/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1e88e5;
    --primary-dark: #1565c0;
    --primary-light: #e3f2fd;
    --secondary-color: #f5f7fa;
    --text-color: #333;
    --text-light: #666;
    --text-lighter: #999;
    --white: #fff;
    --border-color: #eaeaea;
    --shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.03);
    --light-bg: #f8f9fa;
    --transition: all 0.3s ease;
    --hot-tag-color: #ff4d4f;
}

body {
    font-family: "PingFang SC", "PingFang SC Fallback", "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-color);
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    margin-left: 15px;
}

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

/* 导航栏样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    height: 40px;
    display: flex;
    align-items: center;
}

.logo img {
    height: 70px;
}

.nav {
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    height: 100%;
}

.nav-list li {
    height: 100%;
    display: flex;
    align-items: center;
}

.nav-list a {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 20px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20px;
    right: 20px;
    height: 3px;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary-color);
}

.nav-list a:hover::after,
.nav-list a.active::after {
    transform: scaleX(1);
}

.nav-actions {
    display: flex;
    align-items: center;
}

.nav-login {
    margin-right: 15px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-login:hover {
    color: var(--primary-color);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.nav-mobile-toggle {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    margin-left: 15px;
}

/* 英雄区域样式 */
.hero {
    padding: 0;
    height: 700px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e9f2 100%);
    display: flex;
    align-items: center;
}

.hero-wrapper {
    display: flex;
    align-items: center;
    gap: 140px;
    height: 100%;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    margin-top: 80px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    margin-top: 80px;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.hero-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-btns {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

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

.stat-item {
    background-color: var(--white);
    padding: 20px 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    min-width: 150px;
    text-align: center;
}

.stat-number {

    color: var(--primary-color);
    margin-bottom: 0px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
}

/* 特点区域样式 */
.features {
    padding: 100px 0;
    background-color: var(--white);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 30px;
    border-radius: 8px;
    background-color: var(--secondary-color);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.feature-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-light);
}

/* 模块展示区域样式 */
.modules {
    padding: 100px 0;
    background-color: var(--secondary-color);
}

.module-row {
    display: flex;
    align-items: center;
    margin-bottom: 80px;
    gap: 50px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.module-row.animate {
    opacity: 1;
    transform: translateY(0);
}

.module-row:last-child {
    margin-bottom: 0;
}

.module-row.reverse {
    flex-direction: row-reverse;
}

.module-content,
.module-image {
    flex: 1;
}

.module-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.hot-tag {
    font-size: 0.8rem;
    background-color: var(--hot-tag-color);
    color: var(--white);
    padding: 3px 8px;
    border-radius: 4px;
    margin-left: 10px;
}

.module-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

.module-features {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.module-features li {
    background-color: var(--white);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.module-image {
    border-radius: 8px;
    overflow: hidden;

}

.placeholder-img {
    width: 100%;
    height: 300px;
    background-color: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-lighter);
}

.placeholder-img.no-image::before {
    content: '示例图片';
    font-size: 1.2rem;
    color: var(--text-lighter);
}

/* 技术优势区域样式 */
.advantages {
    padding: 100px 0;
    background-color: var(--white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-item {
    padding: 30px;
    border-radius: 8px;
    background-color: var(--secondary-color);
    height: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.advantage-item.animate {
    opacity: 1;
    transform: translateY(0);
}

.advantage-item h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.advantage-item ul {
    padding-left: 20px;
}

.advantage-item li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 15px;
}

.advantage-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* 客户评价区域样式 */
.testimonials {
    padding: 100px 0;
    background-color: var(--secondary-color);
}

.testimonial-cards {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    overflow-x: auto;
    padding: 10px 5px;
    scroll-behavior: smooth;
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}

.testimonial-cards::-webkit-scrollbar {
    display: none;
}

.testimonial-card {
    flex: 0 0 calc(33.333% - 20px);
    min-width: 300px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 30px;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    position: relative;
}

.testimonial-content p::before {
    content: '"';
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.2;
    position: absolute;
    top: -30px;
    left: -10px;
    font-family: serif;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-light);
}

.author-info {
    flex: 1;
}

.author-name {
    font-weight: 600;
    margin-bottom: 5px;
}

.author-title {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* 客户评价控制按钮和分页 */
.testimonial-pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 30px;
}

