body {
    font-family: 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
    line-height: 1.7;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff9f9;
}
h1 {
    color: #e74c65;
    font-size: 2.2em;
    text-align: center;
    border-bottom: 2px solid #ffcad4;
    padding-bottom: 15px;
    margin-bottom: 25px;
}
h2 {
    color: #2d4059;
    font-size: 1.6em;
    margin-top: 35px;
    border-left: 4px solid #e74c65;
    padding-left: 10px;
}
h3 {
    color: #ea5455;
    font-size: 1.3em;
    margin-top: 25px;
}
.intro-box {
    background-color: #fff0f3;
    border-radius: 8px;
    padding: 20px;
    margin: 25px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
ul {
    padding-left: 25px;
}
li {
    margin-bottom: 10px;
    position: relative;
}
li:before {
    content: "•";
    color: #e74c65;
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}
.tip-box {
    background-color: #e8f4f8;
    padding: 15px 20px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid #3a86ff;
}
.warning-box {
    background-color: #fdecea;
    padding: 15px 20px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid #e74c3c;
}
.cta-box {
    background: linear-gradient(135deg, #e74c65, #ff7b8d);
    color: white;
    text-align: center;
    padding: 20px;
    border-radius: 8px;
    font-weight: bold;
    margin: 30px 0;
    box-shadow: 0 4px 8px rgba(231, 76, 101, 0.2);
}
.emoji {
    font-size: 1.2em;
    margin-right: 5px;
    vertical-align: middle;
}
.highlight {
    background-color: #fff3cd;
    padding: 2px 5px;
    border-radius: 3px;
}
.platform-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 20px 0;
}
.platform-card {
    background: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
@media (max-width: 600px) {
    .platform-list {
        grid-template-columns: 1fr;
    }
}