/* CSS reset & variables */
        :root {
            --primary: #7C3AED;
            --primary-hover: #6D28D9;
            --secondary: #EC4899;
            --accent: #8B5CF6;
            --dark: #1F2937;
            --light-bg: #FAF9FF;
            --card-bg: #FFFFFF;
            --border-color: #E9E3FF;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-family);
            background-color: var(--light-bg);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover {
            color: var(--primary-hover);
        }

        /* Common Container */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 700;
            color: #0F172A;
            line-height: 1.3;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
            font-size: 2.2rem;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 15px auto 0;
            border-radius: 2px;
        }

        .section-subtitle {
            text-align: center;
            color: #6B7280;
            margin-top: -40px;
            margin-bottom: 50px;
            font-size: 1.1rem;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--primary-hover), var(--primary));
            transform: translateY(-2px);
            color: #FFFFFF;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* Header Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(124, 58, 237, 0.05);
            backdrop-filter: blur(8px);
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 20px;
            align-items: center;
        }

        nav ul li a {
            color: #4B5563;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.2s;
        }

        nav ul li a:hover {
            color: var(--primary);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .nav-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            margin: 5px 0;
            transition: 0.3s;
        }

        /* Hero (No images allowed) */
        .hero {
            background: linear-gradient(135deg, #1E1B4B 0%, #311042 50%, #111827 100%);
            color: #FFFFFF;
            padding: 100px 0 120px;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-bottom: none;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 60%);
            animation: rotateBg 20s linear infinite;
            pointer-events: none;
        }

        @keyframes rotateBg {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .hero-badge {
            display: inline-block;
            background: rgba(236, 72, 153, 0.15);
            border: 1px solid rgba(236, 72, 153, 0.3);
            color: var(--secondary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 25px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .hero h1 {
            color: #FFFFFF;
            font-size: 3rem;
            max-width: 800px;
            margin: 0 auto 20px;
            line-height: 1.25;
            background: linear-gradient(to right, #FFFFFF, #E9D5FF, #F472B6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 1.2rem;
            color: #C084FC;
            max-width: 650px;
            margin: 0 auto 35px;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .hero-metrics {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 60px;
            flex-wrap: wrap;
        }

        .metric-item {
            text-align: center;
        }

        .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: #F472B6;
            line-height: 1;
        }

        .metric-label {
            font-size: 0.9rem;
            color: #9CA3AF;
            margin-top: 5px;
        }

        /* About Us Section */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        .about-card {
            background-color: var(--card-bg);
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(124, 58, 237, 0.04);
            border: 1px solid var(--border-color);
        }

        .about-tag {
            color: var(--primary);
            font-weight: bold;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 10px;
            display: block;
        }

        .about-card h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

        .about-card p {
            color: #4B5563;
            margin-bottom: 20px;
            font-size: 1rem;
        }

        .about-bullets {
            list-style: none;
        }

        .about-bullets li {
            margin-bottom: 12px;
            position: relative;
            padding-left: 25px;
            font-weight: 500;
            color: #374151;
        }

        .about-bullets li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--secondary);
            font-weight: bold;
        }

        /* Service Cards Section */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .service-card {
            background-color: var(--card-bg);
            border-radius: 16px;
            padding: 35px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(124, 58, 237, 0.02);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity 0.3s;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(124, 58, 237, 0.08);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
        }

        .service-card p {
            color: #6B7280;
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-pill {
            background-color: #F5F3FF;
            color: var(--primary);
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 500;
        }

        /* Music Guide & Workflow Steps */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 25px;
            position: relative;
        }

        .step-card {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border-color);
            position: relative;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        .step-number {
            position: absolute;
            top: -20px;
            right: 20px;
            font-size: 4rem;
            font-weight: 900;
            color: rgba(124, 58, 237, 0.08);
            line-height: 1;
        }

        .step-card h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: var(--primary);
        }

        .step-card p {
            font-size: 0.9rem;
            color: #4B5563;
        }

        /* Solutions grid */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 30px;
        }

        .solution-card {
            background-color: #FFFFFF;
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
        }

        .solution-card:hover {
            border-color: var(--secondary);
            box-shadow: 0 8px 20px rgba(236, 72, 153, 0.05);
        }

        .solution-card h4 {
            color: var(--primary);
            margin-bottom: 12px;
            font-size: 1.15rem;
        }

