/* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        :root {
            --primary: #2563eb;
            --secondary: #1d4ed8;
            --accent: #38bdf8;
            --light: #f8fafc;
            --dark: #0f172a;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --gray: #64748b;
            --light-gray: #e2e8f0;
            --card-bg: #ffffff;
            --section-bg: #f1f5f9;
            --font-main: 'Noto Sans SC', sans-serif;
        }
        
        body {
            font-family: var(--font-main), 'Segoe UI', sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: #f8fafc;
            overflow-x: hidden;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        section {
            padding: 80px 0;
        }
        
        h1, h2, h3, h4 {
            margin-bottom: 20px;
            font-weight: 700;
            line-height: 1.2;
        }
        
        h1 {
            font-size: 3.5rem;
        }
        
        h2 {
            font-size: 2.5rem;
            position: relative;
            display: inline-block;
            margin-bottom: 50px;
            color: var(--secondary);
        }
        
        h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }
        
        p {
            margin-bottom: 15px;
            color: var(--gray);
            font-size: 1.1rem;
        }
        
        a {
            text-decoration: none;
            color: var(--primary);
            transition: all 0.3s ease;
        }
        
        a:hover {
            color: var(--secondary);
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--primary);
            color: white;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: 2px solid var(--primary);
            font-size: 1.1rem;
            cursor: pointer;
        }
        
        .btn:hover {
            background: transparent;
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
        }
        
        .btn-outline {
            background: transparent;
            color: var(--primary);
        }
        
        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }
        
        /* 头部样式 */
        header {
            background: white;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            color: var(--dark);
            font-weight: 600;
            position: relative;
            font-size: 1.1rem;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }
        
        /* 英雄区域 */
        .hero {
            padding-top: 180px;
            padding-bottom: 100px;
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: var(--accent);
            opacity: 0.1;
        }
        
        .hero-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .hero-text {
            flex: 1;
            padding-right: 50px;
        }
        
        .hero-image {
            flex: 1;
            display: flex;
            justify-content: center;
        }
        
        .profile-img {
            width: 320px;
            height: 320px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid white;
            box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
            background: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 120px;
            color: var(--primary);
            position: relative;
            overflow: hidden;
        }
        
        .profile-img::after {
            content: '海南';
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: var(--primary);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
        }
        
        .hero h1 {
            margin-bottom: 20px;
            line-height: 1.2;
            color: var(--secondary);
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            max-width: 600px;
            color: var(--gray);
        }
        
        .highlight {
            background: linear-gradient(120deg, var(--accent) 0%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 700;
        }
        
        .social-links {
            display: flex;
            margin-top: 30px;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: white;
            color: var(--primary);
            margin-right: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            font-size: 1.2rem;
        }
        
        .social-links a:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-5px);
        }
        
        /* 关于我 */
        .about {
            background: white;
        }
        
        .about-content {
            display: flex;
            gap: 50px;
            align-items: center;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        
        .stat-item {
            text-align: center;
            padding: 25px;
            background: var(--section-bg);
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .stat-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
            display: block;
        }
        
        .stat-label {
            font-weight: 600;
            color: var(--dark);
        }
        
        /* 技能 */
        .skills {
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
        }
        
        .skills-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .skill-category {
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }
        
        .skill-category:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(37, 99, 235, 0.2);
        }
        
        .skill-category h3 {
            margin-bottom: 20px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .skill-category h3 i {
            background: var(--accent);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
        }
        
        .skill-item {
            margin-bottom: 20px;
        }
        
        .skill-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
        }
        
        .skill-bar {
            height: 12px;
            background: var(--light-gray);
            border-radius: 6px;
            overflow: hidden;
        }
        
        .skill-progress {
            height: 100%;
            background: var(--primary);
            border-radius: 6px;
            position: relative;
        }
        
        .skill-progress::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0.8;
        }
        
        /* 项目 */
        .projects {
            background: white;
        }
        
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .project-card {
            background: var(--card-bg);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            position: relative;
        }
        
        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(37, 99, 235, 0.2);
        }
        
        .project-img {
            height: 200px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 4rem;
            position: relative;
        }
        
        .project-tag {
            position: absolute;
            top: 15px;
            right: 15px;
            background: white;
            color: var(--primary);
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        
        .project-content {
            padding: 25px;
        }
        
        .project-tags {
            display: flex;
            flex-wrap: wrap;
            margin: 15px 0;
        }
        
        .project-tag-list {
            background: var(--light-gray);
            color: var(--gray);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-right: 10px;
            margin-bottom: 10px;
        }
        
        /* 教育背景 */
        .education {
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
        }
        
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background: var(--primary);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }
        
        .timeline-item {
            padding: 20px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }
        
