/* 학원 소개 섹션 */
        .about-section {
            padding: 180px 0;
            background: linear-gradient(180deg, #000 0%, #0a0a0a 50%, #000 100%);
            position: relative;
            overflow: hidden;
        }
        
        .about-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                /* 기하학적 다이아몬드 패턴 */
                radial-gradient(circle at 0% 0%, transparent 24%, rgba(91, 76, 255, 0.08) 25%, rgba(91, 76, 255, 0.08) 26%, transparent 27%),
                radial-gradient(circle at 100% 0%, transparent 24%, rgba(0, 212, 255, 0.08) 25%, rgba(0, 212, 255, 0.08) 26%, transparent 27%),
                radial-gradient(circle at 0% 100%, transparent 24%, rgba(0, 212, 255, 0.08) 25%, rgba(0, 212, 255, 0.08) 26%, transparent 27%),
                radial-gradient(circle at 100% 100%, transparent 24%, rgba(91, 76, 255, 0.08) 25%, rgba(91, 76, 255, 0.08) 26%, transparent 27%),
                /* 대각선 라인 패턴 */
                repeating-linear-gradient(
                    45deg,
                    transparent,
                    transparent 80px,
                    rgba(91, 76, 255, 0.04) 80px,
                    rgba(91, 76, 255, 0.04) 81px
                ),
                repeating-linear-gradient(
                    -45deg,
                    transparent,
                    transparent 80px,
                    rgba(0, 212, 255, 0.04) 80px,
                    rgba(0, 212, 255, 0.04) 81px
                );
            background-size: 200px 200px, 200px 200px, 200px 200px, 200px 200px, 160px 160px, 160px 160px;
        }
        
        .about-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                /* 삼각형 패턴 */
                linear-gradient(60deg, transparent 30%, rgba(91, 76, 255, 0.06) 30%, rgba(91, 76, 255, 0.06) 70%, transparent 70%),
                linear-gradient(120deg, transparent 30%, rgba(0, 212, 255, 0.06) 30%, rgba(0, 212, 255, 0.06) 70%, transparent 70%),
                linear-gradient(180deg, transparent 30%, rgba(91, 76, 255, 0.06) 30%, rgba(91, 76, 255, 0.06) 70%, transparent 70%);
            background-size: 300px 300px, 300px 300px, 300px 300px;
            background-position: 0 0, 150px 150px, 300px 0;
            animation: geometric-shift 30s ease-in-out infinite;
            pointer-events: none;
        }
        
        @keyframes geometric-shift {
            0%, 100% { 
                transform: translateX(0) translateY(0);
                opacity: 0.6;
            }
            25% {
                transform: translateX(50px) translateY(-25px);
                opacity: 0.4;
            }
            50% { 
                transform: translateX(-25px) translateY(50px);
                opacity: 0.8;
            }
            75% {
                transform: translateX(25px) translateY(-50px);
                opacity: 0.5;
            }
        }
        
        .section-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 60px;
            position: relative;
            z-index: 2;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 100px;
            position: relative;
        }
        
        .section-title-wrapper {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 25px;
            margin-bottom: 25px;
            width: 100%;
        }
        
        .section-badge {
            display: inline-flex;
            align-items: center;
            padding: 10px 25px;
            background: linear-gradient(135deg, rgba(91, 76, 255, 0.25) 0%, rgba(91, 76, 255, 0.15) 100%);
            border: 1px solid rgba(91, 76, 255, 0.3);
            border-radius: 30px;
            color: #8b80ff;
            font-size: 0.9rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            position: relative;
            overflow: hidden;
            animation: badge-float 3s ease-in-out infinite;
            flex-shrink: 0;
            white-space: nowrap;
            margin: 0;
        }
        
        @keyframes badge-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-3px); }
        }
        
        .section-badge::after {
            content: '';
            position: absolute;
            top: 50%;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transform: translateY(-50%);
            animation: badge-shine 3s ease-in-out infinite;
        }
        
        @keyframes badge-shine {
            0% { left: -100%; }
            50%, 100% { left: 100%; }
        }
        
