/* 全局基础样式 */
:root {
    --primary-color: #1a1464;
    --secondary-color: #4834d4;
    --text-dark: #2c3e50;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --white: #fff;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* 区块基础样式 */
.section {
    padding: 5rem 0;
}

/* 区块背景交替 */
.hero {
    background: linear-gradient(135deg, #f6f8ff 0%, #e9ecff 100%);
    padding: 8rem 0 6rem;
    position: relative;
    overflow: hidden;
}

#introduction { background: var(--white); }
#features { background: var(--bg-light); }
#pricing { background: var(--white); }
#scenarios { background: var(--bg-light); }
#contact { background: var(--white); }

/* 区块标题统一样式 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    padding: 0 1rem;
}

.section-header h2 {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 700;
    position: relative;
    display: inline-block;
    letter-spacing: -0.5px;
}

.section-header h2::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(72, 52, 212, 0.2);
    z-index: -1;
    transform: skew(-12deg);
}

.section-header .subtitle {
    font-size: 1.25rem;
    color: #666;
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

/* 深色背景区块的标题样式 */
.hero .section-header h2,
.pricing-section.dark-bg .section-header h2 {
    color: var(--white);
}

.hero .section-header .subtitle,
.pricing-section.dark-bg .section-header .subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* 标题装饰 */
.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
}

/* 各区块标题颜色调整 */
#introduction .section-header h2,
#features .section-header h2,
#pricing .section-header h2,
#scenarios .section-header h2,
#contact .section-header h2 {
    color: var(--primary-color);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* 标题响应式调整 */
@media (max-width: 768px) {
    .section-header {
        margin-bottom: 3rem;
    }

    .section-header h2 {
        font-size: 2.2rem;
    }

    .section-header .subtitle {
        font-size: 1.1rem;
        padding: 0 1rem;
    }
}

/* 卡片基础样式 */
.card-base {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

/* 功能特性卡片 */
.feature-card {
    composes: card-base;
    text-align: center;
}

.feature-card i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

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

/* 价格卡片 */
.pricing-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2.5rem;
    position: relative;
    transition: all 0.4s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

/* 推荐版卡片样式优化 */
.pricing-card.recommended {
    background: var(--white);
    border: 2px solid var(--secondary-color);
    transform: scale(1.05);
}



/* 推荐版卡片悬停时的文字颜色变化 */
.pricing-card.recommended:hover .plan-name,
.pricing-card.recommended:hover .amount,
.pricing-card.recommended:hover .period,
.pricing-card.recommended:hover .plan-desc,
.pricing-card.recommended:hover .pricing-features li,
.pricing-card.recommended:hover .pricing-features i {
    color: var(--white);
    transition: all 0.3s ease;
}

/* 推荐版卡片悬停时的按钮样式 */
.pricing-card.recommended:hover .btn-primary {
    background: var(--white);
    color: var(--primary-color);
}

.pricing-card.recommended:hover .pricing-badge {
    background: var(--white);
    color: var(--primary-color);
}

/* 推荐标签优化 */
.pricing-badge {
    position: absolute;
    top: 1.5rem;
    right: -2rem;
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.5rem 2.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    transform: rotate(45deg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

/* 价格显示优化 */
.price .amount {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.5rem;
    display: block;
}

.price .period {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 400;
}

/* 功能列表优化 */
.pricing-features {
    margin: 2rem 0;
}

.pricing-features li {
    display: flex;
    align-items: center;
    margin-bottom: 1.2rem;
    color: var(--text-dark);
    font-size: 1.05rem;
}

.pricing-features i {
    color: var(--secondary-color);
    margin-right: 1rem;
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* 应用场景卡片 */
.scenario-card {
    composes: card-base;
}

/* 联系我们卡片 */
.contact-item {
    composes: card-base;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-item i {
    font-size: 2rem;
    color: var(--secondary-color);
}

/* 按钮样式 */
.btn-primary {
    background: var(--secondary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(72, 52, 212, 0.3);
}

/* 页脚样式 */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 5rem 0 2rem;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section.visible .card-base {
    animation: fadeInUp 0.8s ease-out;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .section {
        padding: 3rem 0;
    }

