/* 基础通用（必须保留） */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 模块6 CTA 样式 */
.cta {
    background: #24bb9d;
    color: white;
    text-align: center;
    padding: 60px 0;
}

.cta h2 {
    color: white;
    font-size: 36px;
    margin-bottom: 30px;
    position: relative;
}

.cta h2::after {
    content: "";
    width: 60px;
    height: 4px;
    background: white;
    display: block;
    margin: 12px auto 0;
    border-radius: 2px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-btn {
    padding: 14px 36px;
    background: white;
    color: #24bb9d;
    border-radius: 50px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

.cta-btn:hover {
    background: #f0f0f0;
    transform: scale(1.05);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .cta {
        padding: 50px 20px;
    }
    .cta h2 {
        font-size: 28px;
    }
}