:root {
    --primary-color: #2B59FF;
    --secondary-color: #27AE60;
    --dark-color: #1A1F36;
    --light-color: #F7F9FC;
    --text-color: #4A5568;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, system-ui, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

.section-padding {
    padding: 20px 0;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏样式 */
nav {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    overflow-x: hidden;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.menu-toggle {
    display: none;
    font-size: 24px;
    color: var(--dark-color);
    cursor: pointer;
    transition: var(--transition);
}

.menu-toggle:hover {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
    list-style: none;
}

.nav-links a {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.contact-btn {
    background: var(--primary-color);
    color: white !important;
    padding: 12px 24px;
    border-radius: var(--border-radius);
}

/* 首页横幅样式优化 */
.hero {
    min-height: 100vh;
    padding: 120px 0 60px;
    background: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 80%;
    background: linear-gradient(45deg, rgba(43, 89, 255, 0.12), transparent);
    border-radius: 50%;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 60%;
    height: 60%;
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.1), transparent);
    border-radius: 50%;
    z-index: 1;
}

.hero-content,
.hero-buttons,
.hero-stats {
    position: relative;
    z-index: 2;
}

/* 添加更多装饰元素 */
.hero-content::before {
    content: '';
    position: absolute;
    top: -200px;
    left: -100px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(43, 89, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
}

.hero-content::after {
    content: '';
    position: absolute;
    top: 50px;
    right: -150px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(39, 174, 96, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
}

/* 添加动态圆点装饰 */
.hero .dots {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    background-image: 
        radial-gradient(circle at 15% 25%, rgba(43, 89, 255, 0.18) 3px, transparent 3px),
        radial-gradient(circle at 85% 15%, rgba(39, 174, 96, 0.15) 2.5px, transparent 2.5px),
        radial-gradient(circle at 25% 75%, rgba(43, 89, 255, 0.12) 2px, transparent 2px),
        radial-gradient(circle at 75% 85%, rgba(39, 174, 96, 0.15) 2.5px, transparent 2.5px),
        radial-gradient(circle at 45% 20%, rgba(43, 89, 255, 0.1) 1.5px, transparent 1.5px),
        radial-gradient(circle at 65% 65%, rgba(39, 174, 96, 0.12) 2px, transparent 2px);
    background-size: 120px 120px, 150px 150px, 100px 100px, 130px 130px, 80px 80px, 110px 110px;
}

/* 添加现代线条装饰 */
.hero .lines {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    background-image: 
        linear-gradient(45deg, transparent 49%, rgba(43, 89, 255, 0.08) 50%, transparent 51%),
        linear-gradient(-45deg, transparent 49%, rgba(39, 174, 96, 0.07) 50%, transparent 51%);
    background-size: 200px 200px, 250px 250px;
    background-position: 0 0, 100px 100px;
    opacity: 0.6;
}

/* 添加小装饰圆圈 */
.hero .small-circles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}

.hero .small-circles::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 10px;
    height: 10px;
    background: rgba(43, 89, 255, 0.35);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 0 10px rgba(43, 89, 255, 0.2);
}

.hero .small-circles::after {
    content: '';
    position: absolute;
    top: 60%;
    right: 15%;
    width: 14px;
    height: 14px;
    background: rgba(39, 174, 96, 0.3);
    border-radius: 50%;
    animation: float 4s ease-in-out infinite reverse;
    box-shadow: 0 0 10px rgba(39, 174, 96, 0.15);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    color: var(--dark-color);
    margin-bottom: 24px;
    font-weight: 700;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-color);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.primary-btn, .secondary-btn {
    padding: 16px 36px;
    border-radius: 30px;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.primary-btn {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 10px 20px rgba(43, 89, 255, 0.2);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(43, 89, 255, 0.3);
}

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

.secondary-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* 数据统计部分 */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 900px;
    width: 100%;
    margin-top: 40px;
    padding: 0 20px;
}

.stat-item {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 700;
}

.stat-item p {
    font-size: 1.1rem;
    color: var(--text-color);
    margin: 0;
}

