/* ===== 产品详情页专用样�?- 阿里云风�?===== */

/* ===== 新版Hero区域 - 浅色背景清晰字体 ===== */
.hero-section-white {
    background: linear-gradient(180deg, #F7F8FA 0%, #FFFFFF 100%);
    padding: 100px 0 60px;
    border-bottom: 1px solid var(--border-color);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 480px;
    gap: 80px;
    align-items: center;
}

/* 左侧内容 */
.hero-left {
    padding-right: 40px;
}

.hero-category {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-desc {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* 核心亮点 */
.hero-highlights {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.highlight-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.highlight-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

.highlight-icon svg {
    width: 22px;
    height: 22px;
}

.highlight-content {
    display: flex;
    flex-direction: column;
}

.highlight-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.highlight-label {
    font-size: 12px;
    color: var(--text-light);
}

/* 按钮�?*/
.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-consult {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--primary-color);
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition);
}

.btn-consult:hover {
    background: var(--primary-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 82, 217, 0.3);
}

.btn-learn {
    font-size: 15px;
    color: var(--primary-color);
    text-decoration: none;
    padding: 14px 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-learn:hover {
    background: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 右侧可视�?*/
.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual {
    position: relative;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.visual-main {
    width: 400px;
    height: 300px;
}

.visual-badge {
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: #fff;
    font-size: 12px;
    padding: 6px 16px;
    border-radius: 20px;
    white-space: nowrap;
}

/* 响应�?*/
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-left {
        padding-right: 0;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .visual-main {
        width: 100%;
        max-width: 400px;
        height: auto;
    }
}

@media (max-width: 640px) {
    .hero-section-white {
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-highlights {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .highlight-item {
        padding: 12px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-consult, .btn-learn {
        justify-content: center;
        text-align: center;
    }
}

/* ===== 旧版Hero区域（保留兼容）===== */
.product-hero {
    background: linear-gradient(135deg, #0a1628 0%, #1e3a5f 50%, #0d2137 100%);
    color: #fff;
    padding: 0;
    position: relative;
    overflow: hidden;
}

.product-hero-bg {
    background: linear-gradient(135deg, #0a1628 0%, #1e3a5f 50%, #0d2137 100%);
    background-size: cover;
    background-position: center;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 82, 217, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 164, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(255, 106, 0, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.product-hero-bg .container {
    position: relative;
    z-index: 2;
}

/* 面包�?*/
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 40px;
    font-size: 14px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb a:hover {
    color: #fff;
}

.breadcrumb .separator {
    color: rgba(255, 255, 255, 0.4);
}

.breadcrumb .current {
    color: #fff;
}

/* Hero内容 */
.product-hero-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 60px;
    align-items: center;
}

.product-hero-text {
    max-width: 600px;
}

.product-badge {
    display: inline-block;
    background: rgba(0, 82, 217, 0.3);
    border: 1px solid rgba(0, 82, 217, 0.5);
    color: #fff;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.product-hero-title {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.2;
}

.product-hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 16px;
}

.product-hero-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 32px;
}

/* Hero统计 */
.product-hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 32px;
}

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

.hero-stat-value {
    display: block;
    font-size: 32px;
    font-weight: 600;
    color: #FF6A00;
}

.hero-stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* Hero操作按钮 */
.product-hero-actions {
    display: flex;
    gap: 16px;
}

/* Hero视觉卡片 */
.product-hero-visual {
    display: flex;
    justify-content: center;
}

.product-visual-card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.visual-icon {
    width: 200px;
    height: 200px;
    margin: 0 auto 20px;
}

.visual-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.visual-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.visual-value {
    font-size: 18px;
    font-weight: 500;
    color: #00A4FF;
}

/* ===== 核心数据区域 ===== */
.product-stats-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.stats-grid-4,
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-card,
.stat-item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover,
.stat-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.stat-icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    color: var(--primary-color);
}

.stat-icon svg {
    width: 100%;
    height: 100%;
}

.stat-content {
    flex: 1;
}

.stat-number,
.stat-value {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 8px;
}

.stat-unit {
    font-size: 20px;
    font-weight: 400;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.stat-desc {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 4px;
}

/* ===== 产品介绍区域 ===== */
.product-intro-section,
.intro-section {
    padding: 100px 0;
    background: var(--bg-white);
}

/* 通用section标题 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header.center {
    text-align: center;
}

.section-title {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.intro-content {
    max-width: 1000px;
    margin: 0 auto;
}

.intro-text {
    font-size: 16px;
    line-height: 2;
    color: var(--text-secondary);
    margin-bottom: 48px;
}

.intro-text p {
    margin-bottom: 16px;
}

.intro-text strong {
    color: var(--text-primary);
    font-weight: 500;
}

.intro-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.intro-feature {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 28px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.intro-feature:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.intro-feature .feature-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary-color);
}

.intro-feature .intro-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary-color);
}

.intro-feature .feature-icon svg,
.intro-feature .intro-icon svg {
    width: 28px;
    height: 28px;
}

.intro-feature .feature-text h4,
.intro-feature h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.intro-feature .feature-text p,
.intro-feature p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 兼容旧类�?*/
.intro-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.intro-feature-item:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.intro-feature-item .feature-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.intro-feature-item .feature-text h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.intro-feature-item .feature-text p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== 功能特点区域 ===== */
.product-features-section,
.features-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.features-grid.features-grid-2x2 {
    grid-template-columns: repeat(2, 1fr);
    max-width: 900px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.feature-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.feature-card.featured {
    border-color: var(--secondary-color);
    background: linear-gradient(180deg, var(--secondary-light) 0%, var(--bg-white) 100%);
}

