/* 全局样式 */
:root {
    --primary-color: #4e7cff;
    --secondary-color: #1a1f3a;
    --text-color: #e0e0ff;
    --background-color: #0a0d1f;
    --accent-color: #ff7c7c;
    --glow-color: #7c9eff;
    --card-bg: rgba(30, 35, 66, 0.8);
    --card-border: rgba(78, 124, 255, 0.3);
}

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

body {
    font-family: 'Noto Sans SC', 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    overflow-x: hidden;
    position: relative;
}

/* 星空背景 */
.stars, .twinkling {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -10;
}

.stars {
    background: #0a0d1f url('https://i.imgur.com/YKY28eT.png') repeat top center;
    z-index: -11;
}

.twinkling {
    background: transparent url('https://i.imgur.com/XYMF4ca.png') repeat top center;
    animation: move-twink-back 200s linear infinite;
}

@keyframes move-twink-back {
    from {background-position: 0 0;}
    to {background-position: -10000px 5000px;}
}

/* 全局居中样式 */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

section {
    text-align: center;
    margin: 4rem 0;
}

/* 导航栏样式 */
.navbar {
    background-color: rgba(10, 13, 31, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    box-shadow: 0 2px 15px rgba(78, 124, 255, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(78, 124, 255, 0.2);
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    color: var(--primary-color);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* 英雄区域样式 */
.hero {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(78, 124, 255, 0.2) 0%, rgba(10, 13, 31, 0) 70%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-bottom: 150px; /* 增加底部内边距 */
}

.glowing-text {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    text-shadow: 0 0 10px var(--glow-color), 0 0 20px var(--glow-color), 0 0 30px var(--glow-color);
    letter-spacing: 2px;
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0% {
        text-shadow: 0 0 10px var(--glow-color), 0 0 20px var(--glow-color);
    }
    50% {
        text-shadow: 0 0 15px var(--glow-color), 0 0 30px var(--glow-color), 0 0 40px var(--glow-color);
    }
    100% {
        text-shadow: 0 0 10px var(--glow-color), 0 0 20px var(--glow-color);
    }
}

.subtitle {
    font-size: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-color);
    opacity: 0.8;
    position: relative;
    z-index: 2;
}

.scroll-indicator {
    position: absolute;
    bottom: 4rem; /* 增加底部距离 */
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-color);
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0.5;
    z-index: 1;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.scroll-indicator span {
    width: 30px;
    height: 50px;
    border: 2px solid var(--text-color);
    border-radius: 15px;
    margin-bottom: 8px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 6px;
    height: 6px;
    background-color: var(--text-color);
    border-radius: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

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

/* 当滚动时隐藏滚动提示 */
@media (hover: hover) {
    .scroll-indicator {
        opacity: 0.5;
    }
    
    .scroll-indicator:hover {
        opacity: 0;
    }
}

@media (max-width: 768px) {
    .hero-content {
        padding-bottom: 120px; /* 移动端也相应增加内边距 */
    }
    
    .scroll-indicator {
        bottom: 3rem; /* 移动端也相应增加底部距离 */
    }
}

/* 通用部分样式 */
.section-title {
    text-align: center;
    color: #fff;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #fff, transparent);
}

/* 关于我部分 */
.about {
    padding: 6rem 2rem;
    background-color: rgba(10, 13, 31, 0.7);
    text-align: center;
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(78, 124, 255, 0.1) 0%, rgba(10, 13, 31, 0) 70%);
    z-index: -1;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 2.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(78, 124, 255, 0.2);
}

.about-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    margin: 1rem 0;
    line-height: 1.8;
}

/* 项目部分 */
.projects {
    padding: 4rem 2rem;
    position: relative;
    background: rgba(10, 13, 31, 0.7);
}

.project-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

.project-card {
    background: rgba(10, 25, 47, 0.7);
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transition: transform 0.2s ease;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: row;
    border: 1px solid rgba(100, 255, 255, 0.1);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.project-image {
    flex: 0 0 300px;
    height: 250px;
    position: relative;
    overflow: hidden;
    border-radius: 12px 0 0 12px;
    background: #0a192f;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
    mix-blend-mode: lighten;
    filter: brightness(1.1) contrast(1.1);
    transition: transform 0.2s ease, filter 0.2s ease;
}

