/* 财经商贸主题样式 - 现代金融风格 */

:root {
    /* 财经主题色彩系统 */
    --finance-gold: #FFD700;
    --finance-navy: #1e3a5f;
    --finance-blue: #2563eb;
    --finance-green: #10b981;
    --finance-red: #ef4444;
    --finance-silver: #94a3b8;
    --finance-dark: #0f172a;
    --finance-purple: #7c3aed;
    
    /* 渐变色 */
    --gold-gradient: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FF8C00 100%);
    --profit-gradient: linear-gradient(135deg, #10b981 0%, #34d399 50%, #6ee7b7 100%);
    --tech-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 50%, #60a5fa 100%);
    --premium-gradient: linear-gradient(135deg, #1e3a5f 0%, #2563eb 50%, #7c3aed 100%);
    
    /* 基础色 */
    --primary: #2563eb;
    --secondary: #FFD700;
    --accent: #10b981;
    --dark: #0f172a;
    --light: #ffffff;
    --bg-dark: #030712;
    --bg-card: #111827;
    --text-light: rgba(255, 255, 255, 0.95);
    --text-muted: rgba(255, 255, 255, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Inter', 'PingFang SC', -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
    line-height: 1.6;
}

/* 导航栏 - 专业金融风格 */
.finance-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 15px 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

.finance-nav.scrolled {
    padding: 10px 0;
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.nav-logo i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 10px;
    list-style: none;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.nav-link:hover {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
}

.nav-link.active {
    background: var(--primary);
    color: white;
}

/* 英雄区域 - 金融数据可视化风格 */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 80px 20px 40px;
    background: radial-gradient(ellipse at top, #1e3a5f 0%, var(--bg-dark) 50%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

/* 股票K线图背景动画 */
.chart-background {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.1;
}

.chart-line {
    position: absolute;
    bottom: 0;
    width: 2px;
    background: var(--finance-green);
    animation: chartGrow 3s ease-in-out infinite;
}

.chart-line.red {
    background: var(--finance-red);
}

@keyframes chartGrow {
    0% {
        height: 0;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        height: 60%;
        opacity: 0;
    }
}

/* 数字雨效果 */
.finance-matrix {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.matrix-column {
    position: absolute;
    top: -100%;
    font-family: monospace;
    font-size: 14px;
    color: var(--finance-green);
    animation: matrixFall 10s linear infinite;
    opacity: 0.5;
}

@keyframes matrixFall {
    to {
        transform: translateY(200vh);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid var(--finance-gold);
    border-radius: 30px;
    margin-bottom: 30px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.hero-badge i {
    color: var(--finance-gold);
}

.hero-badge span {
    color: var(--finance-gold);
    font-weight: 600;
    font-size: 0.9rem;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.1;
    background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: #2563eb; /* 降级方案 */
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--text-muted);
    margin-bottom: 30px;
    font-weight: 300;
}

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

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

.btn-primary {
    padding: 15px 35px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    padding: 15px 35px;
    background: transparent;
    color: var(--text-light);
    text-decoration: none;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    color: var(--primary);
}

/* 统计数据展示 */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 60px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 关于我部分 - 专业商务风格 */
.about-section {
    padding: 100px 20px;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--tech-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
}

.profile-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* 移除蓝色遮罩 */

.profile-image {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    margin: 0 auto 30px;
    position: relative;
    z-index: 1;
    border: 4px solid var(--primary);
    box-shadow: 0 10px 40px rgba(37, 99, 235, 0.3);
    object-fit: cover;
    object-position: center;
}

.profile-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.profile-title {
    color: var(--finance-gold);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.profile-info {
    text-align: left;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.info-item:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateX(5px);
}

.info-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    border-radius: 10px;
    color: white;
    font-size: 1.2rem;
}

.info-content {
    flex: 1;
}

.info-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.info-value {
    font-weight: 600;
    color: var(--text-light);
}

/* 技能部分 - 财经专业技能展示 */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.skill-card:hover::before {
    transform: scaleX(1);
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.skill-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--tech-gradient);
    border-radius: 15px;
    font-size: 1.8rem;
    color: white;
    margin-bottom: 20px;
}

.skill-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.skill-description {
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    padding: 6px 15px;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid var(--finance-gold);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--finance-gold);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--finance-gold);
    color: var(--dark);
}