/* 响应式优化 */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero-stats {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 0 40px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto 40px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stat-item {
        padding: 20px;
        text-align: center;
    }

    .stat-item h3 {
        font-size: 2rem;
    }
}

/* 产品卡片样式 */
.product-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-color);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.card-icon i {
    color: white;
    font-size: 24px;
}

.learn-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    margin-top: 24px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100vw;
        background: white;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        flex-direction: column;
        gap: 15px;
        margin: 0;
        transform: translateX(0);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 10px 0;
        text-align: center;
    }

    .contact-btn {
        width: 100%;
        text-align: center;
        margin-top: 10px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }

    .container {
        width: 100%;
        max-width: 100%;
        padding: 0 20px;
        overflow-x: hidden;
    }

    body {
        overflow-x: hidden;
    }

    .nav-container {
        width: 100%;
        max-width: 100%;
    }
}

/* 产品网格布局 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.08);
}

/* 解决方案样式 */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.solution-item {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
    transition: var(--transition);
    margin-bottom: 20px;
}

.solution-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.08);
}

.solution-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.solution-content {
    padding: 30px;
}

.solution-content h3 {
    color: var(--dark-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.solution-content p {
    color: var(--text-color);
    margin-bottom: 20px;
}

.solution-content ul {
    list-style: none;
}

.solution-content ul li {
    color: var(--text-color);
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
}

.solution-content ul li::before {
    content: '✓';
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* 章节标题样式优化 */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    position: relative;
    padding: 60px 0 20px;
}

.section-subtitle {
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    display: inline-block;
    padding: 5px 15px;
    background: linear-gradient(120deg, rgba(43, 89, 255, 0.1), rgba(39, 174, 96, 0.1));
    border-radius: 20px;
    position: relative;
}

.section-subtitle::before {
    content: '';
    position: absolute;
    width: 30px;
    height: 2px;
    background: var(--primary-color);
    left: -40px;
    top: 50%;
    transform: translateY(-50%);
}

.section-subtitle::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 2px;
    background: var(--primary-color);
    right: -40px;
    top: 50%;
    transform: translateY(-50%);
}

.section-header h2 {
    color: var(--dark-color);
    font-size: 2.5rem;
    margin-bottom: 25px;
    font-weight: 700;
    position: relative;
    padding-bottom: 20px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-header p {
    color: var(--text-color);
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.8;
}

/* 修改响应式部分的section-subtitle样式 */
@media (max-width: 768px) {
    .section-header {
        padding: 40px 15px;
        margin-bottom: 40px;
    }

    .section-subtitle {
        font-size: 0.8rem;
        padding: 4px 12px;
        letter-spacing: 2px;
    }

    .section-subtitle::before,
    .section-subtitle::after {
        width: 20px;
    }

    .section-subtitle::before {
        left: -25px;
    }

    .section-subtitle::after {
        right: -25px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .section-header p {
        font-size: 1rem;
        padding: 0 15px;
    }
}

/* 更小屏幕的优化 */
@media (max-width: 480px) {
    .section-subtitle::before,
    .section-subtitle::after {
        width: 15px;
    }

    .section-subtitle::before {
        left: -20px;
    }

    .section-subtitle::after {
        right: -20px;
    }

    .section-subtitle {
        font-size: 0.75rem;
        padding: 3px 10px;
    }
}

/* 背景样式 */
.bg-light {
    background-color: var(--light-color);
}

/* 成功案例样式 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.case-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
    height: 400px;
}

.case-image {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.case-bg {
    width: 100%;
    height: 100%;
    transition: transform 0.5s;
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(43, 89, 255, 0.4), rgba(39, 174, 96, 0.35));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 30px;
    opacity: 1;
    transition: all 0.3s ease;
    color: white;
}



.case-overlay h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    font-weight: 700;
}

.case-overlay p {
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
    font-weight: 500;
}

.case-link {
    color: white;
    text-decoration: none;
    padding: 10px 25px;
    border: 2px solid white;
    border-radius: 30px;
    transition: all 0.3s;
}

