/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --text-color: #2c3e50;
    --text-light: #7f8c8d;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --border-color: #ecf0f1;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.15);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-about: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    --gradient-skills: linear-gradient(135deg, #8e44ad 0%, #3498db 100%);
    --gradient-experience: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
    --gradient-projects: linear-gradient(135deg, #16a085 0%, #27ae60 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--bg-color);
    overflow-x: hidden;
}

.container {
    position: relative;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.05"><circle cx="30" cy="30" r="4"/></g></svg>');
    animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
    0% { transform: translateX(0) translateY(0); }
    100% { transform: translateX(-60px) translateY(-60px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.profile-image {
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out;
    position: relative;
}

.avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto;
    border: 3px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: block;
    backdrop-filter: blur(10px);
}

.avatar:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.name {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.chinese {
    font-size: 2.5rem;
    opacity: 0.9;
    font-weight: 400;
}

.title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.contact-info span {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.contact-info span:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translate3d(0, -2px, 0);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 10;
    padding: 10px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.scroll-indicator:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-50%) scale(1.1);
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid white;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
    opacity: 0.7;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navigation */
.nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 0;
    transform: translateY(0);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: none;
    will-change: transform;
    opacity: 1;
    border-bottom: none;
}

.nav-menu.scrolled {
    background: var(--gradient-primary);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-menu.hidden {
    transform: translateY(-100%);
    opacity: 0;
}

.nav-menu ul {
    display: flex;
    justify-content: center;
    align-items: center;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
    height: 100%;
    min-height: 60px;
}

.nav-menu a {
    text-decoration: none;
    color: white;
    font-weight: 500;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: inline-block;
    white-space: nowrap;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.3s ease;
    z-index: -1;
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    left: 0;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: white;
    transform: translateY(-2px);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Sections */
.section {
    padding: 100px 0;
    width: 100%;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

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

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-header {
    text-align: center;
    margin-bottom: 160px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.header-line {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--gradient-about);
    color: white;
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="50" height="50" viewBox="0 0 50 50" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.03"><circle cx="25" cy="25" r="3"/></g></svg>');
    animation: backgroundMove 30s linear infinite;
}

.about .section-header {
    position: relative;
    z-index: 2;
}

.about .section-header h2 {
    color: white;
}

.about .header-line {
    background: linear-gradient(90deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.3) 100%);
}

.advantages-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 3rem;
    padding: 0 2rem;
    margin-bottom: 3rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
    will-change: transform;
    opacity: 0;
    transform: translate3d(0, 80px, 0);
}

.advantage-card.fly-in {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* PC端动画延迟 */
@media (min-width: 769px) {
    .advantage-card.fly-in:nth-child(1) { transition-delay: 0.1s; }
    .advantage-card.fly-in:nth-child(2) { transition-delay: 0.2s; }
    .advantage-card.fly-in:nth-child(3) { transition-delay: 0.3s; }
    .advantage-card.fly-in:nth-child(4) { transition-delay: 0.4s; }
    .advantage-card.fly-in:nth-child(5) { transition-delay: 0.5s; }
    .advantage-card.fly-in:nth-child(6) { transition-delay: 0.6s; }
}

/* 移动端动画延迟 */
@media (max-width: 768px) {
    .advantage-card.fly-in:nth-child(1) { transition-delay: 0.1s; }
    .advantage-card.fly-in:nth-child(2) { transition-delay: 0.15s; }
    .advantage-card.fly-in:nth-child(3) { transition-delay: 0.2s; }
    .advantage-card.fly-in:nth-child(4) { transition-delay: 0.25s; }
    .advantage-card.fly-in:nth-child(5) { transition-delay: 0.3s; }
    .advantage-card.fly-in:nth-child(6) { transition-delay: 0.35s; }
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.advantage-card:hover {
    transform: translate3d(0, -10px, 0);
    box-shadow: var(--shadow-hover);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

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

/* Skills Section */
.skills {
    background: var(--gradient-skills);
    color: white;
    position: relative;
    overflow: hidden;
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="40" height="40" viewBox="0 0 40 40" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.03"><polygon points="20,0 40,20 20,40 0,20"/></g></svg>');
    animation: backgroundMove 25s linear infinite reverse;
}

.skills .section-header {
    position: relative;
    z-index: 2;
}

.skills .section-header h2 {
    color: white;
}

.skills .header-line {
    background: linear-gradient(90deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.3) 100%);
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    position: relative;
    z-index: 2;
}

.skill-category {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    background: var(--bg-light);
    color: var(--text-color);
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left 0.3s ease;
    z-index: -1;
}

.skill-tag:hover::before {
    left: 0;
}

.skill-tag:hover {
    color: white;
    transform: translate3d(0, -2px, 0);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.skill-tag.primary {
    background: var(--gradient-primary);
    color: white;
}

.skill-tag.secondary {
    background: var(--gradient-secondary);
    color: white;
}