.testimonial-controls {
    display: flex;
}

.testimonial-control {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
    color: var(--text-color);
}

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

.testimonial-control.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.testimonial-control.disabled:hover {
    background-color: var(--white);
    color: var(--text-color);
    border-color: var(--border-color);
}

.testimonial-pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.pagination-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-lighter);
    cursor: pointer;
    transition: var(--transition);
}

.pagination-dot.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
}

/* 行动召唤区域样式 */
.cta {
    padding: 100px 0;
    /* background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%); */
    color: #171D26;
    text-align: center;
    background: url(../images/bottom_bg.png) no-repeat center center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

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

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

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

.cta .btn-outline {
    border-color: var(--white);
    color: var(--white);
}

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

/* 页脚区域样式 */
.footer {
    padding: 80px 0 30px;
    background-color: #2c3e50;
    color: var(--white);
}

.footer-main {
    display: flex;
    flex-wrap: wrap;
    font-size: 14px;
    margin-bottom: 50px;
}

.footer-info {
    flex: 0 0 300px;
    margin-right: 60px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo img {
    height: 70px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
}

.contact-item i {
    font-size: 1.2rem;
}

.footer-links {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-col {
    flex: 1;
    min-width: 150px;
    text-align: right;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright p {
    color: rgba(255, 255, 255, 0.5);
}

.social-links {
    display: flex;
    gap: 15px;
}
.copyright{font-size: 14px; font-weight: 400;}
.social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
}

/* 移动导航菜单样式 */
@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 0;
        background-color: var(--white);
        overflow: hidden;
        transition: height 0.3s ease;
        z-index: 999;
    }
    
    .nav.active {
        height: 100vh;
        padding-top: 80px;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        padding: 0;
    }
    
    .nav-list li {
        margin: 15px 0;
    }
    
    .nav-list a {
        font-size: 1.2rem;
    }
    
    .nav-mobile-toggle {
        display: block;
        position: relative;
        z-index: 1000;
    }
}

/* 响应式设计 */
@media (max-width: 992px) {
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero {
        height: auto;
        padding: 100px 0 60px;
    }
    
    .hero-wrapper {
        flex-direction: column;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-image {
        order: -1;
        margin-bottom: 30px;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .module-row {
        flex-direction: column;
        gap: 30px;
    }
    
    .module-row.reverse {
        flex-direction: column;
    }
    
    .module-content, 
    .module-image {
        width: 100%;
    }
    
    .testimonial-card {
        flex: 0 0 calc(50% - 15px);
    }
    
    .footer-main {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-info {
        margin-right: 0;
    }
    
    .nav {
        display: none;
    }
    
    .nav-mobile-toggle {
        display: block;
    }
    
    .nav-login {
        display: none;
    }
    
    .nav-actions .btn {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .stat-item {
        width: calc(50% - 15px);
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        flex: 0 0 100%;
    }
    
    .cta h2 {
        font-size: 2rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .hero-btns {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-outline {
        margin-left: 0;
    }
    
    .stat-item {
        width: 100%;
    }
    
    .module-features {
        flex-direction: column;
    }
    
    .cta {
        padding: 60px 0;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .value-cards {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        padding: 100px 0 60px;
    }
    
    .page-header h1 {
        font-size: 2.4rem;
    }
    
    .page-header p {
        font-size: 1.2rem;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .value-item {
        padding: 30px;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        margin-right: 25px;
    }
    
    .step-content {
        padding: 25px;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-content p {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }
    
    /* 底部模块样式调整 */
    .footer-main {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .footer-info {
        margin-right: 0;
        width: 100%;
    }
    
    .footer-logo {
        display: flex;
        justify-content: center;
        margin-bottom: 15px;
    }
    
    .footer-contact {
        align-items: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
        width: 100%;
    }
    
    .footer-col {
        text-align: center;
        width: 100%;
        min-width: 100%;
    }
    
    .footer-col ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .footer-col ul li {
        margin: 5px 10px;
    }
    
    .footer-col ul li a:hover {
        padding-left: 0;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* 通用页面头部样式 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 100px 0 60px;
    text-align: center;
    margin-top: 70px;
    margin-bottom: 0;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* 页面通用样式 */
.value-section {
    padding: 100px 0;
}

