/* ============================================
   SPORT READY 狮跑锐得 - 产品页面样式
   统一设计系统，与主页保持一致
   ============================================ */

/* 产品页面特定样式 */

/* 英雄区域 */
.product-hero {
    padding: 100px 0 80px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    position: relative;
    overflow: hidden;
}

.product-hero::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='%23ffffff' fill-opacity='0.03'%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");
}

.product-hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-hero-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.product-hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.product-hero-content {
    color: var(--white);
}

.product-hero-content .product-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
}

.product-hero-content h1 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--white);
}

.product-hero-content .product-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--accent);
    margin-bottom: 24px;
    font-weight: 500;
}

.product-hero-content .product-desc {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.product-hero-stats {
    display: flex;
    gap: 30px;
}

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

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
    display: block;
}

.stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
}

/* 面包屑导航 */
.breadcrumb-section {
    padding: 16px 0;
    background: #f5f7fa;
    border-bottom: 1px solid #e8edf3;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.breadcrumb a {
    color: #666;
    transition: color 0.2s ease;
}

.breadcrumb a:hover {
    color: var(--primary-blue);
}

.breadcrumb .separator {
    color: #ccc;
}

.breadcrumb .current {
    color: var(--primary-dark);
    font-weight: 500;
}

/* 通用区块 */
.product-section {
    padding: 80px 0;
}

.product-section-alt {
    background: #f5f7fa;
}

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

.section-title {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 15px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent));
    border-radius: 2px;
    margin: 20px auto 0;
}

/* 产品型号卡片 */
.model-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

.model-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(10, 37, 64, 0.08);
    transition: all 0.35s ease;
}

.model-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(10, 37, 64, 0.15);
}

.model-image {
    position: relative;
    height: auto;
    min-height: 480px;
    overflow: visible;
    padding: 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.model-image img {
    max-width: 100%;
    max-height: 550px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.model-card:hover .model-image img {
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.model-image::after {
    content: '🔍 点击查看大图';
    position: absolute;
    bottom: 15px;
    right: 25px;
    font-size: 13px;
    color: #666;
    background: rgba(255, 255, 255, 0.9);
    padding: 6px 12px;
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.model-image:hover::after {
    opacity: 1;
}

.model-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 16px;
    background: var(--accent);
    color: var(--white);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.model-content {
    padding: 30px;
}

.model-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.model-tagline {
    font-size: 14px;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.model-features {
    list-style: none;
    padding: 0;
}

.model-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 14px;
    color: #555;
}

.model-features li:last-child {
    border-bottom: none;
}

.model-features li::before {
    content: '';
    flex-shrink: 0;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    margin-top: 8px;
}

/* 特性网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--white);
    padding: 32px 28px;
    border-radius: 12px;
    border: 1px solid #e8edf3;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(10, 37, 64, 0.1);
    border-color: var(--primary-blue);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 14px;
    line-height: 1.7;
    color: #666;
}

/* 应用领域 */
.application-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.application-card {
    background: var(--white);
    padding: 28px 20px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e8edf3;
}

.application-card:hover {
    background: linear-gradient(135deg, rgba(30, 95, 168, 0.05), rgba(74, 144, 217, 0.03));
    border-color: var(--primary-blue);
    transform: translateY(-4px);
}

.application-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.application-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 6px;
}

.application-desc {
    font-size: 13px;
    color: #888;
}

/* 系统架构 */
.architecture-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1a4d7a 100%);
    color: var(--white);
    padding: 80px 0;
}

.architecture-section .section-title {
    color: var(--white);
}

.architecture-section .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.architecture-diagram {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.arch-layer {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    text-align: center;
}

.arch-layer h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--accent);
}

.arch-layer p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.arch-arrow {
    text-align: center;
    font-size: 20px;
    color: var(--accent);
}

/* 数据展示 */
.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.data-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--white);
    border-radius: 12px;
    border: 1px solid #e8edf3;
}

.data-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.data-label {
    font-size: 14px;
    color: #666;
}

/* 流程步骤 */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.process-step {
    background: var(--white);
    padding: 28px 24px;
    border-radius: 12px;
    position: relative;
    border: 1px solid #e8edf3;
    transition: all 0.3s ease;
}

.process-step:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 8px 24px rgba(10, 37, 64, 0.1);
}

.step-number {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: 16px;
}

.step-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.step-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

/* 案例展示 */
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.case-card {
    background: var(--white);
    padding: 32px 28px;
    border-radius: 12px;
    border-left: 4px solid var(--accent);
    box-shadow: 0 4px 16px rgba(10, 37, 64, 0.06);
}

.case-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.case-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 16px;
}

