:root {
            --macaron-pink: #FF9AA2;
            --macaron-orange: #FFB7B2;
            --macaron-yellow: #FFDAC1;
            --macaron-green: #E2F0CB;
            --macaron-blue: #B5EAD7;
            --macaron-purple: #C7CEEA;
            --macaron-dark: #5E5E5E;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Poppins', 'Ma Shan Zheng', sans-serif;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 0;
            overflow-x: hidden;
            color: var(--macaron-dark);
            line-height: 1.6;
        }
        
        .loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--macaron-blue), var(--macaron-purple));
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            animation: fadeOut 0.8s 2.4s forwards;
        }
        
        .loader-content {
            text-align: center;
            transform: translateY(-20px);
        }
        
        .loader-spinner {
            position: relative;
            width: 80px;
            height: 80px;
            margin: 0 auto 30px;
        }
        
        .loader-spinner::before,
        .loader-spinner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            border: 5px solid transparent;
            animation: spin 1.5s linear infinite;
        }
        
        .loader-spinner::before {
            border-top-color: white;
            border-bottom-color: white;
            animation-delay: 0.3s;
        }
        
        .loader-spinner::after {
            border-left-color: var(--macaron-pink);
            border-right-color: var(--macaron-pink);
        }
        
        .loader-text {
            font-size: 1.2rem;
            color: white;
            text-shadow: 0 2px 4px rgba(0,0,0,0.1);
            animation: pulse 1.5s infinite;
            font-weight: 500;
            letter-spacing: 1px;
        }
        
        .loader-subtext {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.8);
            margin-top: 8px;
            animation: pulse 1.5s infinite 0.3s;
        }
        

        .container {
            width: 100%;
            max-width: 1200px;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 40px 20px;
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.8s 2.6s forwards;
        }
        

        .decoration {
            position: fixed;
            z-index: -1;
            opacity: 0.15;
            animation: float 6s ease-in-out infinite;
        }
        
        .decoration-1 {
            top: 10%;
            left: 5%;
            width: 150px;
            height: 150px;
            background: var(--macaron-pink);
            border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
            animation-delay: 0s;
        }
        
        .decoration-2 {
            top: 60%;
            right: 5%;
            width: 200px;
            height: 200px;
            background: var(--macaron-blue);
            border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
            animation-delay: 1s;
        }
        
        .decoration-3 {
            bottom: 10%;
            left: 15%;
            width: 100px;
            height: 100px;
            background: var(--macaron-yellow);
            border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
            animation-delay: 2s;
        }
        
        .header {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: 40px;
            width: 100%;
            position: relative;
        }
        

        .avatar-container {
            position: relative;
            width: 160px;
            height: 160px;
            margin-bottom: 30px;
            perspective: 1000px;
        }
        
        .avatar {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid white;
            box-shadow: var(--shadow-lg);
            transform: scale(0) rotateY(180deg);
            animation: popIn 0.8s 2.8s forwards, float 6s ease-in-out infinite 3.6s;
            position: relative;
            z-index: 2;
            background-color: var(--macaron-green);
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .avatar:hover {
            transform: scale(1.05) rotateY(0deg);
            box-shadow: 0 12px 28px rgba(0,0,0,0.2);
        }
        
        .avatar img {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            object-fit: cover;
        }
        
        .avatar-border {
            position: absolute;
            top: -10px;
            left: -10px;
            right: -10px;
            bottom: -10px;
            border-radius: 50%;
            background: linear-gradient(45deg, var(--macaron-pink), var(--macaron-purple), var(--macaron-blue));
            z-index: 1;
            opacity: 0;
            animation: fadeIn 0.6s 3.4s forwards;
        }
        

        .name {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--macaron-dark);
            margin-bottom: 10px;
            text-align: center;
            transform: translateY(20px);
            opacity: 0;
            animation: fadeInUp 0.6s 3s forwards;
            position: relative;
            display: inline-block;
            background: linear-gradient(135deg, var(--macaron-dark), #444);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        
        .name::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 4px;
            background: linear-gradient(90deg, var(--macaron-pink), var(--macaron-purple));
            border-radius: 2px;
            transform-origin: center;
            animation: scaleIn 0.8s 3.6s forwards;
        }
        
