/* 
 * AISEO - 智能SEO优化软件官网
 * 样式表
 */

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

html {
    font-size: 10px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: #ffffff;
}

/* 基础样式 */
:root {
    --primary-color: #39bdd4;
    --secondary-color: #3498db;
    --accent-color: #2ecc71;
    --light-bg: #f1fcfe;
    --dark-text: #333333;
    --light-text: #ffffff;
    --gray-text: #777777;
    --border-radius: 10px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* 基础容器样式 - 增强版 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 统一所有特定容器类的样式 */
.features-container,
.software-container,
.pricing-container,
.testimonials-container,
.contact-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 通用部分标题样式 */
.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-size: 3.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark-text);
}

.section-subtitle {
    font-size: 1.6rem;
    color: var(--gray-text);
    margin-bottom: 3rem;
    text-align: center;
}

.section-desc {
    font-size: 1.8rem;
    color: var(--gray-text);
    max-width: 800px;
    margin: 0 auto;
}

.highlight {
    color: var(--primary-color);
}

/* 软件展示标签页样式修复 */
.showcase-content {
    display: flex;
    align-items: center;
    gap: 5rem;
    flex-wrap: wrap;
}

@media (max-width: 992px) {
    .showcase-content {
        flex-direction: column;
    }
}

.showcase-image {
    flex: 1;
    min-width: 400px;
    position: relative;
}

.showcase-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.showcase-text {
    flex: 1;
    min-width: 300px;
}

/* 修复标签按钮样式 */
.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 1rem 2rem;
    background: transparent;
    border: none;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--gray-text);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    width: 60%;
    height: 3px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border-radius: 3px;
}

/* 修复标签内容显示 */
.tab-content {
    position: relative;
    min-height: 400px;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 品牌展示 */
.brands-section {
    background-color: var(--light-bg);
    padding: 5rem 0;
}

/* 修改为使用统一的container类 */
.brands-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 修改为网格布局，每行6个品牌 */
.brands-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 2rem;
    width: 100%;
    margin-top: 2rem;
}

/* 调整品牌项样式，包含图标和文字 */
.brand-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background-color: #ffffff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    opacity: 0.8;
    height: 120px;
}

.brand-item:hover {
    opacity: 1;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 减小图标尺寸 */
.brand-item img {
    max-width: 60px;
    height: auto;
    margin-bottom: 0.8rem;
}

/* 品牌文字样式 */
.brand-name {
    font-size: 1.4rem;
    color: var(--dark-text);
    font-weight: 500;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .brands-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .brands-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .brand-item {
        height: 100px;
        padding: 1rem;
    }
    
    .brand-item img {
        max-width: 40px;
        margin-bottom: 0.5rem;
    }
    
    .brand-name {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .brands-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 功能特色 */
.features-section {
    background-color: #ffffff;
    position: relative;
    overflow: hidden;
    padding: 8rem 0;
}

.features-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(57, 189, 212, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: 1;
}

.features-container {
    position: relative;
    z-index: 2;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 5rem;
    width: 100%;
    padding: 0 1rem;
}

@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0;
    }
}

.feature-card {
    background-color: #ffffff;
    border-radius: var(--border-radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    text-align: center;
    align-items: center;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(57, 189, 212, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
    box-shadow: 0 10px 20px rgba(57, 189, 212, 0.3);
    margin-left: auto;
    margin-right: auto;
}

.feature-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

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

.feature-icon i {
    font-size: 3rem;
    color: var(--light-text);
}

.feature-title {
    font-size: 1.8rem;
    margin-bottom: 1.2rem;
    text-align: center;
}

.feature-desc {
    font-size: 1.5rem;
    color: var(--gray-text);
    margin-bottom: 1.5rem;
    flex-grow: 1;
    text-align: center;
}

.feature-list {
    margin-bottom: 1.5rem;
    padding-left: 0;
    list-style: none;
    text-align: center;
    width: 100%;
}

.feature-list li {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-link {
    font-size: 1.4rem;
    margin-top: auto;
    display: inline-block;
    text-align: center;
}

