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

/* 客服导航样式 */
.customer-service-nav {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: rgba(255, 255, 255, 0.95);
    padding: 12px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.customer-service-nav:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    transform: translateY(-50%) translateX(5px);
}

.cs-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: 12px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 0, 0, 0.05);
    min-width: 44px;
    overflow: hidden;
}

.cs-link:hover {
    background: #ffffff;
    transform: translateX(5px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.cs-link img {
    width: 28px;
    height: 28px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.cs-link:hover img {
    transform: scale(1.1);
}

.cs-link span {
    display: none;
    white-space: nowrap;
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.customer-service-nav:hover .cs-link span {
    display: inline-block;
    opacity: 1;
    transform: translateX(0);
}

.faq {
    max-width: 1200px;
    margin: 60px auto;
    padding: 20px;
    border-radius: 12px;
    background: #f5f7ff;
    box-shadow: 0 4px 12px rgb(245 247 255);
    font-family: "Helvetica Neue", Arial, sans-serif;
}

.faq h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 25px;
    text-align: center;
    /* 大标题居中 */
    color: #222;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.faq h3 {
    font-size: 20px;
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 8px;
    color: #333;
    text-align: left;
    /* 问题左对齐 */
    cursor: pointer;
    transition: color 0.3s;
}

.faq h3:hover {
    color: #0073e6;
}

.faq p {
    font-size: 16px;
    line-height: 1.6;
    color: #555;
    margin: 0 0 15px;
    text-align: left;
    /* 答案左对齐 */
    display: none;
    /* 默认隐藏 */
}

/* 展开时显示答案 */
.faq h3.active+p {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

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

.price-wrapper {
    font-family: Arial, sans-serif;
}

.price-original {
    text-decoration: line-through;
    color: #888;
    margin-right: 8px;
    font-size: 16px;
}

.price-discount {
    color: #e53935;
    font-size: 24px;
    font-weight: bold;
}

.price-discount span {
    font-size: 16px;
    color: #555;
}