/* 响应式适配 */
@media (max-width: 768px) {
    h1 {
        font-size: 32px;
    }

    h2 {
        font-size: 24px;
    }

    h3 {
        font-size: 20px;
    }

    .hero-slogan {
        font-size: 35px;
    }

    .cta-container {
        gap: 20px;
    }

    .cta-card {
        padding: 32px 24px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.05);
    }

    .nav-links.active {
        display: flex;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .btn-outline {
        margin-left: 0;
        margin-top: 15px;
        width: 100%;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .mobile-cta {
        display: block;
    }

    section {
        padding: 60px 0;
    }

    .hero {
        /*padding: 50px 0 80px;*/
        padding: 5vw 0 6vw;
    }

    .assessment-form {
        padding: 25px;
    }

    .value-points {
        flex-direction: column;
        align-items: flex-start;
    }

    .workflow-diagram {
        padding: 20px 10px;
    }

    .workflow-step {
        min-width: 80px;
        padding: 8px 10px;
        font-size: 12px;
        text-align: center;
    }

    .workflow-arrow {
        font-size: 18px;
    }

    .maturity-models {
        grid-template-columns: 1fr;
    }

    .pilot-plans {
        grid-template-columns: 1fr;
    }

    .deliverables-list {
        grid-template-columns: 1fr;
    }

    .radio-group {
        flex-direction: column;
        gap: 10px;
    }

    .cta-container {
        flex-direction: column;
    }

    .cta-card {
        min-width: 100%;
    }

    .maturity-levels {
        grid-template-columns: repeat(2, 1fr); /* 改为2列布局，避免跨列错位 */
        gap: 20px;
        align-items: center; /* 居中对齐，视觉更规整 */
    }

    /* 调整Level 3/5的位置，保持层级感 */
    .level-card:nth-child(3) {
        grid-column: span 2;
        max-width: 60%;
        margin: 0 auto;
    }

    .level-card:nth-child(5) {
        grid-column: span 2;
        max-width: 70%;
        margin: 0 auto;
    }

    .maturity-levels::before {
        display: none; /* 中屏隐藏连接线，避免错位 */
    }

    .maturity-levels {
        grid-template-columns: 1fr;
        gap: 20px;
        align-items: center;
    }

    .level-card {
        height: auto !important;
        padding: 24px 20px;
        transform: none !important;
        max-width: 350px;
        margin: 0 auto;
    }

    .container-architecture {
        width: 95%;
        gap: 20px;
    }

    .card-group {
        flex-direction: column; /* 小屏垂直排列卡片 */
        gap: 20px;
    }

    .card {
        width: 100%;
        height: auto;
        margin: 0 !important; /* 取消重叠 */
        /* 小屏保留轻微3D倾斜，不取消效果 */
        transform: rotateY(0deg) translateZ(0px) !important;
    }

    .base {
        height: 140px;
        transform: translateZ(0px); /* 小屏底座不后移 */
    }

    .base-title {
        font-size: 24px;
    }

    .base-desc {
        font-size: 14px;
    }
}