:root {
    --primary: #1a73e8;
    --primary-dark: #0d5bbb;
    --secondary: #00c9a7;
    --accent: #7b1fa2;
    --dark: #0f172a;
    --darker: #0a0f1c;
    --light: #f8fafc;
    --gray: #64748b;
    --border: #334155;
}

/* 内容容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--darker) 100%);
    color: white;
    padding: 80px 0 80px;
    position: relative;
    overflow: hidden;
    margin-top: 0;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(26, 115, 232, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 201, 167, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(123, 31, 162, 0.1) 0%, transparent 50%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.2rem;
    margin-bottom: 24px;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(135deg, #fff 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    color: #cbd5e1;
}

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

/* 按钮样式 */
.btn {
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    border: none;
    font-size: 15px;
}

.btn-outline {
    border: 1.5px solid white;
    color: white;
    background: transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(26, 115, 232, 0.4);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
}

.btn-light {
    background: white;
    color: var(--primary);
    font-weight: 600;
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 255, 255, 0.3);
}

.btn-transparent {
    background: transparent;
    color: white;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-transparent:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* 内容区域样式 */
.section {
    padding: 90px 0;
    background-color: var(--darker);
    color: var(--light);
}

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

.section-title h2 {
    font-size: 2.4rem;
    color: var(--light);
    margin-bottom: 18px;
    position: relative;
    display: inline-block;
}

.section-title h2:after {
    content: '';
    position: absolute;
    width: 70px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-title p {
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* 左右图文布局 */
.feature-block {
    display: flex;
    align-items: center;
    margin-bottom: 100px;
    gap: 60px;
}

.feature-block:nth-child(even) {
    flex-direction: row-reverse;
}

.feature-text {
    flex: 1;
}

.feature-text h3 {
    font-size: 1.9rem;
    margin-bottom: 22px;
    color: var(--light);
    line-height: 1.3;
}

.feature-text p {
    margin-bottom: 22px;
    color: var(--gray);
    font-size: 1.05rem;
}

.feature-list {
    list-style: none;
    margin-bottom: 30px;
}

.feature-list li {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.feature-list li i {
    color: var(--secondary);
    margin-top: 4px;
    flex-shrink: 0;
}

.feature-image {
    flex: 1;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
    transition: transform 0.5s, box-shadow 0.5s;
    border: 1px solid var(--border);
}

.feature-image:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 40px rgba(0, 0, 0, 0.35);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
}

.feature-image:hover img {
    transform: scale(1.05);
}

/* 技术架构区域 */
.tech-architecture {
    background-color: rgba(15, 23, 42, 0.6);
    border-radius: 16px;
    padding: 60px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    margin-top: 40px;
    border: 1px solid var(--border);
}

.architecture-title {
    text-align: center;
    margin-bottom: 50px;
}

.architecture-title h3 {
    font-size: 1.8rem;
    color: var(--light);
    margin-bottom: 15px;
}

.architecture-title p {
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

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

.tech-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 12px;
    background: rgba(30, 41, 59, 0.5);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border);
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    background: rgba(30, 41, 59, 0.8);
}

.tech-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 28px;
}

.tech-item h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--light);
}

.tech-item p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* 数据大屏区域 */
.data-dashboard {
    margin: 80px 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    border: 1px solid var(--border);
}

.dashboard-header {
    background: rgba(15, 23, 42, 0.9);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.dashboard-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--light);
}

.dashboard-controls {
    display: flex;
    gap: 15px;
}

.control-btn {
    padding: 8px 16px;
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--gray);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
}

.control-btn:hover {
    background: var(--primary);
    color: white;
}

.dashboard-content {
    background: #0f172a;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.dashboard-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
}

.dashboard-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.2) 0%, transparent 50%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dashboard-text {
    text-align: center;
    max-width: 600px;
    padding: 0 20px;
}

.dashboard-text h3 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: white;
}

.dashboard-text p {
    font-size: 1.1rem;
    color: #e2e8f0;
    margin-bottom: 30px;
}

/* 数据源整合区域 */
.data-integration {
    background: rgba(15, 23, 42, 0.6);
    border-radius: 16px;
    padding: 60px 40px;
    border: 1px solid var(--border);
}

.integration-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    overflow: hidden;
    background: rgba(30, 41, 59, 0.5);
}

.integration-table th {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 18px 15px;
    text-align: left;
    font-weight: 600;
}

.integration-table td {
    padding: 16px 15px;
    border-bottom: 1px solid var(--border);
    color: #cbd5e1;
}

.integration-table tr:last-child td {
    border-bottom: none;
}

.integration-table tr:nth-child(even) {
    background-color: rgba(15, 23, 42, 0.3);
}

.integration-table tr:hover {
    background-color: rgba(26, 115, 232, 0.1);
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status.active {
    background: rgba(0, 201, 167, 0.15);
    color: var(--secondary);
}

.status.pending {
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
}

/* CTA区域 */
.cta {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    text-align: center;
    padding: 80px 0;
    border-radius: 16px;
    margin-top: 40px;
    position: relative;
    overflow: hidden;
}

.cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000" preserveAspectRatio="none"><path fill="rgba(255,255,255,0.05)" d="M0,0 L1000,0 L1000,1000 L0,1000 Z"></path></svg>');
}

.cta h2 {
    font-size: 2.3rem;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.cta p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-block {
        flex-direction: column;
        gap: 40px;
    }
    
    .feature-block:nth-child(even) {
        flex-direction: column;
    }
    
    .hero h1 {
        font-size: 2.7rem;
    }
    
    .section-title h2 {
        font-size: 2.2rem;
    }
    
    .feature-text h3 {
        font-size: 1.7rem;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .data-integration {
        padding: 40px 20px;
    }
    
    .tech-architecture {
        padding: 40px 20px;
    }
    
    .dashboard-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .dashboard-content {
        height: 300px;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .feature-text h3 {
        font-size: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    /* 表格响应式处理 */
    .integration-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0 60px;
    }
    
    .hero h1 {
        font-size: 1.9rem;
        line-height: 1.3;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section {
        padding: 70px 0;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .feature-text h3 {
        font-size: 1.4rem;
    }
    
    .dashboard-content {
        height: 250px;
    }
    
    .dashboard-text h3 {
        font-size: 1.8rem;
    }
    
    .tech-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .tech-item h4 {
        font-size: 1.2rem;
    }
    
    .cta h2 {
        font-size: 2rem;
    }
    
    .cta p {
        font-size: 1.1rem;
    }
}

@media (max-width: 375px) {
    .hero h1 {
        font-size: 1.7rem;
    }
    
    .section-title h2 {
        font-size: 1.6rem;
    }
    
    .feature-text h3 {
        font-size: 1.3rem;
    }
    
    .dashboard-content {
        height: 200px;
    }
    
    .dashboard-text h3 {
        font-size: 1.6rem;
    }
    
    .data-integration {
        padding: 30px 15px;
    }
    
    .tech-architecture {
        padding: 30px 15px;
    }
    
    .feature-block {
        margin-bottom: 80px;
    }
    
    .container {
        padding: 0 15px;
    }
}