.case-result {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-blue);
}

/* 赛事列表 */
.event-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.event-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--white);
    border-radius: 10px;
    border: 1px solid #e8edf3;
    transition: all 0.3s ease;
}

.event-item:hover {
    background: linear-gradient(135deg, rgba(30, 95, 168, 0.05), rgba(74, 144, 217, 0.03));
    border-color: var(--primary-blue);
}

.event-year {
    padding: 6px 14px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
}

.event-name {
    font-size: 14px;
    color: #444;
}

/* CTA区域 */
.cta-section {
    padding: 80px 0;
}

/* 产品页面底部 - 4列布局 */
.footer-inner {
    grid-template-columns: 1fr 1.5fr 1fr 1fr;
}

.footer-logo-col img {
    height: 56px;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
    opacity: 0.95;
}

.footer-logo-col p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
}

.footer-qr-col {
    text-align: center;
}

.footer-qr-col .qr-wrap {
    text-align: center;
}

.footer-qr-col .qr-img {
    width: 140px;
    height: 140px;
    margin: 0 auto 12px;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.footer-qr-col .qr-text {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-desc {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
}

.cta-btn-primary {
    background: var(--white);
    color: var(--primary-dark);
}

.cta-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.cta-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* 背景模块 */
.bg-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.bg-item {
    background: var(--white);
    border-radius: 16px;
    padding: 32px 28px;
    box-shadow: 0 4px 20px rgba(10, 37, 64, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e8edf3;
}

.bg-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(10, 37, 64, 0.12);
    border-color: var(--accent);
}

.bg-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.bg-item h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.bg-item p {
    color: #555;
    line-height: 1.7;
    font-size: 15px;
}

/* 产品简介模块 */
.product-intro {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.intro-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.intro-item-reverse {
    direction: rtl;
}

.intro-item-reverse > * {
    direction: ltr;
}

.intro-text h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.intro-text p {
    color: #555;
    line-height: 1.8;
    font-size: 16px;
}

.intro-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(10, 37, 64, 0.15);
    cursor: zoom-in;
    transition: all 0.3s ease;
}

.intro-image:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 40px rgba(10, 37, 64, 0.2);
}

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

/* 总结模块 */
.summary-content {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    border-radius: 20px;
    padding: 48px 40px;
    color: var(--white);
    text-align: center;
}

.summary-content p {
    font-size: 18px;
    line-height: 2;
    max-width: 900px;
    margin: 0 auto;
    opacity: 0.95;
}

/* 产品特性模块 */
.feature-content {
    max-width: 1000px;
    margin: 0 auto;
}

.feature-main-text {
    font-size: 17px;
    line-height: 2;
    color: #444;
    text-align: center;
    margin-bottom: 48px;
    padding: 0 20px;
}

.feature-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.highlight-item {
    background: var(--white);
    border-radius: 14px;
    padding: 28px 24px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(10, 37, 64, 0.06);
    transition: all 0.3s ease;
    border: 1px solid #e8edf3;
}

.highlight-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(10, 37, 64, 0.12);
    border-color: var(--accent);
}

.highlight-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.highlight-item h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.highlight-item p {
    color: #666;
    font-size: 14px;
}

/* 三大作用模块 */
.role-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.role-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(10, 37, 64, 0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.role-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.role-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(10, 37, 64, 0.15);
    border-color: var(--accent);
}

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

.role-number {
    font-size: 42px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.role-icon {
    font-size: 56px;
    margin-bottom: 16px;
}

.role-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.role-desc {
    color: #555;
    line-height: 1.8;
    font-size: 15px;
}

/* 响应式 */
@media (max-width: 900px) {
    .intro-item,
    .intro-item-reverse {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .intro-item-reverse {
        direction: ltr;
    }
}

@media (max-width: 900px) {
    .product-hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-hero-image img {
        height: 300px;
    }
    
    .model-cards {
        grid-template-columns: 1fr;
    }
    
    .product-hero-stats {
        gap: 20px;
    }
    
    .stat-number {
        font-size: 26px;
    }
}

/* 图片展示区 */
.image-gallery-section {
    background: #f5f7fa;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(10, 37, 64, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(10, 37, 64, 0.15);
}

.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-caption {
    padding: 14px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-dark);
    text-align: center;
    background: var(--white);
}

@media (max-width: 900px) {
    .image-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .product-hero {
        padding: 80px 0 60px;
    }
    
    .product-section {
        padding: 60px 0;
    }
    
    .cta-box {
        padding: 40px 24px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-btn {
        width: 100%;
    }
    
    .image-gallery {
        grid-template-columns: 1fr;
    }
    
    .gallery-item img {
        height: 180px;
    }
}