.project-image:hover img {
    transform: scale(1.02);
    filter: brightness(1.2) contrast(1.2);
}

.project-content {
    flex: 1;
    padding: 1.5rem;
    background: rgba(10, 25, 47, 0.5);
}

.project-content h3 {
    margin: 0 0 1rem;
    color: var(--text-color);
    font-size: 1.8rem;
}

.project-content p {
    color: var(--text-color);
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tags span {
    background: rgba(110, 142, 251, 0.1);
    color: var(--text-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.9rem;
}

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

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: #6e8efb;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.btn:hover {
    background: #5c7cfa;
}

@media (max-width: 768px) {
    .project-card {
        flex-direction: column;
    }
    
    .project-image {
        flex: 0 0 200px;
        border-radius: 12px 12px 0 0;
    }
}

/* 联系方式部分 */
.contact {
    padding: 6rem 2rem;
    text-align: center;
    background-color: rgba(10, 13, 31, 0.7);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(78, 124, 255, 0.1) 0%, rgba(10, 13, 31, 0) 70%);
    z-index: -1;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--card-border);
    flex: 1;
    min-width: 250px;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(78, 124, 255, 0.2);
}

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

.contact-info p {
    margin: 0.5rem 0;
}

/* 页脚样式 */
footer {
    background-color: rgba(10, 13, 31, 0.9);
    color: var(--text-color);
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(78, 124, 255, 0.2);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--text-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    main {
        padding: 1rem;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    .navbar {
        flex-direction: column;
        padding: 1rem;
    }
    
    .nav-links {
        margin-top: 1rem;
    }
    
    .glowing-text {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* 专业技能部分 */
.skills {
    padding: 6rem 2rem;
    background-color: rgba(10, 13, 31, 0.7);
    text-align: center;
    position: relative;
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(78, 124, 255, 0.1) 0%, rgba(10, 13, 31, 0) 70%);
    z-index: -1;
}

.skills-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.skills-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--card-border);
}

.skills-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(78, 124, 255, 0.2);
}

.skills-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

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

.skills-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.skills-card ul li {
    margin: 0.8rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.skills-card ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* 博客部分 */
.blog {
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
}

.blog::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(78, 124, 255, 0.1) 0%, rgba(10, 13, 31, 0) 70%);
    z-index: -1;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.blog-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--card-border);
    text-align: left;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(78, 124, 255, 0.2);
}

.blog-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.blog-date {
    color: var(--text-color);
    opacity: 0.7;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.read-more {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    margin-top: 1rem;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--text-color);
}

/* 简历部分 */
.resume {
    padding: 6rem 2rem;
    background-color: rgba(10, 13, 31, 0.7);
    text-align: center;
    position: relative;
}

.resume::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(78, 124, 255, 0.1) 0%, rgba(10, 13, 31, 0) 70%);
    z-index: -1;
}

.resume-content {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.resume-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--card-border);
    text-align: left;
}

.resume-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(78, 124, 255, 0.2);
}

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

.resume-item {
    margin-bottom: 1.5rem;
}

.resume-title {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.resume-details {
    color: var(--text-color);
    opacity: 0.7;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.resume-item ul {
    list-style: none;
    padding-left: 1.5rem;
}

.resume-item ul li {
    margin: 0.5rem 0;
    position: relative;
}

.resume-item ul li::before {
    content: '▹';
    position: absolute;
    left: -1.5rem;
    color: var(--primary-color);
}

.resume-download {
    margin-top: 3rem;
}

.download-btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, var(--primary-color), var(--glow-color));
    color: var(--text-color);
    text-decoration: none;
    border-radius: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(78, 124, 255, 0.3);
}

/* 更新项目卡片样式 */
.project-card .view-more {
    text-decoration: none;
    color: var(--text-color);
    border: 1px solid var(--primary-color);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.project-card .view-more:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

/* 更新联系方式样式 */
.contact-info a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* 响应式设计补充 */
@media (max-width: 768px) {
    .skills-content,
    .blog-grid,
    .resume-content {
        grid-template-columns: 1fr;
    }
    
    .skills-card,
    .blog-card,
    .resume-card {
        margin-bottom: 1rem;
    }
}