/* 项目展示 - 商业案例风格 */
.projects-section {
    padding: 100px 20px;
}

/* 项目卡片网格布局 */
.projects-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 40px;
    margin-top: 60px;
}

.project-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: 1fr !important;
    }
}

.project-image {
    position: relative;
    height: 320px;
    overflow: hidden;
    background: var(--premium-gradient);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 6px 12px;
    background: var(--finance-green);
    color: white;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

.project-content {
    padding: 35px;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-light);
}

.project-description {
    color: var(--text-muted);
    margin-bottom: 25px;
    line-height: 1.6;
}

.project-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.metric-icon {
    color: var(--finance-gold);
    font-size: 1.2rem;
}

.metric-value {
    font-weight: 600;
    color: var(--text-light);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.project-link:hover {
    gap: 15px;
}

/* 教育背景 - 学术专业风格 */
.education-section {
    padding: 100px 20px;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}

.education-card {
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(255, 215, 0, 0.15);
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
    max-width: 900px;
    margin: 0 auto;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--gold-gradient);
}

.education-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 30px;
}

.education-info {
    flex: 1;
}

.university-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-light);
}

.degree-info {
    color: var(--finance-gold);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.education-period {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.education-logo {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--premium-gradient);
    border-radius: 15px;
    font-size: 2rem;
    color: white;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.course-item {
    padding: 15px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.course-item:hover {
    background: rgba(37, 99, 235, 0.1);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.course-name {
    font-weight: 600;
    margin-bottom: 5px;
}

.course-grade {
    color: var(--finance-green);
    font-size: 0.9rem;
}

/* 联系部分 - 商务联系风格 */
.contact-section {
    padding: 100px 20px;
    background: var(--bg-dark);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--primary);
}

.contact-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--tech-gradient);
    border-radius: 50%;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    color: white;
}

.contact-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.contact-info {
    color: var(--text-muted);
}

.contact-link {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-link:hover {
    color: var(--finance-gold);
}

/* 页脚 - 专业简洁风格 */
.footer {
    padding: 40px 20px;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.social-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 30px;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-3px);
    color: white;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* 粒子背景 */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
}


/* 打字机光标 */
.typed-cursor {
    animation: blink 1s infinite;
    color: var(--finance-gold);
    font-weight: 700;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* 3D悬浮效果 */
.project-card {
    transform-style: preserve-3d;
    transition: transform 0.6s;
}

.project-card:hover {
    transform: rotateY(5deg) rotateX(5deg) translateZ(20px);
}

/* 视差滚动层 */
.parallax-layer {
    position: absolute;
    width: 100%;
    height: 100%;
}

/* 文字发光效果 */
.glow-text {
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5),
                 0 0 40px rgba(255, 215, 0, 0.3),
                 0 0 60px rgba(255, 215, 0, 0.1);
}

/* 磁性按钮效果 */
.magnetic-button {
    position: relative;
    transition: transform 0.3s cubic-bezier(0.23, 1, 0.320, 1);
}

/* 液体变形效果 */
.liquid-shape {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: liquidMorph 8s ease-in-out infinite;
}

@keyframes liquidMorph {
    0%, 100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    25% {
        border-radius: 30% 70% 70% 30% / 30% 70% 30% 70%;
    }
    50% {
        border-radius: 70% 30% 30% 70% / 70% 30% 70% 30%;
    }
    75% {
        border-radius: 40% 60% 70% 30% / 40% 60% 30% 70%;
    }
}

/* 技能进度条动画 */
.skill-progress {
    position: relative;
    background: var(--profit-gradient);
    height: 100%;
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 交互式图表容器 */
.interactive-chart {
    position: relative;
    cursor: crosshair;
}

.chart-tooltip {
    position: absolute;
    background: var(--bg-card);
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 100;
}

.chart-tooltip.show {
    opacity: 1;
}

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

.scroll-dots {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.scroll-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s;
}

.scroll-dot.active {
    background: var(--finance-gold);
    transform: scale(1.5);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .finance-cube-container {
        right: 5%;
        width: 200px;
        height: 200px;
    }
    