        /* Networks Map */
        .network-box {
            background: #FFFFFF;
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .network-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .network-city {
            background: #FAF5FF;
            padding: 15px;
            border-radius: 8px;
            font-weight: 600;
            color: var(--primary);
            border: 1px dashed var(--border-color);
        }

        /* Technical standards / workflow details */
        .spec-table-wrapper {
            overflow-x: auto;
            background: #FFFFFF;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .spec-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .spec-table th, .spec-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .spec-table th {
            background-color: #FAF9FF;
            font-weight: 600;
            color: var(--primary);
        }

        .spec-table tr:last-child td {
            border-bottom: none;
        }

        /* Cases Section */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background-color: #FFFFFF;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            transition: transform 0.3s;
        }

        .case-card:hover {
            transform: translateY(-4px);
        }

        .case-img-container {
            width: 100%;
            max-height: 220px;
            overflow: hidden;
            display: flex;
            justify-content: center;
            align-items: center;
            background-color: #FAF9FF;
        }

        .case-img-container img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .case-body {
            padding: 25px;
        }

        .case-body h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .case-body p {
            color: #6B7280;
            font-size: 0.9rem;
        }

        /* Evaluation Section */
        .eval-box {
            background: linear-gradient(135deg, #FAF5FF 0%, #FFF1F2 100%);
            border-radius: 16px;
            padding: 50px;
            border: 1px solid var(--border-color);
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 40px;
            align-items: center;
        }

        .eval-score-card {
            background: #FFFFFF;
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 25px rgba(124, 58, 237, 0.05);
        }

        .eval-score-card .stars {
            color: #F59E0B;
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        .score-num {
            font-size: 4rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 5px;
        }

        .score-max {
            font-size: 1rem;
            color: #9CA3AF;
        }

        .eval-feature-list {
            list-style: none;
        }

        .eval-feature-list li {
            margin-bottom: 15px;
            padding-left: 30px;
            position: relative;
            font-size: 1.05rem;
            font-weight: 500;
        }

        .eval-feature-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--secondary);
            font-size: 1.2rem;
            font-weight: bold;
        }

        /* Smart Matching Interactive Tool */
        .match-card {
            background: #FFFFFF;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            padding: 45px;
            max-width: 800px;
            margin: 0 auto;
        }

        .step-indicator {
            display: flex;
            justify-content: space-between;
            margin-bottom: 30px;
            position: relative;
        }

        .step-indicator::before {
            content: '';
            position: absolute;
            top: 15px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--border-color);
            z-index: 1;
        }

        .ind-dot {
            width: 32px;
            height: 32px;
            background-color: #FFFFFF;
            border: 2px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 0.85rem;
            color: #6B7280;
            z-index: 2;
            transition: all 0.3s;
        }

        .ind-dot.active {
            border-color: var(--primary);
            background-color: var(--primary);
            color: #FFFFFF;
        }

        .match-options-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-bottom: 35px;
        }

        .opt-btn {
            background-color: #FAF9FF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 15px;
            text-align: center;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.2s;
        }

        .opt-btn:hover, .opt-btn.selected {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
        }

        /* Token Rate Card */
        .token-card {
            background: #FFFFFF;
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--border-color);
        }

        /* Training section styling */
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .training-card {
            background: #FFFFFF;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.01);
        }

        .course-list {
            margin-top: 20px;
        }

        .course-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .course-item:last-child {
            border-bottom: none;
        }

        .course-badge {
            background-color: #FDF2F8;
            color: var(--secondary);
            font-size: 0.8rem;
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 600;
            white-space: nowrap;
        }

        .course-title {
            font-weight: 600;
        }

        /* FAQ Accordion */
        .faq-wrapper {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-header {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: #0F172A;
            transition: background-color 0.2s;
        }

        .faq-header:hover {
            background-color: #FAF9FF;
        }

        .faq-icon {
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform 0.3s;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: #FCFAFF;
        }

        .faq-content {
            padding: 20px 24px;
            color: #4B5563;
            font-size: 0.95rem;
            border-top: 1px solid var(--border-color);
        }

        .faq-item.active .faq-body {
            max-height: 250px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* Reviews Grid */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .review-card {
            background: #FFFFFF;
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 10px rgba(0,0,0,0.01);
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }

        .user-avatar {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .user-info h4 {
            font-size: 0.95rem;
            color: #0F172A;
        }

