* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

body {
    background-color: #F7FAFC;
    color: #2D3748;
    line-height: 1.6;
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.container {
    width: 100%;
    max-width: 1580px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 标题样式优化 */
h1, h2, h3, h4 {
    line-height: 1.3;
    font-weight: 700;
    position: relative;
}

h1 {
    font-size: 2.8rem;
    color: #171923;
}

h2 {
    font-size: 2.2rem;
    color: #1A365D;
    margin-bottom: 15px;
    text-align: center;
    position: relative;
}

h2 + p.subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #4A5568;
    max-width: 700px;
    margin: 0 auto 50px;
    line-height: 1.7;
}

h3 {
    font-size: 1.5rem;
    color: #1A365D;
    margin-bottom: 20px;
}

/* 文本样式 */
.text-center {
    text-align: center;
}

.text-primary {
    color: #3182CE;
}

.lead {
    font-size: 1.2rem;
    color: #4A5568;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto 30px;
}

/* 按钮样式 - 更具识别度 */
.btn {
    display: inline-block;
    padding: 13px 30px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: #3182CE;
    color: #FFFFFF;
    box-shadow: 0 4px 14px rgba(49, 130, 206, 0.3);
}

.btn-primary:hover {
    background-color: #2B6CB0;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(49, 130, 206, 0.4);
}

.btn-secondary {
    background-color: #FFFFFF;
    color: #3182CE;
    border: 1px solid #3182CE;
}

.btn-secondary:hover {
    background-color: rgba(49, 130, 206, 0.05);
    transform: translateY(-2px);
}

.btn-telegram {
    background-color: #0088cc;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-telegram:hover {
    background-color: #007ab8;
    transform: translateY(-2px);
}

.btn-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin: 30px 0;
}

/* 区块样式 - 增强分层感 */
.section {
    padding: 100px 0;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-sm {
    padding: 70px 0;
}

.section-card {
    background-color: #FFFFFF;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    padding: 60px;
    position: relative;
    margin-bottom: 60px;
    border-top: 5px solid #3182CE;
}

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, #E2E8F0, transparent);
    margin: 40px 0;
}

/* 顶部标题区 - 优化布局 */
.hero {
    padding: 120px 0 100px;
    background: linear-gradient(135deg, #1A365D 0%, #2C5282 100%);
    color: #FFFFFF;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 45%),
        radial-gradient(circle at 75% 60%, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
}

.hero-content {
    position: relative;
    max-width: 1200px;
    margin: 30px auto 0;
    text-align: center;
}

.hero h1 {
    color: #FFFFFF;
    font-size: 3rem;
    margin-bottom: 25px;
}

.hero h1 span {
    position: relative;
}

.hero h1 span::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #4299E1;
    border-radius: 3px;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.8;
}

.seo-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.seo-tag {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.seo-tag:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* 核心价值模块 - 新增顶部模块 */
.core-values {
    background-color: #FFFFFF;
    padding: 60px 0;
    margin: -60px 0 60px;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(49, 130, 206, 0.15);
    position: relative;
    z-index: 10;
}

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

.value-item {
    text-align: center;
    padding: 25px 15px;
}

.value-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background-color: rgba(49, 130, 206, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-icon i {
    font-size: 24px;
    color: #3182CE;
}

.value-item h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.value-item p {
    color: #4A5568;
    font-size: 0.95rem;
}

/* 卖点展示模块 - 卡片式布局替代时间轴 */
.pricing-section {
    background-color: #F7FAFC;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.pricing-card {
    background-color: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid #EDF2F7;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(49, 130, 206, 0.2);
    border-color: transparent;
}

.pricing-card.popular {
    transform: scale(1.03);
    border-color: #3182CE;
}

.pricing-card.popular::before {
    content: '热门选择';
    position: absolute;
    top: 0;
    right: 0;
    background-color: #ED8936;
    color: white;
    padding: 5px 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header {
    background: linear-gradient(135deg, #1A365D 0%, #2C5282 100%);
    color: white;
    padding: 30px 25px;
    text-align: center;
}

.pricing-period {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.pricing-desc {
    opacity: 0.9;
    font-size: 0.95rem;
}

.pricing-body {
    padding: 30px 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
    flex-grow: 1;
}

.pricing-features li {
    margin-bottom: 15px;
    padding-left: 28px;
    position: relative;
    font-size: 0.95rem;
    line-height: 1.5;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #38A169;
    font-weight: bold;
    font-size: 1.1rem;
}

.pricing-cta {
    margin-top: auto;
    text-align: center;
}

/* 优势对比模块 - 新增对比表格 */
.comparison-section {
    background-color: #FFFFFF;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 30px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid #EDF2F7;
}

.comparison-table th {
    background-color: #F7FAFC;
    font-weight: 600;
    width: 33.333%;
}

