:root {
    /*--dark-bg: #1a1a1a;*/
    --dark-bg: #ffffff;
    --dark-secondary: #f8f9fa;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --accent: #1abc9c;
    --accent-dark: #16a085;
    --primary: #3498db;
    --secondary: #95a5a6;
    --success: #2ecc71;
    --info: #2980b9;
    --warning: #f1c40f;
    --danger: #e74c3c;
    --light: #ecf0f1;
    --dark: #34495e;
    --section-padding: 80px 0;
    --border-radius: 12px;
    --box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

/* 全局样式 */
body.dark-theme {
    background-color: var(--dark-bg);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
}

.section {
    padding: var(--section-padding);
}

.section-title {
    text-align: left;
    color: var(--accent);
    margin-bottom: 30px;
    font-size: 2.5rem;
}

/* 导航栏样式 */
.navbar {
    transition: var(--transition);
    background-color: transparent;
    padding: 20px 0;
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 12px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.navbar-brand {
    color: var(--accent) !important;
    font-weight: 700;
    font-size: 1.8rem;
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.navbar-brand:hover {
    color: var(--accent-dark) !important;
    transform: scale(1.05);
}

.nav-link {
    color: var(--text-primary) !important;
    margin: 0 8px;
    position: relative;
    transition: var(--transition);
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 6px;
}

.navbar.scrolled .nav-link {
    color: var(--text-primary) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--accent) !important;
    background-color: rgba(26, 188, 156, 0.1) !important;
}

.navbar.scrolled .nav-link:hover {
    color: var(--accent) !important;
    background-color: rgba(26, 188, 156, 0.1) !important;
}

.navbar-toggler {
    border: none;
    padding: 8px 10px;
    border-radius: 8px;
    background-color: rgba(26, 188, 156, 0.2);
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833, 37, 41, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* 英雄区域样式 */
.hero {
    padding: 180px 0 100px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4edf9 100%);
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(26, 188, 156, 0.1) 0%, transparent 40%),
                radial-gradient(circle at bottom left, rgba(52, 152, 219, 0.1) 0%, transparent 40%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero h1 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero h2 {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 1.8rem;
    font-weight: 400;
    position: relative;
    display: inline-block;
}

.hero h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    border-radius: 2px;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.contact-info a,
.contact-info span {
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    padding: 10px 15px;
    border-radius: 50px;
    background-color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.03);
}

.contact-info a:hover,
.contact-info span:hover {
    color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
    background-color: rgba(26, 188, 156, 0.1);
}

.contact-info i {
    font-size: 1.2rem;
    color: var(--accent);
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    line-height: 1.8;
    max-width: 700px;
    margin-top: 20px;
}

.profile-image img {
    border: 5px solid var(--accent);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 300px;
    height: auto;
}

/* 技能卡片样式 */
.skill-card {
    background-color: var(--dark-secondary);
    padding: 35px;
    border-radius: var(--border-radius);
    height: 100%;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
    border: none;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
    background-color: white;
}

.skill-card i {
    color: var(--accent);
    font-size: 3rem;
    margin-bottom: 25px;
    display: block;
}

.skill-card h3 {
    color: var(--text-primary);
    margin-bottom: 25px;
    font-size: 1.5rem;
    font-weight: 600;
    position: relative;
    padding-bottom: 12px;
}

.skill-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    border-radius: 2px;
}

.skill-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.skill-card ul li {
    color: var(--text-secondary);
    margin-bottom: 15px;
    position: relative;
    padding-left: 25px;
    line-height: 1.6;
    transition: var(--transition);
}

.skill-card ul li:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

.skill-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
    top: 2px;
}

/* 工作经历卡片样式 */
.experience-card {
    background-color: var(--dark-secondary);
    padding: 35px;
    border-radius: var(--border-radius);
    height: 100%;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
    border: none;
}

.experience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.experience-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
    background-color: white;
}

.experience-card h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.5rem;
    font-weight: 600;
    position: relative;
    padding-bottom: 12px;
}

.experience-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    border-radius: 2px;
}

.experience-card .timeline-company {
    color: var(--accent);
    font-weight: 500;
    font-size: 1.1rem;
}

.experience-card h4 {
    color: var(--text-primary);
    margin-top: 25px;
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 600;
    position: relative;
    padding-bottom: 8px;
}

.experience-card h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent);
    border-radius: 2px;
}

.experience-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.experience-card ul li {
    color: var(--text-secondary);
    margin-bottom: 12px;
    position: relative;
    padding-left: 25px;
    line-height: 1.7;
    transition: var(--transition);
}

.experience-card ul li:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

.experience-card ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
    top: 2px;
    font-size: 1.5rem;
}

.timeline-title {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.timeline-title .timeline-company {
    font-size: 1.1rem;
    color: var(--accent);
    font-weight: 500;
}

.timeline-item {
    margin-bottom: 35px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

/* 卡片样式 */
.card {
    background: white;
    border: none;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
    height: 100%;
    position: relative;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.card-body {
    padding: 30px;
}

.card-title {
    color: var(--text-primary) !important;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 12px;
}

.card-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    border-radius: 2px;
}

