/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary-color: #3498db;
    --secondary-color: #2980b9;
    --background-color: #f8f9fa;
    --text-color: #333;
    --light-gray: #e9ecef;
    --border-radius: 10px;
    --box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    --transition-time: 0.3s;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* 背景幻灯片 */
.background-slideshow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 2s ease-in-out;
}

.slide:nth-child(1) {
    background-image: url('https://source.unsplash.com/random/1920x1080/?agriculture,nature');
    opacity: 1;
}

.slide:nth-child(2) {
    background-image: url('https://source.unsplash.com/random/1920x1080/?farm,soil');
}

.slide:nth-child(3) {
    background-image: url('https://source.unsplash.com/random/1920x1080/?plant,botany');
}

.slide:nth-child(4) {
    background-image: url('https://source.unsplash.com/random/1920x1080/?science,laboratory');
}

.slide:nth-child(5) {
    background-image: url('https://source.unsplash.com/random/1920x1080/?ecology,environment');
}

.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
    z-index: 1;
}

h1, h2, h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

h1 {
    font-size: 2.8rem;
}

h2 {
    font-size: 1.8rem;
    position: relative;
    padding-bottom: 10px;
    margin-bottom: 25px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

section {
    margin-bottom: 40px;
    animation: fadeIn 1s ease-in-out;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 导航栏样式 */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 30px;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition-time);
}

.logo:hover {
    transform: scale(1.1);
}

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

.nav-links li {
    margin-left: 25px;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: var(--transition-time);
}

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

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

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

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px;
    transition: var(--transition-time);
}

/* 返回顶部按钮 */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-time);
    z-index: 999;
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    transform: translateY(-5px);
    background-color: var(--secondary-color);
}

/* 头部样式 */
header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
    gap: 30px;
}

.photo-container {
    flex: 0 0 200px;
}

.photo-frame {
    width: 180px;
    height: 220px;
    background-color: var(--light-gray);
    border: 3px solid var(--primary-color);
    border-radius: 5px;
    overflow: hidden;
    position: relative;
    transition: transform var(--transition-time);
}

.photo-frame:hover {
    transform: scale(1.05);
}

#profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-time);
}

.photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px;
    transform: translateY(100%);
    transition: transform var(--transition-time);
    text-align: center;
}

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

.photo-frame:hover #profile-photo {
    filter: brightness(0.8);
}

.header-content {
    flex: 1;
}

/* 动画文字效果 */
.animated-text {
    display: inline-block;
    position: relative;
    color: var(--primary-color);
}

.animated-text::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 3px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transform-origin: bottom right;
    transition: transform 0.5s ease-out;
}

.animated-text:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* 打字机效果 */
.typewriter {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #555;
}

/* 社交媒体链接 */
.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: var(--light-gray);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: all var(--transition-time);
    text-decoration: none;
}

.social-icon:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-5px);
}

/* 悬浮社交媒体栏 */
.social-sidebar {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.social-sidebar .social-icon {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    background-color: white;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.social-sidebar .social-icon:hover {
    transform: translateX(5px) scale(1.1);
    background-color: var(--primary-color);
    color: white;
}

/* 打印按钮 */
.print-button {
    position: fixed;
    bottom: 30px;
    left: 30px;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 30px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    z-index: 999;
    transition: all 0.3s;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.print-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.print-button i {
    font-size: 1.2rem;
}

/* 暗黑模式切换按钮 */
.dark-mode-button {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    z-index: 999;
    transition: all 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 18px;
}

.dark-mode-button:hover {
    transform: rotate(20deg);
}

/* 自定义鼠标样式 */
.custom-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: rgba(52, 152, 219, 0.3);
    box-shadow: 0 0 15px rgba(52, 152, 219, 0.5);
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9999;
    transition: transform 0.1s, width 0.3s, height 0.3s, background-color 0.3s;
}

.custom-cursor-outer {
    position: fixed;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(52, 152, 219, 0.5);
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 9998;
    transition: width 0.3s, height 0.3s, border-color 0.3s;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.contact-info p {
    display: flex;
    align-items: center;
    color: #666;
}

.contact-info i {
    margin-right: 8px;
    color: var(--primary-color);
}

/* 个人信息部分 */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.info-item {
    background-color: var(--light-gray);
    padding: 15px;
    border-radius: var(--border-radius);
    transition: transform var(--transition-time);
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.info-label {
    font-weight: bold;
    color: var(--secondary-color);
}

/* 下载简历按钮 */
.resume-download {
    margin-top: 20px;
    text-align: center;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all var(--transition-time);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.download-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.download-btn i {
    font-size: 1.2rem;
}

/* 时间线样式 */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 6px;
    height: 100%;
    width: 2px;
    background-color: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
}

.timeline-dot {
    position: absolute;
    left: -30px;
    top: 5px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 2px solid white;
    transition: all var(--transition-time);
}

.timeline-content {
    background-color: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-time);
}

.timeline-content:hover {
    transform: translateX(10px);
}

.timeline-date {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 10px;
}

.timeline-content ul {
    margin-top: 10px;
    margin-left: 20px;
}

.timeline-content li {
    margin-bottom: 5px;
}

/* 展开更多按钮 */
.expand-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    color: var(--primary-color);
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
    transition: var(--transition-time);
}