        .timeline-item:nth-child(odd) {
            left: 0;
        }
        
        .timeline-item:nth-child(even) {
            left: 50%;
        }
        
        .timeline-content {
            padding: 20px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            position: relative;
        }
        
        .timeline-content::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background: var(--primary);
            border: 4px solid white;
            top: 20px;
            border-radius: 50%;
            z-index: 1;
        }
        
        .timeline-item:nth-child(odd) .timeline-content::after {
            right: -34px;
        }
        
        .timeline-item:nth-child(even) .timeline-content::after {
            left: -34px;
        }
        
        .timeline-date {
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            display: block;
        }
        
        .timeline-title {
            margin-bottom: 10px;
            color: var(--dark);
        }
        
        /* 联系 */
        .contact {
            background: white;
        }
        
        .contact-container {
            display: flex;
            gap: 50px;
        }
        
        .contact-info {
            flex: 1;
        }
        
        .contact-form {
            flex: 1;
            background: var(--section-bg);
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
            font-size: 1.1rem;
        }
        
        .form-control {
            width: 100%;
            padding: 14px 15px;
            border: 1px solid var(--light-gray);
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s ease;
            background: white;
        }
        
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
        }
        
        textarea.form-control {
            min-height: 180px;
            resize: vertical;
        }
        
        .contact-item {
            display: flex;
            margin-bottom: 25px;
            padding: 20px;
            background: var(--section-bg);
            border-radius: 12px;
            transition: all 0.3s ease;
        }
        
        .contact-item:hover {
            transform: translateX(10px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .contact-icon {
            width: 55px;
            height: 55px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.4rem;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .contact-details h4 {
            margin-bottom: 5px;
            color: var(--dark);
            font-size: 1.2rem;
        }
        
        .contact-details p {
            margin: 0;
            color: var(--gray);
            font-size: 1.1rem;
        }
        
        /* 页脚 */
        footer {
            background: var(--dark);
            color: white;
            padding: 40px 0 20px;
            text-align: center;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
        }
        
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
        }
        
        .footer-links {
            display: flex;
            list-style: none;
        }
        
        .footer-links li {
            margin-left: 25px;
        }
        
        .footer-links a {
            color: white;
            font-size: 1.1rem;
        }
        
        .copyright {
            color: var(--gray);
            font-size: 1rem;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .beian-info {
    margin-top: 10px;
    font-size: 0.9rem;
}

.beian-info a {
    color: var(--gray);
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

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

.beian-info a::before {
    content: '\f0ac';  /* Font Awesome 的 globe 图标 */
    font-family: var(--font-main), 'Segoe UI', sans-serif;
    font-weight: 900;
    font-size: 0.8rem;
}
        /* 动画效果 */
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-15px); }
            100% { transform: translateY(0px); }
        }
        
        .floating {
            animation: float 6s ease-in-out infinite;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .hero-content {
                flex-direction: column;
                text-align: center;
            }
            
            .hero-text {
                padding-right: 0;
                margin-bottom: 50px;
            }
            
            .social-links {
                justify-content: center;
            }
            
            .about-content {
                flex-direction: column;
            }
            
            .contact-container {
                flex-direction: column;
            }
            
            .footer-content {
                flex-direction: column;
                gap: 25px;
            }
            
            .timeline::after {
                left: 31px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
                left: 0 !important;
            }
            
            .timeline-item:nth-child(even) {
                margin-top: 30px;
            }
            
            .timeline-content::after {
                left: -34px !important;
            }
        }
        
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
            
            h2 {
                font-size: 2rem;
            }
            
            .nav-links {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .projects-grid {
                grid-template-columns: 1fr;
            }
            
            .profile-img {
                width: 250px;
                height: 250px;
                font-size: 80px;
            }
            
            .about-stats {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            section {
                padding: 60px 0;
            }
            
            .hero {
                padding-top: 150px;
            }
            
            .profile-img {
                width: 220px;
                height: 220px;
                font-size: 70px;
            }
            
            .contact-form {
                padding: 25px;
            }
            
            .contact-item {
                padding: 15px;
            }
            
            .footer-links {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .footer-links li {
                margin: 5px 10px;
            }
        }
        /* 弹窗样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    padding: 50px 40px;
    border-radius: 20px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
    transform: scale(0.8) translateY(20px);
    transition: all 0.3s ease;
    position: relative;
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
    font-size: 2.5rem;
    animation: float 3s ease-in-out infinite;
}

.modal-title {
    font-size: 1.8rem;
    color: var(--dark);
    margin-bottom: 15px;
    font-weight: 700;
}

.modal-text {
    color: var(--gray);
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.6;
}

.modal-close {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 35px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-main), 'Segoe UI', sans-serif;
}

.modal-close:hover {
    background: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

.modal-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--light-gray);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.modal-close-btn:hover {
    background: var(--danger);
    color: white;
    transform: rotate(90deg);
}