.skill-tag.vue {
    background: linear-gradient(135deg, #4fc08d 0%, #44a08a 100%);
    color: white;
}

.skill-tag.nodejs {
    background: linear-gradient(135deg, #68a063 0%, #8cc84b 100%);
    color: white;
}

.skill-tag.build {
    background: linear-gradient(135deg, #41b883 0%, #35495e 100%);
    color: white;
}

.skill-tag.ui {
    background: var(--gradient-success);
    color: white;
}

.skill-tag.canvas {
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa500 100%);
    color: white;
}

/* Experience Section */
.experience {
    background: var(--gradient-experience);
    color: white;
    position: relative;
    overflow: hidden;
}

.experience::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.02"><rect x="10" y="10" width="40" height="40" rx="5"/></g></svg>');
    animation: backgroundMove 35s linear infinite reverse;
}

.experience .section-header {
    position: relative;
    z-index: 2;
}

.experience .section-header h2 {
    color: white;
}

.experience .header-line {
    background: linear-gradient(90deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.3) 100%);
}

.timeline {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 2rem;
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: 0 0 0 5px white, 0 0 0 10px var(--border-color);
}

.timeline-date {
    background: var(--gradient-primary);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    margin: 0 2rem;
}

.timeline-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    flex: 1;
    margin: 0 2rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translate3d(0, -5px, 0);
    box-shadow: var(--shadow-hover);
}

.timeline-content h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.timeline-content h4 {
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.achievement {
    color: var(--text-light);
    background: var(--bg-light);
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    border-left: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.achievement:hover {
    background: rgba(52, 152, 219, 0.1);
    transform: translateX(5px);
}

.achievement strong {
    color: var(--primary-color);
}

/* Projects Section */
.projects {
    background: var(--gradient-projects);
    color: white;
    position: relative;
    overflow: hidden;
}

.projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="45" height="45" viewBox="0 0 45 45" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.04"><polygon points="22.5,5 40,17.5 22.5,30 5,17.5"/></g></svg>');
    animation: backgroundMove 40s linear infinite;
}

.projects .section-header {
    position: relative;
    z-index: 2;
}

.projects .section-header h2 {
    color: white;
}

.projects .header-line {
    background: linear-gradient(90deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.3) 100%);
}

.projects-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    padding-bottom: 100px;
}

.project-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    will-change: transform;
    transform: translate3d(0, 0, 0);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.project-card:hover {
    transform: translate3d(0, -15px, 0) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
    z-index: 10;
    border: 2px solid var(--secondary-color);
}

.project-card:hover .project-header h3 {
    color: var(--secondary-color);
    transform: translateX(5px);
}

.project-card:hover .tech {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.project-card.featured {
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.project-card.featured::before {
    background: var(--gradient-secondary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.project-card.featured:hover {
    border: 2px solid var(--secondary-color);
}

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

.project-header {
    padding: 2rem 2rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
}

.project-header h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    font-weight: 700;
    flex: 1;
}

.project-role {
    background: var(--gradient-primary);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
}

.project-description {
    padding: 0 2rem;
    margin-bottom: 1.5rem;
}

.project-description p {
    color: var(--text-light);
    line-height: 1.6;
}

.tech-stack {
    padding: 0 2rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech {
    background: var(--bg-light);
    color: var(--text-color);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

.project-achievements {
    padding: 0 2rem 2rem;
}

.project-achievements ul {
    list-style: none;
}

.project-achievements li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-light);
    line-height: 1.5;
}

.project-achievements li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    text-align: center;
    padding: 2rem;
    /* margin-top: 4rem; */
}

.footer-content p {
    font-size: 1.1rem;
    /* margin-bottom: 1rem; */
    opacity: 0.9;
}

.footer-tags {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-tags span {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.footer-tags span:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
        max-width: 900px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 0 20px;
    }
    
    .hero-content {
        padding: 0 15px;
    }
    
    .name {
        font-size: 2.2rem;
    }
    
    .chinese {
        font-size: 1.6rem;
    }
    
    .title {
        font-size: 1.3rem;
    }
    
    .subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-info span {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
    
    /* 移动端导航优化 */
    .nav-menu {
        padding: 0.8rem 1.2rem;
    }
    
    .nav-menu ul {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 0.3rem;
        padding: 0 0.8rem;
        flex-wrap: nowrap;
    }
    
    .nav-menu a {
        padding: 0.4rem 0.3rem;
        font-size: 1rem;
        text-align: center;
        flex: 1;
        white-space: nowrap;
        min-width: 0;
    }
    
    /* 移动端section调整 */
    .section {
        padding: 60px 0;
    }
    
    .section-inner {
        padding: 0 20px;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    /* 移动端个人优势布局 - 完全独立样式 */
    .advantages-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        grid-template-rows: none !important;
        gap: 2rem !important;
        padding: 0 !important;
        margin-bottom: 2rem !important;
        position: relative !important;
        z-index: 2 !important;
        max-width: none !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    .advantage-card {
        /* 重置所有可能的PC端影响 */
        display: block !important;
        position: relative !important;
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 auto !important;
        padding: 1.8rem !important;
        border-radius: 16px !important;
        