.feature-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color) 0%, #FF9A00 100%);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

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

.feature-icon-large {
    width: 56px;
    height: 56px;
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.feature-card-body {
    padding-top: 8px;
}

.feature-card-body p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    position: relative;
    padding-left: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.6;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-color);
}

.featured-badge {
    display: inline-block;
    background: var(--secondary-color);
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 4px;
    margin-left: auto;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-tags .tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-color);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
}

.feature-card.featured .feature-tags .tag {
    background: var(--secondary-light);
    color: var(--secondary-color);
}

/* ===== 识别内容区域 ===== */
.recognition-section {
    padding: 100px 0;
}

.recognition-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.recognition-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 20px;
    text-align: center;
    transition: var(--transition);
}

.recognition-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.recognition-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
}

.recognition-card h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.recognition-card p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ===== 应用场景区域 ===== */
/* ===== 应用场景 - 全新流程设计 ===== */
.scenarios-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.scenarios-section .section-title {
    color: #fff;
}

.scenarios-section .section-subtitle {
    color: rgba(255,255,255,0.7);
}

.scenarios-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0A1628 0%, #0D2137 40%, #122A4F 100%);
    z-index: 0;
}

.scenarios-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 70% 30%, rgba(0,82,217,0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 20% 80%, rgba(255,106,0,0.08) 0%, transparent 50%);
}

.scenarios-section .container {
    position: relative;
    z-index: 1;
}

.scenarios-flow {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.scenario-flow-card {
    display: flex;
    align-items: stretch;
    gap: 0;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.scenario-flow-card:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(0,82,217,0.4);
    transform: translateX(8px);
    box-shadow: 0 8px 32px rgba(0,82,217,0.15);
}

.scenario-flow-index {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    min-height: 120px;
    font-size: 32px;
    font-weight: 800;
    color: rgba(0,82,217,0.3);
    background: rgba(0,82,217,0.08);
    flex-shrink: 0;
    letter-spacing: -1px;
}

.scenario-flow-card:hover .scenario-flow-index {
    color: rgba(0,82,217,0.6);
}

.scenario-flow-body {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 28px 32px;
}

.scenario-flow-icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    color: #4A9EFF;
}

.scenario-flow-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 6px;
}

.scenario-flow-content p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255,255,255,0.6);
}

.scenario-flow-tags {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 0 32px;
    flex-shrink: 0;
}

.scenario-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    font-size: 12px;
    font-weight: 500;
    color: #FF6A00;
    background: rgba(255,106,0,0.1);
    border: 1px solid rgba(255,106,0,0.25);
    border-radius: 20px;
    white-space: nowrap;
}

/* 连接�?*/
.scenario-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 32px;
    position: relative;
}

.connector-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(180deg, rgba(0,82,217,0.3), rgba(0,82,217,0.1));
}

.connector-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #0052D9;
    box-shadow: 0 0 8px rgba(0,82,217,0.5);
    flex-shrink: 0;
}

/* ===== 技术优势区�?- 全新设计 ===== */
.advantages-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}

.advantages-new-grid {
    display: grid;
    grid-template-columns: 1fr 380px 1fr;
    gap: 32px;
    align-items: center;
}

/* 左右两侧卡片 */
.advantages-left,
.advantages-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.advantage-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    /* 滚动动画：默认隐藏，JS添加.in-view后显�?*/
    opacity: 0;
    transform: translateY(20px);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.advantage-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 32px rgba(0, 82, 217, 0.12);
    transform: translateX(8px);
}

.advantage-card:hover::before {
    transform: scaleY(1);
}

.advantages-right .advantage-card:hover {
    transform: translateX(-8px);
}

.advantage-icon-wrapper {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    color: var(--primary-color);
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.advantage-card:hover .advantage-icon-wrapper {
    background: var(--primary-color);
    color: #fff;
}

.advantage-icon-wrapper svg {
    width: 28px;
    height: 28px;
}

.advantage-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.advantage-content p {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin: 0;
}

/* 不同卡片的颜色变�?*/
.advantage-card-2 .advantage-icon-wrapper {
    color: #00A4FF;
    background: rgba(0, 164, 255, 0.1);
}
.advantage-card-2:hover .advantage-icon-wrapper {
    background: #00A4FF;
    color: #fff;
}

.advantage-card-3 .advantage-icon-wrapper {
    color: #52C41A;
    background: rgba(82, 196, 26, 0.1);
}
.advantage-card-3:hover .advantage-icon-wrapper {
    background: #52C41A;
    color: #fff;
}

.advantage-card-4 .advantage-icon-wrapper {
    color: #722ED1;
    background: rgba(114, 46, 209, 0.1);
}
.advantage-card-4:hover .advantage-icon-wrapper {
    background: #722ED1;
    color: #fff;
}

.advantage-card-5 .advantage-icon-wrapper {
    color: #FA8C16;
    background: rgba(250, 140, 22, 0.1);
}
.advantage-card-5:hover .advantage-icon-wrapper {
    background: #FA8C16;
    color: #fff;
}

.advantage-card-6 .advantage-icon-wrapper {
    color: #FF6A00;
    background: rgba(255, 106, 0, 0.1);
}
.advantage-card-6:hover .advantage-icon-wrapper {
    background: #FF6A00;
    color: #fff;
}

