/* 现代扁平化设计 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-weight: 400;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
}

/* 头像区域 - 现代卡片设计 */
.avatar-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    padding: 3rem 2rem;
    background: var(--bg-card);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.avatar-section > div:not(.avatar) {
    flex: 1;
    text-align: center;
}

.avatar-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.avatar {
    width: 100px;
    height: 100px;
    border-radius: 16px;
    border: 2px solid transparent;
    background: var(--gradient-primary);
    padding: 2px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.avatar img {
    width: 100%;
    height: 100%;
    border-radius: 14px;
    object-fit: cover;
}

.avatar:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

/* 微信号区域 */
.wechat-section {
    text-align: center;
    margin-bottom: 2px;
    line-height: 0.8;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.wechat-section:last-child {
    margin-bottom: 0;
}

.wechat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.025em;
    margin-right: 8px;
}

.wechat-id {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    transition: all 0.2s ease;
    user-select: none;
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.wechat-id:hover {
    background: rgba(99, 102, 241, 0.15);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.wechat-id:active {
    transform: translateY(0);
}

.copy-tip {
    position: absolute;
    margin-top: 2.5rem;
    color: #10b981;
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s ease;
    background: rgba(16, 185, 129, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
}

/* 个人介绍区域 */
.intro-section {
    text-align: center;
    margin-bottom: 4rem;
    padding: 3rem 2rem;
    background: var(--bg-card);
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.intro-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-secondary);
}

.intro-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
}

.intro-section p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

/* 图片展示区域 */
.gallery-section {
    margin-bottom: 4rem;
}

.gallery-section h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 3rem;
    letter-spacing: -0.025em;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.gallery-item {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.025em;
}

.gallery-item p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

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

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.footer p {
    font-size: 0.875rem;
    font-weight: 400;
    opacity: 0.8;
}

.footer a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.footer a:hover {
    color: #67e8f9;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .avatar-section {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
        padding: 2rem 1.5rem;
        margin-bottom: 2rem;
    }
    
    .wechat-section {
        text-align: center;
    }
    
    .intro-section {
        padding: 2rem 1.5rem;
        margin-bottom: 2rem;
    }
    
    .intro-section h1 {
        font-size: 2rem;
    }
    
    .intro-section p {
        font-size: 1rem;
    }
    
    .gallery-section h2 {
        font-size: 1.75rem;
    }
    
    .gallery {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .avatar {
        width: 70px;
        height: 70px;
    }
    
    .wechat-id {
        font-size: 0.875rem;
        padding: 0.375rem 0.75rem;
    }
}

@media (max-width: 480px) {
    .intro-section h1 {
        font-size: 1.75rem;
    }
    
    .intro-section p {
        font-size: 0.875rem;
    }
    
    .gallery-section h2 {
        font-size: 1.5rem;
    }
    
    .avatar {
        width: 80px;
        height: 80px;
    }
    
    .avatar-section,
    .intro-section {
        border-radius: 16px;
        padding: 1.5rem 1rem;
    }
    
    .gallery-item {
        border-radius: 16px;
    }
}

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

.avatar-section,
.intro-section,
.gallery-item {
    animation: fadeInUp 0.6s ease-out;
}

.intro-section {
    animation-delay: 0.1s;
}

.gallery-item:nth-child(1) { animation-delay: 0.2s; }
.gallery-item:nth-child(2) { animation-delay: 0.3s; }
.gallery-item:nth-child(3) { animation-delay: 0.4s; }

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}