:root {
            --primary-color: #e74c3c;
            --secondary-color: #2c3e50;
            --accent-color: #f39c12;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            min-height: 100vh;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color) !important;
            font-size: 1.8rem;
        }
        .hero-section {
            background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.8)), url('https://images.unsplash.com/photo-1518676590629-3dcbd9c5a5c9?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 8rem 0;
            position: relative;
        }
        .profile-img {
            border: 5px solid white;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            transition: transform 0.5s ease;
        }
        .profile-img:hover {
            transform: scale(1.05);
        }
        .card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .card-img-top {
            height: 250px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img-top {
            transform: scale(1.1);
        }
        .badge-custom {
            background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: 500;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 3rem;
            color: var(--secondary-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 3px;
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
        }
        .btn-custom {
            background: linear-gradient(45deg, var(--primary-color), #c0392b);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(231, 76, 60, 0.3);
            color: white;
        }
        .video-thumbnail {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            cursor: pointer;
        }
        .video-thumbnail::after {
            content: '\f04b';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: white;
            background: rgba(231, 76, 60, 0.8);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            transition: all 0.3s ease;
        }
        .video-thumbnail:hover::after {
            background: var(--primary-color);
            width: 70px;
            height: 70px;
        }
        .friendlink a {
            background: white;
            padding: 15px 30px;
            border-radius: 10px;
            color: var(--secondary-color);
            text-decoration: none;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100%;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
        }
        .friendlink a:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            color: var(--primary-color);
        }
        .footer {
            background: var(--secondary-color);
            color: #ecf0f1;
            padding: 3rem 0;
        }
        .copyright {
            background: rgba(0,0,0,0.2);
            padding: 20px 0;
            margin-top: 2rem;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 4rem 0;
                text-align: center;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
        .modal-content {
            border-radius: 15px;
            border: none;
        }
        .pagination .page-link {
            color: var(--primary-color);
            border: none;
            margin: 0 5px;
            border-radius: 8px;
        }
        .pagination .page-item.active .page-link {
            background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
            color: white;
        }
        .stats-box {
            background: white;
            border-radius: 15px;
            padding: 25px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        .stats-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .stats-box i {
            font-size: 2.5rem;
            background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 15px;
        }
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
        }
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
            padding-left: 20px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -33px;
            top: 5px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--primary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--primary-color);
        }
        .flink {
            transition: all 0.3s ease;
            border: 1px solid #e0e0e0;
        }
        .flink:hover {
            border-color: var(--primary-color);
        }