/* 全局样式 */
:root {
    --primary-color: #5a5a78;
    --secondary-color: #6e6e6e;
    --background-color: #f5f5f5;
    --text-color: #333;
    --accent-color: #e1e1e1;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --card-hover-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Raleway', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
}

/* 头部样式 */
header {
    text-align: center;
    padding: 40px 0;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    position: relative;
}

header h1 {
    font-size: 2em;
    margin-bottom: 5px;
}

.contact-info {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.contact-info p {
    margin: 0;
    font-style: normal;
}

.contact-info a {
    color: white;
    text-decoration: none;
    font-style: normal;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* 头像样式 */
.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 4px solid white;
    position: absolute;
    top: 20px;
    right: 20px;
    object-fit: cover;
    object-position: 0 25%;
}

/* 添加响应式样式 */
@media screen and (max-width: 768px) {
    .profile-image {
        position: static;
        margin: 0 auto 20px;
        display: block;
        width: 180px;
        height: 180px;
    }
}

/* 章节样式 */
section {
    background: white;
    padding: 30px;
    margin-bottom: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

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

h2 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-size: 1.8em;
}

/* 教育和工作经历样式 */
.education-item, .experience-item {
    margin-bottom: 30px;
    padding: 20px;
    border-left: 4px solid var(--primary-color);
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    transition: var(--transition);
}

.education-item:hover, .experience-item:hover {
    border-left-width: 6px;
    transform: translateX(5px);
    box-shadow: var(--card-shadow);
}

.education-item h3, .experience-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.3em;
    font-weight: 600;
}

.date {
    color: var(--primary-color);
    font-style: italic;
    margin-bottom: 10px;
    font-weight: 500;
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9em;
}

.company {
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-weight: 500;
    font-size: 1.1em;
}

ul {
    list-style-type: none;
    padding-left: 20px;
}

ul li {
    margin-bottom: 10px;
    position: relative;
}

ul li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: -20px;
}

/* 技能和兴趣样式 */
#skills ul, #interests ul {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

#skills li, #interests li {
    background: var(--accent-color);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9em;
}

/* 作品集和思维导图样式 */
#portfolio ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding-left: 0;
}

#portfolio li {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid #e9ecef;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

#portfolio li::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
}

#portfolio li:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow);
    border-color: var(--primary-color);
}

#portfolio li:hover::before {
    width: 6px;
}

#portfolio li strong {
    color: var(--primary-color);
    font-size: 1.1em;
    display: block;
    margin-bottom: 8px;
}

#portfolio li a {
    color: var(--secondary-color);
    text-decoration: none;
    word-break: break-all;
    transition: var(--transition);
}

#portfolio li a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}



/* 思维导图标题框样式 */
.roadmap-item {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid #e9ecef;
    margin-bottom: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.roadmap-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
}

.roadmap-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow);
    border-color: var(--primary-color);
}

.roadmap-item:hover::before {
    width: 6px;
}

.roadmap-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2em;
    font-weight: 600;
}

.roadmap-item ul {
    list-style: none;
    padding-left: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}

.roadmap-item ul li {
    background: rgba(255, 255, 255, 0.8);
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid #e5e7eb;
    transition: var(--transition);
    font-size: 0.9em;
    color: var(--secondary-color);
}

.roadmap-item ul li:hover {
    background: rgba(90, 90, 120, 0.05);
    border-color: var(--primary-color);
    transform: translateX(3px);
    color: var(--primary-color);
}

.roadmap-item ul li a {
    color: inherit;
    text-decoration: none;
    display: block;
    width: 100%;
    height: 100%;
    transition: var(--transition);
}

.roadmap-item ul li a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

/* 产品创意样式 */
.idea-item {
    margin-bottom: 25px;
}

.idea-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 页脚样式 */
footer {
    text-align: center;
    padding: 20px;
    color: var(--secondary-color);
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}



/* 下载按钮样式 */
.download-btn {
    margin-top: 16px;
    padding: 8px 20px;
    font-size: 16px;
    background-color: #3b82f6;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.download-btn:hover {
    background-color: #2563eb;
}

/* 数字字体优化 - 使用等宽字体 */
.date, .contact-info, .download-btn {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', 'Courier New', monospace;
}

/* 针对包含数字的标题 */
.experience-item h3, .education-item h3 {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', 'Courier New', monospace;
}

/* 全局数字字体优化 */
body {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1;
}

/* 确保所有数字都使用等宽字体 */
* {
    font-variant-numeric: tabular-nums;
}

/* 附件证书堆叠样式 */
.certificates-stack {
    position: relative;
    height: 300px;
    perspective: 1000px;
}

