// ============================================
// Product Detail Page - Common Styles
// 适用于所有产品详情页面的通用样式
// ============================================

// Import variables
@import './variables.less';

.product-detail-page {
    min-height: 100vh;
    background: @gradient-hero;
}

// ============================================
// Hero Section - 产品展示区
// ============================================

.product-hero-section {
    padding: 100px 20px 80px;
    text-align: center;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('../imgs/banner/product.jpg') center/cover no-repeat;
    color: @text-primary;
    position: relative;
    overflow: hidden;

    &::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(232, 93, 4, 0.15) 0%, transparent 70%);
        animation: float 10s ease-in-out infinite;
    }

    .container {
        max-width: 1000px;
        margin: 0 auto;
        position: relative;
        z-index: 1;
    }

    .product-breadcrumb {
        margin-bottom: 24px;
        font-size: 0.9rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;

        .breadcrumb-link {
            color: @text-secondary;
            text-decoration: none;
            transition: color @transition-fast;

            &:hover {
                color: @primary-active;
            }
        }

        .breadcrumb-separator {
            color: @text-tertiary;
        }

        .breadcrumb-current {
            color: @primary-active;
            font-weight: 500;
        }
    }

    .product-hero-title {
        font-size: 3.5rem;
        font-weight: 700;
        margin-bottom: 16px;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);

        @media (max-width: 768px) {
            font-size: 2.2rem;
        }
    }

    .product-hero-subtitle {
        font-size: 1.8rem;
        font-weight: 300;
        margin-bottom: 20px;
        color: @primary-light;

        @media (max-width: 768px) {
            font-size: 1.4rem;
        }
    }

    .product-hero-desc {
        font-size: 1.1rem;
        color: @text-secondary;
        max-width: 1000px;
        margin: 0 auto 32px;
        line-height: 1.6;
    }

    .product-hero-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .btn-large {
        padding: 14px 40px;
        font-size: 1.1rem;
        border-radius: 8px;
        font-weight: 600;
        transition: all @transition-smooth;
        cursor: pointer;
        border: none;

        &.btn-primary {
            background: @primary-gradient;
            color: @text-primary;

            &:hover {
                transform: translateY(-2px);
                box-shadow: @shadow-glow;
            }
        }

        &.btn-outline {
            background: transparent;
            border: 2px solid @primary-active;
            color: @primary-active;

            &:hover {
                background: rgba(232, 93, 4, 0.1);
                border-color: @primary-hover;
                color: @primary-hover;
            }
        }
    }
}

// ============================================
// Features Section - 核心功能区
// ============================================

.product-features-section {
    padding: 80px 20px;
    background: @bg-secondary;

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

    .section-title {
        font-size: 2.5rem;
        font-weight: 700;
        text-align: center;
        margin-bottom: 16px;
        color: @text-primary;
    }

    .section-subtitle {
        font-size: 1.2rem;
        text-align: center;
        color: @text-secondary;
        margin-bottom: 60px;
    }

    .features-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;

        @media (max-width: 768px) {
            grid-template-columns: 1fr;
            gap: 24px;
        }
    }

    .feature-item {
        background: @card-bg;
        border: 1px solid @card-border;
        border-radius: 12px;
        padding: 32px;
        transition: all @transition-smooth;

        &:hover {
            transform: translateY(-4px);
            box-shadow: @card-hover-shadow;
            border-color: rgba(232, 93, 4, 0.3);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            background: @primary-gradient;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;

            svg {
                width: 32px;
                height: 32px;
                color: @text-primary;
            }
        }

        .feature-title {
            font-size: 1.3rem;
            font-weight: 600;
            color: @text-primary;
            margin-bottom: 12px;
        }

        .feature-desc {
            color: @text-secondary;
            line-height: 1.6;
        }
    }
}

// ============================================
// Specifications Section - 技术规格
// ============================================

.product-specs-section {
    padding: 80px 20px;
    background: @gradient-hero;

    .container {
        max-width: 900px;
        margin: 0 auto;
    }

    .section-title {
        font-size: 2.5rem;
        font-weight: 700;
        text-align: center;
        margin-bottom: 50px;
        color: @text-primary;
    }

    .specs-table {
        background: @card-bg;
        border: 1px solid @card-border;
        border-radius: 12px;
        overflow: hidden;
    }

    .spec-row {
        display: flex;
        padding: 20px 24px;
        border-bottom: 1px solid @border-subtle;

        &:last-child {
            border-bottom: none;
        }

        &:nth-child(even) {
            background: rgba(255, 255, 255, 0.02);
        }

        @media (max-width: 768px) {
            flex-direction: column;
            gap: 8px;
        }
    }

    .spec-label {
        flex: 0 0 200px;
        font-weight: 600;
        color: @text-primary;

        @media (max-width: 768px) {
            flex: 1;
        }
    }

    .spec-value {
        flex: 1;
        color: @text-secondary;
        line-height: 1.6;

        @media (max-width: 768px) {
            flex: 1;
        }
    }
}

// ============================================
// Use Cases Section - 应用场景
// ============================================

.product-usecases-section {
    padding: 80px 20px;
    background: @bg-secondary;

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

    .section-title {
        font-size: 2.5rem;
        font-weight: 700;
        text-align: center;
        margin-bottom: 50px;
        color: @text-primary;
    }

    .usecases-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;

        @media (max-width: 1024px) {
            grid-template-columns: repeat(2, 1fr);
        }

        @media (max-width: 768px) {
            grid-template-columns: 1fr;
        }
    }

    .usecase-card {
        background: @gradient-card;
        border: 1px solid @card-border;
        border-radius: 12px;
        padding: 32px;
        text-align: center;
        transition: all @transition-smooth;

        &:hover {
            transform: translateY(-4px);
            box-shadow: @card-hover-shadow;
            border-color: rgba(232, 93, 4, 0.3);
        }

        .usecase-title {
            font-size: 1.3rem;
            font-weight: 600;
            color: @primary-active;
            margin-bottom: 16px;
        }

        .usecase-desc {
            color: @text-secondary;
            line-height: 1.6;
        }
    }
}

// ============================================
// CTA Section - 行动号召
// ============================================

.product-cta-section {
    padding: 100px 20px;
    background: @primary-gradient;
    text-align: center;
    color: @text-primary;

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

    .cta-title {
        font-size: 2.2rem;
        font-weight: 700;
        margin-bottom: 16px;

        @media (max-width: 768px) {
            font-size: 1.8rem;
        }
    }

    .cta-desc {
        font-size: 1.1rem;
        margin-bottom: 32px;
        opacity: 0.95;
    }
}

// ============================================
// Animation
// ============================================

@keyframes float {
    0%, 100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(-20px, 20px);
    }
}