        .intro {
            font-size: 1.2rem;
            text-align: center;
            color: #666;
            max-width: 700px;
            line-height: 1.7;
            margin: 0 auto 30px;
            padding: 0 20px;
            transform: translateY(20px);
            opacity: 0;
            animation: fadeInUp 0.6s 3.2s forwards;
            font-weight: 400;
        }
        

        .social-links {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
            transform: translateY(20px);
            opacity: 0;
            animation: fadeInUp 0.6s 3.4s forwards;
        }
        
        .social-link {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: white;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--macaron-dark);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            font-size: 1.1rem;
        }
        
        .social-link:hover {
            transform: translateY(-5px) scale(1.1);
            box-shadow: var(--shadow-md);
            color: white;
        }
        
        .social-link:nth-child(1):hover { background: #FF9AA2; }
        .social-link:nth-child(2):hover { background: #B5EAD7; }
        .social-link:nth-child(3):hover { background: #C7CEEA; }
        .social-link:nth-child(4):hover { background: #FFDAC1; }
        
        /* 主卡片导航 */
        .main-card {
            width: 100%;
            background: white;
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--shadow-lg);
            transform: translateY(20px);
            opacity: 0;
            animation: fadeInUp 0.6s 3.6s forwards;
            position: relative;
            overflow: hidden;
            margin-bottom: 40px;
            transition: var(--transition);
        }
        
        .main-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 28px rgba(0,0,0,0.15);
        }
        
        .main-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 8px;
            background: linear-gradient(90deg, 
                var(--macaron-pink), 
                var(--macaron-orange), 
                var(--macaron-yellow), 
                var(--macaron-green), 
                var(--macaron-blue), 
                var(--macaron-purple));
            background-size: 600% 100%;
            animation: gradientBG 8s linear infinite;
        }
        
        .nav-tabs {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 30px;
            flex-wrap: wrap;
            position: relative;
        }
        
        .nav-tabs::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 100%;
            height: 2px;
            background: rgba(0,0,0,0.05);
            border-radius: 2px;
        }
        
        .nav-btn {
            padding: 12px 24px;
            border: none;
            border-radius: 50px;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            color: var(--macaron-dark);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            transform: scale(1);
            font-size: 1rem;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .nav-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--macaron-blue), var(--macaron-purple));
            opacity: 0;
            transition: var(--transition);
            z-index: -1;
        }
        
        .nav-btn:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: var(--shadow-md);
            color: white;
        }
        
        .nav-btn:hover::before {
            opacity: 1;
        }
        
        .nav-btn.active {
            background: linear-gradient(135deg, var(--macaron-pink), var(--macaron-purple));
            color: white;
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 6px 16px rgba(255, 154, 162, 0.3);
        }
        
        .nav-btn i {
            font-size: 0.9rem;
        }
        
        .tab-content {
            min-height: 300px;
            display: none;
            animation: fadeIn 0.6s ease;
            padding: 20px 0;
        }
        
        .tab-content.active {
            display: block;
        }
        
        .tab-content h2 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--macaron-dark);
            position: relative;
            display: inline-block;
        }
        
        .tab-content h2::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 50px;
            height: 3px;
            background: linear-gradient(90deg, var(--macaron-pink), var(--macaron-purple));
            border-radius: 3px;
        }
        
        .tab-content p {
            color: #666;
            margin-bottom: 20px;
            line-height: 1.7;
            max-width: 800px;
        }
        
        .site-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 30px;
            width: 100%;
        }
        
        .site-card {
            background: white;
            border-radius: 15px;
            padding: 25px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            transform: translateY(0);
            border-top: 5px solid var(--macaron-pink);
            position: relative;
            overflow: hidden;
            opacity: 0;
            animation: fadeInUp 0.6s 3.8s forwards;
        }
        