        .user-info span {
            font-size: 0.8rem;
            color: #6B7280;
        }

        .review-content {
            font-size: 0.9rem;
            color: #4B5563;
            line-height: 1.5;
        }

        /* Glossary Block */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .glossary-item {
            background-color: #FFFFFF;
            border-radius: 8px;
            padding: 20px;
            border: 1px solid var(--border-color);
        }

        .glossary-item dt {
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .glossary-item dd {
            color: #6B7280;
            font-size: 0.85rem;
        }

        /* Article Links List */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .article-card {
            background: #FFFFFF;
            border-radius: 8px;
            padding: 20px;
            border: 1px solid var(--border-color);
            transition: border-color 0.2s;
        }

        .article-card:hover {
            border-color: var(--primary);
        }

        .article-title {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .article-link {
            font-size: 0.85rem;
            color: var(--secondary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* Contact & Form Section */
        .contact-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
        }

        .form-card {
            background: #FFFFFF;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: 0 8px 30px rgba(124, 58, 237, 0.03);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #374151;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background-color: #FAF9FF;
            font-family: inherit;
            font-size: 0.95rem;
            transition: all 0.2s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
        }

        .contact-info-card {
            background: linear-gradient(135deg, #7C3AED 0%, #4C1D95 100%);
            color: #FFFFFF;
            border-radius: 16px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-meta h3 {
            color: #FFFFFF;
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

        .contact-details {
            list-style: none;
            margin-top: 30px;
        }

        .contact-details li {
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
            font-size: 1rem;
        }

        .qr-area {
            margin-top: 40px;
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 20px;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            padding: 20px;
            border-radius: 12px;
        }

        .qr-area img {
            width: 90px;
            height: 90px;
            border-radius: 8px;
            background: #FFFFFF;
            padding: 5px;
        }

        .qr-text h5 {
            color: #FFFFFF;
            font-size: 1rem;
            margin-bottom: 5px;
        }

        .qr-text p {
            font-size: 0.8rem;
            color: #E9D5FF;
        }

        /* Footer */
        footer {
            background-color: #111827;
            color: #9CA3AF;
            padding: 60px 0 30px;
            border-top: none;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            color: #FFFFFF;
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .footer-brand p {
            line-height: 1.6;
        }

        .footer-links h5 {
            color: #FFFFFF;
            margin-bottom: 15px;
            font-size: 1rem;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links ul li {
            margin-bottom: 10px;
        }

        .footer-links ul li a {
            color: #9CA3AF;
            transition: color 0.2s;
        }

        .footer-links ul li a:hover {
            color: var(--secondary);
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 15px;
        }

        .friend-links a {
            color: #9CA3AF;
            font-size: 0.85rem;
        }

        .friend-links a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            border-top: 1px solid #1F2937;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* Sticky Service Button */
        .sticky-customer-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            color: #FFFFFF;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
            cursor: pointer;
            transition: transform 0.3s;
        }

        .sticky-customer-service:hover {
            transform: scale(1.1);
        }

        .sticky-panel {
            position: fixed;
            bottom: 100px;
            right: 30px;
            width: 280px;
            background: #FFFFFF;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            border: 1px solid var(--border-color);
            padding: 20px;
            display: none;
            z-index: 1000;
            animation: slideIn 0.3s forwards;
        }

        @keyframes slideIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .sticky-panel-header {
            font-weight: 700;
            color: var(--primary);
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 10px;
            margin-bottom: 15px;
            text-align: center;
        }

        .sticky-panel-qr {
            text-align: center;
        }

        .sticky-panel-qr img {
            width: 140px;
            height: 140px;
            border: 1px solid var(--border-color);
            padding: 5px;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .sticky-panel-qr p {
            font-size: 0.8rem;
            color: #6B7280;
        }

        /* Responsive Breakpoints */
        @media (max-width: 992px) {
            .about-grid, .contact-layout, .training-grid {
                grid-template-columns: 1fr;
            }

            .eval-box {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .hero h1 {
                font-size: 2.3rem;
            }
        }

        @media (max-width: 768px) {
            nav {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #FFFFFF;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
                padding: 20px;
                border-top: 1px solid var(--border-color);
            }

            nav.open {
                display: block;
            }

            nav ul {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }

            .nav-toggle {
                display: block;
            }

            .hero {
                padding: 60px 0 80px;
            }

            .hero h1 {
                font-size: 1.8rem;
            }
        }