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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f9fafb;
    color: #374151;
    line-height: 1.6;
}

/* 导航栏样式 */
.nav-fixed {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background-color: #ffffff;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid #e5e7eb;
}

.nav-container {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 3.5rem;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-icon {
    width: 1.5rem;
    height: 1.5rem;
    background-color: #7c3aed;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.5rem;
}

.logo-icon::after {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    background-color: white;
    border-radius: 50%;
}

.logo-text {
    font-weight: 600;
    font-size: 1.125rem;
    color: #1f2937;
}

.nav-links {
    display: none;
    gap: 1.5rem;
}

.nav-link {
    color: #6b7280;
    transition: color 0.3s ease;
    font-size: 0.875rem;
    text-decoration: none;
}

.nav-link:hover {
    color: #7c3aed;
}

.nav-button {
    background-color: #7c3aed;
    color: white;
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.nav-button:hover {
    background-color: #6d28d9;
}

/* 英雄区域样式 */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    margin-top: 3.5rem;
}

.hero-container {
    max-width: 56rem;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
}

.hero-title {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.75rem;
}

.btn-primary {
    background-color: white;
    color: #7c3aed;
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    font-weight: 500;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #f3f4f6;
}

.btn-secondary {
    border: 1px solid white;
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    font-weight: 500;
    font-size: 0.875rem;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: white;
    color: #7c3aed;
}

/* 通用区域样式 */
.section-white {
    background-color: white;
    padding: 3rem 0;
}

.section-gray {
    background-color: #f9fafb;
    padding: 3rem 0;
}

.section-container {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    color: #1f2937;
    margin-bottom: 2rem;
}

/* 优势卡片样式 */
.advantages-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.advantage-card {
    background-color: #f9fafb;
    padding: 1.5rem;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-0.125rem);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.advantage-header {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
}

.advantage-icon {
    width: 2rem;
    height: 2rem;
    background-color: #ede9fe;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
}

.advantage-icon::after {
    content: '';
    width: 1rem;
    height: 1rem;
    background-color: #7c3aed;
    border-radius: 50%;
}

.advantage-title {
    font-size: 1.125rem;
    font-weight: 500;
}

.advantage-text {
    color: #6b7280;
    font-size: 0.875rem;
}

/* 成功案例样式 - 重新设计 */
.cases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.case-card {
    background-color: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 0;
}

.case-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.case-avatar {
    width: 5rem;
    height: 5rem;
    border-radius: 2.5rem;
    margin-right: 1rem;
    object-fit: cover;
    flex-shrink: 0;
}

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

.case-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.25rem;
}

.case-condition {
    color: #7c3aed;
    font-size: 0.875rem;
}

.case-description {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.case-quote {
    font-size: 0.75rem;
    color: #9ca3af;
    font-style: italic;
    border-left: 3px solid #ede9fe;
    padding-left: 0.75rem;
    margin-top: auto;
}

/* 流程时间轴样式 */
.process-timeline {
    position: relative;
    max-width: 56rem;
    margin: 0 auto 2rem;
}

.timeline-item {
    position: relative;
    margin-bottom: 1.25rem;
    padding-left: 3.5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 2rem;
    height: 2rem;
    background-color: #7c3aed;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

.step-content {
    background-color: white;
    padding: 1.25rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
	border: 1px solid #e6dfdf30;
}

.step-content:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.step-title {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.step-description {
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.step-duration {
    font-size: 0.75rem;
    color: #7c3aed;
    background-color: #f3f4f6;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    display: inline-block;
}

.timeline-connector {
    position: relative;
    height: 2.5rem;
    margin-left: 1rem;
}

.timeline-connector::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, #8b5cf6, #ec4899);
}

/* CTA区域样式 */
.cta-section {
    background: linear-gradient(to right, #8b5cf6, #ec4899);
    border-radius: 0.75rem;
    padding: 1.5rem;
    color: white;
    text-align: center;
    max-width: 56rem;
    margin: 0 auto;
}

.cta-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.cta-text {
    margin-bottom: 1rem;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
    font-size: 0.875rem;
}

.btn-cta {
    background-color: white;
    color: #7c3aed;
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    font-weight: 500;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-cta:hover {
    background-color: #f3f4f6;
}

/* 联系信息样式 */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.contact-card {
    background-color: white;
    padding: 1.25rem;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.contact-card-title {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

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

.contact-item {
    display: flex;
    align-items: center;
}

.contact-icon {
    width: 1.25rem;
    height: 1.25rem;
    background-color: #7c3aed;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.5rem;
}

.contact-icon::after {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    background-color: white;
    border-radius: 50%;
}

.contact-text {
    font-size: 0.875rem;
}

.contact-list {
    list-style-type: disc;
    list-style-position: inside;
    color: #6b7280;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.875rem;
}

.contact-list-item {
    margin-left: 0.5rem;
}

/* 页脚样式 */
.footer {
    background-color: #1f2937;
    color: white;
    padding: 1.5rem 0;
}

.footer-container {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
}

.footer-text {
    font-size: 0.875rem;
}

.footer-copyright {
    margin-top: 0.25rem;
    color: #9ca3af;
    font-size: 0.75rem;
}

/* 响应式设计 */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    .hero-buttons {
        flex-direction: row;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .section-title {
        font-size: 1.875rem;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.8s ease-in;
}

.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}