.cad-hero {
    background: 
        linear-gradient(135deg, 
            rgba(239, 246, 255, 0.95) 0%, 
            rgba(219, 234, 254, 0.92) 25%, 
            rgba(191, 219, 254, 0.88) 50%, 
            rgba(219, 234, 254, 0.92) 75%, 
            rgba(239, 246, 255, 0.95) 100%),
        url('/static/images/cad/kv_bg.png') center/cover no-repeat;
    position: relative;
}

.cad-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 30%, rgba(30, 64, 175, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 50% 80%, rgba(147, 197, 253, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse 40% 30% at 70% 60%, rgba(59, 130, 246, 0.04) 0%, transparent 40%);
    pointer-events: none;
    z-index: 1;
    animation: cadGlowPulse 6s ease-in-out infinite;
}

@keyframes cadGlowPulse {
    0%, 100% { opacity: 0.85; }
    50% { opacity: 1; }
}

.cad-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(160deg, rgba(239, 246, 255, 0.1) 0%, rgba(219, 234, 254, 0.08) 20%, rgba(191, 219, 254, 0.05) 45%, rgba(219, 234, 254, 0.08) 70%, rgba(239, 246, 255, 0.1) 100%);
    pointer-events: none;
    z-index: 0;
}

.cad-hero .hero-vignette {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse 70% 60% at 50% 50%, transparent 30%, rgba(239, 246, 255, 0.3) 100%);
    pointer-events: none;
    z-index: 2;
}

.cad-hero .hero-light-rays {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 140%;
    background: conic-gradient(
        from 200deg at 50% 0%,
        transparent 0deg,
        rgba(59, 130, 246, 0.04) 10deg,
        transparent 20deg,
        rgba(59, 130, 246, 0.03) 35deg,
        transparent 45deg,
        rgba(30, 64, 175, 0.03) 55deg,
        transparent 65deg,
        rgba(59, 130, 246, 0.04) 75deg,
        transparent 85deg,
        rgba(147, 197, 253, 0.03) 100deg,
        transparent 110deg,
        rgba(59, 130, 246, 0.03) 130deg,
        transparent 140deg
    );
    pointer-events: none;
    z-index: 1;
    animation: cadLightRaysRotate 30s linear infinite;
}

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

.cad-hero .hero-grid-bg {
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 70%);
    z-index: 1;
}

.cad-hero .hero-particle {
    background: var(--primary);
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.6);
}

.cad-hero .hero-content {
    position: relative;
    z-index: 3;
}

.cad-hero .col-lg-6 {
    position: relative;
    z-index: 3;
}

.cad-hero .hero-badge {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(30, 64, 175, 0.12));
    border-color: rgba(59, 130, 246, 0.3);
    color: #1e40af;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    font-weight: 700;
    letter-spacing: 0.04em;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.15), 0 2px 8px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    padding: 12px 28px;
    font-size: 0.9375rem;
}

.cad-hero .hero-badge i {
    filter: drop-shadow(0 0 4px rgba(59, 130, 246, 0.3));
    color: #3b82f6;
}

.cad-hero .hero-title {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 15%, #2563eb 30%, #3b82f6 50%, #60a5fa 70%, #3b82f6 85%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    font-size: clamp(2.25rem, 5.5vw, 3.75rem);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    letter-spacing: -0.02em;
    line-height: 1.1;
    font-weight: 800;
}

.cad-hero .hero-desc {
    color: #0f172a;
    font-size: clamp(1.0625rem, 2.4vw, 1.3125rem);
    line-height: 2;
    letter-spacing: 0.025em;
    font-weight: 600;
}

.cad-hero .hero-system-info {
    color: #1e293b;
    font-size: 0.875rem;
    margin-top: 20px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(30, 64, 175, 0.06));
    padding: 10px 18px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(59, 130, 246, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    font-weight: 600;
}

.cad-hero .hero-system-info i {
    color: #3b82f6;
    filter: drop-shadow(0 0 4px rgba(59, 130, 246, 0.3));
}

