/* 消费帮扶模式智能推荐系统 - 导航页面样式 */

.logos-row img[alt="gqt"] {
    display: none !important;
}

.logos-row img[alt="zufe"] {
    height: 48px !important;
    width: auto !important;
    margin-top: 2px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 多 Logo 横排容器 */
.logos-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.logos-row img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

body {
    font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 40px;
    max-width: 800px;
    width: 100%;
    text-align: center;
}

.header {
    margin-bottom: 40px;
}

.logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

h1 {
    color: #2c3e50;
    font-size: 2.5em;
    margin-bottom: 10px;
    font-weight: 300;
}

.subtitle {
    color: #7f8c8d;
    font-size: 1.2em;
    margin-bottom: 30px;
}

.description {
    color: #5a6c7d;
    font-size: 1em;
    line-height: 1.6;
    margin-bottom: 40px;
    text-align: left;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #3498db;
}

.systems-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.system-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.system-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.system-card:hover::before {
    transform: scaleX(1);
}

.system-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    border-color: #3498db;
}

.system-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #3498db, #2ecc71);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.system-title {
    font-size: 1.5em;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

.system-description {
    color: #7f8c8d;
    font-size: 0.95em;
    line-height: 1.5;
    margin-bottom: 20px;
}

.system-features {
    list-style: none;
    margin-bottom: 25px;
}

.system-features li {
    color: #5a6c7d;
    font-size: 0.9em;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.system-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

.access-btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    min-width: 150px;
}

.access-btn:hover {
    background: linear-gradient(135deg, #2980b9, #1f618d);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(52, 152, 219, 0.3);
}

.web2-btn {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.web2-btn:hover {
    background: linear-gradient(135deg, #c0392b, #a93226);
    box-shadow: 0 8px 20px rgba(231, 76, 60, 0.3);
}

.web3-btn {
    background: linear-gradient(135deg, #27ae60, #229954);
}

.web3-btn:hover {
    background: linear-gradient(135deg, #229954, #1e8449);
    box-shadow: 0 8px 20px rgba(39, 174, 96, 0.3);
}

.footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #ecf0f1;
    color: #95a5a6;
    font-size: 0.9em;
}

@media (max-width: 768px) {
    .container {
        padding: 20px;
        margin: 10px;
    }

    h1 {
        font-size: 2em;
    }

    .systems-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .system-card {
        padding: 20px;
    }
}