:root {
            --primary-color: #9c27b0;
            --secondary-color: #e1bee7;
            --dark-color: #4a148c;
            --light-color: #f3e5f5;
            --accent-color: #ff9800;
        }
        body {
            font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
            background-color: #fafafa;
            color: #333;
            line-height: 1.8;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color) !important;
            font-size: 1.8rem;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--light-color) 0%, #ffffff 100%);
            padding: 100px 0;
            margin-bottom: 60px;
            border-bottom: 3px solid var(--secondary-color);
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--dark-color);
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        .hero-subtitle {
            font-size: 1.5rem;
            color: #666;
            margin-bottom: 30px;
        }
        .section-title {
            color: var(--dark-color);
            border-left: 5px solid var(--accent-color);
            padding-left: 15px;
            margin: 60px 0 40px;
            font-weight: 700;
        }
        .card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px 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(1.05);
        }
        .card-title {
            color: var(--dark-color);
            font-weight: 700;
            margin-bottom: 15px;
        }
        .badge-custom {
            background-color: var(--primary-color);
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-right: 8px;
            margin-bottom: 10px;
            display: inline-block;
        }
        .btn-primary-custom {
            background-color: var(--primary-color);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-primary-custom:hover {
            background-color: var(--dark-color);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(156, 39, 176, 0.3);
        }
        .footer {
            background-color: #2c2c2c;
            color: #ddd;
            padding: 60px 0 30px;
            margin-top: 80px;
        }
        .footer a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .friendlink .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px 10px;
            background: #f1f1f1;
            border-radius: 25px;
            color: #555;
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #ddd;
        }
        .friendlink .flink:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .video-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(156, 39, 176, 0.8);
            color: white;
            border-radius: 50%;
            width: 70px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            transition: all 0.3s;
            border: none;
        }
        .video-play-btn:hover {
            background: rgba(74, 20, 140, 0.9);
            transform: translate(-50%, -50%) scale(1.1);
        }
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .timeline:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--secondary-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(--secondary-color);
        }
        .content-text {
            text-align: justify;
            font-size: 1.05rem;
            color: #444;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-subtitle {
                font-size: 1.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }