/* 区域整体样式 */
.applicable-hero {
    position: relative;
    /* 作为定位参照 */
    width: 100%;
    height: 0;
    margin-top: 90px;
    overflow: hidden;
    height: 650px;

}

/* 独立图片 */
.applicable-img {
    height: 650px;

    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    /* 关键：完整显示，不裁剪 */
    filter: brightness(0.55);
    /* 保证文字可读 */
    z-index: 1;
}

/* 文字层 */
.applicable-content {
    position: absolute;
    inset: 0;
    /* 等价于 top:0;right:0;bottom:0;left:0 */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    z-index: 2;
}

.applicable-title {
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 4px 15px rgba(0, 0, 0, .4);
}


.applicable-desc {
    font-size: clamp(1rem, 2vw, 1.3rem);
    margin-bottom: 40px;
    line-height: 1.6;
    color: #e0e0e0;
}

.solutions-section {
    width: 100%;
    padding: 48px 0 60px;
    background: #fff;
}

.section-header {
    text-align: center;
    margin: 0 auto 28px;
    max-width: 980px;
}

.section-header h2 {
    font-size: 2.8rem;
    margin: 0 0 8px;
}

.section-header p {
    font-size: 1.2rem;
    color: #6b7280;
    margin: 0;
}

/* 网格布局：两列在大屏，单列在小屏 */
.solutions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* 单卡片样式（与图片风格保持一致） */
.solution-card {
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .06);
    transition: transform .2s ease;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.solution-card:hover {
    transform: translateY(-2px);
}

.card-image {
    width: 100%;
    height: 300px;
    display: block;
}

.card-content {
    padding: 16px 20px 20px;
}

.card-title {
    font-size: 1.15rem;
    margin: 0 0 6px;
    color: #111827;
}

.card-desc {
    color: #6b7280;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0 0 12px;
}

.card-link {
    color: #1a73e8;
    text-decoration: none;
    font-weight: 500;
}

.card-link:hover,
.card-link:focus {
    text-decoration: underline;
    outline: none;
}

/* ===== 移动端适配补丁 ===== */
@media (max-width: 768px) {

    /* 1. Hero 区域 */
    .applicable-hero {
        height: 62vh;
        /* 用视口高度更灵活 */
        min-height: 420px;
        /* 极限小屏也够用 */
        margin-top: 0px;
        /* 顶部导航可能变矮，相应减少 */
    }

    .applicable-img {
        height: 100%;
        /* 跟随父级 */
        object-fit: cover;
        /* 两侧允许被裁，保证主体可见 */
    }

    .applicable-title {
        font-size: clamp(2rem, 7vw, 2.6rem);
        padding: 0 16px;
        /* 左右留安全距 */
    }

    .applicable-desc {
        font-size: clamp(.9rem, 3vw, 1.1rem);
        padding: 0 16px;
        margin-bottom: 32px;
    }

    /* 2. 解决方案网格 */
    .solutions-grid {
        grid-template-columns: 1fr;
        /* 单列 */
        gap: 20px;
        width: 92%;
        /* 两侧留缝 */
    }

    /* 3. 卡片微调 */
    .card-image {
        height: 200px;
        /* 图片省高度 */
    }

    .card-content {
        padding: 14px 16px 18px;
    }

    .card-title {
        font-size: 1.05rem;
    }

    .card-desc {
        font-size: .9rem;
    }

    /* 4. 可点击区域 ≥48px */
    .card-link {
        display: inline-block;
        padding: 12px 0;
    }
}

/* 5. 极小屏（折叠屏/SE）再压一点字 */
@media (max-width: 375px) {
    .applicable-title {
        font-size: 1.6rem;
    }

    .applicable-desc {
        font-size: .9rem;
    }
}