/* Support Hero Section */
    .support-hero {
        background: linear-gradient(135deg, #1e4cae 0%, #4a6ecf 100%);
        padding: 100px 0;
        position: relative;
        overflow: hidden;
    }
    
    .support-hero:before {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100px;
        background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB2aWV3Qm94PSIwIDAgMTQ0MCAxMDAlIiBwcmVzZXJ2ZUFzcGVjdFJhdGlvPSJub25lIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxwYXRoIGQ9Ik0wIDB2MTAwYzE0NCAwIDQzMi00NSA3MjAtNDUgMjg4IDAgNTc2IDQ1IDcyMCA0NVYweiIgZmlsbD0iI2ZmZmZmZiIvPjwvc3ZnPg==');
        background-size: 100% 100px;
        background-position: bottom;
        background-repeat: no-repeat;
        opacity: 0.3;
    }
    
    .support-hero-content {
        position: relative;
        z-index: 1;
    }
    
    /* Contact Form */
    .contact-form-section {
        position: relative;
        margin-top: -50px;
        z-index: 5;
        padding-top: 70px;
    }
    
    .contact-form-card {
        border-radius: 15px;
        overflow: hidden;
        box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    }
    
    .form-label {
        font-weight: 500;
        margin-bottom: 8px;
    }
    
    .form-control {
        padding: 12px 15px;
        border-radius: 8px;
        border: 1px solid #e0e0e0;
        font-size: 15px;
    }
    
    .form-control:focus {
        box-shadow: 0 0 0 3px rgba(30, 76, 174, 0.1);
        border-color: var(--primary-color);
    }
    
    .form-select {
        padding: 12px 15px;
        border-radius: 8px;
        border: 1px solid #e0e0e0;
        font-size: 15px;
        background-position: right 15px center;
    }
    
    .form-check-input:checked {
        background-color: var(--primary-color);
        border-color: var(--primary-color);
    }
    
    /* FAQ Accordion */
    .faq-section {
        background-color: #f9f9f9;
    }
    
    .accordion-item {
        border: none;
        margin-bottom: 15px;
        border-radius: 10px !important;
        overflow: hidden;
        box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    }
    
    .accordion-button {
        padding: 20px 25px;
        font-weight: 600;
        font-size: 1.1rem;
        color: var(--dark-color);
        background-color: white;
    }
    
    .accordion-button:not(.collapsed) {
        color: var(--primary-color);
        background-color: rgba(30, 76, 174, 0.05);
    }
    
    .accordion-button:focus {
        box-shadow: none;
        border-color: rgba(30, 76, 174, 0.1);
    }
    
    .accordion-button:not(.collapsed)::after {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231e4cae'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    }
    
    .accordion-body {
        padding: 20px 25px;
        background-color: white;
    }
    
    /* Support Info Cards */
    .support-card {
        padding: 40px 30px;
        text-align: center;
        border-radius: 15px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        transition: all 0.3s ease;
        height: 100%;
        background-color: white;
    }
    
    .support-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    }
    
    .support-icon {
        width: 80px;
        height: 80px;
        line-height: 80px;
        border-radius: 50%;
        margin: 0 auto 25px;
        background-color: rgba(30, 76, 174, 0.1);
        color: var(--primary-color);
        font-size: 2.2rem;
        transition: all 0.3s ease;
    }
    
    .support-card:hover .support-icon {
        background-color: var(--primary-color);
        color: white;
        transform: rotateY(180deg);
    }
    
    /* CKEditor 스타일 커스터마이징 */
    .cke_chrome {
        border: 1px solid #e0e0e0 !important;
        border-radius: 8px !important;
        box-shadow: none !important;
    }
    
    .cke_top {
        background: #f8f9fa !important;
        border-bottom: 1px solid #e9ecef !important;
        border-radius: 8px 8px 0 0 !important;
    }
    
    .cke_bottom {
        background: #f8f9fa !important;
        border-top: 1px solid #e9ecef !important;
        border-radius: 0 0 8px 8px !important;
    }
    
    .cke_toolbar {
        margin: 5px !important;
    }
    
    /* 에디터 버튼 스타일 */
    .cke_button {
        border-radius: 4px !important;
    }
    
    .cke_button:hover {
        background-color: #e9ecef !important;
    }
    
    /* 에디터 콘텐츠 영역 */
    .cke_contents {
        border-top: 1px solid #e9ecef !important;
        border-bottom: 1px solid #e9ecef !important;
    }
    
    /* 첨부 파일 스타일 */
    .custom-file-upload {
        display: inline-block;
        padding: 10px 15px;
        cursor: pointer;
        background-color: #f8f9fa;
        border: 1px solid #ddd;
        border-radius: 5px;
        transition: all 0.3s;
    }
    
    .custom-file-upload:hover {
        background-color: #e9ecef;
    }
    
    .file-preview {
        display: flex;
        flex-wrap: wrap;
        margin-top: 10px;
    }
    
    .file-item {
        display: flex;
        align-items: center;
        margin-right: 10px;
        margin-bottom: 10px;
        padding: 5px 10px;
        background-color: #f1f1f1;
        border-radius: 4px;
    }
    
    .file-item .file-name {
        margin-right: 5px;
        max-width: 150px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .file-item .remove-file {
        color: #dc3545;
        cursor: pointer;
        font-size: 14px;
    }