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

    .card-base {
        padding: 1.5rem;
    }
}

/* 网格布局 */
.features-grid,
.pricing-grid,
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* 容器通用样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 基础样式 */
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.5;
    color: var(--text-color);
    background: var(--bg-light);
}

/* 移动优先设计 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

/* 更新日志链接特殊样式 */
.changelog-link {
    position: relative;
}

.changelog-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--secondary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.changelog-link:hover::after {
    transform: scaleX(1);
}

/* 联系按钮样式 */
.contact-btn {
    background: var(--secondary-color);
    color: var(--white) !important;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(72, 52, 212, 0.2);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
    padding: 0.5rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

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

    .mobile-menu-btn {
        display: block;
    }

    .contact-btn {
        width: 100%;
        text-align: center;
    }
}

/* VIP Banner样式 */
.vip-banner {
    margin: 15px 0;
}

.banner-img {
    width: 100%;
    border-radius: 8px;
}

/* 功能导航 */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    padding: 20px 0;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
}

.nav-item i {
    font-size: 24px;
    margin-bottom: 8px;
}

/* 文档列表样式 */
.doc-list {
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.doc-item {
    display: flex;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

.doc-icon {
    width: 40px;
    height: 40px;
    margin-right: 15px;
}

.doc-info {
    flex: 1;
}

.doc-info h3 {
    margin: 0 0 8px;
    font-size: 16px;
}

.doc-meta {
    color: #666;
    font-size: 14px;
}

.doc-meta span {
    margin-right: 15px;
}

.btn-download {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
}

/* 底部导航 */
.footer {
    background: #1a1464;
    color: #fff;
    padding: 5rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4rem;
}

.footer-info {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 40px;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-links-group {
    display: flex;
    gap: 4rem;
}

.footer-links h4 {
    color: #fff;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-social {
    display: flex;
    gap: 1.5rem;
}

.footer-social a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    color: #fff;
    transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 10px;
    }
    
    .nav-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 10px;
    }
    
    .doc-item {
        padding: 10px;
    }

    .contact-wrapper {
        flex-direction: column;
        gap: 2rem;
    }

    .contact-qr {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 3rem;
    }

    .footer-links-group {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}

/* 文档卡片样式 */
.doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.doc-card {
    background: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

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

/* 英雄区域文字样式 */
.hero h1 {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    position: relative;
    z-index: 2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 600px;
    position: relative;
    z-index: 2;
}

/* 英雄区域按钮组 */
.hero-buttons {
    display: flex;
    gap: 1.5rem;
    position: relative;
    z-index: 2;
}

.hero .btn-primary {
    background: linear-gradient(135deg, #4834d4 0%, #1a1464 100%);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 500;
    box-shadow: 0 5px 15px rgba(72, 52, 212, 0.3);
}

.hero .btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    padding: 1rem 2.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    border: 2px solid var(--primary-color);
    transition: all 0.3s ease;
}

.hero .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(72, 52, 212, 0.4);
}

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

/* 装饰性背景元素 */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(72, 52, 212, 0.1) 0%, rgba(72, 52, 212, 0) 70%);
    border-radius: 50%;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(26, 20, 100, 0.1) 0%, rgba(26, 20, 100, 0) 70%);
    border-radius: 50%;
    z-index: 1;
}

/* 浮动形状装饰 */
.hero-shapes {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    background: linear-gradient(135deg, rgba(72, 52, 212, 0.1) 0%, rgba(72, 52, 212, 0.05) 100%);
    border-radius: 50%;
}

.shape-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    right: 10%;
    animation: float 6s ease-in-out infinite;
}

.shape-2 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    right: 20%;
    animation: float 8s ease-in-out infinite;
}

.shape-3 {
    width: 70px;
    height: 70px;
    top: 30%;
    left: 15%;
    animation: float 7s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
    100% { transform: translateY(0) rotate(0deg); }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero {
        padding: 6rem 0 4rem;
    }

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

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

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons a {
        width: 100%;
        text-align: center;
    }
}

