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

:root {
    --primary-color: #64ffda;
    --secondary-color: #8892b0;
    --background-color: #0a192f;
    --surface-color: #112240;
    --text-primary: #ccd6f6;
    --text-secondary: #8892b0;
    --accent-color: #64ffda;
    --border-color: #233554;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --gradient-primary: linear-gradient(135deg, #64ffda 0%, #1a73e8 100%);
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

/* 主页部分 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0 80px;
    position: relative;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 3rem;
    z-index: 2;
    position: relative;
}

.hero-text {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    text-align: center;
}

.greeting {
    display: block;
    color: var(--text-secondary);
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.name {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(100, 255, 218, 0.3);
}

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

.btn-secondary:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

/* 左侧卡片 */
.hero-cards-left {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(calc(-100% - 400px - 1rem), -50%);
    display: flex;
    flex-direction: column;
    gap: 3rem;
    z-index: 1;
}

.hero-cards-left .floating-card:nth-child(1) {
    transform: translateX(-20px) translateY(-30px);
    animation-delay: 0s;
}

.hero-cards-left .floating-card:nth-child(2) {
    transform: translateX(20px) translateY(-15px);
    animation-delay: 2s;
}

/* 右侧卡片 */
.hero-cards-right {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(calc(400px + 1rem), -50%);
    display: flex;
    flex-direction: column;
    gap: 3rem;
    z-index: 1;
}

.hero-cards-right .floating-card:nth-child(1) {
    transform: translateX(20px) translateY(15px);
    animation-delay: 1s;
}

.hero-cards-right .floating-card:nth-child(2) {
    transform: translateX(-20px) translateY(30px);
    animation-delay: 3s;
}

/* 浮动卡片 */
.floating-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.8rem;
    box-shadow: 0 15px 35px var(--shadow-color);
    transition: all 0.4s ease;
    animation: float 8s ease-in-out infinite;
    width: 220px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(100, 255, 218, 0.1);
}

.floating-card:hover {
    transform: translateY(-15px) scale(1.05);
    box-shadow: 0 25px 50px rgba(100, 255, 218, 0.2);
    border-color: var(--primary-color);
}

.card-content {
    text-align: center;
}

.card-content i {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 1.2rem;
    transition: all 0.3s ease;
}

.floating-card:hover .card-content i {
    transform: scale(1.1);
    color: var(--primary-color);
}

.card-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
    }
    25% { 
        transform: translateY(-10px) rotate(1deg); 
    }
    50% { 
        transform: translateY(-20px) rotate(0deg); 
    }
    75% { 
        transform: translateY(-10px) rotate(-1deg); 
    }
}

/* 通用部分样式 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
    width: 100%;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 关于部分 */
.about {
    padding: 100px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.skills {
    margin-top: 2rem;
}

.skill-category {
    margin-bottom: 2rem;
}

.skill-category h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: var(--surface-color);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--primary-color);
    color: var(--background-color);
    transform: translateY(-2px);
}

/* AI类产品特殊样式 */
.skill-tag.ai-focus {
    background: var(--gradient-primary);
    color: var(--background-color);
    font-weight: 600;
    border: 2px solid var(--primary-color);
    animation: pulse 2s infinite;
    position: relative;
}

.skill-tag.ai-focus:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(100, 255, 218, 0.4);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(100, 255, 218, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(100, 255, 218, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(100, 255, 218, 0);
    }
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.experience-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.experience-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.exp-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.exp-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 项目部分 */
.projects {
    padding: 50px 0;
    background: transparent;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 网状图样式 */
.network-diagram {
    position: relative;
    width: 100vw;
    height: 80vh;
    margin: 0;
    background: transparent;
    overflow: hidden;
}

.network-node {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 2;
    background: transparent;
    border: none;
}

/* 核心节点样式 */
.core-node {
    width: auto;
    height: auto;
    background: transparent;
    border: none;
}

.core-node:hover {
    transform: scale(1.1);
}

/* 子节点样式 */
.sub-node {
    width: auto;
    height: auto;
    background: transparent;
    border: none;
}

.sub-node:hover {
    transform: scale(1.05);
}

/* 节点文本样式 */
.node-text {
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    background: transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
}

.node-text::before {
    content: "•";
    color: var(--text-primary);
    margin-right: 0.3rem;
    font-weight: bold;
}

.core-node .node-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.core-node .node-text::before {
    color: var(--primary-color);
}

.sub-node .node-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.network-node:hover .node-text {
    color: var(--primary-color);
    background: rgba(100, 255, 218, 0.1);
}

/* 核心节点位置 - 形成网状中心 */
.product-node {
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
}