.cad-hero .btn-hero-primary {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    box-shadow: 0 8px 40px rgba(59, 130, 246, 0.3), 0 4px 20px rgba(59, 130, 246, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    color: #ffffff;
    font-weight: 700;
    letter-spacing: 0.04em;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 18px 40px;
    font-size: 1.0625rem;
}

.cad-hero .btn-hero-primary:hover {
    box-shadow: 0 12px 60px rgba(59, 130, 246, 0.4), 0 6px 30px rgba(59, 130, 246, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.35);
    transform: translateY(-4px);
}

.cad-hero .btn-hero-primary i {
    filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.15));
}

.cad-hero .btn-hero-secondary {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(30, 64, 175, 0.1));
    border-color: rgba(59, 130, 246, 0.3);
    color: #1e3a8a;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1), 0 2px 8px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    padding: 18px 40px;
    font-size: 1.0625rem;
}

.cad-hero .btn-hero-secondary:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(30, 64, 175, 0.15));
    border-color: rgba(59, 130, 246, 0.4);
    color: #1e3a8a;
    box-shadow: 0 6px 30px rgba(59, 130, 246, 0.15), 0 4px 15px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.cad-hero .btn-hero-secondary i {
    filter: drop-shadow(0 0 4px rgba(59, 130, 246, 0.2));
}

.cad-feature-icon {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #ffffff;
}

.cad-feature-icon i {
    color: #ffffff;
}

.cad-hero .blueprint-frame {
    position: relative;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: 32px;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.15), 0 4px 16px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.cad-hero .blueprint-corner {
    position: absolute;
    width: 24px;
    height: 24px;
    border: 2px solid rgba(59, 130, 246, 0.3);
}

.cad-hero .blueprint-tl {
    top: 12px;
    left: 12px;
    border-right: none;
    border-bottom: none;
}

.cad-hero .blueprint-tr {
    top: 12px;
    right: 12px;
    border-left: none;
    border-bottom: none;
}

.cad-hero .blueprint-bl {
    bottom: 12px;
    left: 12px;
    border-right: none;
    border-top: none;
}

.cad-hero .blueprint-br {
    bottom: 12px;
    right: 12px;
    border-left: none;
    border-top: none;
}

.section-features {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 50%, #f0f7ff 100%);
    position: relative;
    overflow: hidden;
}

.section-features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 60% 40% at 50% 0%, rgba(59, 130, 246, 0.06), transparent),
        radial-gradient(ellipse 50% 30% at 80% 100%, rgba(30, 64, 175, 0.04), transparent);
    pointer-events: none;
}

.section-features::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(rgba(59, 130, 246, 0.05) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.section-features .section-badge {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
    color: #1e40af;
}

.section-features .section-title {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-features .section-subtitle {
    color: #475569;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.spec-card {
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 50%, #e0efff 100%);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 20px;
    padding: 32px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
}

.spec-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(30, 64, 175, 0.05));
    opacity: 0;
    transition: opacity 0.4s;
}

.spec-card:hover {
    transform: translateY(-6px);
    border-color: rgba(59, 130, 246, 0.35);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.2);
}

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

.spec-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.spec-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 0;
}

.spec-card p {
    font-size: 0.9375rem;
    color: #475569;
    line-height: 1.7;
    margin-bottom: 0;
}

.spec-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.2), transparent);
    margin-top: 20px;
}

.steps-section {
    background: var(--bg-dark-surface);
    position: relative;
    overflow: hidden;
}

.steps-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 60% 40% at 50% 50%, rgba(59, 130, 246, 0.04), transparent);
    pointer-events: none;
}

.steps-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(rgba(59, 130, 246, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.015) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
}

.steps-section .section-badge {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
    color: var(--primary-light);
}

.steps-section .section-title {
    background: linear-gradient(135deg, #ffffff 0%, #93c5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.1));
}

.steps-grid {
    display: flex;
    align-items: stretch;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.step-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px 28px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    height: 100%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    flex: 1;
    min-width: 250px;
    max-width: 320px;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}