/* 中心大卡�?*/
.advantage-center {
    display: flex;
    justify-content: center;
}

.advantage-main-card {
    width: 340px;
    background: linear-gradient(135deg, #FF6A00 0%, #FF9A00 100%);
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(255, 106, 0, 0.3);
}

.main-card-bg {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.main-card-content {
    position: relative;
    z-index: 2;
}

.main-card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    color: #fff;
}

.main-card-icon svg {
    width: 100%;
    height: 100%;
}

.advantage-main-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
}

.main-card-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.main-card-stats .stat {
    text-align: center;
}

.main-card-stats .stat-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
}

.main-card-stats .stat-label {
    font-size: 12px;
    opacity: 0.8;
    margin-top: 4px;
}

.advantage-main-card p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.95;
    margin: 0;
}

/* ===== 服务案例区域 ===== */
.cases-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.case-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.case-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.case-card .case-video {
    border-radius: 0;
    box-shadow: none;
}

.case-card .case-content {
    padding: 24px;
}

.case-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.case-card p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
}

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

.case-single {
    max-width: 1000px;
    margin: 0 auto;
}

.case-card-full {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.case-card-full .case-video {
    border-radius: 0;
    box-shadow: none;
}

.case-card-full .case-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-card-full h4 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.case-card-full p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.case-video {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.case-video video {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}

.video-placeholder {
    text-align: center;
    color: var(--text-secondary);
}

.video-placeholder svg {
    width: 80px;
    height: 80px;
    margin-bottom: 16px;
}

.video-placeholder p {
    font-size: 14px;
}

.case-desc h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.case-desc p {
    font-size: 15px;
    line-height: 2;
    color: var(--text-secondary);
}

.case-stats {
    display: flex;
    gap: 16px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.case-stat {
    text-align: center;
    padding: 16px;
    background: var(--bg-light);
    border-radius: 8px;
    flex: 1;
    min-width: 100px;
}

.case-stat-num {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
}

.case-stat-label {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 4px;
}

/* ===== CTA区域 ===== */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #0052D9 0%, #00A4FF 100%);
    text-align: center;
    color: #fff;
}

.cta-content h2 {
    font-size: 40px;
    font-weight: 600;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
}

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

.cta-actions .btn-primary {
    background: #fff;
    color: var(--primary-color);
}

/* ===== 无人机子系统区域 ===== */
.drone-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.drone-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.drone-badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 16px;
}

.drone-info h2 {
    font-size: 32px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.drone-desc {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.drone-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.drone-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.drone-feature-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.drone-feature-icon svg {
    width: 24px;
    height: 24px;
}

.drone-feature-text h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.drone-feature-text p {
    font-size: 14px;
    color: var(--text-secondary);
}

.drone-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.drone-image-placeholder {
    width: 300px;
    height: 300px;
    background: var(--bg-white);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.drone-image-placeholder svg {
    width: 200px;
    height: 200px;
}

.drone-image-placeholder p {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== 安全问题检�?===== */
.safety-detection {
    margin-top: 60px;
    padding: 40px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.detection-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
    text-align: center;
}

.detection-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.detection-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: #FFF7E6;
    border-radius: var(--radius-md);
    border: 1px solid #FFD591;
}

.detection-icon.warning {
    width: 32px;
    height: 32px;
    color: #FA8C16;
    flex-shrink: 0;
}

.detection-icon.warning svg {
    width: 100%;
    height: 100%;
}

.detection-item span {
    font-size: 14px;
    color: #AD6800;
    font-weight: 500;
}

/* ===== 支持车型 ===== */
.car-types {
    margin-top: 60px;
}

.types-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
    text-align: center;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 16px;
}

.type-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 12px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.type-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.type-icon {
    width: 48px;
    height: 48px;
    color: var(--primary-color);
}

.type-icon svg {
    width: 100%;
    height: 100%;
}

.type-item span {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 500;
}

.cta-actions .btn-outline {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}

.cta-actions .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* ===== 响应�?===== */
@media (max-width: 1200px) {
    .product-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .product-hero-visual {
        display: none;
    }
    
    .product-hero-stats {
        justify-content: center;
    }
    
    .product-hero-actions {
        justify-content: center;
    }
    
    .stats-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .recognition-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .product-hero {
        margin-top: 70px;
    }
    
    .product-hero-bg {
        min-height: 100vh;
        padding: 100px 20px 80px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .product-hero-bg .container {
        padding: 0;
        width: 100%;
    }
    
    .product-hero-title {
        font-size: 32px;
    }
    
    .product-hero-subtitle {
        font-size: 16px;
    }
    
    .product-hero-stats {
        flex-wrap: wrap;
        gap: 24px;
    }
    
    .hero-stat {
        flex: 1;
        min-width: 80px;
    }
    
    .stats-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .intro-features {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .recognition-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 应用场景响应�?- 768px */
    .scenario-flow-card {
        flex-direction: column;
    }
    
    .scenario-flow-index {
        width: 100%;
        min-height: 48px;
        font-size: 20px;
    }
    
    .scenario-flow-body {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }
    
    .scenario-flow-tags {
        justify-content: center;
        padding: 0 20px 20px;
    }
    
    .scenario-connector {
        height: 20px;
    }
    
    /* 技术优势响应式 */
    .advantages-new-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .advantages-left,
    .advantages-right {
        order: 2;
    }
    