        .section-title {
            font-size: 4rem;
            font-weight: 900;
            color: #fff;
            margin: 0;
            letter-spacing: -0.02em;
            line-height: 1.2;
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 15px;
            white-space: nowrap;
            cursor: pointer;
            transition: all 0.3s ease;
            padding: 20px 40px;
            border-radius: 20px;
            background: 
                linear-gradient(135deg, rgba(91, 76, 255, 0.2) 0%, rgba(0, 212, 255, 0.1) 100%),
                linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.05) 50%, transparent 70%);
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 
                0 20px 40px rgba(91, 76, 255, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.2),
                0 0 0 1px rgba(91, 76, 255, 0.3);
            backdrop-filter: blur(20px);
        }
        
        .section-title:hover {
            background: linear-gradient(135deg, rgba(91, 76, 255, 0.2) 0%, rgba(0, 212, 255, 0.1) 100%);
            border-color: rgba(91, 76, 255, 0.4);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(91, 76, 255, 0.3);
        }
        
        .section-title::before {
            content: '🔊';
            font-size: 1.5rem;
            filter: grayscale(1);
            opacity: 0.6;
            transition: all 0.3s ease;
        }
        
        .section-title:hover::before {
            filter: grayscale(0);
            opacity: 1;
            animation: speaker-pulse 1s ease-in-out infinite;
        }
        
        @keyframes speaker-pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.2); }
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, transparent, #5b4cff, #00d4ff, transparent);
            border-radius: 2px;
            animation: title-underline 3s ease-in-out infinite;
            display: none;
        }
        
        @keyframes title-underline {
            0%, 100% { width: 100px; opacity: 0.8; }
            50% { width: 150px; opacity: 1; }
        }
        
        .section-subtitle {
            font-size: 1.4rem;
            color: rgba(255, 255, 255, 0.6);
            max-width: 800px;
            margin: 30px auto 0;
            line-height: 1.8;
        }
        
        /* 새로운 About 콘텐츠 레이아웃 */
        .about-content-new {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 40px;
        }
        
        .about-header {
            text-align: center;
            margin-bottom: 80px;
        }
        
        .about-header h3 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 30px;
            line-height: 1.3;
            background: linear-gradient(135deg, #fff 0%, #8b80ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .about-subtitle {
            font-size: 1.3rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            max-width: 800px;
            margin: 0 auto;
        }
        
        /* 특징 설명 텍스트 섹션 */
        .features-descriptions {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            margin: 60px 0;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .feature-description {
            display: flex;
            align-items: flex-start;
            gap: 30px;
            padding: 40px;
            background: 
                linear-gradient(135deg, rgba(15, 15, 22, 0.85) 0%, rgba(8, 8, 15, 0.92) 100%),
                repeating-linear-gradient(
                    45deg,
                    transparent,
                    transparent 40px,
                    rgba(91, 76, 255, 0.06) 40px,
                    rgba(91, 76, 255, 0.06) 41px
                );
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            position: relative;
            overflow: hidden;
            transition: all 0.4s ease;
        }
        
        .feature-description::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                conic-gradient(from 0deg at 50% 50%, 
                    rgba(91, 76, 255, 0.15) 0deg, 
                    transparent 60deg, 
                    rgba(0, 212, 255, 0.12) 120deg, 
                    transparent 180deg);
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        
        .feature-description:hover::before {
            opacity: 1;
        }
        
        .feature-description:hover {
            transform: translateX(10px);
            border-color: rgba(91, 76, 255, 0.25);
            background: 
                linear-gradient(135deg, rgba(18, 18, 25, 0.92) 0%, rgba(12, 12, 18, 0.96) 100%),
                repeating-linear-gradient(
                    45deg,
                    transparent,
                    transparent 40px,
                    rgba(91, 76, 255, 0.08) 40px,
                    rgba(91, 76, 255, 0.08) 41px
                );
        }
        
        .description-number {
            width: 80px;
            height: 80px;
            background: 
                linear-gradient(135deg, rgba(25, 25, 35, 0.92) 0%, rgba(15, 15, 25, 0.96) 100%),
                radial-gradient(circle at 30% 30%, rgba(91, 76, 255, 0.25) 0%, transparent 70%);
            border: 2px solid rgba(91, 76, 255, 0.4);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 900;
            color: #fff;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        
        .description-number::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 0deg, transparent, rgba(91, 76, 255, 0.4), transparent);
            animation: number-rotate 4s linear infinite;
        }
        
