:root {
            --primary-blue: #229AF4;
            --primary-purple: #7C3AED;
            --gradient-1: linear-gradient(135deg, #898EFF 0%, #5E7DF9 100%);
            --gradient-2: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --gradient-3: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            --dark-bg: #0F1629;
            --card-bg: #1A2332;
            --card-bg-light: #ffffff;
            --text-primary: #ffffff;
            --text-secondary: #6D7B96;
            --text-dark: #233863;
            --text-dark-secondary: #6D7B96;
            --text-body: #4A4A4A;
            --accent-cyan: #06B6D4;
            --accent-green: #10B981;
            --accent-orange: #F59E0B;
            --section-light: #F5F7FA;
            --border-light: #E2E8F0;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: var(--text-body);
            overflow-x: hidden;
            background: #ffffff;
        }

        /* Low-Poly Grid Background */
        .grid-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
            opacity: 0.03;
            background-image:
                linear-gradient(30deg, var(--primary-blue) 12%, transparent 12.5%, transparent 87%, var(--primary-blue) 87.5%, var(--primary-blue)),
                linear-gradient(150deg, var(--primary-blue) 12%, transparent 12.5%, transparent 87%, var(--primary-blue) 87.5%, var(--primary-blue)),
                linear-gradient(30deg, var(--primary-blue) 12%, transparent 12.5%, transparent 87%, var(--primary-blue) 87.5%, var(--primary-blue)),
                linear-gradient(150deg, var(--primary-blue) 12%, transparent 12.5%, transparent 87%, var(--primary-blue) 87.5%, var(--primary-blue));
            background-size: 80px 140px;
            background-position: 0 0, 0 0, 40px 70px, 40px 70px;
        }

        .page-container {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

        /* Navigation - using official template, no custom styles needed */

        /* Hero Section */
        .hero {
            padding: 160px 0 100px;
            background: linear-gradient(180deg, #F0F4FF 0%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(74, 108, 247, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.06) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero .page-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(74, 108, 247, 0.08);
            border: 1px solid rgba(74, 108, 247, 0.2);
            border-radius: 50px;
            font-size: 13px;
            color: var(--primary-blue);
            font-weight: 500;
            margin-bottom: 24px;
        }

        .hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--primary-blue);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }

        .hero h1 {
            font-size: 56px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-dark);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero h1 span {
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 20px;
            color: var(--text-dark-secondary);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 520px;
            font-weight: 400;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 52px;
            padding: 0 32px;
            background: var(--gradient-1);
            color: #fff;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            box-shadow: 0 4px 15px rgba(137, 142, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(137, 142, 255, 0.45);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: #fff;
            color: var(--text-dark);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            border-color: var(--primary-blue);
            color: var(--primary-blue);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
        }

        /* Hero Visual - 2.5D Data Dashboard */
        .hero-visual {
            position: relative;
            z-index: 2;
        }

        .dashboard-card {
            background: #fff;
            border-radius: 20px;
            padding: 32px;
            box-shadow: 0 25px 60px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
            transform: perspective(1000px) rotateY(-5deg) rotateX(3deg);
            transition: transform 0.6s ease;
            position: relative;
        }

        .dashboard-card:hover {
            transform: perspective(1000px) rotateY(-2deg) rotateX(1deg);
        }

        .dashboard-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-light);
        }

        .dashboard-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }

        .dashboard-dot:nth-child(1) { background: #FF5F57; }
        .dashboard-dot:nth-child(2) { background: #FEBC2E; }
        .dashboard-dot:nth-child(3) { background: #28C840; }

        .dashboard-title {
            margin-left: auto;
            font-size: 13px;
            color: var(--text-dark-secondary);
        }

        .dashboard-metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-bottom: 24px;
        }

        .metric-item {
            background: linear-gradient(135deg, #F0F4FF 0%, #EDE9FE 100%);
            border-radius: 12px;
            padding: 16px;
            text-align: center;
        }

        .metric-value {
            font-size: 24px;
            font-weight: 800;
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .metric-label {
            font-size: 11px;
            color: var(--text-dark-secondary);
            margin-top: 4px;
        }