/* 详细功能列表区域样式 */
.detailed-features-section {
    background-color: #f9fcfe;
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.detailed-features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at bottom right, rgba(57, 189, 212, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: 1;
}

.detailed-features-section .container {
    position: relative;
    z-index: 2;
}

.detailed-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 5rem;
}

.detailed-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background-color: #ffffff;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    min-height: 120px;
}

.detailed-feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--secondary-color), var(--primary-color));
}

.detailed-feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.detailed-feature-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-top: 0.3rem;
    flex-shrink: 0;
}

.detailed-feature-item span {
    font-size: 1.5rem;
    line-height: 1.7;
    color: var(--dark-text);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .detailed-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .detailed-features-section {
        padding: 6rem 0;
    }
    
    .detailed-features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .detailed-feature-item {
        padding: 1.5rem;
        min-height: auto;
    }
}

/* 软件展示 */
.software-section {
    background-color: var(--light-bg);
    position: relative;
    overflow: hidden;
}

.software-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at bottom left, rgba(57, 189, 212, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: 1;
}

.software-container {
    position: relative;
    z-index: 2;
}

.software-content {
    display: flex;
    align-items: center;
    gap: 5rem;
    margin-top: 5rem;
}

.software-text {
    flex: 1;
}

.software-title {
    font-size: 3.6rem;
    margin-bottom: 2rem;
}

.software-desc {
    font-size: 1.8rem;
    color: var(--gray-text);
    margin-bottom: 3rem;
}

.software-features {
    margin-bottom: 3rem;
}

.software-feature-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.software-feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.software-feature-icon i {
    font-size: 1.8rem;
    color: var(--light-text);
}

.software-feature-text {
    font-size: 1.6rem;
    font-weight: 600;
}

.software-image {
    flex: 1;
    position: relative;
}

.software-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.software-badge {
    position: absolute;
    top: -20px;
    right: -20px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--light-text);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 10px 20px rgba(57, 189, 212, 0.3);
}

/* 下载区域 - 修复样式选择器以匹配HTML结构 */
.download-section {
    background: linear-gradient(135deg, #111, #222);
    color: var(--light-text);
    position: relative;
    overflow: hidden;
    padding: 10rem 0;
}

.download-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(57, 189, 212, 0.2) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: 1;
    animation: pulse 8s infinite alternate;
}

.download-section .container {
    position: relative;
    z-index: 2;
}

/* 下载选项区域 */
.download-options {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 5rem;
    flex-wrap: wrap;
}

@media (max-width: 992px) {
    .download-options {
        flex-direction: column;
        align-items: center;
    }
}

.download-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 4rem;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    min-width: 250px;
    max-width: 300px;
}

.download-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.download-card.featured {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05));
    border: 2px solid rgba(57, 189, 212, 0.5);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.download-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.download-icon i {
    font-size: 5rem;
    color: var(--light-text);
}

.download-card h3 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.download-card p {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.download-card .download-btn {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--light-text);
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.4rem;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 10px 20px rgba(57, 189, 212, 0.3);
}

.download-card .download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(57, 189, 212, 0.4);
}

.download-card .version {
    display: block;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 1.5rem;
}

/* 系统要求区域 */
.system-requirements {
    text-align: center;
}

.system-requirements h3 {
    font-size: 2.4rem;
    margin-bottom: 2rem;
}

.requirements-grid {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .requirements-grid {
        flex-direction: column;
        align-items: center;
    }
}

.requirement-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 2rem 3rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.requirement-item h4 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.requirement-item p {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.8);
}

/* 确保原有样式不冲突 */
@keyframes pulse {
    from { opacity: 0.5; }
    to { opacity: 1; }
}

/* 定价方案 */
.pricing-section {
    background-color: #ffffff;
    position: relative;
    overflow: hidden;
}

.pricing-section .section-header {
    text-align: center;
    max-width: 100%;
    margin: 0 auto 5rem;
}

.pricing-section .section-desc {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(57, 189, 212, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: 1;
}

.pricing-container {
    position: relative;
    z-index: 2;
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 5rem;
}

.toggle-option {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--gray-text);
    cursor: pointer;
    transition: var(--transition);
}

