/* 全局样式重置和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 颜色变量 */
    --primary-color: #0f1b2d; /* 深海军蓝 */
    --accent-color: #00ffff; /* 电青色 */
    --text-color: #ffffff;
    --text-secondary: #e0e0e0;
    --section-padding: 100px 0;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--primary-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 字体样式 */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

/* 链接样式 */
a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

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

/* 容器样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: rgba(15, 27, 45, 0.95);
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.logo span {
    color: var(--accent-color);
}

.menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-size: 1rem;
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

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

.nav-link.active {
    color: var(--accent-color);
}

/* 汉堡菜单样式 */
.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* 首页/Hero Section 样式 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(15, 27, 45, 0.8), rgba(15, 27, 45, 0.9)), url('https://picsum.photos/id/1047/1920/1080') center/cover no-repeat;
    position: relative;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--accent-color);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    border: 1px solid var(--accent-color);
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 500;
    gap: 8px;
    transition: var(--transition);
}

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

/* 通用部分标题样式 */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: var(--accent-color);
}

/* 关于我/About Section 样式 */
.about {
    padding: var(--section-padding);
    background-color: #0a111f;
}

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

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.skills {
    margin-top: 30px;
}

.skills h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

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

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.skill-progress {
    width: 100%;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress-bar {
    height: 100%;
    background-color: var(--accent-color);
    border-radius: 4px;
    transition: width 1s ease;
}

/* 个人简历链接样式 */
.resume-link {
    display: inline-block;
    margin: 20px 0;
    padding: 12px 24px;
    background-color: var(--accent-color);
    color: var(--primary-color);
    font-weight: 600;
    border-radius: 30px;
    transition: var(--transition);
}

.resume-link:hover {
    background-color: rgba(0, 255, 255, 0.8);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.3);
}

.resume-link i {
    margin-right: 8px;
}

/* 联系我/Contact Section 样式 */
.contact {
    padding: var(--section-padding);
    background-color: #0a111f;
}

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

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-item i {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-top: 5px;
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.contact-item p {
    margin-bottom: 0;
    color: var(--text-secondary);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-submit {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--accent-color);
    color: var(--primary-color);
    font-weight: 600;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background-color: rgba(0, 255, 255, 0.8);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.3);
}

/* 我的作品/Work Section 样式 */
.work {
    padding: var(--section-padding);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.work-item {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
    transition: var(--transition);
}

.work-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.work-image {
    position: relative;
    overflow: hidden;
}

.work-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.work-item:hover .work-image img {
    transform: scale(1.05);
}

.work-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 27, 45, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.work-link {
    display: block;
    width: 100%;
    height: 100%;
    transition: var(--transition);
}

.work-title {
    font-size: 1.5rem;
    margin: 20px;
}

.work-description {
    margin: 0 20px 20px;
    font-size: 0.95rem;
}

.work-tags {
    display: flex;
    gap: 10px;
    margin: 0 20px 20px;
}

.work-tags span {
    font-size: 0.8rem;
    padding: 5px 10px;
    background-color: rgba(0, 255, 255, 0.1);
    color: var(--accent-color);
    border-radius: 20px;
}

/* 我的爱好/Hobbies Section 样式 */
.hobbies {
    padding: var(--section-padding);
    background-color: #0a111f;
}

.hobbies-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.hobby-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 30px;
    background-color: transparent;
    border: 2px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.1rem;
}

.hobby-tab:hover,
.hobby-tab.active {
    background-color: var(--accent-color);
    color: var(--primary-color);
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.hobby-tab i {
    font-size: 2rem;
}

.hobby-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

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

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

/* 爱好内容采用与作品相同的卡片式网格布局 */
.hobbies-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.hobby-item {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
    transition: var(--transition);
}

.hobby-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.hobby-image {
    position: relative;
    overflow: hidden;
}

.hobby-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.hobby-item:hover .hobby-image img {
    transform: scale(1.05);
}

.hobby-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 27, 45, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.hobby-link {
    display: block;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 0;
    font-size: inherit;
    transition: var(--transition);
}

.hobby-link:hover {
    background-color: transparent;
    color: inherit;
}

.hobby-title {
    font-size: 1.5rem;
    margin: 20px;
}

.hobby-description {
    margin: 0 20px 20px;
    font-size: 0.95rem;
}

.hobby-tags {
    display: flex;
    gap: 10px;
    margin: 0 20px 20px;
    flex-wrap: wrap;
}

.hobby-tags span {
    font-size: 0.8rem;
    padding: 5px 10px;
    background-color: rgba(0, 255, 255, 0.1);
    color: var(--accent-color);
    border-radius: 20px;
}

/* 页脚样式 */
.footer {
    padding: 50px 0;
    background-color: #060a11;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
    margin-bottom: 50px;
}

.footer-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-social {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

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

/* 图片查看器和作品详情模态框样式 */
.image-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.image-viewer.active {
    opacity: 1;
    visibility: visible;
}

.image-viewer-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

/* 作品详情模态框特殊样式 */
.project-content {
    display: flex;
    flex-direction: row;
    max-width: 90%;
    max-height: 80vh;
    background-color: rgba(15, 27, 45, 0.95);
    border-radius: 10px;
    overflow: hidden;
}

#project-image {
    width: 50%;
    max-height: 80vh;
    object-fit: cover;
}

.project-details {
    width: 50%;
    padding: 40px;
    overflow-y: auto;
    color: var(--text-color);
}

.project-details h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.project-details h3 {
    font-size: 1.5rem;
    margin: 30px 0 15px 0;
    color: var(--accent-color);
}

.project-details p {
    line-height: 1.8;
    margin-bottom: 20px;
}

.project-extra-details {
    margin-top: 30px;
}

.project-extra-details ul {
    list-style-type: none;
    padding-left: 0;
    margin-bottom: 20px;
}

.project-extra-details li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.project-extra-details li:before {
    content: "•";
    color: var(--accent-color);
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -5px;
}

/* 响应式设计 - 作品详情模态框 */
@media (max-width: 992px) {
    .project-content {
        flex-direction: column;
        max-width: 95%;
    }
    
    #project-image {
        width: 100%;
        max-height: 50vh;
    }
    
    .project-details {
        width: 100%;
        padding: 30px;
    }
}

#viewer-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.image-viewer-close,
.image-viewer-prev,
.image-viewer-next {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.5);
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.image-viewer-close:hover,
.image-viewer-prev:hover,
.image-viewer-next:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

.image-viewer-close {
    top: -50px;
    right: 0;
}

.image-viewer-prev {
    top: 50%;
    left: -50px;
    transform: translateY(-50%);
}

.image-viewer-next {
    top: 50%;
    right: -50px;
    transform: translateY(-50%);
}

/* 返回顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    color: var(--primary-color);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
}

/* 响应式设计 - 平板设备 */
@media (max-width: 992px) {
    .about-content,
    .hobby-content > div {
        grid-template-columns: 1fr;
    }
    
    .about-image,
    .hobby-text {
        text-align: center;
    }
    
    .work-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 响应式设计 - 移动设备 */
@media (max-width: 768px) {
    .menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--primary-color);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
    }
    
    .menu.active {
        right: 0;
    }
    
    .hamburger {
        display: block;
        z-index: 1001;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.2rem;
    }
    
    .work-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .image-viewer-prev,
    .image-viewer-next {
        top: auto;
        bottom: -50px;
    }
    
    .image-viewer-prev {
        left: 50%;
        transform: translateX(-150%);
    }
    
    .image-viewer-next {
        right: 50%;
        transform: translateX(150%);
    }
}

/* 响应式设计 - 小屏幕手机 */
@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
    }
}