a855f7);
    transition: opacity 0.3s;
}
.btn-purple:hover { opacity: 0.9; }

/* 截图容器样式 */
.screenshot-container {
    position: relative;
    background: #1e2230;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 40px 100px rgba(0,0,0,0.7);
    border-radius: 20px;
    overflow: hidden;
}

/* 轮播图样式 */
.carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.carousel-item {
    min-width: 100%;
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0f111a;
}
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s;
    border: 1px solid rgba(255,255,255,0.1);
}
.carousel-btn:hover { background: #a855f7; border-color: transparent; }
.carousel-btn.prev { left: 20px; }
.carousel-btn.next { right: 20px; }

.carousel-dots {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}
.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: all 0.3s;
}
.dot.active { background: #a855f7; width: 24px; border-radius: 4px; }

/* 整个滚动条 */
::-webkit-scrollbar {
    width: 8px;  /* 垂直滚动条宽度 */
    height: 8px; /* 水平滚动条高度 */
}

/* 滚动条轨道 */
::-webkit-scrollbar-track {
    background: #1e222d;
    border-radius: 5px;
}

/* 滚动条滑块 */
::-webkit-scrollbar-thumb {
    background: #414141;
    border-radius: 5px;
}

/* 滑块悬停状态 */
::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 瀑布流 section 样式 */
.feature-section:nth-child(even) { flex-direction: row-reverse; }

/* 时间线样式 */
.timeline-dot {
    position: absolute;
    left: -5px;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #a855f7;
}