/* 特性卡片样式 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 1;
    animation: fadeInUp 0.8s ease-out;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.feature-card i {
    transition: transform 0.3s ease;
    color: #4834d4;
}

.feature-card:hover i {
    transform: scale(1.1);
}

/* 通用部分样式 */
.section {
    padding: 5rem 0;
}

.section.visible {
    animation: none;
}

.section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.bg-light {
    background-color: var(--light-bg);
}

/* 导航样式补充 */
.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

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

/* 解决方案卡片样式 */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.solution-card {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

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

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

.solution-card p {
    color: var(--text-color);
    line-height: 1.6;
}

/* 客户案例样式 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.case-card {
    background: white;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.case-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.case-content {
    padding: 1.5rem;
}

.case-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

/* 联系我们部分 */
.contact-section {
    background: var(--bg-light);
    padding: 5rem 0;
}

.contact-wrapper {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 4rem;
    margin-top: 3rem;
}

/* 工作时间样式 */
.contact-info {
    flex: 0 1 auto;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.contact-item i {
    font-size: 2rem;
    color: var(--secondary-color);
}

.contact-item h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* 二维码区域样式 */
.contact-qr {
    display: flex;
    gap: 3rem;
}

.qr-item {
    text-align: center;
}

.qr-code {
    width: 180px;
    height: 180px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.qr-code:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.qr-desc {
    color: var(--text-dark);
    font-size: 1.1rem;
    margin-top: 1rem;
    font-weight: 500;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .contact-wrapper {
        flex-direction: column;
        align-items: center;
        gap: 3rem;
    }

    .contact-qr {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .qr-code {
        width: 150px;
        height: 150px;
    }

    .qr-desc {
        font-size: 1rem;
    }
}

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

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0px); }
}

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

/* 会员价格 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.pricing-card {
    background: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 1;
    animation: fadeInUp 0.8s ease-out;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.pricing-card .tag {
    position: absolute;
    top: -10px;
    right: -10px;
    background: #ff4757;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.pricing-card.recommended {
    animation: pulse 2s infinite;
    background: linear-gradient(135deg, #4834d4 0%, #3a2bb7 100%);
}

.pricing-card.hot .tag {
    background: #ff4757;
}

.price {
    margin: 1.5rem 0;
    text-align: center;
}

.current-price {
    font-size: 2rem;
    font-weight: bold;
    color: #2c3e50;
}

.original-price {
    color: #999;
    text-decoration: line-through;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.target {
    color: #7f8c8d;
    text-align: center;
    margin-bottom: 1rem;
}

.features ul {
    list-style: none;
    padding: 0;
}

.features li {
    margin: 0.8rem 0;
    color: #2c3e50;
}

.features li i {
    color: #4834d4;
    margin-right: 0.5rem;
}

.pricing-section {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: #1a1464;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header .subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.pricing-section .section-header h2,
#scenarios .section-header h2 {
    color: #fff;
}

.pricing-section .section-header .subtitle,
#scenarios .section-header .subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.features-intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.intro-card {
    background: #fff;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.intro-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.intro-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.intro-card h3 {
    color: #333;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.intro-card p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

#introduction {
    background: #fff;
    padding: 5rem 0;
}

#introduction .section-header {
    margin-bottom: 2rem;
}

#introduction .section-header h2 {
    color: #333;
}

#introduction .section-header .subtitle {
    color: #666;
}

@media (max-width: 768px) {
    .features-intro-grid {
        grid-template-columns: 1fr;
    }
    
    .intro-card {
        padding: 1.5rem;
    }
}

#scenarios {
    background: var(--bg-light);
    padding: 5rem 0;
    position: relative;
}

/* 标题和副标题优化 */
#scenarios .section-header {
    text-align: center;
    margin-bottom: 4rem;
}

#scenarios .section-header h2 {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

#scenarios .section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--secondary-color);
    border-radius: 2px;
}

#scenarios .section-header .subtitle {
    font-size: 1.25rem;
    color: #555;
    max-width: 700px;
    margin: 1.5rem auto 0;
    line-height: 1.6;
    font-weight: 400;
}