        .dashboard-chart {
            height: 120px;
            background: linear-gradient(180deg, rgba(74, 108, 247, 0.05) 0%, rgba(124, 58, 237, 0.02) 100%);
            border-radius: 12px;
            display: flex;
            align-items: flex-end;
            padding: 16px;
            gap: 8px;
        }

        .chart-bar {
            flex: 1;
            border-radius: 6px 6px 0 0;
            transition: height 0.6s ease;
            min-height: 20px;
        }

        .chart-bar:nth-child(odd) { background: var(--gradient-1); }
        .chart-bar:nth-child(even) { background: linear-gradient(180deg, #06B6D4 0%, #4A6CF7 100%); }

        /* Floating decorative elements */
        .float-element {
            position: absolute;
            border-radius: 12px;
            animation: float 6s ease-in-out infinite;
        }

        .float-1 {
            top: -20px;
            right: -30px;
            width: 60px;
            height: 60px;
            background: var(--gradient-1);
            opacity: 0.15;
            animation-delay: 0s;
        }

        .float-2 {
            bottom: -15px;
            left: -25px;
            width: 45px;
            height: 45px;
            background: var(--gradient-3);
            opacity: 0.12;
            animation-delay: 2s;
            border-radius: 50%;
        }

        .float-3 {
            top: 40%;
            right: -40px;
            width: 35px;
            height: 35px;
            background: var(--accent-cyan);
            opacity: 0.1;
            animation-delay: 4s;
            transform: rotate(45deg);
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-15px) rotate(5deg); }
        }

        /* Section Styles */
        .section {
            padding: 100px 0;
            position: relative;
        }

        .section-dark {
            background: var(--dark-bg);
            color: var(--text-primary);
        }

        .section-light {
            background: var(--section-light);
        }

        .section-header {
            text-align: center;
            max-width: 880px;
            margin: 0 auto 64px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(74, 108, 247, 0.08);
            border: 1px solid rgba(74, 108, 247, 0.15);
            border-radius: 50px;
            font-size: 13px;
            color: var(--primary-blue);
            font-weight: 500;
            margin-bottom: 16px;
        }

        .section-dark .section-tag {
            background: rgba(74, 108, 247, 0.15);
            border-color: rgba(74, 108, 247, 0.3);
        }

        .section-header h2 {
            font-size: 40px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
            color: var(--text-dark);
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header h2 span {
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-header p {
            font-size: 20px;
            color: var(--text-dark-secondary);
            line-height: 1.7;
            font-weight: 400;
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* Product Positioning */
        .positioning {
            padding: 80px 0;
        }

        .positioning-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .positioning-text h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

        .positioning-text h2 span {
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .positioning-text p {
            font-size: 15px;
            color: var(--text-dark-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .positioning-visual {
            position: relative;
        }

        .pos-card {
            background: linear-gradient(135deg, #4A6CF7 0%, #7C3AED 100%);
            border-radius: 24px;
            padding: 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .pos-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }

        .pos-card::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -20%;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
        }

        .pos-card-items {
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: relative;
            z-index: 1;
        }

        .pos-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            backdrop-filter: blur(10px);
        }

        .pos-item-icon {
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .pos-item-text {
            font-size: 14px;
            font-weight: 500;
            line-height: 1.5;
        }

        /* Advantages Grid */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .advantage-card {
            background: #fff;
            border-radius: 20px;
            padding: 32px;
            border: 1px solid var(--border-light);
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            position: relative;
            overflow: hidden;
        }

        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-1);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .advantage-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 50px rgba(74, 108, 247, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            border-color: transparent;
        }

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

        .advantage-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
            position: relative;
        }

        .advantage-icon.blue { background: linear-gradient(135deg, rgba(74, 108, 247, 0.12) 0%, rgba(74, 108, 247, 0.05) 100%); }
        .advantage-icon.purple { background: linear-gradient(135deg, rgba(124, 58, 237, 0.12) 0%, rgba(124, 58, 237, 0.05) 100%); }
        .advantage-icon.cyan { background: linear-gradient(135deg, rgba(6, 182, 212, 0.12) 0%, rgba(6, 182, 212, 0.05) 100%); }
        .advantage-icon.green { background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(16, 185, 129, 0.05) 100%); }
        .advantage-icon.orange { background: linear-gradient(135deg, rgba(245, 158, 11, 0.12) 0%, rgba(245, 158, 11, 0.05) 100%); }
        .advantage-icon.pink { background: linear-gradient(135deg, rgba(236, 72, 153, 0.12) 0%, rgba(236, 72, 153, 0.05) 100%); }