.toggle-option.active {
    color: var(--dark-text);
}

.toggle-switch {
    width: 60px;
    height: 30px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border-radius: 30px;
    position: relative;
    cursor: pointer;
}

.toggle-circle {
    width: 24px;
    height: 24px;
    background-color: #ffffff;
    border-radius: 50%;
    position: absolute;
    top: 3px;
    left: 3px;
    transition: var(--transition);
}

.toggle-switch.yearly .toggle-circle {
    left: 33px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 5rem;
    justify-items: center;
}

@media (max-width: 992px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.pricing-card {
    background-color: #ffffff;
    border-radius: var(--border-radius);
    padding: 4rem 3rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    width: 100%;
    max-width: 350px;
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(57, 189, 212, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.pricing-card:hover::before {
    opacity: 1;
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
    z-index: 2;
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--light-text);
    padding: 0.5rem 4rem;
    font-size: 1.2rem;
    font-weight: 700;
    transform: rotate(45deg);
}

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

.pricing-title {
    font-size: 2.4rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--dark-text);
    margin: 1.5rem 0;
    display: flex;
    align-items: baseline;
    justify-content: center;
}

.price span {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--gray-text);
    margin-left: 0.5rem;
}

.pricing-desc {
    font-size: 1.4rem;
    color: var(--gray-text);
}

.pricing-features {
    margin-bottom: 3rem;
    text-align: center;
    padding: 0;
    list-style: none;
}

.pricing-feature-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    text-align: center;
}

.pricing-feature-icon {
    color: var(--primary-color);
    font-size: 1.8rem;
}

.pricing-feature-text {
    color: var(--dark-text);
}

.pricing-feature-item.disabled .pricing-feature-icon {
    color: #ccc;
}

.pricing-feature-item.disabled .pricing-feature-text {
    color: var(--gray-text);
    text-decoration: line-through;
}

.pricing-btn {
    width: auto;
    max-width: 160px;
    padding: 1.2rem 1.8rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.5rem;
    display: inline-block;
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: none;
    cursor: pointer;
    margin: 0 auto;
}

/* 确保按钮在卡片中居中 */
.pricing-card a.pricing-btn {
    display: block;
    margin: 2rem auto 0;
}

/* 个人版按钮 - 蓝色 */
.pricing-card:nth-child(1) .pricing-btn {
    background: linear-gradient(135deg, #4a90e2, #357abd);
    color: white;
    box-shadow: 0 6px 15px rgba(74, 144, 226, 0.3);
}

/* 代理版按钮 - 橙色 */
.pricing-card:nth-child(2) .pricing-btn {
    background: linear-gradient(135deg, #ff9f43, #ee5a24);
    color: white;
    box-shadow: 0 6px 15px rgba(255, 159, 67, 0.3);
}

/* 企业版按钮 - 红色 */
.pricing-card:nth-child(3) .pricing-btn {
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    color: white;
    box-shadow: 0 6px 15px rgba(255, 107, 107, 0.3);
}

/* 按钮悬停效果 */
.pricing-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* 按钮点击效果 */
.pricing-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .pricing-btn {
        max-width: 140px;
        padding: 1rem 1.5rem;
        font-size: 1.4rem;
    }
}

/* 客户评价 */
.testimonials-section {
    background-color: var(--light-bg);
    position: relative;
    overflow: hidden;
}

.testimonials-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at bottom left, rgba(57, 189, 212, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: 1;
}

.testimonials-container {
    position: relative;
    z-index: 2;
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.testimonial-card {
    display: none;
    background-color: #ffffff;
    border-radius: var(--border-radius);
    padding: 4rem 3rem;
    box-shadow: var(--box-shadow);
    animation: slideIn 0.5s ease;
    position: relative;
}

.testimonial-card.active {
    display: block;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.testimonial-content {
    position: relative;
    padding-bottom: 3rem;
    margin-bottom: 3rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.testimonial-content::before {
    content: '\201C';
    position: absolute;
    top: -50px;
    left: -10px;
    font-size: 10rem;
    font-family: serif;
    color: rgba(57, 189, 212, 0.1);
    line-height: 1;
}

