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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: #1a1a1a;
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 25px 20px 20px;
}

.container {
    max-width: 500px;
    width: 100%;
    text-align: center;
}

/* 顶部区域 */
.top-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    margin-bottom: 15px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    animation: fadeInDown 0.8s ease-out;
}

/* Logo区域 */
.logo-section {
    flex-shrink: 0;
}

.logo {
    width: 110px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

/* 轮播容器 */
.carousel-container {
    position: relative;
    margin-bottom: 25px;
    animation: fadeIn 1s ease-out 0.2s both;
}

.carousel-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 18px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.6);
}

.carousel-slide {
    display: none;
    width: 100%;
}

.carousel-slide.active {
    display: block;
    animation: slideIn 0.5s ease-out;
}

.carousel-slide img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 15px;
}

/* 轮播指示器 */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 25px;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    transition: all 0.4s ease;
}

.indicator:hover {
    background-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.3);
}

.indicator.active {
    background-color: #00ffcc;
    width: 35px;
    border-radius: 6px;
    box-shadow: 0 0 10px rgba(0, 255, 204, 0.5);
}

/* 下载按钮 */
.download-section {
    flex-grow: 1;
}

.download-btn {
    background: linear-gradient(135deg, #00ffcc 0%, #00d9ff 100%);
    color: #000;
    border: none;
    padding: 16px 35px;
    font-size: 17px;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    width: 100%;
    box-shadow: 0 6px 20px rgba(0, 255, 204, 0.4);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 255, 204, 0.6);
}

.download-btn:active {
    transform: translateY(0);
}

.btn-text {
    font-size: 17px;
    font-weight: 700;
}

/* 动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 8px 25px rgba(0, 255, 204, 0.4);
    }

    50% {
        box-shadow: 0 8px 35px rgba(0, 255, 204, 0.7);
    }
}

/* 响应式设计 */
@media (max-width: 600px) {
    body {
        padding: 20px 15px 15px;
    }

    .top-section {
        gap: 15px;
        padding: 15px;
        margin-bottom: 20px;
    }

    .logo {
        width: 85px;
    }

    .download-btn {
        padding: 13px 25px;
        font-size: 15px;
    }

    .btn-text {
        font-size: 15px;
    }

    .carousel-indicators {
        margin-top: 20px;
        gap: 10px;
    }

    .indicator.active {
        width: 28px;
    }
}