    .advantage-center {
        order: 1;
    }
    
    .advantage-main-card {
        width: 100%;
        max-width: 340px;
    }
    
    .advantage-card {
        padding: 20px;
    }
    
    .advantage-card:hover {
        transform: none;
    }
    
    .advantages-right .advantage-card:hover {
        transform: none;
    }
    
    .case-content {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 28px;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    /* 无人机响应式 */
    .drone-content {
        grid-template-columns: 1fr;
    }
    
    .drone-visual {
        order: -1;
    }
    
    .drone-image-placeholder {
        width: 240px;
        height: 240px;
    }
    
    /* 安全问题检测响应式 */
    .detection-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 支持车型响应�?*/
    .types-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===== 工作流程区域 ===== */
.workflow-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.workflow-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 60px;
}

.workflow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    max-width: 240px;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0052D9 0%, #00A4FF 100%);
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.step-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-icon {
    width: 64px;
    height: 64px;
    margin-top: 20px;
}

.step-icon svg {
    width: 100%;
    height: 100%;
}

.workflow-arrow {
    flex-shrink: 0;
}

.workflow-arrow svg {
    width: 24px;
    height: 24px;
}

/* ===== 安装位置区域 ===== */
.install-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.install-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.install-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 40px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.install-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.install-visual {
    width: 100%;
    max-width: 200px;
    margin: 0 auto 24px;
}

.install-visual svg {
    width: 100%;
    height: auto;
}

.install-card h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.install-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 工作流程响应�?*/
@media (max-width: 1024px) {
    .workflow-container {
        flex-wrap: wrap;
    }
    
    .workflow-step {
        max-width: 180px;
    }
    
    .workflow-arrow:nth-child(2),
    .workflow-arrow:nth-child(4) {
        display: none;
    }
}

@media (max-width: 768px) {
    .workflow-container {
        flex-direction: column;
        gap: 40px;
    }
    
    .workflow-step {
        max-width: 100%;
    }
    
    .workflow-arrow {
        transform: rotate(90deg);
    }
    
    .install-grid {
        grid-template-columns: 1fr;
    }
    
    /* 核心数据响应�?*/
    .stats-grid,
    .stats-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 功能卡片响应�?*/
    .features-grid,
    .features-grid.features-grid-2x2 {
        grid-template-columns: 1fr;
    }
    
    /* 案例响应�?*/
    .cases-grid,
    .case-card-full {
        grid-template-columns: 1fr;
    }
    
    .case-card-full .case-video-wrap .drone-case-video {
        border-radius: 12px 12px 0 0;
    }
    
    /* 应用场景响应�?- 小屏 */
    .scenario-flow-card {
        flex-direction: column;
    }
    
    .scenario-flow-index {
        width: 100%;
        min-height: 40px;
        font-size: 18px;
    }
    
    .scenario-flow-body {
        flex-direction: column;
        text-align: center;
        padding: 16px;
    }
    
    .scenario-flow-tags {
        justify-content: center;
        padding: 0 16px 16px;
        flex-wrap: wrap;
    }
    
    /* 产品简介响应式 */
    .intro-features {
        grid-template-columns: 1fr;
    }
}

/* ===== 无人机巡检�?- 深色Hero ===== */
.drone-hero {
    position: relative;
    overflow: hidden;
}

.drone-hero-bg {
    background: linear-gradient(135deg, #0A1628 0%, #0D2137 40%, #122A4F 100%);
    padding: 130px 0 80px;
    position: relative;
}

.drone-hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 70% 30%, rgba(0,164,255,0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 20% 80%, rgba(255,106,0,0.08) 0%, transparent 50%);
}

.drone-hero-content {
    display: grid;
    grid-template-columns: 1fr 480px;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.drone-hero-text {
    padding-right: 40px;
}

.drone-badge {
    display: inline-block;
    background: rgba(0,164,255,0.15);
    color: #00A4FF;
    font-size: 13px;
    font-weight: 500;
    padding: 6px 20px;
    border-radius: 20px;
    margin-bottom: 28px;
    border: 1px solid rgba(0,164,255,0.3);
}

.drone-hero-title {
    font-size: 52px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.drone-hero-subtitle {
    font-size: 22px;
    font-weight: 400;
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
}

.drone-hero-desc {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255,255,255,0.6);
    margin-bottom: 36px;
}

.drone-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.drone-stat {
    text-align: center;
    padding: 16px 8px;
    background: rgba(255,255,255,0.06);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
}

.drone-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    display: block;
}

.drone-stat-unit {
    font-size: 14px;
    font-weight: 400;
    color: rgba(255,255,255,0.5);
}

.drone-stat-label {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    margin-top: 4px;
    display: block;
}

.drone-hero-actions {
    display: flex;
    gap: 16px;
}

.drone-hero-visual {
    position: relative;
}

.drone-visual-card {
    background: rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 32px;
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
}

.drone-3d {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
}

.drone-3d svg {
    width: 280px;
    height: 220px;
}

.drone-visual-info {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 16px;
}

.visual-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
    color: #00A4FF;
    background: rgba(0,164,255,0.1);
    border: 1px solid rgba(0,164,255,0.2);
}

/* 面包�?- 深色�?*/
.breadcrumb-light a {
    color: rgba(255,255,255,0.6);
}

.breadcrumb-light a:hover {
    color: #fff;
}

.breadcrumb-light .separator {
    color: rgba(255,255,255,0.3);
}

.breadcrumb-light .current {
    color: rgba(255,255,255,0.8);
}

/* 无人机页面响应式 */
@media (max-width: 1024px) {
    .drone-hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .drone-hero-text {
        padding-right: 0;
    }
    
