:root {
    --primary: #3245ff;
    --secondary: #bc52ee;
    --primary-hover: #2a3bde;
    --text-primary: #111;
    --text-secondary: #666;
    --text-light: #999;
    --background-light: #f8f9fa;
    --background-white: #ffffff;
    --border-light: #e9ecef;
    --border-radius: 8px;
    --shadow-light: 0 4px 12px rgba(0, 0, 0, .08);
    --shadow-hover: 0 8px 24px rgba(50, 69, 255, .15);
    --transition: all .3s ease;
    --animation-duration: .8s;
}

.decorative-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.decor-circle {
    position: absolute;
    border-radius: 50%;
    background: #3245ff0d;
    transform: scale(0);
    animation: scale-in 1s ease-out forwards;
}

.decor-circle-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -200px;
    animation-delay: .2s;
}

.decor-circle-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -150px;
    animation-delay: .4s;
}

.decor-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23f8f9fa' fill-opacity='1' d='M0,192L48,186.7C96,181,192,171,288,186.7C384,203,480,245,576,240C672,235,768,181,864,160C960,139,1056,149,1152,170.7C1248,192,1344,224,1392,240L1440,256L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") no-repeat;
    background-size: cover;
    transform: translateY(50px);
    opacity: 0;
    animation: fade-up 1s ease-out forwards;
    animation-delay: .6s;
}

.product-intro,
.product-advantages,
.product-features,
.product-highlights,
.service-intro,
.service-advantages,
.service-process {
    opacity: 0;
    transform: translateY(30px);
    animation: fade-up var(--animation-duration) ease-out forwards;
}

.product-advantages {
    animation-delay: .2s;
}

.product-features {
    animation-delay: .4s;
}

.product-highlights {
    animation-delay: .6s;
}

.service-intro {
    animation-delay: .2s;
}

.service-advantages {
    animation-delay: .4s;
}

.service-process {
    animation-delay: .6s;
}

@keyframes fade-up {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scale-in {
    0% {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.button {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    transition: all .3s ease;
    cursor: pointer;
    border: none;
}

.button.primary {
    background: linear-gradient(83.21deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff;
    box-shadow: 0 4px 14px #3245ff4d;
}

.button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px #3245ff66;
}

.product-section,
.custom-service-section {
    padding: 80px 0;
    background-color: var(--background-white);
    position: relative;
    overflow: hidden;
}

.product-section:before,
.custom-service-section:before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(var(--text-primary) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: .3;
    pointer-events: none;
    z-index: 0;
}

.product-section {
    border-bottom: 1px solid var(--border-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.header-divider {
    width: 80px;
    height: 4px;
    background-color: var(--primary);
    margin: 0 auto;
    border-radius: 2px;
}

h3 {
    font-size: 28px;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 24px;
    position: relative;
    display: inline-block;
    text-align: center;
    left: 50%;
    transform: translate(-50%);
}

h3:after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -8px;
    width: 60px;
    height: 3px;
    background-color: var(--primary);
    border-radius: 2px;
    transform: translate(-50%);
}

h4 {
    font-size: 20px;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
}

.product-intro,
.service-intro {
    margin-bottom: 60px;
}

.product-intro p,
.service-intro p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.advantages-grid,
.highlights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.advantage-card,
.highlight-card {
    background-color: var(--background-white);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 30px;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
    display: flex;
    flex-direction: column;
}

.advantage-card:hover,
.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px #0000001f;
}

.advantage-card p,
.highlight-card p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #3245ff1a, #bc52ee1a);
    border-radius: 50%;
    transition: transform .3s ease;
}

.advantage-card:hover .card-icon,
.highlight-card:hover .card-icon {
    transform: scale(1.1);
}

.card-icon svg {
    transition: all .3s ease;
}

.advantage-card:hover .card-icon svg,
.highlight-card:hover .card-icon svg {
    stroke: var(--secondary);
}

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

.card-content {
    margin-left: 16px;
}

.advantage-card h4,
.highlight-card h4 {
    text-align: left;
    margin-bottom: 8px;
}

.product-features {
    margin-bottom: 60px;
}

.features-content {
    background-color: var(--background-light);
    border-radius: var(--border-radius);
    padding: 40px;
}

.features-content p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.service-process {
    margin-top: 60px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.process-step {
    background-color: var(--background-white);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 24px;
    position: relative;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px #0000001f;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 24px;
    width: 30px;
    height: 30px;
    background-color: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 16px;
}

.process-step h4 {
    margin-top: 10px;
    font-size: 18px;
}

.process-step p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
}

main {
    margin-top: 80px;
}

@media (max-width: 1024px) {
    .section-header h2 {
        font-size: 32px;
    }
    h3 {
        font-size: 24px;
    }
    .advantages-grid,
    .highlights-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .process-steps {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .product-section,
    .custom-service-section {
        padding: 60px 0;
    }
    .section-header {
        margin-bottom: 40px;
    }
    .section-header h2 {
        font-size: 28px;
    }
    h3 {
        font-size: 22px;
    }
    h4 {
        font-size: 18px;
    }
    .product-intro p,
    .service-intro p {
        font-size: 16px;
    }
    .advantage-card,
    .highlight-card {
        padding: 24px;
    }
    .features-content {
        padding: 30px 20px;
    }
    .process-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .section-header h2 {
        font-size: 24px;
    }
    h3 {
        font-size: 20px;
    }
    .container {
        padding: 0 16px;
    }
    .product-intro p,
    .service-intro p {
        font-size: 15px;
        text-align: left;
    }
}