        .advantage-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .advantage-card p {
            font-size: 14px;
            color: var(--text-dark-secondary);
            line-height: 1.7;
        }

        /* Capabilities Section - Accordion on Gradient */
        #capabilities {
            background: linear-gradient(135deg, #898EFF 0%, #5E7DF9 100%);
            position: relative;
            overflow: hidden;
        }

        #capabilities::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -15%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            animation: capLight1 9s ease-in-out infinite;
        }

        #capabilities::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            animation: capLight2 11s ease-in-out infinite;
        }

        @keyframes capLight1 {
            0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
            50% { transform: translate(50px, 30px) scale(1.15); opacity: 1; }
        }

        @keyframes capLight2 {
            0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
            50% { transform: translate(-40px, -20px) scale(1.1); opacity: 0.9; }
        }

        #capabilities .section-header h2,
        #capabilities .section-header h2 span,
        #capabilities .section-header p {
            color: #fff;
            -webkit-text-fill-color: #fff;
        }

        #capabilities .section-tag {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }

        .capabilities-accordion {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            z-index: 1;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
        }

        .capability-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            overflow: hidden;
            transition: max-height 0.55s cubic-bezier(0.4, 0, 0.2, 1),
                        background 0.3s ease;
            position: relative;
            border-bottom: 1px solid rgba(137, 142, 255, 0.12);
            cursor: pointer;
        }

        .capability-card:last-child {
            border-bottom: none;
        }

        .capability-card.collapsed {
            max-height: 72px;
        }

        .capability-card.expanded {
            max-height: 500px;
            background: #fff;
        }

        .capability-card:hover {
            background: #fff;
        }

        /* Card Header - always visible */
        .capability-card-header {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 36px;
            position: relative;
            z-index: 2;
        }

        .capability-number {
            font-size: 15px;
            font-weight: 800;
            color: #fff;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--gradient-1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .capability-card-header h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0;
            flex: 1;
        }

        .capability-expand-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(137, 142, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 0.4s ease, background 0.3s ease;
        }

        .capability-card.expanded .capability-expand-icon {
            transform: rotate(180deg);
            background: rgba(137, 142, 255, 0.2);
        }

        .capability-expand-icon svg {
            width: 14px;
            height: 14px;
            color: #5E7DF9;
        }

        /* Card Body - expandable */
        .capability-card-body {
            padding: 0 36px;
            max-height: 0;
            opacity: 0;
            overflow: hidden;
            transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                        opacity 0.35s ease 0.1s,
                        padding 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .capability-card.expanded .capability-card-body {
            max-height: 400px;
            opacity: 1;
            padding: 0 36px 28px;
        }

        .capability-card-body-inner {
            opacity: 0;
            transform: translateY(10px);
            transition: none;
        }

        .capability-card.expanded .capability-card-body-inner {
            animation: capBodyFadeIn 0.4s ease 0.2s both;
        }

        @keyframes capBodyFadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .capability-desc {
            font-size: 14px;
            color: var(--text-dark-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
            padding-left: 52px;
        }

        .capability-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            padding-left: 52px;
        }

        .cap-feature {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 12px 16px;
            background: linear-gradient(135deg, rgba(137, 142, 255, 0.06) 0%, rgba(94, 125, 249, 0.04) 100%);
            border-radius: 12px;
            border: 1px solid rgba(137, 142, 255, 0.1);
        }

        .cap-feature-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #5E7DF9;
            margin-top: 6px;
            flex-shrink: 0;
        }

        .cap-feature span {
            font-size: 13px;
            color: var(--text-dark-secondary);
            line-height: 1.5;
        }

        /* Scenarios Section */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .scenario-card {
            background: #fff;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
        }

        .scenario-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 24px 60px rgba(74, 108, 247, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            border-color: rgba(74, 108, 247, 0.2);
        }

