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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.8;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8eaf6 100%);
}

.hdr7m {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav4k {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo2x {
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: white;
    display: flex;
    align-items: center;
    gap: 10px;
}

.backhome5t {
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.backhome5t:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

.article8w {
    max-width: 900px;
    margin: 2rem auto;
    padding: 3rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.title9j {
    font-size: 2.2rem;
    color: #764ba2;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid #667eea;
}

.meta6r {
    color: #999;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    display: flex;
    gap: 1.5rem;
}

.meta6r span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.content3h {
    font-size: 1.05rem;
    color: #555;
}

.content3h h2 {
    font-size: 1.6rem;
    color: #764ba2;
    margin-top: 2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.content3h h3 {
    font-size: 1.3rem;
    color: #667eea;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
}

.content3h p {
    margin-bottom: 1.2rem;
    line-height: 1.9;
}

.content3h ul, .content3h ol {
    margin-left: 2rem;
    margin-bottom: 1.2rem;
}

.content3h li {
    margin-bottom: 0.8rem;
}

.content3h strong {
    color: #764ba2;
    font-weight: 600;
}

.tipbox1n {
    background: linear-gradient(135deg, #ffeef8, #f3e7f9);
    border-left: 4px solid #764ba2;
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 8px;
}

.tipbox1n h4 {
    color: #764ba2;
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.dlsection2v {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    margin: 3rem 0;
}

.dlsection2v h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.dlbtn4f {
    background: white;
    color: #764ba2;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.dlbtn4f:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.footer8p {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-top: 3rem;
}

.footer8p p {
    margin: 0.5rem 0;
}

.footer8p a {
    color: white;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .article8w {
        margin: 1rem;
        padding: 2rem 1.5rem;
    }

    .title9j {
        font-size: 1.8rem;
    }

    .meta6r {
        flex-direction: column;
        gap: 0.5rem;
    }

    .content3h h2 {
        font-size: 1.4rem;
    }
}