/* 响应式设计样式 */

/* 平板设备 (768px - 1024px) */
@media screen and (max-width: 1024px) {
    .container {
        max-width: 90%;
    }

    .site-title {
        font-size: 2rem;
    }

    .search-form {
        flex-direction: column;
    }

    .search-form input,
    .search-form button {
        width: 100%;
    }

    .requirements-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

/* 移动设备 (小于 768px) */
@media screen and (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .site-title {
        font-size: 1.8rem;
    }

    .language-switcher {
        flex-wrap: wrap;
    }

    .lang-btn {
        padding: 6px 12px;
        font-size: 14px;
    }

    .search-section {
        padding: 20px 0;
    }

    .result-section,
    .feedback-section {
        padding: 20px 0;
    }

    .requirements-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .requirement-tag {
        padding: 12px;
    }

    .form-group input,
    .form-group textarea {
        padding: 10px;
    }
}

/* 小屏幕移动设备 (小于 480px) */
@media screen and (max-width: 480px) {
    .site-title {
        font-size: 1.5rem;
    }

    .search-form input {
        font-size: 14px;
    }

    .search-form button {
        padding: 10px 20px;
    }

    .requirements-grid {
        gap: 10px;
    }

    .requirement-tag {
        font-size: 14px;
    }
}

/* 横屏模式优化 */
@media screen and (orientation: landscape) and (max-height: 500px) {
    .search-section {
        padding: 20px 0;
    }

    .result-section,
    .feedback-section {
        padding: 20px 0;
    }

    .requirements-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

/* 高分辨率设备优化 */
@media screen and (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }

    .site-title {
        font-size: 3rem;
    }

    .search-form {
        max-width: 800px;
    }

    .requirements-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}