:root {
            --primary-color: #9c27b0;
            --secondary-color: #673ab7;
            --accent-color: #e91e63;
            --light-bg: #f8f9fa;
            --dark-text: #333;
            --transition: all 0.3s ease;
        }
        body {
            font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
            color: var(--dark-text);
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color) !important;
            font-size: 1.8rem;
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(156, 39, 176, 0.9), rgba(103, 58, 183, 0.9)),
                        url('https://images.unsplash.com/photo-1519389950473-47ba0277781c?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0;
            position: relative;
        }
        .profile-card {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .profile-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }
        .profile-img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            transition: var(--transition);
        }
        .profile-card:hover .profile-img {
            transform: scale(1.05);
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            color: var(--secondary-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--accent-color);
            bottom: -15px;
            left: 0;
            border-radius: 2px;
        }
        .text-center .section-title:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .work-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .work-card:hover {
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }
        .work-img {
            height: 250px;
            object-fit: cover;
            transition: var(--transition);
        }
        .work-card:hover .work-img {
            transform: scale(1.05);
        }
        .badge-custom {
            background: var(--primary-color);
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
        }
        .video-container {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
            border-radius: 10px;
            background: #000;
        }
        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }
        .flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 5px;
            background: var(--light-bg);
            border-radius: 30px;
            color: var(--dark-text);
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .footer {
            background: linear-gradient(135deg, var(--secondary-color), #311b92);
            color: white;
            padding: 60px 0 20px;
        }
        .footer a {
            color: #e1bee7;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--accent-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            z-index: 1000;
            opacity: 0;
            transition: var(--transition);
        }
        .back-to-top.show {
            opacity: 1;
        }
        .timeline {
            position: relative;
            padding-left: 30px;
            border-left: 3px solid var(--primary-color);
            margin-left: 15px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--accent-color);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
        }