/* ===== 英雄区样式 ===== */
.hero-section {
    background: url('../images/hero-bg.jpg') no-repeat center center/cover;
    color: #fff;
    position: relative;
    padding: 100px 0;
}

    .hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1;
    }

    .hero-section .container {
        position: relative;
        z-index: 2;
    }

    .hero-section .btn-lg {
        font-size: 1.2rem;
        border-radius: 50px;
        padding: 12px 30px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .hero-section .btn-primary {
        background: #1890FF; /* Semi.Design 主色 */
        border: none;
    }

        .hero-section .btn-primary:hover {
            background: #096DD9; /* 主色的深色变体 */
        }

/* ===== 下载卡片样式 ===== */
.download-card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 20px;
    overflow: hidden;
}

    .download-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 6px 10px rgba(0, 0, 0, 0.15);
    }

/* ===== 图标美化 ===== */
.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1890FF; /* Semi.Design 主色 */
    background: #E6F7FF; /* 主色的浅色背景 */
    border-radius: 50%;
    padding: 18px;
    display: inline-block;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    font-style:normal;
}

/* ===== 微信客服二维码 ===== */
.wechat-qrcode {
    max-width: 200px;
    margin: 0 auto;
    display: block;
    border: 2px dashed #1890FF; /* Semi.Design 主色 */
    padding: 10px;
    border-radius: 8px;
}

/* ===== 表格样式 ===== */
.table-responsive {
    margin-top: 2rem;
}

.table th {
    position: sticky;
    top: 0;
    font-weight: bold;
}

/* ===== 页脚 ===== */
.footer {
    background: #001529; /* Semi.Design 深色背景 */
    color: #F0F2F5; /* 中性色 */
    padding: 20px 0;
}

    .footer a {
        color: #F0F2F5; /* 中性色 */
        text-decoration: none;
    }

        .footer a:hover {
            color: #F0F2F5; /* 中性色 */
            text-decoration: underline;
        }

    .footer hr {
        border-color: #1890FF; /* Semi.Design 主色 */
    }

    .footer h5 {
        color: #fff;
        font-weight: bold;
    }

/* ===== 导航栏 ===== */
.navbar {
    border-bottom: 1px solid rgba(28, 31, 35, 0.08); /* Semi.Design 主色 */
}

.nav-link {
    transition: color 0.3s ease;
}


.nav-item {
    margin-right: 10px;
}

/* ===== 客户反馈卡片 ===== */
.testimonial-card {
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .testimonial-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 6px 10px rgba(0, 0, 0, 0.15);
    }

    .testimonial-card img {
        border: 2px solid #1890FF; /* Semi.Design 主色 */
    }

/* ===== FAQ 区 ===== */
.faq-item {
    margin-bottom: 1.5rem;
    border-left: 4px solid #1890FF; /* Semi.Design 主色 */
    padding-left: 15px;
}

.faq-question {
    font-weight: 600;
    color: #1890FF; /* Semi.Design 主色 */
    cursor: pointer;
}

    .faq-question:hover {
    }

.faq-answer {
    margin-top: 0.5rem;
}

/* ===== 版本徽章 ===== */
.badge-version {
    font-size: 0.7em;
    vertical-align: middle;
}

/* ===== 响应式优化 ===== */
@media (max-width: 576px) {
    .hero-section .btn {
        display: block;
        width: 100%;
        margin-bottom: 10px;
    }

    .download-card {
        margin-bottom: 30px;
    }
}