.step-card:hover {
    transform: translateY(-6px);
    border-color: rgba(59, 130, 246, 0.25);
    box-shadow: 0 16px 48px rgba(59, 130, 246, 0.12);
}

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

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--gradient-end));
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(59, 130, 246, 0.2);
    animation: cadStepPulse 2s ease-in-out infinite;
}

@keyframes cadStepPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0; }
}

.step-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(59, 130, 246, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.5rem;
    color: var(--primary-light);
}

.step-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
}

.step-card p {
    font-size: 0.9375rem;
    color: #e0f2fe;
    line-height: 1.7;
    margin-bottom: 0;
}

.step-connector {
    display: flex;
    align-items: center;
    color: rgba(59, 130, 246, 0.3);
    font-size: 1.5rem;
}

.section-dark {
    background: #f8fafc;
    position: relative;
    overflow: hidden;
}

.section-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 50% 40% at 20% 50%, rgba(59, 130, 246, 0.03), transparent),
        radial-gradient(ellipse 40% 30% at 80% 50%, rgba(30, 64, 175, 0.02), transparent);
    pointer-events: none;
}

.section-dark::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 15% 85%, rgba(59, 130, 246, 0.02) 0%, transparent 40%),
        radial-gradient(circle at 85% 15%, rgba(30, 64, 175, 0.01) 0%, transparent 40%);
    pointer-events: none;
}

.section-dark .section-badge {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.section-dark .section-title {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.showcase-row {
    display: flex;
    align-items: center;
    gap: 48px;
    margin-bottom: 80px;
    padding: 40px;
    border-radius: 24px;
    background: #ffffff;
    border: 1px solid rgba(59, 130, 246, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.4s;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
}

.showcase-row:last-child {
    margin-bottom: 0;
}

.showcase-row:hover {
    border-color: rgba(59, 130, 246, 0.2);
    box-shadow: 0 8px 40px rgba(59, 130, 246, 0.12), 0 4px 16px rgba(0, 0, 0, 0.06);
}

.showcase-row.reverse {
    flex-direction: row-reverse;
}

.showcase-text h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 30%, #3b82f6 60%, #60a5fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.showcase-text p {
    font-size: 1.0625rem;
    color: #1e293b;
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.showcase-text ul li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    color: #1e40af;
    font-size: 0.9375rem;
}

.showcase-text ul li i {
    color: var(--primary);
    margin-top: 4px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 4px rgba(59, 130, 246, 0.3));
}

.showcase-img {
    flex-shrink: 0;
    max-width: 480px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(59, 130, 246, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.4s;
    position: relative;
}

.showcase-img::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), transparent 50%);
    pointer-events: none;
    border-radius: 16px;
}

.showcase-row:hover .showcase-img {
    box-shadow: 0 12px 48px rgba(59, 130, 246, 0.15), 0 0 60px rgba(59, 130, 246, 0.06);
    transform: scale(1.02);
}

.showcase-img img {
    width: 100%;
    height: auto;
    display: block;
}

.advantages-section {
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.advantages-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 60% 40% at 30% 30%, rgba(59, 130, 246, 0.03), transparent),
        radial-gradient(ellipse 50% 30% at 70% 70%, rgba(30, 64, 175, 0.02), transparent);
    pointer-events: none;
}

.advantages-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(rgba(59, 130, 246, 0.015) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}

.advantages-section .section-badge {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.advantages-section .section-title {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.advantages-section .section-subtitle {
    color: #64748b;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.advantage-card {
    background: #f8fafc;
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 16px;
    padding: 32px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    height: 100%;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(59, 130, 246, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}

.advantage-card:hover {
    transform: translateY(-6px);
    border-color: rgba(59, 130, 246, 0.2);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.1), 0 4px 12px rgba(0, 0, 0, 0.06);
}

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

.advantage-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(30, 64, 175, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.375rem;
    color: #3b82f6;
    flex-shrink: 0;
    transition: all 0.4s;
}

.advantage-card:hover .advantage-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(30, 64, 175, 0.15));
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.15);
    transform: scale(1.05);
}