        .scenario-header {
            padding: 28px 28px 0;
        }

        .scenario-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .scenario-tag.blue { background: rgba(74, 108, 247, 0.1); color: var(--primary-blue); }
        .scenario-tag.purple { background: rgba(124, 58, 237, 0.1); color: var(--primary-purple); }
        .scenario-tag.cyan { background: rgba(6, 182, 212, 0.1); color: var(--accent-cyan); }
        .scenario-tag.green { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
        .scenario-tag.orange { background: rgba(245, 158, 11, 0.1); color: var(--accent-orange); }
        .scenario-tag.pink { background: rgba(236, 72, 153, 0.1); color: #EC4899; }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .scenario-body {
            padding: 0 28px 28px;
        }

        .scenario-section {
            margin-bottom: 16px;
        }

        .scenario-section-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .scenario-section-title::before {
            content: '';
            width: 4px;
            height: 4px;
            border-radius: 50%;
        }

        .scenario-section-title.pain::before { background: #EF4444; }
        .scenario-section-title.solution::before { background: var(--primary-blue); }
        .scenario-section-title.value::before { background: var(--accent-green); }

        .scenario-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .scenario-list li {
            font-size: 13px;
            color: var(--text-dark-secondary);
            padding-left: 16px;
            position: relative;
            line-height: 1.6;
        }

        .scenario-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--border-light);
        }

        .scenario-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: linear-gradient(135deg, rgba(74, 108, 247, 0.08) 0%, rgba(124, 58, 237, 0.08) 100%);
            color: var(--primary-blue);
            border-radius: 8px;
            font-size: 13px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            margin-top: 12px;
        }

        .scenario-cta:hover {
            background: var(--gradient-1);
            color: #fff;
            transform: translateX(4px);
        }

        /* Case Studies - Stacked Cards Accordion */
        .cases-container {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-radius: 24px;
            overflow: hidden;
        }

        .case-card {
            background: #fff;
            overflow: hidden;
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            transition: flex-grow 0.5s cubic-bezier(0.4, 0, 0.2, 1), background 0.4s ease;
            display: flex;
            flex-direction: column;
            min-height: 0;
        }

        .case-card:last-child {
            border-bottom: none;
        }

        /* Collapsed state */
        .case-card.collapsed {
            flex-grow: 0;
            cursor: pointer;
        }

        .case-card.collapsed .case-body {
            max-height: 0;
            opacity: 0;
            padding: 0 40px;
            overflow: hidden;
        }

        .case-card.collapsed .case-header {
            padding: 20px 40px;
        }

        .case-card.collapsed .case-header .case-title {
            font-size: 16px;
        }

        .case-card.collapsed .case-header .case-company {
            margin-bottom: 2px;
            font-size: 12px;
        }

        .case-card.collapsed .case-expand-hint {
            display: block;
        }

        /* Expanded state */
        .case-card.expanded {
            flex-grow: 1;
        }

        .case-card.expanded .case-body {
            max-height: 800px;
            opacity: 1;
            padding: 36px 40px;
        }

        .case-card.expanded .case-expand-hint {
            display: none;
        }

        .case-header {
            background: var(--gradient-1);
            padding: 28px 40px;
            position: relative;
            overflow: hidden;
            transition: padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .case-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }

        .case-header-text {
            position: relative;
            z-index: 1;
        }

        .case-company {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 6px;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .case-title {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            transition: font-size 0.4s ease;
        }

        .case-expand-hint {
            display: none;
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            white-space: nowrap;
            position: relative;
            z-index: 1;
            transition: opacity 0.3s ease;
        }

        .case-expand-hint svg {
            vertical-align: middle;
        }

        .case-body {
            overflow: hidden;
            transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                        opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s,
                        padding 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .case-body-inner {
            animation: none;
        }

        .case-card.expanded .case-body-inner {
            animation: caseContentFadeIn 0.5s ease 0.15s both;
        }

        @keyframes caseContentFadeIn {
            from {
                opacity: 0;
                transform: translateY(12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .case-section h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .case-section h4::before {
            content: '';
            width: 3px;
            height: 16px;
            background: var(--gradient-1);
            border-radius: 2px;
        }

        .case-section p, .case-section li {
            font-size: 14px;
            color: var(--text-dark-secondary);
            line-height: 1.7;
        }

        .case-section ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .case-section ul li {
            padding-left: 18px;
            position: relative;
        }

