.guide_container {
        opacity: 0;
        animation: fadeIn 0.3s ease forwards;
        max-width: 900px;
        margin: 0 auto;
        padding: 40px 20px;
        margin-top: 80px;
    }

    @keyframes fadeIn {
        to { opacity: 1; }
    }

    /* 중요한 스타일만 먼저 로드 */
    .guide_title {
        font-size: 42px;
        font-weight: 700;
        color: #2c3e50;
        text-align: center;
        margin-bottom: 60px;
    }

    .guide_section {
        margin-bottom: 70px;
        background: #fff;
        border-radius: 20px;
        padding: 40px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    }

    @media (max-width: 768px) {
        .guide_container {
            margin-top: 120px;
            padding: 20px;
        }
        .guide_title {
            font-size: 28px;
        }
        .guide_section {
            padding: 25px;
        }
    }


    .guide_container {
        max-width: 900px;
        margin: 0 auto;
        padding: 40px 20px;
        margin-top: 80px;
    }

    .guide_title {
        font-size: 42px;
        font-weight: 700;
        color: #2c3e50;
        text-align: center;
        margin-bottom: 60px;
        position: relative;
        padding-bottom: 20px;
    }

    .guide_title:after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 60px;
        height: 3px;
        background: linear-gradient(to right, #3498db, #2980b9);
        border-radius: 2px;
    }

    .guide_section {
        margin-bottom: 70px;
        background: #fff;
        border-radius: 20px;
        padding: 40px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        border: 1px solid rgba(0,0,0,0.05);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .guide_section:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    }

    .guide_section h2 {
        font-size: 32px;
        color: #2c3e50;
        margin-bottom: 30px;
        padding-bottom: 20px;
        border-bottom: 2px solid #f0f0f0;
        line-height: 1.4;
        display: flex;
        align-items: center;
        gap: 15px;
    }

    .guide_section h2::before {
        content: attr(data-number);
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        color: #fff;
        border-radius: 50%;
        font-size: 20px;
        font-weight: 600;
    }

    .guide_content {
        color: #444;
        line-height: 1.8;
    }

    .guide_content p {
        font-size: 18px;
        line-height: 1.8;
        margin-bottom: 1.5em;
        color: #444;
    }

    .guide_description {
        font-size: 20px;
        line-height: 1.8;
        margin-bottom: 2em;
        color: #666;
        padding: 20px;
        background: #f8f9fa;
        border-radius: 12px;
        border-left: 4px solid #3498db;
    }

    .notice_box {
        background: #f8f9fa;
        border-radius: 15px;
        padding: 30px;
        margin: 30px 0;
        border: 1px solid rgba(0,0,0,0.05);
    }

    .notice_box h3 {
        font-size: 24px;
        font-weight: 600;
        color: #2c3e50;
        margin-bottom: 25px;
        line-height: 1.4;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .notice_box h3::before {
        content: '\f05a';
        font-family: 'Font Awesome 5 Free';
        font-weight: 900;
        color: #3498db;
    }

    .notice_box ul, .notice_box ol {
        padding-left: 25px;
        margin-bottom: 25px;
    }

    .notice_box li {
        margin-bottom: 15px;
        font-size: 17px;
        line-height: 1.7;
        position: relative;
        padding-left: 5px;
    }

    .notice_box ul li::marker {
        color: #3498db;
    }

    .cost_info, .environment_info {
        background: #fff;
        border-left: 4px solid #3498db;
        padding: 25px;
        margin: 25px 0;
        border-radius: 0 15px 15px 0;
        box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    }

    .cost_info h4, .environment_info h4 {
        color: #2c3e50;
        font-size: 20px;
        margin-bottom: 20px;
        line-height: 1.4;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .cost_info h4::before {
        content: '\f155';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        color: #3498db;
    }

    .environment_info h4::before {
        content: '\f1b2';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        color: #3498db;
    }

    .cost_info ul li, .environment_info ul li {
        font-size: 17px;
        line-height: 1.7;
        margin-bottom: 12px;
        color: #444;
    }

    .important_notice {
        background: #fff3cd;
        border-radius: 15px;
        padding: 25px;
        margin-top: 30px;
        border: 1px solid #ffeeba;
    }

    .important_notice p {
        font-size: 18px;
        line-height: 1.8;
        margin-bottom: 1.2em;
        color: #856404;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .important_notice p::before {
        content: '\f071';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
    }

    .important_notice strong {
        color: #856404;
        font-weight: 600;
    }

    .important_notice ol {
        color: #856404;
    }

    .important_notice ol li {
        font-size: 17px;
        line-height: 1.7;
        margin-bottom: 12px;
        color: #856404;
    }

    .guide_link {
        margin-top: 30px;
        text-align: center;
    }

    .link_button {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        background: linear-gradient(135deg, #3498db, #2980b9);
        color: #fff;
        padding: 18px 35px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: 500;
        font-size: 17px;
        transition: all 0.3s ease;
        box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
    }

    .link_button:hover {
        background: linear-gradient(135deg, #2980b9, #3498db);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(52, 152, 219, 0.4);
    }

    .link_button i {
        font-size: 18px;
    }

    .help_box {
        background: #f8f9fa;
        border-radius: 15px;
        padding: 25px;
        margin: 20px 0;
        border-left: 4px solid #3498db;
    }

    .help_box ul {
        list-style: none;
        padding: 0;
    }

    .help_box li {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 15px;
        font-size: 17px;
        line-height: 1.6;
        color: #444;
    }

    .help_box i {
        color: #3498db;
        font-size: 18px;
        flex-shrink: 0;
    }

    @media (max-width: 768px) {
        .guide_container {
            margin-top: 120px;
            padding: 20px;
        }

        .guide_title {
            font-size: 28px;
            margin-bottom: 40px;
        }

        .guide_section {
            padding: 25px;
            margin-bottom: 30px;
        }

        .guide_section h2 {
            font-size: 22px;
            padding-bottom: 15px;
            margin-bottom: 20px;
            gap: 10px;
        }

        .guide_section h2::before {
            width: 32px;
            height: 32px;
            font-size: 16px;
        }

        .guide_description {
            font-size: 16px;
            padding: 15px;
            margin-bottom: 1.5em;
        }

        .notice_box {
            padding: 20px;
            margin: 20px 0;
        }

        .notice_box h3 {
            font-size: 18px;
            margin-bottom: 15px;
        }

        .notice_box li {
            font-size: 15px;
            margin-bottom: 12px;
        }

        .help_box {
            padding: 20px;
        }

        .help_box li {
            font-size: 15px;
            margin-bottom: 12px;
        }

        .cost_info, .environment_info {
            padding: 20px;
            margin: 20px 0;
        }

        .guide_link .link_button {
            width: 100%;
            text-align: center;
            justify-content: center;
        }
    }