.testimonial-text {
    font-size: 1.8rem;
    color: var(--gray-text);
    line-height: 1.7;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.author-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.4rem;
}

.author-info {
    flex: 1;
}

.author-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.author-position {
    font-size: 1.4rem;
    color: var(--gray-text);
}

.testimonial-rating {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.testimonial-rating i {
    color: #ffc107;
    font-size: 1.6rem;
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-dots {
    display: flex;
    gap: 1rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #ddd;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--primary-color);
    width: 30px;
    border-radius: 6px;
}

/* 联系我们 - 修复样式以匹配HTML结构 */
.contact-section {
    background-color: #ffffff;
    position: relative;
    overflow: hidden;
    padding: 10rem 0;
}

.contact-section .container {
    position: relative;
    z-index: 2;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 5rem;
}

.contact-card {
    background-color: #f9fcfe;
    border-radius: var(--border-radius);
    padding: 3.5rem;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(57, 189, 212, 0.1);
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
    border-color: var(--primary-color);
}

.contact-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(57, 189, 212, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
    border: 1px solid rgba(57, 189, 212, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.contact-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

.contact-card h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-card p {
    font-size: 1.4rem;
    color: var(--gray-text);
    margin-bottom: 1.5rem;
}

.contact-info {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--dark-text);
    text-decoration: none;
    transition: var(--transition);
}

.contact-info:hover {
    color: var(--primary-color);
}

/* 页脚 - 修复样式以匹配HTML结构 */
.footer {
    background: linear-gradient(135deg, #111, #222);
    color: var(--light-text);
    padding: 8rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(57, 189, 212, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: 1;
}

.footer .container {
    position: relative;
    z-index: 2;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 5rem;
    margin-bottom: 5rem;
}

@media (max-width: 992px) {
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    .footer-top {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.footer-col:first-child {
    max-width: 400px;
}

.footer-logo {
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: flex-start; /* 修改为居左对齐 */
}

.footer-logo-img {
    max-width: 180px;  /* 根据您的需求调整大小 */
    height: auto;
    object-fit: contain;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .footer-logo-img {
        max-width: 140px;  /* 在小屏幕上适当缩小 */
    }
}

.logo-text {
    font-size: 2.8rem;
    font-weight: 800;
}

.footer-desc {
    font-size: 1.6rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    text-decoration: none;
}

.social-link i {
    font-size: 1.8rem;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.social-link:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    transform: translateY(-5px);
}

.social-link:hover i {
    color: var(--light-text);
}

.footer-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border-radius: 3px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 1.5rem;
}

.footer-links a {
    font-size: 1.6rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
    display: inline-block;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 2rem;
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

.copyright {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-policy {
    display: flex;
    gap: 2rem;
}

.footer-policy a {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-policy a:hover {
    color: var(--primary-color);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 3rem;
    right: 3rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(57, 189, 212, 0.4);
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top i {
    font-size: 2rem;
    color: var(--light-text);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(57, 189, 212, 0.5);
}

/* 数据统计区域 - 添加完整样式 */
.stats-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-text);
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.stats-section .container {
    position: relative;
    z-index: 2;
}

.stats-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 4rem;
    text-align: center;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
}

.stat-card {
    position: relative;
    z-index: 2;
}

.stat-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    backdrop-filter: blur(10px);
}

.stat-icon i {
    font-size: 3rem;
    color: var(--light-text);
}

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1;
}

.stat-title {
    font-size: 1.8rem;
    font-weight: 600;
    opacity: 0.9;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    html {
        font-size: 58%;
    }
    
    .container {
        padding: 0 4rem;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text {
        margin-bottom: 5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .software-content {
        flex-direction: column;
    }
    
    .software-text {
        margin-bottom: 5rem;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 4rem;
    }
    
    .footer-about {
        grid-column: span 3;
        max-width: 100%;
    }
}

@media (max-width: 1200px) {
    .hero-text {
        flex: 0 0 calc(100% - 600px);
    }
}

@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
    }
    
    .hero-text {
        flex: 0 0 100%;
        margin-bottom: 3rem;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
    