    .cube-face {
        width: 200px;
        height: 200px;
    }
    
    .cube-front { transform: rotateY(0deg) translateZ(100px); }
    .cube-back { transform: rotateY(180deg) translateZ(100px); }
    .cube-right { transform: rotateY(90deg) translateZ(100px); }
    .cube-left { transform: rotateY(-90deg) translateZ(100px); }
    .cube-top { transform: rotateX(90deg) translateZ(100px); }
    .cube-bottom { transform: rotateX(-90deg) translateZ(100px); }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .finance-cube-container {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        margin: 30px auto;
        width: 150px;
        height: 150px;
    }
    
    .cube-face {
        width: 150px;
        height: 150px;
    }
    
    .face-content i {
        font-size: 2rem;
    }
    
    .face-content span {
        font-size: 1rem;
    }
    
    .cube-front { transform: rotateY(0deg) translateZ(75px); }
    .cube-back { transform: rotateY(180deg) translateZ(75px); }
    .cube-right { transform: rotateY(90deg) translateZ(75px); }
    .cube-left { transform: rotateY(-90deg) translateZ(75px); }
    .cube-top { transform: rotateX(90deg) translateZ(75px); }
    .cube-bottom { transform: rotateX(-90deg) translateZ(75px); }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        display: none;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 动态背景形状 */
.dynamic-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -2;
}

.floating-shape {
    position: absolute;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(37, 99, 235, 0.1));
    border-radius: 50%;
    filter: blur(40px);
}

/* 3D金融正方体 */
.finance-cube-container {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    width: 250px;
    height: 250px;
    perspective: 1000px;
    z-index: 10;
}

.finance-cube {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: rotateCube 20s infinite linear;
    transform: rotateX(-20deg) rotateY(45deg);
}

@keyframes rotateCube {
    0% {
        transform: rotateX(-20deg) rotateY(0deg);
    }
    100% {
        transform: rotateX(-20deg) rotateY(360deg);
    }
}

.cube-face {
    position: absolute;
    width: 250px;
    height: 250px;
    border: 2px solid rgba(255, 215, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.face-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    color: white;
    font-weight: 600;
    font-size: 1.2rem;
}

.face-content i {
    font-size: 3rem;
    color: var(--finance-gold);
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
}

.cube-front {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.8), rgba(59, 130, 246, 0.6));
    transform: rotateY(0deg) translateZ(125px);
}

.cube-back {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.8), rgba(52, 211, 153, 0.6));
    transform: rotateY(180deg) translateZ(125px);
}

.cube-right {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.8), rgba(255, 165, 0, 0.6));
    transform: rotateY(90deg) translateZ(125px);
}

.cube-left {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.8), rgba(248, 113, 113, 0.6));
    transform: rotateY(-90deg) translateZ(125px);
}

.cube-top {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.8), rgba(139, 92, 246, 0.6));
    transform: rotateX(90deg) translateZ(125px);
}

.cube-bottom {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.8), rgba(251, 191, 36, 0.6));
    transform: rotateX(-90deg) translateZ(125px);
}

/* 悬停效果 */
.finance-cube:hover {
    animation-play-state: paused;
}

.cube-face {
    cursor: pointer;
}

.cube-face::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 215, 0, 0);
    transition: background 0.3s ease;
    pointer-events: none;
}

.cube-face:hover::after {
    background: rgba(255, 215, 0, 0.1);
}

.cube-face:hover {
    border-color: var(--finance-gold);
    box-shadow: inset 0 0 30px rgba(255, 215, 0, 0.2);
}

/* 发光效果 */
.finance-cube-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.2) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* 增强的项目卡片 */
.project-card {
    perspective: 1000px;
    transform-style: preserve-3d;
    will-change: transform;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(255, 215, 0, 0.1));
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: 20px;
}

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

/* 技能卡片悬浮效果 */
.skill-card {
    transform-style: preserve-3d;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 
        0 20px 40px rgba(255, 215, 0, 0.2),
        0 10px 20px rgba(37, 99, 235, 0.1);
}

/* 增强的统计数字 */
.stat-number {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
    position: relative;
}

.stat-number::after {
    content: attr(data-suffix);
    position: absolute;
    right: -0.5em;
    font-size: 0.6em;
    top: 0;
}

/* 导航栏毛玻璃效果 */
.finance-nav.scrolled {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(15, 23, 42, 0.8);
}

/* 按钮涟漪效果 */
.btn-primary, .btn-secondary {
    position: relative;
    overflow: hidden;
}

.btn-primary::before, .btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before, .btn-secondary:hover::before {
    width: 300px;
    height: 300px;
}

