/**
 * 四为翻转卡片样式
 */

.siwei-flip-card-wrapper {
    width: 100%;
}

.flip-card-container {
    position: relative;
    width: 100%;
    height: 400px;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

/* 正面 */
.flip-card-front {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
}

/* 正面遮罩层 */
.flip-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0) 0%,
        rgba(0, 0, 0, 0.3) 50%,
        rgba(0, 0, 0, 0.6) 100%
    );
    pointer-events: none;
}

/* 标题容器 */
.flip-card-title-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    width: 90%;
    max-width: 100%;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 15px 20px;
    backdrop-filter: blur(5px);
    opacity: 1;
    visibility: visible;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.flip-card-title {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    color: #FFFFFF;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 详情内容容器 */
.flip-card-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    overflow-y: auto;
}

.flip-card-back-content {
    width: 100%;
    height: 100%;
    padding: 30px;
    color: #333333;
    font-size: 14px;
    line-height: 1.6;
    /*overflow-y: auto;*/
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    overflow: hidden;
}

/* 背面内容滚动条样式 */
.flip-card-back-content::-webkit-scrollbar {
    width: 6px;
}

.flip-card-back-content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.flip-card-back-content::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

.flip-card-back-content::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* 翻转状态 - 隐藏标题，显示详情 */
.flip-card-container.flipped .flip-card-title-wrapper {
    opacity: 0;
    visibility: hidden;
}

.flip-card-container.flipped .flip-card-back {
    opacity: 1;
    visibility: visible;
}

/* 悬停效果 */
.flip-card-container:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* 背面内容样式优化 */
.flip-card-back-content p {
    margin-bottom: 12px;
}

.flip-card-back-content p:last-child {
    margin-bottom: 0;
}

.flip-card-back-content h1,
.flip-card-back-content h2,
.flip-card-back-content h3,
.flip-card-back-content h4 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #006aa6;
}

.flip-card-back-content ul,
.flip-card-back-content ol {
    margin: 10px 0;
    padding-left: 20px;
}

.flip-card-back-content li {
    margin-bottom: 8px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .flip-card-container {
        height: 300px;
    }

    .flip-card-title {
        font-size: 20px;
    }

    .flip-card-title-wrapper {
        padding: 12px 15px;
    }

    .flip-card-back-content {
        padding: 20px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .flip-card-container {
        height: 250px;
    }

    .flip-card-title {
        font-size: 18px;
    }

    .flip-card-title-wrapper {
        padding: 10px 12px;
    }

    .flip-card-back-content {
        padding: 15px;
        font-size: 12px;
    }
}