    .pricing-card.popular {
        grid-column: span 2;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .contact-info {
        margin-bottom: 5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 55%;
    }
    
    .header .container {
        height: 7rem;
    }
    
    .main-nav {
        position: fixed;
        top: 7rem;
        left: 0;
        width: 100%;
        background-color: rgba(255, 255, 255, 0.95);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: var(--transition);
        z-index: 999;
    }
    
    .main-nav.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    
    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
    
    .hamburger {
        display: block;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-section {
        height: auto;
        padding: 15rem 0 10rem;
    }
    
    .hero-text h1 {
        font-size: 4.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .download-info {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        grid-column: span 1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-bottom-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 50%;
    }
    
    .container {
        padding: 0 2rem;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
    
    .hero-text h1 {
        font-size: 4rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .primary-btn, .secondary-btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
    }
    
    .stat-item {
        align-items: center;
    }
    
    .testimonial-card {
        padding: 3rem 2rem;
    }
    
    .testimonial-author {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .contact-method-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .contact-social {
        justify-content: center;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 62.5%; /* 10px = 1rem */
}

body {
    font-family: 'Poppins', 'Microsoft YaHei', sans-serif;
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: #ffffff;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 3rem;
    position: relative;
}

@media (max-width: 768px) {
    .container {
        padding: 0 2rem;
    }
}

section {
    padding: 10rem 0;
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 2rem;
}

p {
    margin-bottom: 2rem;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

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

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

ul {
    list-style: none;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 6rem;
}

.section-title {
    font-size: 4rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.section-subtitle {
    font-size: 2rem;
    color: var(--gray-text);
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1.8rem;
    color: var(--gray-text);
}

.highlight {
    color: var(--primary-color);
}

.gradient-text {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 8rem;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 2.8rem;
    font-weight: 800;
}

.logo-text {
    color: var(--dark-text);
}

.main-nav ul {
    display: flex;
    gap: 3rem;
}

.main-nav a {
    color: var(--dark-text);
    font-weight: 600;
    font-size: 1.6rem;
    padding: 1rem 0;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    transition: var(--transition);
    border-radius: 5px;
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.nav-buttons {
    display: flex;
    gap: 1.5rem;
}

.nav-btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.4rem;
    transition: var(--transition);
    display: inline-block;
}

.nav-btn:not(.outline) {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--light-text);
    box-shadow: 0 5px 15px rgba(57, 189, 212, 0.3);
}

.nav-btn.outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.nav-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(57, 189, 212, 0.4);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: var(--transition);
    background-color: var(--dark-text);
    border-radius: 3px;
}

/* 超大气首屏 */
.hero-section {
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    padding-top: 8rem;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #111, #222);
    width: 100%;
}

.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(57, 189, 212, 0.2) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: 1;
    animation: pulse 8s infinite alternate;
}

@keyframes pulse {
    0% {
        opacity: 0.5;
        transform: scale(1);
    }
    100% {
        opacity: 0.8;
        transform: scale(1.2);
    }
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    flex-wrap: wrap;
}

.hero-text {
    flex: 0 0 calc(100% - 650px); /* 确保为图片留出足够空间 */
    min-width: 300px;
}

.hero-text h1 {
    font-size: 5.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    line-height: 1.2;
    color: var(--light-text);
}

.hero-text p {
    font-size: 1.8rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 4rem;
}

.hero-buttons {
    display: flex;
    gap: 2rem;
    margin-bottom: 4rem;
}

.primary-btn {
    padding: 1.8rem 3.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.6rem;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--light-text);
    box-shadow: 0 10px 30px rgba(57, 189, 212, 0.4);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.primary-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 0.7s ease;
    z-index: -1;
}

.primary-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(57, 189, 212, 0.5);
    color: var(--light-text);
}

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

.secondary-btn {
    padding: 1.8rem 3.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.6rem;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: var(--light-text);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    color: var(--light-text);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem; /* 减小间距 */
    margin-top: 3rem;
    width: 100%;
    max-width: 700px; /* 减小最大宽度 */
}