.comparison-table th:first-child {
    width: 34%;
    background-color: #2C5282;
    color: white;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.feature-icon {
    display: inline-block;
    width: 24px;
    text-align: center;
    margin-right: 8px;
}

.feature-check {
    color: #38A169;
}

.feature-times {
    color: #E53E3E;
}

/* 应用场景模块 - 优化网格布局 */
.scenarios {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 35px;
    margin-top: 30px;
}

.scenario-card {
    background-color: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.scenario-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(49, 130, 206, 0.2);
}

.scenario-image {
    height: 160px;
    background-color: #EDF2F7;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.scenario-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(49, 130, 206, 0.05) 0%, rgba(56, 178, 172, 0.05) 100%);
}

.scenario-image i {
    font-size: 45px;
    color: #3182CE;
    position: relative;
    z-index: 1;
}

.scenario-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.scenario-card p {
    color: #4A5568;
    margin-top: 10px;
    flex-grow: 1;
}

.scenario-link {
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
    color: #3182CE;
    font-weight: 500;
    font-size: 0.95rem;
}

.scenario-link i {
    margin-left: 5px;
    transition: all 0.3s ease;
}

.scenario-card:hover .scenario-link i {
    transform: translateX(5px);
}

/* FAQ模块 - 左侧图标设计优化 */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px 25px;
    text-align: left;
    background-color: #FFFFFF;
    border: 1px solid #EDF2F7;
    font-size: 1.1rem;
    font-weight: 600;
    color: #171923;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background-color: #F7FAFC;
}

.faq-question i {
    color: #3182CE;
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.faq-question .toggle-icon {
    margin-left: auto;
    transition: all 0.3s ease;
}

.faq-question.active .toggle-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 25px 0 65px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    background-color: #FFFFFF;
    border-left: 1px solid #EDF2F7;
    border-right: 1px solid #EDF2F7;
    border-bottom: 1px solid #EDF2F7;
}

.faq-answer.active {
    padding: 25px 25px 25px 65px;
    max-height: 500px;
}

.faq-answer p {
    color: #4A5568;
    line-height: 1.7;
}

/* 客户评价模块 - 新增社交证明 */
.testimonials {
    background-color: #F7FAFC;
}

.testimonial-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.testimonial-card {
    background-color: #FFFFFF;
    padding: 35px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(49, 130, 206, 0.2);
}

.testimonial-text {
    font-style: italic;
    color: #4A5568;
    margin-bottom: 25px;
    position: relative;
    padding-left: 25px;
}

.testimonial-text::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 3rem;
    color: rgba(49, 130, 206, 0.1);
    font-family: Georgia, serif;
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #EDF2F7;
    margin-right: 15px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3182CE;
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 3px;
}

.author-info p {
    font-size: 0.85rem;
    color: #718096;
}

.testimonial-rating {
    color: #ED8936;
    margin-top: 5px;
}

/* CTA区域 - 优化转化引导 */
.cta-section {
    background: linear-gradient(135deg, #1A365D 0%, #2C5282 100%);
    padding: 120px 0;
    margin-top: 80px;
    color: #FFFFFF;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.05) 0%, transparent 30%);
}

.cta-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    color: #FFFFFF;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.8;
}

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

.cta-btn {
    padding: 15px 40px;
    font-size: 1.05rem;
}

.cta-extra {
    margin-top: 40px;
    padding: 25px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: inline-block;
}

.cta-extra p {
    margin-bottom: 0;
    font-size: 1rem;
}

/* 移动版对比表格 */
.comparison-mobile {
    display: none;
}

.comparison-item {
    background-color: #FFFFFF;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.comparison-item h4 {
    margin-bottom: 15px;
    color: #1A365D;
}

.comparison-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.comparison-option {
    padding: 10px;
    border-radius: 10px;
    background-color: #F7FAFC;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.comparison-option span:first-child {
    font-weight: 500;
}

/* 响应式设计 - 更精细的适配 */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-sm {
        padding: 60px 0;
    }
    
    h1 {
        font-size: 2.4rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero h1 {
        font-size: 2.6rem;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .scenarios {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 540px;
    }
    
    h1 {
        font-size: 2.1rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    h3 {
        font-size: 1.4rem;
    }
    
    .hero {
        padding: 100px 0 80px;
    }
    
    .hero h1 {
        font-size: 2.3rem;
    }
    
    .section-card {
        padding: 40px 25px;
    }
    
    .btn {
        padding: 12px 26px;
        font-size: 0.95rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 15px 10px;
        font-size: 0.9rem;
    }
    
    .values-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .container {
        max-width: 100%;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-sm {
        padding: 50px 0;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .btn-group {
        gap: 12px;
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .values-container,
    .pricing-cards,
    .scenarios,
    .testimonial-cards {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        display: none;
    }
    
    .comparison-mobile {
        display: block;
    }
    
    .cta-btn {
        width: 100%;
    }
}