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

:root {
    /* 主色彩系统 */
    --primary-color: #667eea;
    --primary-light: #818cf8;
    --primary-dark: #4338ca;
    --secondary-color: #764ba2;
    --secondary-light: #a78bfa;
    --secondary-dark: #5b21b6;
    --accent-color: #f093fb;
    --accent-light: #fbbf24;
    --accent-dark: #d97706;
    
    /* 文字色彩系统 */
    --text-primary: #1a202c;
    --text-secondary: #2d3748;
    --text-tertiary: #4a5568;
    --text-light: #718096;
    --text-muted: #a0aec0;
    
    /* 背景色彩系统 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #edf2f7;
    --bg-dark: #1a202c;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-gradient-light: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    
    /* 阴影系统 */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    
    /* 尺寸系统 */
    --border-radius-sm: 6px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* 间距系统 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* 动画系统 */
    --transition-fast: all 0.15s ease;
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    --transition-bounce: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* 字体系统 */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    font-weight: 400;
    letter-spacing: -0.01em;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 改进的字体层次 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

.text-large { font-size: var(--font-size-lg); }
.text-small { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

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

/* 滚动进度条 */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 1001;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    width: 0%;
    transition: width 0.1s ease;
}

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-logo .tagline {
    font-size: 0.8rem;
    color: var(--text-light);
    font-style: italic;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* 英雄区域 */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-gradient);
    color: white;
    position: relative;
    overflow: hidden;
}

/* 添加动态背景粒子效果 */
.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 2px, transparent 2px),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 60% 30%, rgba(255, 255, 255, 0.1) 2px, transparent 2px);
    background-size: 50px 50px, 30px 30px, 40px 40px, 60px 60px;
    animation: floatParticles 20s linear infinite;
    pointer-events: none;
}

@keyframes floatParticles {
    0% { transform: translateY(0px) rotate(0deg); }
    100% { transform: translateY(-100px) rotate(360deg); }
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.1)" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-tagline {
    margin-bottom: 2rem;
    position: relative;
}

.tagline-text {
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: lowercase;
    opacity: 0.9;
    display: inline-block;
}

.tagline-underline {
    height: 1px;
    background: rgba(255, 255, 255, 0.5);
    margin-top: 8px;
    transform: scaleX(0);
    transform-origin: left;
    animation: expandLine 2s ease-out 0.5s forwards;
}

@keyframes expandLine {
    to {
        transform: scaleX(1);
    }
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

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

.profile-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-arrow {
    margin-bottom: 10px;
}

.scroll-arrow span {
    display: block;
    width: 20px;
    height: 20px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.8);
    border-right: 2px solid rgba(255, 255, 255, 0.8);
    transform: rotate(45deg);
    margin: -10px auto;
    animation: scrollArrow 2s infinite;
}

.scroll-arrow span:nth-child(2) {
    animation-delay: -0.2s;
}

.scroll-arrow span:nth-child(3) {
    animation-delay: -0.4s;
}

@keyframes scrollArrow {
    0% {
        opacity: 0;
        transform: rotate(45deg) translate(-20px, -20px);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: rotate(45deg) translate(20px, 20px);
    }
}

.scroll-indicator p {
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    margin: 0;
}

.profile-avatar {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    overflow: hidden;
    border: 4px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.avatar-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    padding: 8px;
}

.avatar-text {
    color: white;
}

.profile-info h3 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

/* 个人照片展示区域样式 */
.personal-photo-showcase {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.photo-frame {
    position: relative;
    width: 320px;
    min-height: 200px;
    max-height: 450px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 3px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.photo-frame:hover {
    transform: scale(1.03);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.personal-photo {
    width: 100%;
    height: auto;
    max-height: 450px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.photo-frame:hover .personal-photo {
    transform: scale(1.1);
}

.photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 20px;
    text-align: center;
    transform: translateY(100%);
    transition: all 0.3s ease;
}

.photo-frame:hover .photo-overlay {
    transform: translateY(0);
}

.photo-overlay p {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 通用区域样式 */
.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    letter-spacing: -0.02em;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--bg-gradient);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-3xl);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* 关于我部分 */
.about-section {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.about-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.about-card:hover::before {
    left: 100%;
}