.stat-item {
    display: flex;
    justify-content: center;
}

.stat-content {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem 1.5rem; /* 减小内边距 */
    border-radius: 10px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    min-width: auto; /* 移除最小宽度限制 */
    justify-content: center;
    white-space: nowrap; /* 防止文本换行 */
}

.stat-content:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

.check-icon {
    color: #4CAF50;
    font-size: 1.4rem; /* 减小图标大小 */
    margin-right: 0.8rem; /* 减小间距 */
    flex-shrink: 0;
}

.stat-number {
    font-size: 1.4rem; /* 减小字体大小 */
    font-weight: 600;
    color: var(--light-text);
    margin-bottom: 0.2rem;
}

.stat-label {
    font-size: 1.1rem; /* 减小字体大小 */
    color: rgba(255, 255, 255, 0.7);
}

/* 响应式设计修改 */
@media (max-width: 1200px) {
    .hero-stats {
        max-width: 600px; /* 进一步减小最大宽度 */
        gap: 0.8rem;
    }
    
    .stat-content {
        padding: 0.8rem 1.2rem;
    }
}

@media (max-width: 992px) {
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        max-width: 100%;
    }
    
    .stat-content {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .stat-content {
        padding: 1rem 1.5rem;
    }
    
    .stat-number {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .stat-content {
        padding: 0.8rem 1.2rem;
    }
    
    .stat-number {
        font-size: 1.2rem;
    }
    
    .stat-label {
        font-size: 1rem;
    }
    
    .check-icon {
        font-size: 1.3rem;
    }
}

.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: flex-end;
}

.main-image {
    width: 100%;
    max-width: 600px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
}

.floating-element {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    animation: float 5s infinite alternate ease-in-out;
    z-index: 3; /* 增加z-index值，确保显示在图片上方 */
}

.floating-element i {
    font-size: 2rem;
    color: var(--primary-color);
}

.floating-element span {
    font-weight: 600;
    font-size: 1.4rem;
}

.elem1 {
    top: 20%;
    left: -50px;
    animation-delay: 0s;
}

.elem2 {
    bottom: 30%;
    left: -30px;
    animation-delay: 1s;
}

.elem3 {
    top: 50%;
    right: -30px;
    animation-delay: 2s;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-15px);
    }
}

.hero-image-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    right: 0;
    background: radial-gradient(circle at center, rgba(57, 189, 212, 0.3) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: 1;
    animation: pulse 6s infinite alternate;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.4rem;
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    margin-top: 1rem;
    font-size: 2rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-20px) translateX(-50%);
    }
    60% {
        transform: translateY(-10px) translateX(-50%);
    }
}

/* 客服对话框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: linear-gradient(135deg, #ffffff 0%, #f0f8ff 100%);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 25px;
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
    position: relative;
}

.modal-header h2 {
    margin: 0;
    color: #333;
    font-size: 1.8rem;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: #333;
}

.modal-body {
    padding: 30px;
}

.modal-subtitle {
    text-align: center;
    color: #666;
    font-size: 1.4rem;
    margin-bottom: 30px;
}

/* 横版布局 */
.contact-methods {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
}

/* 控制二维码尺寸 */
.qrcode {
    width: 120px;
    height: 120px;
    margin-bottom: 15px;
    border-radius: 10px;
    object-fit: cover;
}

.contact-text {
    color: #333;
    font-size: 1.4rem;
    margin: 0;
    font-weight: 500;
}

/* 电话样式 */
.contact-phone {
    flex-direction: column;
    justify-content: center;
    gap: 10px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-phone i {
    color: var(--primary-color);
    font-size: 2.5rem;
}

.phone-info {
    text-align: center;
}

.contact-label {
    color: #666;
    font-size: 1.4rem;
    margin: 0 0 5px 0;
}

.phone-number {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
    text-decoration: none;
    transition: color 0.3s ease;
}

.phone-number:hover {
    color: #0056b3;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .modal-content {
        margin: 20px;
        max-width: 100%;
    }
    
    /* 小屏幕上恢复竖版布局 */
    .contact-methods {
        flex-direction: column;
        gap: 15px;
    }
    
    .qrcode {
        width: 100px;
        height: 100px;
    }
    
    .phone-number {
        font-size: 1.6rem;
    }
}