/* 全局样式 */
:root {
    --primary-color: #2C3E50;
    --secondary-color: #3498DB;
    --accent-color: #E74C3C;
    --light-color: #ECF0F1;
    --dark-color: #2C3E50;
    --text-color: #333;
    --light-text: #7F8C8D;
    --success-color: #27AE60;
    --warning-color: #F39C12;
    --danger-color: #E74C3C;
    --info-color: #3498DB;
    
    --font-family: 'Roboto', 'Arial', sans-serif;
    --heading-font: 'Montserrat', 'Arial', sans-serif;
    
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
    height: 100%;
    overflow: hidden;
}

/* 全屏滚动容器 */
.fullpage-container {
    height: 100vh;
    width: 100%;
    overflow: hidden;
    position: relative;
}

.fullpage-wrapper {
    height: 100%;
    width: 100%;
    position: relative;
    transition: transform 0.8s cubic-bezier(0.86, 0, 0.07, 1);
}

/* 滚动指示器 */
.scroll-indicator {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
}

.scroll-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: 2px solid var(--primary-color);
    margin: 15px 0;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.scroll-dot.active {
    background-color: var(--primary-color);
    transform: scale(1.3);
}

.scroll-dot:hover {
    background-color: var(--secondary-color);
    transform: scale(1.2);
}

.scroll-dot .tooltip {
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--primary-color);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.scroll-dot:hover .tooltip {
    opacity: 1;
}

/* 滚动箭头 */
.scroll-arrow {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    border-right: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    transform: translateX(-50%) rotate(45deg);
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 10;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0) rotate(45deg);
    }
    40% {
        transform: translateX(-50%) translateY(-10px) rotate(45deg);
    }
    60% {
        transform: translateX(-50%) translateY(-5px) rotate(45deg);
    }
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-links ul {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-color);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* 通用区块样式 */
.section {
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 0;
    position: relative;
}

.section-title {
    font-family: var(--heading-font);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--secondary-color);
}

/* 首页英雄区域 */
.hero-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-section .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero-title {
    font-family: var(--heading-font);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 30px;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 40px;
    line-height: 1.8;
    color: var(--text-color);
}

.hero-cta {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.2);
}

.btn-outline {
    background-color: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

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

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    position: relative;
    width: 300px;
    height: 300px;
}

.chain-link {
    position: absolute;
    width: 80px;
    height: 80px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--box-shadow);
    font-size: 1.8rem;
    color: var(--secondary-color);
    transition: var(--transition);
}

.chain-link:nth-child(1) {
    top: 20px;
    left: 110px;
    animation: float 3s ease-in-out infinite;
}

.chain-link:nth-child(2) {
    top: 110px;
    left: 20px;
    animation: float 3s ease-in-out infinite 0.5s;
}

.chain-link:nth-child(3) {
    top: 110px;
    left: 200px;
    animation: float 3s ease-in-out infinite 1s;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0);
    }
}

/* 核心亮点区域 */
.features-section {
    background-color: #f8f9fa;
}

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

.feature-card {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(52, 152, 219, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--secondary-color);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

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

/* 项目概览区域 */
.overview-content {
    display: flex;
    gap: 50px;
    align-items: flex-start;
}

.overview-text {
    flex: 3;
}

.team-preview {
    flex: 2;
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: var(--border-radius);
}

.team-preview h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.team-members {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.team-member {
    display: flex;
    align-items: center;
    gap: 15px;
}

.member-avatar {
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 1.2rem;
}

.team-member h4 {
    margin: 0;
    color: var(--primary-color);
}

.team-member p {
    margin: 0;
    color: var(--light-text);
    font-size: 0.9rem;
}

.key-metrics {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.metric {
    text-align: center;
    flex: 1;
}

.metric h3 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 5px;
}

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

/* 内容区域样式 */
.content-section {
    background-color: #f8f9fa;
}

.subsection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.subsection-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.subsection-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 卡片头部样式 */
.card-header {
    padding: 20px 30px;
    border-bottom: 1px solid #f0f0f0;
}

.card-header h3 {
    font-size: 1.5rem;
    margin: 0 0 10px 0;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 10px;
}

.card-header h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--secondary-color);
}

.card-summary {
    color: var(--light-text);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 卡片内容样式 */
.card-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.3s ease;
    padding: 0 30px;
}

.card-content p {
    color: var(--text-color);
    line-height: 1.7;
    padding: 20px 0;
}

/* 展开状态样式 */
.subsection-card.expanded {
    grid-column: span 2;
    z-index: 10;
}

.subsection-card.expanded .card-content {
    max-height: 1000px;
    padding: 0 30px 20px;
}

/* 居中展开动画 */
.subsection-card.centering {
    animation: centerCard 0.5s ease forwards;
}

@keyframes centerCard {
    0% {
        transform: scale(1) translateY(0);
    }
    50% {
        transform: scale(1.02) translateY(-10px);
    }
    100% {
        transform: scale(1) translateY(0);
    }
}

/* 融资金额样式 */
.financing-amount {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--success-color);
}

