/* 全局变量和重置 */
        :root {
            --primary: #5c7cfa;
            --secondary: #4263eb;
            --accent: #ea4335;
            --light: #f8f9fa;
            --dark: #202124;
            --blue-light: #e6f0ff;
            --blue-medium: #b3d1ff;
            --blue-dark: #003d99;
            --green: #0b8043;
            --light-green: #0a6e3a;
            --yellow: #fbbc05;
            --nature: #0b8043;
            --humanities: #8e24aa;
            --arts: #e67c73;
            --summary: #4285f4;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --page-width: 1200px;
            --border-radius: 12px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        body {
            background-color: #f5f7fa;
            color: var(--dark);
            line-height: 1.6;
            min-height: 100vh;
            padding-top: 100px;
        }

        /* 导航栏样式 */
        .detailed-navbar {
            background-color: #fdfdfe;
            width: 100%;
            position: fixed;
            top: 0;
            left: 0;
            z-index: 1000;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }
        
        .detailed-nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 40px;
            min-height: 100px;
            max-width: 1400px;
            margin: 0 auto;
            width: 100%;
        }
        
        .detailed-logo {
            display: flex;
            align-items: center;
            gap: 18px;
            text-decoration: none;
            flex-shrink: 0;
        }
        
        .detailed-logo-icon {
            width: 60px;
            height: 60px;
            background: #f5f7ff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            box-shadow: 0 5px 15px rgba(92, 124, 250, 0.15);
            transition: all 0.3s ease;
            overflow: hidden;
        }
        
        .detailed-logo-icon img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            border-radius: 12px;
        }
        
        .detailed-logo:hover .detailed-logo-icon {
            transform: rotate(10deg) scale(1.05);
            box-shadow: 0 8px 20px rgba(92, 124, 250, 0.25);
        }
        
        .detailed-logo-text {
            font-size: 32px;
            font-weight: 800;
            color: #4a5568;
            letter-spacing: 0.8px;
            white-space: nowrap;
        }
        
        .detailed-logo-text span {
            background: linear-gradient(90deg, #5c7cfa, #4263eb);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .detailed-nav-menu {
            display: flex;
            list-style: none;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            padding: 5px 0;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        
        .detailed-nav-menu::-webkit-scrollbar {
            display: none;
        }
        
        .detailed-nav-item {
            position: relative;
            padding: 5px 0;
            flex-shrink: 0;
        }
        
        .detailed-nav-link {
            text-decoration: none;
            color: #4a5568;
            font-weight: 700;
            font-size: 18px;
            transition: all 0.3s ease;
            position: relative;
            padding: 15px 20px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            white-space: nowrap;
        }
        
        .detailed-nav-icon {
            display: inline-block;
            width: 24px;
            text-align: center;
            margin-right: 10px;
            font-size: 18px;
            color: #5c7cfa;
            transition: color 0.3s ease;
        }
        
        .detailed-nav-link:hover .detailed-nav-icon {
            color: currentColor;
        }
        
        .detailed-nav-item.detailed-active .detailed-nav-link .detailed-nav-icon {
            color: white;
        }
        
        .detailed-nav-item.detailed-active .detailed-nav-link {
            background: linear-gradient(135deg, #5c7cfa 0%, #4263eb 100%);
            color: white !important;
            box-shadow: 0 5px 15px rgba(92, 124, 250, 0.25);
        }
        
        .detailed-nav-link:hover {
            color: #5c7cfa;
        }
        
        .detailed-nav-link::after {
            content: '';
            position: absolute;
            bottom: 10px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, #5c7cfa, #4263eb);
            border-radius: 2px;
            transition: width 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        
        .detailed-nav-link:hover::after {
            width: 60%;
        }
        
        .detailed-hamburger {
            display: none;
            cursor: pointer;
            width: 40px;
            height: 30px;
            position: relative;
            z-index: 100;
            order: -1;
            margin-right: 15px;
        }
        
        .detailed-hamburger span {
            display: block;
            position: absolute;
            height: 4px;
            width: 100%;
            background: #5c7cfa;
            border-radius: 4px;
            opacity: 1;
            left: 0;
            transform: rotate(0deg);
            transition: all 0.3s ease;
        }
        
        .detailed-hamburger span:nth-child(1) {
            top: 0;
        }
        
        .detailed-hamburger span:nth-child(2) {
            top: 13px;
            width: 85%;
        }
        