.advantage-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 10px;
}

.advantage-card p {
    font-size: 0.9375rem;
    color: #1e293b;
    line-height: 1.7;
    margin-bottom: 0;
}

.stats-section {
    background: linear-gradient(135deg, #eff6ff, #dbeafe, #bfdbfe);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%233b82f6' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.stats-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 50% 60% at 20% 50%, rgba(59, 130, 246, 0.08), transparent),
        radial-gradient(ellipse 40% 50% at 80% 30%, rgba(59, 130, 246, 0.05), transparent),
        radial-gradient(ellipse 30% 40% at 50% 80%, rgba(147, 197, 253, 0.06), transparent);
    pointer-events: none;
}

.stat-item {
    text-align: center;
    color: #1e293b;
    padding: 28px 20px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 18px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1), 0 2px 8px rgba(0, 0, 0, 0.04);
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-6px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15), 0 4px 12px rgba(0, 0, 0, 0.06);
}

.stat-number {
    font-size: clamp(2.25rem, 4.5vw, 3.25rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 10px;
    color: #1e3a8a;
}

.stat-label {
    font-size: 0.9375rem;
    color: #1e293b;
    font-weight: 600;
}

.reviews-section {
    background: #f8fafc;
    position: relative;
    overflow: hidden;
}

.reviews-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 50% 30% at 50% 0%, rgba(59, 130, 246, 0.03), transparent);
    pointer-events: none;
}

.reviews-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(rgba(59, 130, 246, 0.008) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.008) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
}

.reviews-section .section-badge {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.reviews-section .section-title {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.reviews-section .section-subtitle {
    color: #64748b;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.review-card {
    background: #ffffff;
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 20px;
    padding: 36px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(59, 130, 246, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
}

.review-card::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.05), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.review-card:hover {
    transform: translateY(-6px);
    border-color: rgba(59, 130, 246, 0.2);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.1), 0 4px 12px rgba(0, 0, 0, 0.06);
}

.review-stars {
    margin-bottom: 16px;
}

.review-stars i {
    color: #fbbf24;
    font-size: 0.9375rem;
    margin-right: 2px;
    filter: drop-shadow(0 0 4px rgba(251, 191, 36, 0.3));
}

.review-text {
    font-size: 1rem;
    color: #1e293b;
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.review-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.2);
}

.review-name {
    font-weight: 700;
    color: #0f172a;
    font-size: 0.9375rem;
}

.review-role {
    font-size: 0.8125rem;
    color: #1e293b;
}

.faq-section {
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.faq-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 50% 30% at 50% 0%, rgba(59, 130, 246, 0.03), transparent);
    pointer-events: none;
}

.faq-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 10% 90%, rgba(59, 130, 246, 0.015) 0%, transparent 40%),
        radial-gradient(circle at 90% 10%, rgba(30, 64, 175, 0.015) 0%, transparent 40%);
    pointer-events: none;
}

.faq-section .section-badge {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.faq-section .section-title {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #f8fafc;
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 16px;
    margin-bottom: 14px;
    overflow: hidden;
    transition: all 0.3s;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 12px rgba(59, 130, 246, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
}

.faq-item:last-child {
    margin-bottom: 0;
}

.faq-item:hover {
    border-color: rgba(59, 130, 246, 0.2);
}

.faq-item.active {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    transition: all 0.3s;
}

.faq-question:hover {
    background: rgba(59, 130, 246, 0.03);
}

.faq-question h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 0;
    padding-right: 16px;
}

.faq-toggle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3b82f6;
    transition: all 0.3s;
    flex-shrink: 0;
}

.faq-item.active .faq-toggle {
    background: #3b82f6;
    color: #ffffff;
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-inner {
    padding: 0 24px 24px;
    font-size: 0.9375rem;
    color: #1e293b;
    line-height: 1.8;
}

.download-section {
    background: linear-gradient(135deg, #eff6ff, #dbeafe, #bfdbfe);
    position: relative;
    overflow: hidden;
}