.value-section:nth-child(odd) {
    background-color: var(--white);
}

.value-section:nth-child(even) {
    background-color: var(--secondary-color);
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 1.3rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 价值概述卡片 */
.value-overview {
    padding: 80px 0 100px;
    background-color: var(--white);
}

.value-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.value-card {
    background-color: var(--white);
    border-radius: 16px;
    padding: 50px 30px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
    transition: all 0.5s ease;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.03);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.value-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    border-color: rgba(30, 136, 229, 0.2);
}

.value-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: rgba(30, 136, 229, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    transition: all 0.5s ease;
}

.value-card:hover .value-icon {
    background-color: rgba(30, 136, 229, 0.1);
}

.value-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.value-card h3 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
}

.value-card p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* 详细价值点 */
.value-details {
    padding: 100px 0;
    background-color: var(--secondary-color);
}

.value-item {
    background-color: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
    transition: all 0.5s ease;
    border-left: 0px solid var(--primary-color);
    overflow: hidden;
    position: relative;
}

.value-item:hover {
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    transform: translateX(10px);
}

.value-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0px;
    height: 100%;
    background-color: var(--primary-color);
    opacity: 0.7;
}

.value-item-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.value-item-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(30, 136, 229, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 30px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.value-item:hover .value-item-icon {
    background-color: rgba(30, 136, 229, 0.15);
}

.value-item-icon i {
    font-size: 2.2rem;
    color: var(--primary-color);
}

.value-item-header h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    line-height: 1.3;
}

.value-item-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.value-item-content li {
    position: relative;
    padding-left: 35px;
    margin-bottom: 0;
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.6;
}

.value-item-content li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 12px;
    height: 12px;
    background-color: var(--primary-color);
    border-radius: 50%;
    opacity: 0.8;
}

/* 客户价值案例 */
.value-cases {
    padding: 100px 0;
    background-color: var(--white);
}

.case-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
    margin-top: 30px;
}

.case-card {
    display: flex;
    background-color: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
    transition: all 0.5s ease;
    border: 1px solid rgba(0, 0, 0, 0.03);
    height: 100%;
}

.case-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    border-color: rgba(30, 136, 229, 0.2);
}

.case-logo {
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(30, 136, 229, 0.03);
    padding: 0px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.case-card:hover .case-logo {
    background-color: rgba(30, 136, 229, 0.08);
}

.case-content {
    padding: 40px;
    flex: 1;
}

.case-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
}

.case-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.7;
}

.case-stats {
    display: flex;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 25px;
}

.case-stat {
    flex: 1;
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 400;
}

/* 价值实现路径 */
.value-path {
    padding: 100px 0;
    background-color: var(--secondary-color);
    position: relative;
}

.path-steps {
    position: relative;
    max-width: 900px;
    margin: 60px auto 0;
}

.path-steps:before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 29px;
    width: 4px;
    background-color: var(--primary-color);
    opacity: 0.2;
}

.path-step {
    display: flex;
    margin-bottom: 60px;
    position: relative;
}

.path-step:last-child {
    margin-bottom: 0;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    margin-right: 40px;
    flex-shrink: 0;
    z-index: 1;
    box-shadow: 0 8px 20px rgba(30, 136, 229, 0.3);
    transition: all 0.3s ease;
}

.path-step:hover .step-number {
    transform: scale(1.1);
}

.step-content {
    background-color: var(--white);
    border-radius: 16px;
    padding: 35px 40px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
    flex: 1;
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: all 0.5s ease;
}

.path-step:hover .step-content {
    transform: translateX(10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
    border-color: rgba(30, 136, 229, 0.15);
}

.step-content h3 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

.step-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin: 0;
    line-height: 1.7;
}

/* 价值咨询区域 */
.value-cta {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.value-cta:before {
    content: '';
    position: absolute;
    top: -80px;
    left: -80px;
    width: 300px;
    height: 300px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.value-cta:after {
    content: '';
    position: absolute;
    bottom: -120px;
    right: -120px;
    width: 400px;
    height: 400px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 25px;
    line-height: 1.3;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 50px;
    opacity: 0.9;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta-buttons .btn {
    padding: 18px 40px;
    font-size: 1.2rem;
    font-weight: 500;
    margin: 0 15px;
    border-radius: 8px;
    transition: all 0.4s ease;
}