        .detailed-hamburger span:nth-child(3) {
            top: 26px;
        }
        
        .detailed-hamburger.detailed-active span {
            background: #4263eb;
        }
        
        .detailed-hamburger.detailed-active span:nth-child(1) {
            top: 13px;
            transform: rotate(135deg);
        }
        
        .detailed-hamburger.detailed-active span:nth-child(2) {
            opacity: 0;
            left: -30px;
        }
        
        .detailed-hamburger.detailed-active span:nth-child(3) {
            top: 13px;
            transform: rotate(-135deg);
        }
        
        @media (max-width: 992px) {
            .detailed-nav-container {
                padding: 0 30px;
                justify-content: flex-start;
                position: relative;
                min-height: 80px;
            }
            
            .detailed-hamburger {
                display: block;
                margin-right: 15px;
                order: -1;
            }
            
            .detailed-nav-menu {
                position: absolute;
                top: 100%; 
                left: 0;
                width: 100%;
                flex-direction: column;
                background: #fdfdfe;
                padding: 15px 0;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
                transform: translateY(-100%);
                transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), 
                            opacity 0.4s ease;
                z-index: 99;
                border-radius: 0 0 15px 15px;
                gap: 0;
                opacity: 0;
                visibility: hidden;
                border-top: 1px solid rgba(92, 124, 250, 0.15);
                overflow: visible;
            }
            
            .detailed-nav-menu.detailed-active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            
            .detailed-nav-item {
                width: 100%;
                text-align: center;
                padding: 0;
                border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            }
            
            .detailed-nav-item:last-child {
                border-bottom: none;
            }
            
            .detailed-nav-link {
                padding: 18px 25px;
                margin: 0 20px;
                border-radius: 8px;
                transition: all 0.2s ease;
                justify-content: center;
            }
            
            .detailed-nav-link:hover {
                background: rgba(92, 124, 250, 0.08);
            }
            
            .detailed-nav-link::after {
                display: none;
            }
            
            .detailed-nav-item.detailed-active .detailed-nav-link {
                margin: 0 20px;
                box-shadow: 0 4px 12px rgba(92, 124, 250, 0.2);
            }
            
            .detailed-nav-icon {
                display: inline-block;
                margin-right: 12px;
                font-size: 20px;
            }
            
            .detailed-nav-link:active {
                transform: scale(0.96);
            }
            
            body {
                padding-top: 0;
            }
            
            .detailed-logo {
                position: absolute;
                left: 50%;
                top: 50%;
                transform: translate(-50%, -50%);
                margin: 0;
            }
            
            .detailed-logo-icon {
                width: 50px;
                height: 50px;
            }
            
            .detailed-logo-text {
                font-size: 28px;
            }
        }
        
        @media (max-width: 992px) {
            .detailed-navbar {
                overflow: visible;
                transition: border-radius 0.3s ease;
            }
            
            .detailed-navbar.detailed-menu-expanded {
                border-bottom-left-radius: 0;
                border-bottom-right-radius: 0;
            }
        }

        @media (max-width: 768px) {
            .detailed-logo-icon {
                width: 40px;
                height: 40px;
            }
            
            .detailed-logo-text {
                font-size: 20px;
            }
        }
        
        @media (max-width: 576px) {
            .detailed-nav-container {
                min-height: 70px;
            }
            
            .detailed-logo-icon {
                width: 36px;
                height: 36px;
            }
            
            .detailed-logo-text {
                font-size: 18px;
            }
        }
        
        @media (max-width: 400px) {
            .detailed-logo-text {
                display: none;
            }
            
            .detailed-logo {
                gap: 0;
            }
            
            .detailed-hamburger {
                margin-right: 10px;
            }
        }

        /* 按钮样式 */
        .back-to-top {
            position: fixed;
            bottom: 110px;
            right: 30px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, #5c7cfa 0%, #4263eb 100%);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            border: none;
            z-index: 999;
            transition: all 0.3s ease;
            opacity: 1;
            visibility: hidden;
            transform: translateY(20px);
        }
        
        .back-to-top.visible {
            visibility: visible;
            transform: translateY(0);
        }
        
        .back-to-top:hover {
            background: linear-gradient(135deg, #5c7cfa 0%, #4263eb 100%);
            box-shadow: 0 6px 15px rgba(0,0,0,0.2);
            transform: translateY(-3px);
        }
        
