/* 财数天梯网 - 首页专用样式 */
/* 橙色色调配色方案 */

:root {
    --primary: #fa8c16;
    --primary-dark: #d46b00;
    --primary-light: #ffd591;
    --primary-bg: #fff7e6;
    --text-dark: #873800;
    --text-muted: #995a26;
}

/* 英雄区域 - 橙色风格 */
.hero {
    background: #ffffff;
    color: #262626;
    padding: 80px 0;
    min-height: 500px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #ffeccc;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.hero h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    font-weight: normal;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    color: #595959;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-large {
    padding: 12px 28px;
    font-size: 14px;
    border-radius: 6px;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: #ff9f40;
}

.btn-secondary {
    background: #ffffff;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary-bg);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    max-width: 500px;
    height: 350px;
    background: linear-gradient(135deg, #fff7e6 0%, #ffe0b2 100%);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 5rem;
}

.image-placeholder p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 400px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed rgba(255, 255, 255, 0.3);
}

.image-placeholder i {
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 1rem;
}

.image-placeholder p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
}

/* 平台定位 */
.positioning {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 3rem;
}

.positioning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.position-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.position-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(250, 140, 22, 0.2);
}

.position-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #fa8c16 0%, #d46b00 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.position-card h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.position-card p {
    color: #666;
    line-height: 1.6;
    font-size: 1.1rem;
}

/* 核心功能 */
.features {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid #eee;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(250, 140, 22, 0.15);
    border-color: var(--primary);
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.feature-header i {
    font-size: 2rem;
    color: var(--primary);
    background: var(--primary-bg);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-header h3 {
    font-size: 1.3rem;
    color: var(--primary-dark);
    margin: 0;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    flex: 1;
}

.feature-list li {
    padding: 0.5rem 0;
    color: #555;
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li:before {
    content: "✓";
    color: var(--primary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: bold;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary);
    border-radius: 5px;
    transition: all 0.3s;
    text-align: center;
    justify-content: center;
}

.feature-link:hover {
    background: var(--primary);
    color: white;
}

/* 数据优势 */
.data-advantages {
    padding: 60px 0;
    background: linear-gradient(135deg, #fff7e6 0%, #ffe0b2 100%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.advantage-item {
    padding: 2rem;
}

.advantage-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.advantage-text {
    font-size: 1.2rem;
    color: var(--text-dark);
    font-weight: 500;
}

/* 使用场景 */
.use-cases {
    padding: 80px 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.case-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--primary);
    transition: transform 0.3s;
}

.case-card:hover {
    transform: translateY(-5px);
}

.case-card h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.case-card h3 i {
    color: var(--primary);
}

.case-card p {
    color: #666;
    line-height: 1.6;
}

/* CTA区域 */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #d46b00 0%, #fa8c16 100%);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.cta p {
    font-size: 1.2rem;
    color: #fff3e0;
    margin-bottom: 2.5rem;
}

.cta-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 页脚调整 */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #fff3e0;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .image-placeholder {
        width: 300px;
        height: 250px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 60px 0;
        min-height: auto;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .positioning-grid,
    .features-grid,
    .advantages-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.position-card,
.feature-card,
.case-card {
    animation: fadeInUp 0.6s ease-out;
}

.position-card:nth-child(2) {
    animation-delay: 0.2s;
}

.position-card:nth-child(3) {
    animation-delay: 0.4s;
}

.feature-card:nth-child(2) {
    animation-delay: 0.1s;
}

.feature-card:nth-child(3) {
    animation-delay: 0.2s;
}

.feature-card:nth-child(4) {
    animation-delay: 0.3s;
}