/* 卡片网格布局优化 */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    padding: 0 1rem;
}

/* 场景卡片样式优化 */
.scenario-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* 图标样式优化 */
.scenario-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, rgba(72, 52, 212, 0.1) 0%, rgba(72, 52, 212, 0.05) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.scenario-icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(72, 52, 212, 0.2) 0%, rgba(72, 52, 212, 0.1) 100%);
    top: 0;
    left: 0;
    opacity: 0;
    transition: all 0.3s ease;
}

.scenario-icon i {
    font-size: 2.8rem;
    color: var(--secondary-color);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

/* 图标悬停效果 */
.scenario-card:hover .scenario-icon {
    transform: translateY(-5px);
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
}

.scenario-card:hover .scenario-icon::before {
    opacity: 1;
}

.scenario-card:hover .scenario-icon i {
    color: var(--white);
    transform: scale(1.1);
}

/* 卡片标题样式 */
.scenario-card h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
}

/* 功能列表样式优化 */
.scenario-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-align: left;
}

.feature-item i {
    color: #4CAF50;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.feature-item span {
    color: var(--text-dark);
    font-size: 1rem;
    line-height: 1.5;
}

/* 响应式布局 */
@media (max-width: 1200px) {
    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .scenarios-grid {
        grid-template-columns: 1fr;
    }

    #scenarios .section-header h2 {
        font-size: 2.2rem;
    }

    #scenarios .section-header .subtitle {
        font-size: 1.1rem;
        padding: 0 1rem;
    }

    .scenario-icon {
        width: 80px;
        height: 80px;
    }

    .scenario-icon i {
        font-size: 2.4rem;
    }
}

/* 深色背景上的文字 */
#scenarios .scenario-card h3,
.pricing-section .pricing-card h3 {
    color: #fff;
}

#scenarios .scenario-card p,
.pricing-section .pricing-card p {
    color: rgba(255, 255, 255, 0.8);
}

/* 图标动画优化 */
.feature-card i,
.scenario-icon i {
    transition: transform 0.3s ease;
}

.feature-card:hover i,
.scenario-icon:hover i {
    transform: scale(1.1);
}

/* 滚动显示动画优化 */
.section.visible {
    animation: none;
}

.section.visible .feature-card,
.section.visible .pricing-card,
.section.visible .scenario-card,
.section.visible .contact-item {
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

/* 为不同卡片设置延迟动画 */
.section.visible .feature-card:nth-child(2),
.section.visible .pricing-card:nth-child(2),
.section.visible .scenario-card:nth-child(2) {
    animation-delay: 0.2s;
}

.section.visible .feature-card:nth-child(3),
.section.visible .pricing-card:nth-child(3),
.section.visible .scenario-card:nth-child(3) {
    animation-delay: 0.4s;
}

.section.visible .feature-card:nth-child(4),
.section.visible .scenario-card:nth-child(4) {
    animation-delay: 0.6s;
}

/* 确保文字可读性 */
.feature-card h3,
.pricing-card h3,
.scenario-card h3 {
    color: #1a1464;
    margin: 1rem 0;
    font-size: 1.3rem;
}

.feature-card p,
.scenario-card p {
    color: #666;
    line-height: 1.6;
}

/* 深色背景上的文字 */
#scenarios .scenario-card h3,
.pricing-section .pricing-card h3 {
    color: #fff;
}

#scenarios .scenario-card p,
.pricing-section .pricing-card p {
    color: rgba(255, 255, 255, 0.8);
}

/* 白色背景区块 */
#introduction,
#pricing,
#contact {
    background: #fff;
}

/* 浅灰色背景区块 */
#features,
#scenarios {
    background: #f8f9fa;
}

/* 标题样式优化 */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #1a1464;
    margin-bottom: 1rem;
}

.section-header .subtitle {
    font-size: 1.1rem;
    color: #666;
}

/* 卡片样式优化 */
.feature-card,
.pricing-card,
.scenario-card,
.contact-item {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* 灰色背景区块中的卡片悬停效果 */
#features .feature-card:hover,
#scenarios .scenario-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    background: #fff;
}


