/* 
* 陈玉珊个人网站样式表
* 设计风格：现代简约，强调视觉层次和用户体验
*/

/* ===== 基础样式 ===== */
:root {
    --primary-color: #6c5ce7;
    --secondary-color: #a29bfe;
    --accent-color: #fd79a8;
    --text-color: #333;
    --light-text: #666;
    --bg-color: #fff;
    --light-bg: #f9f9f9;
    --border-color: #eee;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
}

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

a:hover {
    color: var(--accent-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
}

.primary-btn:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.secondary-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.secondary-btn:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.separator {
    height: 3px;
    width: 70px;
    background-color: var(--accent-color);
    margin: 0 auto;
}

/* ===== 导航栏 ===== */
header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 15px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--text-color);
    font-weight: 500;
    padding: 10px 0;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

.contact-btn {
    background-color: var(--primary-color);
    color: white !important;
    padding: 10px 20px !important;
    border-radius: 30px;
}

.contact-btn:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* ===== 英雄区域 ===== */
.hero {
    padding: 150px 0 100px;
    background-color: var(--light-bg);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content h1 span {
    color: var(--primary-color);
}

.hero-content h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--light-text);
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    position: relative;
    text-align: center;
}

.image-placeholder {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto;
    border: 5px solid white;
    box-shadow: var(--shadow);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== 关于我 ===== */
.about {
    padding: 100px 0;
    background-color: var(--bg-color);
}

.about-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.tag {
    background-color: var(--light-bg);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--text-color);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.tag:hover {
    transform: translateY(-3px);
    background-color: var(--primary-color);
    color: white;
}

.tag i {
    margin-right: 5px;
    color: var(--accent-color);
}

.tag:hover i {
    color: white;
}

/* ===== 爱好 ===== */
.hobbies {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.hobby-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.hobby-card {
    background-color: var(--bg-color);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.hobby-card:hover {
    transform: translateY(-10px);
}

.hobby-icon {
    width: 80px;
    height: 80px;
    background-color: var(--light-bg);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.hobby-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.hobby-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.hobby-card p {
    color: var(--light-text);
}

/* ===== 联系我 ===== */
.contact {
    padding: 100px 0;
    background-color: var(--bg-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background-color: var(--light-bg);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(108, 92, 231, 0.2);
}

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

/* ===== 页脚 ===== */
footer {
    background-color: #333;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-logo h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== 作品页面 ===== */
.page-banner {
    padding: 150px 0 80px;
    background-color: var(--light-bg);
    text-align: center;
}

.page-banner h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.page-banner p {
    font-size: 1.2rem;
    color: var(--light-text);
    max-width: 700px;
    margin: 0 auto;
}

/* 工作经历 */
.work-experience {
    padding: 100px 0;
}

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

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50px;
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 100px;
    margin-bottom: 50px;
}

.timeline-dot {
    position: absolute;
    left: 44px;
    top: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 3px solid white;
    box-shadow: var(--shadow);
}

.timeline-date {
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 500;
    color: var(--primary-color);
}

.timeline-content {
    background-color: var(--light-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.timeline-content .company {
    font-style: italic;
    color: var(--light-text);
    margin-bottom: 15px;
}

/* 作品展示 */
.portfolio {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: none;
    background-color: var(--bg-color);
    color: var(--text-color);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    background-color: var(--bg-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-10px);
}

.portfolio-img {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(108, 92, 231, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-link {
    width: 50px;
    height: 50px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transform: translateY(20px);
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-link {
    transform: translateY(0);
}

.portfolio-info {
    padding: 20px;
}

.portfolio-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.portfolio-info p {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* 工作总结 */
.work-summary {
    padding: 100px 0;
}

.summary-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.summary-text p {
    margin-bottom: 20px;
}

.skills h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.skill-item {
    margin-bottom: 20px;
}

.skill-name {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
}

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

.skill-progress {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 5px;
}

/* ===== 社交动态页面 ===== */
.social-media {
    padding: 100px 0;
}

.social-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.tab {
    padding: 10px 25px;
    background-color: var(--light-bg);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.tab:hover,
.tab.active {
    background-color: var(--primary-color);
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.social-card {
    background-color: var(--bg-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.social-card:hover {
    transform: translateY(-10px);
}

.social-img {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.social-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.social-card:hover .social-img img {
    transform: scale(1.1);
}

.social-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(108, 92, 231, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

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

.social-link {
    width: 50px;
    height: 50px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transform: translateY(20px);
    transition: var(--transition);
}

.social-card:hover .social-link {
    transform: translateY(0);
}

.social-info {
    padding: 20px;
}

.social-info h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.social-date {
    color: var(--light-text);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.social-desc {
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.social-stats {
    display: flex;
    gap: 15px;
    color: var(--light-text);
    font-size: 0.9rem;
}

.social-stats i {
    color: var(--accent-color);
    margin-right: 5px;
}

.social-link-more {
    text-align: center;
    margin-top: 40px;
}

/* 视频卡片 */
.video-card .social-img {
    position: relative;
}

.video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
    transition: var(--transition);
}

.video-play i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.video-card:hover .video-play {
    background-color: var(--primary-color);
}

.video-card:hover .video-play i {
    color: white;
}

/* 文章卡片 */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.article-card {
    background-color: var(--bg-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-10px);
}

.article-img {
    height: 200px;
    overflow: hidden;
}

.article-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card:hover .article-img img {
    transform: scale(1.1);
}

.article-info {
    padding: 20px;
}

.article-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.article-date {
    color: var(--light-text);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.article-desc {
    margin-bottom: 20px;
    font-size: 0.95rem;
    color: var(--light-text);
}

.article-read-more {
    font-weight: 500;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.article-read-more i {
    transition: var(--transition);
}

.article-read-more:hover i {
    transform: translateX(5px);
}

/* 订阅区域 */
.newsletter {
    padding: 80px 0;
    background-color: var(--primary-color);
    color: white;
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.newsletter-content p {
    margin-bottom: 30px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: 30px;
    font-family: inherit;
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
}

.newsletter-form .btn {
    background-color: var(--accent-color);
}

.newsletter-form .btn:hover {
    background-color: white;
    color: var(--primary-color);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .image-placeholder {
        width: 300px;
        height: 300px;
    }
    
    .summary-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .skills {
        max-width: 600px;
    }
}

@media (max-width: 768px) {
    header .container {
        padding: 15px;
    }
    
    .menu-toggle {
        display: block;
    }
    
    nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 80px);
        background-color: white;
        transition: var(--transition);
        box-shadow: var(--shadow);
        z-index: 1000;
    }
    
    nav.active {
        left: 0;
    }
    
    nav ul {
        flex-direction: column;
        padding: 30px;
    }
    
    nav ul li {
        margin: 15px 0;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 2;
    }
    
    .hero-image {
        order: 1;
        margin-bottom: 30px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        order: 2;
    }
    
    .contact-form {
        order: 1;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .portfolio-grid,
    .social-grid,
    .articles-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .image-placeholder {
        width: 250px;
        height: 250px;
    }
    
    .timeline-item {
        padding-left: 70px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-dot {
        left: 24px;
    }
    
    .timeline-date {
        position: relative;
        margin-bottom: 10px;
        display: block;
    }
    
    .portfolio-grid,
    .social-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .social-tabs {
        flex-direction: column;
        align-items: center;
    }
}