.financing-amount .currency {
    font-size: 1.8rem;
    margin-right: 5px;
}

/* 时间线样式 */
.timeline {
    position: relative;
    margin-top: 20px;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 2px;
    background-color: #e0e0e0;
}

.timeline-item {
    position: relative;
    padding-left: 30px;
    margin-bottom: 30px;
}

.timeline-marker {
    position: absolute;
    left: -6px;
    top: 5px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    border: 2px solid white;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.timeline-content h4 {
    margin-bottom: 5px;
    color: var(--primary-color);
}

.timeline-content p {
    color: var(--light-text);
}

/* 公司时间线样式 */
.company-timeline .timeline-item {
    margin-bottom: 40px;
}

/* 团队成员详情样式 */
.team-members-detail {
    margin-top: 20px;
}

.team-member-detail {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.team-member-detail:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.team-member-detail h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 价值观网格样式 */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

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

.value-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(52, 152, 219, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 15px;
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.value-item h4 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.value-item p {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* 产品与服务特定样式 */
.platform-features, .platform-value {
    margin-top: 20px;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
}

.function-list {
    margin-top: 20px;
}

.function-item {
    margin-bottom: 25px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    border-left: 4px solid #4361ee;
}

.function-details {
    margin-top: 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.function-details h5 {
    width: 100%;
    margin-bottom: 10px;
    color: #4361ee;
}

.function-details ul {
    flex: 1;
    min-width: 200px;
    margin: 0;
    padding-left: 20px;
}

.ux-principles, .ux-features {
    margin-top: 20px;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
}

.tech-stack, .tech-innovation {
    margin-top: 20px;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
}

.tech-stack h4, .tech-innovation h4 {
    margin-bottom: 10px;
    color: #4361ee;
    border-bottom: 1px solid rgba(67, 97, 238, 0.3);
    padding-bottom: 5px;
}

.roadmap-phases {
    margin-top: 20px;
}

.phase {
    margin-bottom: 25px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    position: relative;
}

.phase::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 20px;
    width: 10px;
    height: 10px;
    background-color: #4361ee;
    border-radius: 50%;
}

.phase h4 {
    color: #4361ee;
    margin-bottom: 15px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .function-details {
        flex-direction: column;
    }
    
    .function-details ul {
        margin-bottom: 15px;
    }
}

/* 运营计划特定样式 */
.operational-components, .team-departments, .process-categories, .quality-aspects, .metric-categories {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.operational-component, .team-department, .process-category, .quality-aspect, .metric-category {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 财务规划特定样式 */
.revenue-sources, .cost-categories, .financial-tables, .funding-stages, .risk-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 15px;
}

.revenue-source, .cost-category, .financial-table, .funding-stage, .risk-category {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 15px;
    flex: 1;
    min-width: 250px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.financial-table table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.financial-table th, .financial-table td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.financial-table th {
    background: rgba(255, 255, 255, 0.1);
    font-weight: 600;
}

/* 营销策略特定样式 */
.audience-segments, .positioning-elements, .channel-categories, .activity-types, .partnership-types {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.audience-segment, .positioning-element, .channel-category, .activity-type, .partnership-type {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.channel-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.channel-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 1rem;
}

/* 市场分析特定样式 */
.market-stats {
    display: flex;
    justify-content: space-between;
    margin: 20px 0;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 15px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 10px;
    flex: 1;
    min-width: 120px;
    margin: 0 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.stat-value {
    font-size: 24px;
    font-weight: bold;
    color: #4361ee;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: #495057;
}

.customer-groups {
    margin-top: 20px;
}

.customer-group {
    margin-bottom: 25px;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
}

.customer-type {
    margin-bottom: 15px;
    padding-left: 15px;
    border-left: 3px solid #4361ee;
}

.competitor-analysis {
    margin-top: 20px;
}

.competitor {
    margin-bottom: 25px;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
}

.pros-cons {
    display: flex;
    margin: 15px 0;
    flex-wrap: wrap;
}

.pros, .cons {
    flex: 1;
    min-width: 200px;
    padding: 15px;
    margin: 0 10px;
    border-radius: 8px;
}

.pros {
    background-color: rgba(67, 97, 238, 0.1);
    border-left: 3px solid #4361ee;
}

.cons {
    background-color: rgba(255, 107, 107, 0.1);
    border-left: 3px solid #ff6b6b;
}

.our-strategy {
    margin-top: 25px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 10px;
    border: 1px dashed #4361ee;
}

.segmentation-criteria {
    margin-top: 20px;
}

.criterion {
    margin-bottom: 20px;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
}

.future-trends, .market-forecast {
    margin-top: 20px;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .market-stats {
        flex-direction: column;
    }
    
    .stat-item {
        margin: 10px 0;
    }
    
    .pros-cons {
        flex-direction: column;
    }
    
    .pros, .cons {
        margin: 10px 0;
    }
}

/* 页脚样式 */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: 40px;
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-section .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
    }
    
    .overview-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .subsection-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .key-metrics {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .section {
        padding: 60px 0;
    }
    
    .hero-section {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 20px;
    }
}