        .description-content {
            flex: 1;
        }
        
        .description-content h4 {
            font-size: 1.6rem;
            color: #fff;
            font-weight: 700;
            margin: 0 0 15px 0;
            background: linear-gradient(135deg, #fff 0%, #8b80ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .description-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin: 0;
        }
        
        .about-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
            margin-bottom: 80px;
        }
        
        .feature-card {
            background: 
                linear-gradient(135deg, rgba(5, 5, 10, 0.95) 0%, rgba(0, 0, 5, 0.98) 100%),
                repeating-linear-gradient(
                    90deg,
                    transparent,
                    transparent 50px,
                    rgba(91, 76, 255, 0.02) 50px,
                    rgba(91, 76, 255, 0.02) 51px
                );
            border: 1px solid rgba(255, 255, 255, 0.03);
            border-radius: 20px;
            padding: 35px;
            position: relative;
            overflow: hidden;
            transition: all 0.5s cubic-bezier(0.23, 1, 0.320, 1);
            backdrop-filter: blur(15px);
            box-shadow: 
                0 10px 30px rgba(0, 0, 0, 0.6),
                inset 0 1px 0 rgba(255, 255, 255, 0.02);
        }
        
        .feature-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: 
                radial-gradient(circle at center, rgba(91, 76, 255, 0.08) 0%, transparent 60%),
                conic-gradient(from 0deg at 50% 50%, 
                    rgba(91, 76, 255, 0.05) 0deg, 
                    transparent 60deg, 
                    rgba(0, 212, 255, 0.05) 120deg, 
                    transparent 180deg);
            opacity: 0;
            transition: all 0.6s ease;
            animation: card-shimmer 12s ease-in-out infinite;
        }
        
        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.1) 50%, transparent 60%);
            opacity: 0;
            transform: translateX(-100%);
            transition: all 0.8s ease;
        }
        
        .feature-card:hover::before {
            opacity: 1;
            transform: rotate(10deg) scale(1.1);
        }
        
        .feature-card:hover::after {
            opacity: 1;
            transform: translateX(100%);
        }
        
        .feature-card:hover {
            transform: translateY(-8px) scale(1.01);
            border-color: rgba(91, 76, 255, 0.2);
            background: 
                linear-gradient(135deg, rgba(10, 10, 15, 0.98) 0%, rgba(5, 5, 10, 0.99) 100%),
                repeating-linear-gradient(
                    90deg,
                    transparent,
                    transparent 50px,
                    rgba(91, 76, 255, 0.04) 50px,
                    rgba(91, 76, 255, 0.04) 51px
                );
            box-shadow: 
                0 20px 50px rgba(91, 76, 255, 0.15),
                0 5px 20px rgba(0, 212, 255, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.05),
                0 0 0 1px rgba(91, 76, 255, 0.2);
        }
        
        @keyframes card-shimmer {
            0%, 100% { transform: rotate(0deg) scale(1); opacity: 0; }
            50% { transform: rotate(5deg) scale(1.05); opacity: 0.3; }
        }
        
        .feature-header {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 25px;
            position: relative;
            z-index: 2;
        }
        
        .feature-number {
            width: 60px;
            height: 60px;
            background: 
                linear-gradient(135deg, rgba(91, 76, 255, 0.3) 0%, rgba(0, 212, 255, 0.2) 100%),
                radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
            border: 1px solid rgba(91, 76, 255, 0.3);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.9);
            flex-shrink: 0;
            box-shadow: 
                0 8px 20px rgba(91, 76, 255, 0.2),
                inset 0 1px 2px rgba(255, 255, 255, 0.1);
            position: relative;
            overflow: hidden;
        }
        
        .feature-number::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            animation: number-rotate 3s linear infinite;
        }
        
        @keyframes number-rotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .feature-title {
            font-size: 1.3rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 600;
            margin: 0;
        }
        
        .feature-content {
            position: relative;
            z-index: 2;
        }
        
        .feature-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 15px;
        }
        
        .feature-details {
            list-style: none;
            padding: 0;
            margin-top: 25px;
        }
        
