:root {
    --primary-color: #2563eb;
    --text-color: #1f2937;
    --bg-color: #ffffff;
    --accent-color: #3b82f6;
    --gradient-start: #2563eb;
    --gradient-end: #3b82f6;
    --shadow-color: rgba(37, 99, 235, 0.1);
    --transition: all 0.3s ease;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --card-bg: #ffffff;
    --border-color: rgba(0, 0, 0, 0.1);
}

/* 暗色主题变量 */
[data-theme="dark"] {
    --primary-color: #4f46e5;
    --text-color: #e2e8f0;
    --bg-color: #0f172a;
    --accent-color: #6366f1;
    --gradient-start: #4f46e5;
    --gradient-end: #6366f1;
    --shadow-color: rgba(79, 70, 229, 0.1);
    --nav-bg: rgba(15, 23, 42, 0.95);
    --card-bg: #1e293b;
    --border-color: rgba(226, 232, 240, 0.1);
}

/* 主题切换按钮样式 */
.theme-toggle {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--text-color);
    font-size: 1.25rem;
    transition: var(--transition);
    margin-left: 1rem;
}

.theme-toggle:hover {
    color: var(--primary-color);
    transform: rotate(15deg);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
        Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    background-color: var(--bg-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 1px 3px var(--shadow-color);
}

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

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

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

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

.section {
    min-height: 100vh;
    padding: 6rem 2rem;
    display: flex;
    align-items: center;
}

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

.title {
    font-size: 4rem;
    letter-spacing: -0.025em;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientFlow 8s ease infinite;
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.highlight {
    color: var(--primary-color);
}

.subtitle {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 2rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    margin: 0 auto 1rem;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: scroll 2s ease infinite;
}

@keyframes scroll {
    0% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateX(-50%) translateY(20px);
        opacity: 0;
    }
}

/* 技能部分样式 */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-category {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px var(--shadow-color);
}

.skill-category:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.skill-category h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.skill-bar {
    margin-bottom: 1.5rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.progress-line {
    height: 4px;
    background: #eaecef;
    border-radius: 3px;
    position: relative;
}

.progress-line span {
    position: absolute;
    height: 100%;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    border-radius: 3px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 项目部分样式 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px var(--shadow-color);
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    overflow: hidden;
    padding-top: 60%;
}

.project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(37, 99, 235, 0.95), 
        rgba(59, 130, 246, 0.95));
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.project-links a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1.25rem;
    border: 2px solid white;
    border-radius: 2rem;
    margin: 0 0.5rem;
    transition: all 0.2s ease;
}

.project-links a:hover {
    background: white;
    color: var(--primary-color);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0 1rem;
}

.project-info {
    padding: 1.5rem;
}

.project-tags span {
    height: 24px;
    padding: 0 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    font-size: 0.75rem;
    background: var(--hover-bg);
    border: 1px solid var(--border-color);
}

/* 暗色主题下的标签样式 */
[data-theme="dark"] .project-tags span {
    background: rgba(226, 232, 240, 0.05);
    border-color: rgba(226, 232, 240, 0.1);
}

/* 联系部分样式 */
.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-info {
    display: grid;
    gap: 2rem;
}

.contact-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    z-index: -1;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--hover-bg);
    font-size: 0.875rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0969da;
    box-shadow: 0 0 0 3px rgba(9,105,218,0.3);
    background: var(--bg-color);
}

.submit-btn {
    width: 100%;
    padding: 0.625rem 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    font-weight: 500;
}

.submit-btn:hover {
    background: var(--accent-color);
}

/* 在文件末尾添加打字特效相关样式 */
.typewriter {
    display: inline-block;
    position: relative;
}

.typewriter::after {
    content: '|';
    position: absolute;
    right: -8px;
    animation: blink 0.8s infinite;
}

.typewriter-multi {
    display: inline-block;
    position: relative;
    min-height: 1.6em;
}

.typewriter-multi::after {
    content: '|';
    position: absolute;
    right: -8px;
    animation: blink 0.8s infinite;
}

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

.greeting {
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
    align-items: center;
}

.about-image {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 120%; /* 控制图片长宽比 */
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.image-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* 添加悬停效果 */
.image-wrapper:hover img {
    transform: scale(1.05);
}

/* 响应式布局 */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        max-width: 300px;
        order: -1;
    }
}

/* 修改社交媒体链接样式 */
.social-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.social-link {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    width: 120px;
    height: 120px;
    background: var(--card-bg);
    border-radius: 1rem;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.social-link i {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.social-link span {
    font-size: 1rem;
    font-weight: 500;
    transition: transform 0.3s ease;
}

.social-link:hover i {
    transform: translateY(-5px);
    color: white;
}

.social-link:hover span {
    transform: translateY(5px);
}

/* 添加背景动画效果 */
.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.social-link:hover::before {
    opacity: 1;
}