.tech-node {
    top: 50%;
    left: 20%;
}

.ai-node {
    top: 50%;
    right: 20%;
}

.business-node {
    top: 80%;
    left: 50%;
    transform: translateX(-50%);
}

/* 产品相关子节点 - 围绕产品节点 */
.fintech-node {
    top: 15%;
    left: 35%;
}

.o2o-node {
    top: 25%;
    left: 56%;
}

.platform-node {
    top: 30%;
    left: 40%;
}

.sns-node {
    top: 35%;
    left: 60%;
}

.tob-node {
    top: 10%;
    left: 40%;
}

.toc-node {
    top: 40%;
    left: 50%;
}

/* 技术相关子节点 - 围绕技术节点 */
.frontend-node {
    top: 45%;
    left: 10%;
}

.backend-node {
    top: 55%;
    left: 15%;
}

.mobile-node {
    top: 65%;
    left: 10%;
}

.fullstack-node {
    top: 60%;
    left: 25%;
}

.react-node {
    top: 50%;
    left: 30%;
}

.vue-node {
    top: 40%;
    left: 20%;
}

.nodejs-node {
    top: 55%;
    left: 8%;
}

.python-node {
    top: 65%;
    left: 18%;
}

/* AI相关子节点 - 围绕AI节点 */
.ml-node {
    top: 45%;
    right: 10%;
}

.nlp-node {
    top: 40%;
    right: 15%;
}

.cv-node {
    top: 65%;
    right: 10%;
}

.tensorflow-node {
    top: 50%;
    right: 25%;
}

.pytorch-node {
    top: 65%;
    right: 20%;
}

/* 商业相关子节点 - 围绕商业节点 */
.startup-node {
    top: 70%;
    left: 43%;
}

.investment-node {
    top: 85%;
    left: 40%;
}

.strategy-node {
    top: 83%;
    left: 55%;
}

/* 经验相关子节点 - 分散布局 */
.experience-node {
    top: 5%;
    left: 50%;
    transform: translateX(-50%);
}

.users-node {
    top: 8%;
    left: 60%;
}

.revenue-node {
    top: 68%;
    left: 55%;
}

.team-node {
    top: 95%;
    left: 50%;
    transform: translateX(-50%);
}

.project-card {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.project-image {
    position: relative;
    height: 200px;
    background: var(--surface-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-placeholder {
    font-size: 3rem;
    color: var(--primary-color);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(100, 255, 218, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--background-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.project-link:hover {
    transform: scale(1.1);
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: var(--surface-color);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

/* 联系部分 */
.contact {
    padding: 100px 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1000px;
    width: 100%;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 40px;
    text-align: center;
}

.contact-method h4 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

.contact-method p {
    color: var(--text-secondary);
    margin: 0;
}

/* 微信二维码容器 */
.qr-code-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-code-placeholder {
    background: var(--surface-color);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    width: 300px;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    overflow: hidden;
}

.qr-code-placeholder:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.qr-code-image {
    width: 280px;
    height: 280px;
    object-fit: contain;
    border-radius: 8px;
}

.qr-code-placeholder p {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.qr-code-placeholder small {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
        min-height: auto;
    }
    
    body {
        display: block;
        min-height: auto;
    }
    
    .hero {
        min-height: auto;
        padding: 60px 0 40px;
        flex-direction: column;
    }
    
    .hero-content {
        gap: 2rem;
        margin-bottom: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    /* 移动端卡片布局 - 完全重新设计 */
    .hero-cards-left,
    .hero-cards-right {
        position: static;
        transform: none;
        flex-direction: row;
        justify-content: center;
        gap: 1rem;
        margin: 2rem 0;
        width: 100%;
    }
    
    .hero-cards-left .floating-card:nth-child(1),
    .hero-cards-left .floating-card:nth-child(2),
    .hero-cards-right .floating-card:nth-child(1),
    .hero-cards-right .floating-card:nth-child(2) {
        transform: none;
        animation: none;
    }
    
    .floating-card {
        width: 140px;
        padding: 1rem;
        margin: 0;
    }
    
    .card-content i {
        font-size: 1.5rem;
        margin-bottom: 0.8rem;
    }
    
    .card-content h3 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .card-content p {
        font-size: 0.8rem;
        display: none; /* 移动端隐藏描述文字 */
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .qr-code-placeholder {
        width: 250px;
        height: 250px;
    }
    
    .qr-code-image {
        width: 230px;
        height: 230px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    /* 移动端网状图优化 */
    .network-diagram {
        height: 60vh;
        min-height: 400px;
        position: relative;
        overflow: visible;
    }
    