/* 页脚样式保持深色 */
.footer {
    background: #1a1464;
    color: #fff;
    padding: 5rem 0 2rem;
}

/* 价格区块样式 */
.pricing-section {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
    z-index: 2;
}

.pricing-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2.5rem;
    position: relative;
    transition: all 0.4s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

/* 推荐标签 */
.pricing-badge {
    position: absolute;
    top: 1.5rem;
    right: -2rem;
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.5rem 2.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    transform: rotate(45deg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

/* 价格卡片头部 */
.pricing-header {
    text-align: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.plan-name {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.price {
    margin-bottom: 1rem;
}

.price .amount {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.5rem;
    display: block;
}

.price .period {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 400;
}

.plan-desc {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 功能列表 */
.pricing-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 1rem;
    line-height: 1.5;
}

.pricing-features i {
    margin-right: 1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.pricing-features i.fa-check {
    color: #4CAF50;
}

.pricing-features i.fa-times {
    color: #F44336;
}

/* 按钮样式 */
.pricing-action {
    margin-top: 2rem;
    text-align: center;
}

.btn-outline {
    display: inline-block;
    padding: 1rem 2.5rem;
    border: 2px solid var(--secondary-color);
    border-radius: 30px;
    color: var(--secondary-color);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* 推荐卡片特殊样式 */
.pricing-card.recommended {
    background: linear-gradient(135deg, #4834d4 0%, #1a1464 100%);
    color: var(--white);
    transform: scale(1.05);
}

.pricing-card.recommended .plan-name,
.pricing-card.recommended .amount,
.pricing-card.recommended .period,
.pricing-card.recommended .plan-desc,
.pricing-card.recommended .pricing-features li {
    color: var(--white);
}

.pricing-card.recommended .pricing-features i {
    color: #fff;
}

.pricing-card.recommended .btn-primary {
    background: var(--white);
    color: var(--primary-color);
}

.pricing-card.recommended .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }

    .pricing-card.recommended {
        transform: scale(1);
    }
}

/* 价格区块标题样式优化 */
#pricing .section-header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    padding: 0 1rem;
}

#pricing .section-header h2 {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 700;
    position: relative;
    display: inline-block;
    letter-spacing: -0.5px;
}

#pricing .section-header .subtitle {
    font-size: 1.25rem;
    color: #666;
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
    display: block;
    position: relative;
    z-index: 2;
}

/* 添加标题装饰 */
#pricing .section-header h2::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(72, 52, 212, 0.2);
    z-index: 1;
    transform: skew(-12deg);
}

/* 确保副标题在深色背景上可见 */
#pricing.dark-bg .section-header .subtitle {
    color: rgba(255, 255, 255, 0.9);
}

/* 响应式调整 */
@media (max-width: 768px) {
    #pricing .section-header {
        margin-bottom: 3rem;
    }

    #pricing .section-header h2 {
        font-size: 2.2rem;
    }

    #pricing .section-header .subtitle {
        font-size: 1.1rem;
        padding: 0 1rem;
    }
}

/* 价格卡片样式优化 */
.current-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
}

.current-price .amount {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.current-price .period {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* 功能列表样式优化 */
.pricing-features {
    margin: 2rem 0;
}

.pricing-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 1rem;
    line-height: 1.5;
}

.pricing-features i {
    margin-right: 1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.pricing-features i.fa-check {
    color: #4CAF50;
}

.pricing-features i.fa-times {
    color: #F44336;
}

/* 推荐版卡片悬停效果优化 */
.pricing-card.recommended:hover .original-price {
    color: rgba(255, 255, 255, 0.6);
}

.pricing-card.recommended:hover .current-price .amount,
.pricing-card.recommended:hover .current-price .period {
    color: var(--white);
}

.pricing-card.recommended:hover .pricing-features i.fa-check {
    color: #81C784;
}

/* 企业版价格显示优化 */
.enterprise .current-price .amount {
    font-size: 2.2rem;
}

.enterprise .current-price .period {
    font-size: 1rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .current-price .amount {
        font-size: 2.8rem;
    }
    
    .pricing-features li {
        font-size: 0.95rem;
    }
}