        /* 移动端独立动画设置 */
        opacity: 0 !important;
        transform: translate3d(0, 60px, 0) !important;
        transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
        will-change: transform, opacity !important;
        
        /* 背景和视觉效果 */
        background: rgba(255, 255, 255, 0.95) !important;
        backdrop-filter: blur(15px) !important;
        -webkit-backdrop-filter: blur(15px) !important;
        border: 1px solid rgba(255, 255, 255, 0.3) !important;
        box-shadow: var(--shadow) !important;
    }
    
    .advantage-card.fly-in {
        opacity: 1 !important;
        transform: translate3d(0, 0, 0) !important;
    }
    
    .card-icon {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .advantage-card h3 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }
    
    .advantage-card p {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    /* 移动端技能区域 */
    .skills-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .skill-category {
        padding: 1.5rem;
    }
    
    .skill-category h3 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
    
    .skill-tag {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    /* 移动端时间线 */
    .timeline {
        max-width: 100%;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: column !important;
        align-items: flex-start;
        padding-left: 50px;
        margin-bottom: 3rem;
    }
    
    .timeline-item::before {
        left: 20px;
        transform: translateX(-50%);
    }
    
    .timeline-date {
        margin: 0 0 1rem 0;
        font-size: 0.85rem;
        padding: 0.6rem 1.2rem;
    }
    
    .timeline-content {
        margin: 0;
        width: 100%;
        padding: 2rem 1.5rem;
    }
    
    .timeline-content h3 {
        font-size: 1.3rem;
    }
    
    .timeline-content h4 {
        font-size: 1rem;
        margin-bottom: 1rem;
    }
    
    .achievement {
        padding: 0.8rem;
        margin-bottom: 0.8rem;
        font-size: 0.9rem;
    }
    
    /* 移动端项目展示 - 完全独立样式 */
    .projects-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        grid-template-rows: none !important;
        gap: 2rem !important;
        padding-bottom: 50px !important;
        position: relative !important;
        z-index: 2 !important;
        max-width: none !important;
        margin: 0 !important;
    }
    
    .project-card {
        /* 重置所有可能的PC端影响 */
        display: block !important;
        position: relative !important;
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 auto !important;
        border-radius: 16px !important;
        
        /* 移动端独立悬浮动画 */
        transform: translate3d(0, 0, 0) !important;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        will-change: transform !important;
        
        /* 背景和视觉效果 */
        background: rgba(255, 255, 255, 0.95) !important;
        backdrop-filter: blur(15px) !important;
        -webkit-backdrop-filter: blur(15px) !important;
        border: 1px solid rgba(255, 255, 255, 0.3) !important;
        box-shadow: var(--shadow) !important;
        overflow: hidden !important;
    }
    
    .project-card:hover {
        transform: translate3d(0, -8px, 0) !important;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15) !important;
        border: 2px solid var(--secondary-color) !important;
    }
    
    .project-header {
        display: flex !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        padding: 1.8rem 1.8rem 1rem !important;
        gap: 0.8rem !important;
        width: 100% !important;
    }
    
    .project-header h3 {
        font-size: 1.3rem;
    }
    
    .project-role {
        padding: 0.4rem 1rem;
        font-size: 0.8rem;
    }
    
    .project-description {
        padding: 0 1.8rem;
        margin-bottom: 1rem;
    }
    
    .project-description p {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .tech-stack {
        padding: 0 1.8rem;
        margin-bottom: 1rem;
    }
    
    .tech {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
        margin-bottom: 0.4rem;
    }
    
    .project-achievements {
        padding: 0 1.8rem 1.8rem;
    }
    
    .project-achievements li {
        font-size: 0.9rem;
        margin-bottom: 0.6rem;
    }
    
    /* 移动端footer */
    .footer {
        padding: 1rem;
    }
    
    .footer-content p {
        font-size: 14px;
        margin-bottom: 0;
    }
    
    .footer-tags {
        justify-content: center;
        gap: 0.8rem;
    }
    
    .footer-tags span {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .name {
        font-size: 1.8rem;
    }
    
    .chinese {
        font-size: 1.4rem;
    }
    
    .title {
        font-size: 1.1rem;
    }
    
    .subtitle {
        font-size: 0.95rem;
    }
    
    .section-header h2 {
        font-size: 1.6rem;
    }
    
    .advantage-card {
        padding: 1.5rem;
    }
    
    .advantage-card h3 {
        font-size: 1.1rem;
    }
    
    .advantage-card p {
        font-size: 0.9rem;
    }
    
    .nav-menu ul {
        gap: 0.2rem;
        padding: 0 0.5rem;
    }
    
    .nav-menu a {
        padding: 0.3rem 0.2rem;
        font-size: 1rem;
        min-width: 0;
    }
}

/* 移动端响应式设计优化完成 */