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

        :root {
            --primary: #0a3d91;
            --primary-light: #1565c0;
            --primary-dark: #052b66;
            --accent: #d4af37;
            --accent-light: #f0d060;
            --warning: #e67e22;
            --success: #27ae60;
            --danger: #e74c3c;
            --text-dark: #1a1a2e;
            --text-gray: #555;
            --text-light: #fff;
            --bg-light: #f8f9fc;
            --bg-white: #ffffff;
            --shadow: 0 4px 20px rgba(10, 61, 145, 0.1);
            --shadow-hover: 0 8px 30px rgba(10, 61, 145, 0.15);
        }

        body {
            font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }

        /* 顶部信息栏 */
        .top-bar {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.85);
            font-size: 13px;
            padding: 8px 0;
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-bar-left {
            display: flex;
            gap: 20px;
        }

        .top-bar-left span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .top-bar a {
            color: rgba(255,255,255,0.85);
            text-decoration: none;
            margin-left: 20px;
            transition: color 0.3s;
        }

        .top-bar a:hover {
            color: var(--accent-light);
        }

        .hotline-top {
            font-weight: 600;
            color: var(--accent-light) !important;
            font-size: 14px;
        }

        /* 导航栏 */
        .navbar {
            background: var(--bg-white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all 0.3s;
        }

        .navbar.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
            text-decoration: none;
            color: var(--text-dark);
        }

        .logo img {
            height: 60px;
            width: 60px;
            border-radius: 50%;
            object-fit: cover;
        }

        .logo-text h1 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 1px;
        }

        .logo-text p {
            font-size: 11px;
            color: var(--text-gray);
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 5px;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--text-dark);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 16px;
            border-radius: 6px;
            transition: all 0.3s;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--primary);
            background: rgba(10, 61, 145, 0.06);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 30px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-cta {
            margin-left: 15px;
        }

        .nav-cta .btn {
            padding: 10px 22px;
            font-size: 14px;
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
        }

        .mobile-menu-btn span {
            width: 25px;
            height: 2px;
            background: var(--primary);
            transition: 0.3s;
        }

        /* Hero 区域 */
        .hero {
            position: relative;
            min-height: 620px;
            background: linear-gradient(135deg, #052b66 0%, #0a3d91 40%, #1565c0 100%);
            overflow: hidden;
            display: flex;
            align-items: center;
            padding: 60px 0;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
        }

        .hero-content {
            position: relative;
            z-index: 2;
            color: var(--text-light);
            max-width: 650px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(10px);
            padding: 10px 22px;
            border-radius: 30px;
            font-size: 14px;
            margin-bottom: 25px;
            border: 1px solid rgba(255,255,255,0.2);
        }

        .hero-badge .certified {
            background: var(--success);
            color: white;
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
        }

        .hero h2 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .hero h2 .highlight {
            color: var(--accent-light);
        }

        .hero .subtitle {
            font-size: 18px;
            color: rgba(255,255,255,0.85);
            margin-bottom: 25px;
            font-weight: 500;
        }

        .hero-desc {
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 30px;
            opacity: 0.85;
        }

        .hero-features {
            display: flex;
            gap: 25px;
            margin-bottom: 35px;
            flex-wrap: wrap;
        }

        .hero-feature {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
        }

        .hero-feature .check {
            width: 22px;
            height: 22px;
            background: var(--success);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
        }

        .hero-buttons {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
            color: var(--primary-dark);
            box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(212, 175, 55, 0.5);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-light);
            border: 2px solid rgba(255,255,255,0.4);
        }

        .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: var(--text-light);
            transform: translateY(-2px);
        }

        .btn-phone {
            background: var(--danger);
            color: white;
        }

        .btn-phone:hover {
            background: #c0392b;
            transform: translateY(-2px);
        }

        .hero-right {
            position: absolute;
            right: 5%;
            top: 50%;
            transform: translateY(-50%);
            width: 380px;
            z-index: 2;
        }

        .hero-card {
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(20px);
            border-radius: 20px;
            padding: 30px;
            border: 1px solid rgba(255,255,255,0.15);
            color: white;
        }

        .hero-card h3 {
            font-size: 18px;
            margin-bottom: 20px;
            text-align: center;
            color: var(--accent-light);
        }