    .drone-hero-title {
        font-size: 40px;
    }
    
    .drone-hero-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .drone-hero-bg {
        padding: 110px 0 60px;
    }
    
    .drone-hero-title {
        font-size: 32px;
    }
    
    .drone-hero-subtitle {
        font-size: 18px;
    }
    
    .drone-hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .drone-3d svg {
        width: 220px;
        height: 180px;
    }
}


/* ===== wrjj.html 无人机巡检页面专用样式 ===== */

/* Hero区右侧视�?*/
.visual-drone-scene {
    width: 100%;
    background: linear-gradient(135deg, #F0F7FF 0%, #FFFFFF 100%);
    border-radius: 12px;
    padding: 16px;
    overflow: hidden;
}

.drone-svg {
    width: 100%;
    height: auto;
    display: block;
}

.visual-info-row {
    display: flex;
    gap: 16px;
    padding: 12px 4px 4px;
    flex-wrap: wrap;
}

.visual-info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

.visual-info-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* 产品简�?*/
.intro-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    padding: 40px 0 20px;
}

.intro-text-block {
    padding-top: 8px;
}

.intro-main-text {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.intro-main-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.intro-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.intro-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.intro-visual-block {
    padding-top: 8px;
}

.intro-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.intro-stat-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.intro-stat-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.intro-stat-icon {
    margin-bottom: 12px;
}

.intro-stat-icon svg {
    width: 40px;
    height: 40px;
}

.intro-stat-num {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: 4px;
}

.intro-stat-label {
    font-size: 13px;
    color: var(--text-light);
}

/* 核心功能 4�?*/
.features-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 40px 0 20px;
}

.feature-icon-top {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon-top svg {
    width: 32px;
    height: 32px;
}

/* 工作流程 */
.workflow-section {
    background: var(--bg-light);
    padding: 80px 0;
}

.workflow-steps {
    display: flex;
    gap: 0;
    padding: 50px 0 20px;
    position: relative;
}

.workflow-step {
    flex: 1;
    text-align: center;
    padding: 0 20px;
    position: relative;
}

.workflow-step-last .step-arrow {
    display: none;
}

.step-number {
    font-size: 40px;
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
    margin-bottom: 16px;
    font-family: 'Arial Black', sans-serif;
}

.step-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    transition: var(--transition);
}

.workflow-step:hover .step-icon {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.step-icon svg {
    width: 32px;
    height: 32px;
}

.workflow-step h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.workflow-step p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.step-arrow {
    position: absolute;
    right: -10px;
    top: 80px;
    z-index: 2;
    transform: translateY(-50%);
}

.step-arrow svg {
    width: 24px;
    height: 24px;
}

/* 识别内容 3�?*/
.recognition-section {
    padding: 80px 0;
}

.recognition-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding: 40px 0 20px;
}

.recognition-icon-wrap {
    width: 52px;
    height: 52px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.recognition-icon-wrap svg {
    width: 30px;
    height: 30px;
}

.recognition-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    margin-top: 12px;
}

.recognition-status-danger {
    background: #FFF2F0;
    color: #FF4D4F;
    border: 1px solid #FFCCC7;
}

.recognition-status-warn {
    background: #FFF7E6;
    color: #FA8C16;
    border: 1px solid #FFE58F;
}

.recognition-status-info {
    background: #F0F5FF;
    color: #2F54EB;
    border: 1px solid #ADC6FF;
}

.recognition-status-ok {
    background: #F6FFED;
    color: #52C41A;
    border: 1px solid #D9F7BE;
}

/* 技术优�?*/
.advantages-section-alt {
    background: var(--bg-light);
    padding: 80px 0;
}

.advantages-split-layout {
    display: grid;
    grid-template-columns: 1fr 340px 1fr;
    gap: 32px;
    align-items: start;
    padding: 40px 0 20px;
}

.advantages-col {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.advantage-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.advantage-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.advantage-item-icon {
    width: 44px;
    height: 44px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.advantage-item-icon svg {
    width: 24px;
    height: 24px;
}

.advantage-item-text h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.advantage-item-text p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 中心大卡�?*/
.advantages-center-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, #003DAB 100%);
    border-radius: var(--radius-xl);
    padding: 4px;
}

.center-card-inner {
    background: var(--bg-white);
    border-radius: calc(var(--radius-xl) - 4px);
    padding: 40px 28px;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.center-card-icon {
    width: 72px;
    height: 72px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.center-card-icon svg {
    width: 48px;
    height: 48px;
}

.center-card-inner h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.center-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.center-card-stats {
    display: flex;
    gap: 24px;
}

.cstat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.cstat-val {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
}

.cstat-lbl {
    font-size: 12px;
    color: var(--text-light);
}

/* 应用场景 - 深色流程�?*/
.scenarios-section {
    padding: 80px 0;
}

.scenarios-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 40px 0 20px;
}

.scenario-card {
    display: flex;
    align-items: stretch;
    gap: 0;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.scenario-card:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(0,82,217,0.4);
    transform: translateX(8px);
    box-shadow: 0 8px 32px rgba(0,82,217,0.15);
}

.scenario-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    background: rgba(0,82,217,0.08);
    flex-shrink: 0;
}

.scenario-icon-wrap svg {
    width: 30px;
    height: 30px;
    color: #4A9EFF;
}

.scenario-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
}

.scenario-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
    margin-bottom: 16px;
}