.download-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(160deg, #eff6ff 0%, #e0f2fe 30%, #dbeafe 50%, #e0f2fe 70%, #eff6ff 100%);
    pointer-events: none;
}

.download-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 50%, rgba(59, 130, 246, 0.08), transparent),
        radial-gradient(ellipse 40% 30% at 30% 30%, rgba(30, 64, 175, 0.04), transparent),
        radial-gradient(ellipse 40% 30% at 70% 70%, rgba(147, 197, 253, 0.04), transparent);
    pointer-events: none;
}

.download-box {
    text-align: center;
    padding: 60px 40px;
    background: #ffffff;
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.1), 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    z-index: 1;
}

.download-box h3 {
    font-size: clamp(1.875rem, 4.2vw, 2.875rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 20%, #3b82f6 45%, #60a5fa 70%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.download-box p {
    font-size: clamp(1rem, 2.2vw, 1.1875rem);
    color: #1e293b;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.download-box .btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #ffffff;
    padding: 18px 44px;
    border-radius: 16px;
    font-weight: 700;
    font-size: 1.0625rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 30px rgba(59, 130, 246, 0.3), 0 0 40px rgba(59, 130, 246, 0.15);
}

.download-box .btn-hero-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.4), 0 0 60px rgba(59, 130, 246, 0.2);
    color: #ffffff;
}

.download-info {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.download-info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #1e293b;
    font-size: 0.875rem;
}

.download-info-item i {
    color: #3b82f6;
    filter: drop-shadow(0 0 4px rgba(59, 130, 246, 0.2));
}

[data-theme="cad"] .downTop {
    background: rgba(255, 255, 255, 0.95);
    border-bottom-color: rgba(59, 130, 246, 0.1);
}

[data-theme="cad"] .downTopDowmload {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

[data-theme="cad"] .downTopDowmload:hover {
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

[data-theme="cad"] .tech-header {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: rgba(59, 130, 246, 0.1);
    box-shadow: 0 2px 20px rgba(59, 130, 246, 0.08);
}

[data-theme="cad"] .tech-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(59, 130, 246, 0.12);
}

[data-theme="cad"] .logo-title {
    color: #1e3a8a;
    font-weight: 800;
}

[data-theme="cad"] .nav-link {
    color: #1e293b !important;
    font-weight: 600;
}

[data-theme="cad"] .nav-link:hover,
[data-theme="cad"] .nav-item.active .nav-link {
    color: #1e3a8a !important;
    background: rgba(59, 130, 246, 0.08);
}

[data-theme="cad"] .nav-link::after {
    background: linear-gradient(90deg, #3b82f6, #1e40af);
}

[data-theme="cad"] .btn-tech-login {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #ffffff;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.25);
}

[data-theme="cad"] .btn-tech-login:hover {
    background: linear-gradient(135deg, #2563eb, #1e40af);
    box-shadow: 0 6px 24px rgba(59, 130, 246, 0.35);
    transform: translateY(-2px);
}

.cad-blueprint {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.cad-cta {
    background: linear-gradient(135deg, #1e3a5f, #1d4ed8);
}

.cad-format-card {
    background: rgba(59,130,246,0.06);
    border: 1px solid rgba(59,130,246,0.12);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s;
}

.cad-format-card:hover {
    background: rgba(59,130,246,0.12);
    transform: translateY(-4px);
    border-color: rgba(59,130,246,0.25);
}

.cad-format-card .format-icon {
    font-size: 2rem;
    margin-bottom: 12px;
    color: #93c5fd;
}

.cad-format-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #93c5fd;
    margin-bottom: 4px;
}

.cad-format-card p {
    font-size: 0.8125rem;
    color: #64748b;
}

.cad-arrow {
    color: #3b82f6;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
}

@media (max-width: 768px) {
    .steps-grid {
        flex-direction: column;
    }
    
    .step-connector {
        transform: rotate(90deg);
    }
    
    .showcase-row {
        flex-direction: column !important;
        gap: 32px;
    }
    
    .showcase-img {
        max-width: 100%;
    }
}