/* Mobile styles */
@media screen and (max-width: 768px) {
    /* 导航栏移动端样式 */
    .navbar {
        height: 50px;
        background: #fff;
        box-shadow: none;
    }

    .logo-link {
        left: 15px;
    }

    .logo {
        width: 90px;
        height: auto;
    }

    .nav-container {
        display: none;
    }

    .nav-button {
        right: 15px;
        padding: 6px 15px;
        font-size: 14px;
        background: #6366F1;
        border-radius: 8px;
        white-space: nowrap;
        min-width: 160px;
        text-align: center;
    }

    /* 主要内容区域移动端样式 */
    .main-content {
        padding-top: 50px;
    }

    /* Hero区域移动端样式 */
    .hero-section {
        padding: 20px;
        height: auto;
        min-height: auto;
        background: linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 100%);
    }

    .hero-title {
        font-size: 28px;
        text-align: center;
        margin: 20px auto 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        max-width: 300px;
        position: relative;
    }

    .hero-title img.ai-logo {
        height: 60px;
        width: auto;
        margin: 0 2px;
        position: relative;
        top: -10px;
    }

    .hero-subtitle {
        font-size: 16px;
        text-align: center;
        margin: 0 auto 30px;
        color: #374151;
        max-width: 280px;
    }

    /* 在移动端隐藏统计数据部分 */
    .stats-grid {
        display: none;
    }

    .button-group {
        flex-direction: column;
        gap: 12px;
        padding: 0;
        margin-top: 20px;
    }

    .primary-button,
    .secondary-button {
        width: 100%;
        font-size: 16px;
        padding: 12px;
        border-radius: 8px;
        justify-content: center;
    }

    /* 内容区域移动端样式 */
    .section-content {
        padding: 40px 20px;
    }

    .section-title {
        font-size: 24px;
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 15px;
    }

    .section-title .title-icon {
        width: 32px;
        height: 32px;
    }

    .desc-text {
        font-size: 14px;
        color: #6B7280;
        margin-bottom: 20px;
    }

    .desc-text p {
        margin: 5px 0;
    }

    /* 统一视频容器样式 */
    .demo-container {
        background: #F3F4F6;
        border-radius: 16px;
        padding: 15px;
        margin: 20px -15px;
        aspect-ratio: 16/9;
    }

    .video-wrapper {
        width: 100%;
        height: 100%;
        border-radius: 12px;
        overflow: hidden;
        background: #fff;
        padding: 10px;
        aspect-ratio: 16/9;
    }

    .demo-video {
        width: 100%;
        height: 100%;
        border-radius: 8px;
        object-fit: cover;
    }

    /* 在移动端隐藏AI评审专家底部图片 */
    .desc-bottom {
        display: none;
    }

    /* 调整视频下方的标签样式 */
    .video-tags {
        display: flex;
        gap: 10px;
        margin-top: 10px;
        flex-wrap: wrap;
    }

    .video-tag {
        background: rgba(99, 102, 241, 0.1);
        color: #6366F1;
        padding: 4px 12px;
        border-radius: 100px;
        font-size: 12px;
    }

    /* 特性区域移动端样式 */
    .features-section {
        padding: 40px 20px;
    }

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

    .feature-card {
        padding: 20px;
        border-radius: 16px;
        background: #F9FAFB;
        border: 1px solid #E5E7EB;
    }

    .feature-icon {
        width: 40px;
        height: 40px;
    }

    .feature-title {
        font-size: 18px;
        margin: 10px 0;
        color: #111827;
    }

    .feature-desc {
        font-size: 14px;
        color: #6B7280;
        line-height: 1.6;
    }

    /* FAQ区域移动端样式 */
    .faq-section {
        padding: 40px 20px;
    }

    .faq-header {
        margin-bottom: 20px;
    }

    .faq-item {
        margin-bottom: 10px;
        border: 1px solid #E5E7EB;
        border-radius: 12px;
        overflow: hidden;
    }

    .faq-question {
        font-size: 16px;
        padding: 15px;
        background: #F9FAFB;
    }

    .faq-answer {
        font-size: 14px;
        padding: 15px;
        color: #6B7280;
    }

    /* AI培训教练部分特殊样式 */
    .training-section .demo-container {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding-top: 60px;
        padding-bottom: 60px;
        min-height: 450px;
    }

    .training-section .desc-left,
    .training-section .desc-right {
        position: absolute;
        width: 150px;
        height: auto;
        z-index: 2;
    }

    .training-section .desc-left {
        left: 50%;
        transform: translateX(-50%);
        top: 0;
    }

    .training-section .desc-right {
        left: 50%;
        transform: translateX(-50%);
        bottom: 0;
    }

    .training-section .video-wrapper {
        position: relative;
        z-index: 1;
        width: 100%;
        margin: 0;
        height: 180px;
        top: -25px;
    }

    .training-section .demo-video {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
}

/* 移动端导航菜单 */
.mobile-menu {
    display: none;
    position: fixed;
    top: 50px;
    left: 0;
    width: 100%;
    background: #fff;
    padding: 10px 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 999;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu .nav-link {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    color: #374151;
    border-bottom: 1px solid #E5E7EB;
}

.mobile-menu .nav-link:last-child {
    border-bottom: none;
}

.mobile-menu .nav-link.active {
    color: #6366F1;
}

/* 移动端导航菜单按钮 */
.mobile-menu-button {
    display: none;
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    padding: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-button span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #333;
    margin: 4px 0;
    transition: 0.3s;
}

@media screen and (max-width: 768px) {
    .mobile-menu-button {
        display: block;
    }
}