.scenario-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255,106,0,0.1);
    color: #FF6A00;
    border: 1px solid rgba(255,106,0,0.25);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

/* 客户案例 */
.cases-section {
    background: var(--bg-light);
    padding: 80px 0;
}

.case-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 40px 0 20px;
}

.case-info-panel {
    padding: 8px 0;
}

.case-badge {
    display: inline-block;
    padding: 4px 16px;
    background: var(--secondary-light);
    color: var(--secondary-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.case-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.4;
}

.case-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
}

.case-stats-row {
    display: flex;
    gap: 32px;
    margin-bottom: 28px;
    padding: 20px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.case-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.case-stat-val {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.case-stat-lbl {
    font-size: 13px;
    color: var(--text-light);
}

.case-visual-panel {
    padding: 8px 0;
}

.case-visual-placeholder {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.case-visual-placeholder svg {
    width: 100%;
    height: auto;
    display: block;
}

/* CTA */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #003DAB 100%);
    padding: 80px 0;
}

.cta-box {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 20px 0;
}

.cta-decoration-left,
.cta-decoration-right {
    position: absolute;
    opacity: 0.5;
}

.cta-decoration-left {
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}

.cta-decoration-right {
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 40px;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* 按钮变体 */
.btn-white {
    background: #fff;
    color: var(--primary-color);
    border: 2px solid #fff;
    border-radius: var(--radius-md);
    padding: 10px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-white:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.btn-outline-white {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.6);
    border-radius: var(--radius-md);
    padding: 10px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
    color: #fff;
    transform: translateY(-1px);
}

/* 产品徽章 */
.product-badge-row {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.product-badge {
    display: inline-block;
    padding: 4px 14px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.product-badge-new {
    background: #FFF0F0;
    color: #FF4D4F;
}

/* Hero 背景装饰 */
.hero-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light) 0%, transparent 70%);
    opacity: 0.5;
}

.decoration-circle-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -200px;
}

.decoration-circle-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
    background: linear-gradient(135deg, var(--secondary-light) 0%, transparent 70%);
}

.decoration-circle-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    right: 20%;
    background: var(--primary-light);
    opacity: 0.2;
}

/* 滚动动画 */
.feature-card,
.recognition-card,
.advantage-item,
.scenario-card,
.scenario-flow-card,
.workflow-step {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.feature-card.in-view,
.recognition-card.in-view,
.advantage-item.in-view,
.advantage-card.in-view,
.scenario-card.in-view,
.scenario-flow-card.in-view,
.workflow-step.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* 响应�?*/
@media (max-width: 1200px) {
    .features-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .advantages-split-layout {
        grid-template-columns: 1fr 1fr;
    }
    .advantages-center-card {
        grid-column: 1 / -1;
    }
    .scenarios-flow {
        gap: 16px;
    }
    .scenario-flow-card {
        gap: 0;
    }
}

@media (max-width: 1024px) {
    .intro-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .case-display {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .workflow-steps {
        flex-wrap: wrap;
    }
    .step-arrow {
        display: none;
    }
}

@media (max-width: 768px) {
    .features-grid-4 {
        grid-template-columns: 1fr;
    }
    .recognition-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .advantages-split-layout {
        grid-template-columns: 1fr;
    }
    .scenario-flow-card {
        flex-direction: column;
    }
    .scenario-flow-body {
        flex-direction: column;
        text-align: center;
    }
    .scenario-flow-tags {
        justify-content: center;
        padding: 0 20px 20px;
        flex-wrap: wrap;
    }
    .cta-content h2 {
        font-size: 28px;
    }
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    .case-stats-row {
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .recognition-grid-3 {
        grid-template-columns: 1fr;
    }
    .center-card-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ===== 客户案例区视频播放器 ===== */
.drone-case-video {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  background: #0a1628;
  box-shadow: 0 8px 32px rgba(0, 82, 217, 0.2);
}
.video-wrap {
  position: relative;
  width: 100%;
  padding-top: 62.5%;
  background: #0a1628;
  overflow: hidden;
}
.video-wrap video {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.video-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(150deg, #0a1628 0%, #0d2340 40%, #061220 100%);
  cursor: pointer;
}
.video-thumb {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.drone-scene-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 50% 60%, rgba(0, 82, 217, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(0, 164, 255, 0.05) 0%, transparent 80%);
}
.drone-scene-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 164, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 164, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}
.drone-scene-camera {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
}
.cam-ring {
  position: absolute;
  width: 80px; height: 80px;
  border: 2px solid rgba(0, 164, 255, 0.4);
  border-radius: 50%;
  animation: cam-pulse 2.5s ease-in-out infinite;
}
.cam-ring::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(0, 164, 255, 0.25);
  border-radius: 50%;
}
.cam-lens {
  width: 48px; height: 48px;
  background: radial-gradient(circle, rgba(0, 164, 255, 0.3) 0%, rgba(0, 82, 217, 0.2) 60%, transparent 100%);
  border: 2px solid rgba(0, 164, 255, 0.6);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.cam-lens::after {
  content: '';
  width: 16px; height: 16px;
  background: rgba(0, 164, 255, 0.4);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(0, 164, 255, 0.6);
}
.cam-crosshair {
  position: absolute;
  width: 120px; height: 120px;
  border: 1px solid rgba(0, 164, 255, 0.2);
  border-radius: 50%;
}
.cam-crosshair::before,
.cam-crosshair::after {
  content: '';
  position: absolute;
  background: rgba(0, 164, 255, 0.3);
}
.cam-crosshair::before {
  top: 50%; left: 0; right: 0;
  height: 1px;
}
.cam-crosshair::after {
  left: 50%; top: 0; bottom: 0;
  width: 1px;
}
@keyframes cam-pulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50%       { transform: scale(1.08); opacity: 0.7; }
}
.drone-scene-hud {
  position: absolute;
  top: 16px; left: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 2;
}
.hud-label {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: rgba(0, 200, 255, 0.7);
  letter-spacing: 2px;
}
.hud-coords {
  font-family: 'Courier New', monospace;
  font-size: 10px;
  color: rgba(0, 200, 255, 0.5);
}
.drone-scene-status {
  position: absolute;
  top: 16px; right: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: rgba(255, 107, 0, 0.9);
  z-index: 2;
}
.rec-dot {
  width: 8px; height: 8px;
  background: #FF4D4F;
  border-radius: 50%;
  animation: rec-blink 1.2s ease-in-out infinite;
}
.status-sep { color: rgba(255, 255, 255, 0.2); }
@keyframes rec-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}
.scan-line-anim {
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0, 200, 255, 0.4), transparent);
  animation: scan-move 3s linear infinite;
  z-index: 1;
}
@keyframes scan-move {
  0%   { top: 0; }
  100% { top: 100%; }
}
.play-btn {
  position: absolute;
  z-index: 3;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 60px; height: 60px;
  background: rgba(255, 255, 255, 0.95);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0052D9;
  box-shadow: 0 4px 20px rgba(0, 82, 217, 0.4), 0 0 0 6px rgba(0, 82, 217, 0.15);
  transition: transform 0.2s, box-shadow 0.2s;
}
.play-btn:hover {
  transform: translate(-50%, -50%) scale(1.08);
  box-shadow: 0 6px 28px rgba(0, 82, 217, 0.5), 0 0 0 8px rgba(0, 82, 217, 0.2);
}
.play-btn svg { margin-left: 0; }
.video-title-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.title-bar-icon { display: flex; align-items: center; }
.title-bar-text {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}
@media (max-width: 768px) {
  .drone-case-video { border-radius: 10px; }
  .play-btn { width: 48px; height: 48px; }
  .play-btn svg { width: 20px; height: 20px; }
  .drone-scene-camera { width: 60px; height: 60px; }
  .cam-ring { width: 60px; height: 60px; }
  .cam-lens { width: 36px; height: 36px; }
}