.card-text {
    color: var(--text-secondary);
    line-height: 1.7;
}

.btn-outline-accent {
    color: var(--accent) !important;
    border-color: var(--accent) !important;
    border-radius: 50px;
    padding: 8px 20px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-outline-accent:hover {
    background: var(--accent) !important;
    color: white !important;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(26, 188, 156, 0.3);
}

.project-links {
    display: flex;
    gap: 10px;
}

.project-links .btn {
    padding: 6px 15px;
    font-size: 0.85rem;
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4edf9 100%);
    padding: 5rem 0 3rem;
    margin-top: 5rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: -40px;
    left: 0;
    width: 100%;
    height: 80px;
    background: radial-gradient(circle at top center, rgba(26, 188, 156, 0.1) 0%, transparent 60%);
}

.footer p {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 1.2rem;
    line-height: 1.7;
    font-weight: 400;
}

.footer i {
    transition: var(--transition);
    color: var(--accent);
    font-size: 1.3rem;
}

.footer i:hover {
    transform: scale(1.3) rotate(10deg);
}

.highlight-value {
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    font-size: 1.6rem;
    text-align: center;
    display: inline-block;
}

.footer .container {
    position: relative;
    z-index: 2;
}

@keyframes glow {
    from {
        text-shadow: 0 0 5px rgba(26, 188, 156, 0.3), 0 0 10px rgba(26, 188, 156, 0.2), 0 0 15px rgba(26, 188, 156, 0.1);
    }
    to {
        text-shadow: 0 0 10px rgba(26, 188, 156, 0.4), 0 0 20px rgba(26, 188, 156, 0.3), 0 0 30px rgba(26, 188, 156, 0.2);
    }
}


/* 响应式调整 */
@media (max-width: 768px) {
    #education .card {
        margin-bottom: 30px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero h2 {
        font-size: 1.3rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .contact-info {
        gap: 12px;
    }

    .contact-info a,
    .contact-info span {
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    .skill-card,
    .experience-card,
    .education-card {
        padding: 25px;
    }

    .navbar-brand {
        font-size: 1.5rem;
    }

    .nav-link {
        margin: 0 4px;
        padding: 6px 10px;
        font-size: 0.95rem;
    }

    .timeline-title {
        flex-direction: column;
        align-items: flex-start;
    }

    .timeline-title .timeline-company {
        margin-left: 0;
        margin-top: 5px;
        font-size: 1rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.8s ease forwards;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--accent), var(--accent-dark));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(var(--accent-dark), var(--accent));
}

/* 按钮样式 */
.btn {
    border-radius: 50px;
    padding: 10px 25px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(26, 188, 156, 0.4);
    color: white;
}

.section {
    position: relative;
}

/* 分区标题装饰 */
.section-title {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 60px;
    font-size: 2.5rem;
    font-weight: 700;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    border-radius: 2px;
}

/* 下载按钮样式 */
.download-btn {
    display: inline-block;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(26, 188, 156, 0.3);
    border: none;
    cursor: pointer;
    margin-top: 20px;
}

.download-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(26, 188, 156, 0.4);
    color: white;
}

/* 二维码样式优化 */
#qr-code-image {
    max-width: 300px;
    max-height: 300px;
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    animation: popup 0.3s ease;
}

#overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999;
    cursor: pointer;
    animation: fadeIn 0.3s ease;
}

@keyframes popup {
    from {
        opacity: 0;
        transform: translate(-50%, -45%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}




/* 教育背景部分样式 */
.education-card {
    background-color: white;
    padding: 35px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
    border: none;
    height: 100%;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.education-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.education-card .card-title {
    color: var(--text-primary);
    margin-bottom: 25px;
    font-size: 1.5rem;
    font-weight: 600;
    position: relative;
    padding-bottom: 12px;
}

.education-card .card-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-dark));
    border-radius: 2px;
}

.education-card ul li {
    color: var(--text-secondary);
    margin-bottom: 15px;
    position: relative;
    padding-left: 25px;
    line-height: 1.7;
    transition: var(--transition);
}

.education-card ul li:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

.education-card ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
    top: 2px;
    font-size: 1.5rem;
}

.education-icon {
    display: flex;
    justify-content: left;
    margin-bottom: 20px;
}

.education-icon i {
    font-size: 3rem;
    color: var(--accent);
}


/* 从 index.html 移动过来的样式 */
nav.main-nav {
    background-color: white;
}

.devlei-brand {
    color: #fe2062;
}
.navbar-toggler, .navbar-toggler i, .nav-items, .nav-items .nav-link {
    color: black;
}
.hero-section {
    background-color: #eeeeee;
}
.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #fe2062;
    margin-bottom: 20px;
}
.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 400;
    color: black;
    margin-bottom: 30px;
}
.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}
.contact-link {
    color: #fe2062;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s ease;
}
.contact-item {
    color: #fe2062;
    display: flex;
    align-items: center;
    gap: 8px;
}
.contact-link i, .contact-item i {
    font-size: 1.25rem;
}
.hero-description {
    font-size: 1.1rem;
    color: black;
    line-height: 1.6;
}