* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Microsoft YaHei', 'Arial', sans-serif;
            line-height: 1.6;
            color: #000;
            background: linear-gradient(135deg, #f39c12 0%, #e74c3c 100%);
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .header {
            background: linear-gradient(135deg, #d68910 0%, #c0392b 100%);
            color: #000;
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: repeating-linear-gradient(
                45deg,
                transparent,
                transparent 10px,
                rgba(255,255,255,0.05) 10px,
                rgba(255,255,255,0.05) 20px
            );
            animation: slide 20s linear infinite;
        }

        @keyframes slide {
            0% { transform: translate(-50%, -50%) rotate(0deg); }
            100% { transform: translate(-50%, -50%) rotate(360deg); }
        }

        .header-content {
            position: relative;
            z-index: 1;
        }

        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .header p {
            font-size: 1.2rem;
            opacity: 0.9;
        }

        .intro-section {
            padding: 3rem 2rem;
            background: #f8f9fa;
            border-bottom: 1px solid #e9ecef;
        }

        .intro-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .intro-content h2 {
            color: #d68910;
            font-size: 2rem;
            margin-bottom: 1.5rem;
        }

        .intro-content p {
            color: #000;
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 2rem;
        }

        .university-link {
            display: inline-block;
            background: linear-gradient(135deg, #f39c12 0%, #d68910 100%);
            color: white;
            text-decoration: none;
            padding: 1rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            margin-bottom: 1rem;
        }

        .university-link:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(214, 137, 16, 0.3);
        }

        .contacts-section {
            padding: 3rem 2rem;
        }

        .section-title {
            text-align: center;
            font-size: 2rem;
            color: #d68910;
            margin-bottom: 3rem;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 3px;
            background: #f39c12;
            margin: 1rem auto;
        }

        .contacts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 1.5rem;
        }

        .contact-card {
            background: white;
            border: 2px solid #e9ecef;
            border-radius: 15px;
            padding: 1.5rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .contact-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(135deg, #f39c12 0%, #d68910 100%);
            transform: scaleY(0);
            transition: transform 0.3s ease;
        }

        .contact-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
            border-color: #f39c12;
        }

        .contact-card:hover::before {
            transform: scaleY(1);
        }

        .college-name {
            font-size: 1.3rem;
            font-weight: 600;
            color: #d68910;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .college-icon {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, #f39c12 0%, #d68910 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 0.9rem;
            font-weight: bold;
        }

        .qq-info {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: #f8f9fa;
            padding: 1rem;
            border-radius: 10px;
            margin-bottom: 1rem;
        }

        .qq-number {
            font-size: 1.2rem;
            font-weight: 600;
            color: #f39c12;
            font-family: 'Courier New', monospace;
        }

        .copy-btn {
            background: #27ae60;
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            cursor: pointer;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .copy-btn:hover {
            background: #229954;
            transform: scale(1.05);
        }

        .copy-btn.copied {
            background: #7f8c8d;
        }

        .footer {
            background: linear-gradient(135deg, #d68910 0%, #c0392b 100%);
            color: #000;
            padding: 2rem;
            text-align: center;
        }

        .footer p {
            margin-bottom: 0.5rem;
        }

        .footer a {
            color: #ffd700;
            text-decoration: none;
            font-weight: 600;
        }

        .footer a:hover {
            text-decoration: underline;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .container {
                border-radius: 0;
                margin: -20px;
            }

            .header h1 {
                font-size: 2rem;
            }

            .header p {
                font-size: 1rem;
            }

            .contacts-grid {
                grid-template-columns: 1fr;
            }

            .intro-content p {
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.5rem;
            }
        }

        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .contact-card {
            animation: fadeInUp 0.6s ease forwards;
        }

        .contact-card:nth-child(1) { animation-delay: 0.1s; }
        .contact-card:nth-child(2) { animation-delay: 0.2s; }
        .contact-card:nth-child(3) { animation-delay: 0.3s; }
        .contact-card:nth-child(4) { animation-delay: 0.4s; }
        .contact-card:nth-child(5) { animation-delay: 0.5s; }
        .contact-card:nth-child(6) { animation-delay: 0.6s; }

        /* 特色装饰 */
        .feature-badge {
            display: inline-block;
            background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .literature-pattern {
            background-image: 
                repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(243, 156, 18, 0.1) 35px, rgba(243, 156, 18, 0.1) 70px),
                repeating-linear-gradient(-45deg, transparent, transparent 35px, rgba(214, 137, 16, 0.05) 35px, rgba(214, 137, 16, 0.05) 70px);
            background-size: 100% 100%;
        }

        .main-group {
            border: 3px solid #f39c12;
            background: linear-gradient(135deg, #fef5e7 0%, #fadbd8 100%);
        }

        .main-group .college-name {
            color: #d68910;
            font-size: 1.4rem;
        }

        .main-group .college-icon {
            background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
            width: 35px;
            height: 35px;
            font-size: 1rem;
        }

        /* 语言学院特殊样式 */
        .lang-card {
            position: relative;
        }

        .lang-card::after {
            content: '🌍';
            position: absolute;
            top: 10px;
            right: 10px;
            font-size: 1.2rem;
            opacity: 0.7;
        }