/* 扑克牌效果样式 */
.poker-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    height: 750px;
    margin: 40px auto;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 150px;
    perspective: 2000px;
    transform-style: preserve-3d;
}

.poker-stack {
    position: relative;
    width: 1100px;
    height: 560px;
    transform-style: preserve-3d;
}

.poker-card {
    position: absolute;
    width: 380px;
    height: 560px;
    border: 2px solid rgba(255, 215, 0, 0.3);
    border-radius: 20px;
    background: var(--bg-card);
    transform-origin: bottom left;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease-out;
    cursor: pointer;
    will-change: transform;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.poker-card .project-image {
    height: 220px;
    position: relative;
    overflow: hidden;
    border-radius: 0;
}

.poker-card .project-content {
    padding: 25px;
    height: calc(100% - 220px);
    overflow: hidden;
    background: var(--bg-card);
    display: flex;
    flex-direction: column;
}

.poker-card .project-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--finance-gold);
    font-weight: 600;
}

.poker-card .project-description {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #ccc;
    margin-bottom: 15px;
    flex-shrink: 0;
}

/* 实习信息样式 */
.poker-card .project-content > div {
    flex: 1;
    min-height: 0;
    margin-bottom: 15px;
}

.poker-card .project-content > div p {
    margin: 5px 0;
    font-size: 0.85rem;
}

.poker-card .project-link {
    margin-top: auto;
    color: var(--finance-gold);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    align-self: flex-start;
}

.poker-card .project-link:hover {
    transform: translateX(5px);
}

/* 扑克牌位置 - 增大间距，保持原始层级不变 */
.poker1 {
    transform: rotate(-10deg) translate3d(0, 0, 0);
    z-index: 5;
}

.poker2 {
    transform: rotate(-7deg) translate3d(50%, -12%, 0);
    z-index: 4;
}

.poker3 {
    transform: rotate(-3deg) translate3d(100%, -19%, 0);
    z-index: 3;
}

.poker4 {
    transform: rotate(3deg) translate3d(150%, -26%, 0);
    z-index: 2;
}

.poker5 {
    transform: rotate(7deg) translate3d(200%, -23%, 0);
    z-index: 1;
}

/* 简化的悬停效果 - 只改变transform，提升性能 */
.poker1:hover {
    transform: rotate(-10deg) translate3d(0, -150px, 0);
}

.poker2:hover {
    transform: rotate(-7deg) translate3d(370px, -12%, 0);
}

.poker3:hover {
    transform: rotate(-3deg) translate3d(560px, -19%, 0);
}

.poker4:hover {
    transform: rotate(3deg) translate3d(750px, -26%, 0);
}

.poker5:hover {
    transform: rotate(7deg) translate3d(940px, -23%, 0);
}


/* 响应式调整 */
@media (max-width: 1024px) {
    .poker-container {
        height: 700px;
        padding-top: 120px;
    }
    
    .poker-card {
        width: 320px;
        height: 480px;
    }
    
    .poker-card .project-image {
        height: 180px;
    }
    
    .poker-card .project-title {
        font-size: 1.1rem;
    }
    
    .poker-card .project-description {
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .poker-container {
        height: 600px;
        padding-top: 100px;
    }
    
    .poker-stack {
        width: 100%;
    }
    
    .poker-card {
        width: 260px;
        height: 380px;
    }
    
    .poker-card .project-image {
        height: 140px;
    }
    
    .poker-card .project-title {
        font-size: 1rem;
    }
    
    .poker-card .project-description {
        font-size: 0.8rem;
    }
    
    /* 调整移动端扑克牌位置 */
    .poker1 {
        transform: rotate(-8deg) translate(0, 0);
    }
    
    .poker2 {
        transform: rotate(-4deg) translate(25%, -10%);
    }
    
    .poker3 {
        transform: rotate(0deg) translate(50%, -15%);
    }
    
    .poker4 {
        transform: rotate(4deg) translate(75%, -20%);
    }
    
    .poker5 {
        transform: rotate(8deg) translate(100%, -18%);
    }
}

/* 动画效果 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 0.6s ease forwards;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 0.6s ease forwards;
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: slideInRight 0.6s ease forwards;
}

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 英雄页标题动画修复 */
.title-line-1, .title-line-2 {
    display: block !important;
    opacity: 0;
    background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 确保fadeInUp动画定义存在 */
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}