/* 数星云AI电商网站样式 - 现代化设计 */
/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333333;
    background: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 导航栏样式 - 现代化玻璃态设计 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.navbar .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media (min-width: 769px) {
    .hamburger {
        display: none;
    }
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo::before {
    content: "🚀";
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #007bff;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #007bff, #fd7e14);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* 主内容区域 */
.main {
    margin-top: 80px;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 30%, #f093fb 70%, #f5576c 100%),
                url('../images/hero-bg.jpg') center/cover;
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn {
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 123, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 123, 255, 0.6);
}

.btn-secondary {
    background: transparent;
    color: #fd7e14;
    border: 2px solid #fd7e14;
}

.btn-secondary:hover {
    background: #fd7e14;
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #fd7e14;
    border: 2px solid #fd7e14;
}

.btn-outline:hover {
    background: #fd7e14;
    color: white;
}

/* 内容区域 */
.content {
    background: #f8f9fa;
    min-height: calc(100vh - 80px);
}

.section {
    padding: 5rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
    position: relative;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, #007bff, #fd7e14);
    border-radius: 2px;
}

.section-title p {
    font-size: 1.2rem;
    color: #666666;
    max-width: 600px;
    margin: 0 auto;
}

/* 功能卡片 - 现代化设计 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.8);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #0056b3, #fd7e14, #e83e8c);
    border-radius: 20px 20px 0 0;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 50%, #fd7e14 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.2rem;
    color: white;
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.3);
}

.feature-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: #333333;
    font-weight: 600;
}

.feature-card p {
    color: #666666;
    line-height: 1.7;
    font-size: 1rem;
}

/* 价格表格 - 现代化设计 */
.pricing-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.pricing-category {
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.8);
    position: relative;
}

.pricing-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #007bff, #0056b3, #fd7e14, #e83e8c);
}

.pricing-header {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 50%, #fd7e14 100%);
    color: white;
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

.pricing-header h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.pricing-plans {
    padding: 2.5rem;
    display: grid;
    gap: 2rem;
}

/* B2C电商系统 - 3个版本一行显示 */
.b2c-plans {
    grid-template-columns: repeat(3, 1fr);
}

/* B2B2C电商系统 - 3个版本一行显示 */
.b2b2c-plans {
    grid-template-columns: repeat(3, 1fr);
}

/* SaaS私有化部署 - 3个版本一行显示 */
.saas-plans {
    grid-template-columns: repeat(3, 1fr);
}

.plan {
    border: 1px solid rgba(0, 123, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.plan::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #0056b3, #fd7e14);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.plan:hover::before {
    transform: scaleX(1);
}

.plan:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 123, 255, 0.15);
    border-color: rgba(0, 123, 255, 0.3);
}

.plan h4 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.plan .price {
    font-size: 1.3rem;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    margin-bottom: 1rem;
    display: block;
}

.plan .features {
    color: #666666;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 关于我们 */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.about-text h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-image {
    text-align: center;
}

.about-image img {
    max-width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 页脚 - 简洁专业设计 */
.footer {
    background: #007bff;
    color: white;
    padding: 2rem 0 1rem;
    margin-top: 3rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-section p {
    color: white;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-info div {
    color: white;
    font-size: 0.9rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-section ul li a {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ffffff;
    opacity: 0.8;
}



.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
}

.footer-bottom p {
    color: white;
    font-size: 0.85rem;
    margin: 0;
}

.footer-bottom a {
    color: white;
    text-decoration: none;
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.05);
        opacity: 1;
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: left 0.3s ease;
        z-index: 999;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links a {
        font-size: 1.2rem;
        padding: 1rem;
        width: 200px;
        text-align: center;
        border-radius: 10px;
        transition: all 0.3s ease;
    }

    .nav-links a:hover {
        background: rgba(0, 123, 255, 0.1);
        color: #007bff;
    }

    /* 添加汉堡菜单按钮 */
    .hamburger {
        display: block;
        cursor: pointer;
        padding: 0.5rem;
        z-index: 1001;
    }

    .hamburger span {
        display: block;
        width: 25px;
        height: 3px;
        background: #333;
        margin: 5px 0;
        transition: all 0.3s ease;
        border-radius: 2px;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .navbar .container {
        padding: 1rem;
    }

    .logo {
        font-size: 1.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .section {
        padding: 2.5rem 0;
    }

    .container {
        padding: 0 1rem;
    }

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

    /* 价格表格响应式 */
    .pricing-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .b2c-plans,
    .b2b2c-plans {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    @media (max-width: 1024px) {
        .b2c-plans,
        .b2b2c-plans {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    .saas-plans {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .pricing-plans {
        padding: 1.5rem;
        gap: 1rem;
    }

    .plan {
        padding: 1rem;
    }

    .plan h4 {
        font-size: 1.1rem;
    }

    .plan .price {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .pricing-container {
        grid-template-columns: 1fr;
    }

    /* 小屏幕价格表格 */
    .b2c-plans,
    .b2b2c-plans,
    .saas-plans {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .pricing-plans {
        padding: 1rem;
    }

    .plan {
        padding: 0.75rem;
        border-radius: 8px;
    }

    .plan h4 {
        font-size: 1rem;
        margin-bottom: 0.25rem;
    }

    .plan .price {
        font-size: 0.95rem;
        margin-bottom: 0.25rem;
    }

    .plan .features {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .section-title p {
        font-size: 1rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.95rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .contact-info {
        align-items: center;
    }

    /* features.html模块响应式 */
    .module-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }

    .module-section {
        margin-bottom: 2rem !important;
    }

    .module-header {
        padding: 1.5rem !important;
        margin-bottom: 1rem !important;
    }

    .module-icon {
        font-size: 2.5rem !important;
        margin-right: 1rem !important;
    }

    .module-card {
        padding: 1rem !important;
    }

    .module-card h4 {
        font-size: 1.1rem !important;
        margin-bottom: 0.75rem !important;
    }

    .module-card ul {
        margin: 0 !important;
    }

    .module-card li {
        padding: 0.25rem 0 !important;
        font-size: 0.9rem !important;
    }
}