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

/* 修改解决方案图片样式 */
.solution-image {
    width: 100%;
    height: 250px;
    background-size: cover !important;
    background-position: center !important;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .case-item {
        height: 300px;
    }
    
    .case-overlay {
        opacity: 1;
        background: linear-gradient(to bottom, rgba(43, 89, 255, 0.7), rgba(39, 174, 96, 0.7));
    }
}

/* 关于我们样式 */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 50px;
}

.about-text h3 {
    color: var(--dark-color);
    font-size: 2rem;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 40px;
    font-size: 1.1rem;
}

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

.feature {
    text-align: center;
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature h4 {
    color: var(--dark-color);
    margin-bottom: 10px;
}

.about-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* 联系我们样式 */
.contact-simple {
    display: flex;
    justify-content: center;
    margin-top: 50px;
    position: relative;
}

.contact-info-center {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 60px 80px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    max-width: 700px;
    width: 100%;
    position: relative;
    border: 1px solid rgba(255,255,255,0.8);
    overflow: hidden;
}

.contact-info-center::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(43, 89, 255, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
}

.contact-info-center::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -15%;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(39, 174, 96, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
}

.info-item {
    margin-bottom: 35px;
    display: flex;
    align-items: flex-start;
    padding: 35px 30px;
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(248,250,252,0.8) 100%);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(255,255,255,0.5);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 2;
}

.info-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 50px rgba(43, 89, 255, 0.15);
    border-color: rgba(43, 89, 255, 0.2);
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 16px 16px 0 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.info-item:hover::before {
    opacity: 1;
}

.info-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-right: 25px;
    margin-top: 5px;
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(43, 89, 255, 0.1), rgba(39, 174, 96, 0.1));
    border-radius: 12px;
    transition: all 0.3s ease;
}

.info-item div {
    flex: 1;
    min-width: 0;
}

.info-item:hover i {
    background: linear-gradient(135deg, rgba(43, 89, 255, 0.15), rgba(39, 174, 96, 0.15));
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(43, 89, 255, 0.2);
}

.info-item h4 {
    color: var(--dark-color);
    margin-bottom: 12px;
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.info-item p {
    color: var(--text-color);
    line-height: 1.7;
    word-wrap: break-word;
    font-size: 1.1rem;
    margin: 0;
    font-weight: 400;
}

.info-item p a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(43, 89, 255, 0.08), rgba(39, 174, 96, 0.08));
    border-radius: 8px;
    display: inline-block;
    letter-spacing: 0.5px;
}

.info-item p a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.info-item p a:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(43, 89, 255, 0.3);
}

.info-item p a:hover::before {
    opacity: 1;
}

/* 响应式优化 */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .company-features {
        gap: 20px;
    }
    
    .contact-info-center {
        padding: 40px 30px;
        margin: 0 20px;
    }
}

@media (max-width: 768px) {
    .company-features {
        grid-template-columns: 1fr;
    }
    
    .feature {
        padding: 20px;
        background: white;
        border-radius: var(--border-radius);
        box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    }
    
    .contact-info-center {
        padding: 30px 20px;
        margin: 0 15px;
    }
    
    .info-item {
        padding: 20px;
        margin-bottom: 25px;
    }
    
    .info-item i {
        font-size: 1.6rem;
        margin-right: 20px;
    }
    
    .info-item h4 {
        font-size: 1.1rem;
    }
    
    .info-item p {
        font-size: 1rem;
    }
}

/* 页脚样式 */
footer {
    background: var(--dark-color);
    color: rgba(255, 255, 255, 0.8);
    padding: 40px 0;
    margin-top: 60px;
}

.footer-content {
    text-align: center;
}

.footer-content p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.6;
}

.footer-content a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.footer-content a:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* 页脚响应式优化 */
@media (max-width: 768px) {
    footer {
        padding: 30px 0;
        margin-top: 40px;
    }
    
    .footer-content p {
        font-size: 0.9rem;
        line-height: 1.8;
    }
}