:root {
            --primary-color: #d81b60;
            --secondary-color: #8e24aa;
            --dark-color: #1a1a2e;
            --light-color: #f8f9fa;
            --accent-color: #ff6f00;
        }
        body {
            font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
            background-color: #fefefe;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        .gradient-bg {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }
        .hero-section {
            background: linear-gradient(rgba(26, 26, 46, 0.85), rgba(26, 26, 46, 0.9)), 
                        url('https://images.unsplash.com/photo-1511285560929-80b456fea0bc?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
            color: white;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
            margin-bottom: 1.5rem;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }
        .center-title:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card-hover {
            transition: all 0.3s ease;
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .video-thumbnail {
            position: relative;
            overflow: hidden;
            border-radius: 8px;
        }
        .video-thumbnail img {
            transition: transform 0.5s ease;
        }
        .video-thumbnail:hover img {
            transform: scale(1.05);
        }
        .play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 60px;
            height: 60px;
            background-color: rgba(216, 27, 96, 0.85);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            transition: all 0.3s ease;
        }
        .play-btn:hover {
            background-color: var(--primary-color);
            transform: translate(-50%, -50%) scale(1.1);
        }
        .btn-primary-custom {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            border: none;
            padding: 10px 25px;
            color: white;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(216, 27, 96, 0.3);
            color: white;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            margin: 0 8px;
            position: relative;
        }
        .navbar-nav .nav-link:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            bottom: 0;
            left: 0;
            transition: width 0.3s ease;
        }
        .navbar-nav .nav-link:hover:after {
            width: 100%;
        }
        .flink {
            display: inline-block;
            background-color: #f8f9fa;
            padding: 8px 20px;
            margin: 5px;
            border-radius: 30px;
            color: #555;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid #e9ecef;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(216, 27, 96, 0.2);
        }
        footer {
            background-color: var(--dark-color);
            color: #aaa;
        }
        footer a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        footer a:hover {
            color: white;
        }
        .copyright {
            background-color: rgba(0,0,0,0.3);
            padding: 15px 0;
        }
        .timeline {
            position: relative;
            max-width: 1000px;
            margin: 0 auto;
        }
        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background-color: var(--primary-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }
        .timeline-item {
            padding: 10px 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-color: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: white;
            border: 4px solid var(--primary-color);
            border-radius: 50%;
            top: 20px;
            z-index: 1;
        }
        .timeline-item:nth-child(odd)::after {
            right: -12px;
        }
        .timeline-item:nth-child(even)::after {
            left: -12px;
        }
        @media (max-width: 768px) {
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item:nth-child(even) {
                left: 0;
            }
            .timeline-item::after {
                left: 21px;
            }
            .timeline-item:nth-child(odd)::after,
            .timeline-item:nth-child(even)::after {
                left: 21px;
            }
        }
        .pagination-custom .page-link {
            color: var(--primary-color);
            border: 1px solid #dee2e6;
        }
        .pagination-custom .page-item.active .page-link {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        .badge-custom {
            background-color: var(--primary-color);
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            font-weight: 500;
        }
        .img-frame {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        .stats-item {
            text-align: center;
            padding: 20px;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .stats-item i {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        .stats-item .number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--dark-color);
        }
        .stats-item .label {
            color: #666;
            font-size: 0.95rem;
            margin-top: 5px;
        }