/* ============================================
   Product Detail Page Styles
   暖色系（橙色）主题
   ============================================ */

/* Hero Banner - 橙色背景横幅 */
.product-hero {
    background: linear-gradient(135deg, #d4740c 0%, #b8620a 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.product-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1464226184884-fa280b87c399?w=1920') center/cover;
    opacity: 0.1;
}

.product-hero .container {
    position: relative;
    z-index: 1;
}

.product-hero-title {
    color: #fff;
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.product-hero-text {
    color: rgba(255,255,255,0.95);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.product-hero-image {
    border-radius: 12px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.3);
    max-width: 100%;
    height: auto;
    background: #fff5eb;
    min-height: 280px;
    object-fit: cover;
}

.btn-hero {
    background-color: #8b4513;
    border: none;
    color: #fff;
    padding: 15px 40px;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-hero:hover {
    background-color: #5d2e0d;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

/* Product Intro Section */
.product-intro {
    padding: 100px 0;
    background-color: #fff;
}

.product-intro-title {
    color: #d4740c;
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.product-intro-subtitle {
    color: #333;
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.product-intro-text {
    color: #555;
    line-height: 1.9;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.product-intro-image {
    background: linear-gradient(135deg, #fff5eb 0%, #ffe4c9 100%);
    border-radius: 12px;
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}


/* Benefits Section - 卡片网格 */
.product-benefits {
    padding: 100px 0;
    background-color: #fff;
}

.product-benefits-title {
    color: #d4740c;
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.product-benefits-subtitle {
    color: #555;
    text-align: center;
    max-width: 750px;
    margin: 0 auto 60px;
    line-height: 1.8;
    font-size: 0.95rem;
}

.benefit-card {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 35px 30px;
    height: 100%;
    transition: all 0.3s ease;
}

.benefit-card:hover {
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    border-color: #d4740c;
    transform: translateY(-3px);
}

.benefit-icon {
    width: 45px;
    height: 45px;
    margin-bottom: 20px;
    color: #d4740c;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-icon i {
    font-size: 2rem;
}

.benefit-card h5 {
    color: #d4740c;
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 15px;
}

.benefit-card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.75;
    margin-bottom: 0;
}

/* Quote Section */
.product-quote {
    padding: 80px 0;
    background-color: #fafafa;
}

.product-quote-text {
    font-size: 1.1rem;
    font-style: italic;
    color: #333;
    line-height: 1.9;
    text-align: center;
    max-width: 950px;
    margin: 0 auto 35px;
}

.product-quote-author {
    text-align: center;
    color: #d4740c;
    font-weight: 600;
    font-size: 1rem;
}

.product-quote-author span {
    display: block;
    color: #888;
    font-weight: 400;
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Feature Section */
.product-feature {
    padding: 100px 0;
    background-color: #fff;
}

.product-feature.bg-light {
    background: linear-gradient(180deg, #fff5eb 0%, #fff 100%);
}

.product-feature-title {
    color: #d4740c;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.product-feature-text {
    color: #555;
    line-height: 1.85;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.product-feature-image {
    border-radius: 12px;
    overflow: hidden;
    background: #fff5eb;
    min-height: 300px;
}

.product-feature-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}


/* Orange Banner Section */
.product-green-banner {
    background: linear-gradient(135deg, #d4740c 0%, #b8620a 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.product-green-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1506905925346-21bda4d32df4?w=1920') center/cover;
    opacity: 0.08;
}

.product-green-banner .container {
    position: relative;
    z-index: 1;
}

.product-green-banner h2 {
    color: #fff;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.product-green-banner p {
    color: rgba(255,255,255,0.95);
    line-height: 1.85;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.product-green-banner img {
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.25);
    background: #fff5eb;
    min-height: 250px;
    object-fit: cover;
}

/* Stats Section */
.product-stats {
    padding: 80px 0;
    background-color: #fff;
}

.stats-container {
    border-top: 2px solid #e0e0e0;
    padding-top: 50px;
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
}

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

.stat-value {
    font-size: 2.8rem;
    font-weight: 700;
    color: #d4740c;
    margin-bottom: 8px;
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
}

/* CTA Section */
.product-cta {
    padding: 70px 0;
    background-color: #333;
    text-align: center;
}

.product-cta h3 {
    color: #fff;
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 30px;
}

.product-cta .btn {
    padding: 15px 45px;
    font-weight: 600;
    border-radius: 4px;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

/* Responsive */
@media (max-width: 991px) {
    .product-hero {
        padding: 60px 0;
        text-align: center;
    }
    
    .product-hero-title {
        font-size: 2.2rem;
    }
    
    .product-hero-image {
        margin-top: 40px;
    }
    
    .product-intro,
    .product-benefits,
    .product-feature,
    .product-green-banner {
        padding: 70px 0;
    }
    
    .stats-container {
        gap: 40px;
    }
    
    .product-feature-image {
        margin-bottom: 30px;
    }
}

@media (max-width: 767px) {
    .product-hero-title {
        font-size: 1.8rem;
    }
    
    .product-benefits-title,
    .product-intro-title,
    .product-feature-title,
    .product-green-banner h2 {
        font-size: 1.6rem;
    }
    
    .benefit-card {
        padding: 25px 20px;
    }
    
    .stat-value {
        font-size: 2.2rem;
    }
    
    .stats-container {
        gap: 25px;
    }
    
    .stat-item {
        flex: 0 0 45%;
    }
}