html, body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif !important;
    font-size: 16px !important;
    color: #333 !important;
    line-height: 1.8;
    background-color: #f9f9f9;
}
main {
    font-family: inherit !important;
    box-sizing: border-box;
}

header {
    background: #FF9B26;
    color: white;
    text-align: center;
    padding: 50px 20px;
}
header h1 {
    font-size: 32px;
    margin: 0;
    letter-spacing: 2px;
}
header p {
    font-size: 16px;
    margin-top: 10px;
}
.container {
    max-width: 1100px;
    margin: 50px auto;
    background: white;
    padding: 30px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.section {
    margin-bottom: 60px;
}
.section h2 {
    font-size: 26px;
    color: #FF9B26;
    border-left: 5px solid #FF9B26;
    padding-left: 10px;
    margin-bottom: 20px;
}
.about {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    align-items: center;
}
.about img {
    width: 45%;
    border-radius: 10px;
}
.about .text {
    flex: 1;
    min-width: 280px;
}
.about .text p {
    margin-bottom: 15px;
    text-align: justify;
}
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}
.feature {
    background: #f2f6fc;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
}
.feature:hover {
    transform: translateY(-5px);
}
.feature img {
    width: 60px;
    height: 60px;
    margin-bottom: 10px;
}

.section .features .feature {
    padding: 14px;
}

.section .features p {
    color: #333;
    line-height: 20px;
    margin-top: 12px;
    font-size: 14px;
}

/* 手机端优化 */
@media (max-width: 768px) {
    .main {
        margin-top: -10px;
    }
    header {
        /*padding: 30px 15px;*/
    }
    header h1 {
        font-size: 24px;
    }
    .about {
        flex-direction: column;
    }
    .about img {
        width: 100%;
    }
    .container {
        padding: 20px 15px;
        margin: 20px auto;
    }
    .section h2 {
        font-size: 22px;
    }
}