        .site-card:nth-child(1) { animation-delay: 3.8s; }
        .site-card:nth-child(2) { 
            border-top-color: var(--macaron-blue);
            animation-delay: 4s;
        }
        .site-card:nth-child(3) { 
            border-top-color: var(--macaron-green);
            animation-delay: 4.2s;
        }
        
        .site-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(255,255,255,0.8), rgba(255,255,255,0.4));
            z-index: -1;
        }
        
        .site-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        
        .site-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--macaron-dark);
            display: flex;
            align-items: center;
            position: relative;
        }
        
        .site-card h3::before {
            content: '';
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--macaron-pink);
            margin-right: 12px;
            box-shadow: 0 0 0 3px rgba(255, 154, 162, 0.3);
        }
        
        .site-card:nth-child(2) h3::before {
            background: var(--macaron-blue);
            box-shadow: 0 0 0 3px rgba(181, 234, 215, 0.3);
        }
        
        .site-card:nth-child(3) h3::before {
            background: var(--macaron-green);
            box-shadow: 0 0 0 3px rgba(226, 240, 203, 0.3);
        }
        
        .site-card p {
            color: #666;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        
        .site-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding:            10px 18px;
            background: linear-gradient(135deg, var(--macaron-green), var(--macaron-blue));
            color: white;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            font-size: 0.95rem;
            box-shadow: var(--shadow-sm);
        }
        
        .site-link:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            background: linear-gradient(135deg, var(--macaron-pink), var(--macaron-purple));
        }
        
        .site-link i {
            font-size: 0.8rem;
        }
        
        .skills-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }
        
        .skill-item {
            background: white;
            padding: 15px;
            border-radius: 10px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: center;
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.6s forwards;
        }
        
        .skill-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        
        .skill-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            color: var(--macaron-pink);
        }
        
        .skill-name {
            font-weight: 500;
            color: var(--macaron-dark);
        }
        
        .footer {
            width: 100%;
            text-align: center;
            padding: 30px 20px;
            color: #666;
            font-size: 0.95rem;
            margin-top: 40px;
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.6s 4.4s forwards;
            position: relative;
        }
        
        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 200px;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(0,0,0,0.1), transparent);
        }
        
        .footer p {
            margin-bottom: 8px;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 15px;
        }
        
        .footer-link {
            color: #666;
            text-decoration: none;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        
        .footer-link:hover {
            color: var(--macaron-pink);
            text-decoration: underline;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 0.9; }
            50% { transform: scale(1.05); opacity: 1; }
        }
        
        @keyframes fadeOut {
            to { opacity: 0; visibility: hidden; }
        }
        
        @keyframes popIn {
            0% { transform: scale(0) rotateY(180deg); }
            70% { transform: scale(1.1) rotateY(0deg); }
            100% { transform: scale(1) rotateY(0deg); }
        }
        
        @keyframes fadeInUp {
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes scaleIn {
            to { transform: translateX(-50%) scaleX(1); }
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes gradientBG {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        @media (max-width: 768px) {
            .name {
                font-size: 2.2rem;
            }
            
            .intro {
                font-size: 1.1rem;
            }
            
            .nav-tabs {
                gap: 10px;
            }
            
            .nav-btn {
                padding: 10px 18px;
                font-size: 0.95rem;
            }
            
            .site-cards {
                grid-template-columns: 1fr;
            }
            
            .skills-container {
                grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            }
        }
        
        @media (max-width: 480px) {
            .container {
                padding: 30px 15px;
            }
            
            .avatar-container {
                width: 130px;
                height: 130px;
            }
            
            .name {
                font-size: 1.8rem;
            }
            
            .intro {
                font-size: 1rem;
            }
            
            .nav-btn {
                padding: 8px 15px;
                font-size: 0.9rem;
            }
            
            .tab-content h2 {
                font-size: 1.5rem;
            }
        }