        .problem-list {
            list-style: none;
        }

        .problem-list li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
        }

        .problem-list li:last-child {
            border-bottom: none;
        }

        .problem-list .icon {
            width: 30px;
            height: 30px;
            background: rgba(255,255,255,0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        /* 浮动咨询条 */
        .floating-consult {
            position: fixed;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .floating-btn {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            font-size: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            transition: all 0.3s;
            gap: 3px;
        }

        .floating-btn .f-icon {
            font-size: 22px;
        }

        .floating-btn:hover {
            transform: scale(1.1);
        }

        .floating-phone {
            background: var(--danger);
        }

        .floating-wechat {
            background: var(--success);
        }

        /* 资质认证条 */
        .cert-bar {
            background: var(--bg-white);
            padding: 25px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.04);
        }

        .cert-bar .container {
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .cert-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-gray);
        }

        .cert-item .cert-icon {
            font-size: 28px;
        }

        .cert-item strong {
            color: var(--text-dark);
            display: block;
            font-size: 15px;
        }

        /* 数据统计 */
        .stats-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            padding: 60px 0;
            color: white;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-item h3 {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 5px;
            color: var(--accent-light);
        }

        .stat-item h3 .unit {
            font-size: 20px;
            margin-left: 3px;
        }

        .stat-item p {
            font-size: 15px;
            opacity: 0.9;
        }

        /* 通用区块 */
        .section {
            padding: 90px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-subtitle {
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 3px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 15px;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--text-gray);
            font-size: 16px;
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* 问题检测区 */
        .problems {
            background: var(--bg-light);
        }

        .problem-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }

        .problem-card {
            background: var(--bg-white);
            border-radius: 16px;
            padding: 30px 25px;
            text-align: center;
            transition: all 0.3s;
            border-top: 4px solid var(--warning);
        }

        .problem-card:nth-child(2) {
            border-top-color: var(--danger);
        }

        .problem-card:nth-child(3) {
            border-top-color: var(--primary);
        }

        .problem-card:nth-child(4) {
            border-top-color: #9b59b6;
        }

        .problem-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .problem-icon {
            font-size: 50px;
            margin-bottom: 20px;
        }

        .problem-card h3 {
            font-size: 20px;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .problem-card p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
        }

        .problem-card .symptoms {
            margin-top: 15px;
            padding-top: 15px;
            border-top: 1px dashed #eee;
            font-size: 13px;
            color: var(--text-gray);
        }

        .problem-card .symptoms span {
            display: inline-block;
            background: #f5f5f5;
            padding: 3px 10px;
            border-radius: 12px;
            margin: 3px;
        }

        /* 关于我们 */
        .about {
            background: var(--bg-white);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-image {
            position: relative;
        }

        .about-image-main {
            width: 100%;
            height: 480px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .about-image-main::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            top: -50px;
            right: -50px;
        }

        .about-image-main::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
            bottom: -30px;
            left: -30px;
        }

        .about-image-main .school-icon {
            font-size: 120px;
            color: rgba(255,255,255,0.9);
            position: relative;
            z-index: 2;
        }

        .about-image-badge {
            position: absolute;
            bottom: -20px;
            right: -20px;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 20px 30px;
            border-radius: 15px;
            text-align: center;
            box-shadow: var(--shadow-hover);
        }

        .about-image-badge strong {
            font-size: 32px;
            display: block;
            font-weight: 800;
        }

        .about-image-badge span {
            font-size: 12px;
            font-weight: 600;
        }

        .about-content h3 {
            font-size: 28px;
            color: var(--text-dark);
            margin-bottom: 20px;
            line-height: 1.4;
        }

        .about-content > p {
            color: var(--text-gray);
            margin-bottom: 20px;
            line-height: 1.9;
            font-size: 15px;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 30px 0;
        }

        .about-feature {
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }

        .about-feature-icon {
            width: 45px;
            height: 45px;
            background: rgba(10, 61, 145, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .about-feature h4 {
            font-size: 15px;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .about-feature p {
            font-size: 13px;
            color: var(--text-gray);
            line-height: 1.5;
        }

        /* 课程体系 */
        .courses {
            background: var(--bg-light);
        }

        .courses-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .course-card {
            background: var(--bg-white);
            border-radius: 16px;
            padding: 30px 20px;
            text-align: center;
            transition: all 0.4s;
            position: relative;
            overflow: hidden;
        }