/* === 应用场景流程卡样�?(2026-04-27 重构) === */
.scenario-flow-card .scenario-flow-tags .scenario-tag {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    background: rgba(255,106,0,0.1);
    color: #FF6A00;
    border: 1px solid rgba(255,106,0,0.25);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

/* 响应式：移动端居�?*/
@media (max-width: 768px) {
    .scenario-flow-card .scenario-flow-content p {
        text-align: center;
    }
}

/* ===== AI智能识别项目模块 - 全新设计 ===== */
.ai-recognition-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

/* Hero区域 - 左右布局 */
.recognition-hero {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.recognition-hero-left {
    padding-right: 20px;
}

.recognition-hero-left .section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, #0052D9 0%, #0039B3 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}

.recognition-hero-left .section-title {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 16px;
    line-height: 1.2;
}

.recognition-hero-left .section-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 32px;
}

/* 统计数据�?*/
.recognition-stats-row {
    display: flex;
    gap: 40px;
}

.recognition-stats-row .stat-item {
    text-align: center;
}

.recognition-stats-row .stat-value {
    display: block;
    font-size: 42px;
    font-weight: 700;
    color: #0052D9;
    line-height: 1;
}

.recognition-stats-row .stat-unit {
    font-size: 20px;
    font-weight: 600;
}

.recognition-stats-row .stat-label {
    display: block;
    font-size: 14px;
    color: #888;
    margin-top: 8px;
}

/* 右侧3D车厢�?*/
.recognition-hero-right {
    position: relative;
}

.train-car-3d {
    background: linear-gradient(135deg, #0d1b2a 0%, #1a2a4a 100%);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 20px 60px rgba(0, 52, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.3);
}

.train-car-svg {
    width: 100%;
    height: auto;
    display: block;
}

/* SVG动画 */
.train-car-svg .detect-marker {
    filter: drop-shadow(0 0 8px currentColor);
}

.train-car-svg .scan-line {
    filter: drop-shadow(0 0 4px #00D4FF);
}

.train-car-svg .detect-box {
    filter: drop-shadow(0 0 6px #00D4FF);
}

/* 状态栏 */
.car-status-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
    padding: 10px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    animation: statusPulse 1.5s ease-in-out infinite;
}

.status-dot-danger {
    background: #FF4D4F;
    box-shadow: 0 0 8px #FF4D4F;
}

.status-dot-success {
    background: #52c41a;
    box-shadow: 0 0 8px #52c41a;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.9); }
}

.status-text {
    font-size: 13px;
    color: #00D4FF;
    font-family: monospace;
}

/* 识别项目网格 */
.recognition-items-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.recognition-item {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid #e8e8e8;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.recognition-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--item-color, #0052D9);
}

.recognition-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    border-color: var(--item-color, #0052D9);
}

/* 项目类型颜色 */
.recognition-item-danger { --item-color: #FF4D4F; }
.recognition-item-warn { --item-color: #FF6A00; }
.recognition-item-info { --item-color: #0052D9; }
.recognition-item-success { --item-color: #52c41a; }