    .network-node {
        position: absolute;
    }
    
    .core-node .node-text {
        font-size: 0.9rem;
    }
    
    .sub-node .node-text {
        font-size: 0.7rem;
    }
    
    /* 移动端节点位置调整 */
    .product-node {
        top: 10%;
        left: 50%;
    }
    
    .tech-node {
        top: 30%;
        left: 15%;
    }
    
    .ai-node {
        top: 30%;
        right: 15%;
    }
    
    .business-node {
        top: 70%;
        left: 50%;
    }
    
    /* 子节点位置调整 */
    .fintech-node {
        top: 5%;
        left: 30%;
    }
    
    .o2o-node {
        top: 15%;
        left: 60%;
    }
    
    .platform-node {
        top: 20%;
        left: 35%;
    }
    
    .sns-node {
        top: 25%;
        left: 65%;
    }
    
    .tob-node {
        top: 0%;
        left: 35%;
    }
    
    .toc-node {
        top: 30%;
        left: 55%;
    }
    
    .frontend-node {
        top: 35%;
        left: 5%;
    }
    
    .backend-node {
        top: 45%;
        left: 10%;
    }
    
    .mobile-node {
        top: 55%;
        left: 5%;
    }
    
    .fullstack-node {
        top: 50%;
        left: 20%;
    }
    
    .react-node {
        top: 40%;
        left: 25%;
    }
    
    .vue-node {
        top: 30%;
        left: 15%;
    }
    
    .nodejs-node {
        top: 45%;
        left: 3%;
    }
    
    .python-node {
        top: 55%;
        left: 13%;
    }
    
    .ml-node {
        top: 35%;
        right: 5%;
    }
    
    .nlp-node {
        top: 30%;
        right: 10%;
    }
    
    .cv-node {
        top: 55%;
        right: 5%;
    }
    
    .tensorflow-node {
        top: 40%;
        right: 20%;
    }
    
    .pytorch-node {
        top: 55%;
        right: 15%;
    }
    
    .startup-node {
        top: 60%;
        left: 38%;
    }
    
    .investment-node {
        top: 80%;
        left: 35%;
    }
    
    .strategy-node {
        top: 78%;
        left: 60%;
    }
    
    .experience-node {
        top: 0%;
        left: 50%;
    }
    
    .users-node {
        top: 3%;
        left: 65%;
    }
    
    .revenue-node {
        top: 58%;
        left: 60%;
    }
    
    .team-node {
        top: 90%;
        left: 50%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .hero {
        padding: 40px 0 30px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 200px;
        text-align: center;
    }
    
    /* 小屏幕卡片布局 */
    .hero-cards-left,
    .hero-cards-right {
        flex-direction: row;
        gap: 0.5rem;
        margin: 1.5rem 0;
    }
    
    .floating-card {
        width: 110px;
        padding: 0.8rem;
    }
    
    .card-content i {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
    }
    
    .card-content h3 {
        font-size: 0.9rem;
        margin-bottom: 0.3rem;
    }
    
    .qr-code-placeholder {
        width: 200px;
        height: 200px;
    }
    
    .qr-code-image {
        width: 180px;
        height: 180px;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .section-header p {
        font-size: 0.9rem;
    }
    
    /* 小屏幕网状图进一步优化 */
    .network-diagram {
        height: 50vh;
        min-height: 350px;
    }
    
    .core-node .node-text {
        font-size: 0.8rem;
    }
    
    .sub-node .node-text {
        font-size: 0.6rem;
    }
    
    /* 更紧凑的节点位置 */
    .product-node {
        top: 8%;
    }
    
    .tech-node {
        top: 25%;
        left: 10%;
    }
    
    .ai-node {
        top: 25%;
        right: 10%;
    }
    
    .business-node {
        top: 75%;
    }
    
    /* 子节点更紧凑布局 */
    .fintech-node {
        top: 2%;
        left: 25%;
    }
    
    .o2o-node {
        top: 12%;
        left: 65%;
    }
    
    .platform-node {
        top: 18%;
        left: 30%;
    }
    
    .sns-node {
        top: 22%;
        left: 70%;
    }
    
    .tob-node {
        top: 0%;
        left: 30%;
    }
    
    .toc-node {
        top: 28%;
        left: 60%;
    }
    
    .frontend-node {
        top: 32%;
        left: 2%;
    }
    
    .backend-node {
        top: 42%;
        left: 8%;
    }
    
    .mobile-node {
        top: 52%;
        left: 2%;
    }
    
    .fullstack-node {
        top: 47%;
        left: 18%;
    }
    
    .react-node {
        top: 37%;
        left: 22%;
    }
    
    .vue-node {
        top: 27%;
        left: 12%;
    }
    
    .nodejs-node {
        top: 42%;
        left: 0%;
    }
    
    .python-node {
        top: 52%;
        left: 10%;
    }
    
    .ml-node {
        top: 32%;
        right: 2%;
    }
    
    .nlp-node {
        top: 27%;
        right: 8%;
    }
    
    .cv-node {
        top: 52%;
        right: 2%;
    }
    
    .tensorflow-node {
        top: 37%;
        right: 18%;
    }
    
    .pytorch-node {
        top: 52%;
        right: 12%;
    }
    
    .startup-node {
        top: 65%;
        left: 35%;
    }
    
    .investment-node {
        top: 85%;
        left: 30%;
    }
    
    .strategy-node {
        top: 83%;
        left: 65%;
    }
    
    .experience-node {
        top: 0%;
    }
    
    .users-node {
        top: 2%;
        left: 70%;
    }
    
    .revenue-node {
        top: 63%;
        left: 65%;
    }
    
    .team-node {
        top: 95%;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 鼠标跟随效果 */
.cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease;
}

.cursor-follower {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s ease;
}