.certificate-item {
    position: absolute;
    width: 100%;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border: 1px solid #e9ecef;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    cursor: pointer;
    overflow: hidden;
}

.certificate-item:nth-child(1) {
    top: 0;
    z-index: 4;
    transform: translateY(0) scale(1);
}

.certificate-item:nth-child(2) {
    top: 10px;
    z-index: 3;
    transform: translateY(0) scale(0.95);
}

.certificate-item:nth-child(3) {
    top: 20px;
    z-index: 2;
    transform: translateY(0) scale(0.9);
}

.certificate-item:nth-child(4) {
    top: 30px;
    z-index: 1;
    transform: translateY(0) scale(0.85);
}

.certificate-preview {
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    position: relative;
}

.certificate-preview h3 {
    margin: 0 0 10px 0;
    font-size: 1.1em;
    font-weight: 600;
}

.cert-date {
    margin: 0;
    font-size: 0.9em;
    opacity: 0.9;
}

.certificate-detail {
    padding: 20px;
    background: white;
    color: var(--text-color);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.certificate-detail h3 {
    color: var(--primary-color);
    margin: 0 0 10px 0;
    font-size: 1.2em;
    font-weight: 600;
}

.certificate-detail .cert-date {
    color: var(--secondary-color);
    margin: 0 0 15px 0;
    font-size: 0.9em;
}

.cert-description {
    margin: 0 0 15px 0;
    line-height: 1.6;
    color: var(--text-color);
}

.cert-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.cert-tags span {
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.8em;
    font-weight: 500;
}

/* 悬停效果 */
.certificate-item:hover {
    z-index: 10 !important;
    transform: translateY(-10px) scale(1.02) !important;
    box-shadow: var(--card-hover-shadow);
}

.certificate-item:hover .certificate-detail {
    max-height: 500px;
    padding: 20px;
}

/* 悬停时其他证书的视觉效果 */
.certificates-stack:hover .certificate-item:not(:hover) {
    opacity: 0.7;
    transform: translateY(5px) scale(0.9) !important;
}

/* 证书展示样式 */
#certificates .certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    padding: 0;
}

.certificate-card {
    background: var(--white);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--accent-color);
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.certificate-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
}

.certificate-card h3 {
    color: var(--text-color);
    font-size: 1.1em;
    font-weight: 600;
    text-align: center;
    margin: 0;
}

/* 证书展示样式 - 直接显示图片 */
#certificates .certificates-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 20px 0;
}

.certificate-row {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.certificate-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.certificate-img {
    border-radius: 4px;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    image-rendering: pixelated;
    image-rendering: auto;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    transition: all 0.3s ease;
    cursor: pointer;
}

.certificate-img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    z-index: 10;
    position: relative;
}

.certificate-caption {
    margin-top: 8px;
    font-size: 0.9em;
    color: var(--secondary-color);
    font-weight: 500;
    line-height: 1.4;
    max-width: 100%;
    text-align: center;
}

/* 第一排 - 横版证书 */
.certificate-row.horizontal .certificate-img {
    width: 350px;
    height: 250px;
    object-fit: contain;
    max-width: 100%;
    height: auto;
    aspect-ratio: 350/250;
}

/* 第二排 - 竖版证书 */
.certificate-row.vertical .certificate-img {
    width: 200px;
    height: 280px;
    object-fit: contain;
    max-width: 100%;
    height: auto;
    aspect-ratio: 200/280;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .certificate-row.horizontal .certificate-img {
        width: 300px;
        height: 200px;
    }
    
    .certificate-row.vertical .certificate-img {
        width: 180px;
        height: 250px;
    }
}

@media screen and (max-width: 480px) {
    .certificate-row {
        gap: 10px;
    }
    
    .certificate-row.horizontal .certificate-img {
        width: 250px;
        height: 170px;
    }
    
    .certificate-row.vertical .certificate-img {
        width: 160px;
        height: 220px;
    }
}

/* 附件大图（铺满一行）覆盖样式 */
#certificates .certificates-container {
    width: 100%;
    padding: 0;
}

#certificates .certificate-row {
    width: 100%;
    margin-bottom: 24px;
}

#certificates .certificate-row .certificate-img {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
    display: block;
    aspect-ratio: auto !important;
}

/* 自我评价部分样式 */
#evaluation .indent-text {
    text-indent: 2em;
    margin-bottom: 15px;
    line-height: 1.8;
}

#evaluation .resource-list {
    list-style: none;
    padding-left: 1.5em;
    margin-top: 10px;
}

#evaluation .resource-list li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 15px;
}

#evaluation .resource-list li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.darkgreen-link {
    color: #006400;
    text-decoration: none;
    transition: var(--transition);
}

.darkgreen-link:hover {
    color: #004d00;
    text-decoration: underline;
}