.recognition-item-danger .item-icon { color: #FF4D4F; }
.recognition-item-warn .item-icon { color: #FF6A00; }
.recognition-item-info .item-icon { color: #0052D9; }
.recognition-item-success .item-icon { color: #52c41a; }

/* 项目头部 */
.item-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 12px;
}

.item-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #f0f5ff 0%, #e6edff 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.item-icon svg {
    width: 24px;
    height: 24px;
}

.item-title-group {
    flex: 1;
}

.item-title-group h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0 0 6px;
}

/* 标签 */
.item-badge {
    display: inline-block;
    padding: 3px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 12px;
}

.badge-danger {
    background: #FFF1F0;
    color: #FF4D4F;
}

.badge-warn {
    background: #FFF7E6;
    color: #FF6A00;
}

.badge-info {
    background: #E6F7FF;
    color: #0052D9;
}

.badge-success {
    background: #F6FFED;
    color: #52c41a;
}

/* 项目描述 */
.item-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0 0 16px;
}

/* 项目元数�?*/
.item-meta {
    display: flex;
    gap: 16px;
    padding-top: 12px;
    border-top: 1px dashed #e8e8e8;
}

.meta-accuracy,
.meta-speed {
    font-size: 13px;
    color: #888;
    display: flex;
    align-items: center;
    gap: 4px;
}

.meta-accuracy::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #52c41a;
    border-radius: 50%;
}

.meta-speed::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #0052D9;
    border-radius: 50%;
}

/* 响应�?*/
@media (max-width: 1200px) {
    .recognition-items-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .recognition-hero {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .recognition-hero-left {
        padding-right: 0;
        text-align: center;
    }
    
    .recognition-stats-row {
        justify-content: center;
    }
    
    .recognition-hero-left .section-title {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .ai-recognition-section {
        padding: 60px 0;
    }
    
    .recognition-items-grid {
        grid-template-columns: 1fr;
    }
    
    .recognition-hero-left .section-title {
        font-size: 28px;
    }
    
    .recognition-stats-row {
        gap: 24px;
    }
    
    .recognition-stats-row .stat-value {
        font-size: 32px;
    }
    
    .train-car-3d {
        padding: 16px;
    }
}

/* ===== yycj.html ����ʱ���Ṥ������ ===== */
.workflow-timeline-section {
    padding: 100px 0;
    background: var(--bg-white);
    overflow: hidden;
}

.timeline-wrapper {
    position: relative;
    max-width: 900px;
    margin: 60px auto 0;
    padding: 0 20px;
}

/* ����ʱ���� */
.timeline-center-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    background: linear-gradient(to bottom,
        var(--primary-light) 0%,
        var(--primary-color) 30%,
        var(--primary-color) 70%,
        var(--primary-light) 100%);
    border-radius: 2px;
}

/* ʱ���Ჽ�� */
.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 48px;
    position: relative;
    /* �������� */
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.timeline-item.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* ���ҽ��� */
.timeline-left {
    flex-direction: row;
}

.timeline-right {
    flex-direction: row-reverse;
}

/* �ڵ�Բ�� */
.timeline-node {
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    width: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, #003DAB 100%);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 82, 217, 0.3);
}

/* ���ݿ�Ƭ */
.timeline-content {
    flex: 1;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    max-width: 360px;
    transition: var(--transition);
    position: relative;
}

.timeline-content:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.timeline-left .timeline-content {
    margin-right: 20px;
    border-left: 3px solid var(--primary-color);
}

.timeline-right .timeline-content {
    margin-left: 20px;
    border-right: 3px solid var(--primary-color);
}

.timeline-left .timeline-content:hover {
    transform: translateX(4px);
}

.timeline-right .timeline-content:hover {
    transform: translateX(-4px);
}

/* ����ͼ�� */
.timeline-icon-wrap {
    width: 44px;
    height: 44px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

.timeline-icon-wrap svg {
    width: 28px;
    height: 28px;
}

.timeline-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 14px;
}

/* ��ǩ�� */
.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tl-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.tl-tag-blue {
    background: var(--primary-light);
    color: var(--primary-color);
}

.tl-tag-green {
    background: #F6FFED;
    color: #52C41A;
}

.tl-tag-red {
    background: #FFF2F0;
    color: #FF4D4F;
}

.tl-tag-orange {
    background: #FFF7E6;
    color: #FA8C16;
}

.tl-tag-gray {
    background: var(--bg-light);
    color: var(--text-light);
}

/* ===== yycj.html AIʶ������Ŀ �������� ===== */
.recognition-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.recognition-item.in-view {
    opacity: 1;
    transform: translateY(0);
}

.install-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.install-card.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* ===== yycj.html ��Ӧʽ ===== */
@media (max-width: 768px) {
    .timeline-center-line {
        left: 24px;
        transform: none;
    }

    .timeline-item {
        flex-direction: column !important;
        padding-left: 60px;
    }

    .timeline-node {
        position: absolute;
        left: 0;
        width: 48px;
        justify-content: flex-start;
    }

    .timeline-content {
        max-width: 100% !important;
        margin: 0 !important;
    }

    .timeline-left .timeline-content,
    .timeline-right .timeline-content {
        border-left: 3px solid var(--primary-color) !important;
        border-right: none !important;
        transform: none !important;
    }

    .recognition-hero {
        grid-template-columns: 1fr;
    }

    .recognition-hero-right {
        order: -1;
    }

    .recognition-items-grid {
        grid-template-columns: 1fr;
    }
}