.about-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.about-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 性格特质部分 */
.personality-section {
    padding: 6rem 0;
    background: white;
}

.personality-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.strengths h3, .improvements h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.trait-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.trait-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.trait-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.trait-icon {
    font-size: 1.5rem;
    margin-top: 0.2rem;
}

.trait-content h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.trait-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.improvement-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.improvement-item {
    padding: 1.5rem;
    background: linear-gradient(135deg, #ffeaa7 0%, #fab1a0 100%);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.improvement-item:hover {
    transform: translateX(-5px);
    box-shadow: var(--shadow-md);
}

.improvement-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

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

/* 资源推荐部分 */
.resources-section {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.resource-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.resource-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.resource-icon {
    font-size: 1.8rem;
}

.resource-header h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.resource-card h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

.resource-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background: var(--bg-gradient);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

.resource-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.resource-link:hover {
    color: var(--secondary-color);
}

/* AI作品展示部分 */
.portfolio-section {
    padding: 6rem 0;
    background: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
}

.portfolio-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.portfolio-item:hover::after {
    opacity: 1;
}

.portfolio-item:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 25px 50px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.4);
}

.portfolio-image {
    width: 100%;
    min-height: 200px;
    max-height: 400px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
}

.portfolio-image img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.03);
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-info h3 {
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.portfolio-info p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 联系方式部分 */
.contact-section {
    padding: 6rem 0;
    background: var(--bg-gradient);
    color: white;
}

.contact-section .section-title,
.contact-section .section-subtitle {
    color: white;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.contact-card p {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-note {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 页脚 */
.footer {
    background: var(--text-primary);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .personality-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .about-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
        padding: var(--spacing-lg) 0;
    }
    
    .hero-text h1 {
        font-size: var(--font-size-4xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-2xl);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .resources-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* 个人照片展示移动端适配 */
    .hero-image {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-lg);
    }
    
    .photo-frame {
        width: 280px;
        min-height: 180px;
        max-height: 350px;
    }
    
    .personal-photo-showcase {
        margin-top: var(--spacing-lg);
    }
    
    /* 移动端优化 */
    .hero-tagline {
        margin-bottom: var(--spacing-md);
    }
    
    .tagline-text {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .about-card, .resource-card, .portfolio-item {
        padding: var(--spacing-md);
    }
    
    .trait-item, .improvement-item {
        padding: var(--spacing-md);
    }
}

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

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

/* 编辑模式样式 */
.edit-mode-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.edit-mode-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.edit-mode-btn.active {
    background: #4CAF50;
    border-color: #4CAF50;
}

/* 可编辑元素样式 */
.editable {
    position: relative;
    transition: all 0.3s ease;
}

.edit-mode .editable {
    outline: 2px dashed #4CAF50;
    outline-offset: 4px;
    cursor: text;
    padding: 4px;
    border-radius: 4px;
}

.edit-mode .editable:hover {
    background: rgba(76, 175, 80, 0.1);
}

.edit-mode .editable:focus {
    outline: 2px solid #4CAF50;
    background: rgba(76, 175, 80, 0.05);
}

/* 图片编辑样式 */
.profile-avatar, .portfolio-image {
    position: relative;
}

.image-upload-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
    text-align: center;
}

/* 头像的圆形遮罩 */
.profile-avatar .image-upload-overlay {
    border-radius: 50%;
}

/* 作品集图片的方形遮罩 */
.portfolio-image .image-upload-overlay {
    border-radius: 12px;
}

.edit-mode .profile-avatar:hover .image-upload-overlay,
.edit-mode .portfolio-image:hover .image-upload-overlay {
    display: flex;
}

.image-upload-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* 编辑提示 */
.edit-mode::before {
    content: "🖊️ 编辑模式已开启 - 点击文字编辑，点击图片更换";
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: #4CAF50;
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 保存按钮 */
.save-changes-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #4CAF50;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    display: none;
    z-index: 1000;
    transition: all 0.3s ease;
}

.save-changes-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.edit-mode .save-changes-btn {
    display: block;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}