        /* 报名咨询按钮 */
        .consult-button {
            position: fixed;
            bottom: 30px;
            right: 30px;
            padding: 14px 24px;
            border-radius: 30px;
            background: linear-gradient(135deg, #0b8043, #0a6e3a);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            box-shadow: 0 5px 20px rgba(11, 128, 67, 0.5);
            border: none;
            z-index: 998;
            transition: all 0.3s ease;
            overflow: hidden;
            animation: pulse-green 2s infinite;
        }
        
        .consult-button i {
            margin-right: 8px;
            font-size: 18px;
        }
        
        .consult-button:hover {
            transform: scale(1.05);
            box-shadow: 0 7px 25px rgba(11, 128, 67, 0.7);
            animation: none;
        }
        
        /* 绿色脉冲动画 */
        @keyframes pulse-green {
            0% {
                box-shadow: 0 0 0 0 rgba(11, 128, 67, 0.7);
            }
            70% {
                box-shadow: 0 0 0 15px rgba(11, 128, 67, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(11, 128, 67, 0);
            }
        }
        
        /* 移动端按钮调整 */
        @media (max-width: 992px) {
            .consult-button {
                padding: 12px 20px;
                font-size: 14px;
                bottom: 20px;
                right: 20px;
            }
            
            .back-to-top {
                width: 45px;
                height: 45px;
                font-size: 18px;
                bottom: 90px;
                right: 20px;
            }
        }
        
        @media (max-width: 576px) {
            .consult-button {
                padding: 10px 16px;
                font-size: 13px;
            }
        }

        /* 关于我们页面原有样式 */
        .about-hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-bottom: 3rem;
        }
        
        .about-hero::before {
            content: "";
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 70%);
            z-index: 0;
        }
        
        .about-hero-content {
            position: relative;
            z-index: 1;
            max-width: var(--page-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .about-hero h1 {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
            font-weight: 700;
        }
        
        .about-hero p {
            font-size: 1.3rem;
            opacity: 0.9;
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.8;
        }
        
        .about-container {
            max-width: var(--page-width);
            margin: 0 auto 4rem;
            padding: 0 20px;
        }
        
        .about-section {
            background: white;
            border-radius: var(--border-radius);
            padding: 3rem;
            margin-bottom: 2.5rem;
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }
        
        .about-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }
        
        .about-section h2 {
            font-size: 2rem;
            margin-bottom: 1.5rem;
            color: var(--secondary);
            position: relative;
            padding-bottom: 15px;
        }
        
        .about-section h2::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }
        
        .about-section p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            line-height: 1.8;
            color: #444;
        }
        
        .about-values {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        
        .value-card {
            background: var(--blue-light);
            border-radius: var(--border-radius);
            padding: 2rem;
            text-align: center;
            transition: var(--transition);
            border: 1px solid var(--blue-medium);
        }
        
        .value-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
            border-color: var(--blue-dark);
        }
        
        .value-icon {
            font-size: 3rem;
            color: var(--secondary);
            margin-bottom: 1.5rem;
            display: inline-block;
        }
        
        .value-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--blue-dark);
        }
        
        /* 成功案例部分 */
        .success-cases {
            background: white;
            border-radius: var(--border-radius);
            padding: 3rem;
            margin-bottom: 2.5rem;
            box-shadow: var(--shadow);
        }
        
        .cases-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        
        .cases-filter {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        
        .filter-btn {
            padding: 8px 16px;
            border-radius: 20px;
            background: var(--blue-light);
            border: 1px solid var(--blue-medium);
            color: var(--blue-dark);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
        }
        
        .filter-btn.active, .filter-btn:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }
        
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 2rem;
        }
        
        .case-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            border: 1px solid #eee;
        }
        
        .case-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        
        .case-image {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        
        .case-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .case-card:hover .case-image img {
            transform: scale(1.05);
        }
        
        .case-category {
            position: absolute;
            top: 15px;
            right: 15px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: white;
            z-index: 2;
        }
        
        .case-category.nature {
            background: var(--nature);
        }
        
        .case-category.humanities {
            background: var(--humanities);
        }
        
        .case-category.arts {
            background: var(--arts);
        }
        
        .case-category.summary {
            background: var(--summary);
        }
        
        .case-content {
            padding: 1.5rem;
        }
        
        .case-content h3 {
            font-size: 1.4rem;
            margin-bottom: 0.8rem;
            color: var(--dark);
        }
        
