/* 英雄区 */
.hero {
    background-color: #3758f9;
    color: white;
    padding: 80px 0 0;
    text-align: center;
}

.interface-image {
    margin-bottom: -1px;
}

.hero-content {
    max-width: 1000px;
    margin: 0 auto;
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    margin-bottom: 60px;
}

.hero-buttons .btn {
    margin: 0 10px;
}

.hero-buttons .btn-primary {
    background-color: #52c41a;
    color: white;
}

.hero-buttons .btn-primary:hover {
    background-color: #73d13d;
}

.interface-image {
    width: 100%;
    max-width: 900px;
    margin: 0 auto -10px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1;
}

.interface-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
}

/* 首页品牌展示 */
.brand-strip {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    margin-top: 48px;
}

.brand-strip img {
    height: 40px;
    object-fit: contain;
    filter: none;
    opacity: 0.95;
    transition: transform 0.2s ease, opacity 0.2s ease, filter 0.2s ease;
}

.brand-strip img:hover {
    transform: translateY(-2px);
    opacity: 1;
}

/* 品牌区（白底） */
.brands {
    background-color: white;
    padding: 80px 0;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
    margin-top: 16px;
}

.showcase-card {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.showcase-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.showcase-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    display: block;
    margin-bottom: 14px;
    border: 1px solid #e4e7ed;
}

.showcase-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #303133;
}

.showcase-card p {
    font-size: 14px;
    color: #606266;
    line-height: 1.7;
}

/* 核心功能 */
.features {
    padding: 100px 0;
    background-color: #f5f7fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-item {
    background-color: white;
    padding: 30px 20px;
    border-radius: 8px;
    text-align: center;
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 102, 255, 0.15);
}

.feature-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #0066ff;
    border-radius: 8px;
}

.feature-icon img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.feature-item h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #303133;
}

.feature-item p {
    color: #606266;
    font-size: 12px;
    line-height: 1.5;
}

/* 私有化部署 */
.private-deployment {
    padding: 100px 0;
    background-color: #f5f7fa;
}

.private-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.private-text h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #303133;
}

.private-text p {
    font-size: 16px;
    color: #606266;
    margin-bottom: 20px;
}

.private-text ul {
    list-style: none;
}

.private-text li {
    font-size: 16px;
    color: #606266;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.private-text li::before {
    content: '✓';
    color: #67c23a;
    position: absolute;
    left: 0;
}

/* 产品版本 */
.versions {
    padding: 100px 0;
    background-color: white;
}

.versions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.version-item {
    background-color: #f5f7fa;
    padding: 40px 30px;
    border-radius: 8px;
    border: 1px solid #e4e7ed;
    transition: all 0.3s ease;
}

.version-item:hover {
    border-color: #409eff;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.version-item h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #303133;
}

.version-item p {
    color: #606266;
    font-size: 14px;
}

/* 响应式设计 (Index Specific) */
@media (max-width: 768px) {
    .showcase-grid {
        grid-template-columns: 1fr;
    }

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

    .hero-content h2 {
        font-size: 32px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .hero-buttons .btn {
        margin: 0;
    }

    .versions-grid {
        grid-template-columns: 1fr;
    }

    .private-content {
        flex-direction: column;
        text-align: center;
    }
}