        .course-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transition: transform 0.4s;
        }

        .course-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }

        .course-card:hover::before {
            transform: scaleX(1);
        }

        .course-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, rgba(10,61,145,0.1) 0%, rgba(21,101,192,0.1) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            transition: all 0.3s;
        }

        .course-card:hover .course-icon {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: white;
            transform: scale(1.1);
        }

        .course-card h3 {
            font-size: 17px;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .course-card p {
            color: var(--text-gray);
            font-size: 13px;
            line-height: 1.7;
        }

        /* 办学优势 */
        .advantages {
            background: var(--bg-white);
        }

        .adv-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .adv-card {
            background: var(--bg-light);
            border-radius: 16px;
            padding: 35px 30px;
            transition: all 0.3s;
            position: relative;
        }

        .adv-card:hover {
            background: var(--primary);
            transform: translateY(-5px);
        }

        .adv-card:hover h3,
        .adv-card:hover p,
        .adv-card:hover .adv-number {
            color: white;
        }

        .adv-number {
            font-size: 50px;
            font-weight: 800;
            color: rgba(10,61,145,0.1);
            position: absolute;
            top: 20px;
            right: 25px;
            transition: color 0.3s;
        }

        .adv-card h3 {
            font-size: 20px;
            color: var(--text-dark);
            margin-bottom: 15px;
            transition: color 0.3s;
        }

        .adv-card p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.8;
            transition: color 0.3s;
        }

        /* 新闻动态 */
        .news {
            background: var(--bg-light);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            background: var(--bg-white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0,0,0,0.04);
            transition: all 0.4s;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .news-image {
            height: 200px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 60px;
            color: rgba(255,255,255,0.3);
        }

        .news-tag {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        .news-content {
            padding: 25px;
        }

        .news-meta {
            display: flex;
            gap: 15px;
            margin-bottom: 12px;
            font-size: 13px;
            color: var(--text-gray);
        }

        .news-content h3 {
            font-size: 17px;
            color: var(--text-dark);
            margin-bottom: 12px;
            line-height: 1.5;
            height: 50px;
        }

        .news-content h3 a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s;
        }

        .news-content h3 a:hover {
            color: var(--primary);
        }

        .news-content > p {
            color: var(--text-gray);
            font-size: 14px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 15px;
        }

        .news-source {
            font-size: 12px;
            color: #999;
            padding-top: 12px;
            border-top: 1px solid #f0f0f0;
        }

        /* 收费透明 */
        .pricing {
            background: var(--bg-white);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .pricing-card {
            background: var(--bg-white);
            border: 2px solid #eef0f5;
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            transition: all 0.3s;
            position: relative;
        }

        .pricing-card.featured {
            border-color: var(--primary);
            transform: scale(1.05);
            box-shadow: var(--shadow-hover);
        }

        .pricing-card.featured::before {
            content: '推荐选择';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: white;
            padding: 4px 18px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        .pricing-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .pricing-card.featured:hover {
            transform: scale(1.05) translateY(-5px);
        }

        .pricing-period {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .pricing-price {
            font-size: 42px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .pricing-price .yuan {
            font-size: 18px;
            font-weight: 400;
        }

        .pricing-desc {
            color: var(--text-gray);
            font-size: 14px;
            margin-bottom: 25px;
        }

        .pricing-features {
            list-style: none;
            text-align: left;
            margin-bottom: 30px;
        }

        .pricing-features li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-gray);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-features li::before {
            content: '✓';
            color: var(--success);
            font-weight: bold;
        }

        .pricing-card .btn {
            width: 100%;
            justify-content: center;
        }

        /* 家长问答 */
        .faq {
            background: var(--bg-light);
        }

        .faq-container {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: 12px;
            margin-bottom: 15px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
        }

        .faq-question {
            padding: 20px 25px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--text-dark);
            font-size: 15px;
            transition: background 0.3s;
        }

        .faq-question:hover {
            background: #fafbff;
        }

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform 0.3s;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: var(--primary-dark);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 25px 20px;
            color: var(--text-gray);
            font-size: 14px;
            line-height: 1.8;
        }

        /* 联系我们 */
        .contact {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: var(--text-light);
            position: relative;
            overflow: hidden;
        }