.expand-btn:hover {
    color: var(--secondary-color);
}

.expand-btn i {
    transition: transform var(--transition-time);
}

.expand-btn.active i {
    transform: rotate(180deg);
}

.expanded-content {
    display: none;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed #ddd;
}

.expanded-content.active {
    display: block;
    animation: expandFade 0.5s ease-in-out;
}

@keyframes expandFade {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 项目展示 */
.project-gallery {
    display: flex;
    gap: 15px;
    margin-top: 15px;
    overflow-x: auto;
    padding-bottom: 10px;
}

.gallery-item {
    flex: 0 0 200px;
    height: 120px;
    background-color: var(--light-gray);
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #666;
    transition: var(--transition-time);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--box-shadow);
}

/* 奖项样式 */
.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

/* 翻转卡片效果 */
.flip-card {
    perspective: 1000px;
    height: 150px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: var(--border-radius);
}

.flip-card-front {
    display: flex;
    align-items: center;
    background-color: white;
    padding: 20px;
    box-shadow: var(--box-shadow);
}

.flip-card-back {
    background-color: var(--primary-color);
    color: white;
    transform: rotateY(180deg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.flip-card-back h3 {
    color: white;
    margin-bottom: 10px;
}

.award-item i {
    font-size: 2rem;
    color: #f39c12;
    margin-right: 15px;
}

.award-content h3 {
    margin-bottom: 5px;
}

.award-content p {
    color: #666;
}

/* 技能样式 */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 30px;
}

.skill-category h3 {
    margin-bottom: 15px;
}

.skill-item {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.skill-name {
    flex: 0 0 100px;
    margin-bottom: 5px;
}

.skill-bar {
    flex: 1;
    height: 10px;
    background-color: var(--light-gray);
    border-radius: 5px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 5px;
    animation: skillAnimation 1.5s ease-in-out;
}

.skill-percentage {
    margin-left: 10px;
    font-size: 0.9rem;
    color: #666;
}

@keyframes skillAnimation {
    from {
        width: 0;
    }
}

/* 技能词云 */
.skills-cloud {
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.cloud-item {
    padding: 8px 15px;
    background-color: var(--light-gray);
    border-radius: 20px;
    transition: all var(--transition-time);
    cursor: default;
}

.cloud-item:hover {
    background-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

/* 联系表单样式 */
.contact-form-container {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group:nth-child(3),
.form-group:nth-child(4) {
    grid-column: span 2;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition-time);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.submit-btn {
    grid-column: span 2;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-time);
}

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

/* 页脚样式 */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: 40px 0;
    border-radius: var(--border-radius);
    margin-top: 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 0 30px;
}

.footer-section h3 {
    color: white;
    margin-bottom: 15px;
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: white;
}

.footer-section a {
    color: white;
    text-decoration: none;
    transition: var(--transition-time);
}

.footer-section a:hover {
    color: var(--light-gray);
    padding-left: 5px;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 8px;
}

.footer-section i {
    margin-right: 10px;
}

/* 主题切换器 */
.theme-switcher {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 10px;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 打印样式 */
@media print {
    .social-sidebar,
    .dark-mode-button,
    .print-button,
    .theme-switcher,
    #back-to-top,
    .custom-cursor,
    .custom-cursor-outer {
        display: none !important;
    }
    
    .container {
        margin: 0;
        padding: 20px;
        box-shadow: none;
    }
    
    body {
        background-color: white;
    }
    
    section {
        page-break-inside: avoid;
    }
    
    h2::after {
        background-color: #000;
    }
    
    .photo-frame {
        border: 2px solid #000;
    }
    
    h1, h2, h3 {
        color: #000;
    }
    
    a {
        color: #000;
        text-decoration: none;
    }
    
    .skill-level {
        border: 1px solid #000;
        background-color: #888;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
        margin: 15px;
    }
    
    header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .photo-container {
        margin-bottom: 20px;
    }
    
    .header-content {
        text-align: center;
    }
    
    .contact-info, .social-links {
        justify-content: center;
    }
    
    h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .skills-container {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        position: absolute;
        right: 0;
        top: 70px;
        height: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        align-items: center;
        overflow: hidden;
        transition: height var(--transition-time);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }
    
    .nav-links.active {
        height: 300px;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .burger {
        display: block;
    }
    
    .burger.active .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .burger.active .line2 {
        opacity: 0;
    }
    
    .burger.active .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .form-group:nth-child(3),
    .form-group:nth-child(4) {
        grid-column: auto;
    }
    
    .submit-btn {
        grid-column: auto;
    }

    .social-sidebar {
        bottom: 100px;
        top: auto;
        left: 20px;
        transform: none;
        flex-direction: row;
    }
}

/* 确保所有内容容器是半透明的 */
.container, section, header, footer, .info-item, .timeline-content, .award-item, .skill-category {
    background-color: rgba(255, 255, 255, 0.8) !important;
    position: relative;
    z-index: 1;
}

/* 确保body没有背景 */
body {
    background: none !important;
}