        .case-info {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
            color: #666;
            font-size: 0.95rem;
        }
        
        .case-info i {
            margin-right: 8px;
            color: var(--primary);
        }
        
        .case-school {
            display: inline-block;
            background: #f0f7ff;
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }
        
        .case-description {
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px dashed #eee;
            color: #555;
            font-size: 0.95rem;
            line-height: 1.6;
        }
        
        .case-achievement {
            display: flex;
            align-items: center;
            margin-top: 1rem;
            padding: 0.8rem;
            background: #f9f9f9;
            border-radius: 8px;
            border-left: 3px solid var(--primary);
        }
        
        .case-achievement i {
            font-size: 1.5rem;
            color: var(--primary);
            margin-right: 10px;
        }
        
        .case-achievement span {
            font-weight: 600;
            color: var(--dark);
        }
        
        /* 二维码区域 - 优化后的样式 */
        .contact-section {
            background: white;
            border-radius: var(--border-radius);
            padding: 3rem;
            margin-bottom: 2.5rem;
            box-shadow: var(--shadow);
            text-align: center;
        }
        
        .contact-section h2 {
            font-size: 2rem;
            margin-bottom: 2rem;
            color: var(--secondary);
        }
        
        .qrcode-container {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 3rem;
        }
        
        .qrcode-item {
            flex: 1;
            min-width: 220px;
            max-width: 300px;
            transition: transform 0.3s ease;
        }
        
        .qrcode-item:hover {
            transform: translateY(-5px);
        }
        
        .qrcode-box {
            background: var(--blue-light);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin-bottom: 1rem;
            border: 1px solid var(--blue-medium);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .qrcode-box:hover {
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            border-color: var(--blue-dark);
        }
        
        .qrcode-placeholder {
            width: 180px;
            height: 180px;
            background: white;
            margin: 0 auto;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid #ddd;
            overflow: hidden;
            position: relative;
        }
        
        .qrcode-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        
        .qrcode-placeholder:hover img {
            transform: scale(1.05);
        }
        
        .qrcode-placeholder .placeholder-text {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(0,0,0,0.6);
            color: white;
            padding: 5px;
            font-size: 12px;
            text-align: center;
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }
        
        .qrcode-placeholder:hover .placeholder-text {
            transform: translateY(0);
        }
        
        .qrcode-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 1rem;
            color: var(--blue-dark);
        }
        
        .contact-btn {
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 30px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1.1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            box-shadow: 0 5px 15px rgba(66, 99, 235, 0.4);
            margin-top: 1rem;
        }
        
        .contact-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(66, 99, 235, 0.5);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
        }
        
        /* 页脚 */
        footer {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 2.5rem 0 1.5rem;
        }

        .copyright {
            padding-bottom: 15px;
            border-top: 0px solid #444;
            font-size: 0.85rem;
            color: white;
            text-align: center;
        }
        
        /* 响应式调整 */
        @media (max-width: 992px) {
            .about-hero {
                padding: 4rem 0;
            }
            
            .about-hero h1 {
                font-size: 2.5rem;
            }
            
            .about-hero p {
                font-size: 1.1rem;
            }
            
            .about-section {
                padding: 2rem;
            }
            
            .about-section h2 {
                font-size: 1.8rem;
            }
            
            .contact-section {
                padding: 2rem;
            }
            
            .success-cases {
                padding: 2rem;
            }
            
            .cases-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        
        @media (max-width: 768px) {
            .about-hero h1 {
                font-size: 2.2rem;
            }
            
            .about-values {
                grid-template-columns: 1fr;
            }
            
            .qrcode-container {
                flex-direction: column;
                align-items: center;
            }
            
            .qrcode-item {
                min-width: 100%;
            }
            
            .cases-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            .about-hero {
                padding: 3rem 0;
            }
            
            .about-hero h1 {
                font-size: 1.8rem;
            }
            
            .about-section {
                padding: 1.5rem;
            }
            
            .contact-section {
                padding: 1.5rem;
            }
            
            .success-cases {
                padding: 1.5rem;
            }
            
            .contact-section h2 {
                font-size: 1.7rem;
            }
            
            .case-image {
                height: 180px;
            }
        }