        .case-section ul li::before {
            content: '\2192';
            position: absolute;
            left: 0;
            color: var(--primary-blue);
            font-weight: 600;
        }

        .case-results {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }

        .case-result-item {
            text-align: center;
            padding: 16px;
            background: var(--section-light);
            border-radius: 12px;
        }

        .case-result-item .label {
            font-size: 12px;
            color: var(--text-dark-secondary);
            margin-bottom: 4px;
        }

        .case-result-item .value {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-blue);
        }

        /* Service Models */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 64px;
        }

        .service-card {
            background: #fff;
            border-radius: 20px;
            padding: 36px;
            border: 1px solid var(--border-light);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 50px rgba(74, 108, 247, 0.1);
            border-color: rgba(74, 108, 247, 0.2);
        }

        .service-step {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--gradient-1);
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .service-card .subtitle {
            font-size: 13px;
            color: var(--primary-blue);
            font-weight: 500;
            margin-bottom: 16px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-dark-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .service-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .service-features li {
            font-size: 13px;
            color: var(--text-dark-secondary);
            padding-left: 20px;
            position: relative;
            line-height: 1.5;
        }

        .service-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent-green);
            font-weight: 700;
        }

        /* Process Timeline */
        .process-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
            padding: 40px 0;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            top: 72px;
            left: 12.5%;
            right: 12.5%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-blue), var(--primary-purple), var(--accent-cyan), var(--accent-green));
            border-radius: 1px;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .process-dot {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--gradient-1);
            margin: 0 auto 16px;
            position: relative;
            box-shadow: 0 4px 12px rgba(74, 108, 247, 0.3);
        }

        .process-dot::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 2px solid rgba(74, 108, 247, 0.2);
        }

        .process-step h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-dark-secondary);
            line-height: 1.5;
            max-width: 200px;
            margin: 0 auto;
        }

        /* CTA Section - using official blue ad block template */

        /* Footer - using official template, no custom styles needed */

        /* Scroll Indicator */
        .scroll-indicator {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            opacity: 0.5;
        }

        .scroll-mouse {
            width: 24px;
            height: 38px;
            border: 2px solid var(--text-dark-secondary);
            border-radius: 12px;
            position: relative;
        }

        .scroll-mouse::before {
            content: '';
            position: absolute;
            top: 8px;
            left: 50%;
            transform: translateX(-50%);
            width: 3px;
            height: 8px;
            background: var(--text-dark-secondary);
            border-radius: 2px;
            animation: scroll-anim 2s infinite;
        }

        @keyframes scroll-anim {
            0% { opacity: 1; transform: translateX(-50%) translateY(0); }
            100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
        }

        /* Animations */
        .fade-in-up {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .stagger-1 { transition-delay: 0.1s; }
        .stagger-2 { transition-delay: 0.2s; }
        .stagger-3 { transition-delay: 0.3s; }
        .stagger-4 { transition-delay: 0.4s; }
        .stagger-5 { transition-delay: 0.5s; }
        .stagger-6 { transition-delay: 0.6s; }

        /* Parallax */
        .parallax-bg {
            transition: transform 0.1s ease-out;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .page-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero h1 { font-size: 34px; }

            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .case-results {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .process-timeline {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .process-timeline::before {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .dashboard-card { transform: none; }
            .hero { padding: 120px 0 60px; }
            .hero h1 { font-size: 28px; }
            .section { padding: 60px 0; }
            .section-header h2 { font-size: 26px; }
            .advantages-grid { grid-template-columns: 1fr; }
            .dashboard-metrics { grid-template-columns: repeat(2, 1fr); }
            .positioning-content { grid-template-columns: 1fr; }
            .process-timeline { grid-template-columns: 1fr; }
            .hero-buttons { flex-direction: column; }
            .back-to-top { right: 16px; bottom: 70px; width: 40px; height: 40px; }
            .back-to-top svg { width: 18px; height: 18px; }
        }

        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            right: 24px;
            bottom: 80px;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--gradient-1);
            color: #fff;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(137, 142, 255, 0.35);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            z-index: 999;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(137, 142, 255, 0.5);
        }

        .back-to-top svg {
            width: 20px;
            height: 20px;
        }