.cta-buttons .btn-primary {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--white);
}

.cta-buttons .btn-primary:hover {
    background-color: transparent;
    color: var(--white);
}

.cta-buttons .btn-outline {
    border: 2px solid #1e88e5;
    background-color: transparent;
    color: var(--primary-color);
}

.cta-buttons .btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-color);
    border-color: var(--white);
}

/* 响应式设计调整 */
@media (max-width: 1200px) {
    .value-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .page-header h1 {
        font-size: 3.5rem;
    }
    
    .section-header h2 {
        font-size: 2.8rem;
    }
}

@media (max-width: 992px) {
    .value-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .case-cards {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        padding: 120px 0 80px;
    }
    
    .page-header h1 {
        font-size: 3rem;
    }
    
    .section-header h2 {
        font-size: 2.5rem;
    }
    
    .value-item-content ul {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .value-item-header {
        flex-direction: column;
        text-align: center;
    }
    
    .value-item-icon {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .case-card {
        flex-direction: column;
    }
    
    .case-logo {
        width: 100%;
        height: auto;
        padding: 40px;
    }
    
    .path-steps:before {
        left: 30px;
    }
    
    .cta-content h2 {
        font-size: 2.2rem;
    }
    
    .cta-buttons .btn {
        display: block;
        width: 100%;
        margin: 0 0 20px 0;
        padding: 15px 30px;
    }
    
    .value-section,
    .value-overview,
    .value-details,
    .value-cases,
    .value-path {
        padding: 80px 0;
    }
    
    .section-header {
        margin-bottom: 50px;
    }
}

@media (max-width: 576px) {
    .value-cards {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        padding: 100px 0 60px;
    }
    
    .page-header h1 {
        font-size: 2.4rem;
    }
    
    .page-header p {
        font-size: 1.2rem;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .value-item {
        padding: 30px;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        margin-right: 25px;
    }
    
    .step-content {
        padding: 25px;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-content p {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }
    
    /* 底部模块样式调整 */
    .footer-main {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .footer-info {
        margin-right: 0;
        width: 100%;
    }
    
    .footer-logo {
        display: flex;
        justify-content: center;
        margin-bottom: 15px;
    }
    
    .footer-contact {
        align-items: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
        width: 100%;
    }
    
    .footer-col {
        text-align: center;
        width: 100%;
        min-width: 100%;
    }
    
    .footer-col ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .footer-col ul li {
        margin: 5px 10px;
    }
    
    .footer-col ul li a:hover {
        padding-left: 0;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* 系统特色 */
.system-features {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.features-wrapper {
    display: flex;
    margin-top: 50px;
    padding: 10px;
    gap: 40px;
    align-items: flex-start;
    background: url('../images/index_banner_bg.png') no-repeat center center;
}

.features-tabs {
    width: 30%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-tab {
    display: flex;
    align-items: flex-start;
    padding: 20px;
    border-radius: 10px;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 0px solid transparent;

}



.feature-tab.active {
    background-color: rgba(255, 255, 255, 0.9);
    border-left: 0px solid var(--primary-color);
}

.tab-icon {
    width: 50px;
    height: 50px;
    background-color: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 1.5rem;
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.feature-tab.active .tab-icon {
    background-color: var(--primary-color);
    color: var(--white);
}

.tab-content {
    flex-grow: 1;
}

.tab-content h3 {
    margin: 0 0 8px;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
}

.tab-content p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.5;
    display: none;
}

.feature-tab.active .tab-content p {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.features-display {
    width: 70%;
    position: relative;
    min-height: 666px;
    /* background-color: var(--white); */
    border-radius: 10px;
    /* box-shadow: var(--shadow); */
    overflow: hidden;
}

.feature-image {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-image.active {
    opacity: 1;
    z-index: 1;
}

.feature-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

@media (max-width: 992px) {
    .features-wrapper {
        flex-direction: column;
    }
    
    .features-tabs, 
    .features-display {
        width: 100%;
    }
    
    .features-display {
        min-height: 350px;
        order: -1;
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .feature-tab {
        padding: 15px;
    }
    
    .tab-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .features-display {
        min-height: 300px;
    }
    
    .tab-content h3 {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .tab-content h3 {
        font-size: 1rem;
    }
    
    .tab-content p {
        font-size: 0.85rem;
    }
}