        .feature-details li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }
        
        .feature-details li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: #00d4ff;
            font-weight: bold;
            font-size: 1.1rem;
        }
        
        .about-summary {
            background: 
                linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%),
                radial-gradient(ellipse at top, rgba(91, 76, 255, 0.1) 0%, transparent 70%),
                radial-gradient(ellipse at bottom, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-radius: 32px;
            padding: 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(30px);
            box-shadow: 
                0 30px 80px rgba(0, 0, 0, 0.3),
                inset 0 2px 4px rgba(255, 255, 255, 0.2),
                0 0 0 1px rgba(91, 76, 255, 0.2);
        }
        
        .about-summary::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: 
                conic-gradient(from 0deg at 50% 50%, 
                    rgba(91, 76, 255, 0.2) 0deg, 
                    transparent 60deg, 
                    rgba(0, 212, 255, 0.2) 120deg, 
                    transparent 180deg, 
                    rgba(91, 76, 255, 0.2) 240deg, 
                    transparent 300deg, 
                    rgba(0, 212, 255, 0.2) 360deg);
            animation: summary-rotate 12s linear infinite;
            opacity: 0.3;
        }
        
        .about-summary::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                repeating-linear-gradient(
                    45deg,
                    transparent,
                    transparent 50px,
                    rgba(255, 255, 255, 0.02) 50px,
                    rgba(255, 255, 255, 0.02) 51px
                );
        }
        
        @keyframes summary-rotate {
            0% { transform: rotate(0deg) scale(1); }
            100% { transform: rotate(360deg) scale(1.1); }
        }
        
        .about-summary p {
            font-size: 1.25rem;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.8;
            margin-bottom: 30px;
            position: relative;
            z-index: 2;
        }
        
        .summary-highlight {
            position: relative;
            z-index: 2;
        }
        
        .summary-highlight span {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #5b4cff 0%, #00d4ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
        }
        
        .summary-highlight span::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, #5b4cff 0%, #00d4ff 100%);
            border-radius: 2px;
        }
        
        /* 반응형 디자인 */
        @media (max-width: 768px) {
            .about-content-new {
                padding: 0 20px;
            }
            
            .about-header h3 {
                font-size: 2.5rem;
            }
            
            .about-subtitle {
                font-size: 1.1rem;
            }
            
            .features-descriptions {
                gap: 30px;
                margin: 40px 0;
            }
            
            .feature-description {
                flex-direction: column;
                gap: 20px;
                padding: 30px;
            }
            
            .description-number {
                width: 60px;
                height: 60px;
                font-size: 1.2rem;
            }
            
            .description-content h4 {
                font-size: 1.4rem;
            }
            
            .description-content p {
                font-size: 1rem;
            }
            
            .about-features-grid {
                grid-template-columns: 1fr;
                gap: 25px;
            }
            
            .feature-card {
                padding: 25px;
            }
            
            .feature-number {
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }
            
            .feature-title {
                font-size: 1.1rem;
            }
            
            .about-summary {
                padding: 30px;
            }
            
            .summary-highlight span {
                font-size: 1.5rem;
            }
        }

        /* ===== KTM 집중 지도 시스템 콜아웃 ===== */
        .ktm-focus-callout .summary-highlight {
            margin-bottom: 18px;
        }
        .ktm-focus-callout p {
            margin-bottom: 34px;
        }
        .ktm-focus-callout p strong {
            color: #fff;
            font-weight: 700;
        }
        .ktm-focus-cta {
            position: relative;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, #5b4cff 0%, #00d4ff 100%);
            border: none;
            border-radius: 60px;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.3s ease;
            box-shadow: 0 10px 30px rgba(91, 76, 255, 0.35);
        }
        .ktm-focus-cta span {
            transition: transform 0.25s ease;
        }
        .ktm-focus-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 40px rgba(0, 212, 255, 0.45);
        }
        .ktm-focus-cta:hover span {
            transform: translateX(5px);
        }
        body.light-mode .ktm-focus-callout p strong {
            color: #1a1a1a;
        }
        /* 라이트모드: .about-section * 의 강제 다크색을 이기고 버튼 흰 글자 유지 */
        body.light-mode .about-summary .ktm-focus-cta {
            color: #fff !important;
        }