.social-link i,
.social-link span {
    position: relative;
    z-index: 1;
}

/* 微信二维码相关样式 */
.wechat-container {
    position: relative;
}

.qr-code {
    position: fixed;
    background: var(--card-bg);
    padding: 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 10000;
}

.qr-code img {
    width: 200px;
    height: 200px;
    display: block;
    border-radius: 0.25rem;
    z-index: 10000;
}

.qr-code p {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-color);
    text-align: center;
}

/* 移除之前的悬停样式 */
.wechat-container:hover {
    background-color: transparent !important;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .social-links {
        flex-direction: row;
        justify-content: flex-start;
        gap: 1rem;
    }
    
    .social-link {
        width: calc(33.33% - 1rem);
        height: 120px;
        padding: 1rem;
    }
    
    .qr-code {
        top: auto;
        bottom: 120%;
        left: 50%;
        transform: translateX(-50%) translateY(0);
        width: 220px;
        min-width: 220px;
    }
    
    .qr-code::before {
        left: 50%;
        top: 100%;
        transform: translateX(-50%);
        border-color: white transparent transparent transparent;
    }
    
    .wechat-container:hover .qr-code {
        left: 50%;
        bottom: 130%;
        transform: translateX(-50%);
    }
}

@media (max-width: 480px) {
    .social-link {
        width: calc(50% - 0.5rem);
    }
    
    .qr-code {
        width: 180px;
    }
    
    .qr-code img {
        width: 160px;
        height: 160px;
    }
}

/* 添加滚动动画优化 */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.slide-in {
    animation: slideIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* 添加鼠标悬停时的微妙动画 */
.skill-card,
.project-card,
.contact-item {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.skill-card:hover,
.project-card:hover,
.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .title {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.125rem;
    }
    
    .container {
        padding: 0 1rem;
    }
}

/* 添加一些暗色主题特定的样式 */
[data-theme="dark"] {
    /* 调整卡片悬停效果 */
    .skill-category:hover,
    .project-card:hover,
    .contact-item:hover,
    .social-link:hover {
        box-shadow: 0 8px 24px rgba(79, 70, 229, 0.2);
    }

    /* 调整进度条背景 */
    .progress-line {
        background: rgba(226, 232, 240, 0.1);
    }

    /* 调整表单元素 */
    .form-group input,
    .form-group textarea {
        background: rgba(30, 41, 59, 0.8);
        border-color: rgba(226, 232, 240, 0.1);
    }

    .form-group input:focus,
    .form-group textarea:focus {
        border-color: var(--primary-color);
        background: rgba(30, 41, 59, 1);
    }

    /* 调整导航链接 */
    .nav-link {
        color: rgba(226, 232, 240, 0.8);
    }

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

    /* 调整项目卡片 */
    .project-overlay {
        background: linear-gradient(135deg,
            rgba(79, 70, 229, 0.95),
            rgba(99, 102, 241, 0.95));
    }

    /* 调整社交链接 */
    .social-link {
        background: rgba(30, 41, 59, 0.8);
    }

    /* 调整二维码容器 */
    .qr-code {
        background: var(--card-bg);
        border: 1px solid var(--border-color);
    }
}

/* 响应式调整 */
@media (max-width: 480px) {
    .project-tags {
        justify-content: flex-start;
    }
    
    .project-tags span {
        margin: 0.25rem 0.5rem;
    }
}

/* 音乐播放器样式 */
.music-player {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    align-items: center;
}

.music-player-inner {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 300px;
    transform: translateX(120%);
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
}

.music-player.active .music-player-inner {
    transform: translateX(0);
}

.music-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.song-name {
    font-weight: 500;
    color: var(--text-color);
}

.artist-name {
    font-size: 0.875rem;
    color: var(--text-color);
    opacity: 0.8;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.controls button {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.controls button:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

.progress-container {
    width: 100%;
    height: 4px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    cursor: pointer;
}

.progress-bar {
    height: 100%;
    background: var(--primary-color);
    border-radius: 2px;
    width: 0;
    transition: width 0.1s linear;
}

.toggle-player {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-color);
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-left: 1rem;
    transition: all 0.2s ease;
}

.toggle-player:hover {
    transform: scale(1.1);
}

/* 暗色主题适配 */
[data-theme="dark"] .progress-container {
    background: rgba(255, 255, 255, 0.1);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .music-player {
        bottom: 1rem;
        right: 1rem;
    }

    .music-player-inner {
        width: 280px;
    }
}

/* 音频可视化背景 */
.audio-visual-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
    transition: opacity 0.3s ease;
}

/* 暗色主题下的背景透明度调整 */
[data-theme="dark"] .audio-visual-bg {
    opacity: 0.2;
}