        .contact::before {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            background: rgba(255,255,255,0.03);
            border-radius: 50%;
            top: -200px;
            right: -100px;
        }

        .contact .section-title,
        .contact .section-desc {
            color: var(--text-light);
        }

        .contact .section-desc {
            opacity: 0.8;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 50px;
            position: relative;
            z-index: 2;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .contact-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }

        .contact-item-icon {
            width: 50px;
            height: 50px;
            background: rgba(255,255,255,0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }

        .contact-item h4 {
            font-size: 16px;
            margin-bottom: 5px;
        }

        .contact-item p {
            opacity: 0.85;
            font-size: 14px;
            line-height: 1.6;
        }

        .contact-item a {
            color: inherit;
            text-decoration: none;
        }

        .contact-hotline {
            background: rgba(255,255,255,0.08);
            border-radius: 15px;
            padding: 25px;
            text-align: center;
            margin-top: 10px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .contact-hotline .label {
            font-size: 14px;
            opacity: 0.8;
            margin-bottom: 8px;
        }

        .contact-hotline .number {
            font-size: 30px;
            font-weight: 700;
            color: var(--accent-light);
            letter-spacing: 1px;
        }

        .contact-hotline .time {
            font-size: 13px;
            opacity: 0.7;
            margin-top: 8px;
        }

        .contact-form {
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(10px);
            padding: 35px;
            border-radius: 20px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            font-weight: 500;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 10px;
            background: rgba(255,255,255,0.08);
            color: var(--text-light);
            font-size: 14px;
            font-family: inherit;
            transition: all 0.3s;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255,255,255,0.12);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-group select option {
            color: #333;
        }

        .contact-form .btn {
            width: 100%;
            justify-content: center;
        }

        /* 页脚 */
        .footer {
            background: #0a1a33;
            color: rgba(255,255,255,0.7);
            padding: 70px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .footer-logo img {
            height: 50px;
            width: 50px;
            border-radius: 50%;
        }

        .footer-logo h3 {
            color: var(--text-light);
            font-size: 18px;
        }

        .footer-about p {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .footer-hotline {
            background: rgba(255,255,255,0.05);
            padding: 15px 20px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .footer-hotline .icon {
            font-size: 28px;
        }

        .footer-hotline .text {
            font-size: 12px;
            opacity: 0.7;
        }

        .footer-hotline .number {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-light);
        }

        .footer-col h4 {
            color: var(--text-light);
            font-size: 16px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background: var(--accent);
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col li {
            margin-bottom: 12px;
        }

        .footer-col a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            font-size: 14px;
            transition: all 0.3s;
        }

        .footer-col a:hover {
            color: var(--accent-light);
            padding-left: 5px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 25px 0;
            text-align: center;
            font-size: 13px;
        }

        .footer-bottom p {
            margin-bottom: 5px;
        }

        .license-info {
            font-size: 12px;
            opacity: 0.6;
            margin-top: 10px;
        }

        .license-info a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
        }

        /* 返回顶部 */
        .back-to-top {
            position: fixed;
            bottom: 180px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 998;
            box-shadow: var(--shadow);
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
        }

        /* 营业执照模态框 */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.8);
            z-index: 2000;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .modal.active {
            display: flex;
        }

        .modal-content {
            max-width: 700px;
            width: 100%;
            background: white;
            border-radius: 16px;
            overflow: hidden;
            animation: modalIn 0.3s ease;
            max-height: 90vh;
            overflow-y: auto;
        }

        @keyframes modalIn {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        .modal-header {
            padding: 20px 25px;
            border-bottom: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            background: white;
            z-index: 2;
        }

        .modal-header h3 {
            color: var(--text-dark);
            font-size: 18px;
        }

        .modal-close {
            width: 35px;
            height: 35px;
            border-radius: 50%;
            background: #f5f5f5;
            border: none;
            cursor: pointer;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s;
        }

        .modal-close:hover {
            background: #eee;
        }

        .modal-body {
            padding: 25px;
        }

        .modal-body img {
            width: 100%;
            border-radius: 8px;
        }

        .license-details {
            margin-top: 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .license-item {
            font-size: 14px;
        }

        .license-item strong {
            color: var(--text-dark);
            display: block;
            margin-bottom: 3px;
        }

        .license-item span {
            color: var(--text-gray);
        }

        /* 响应式 */
        @media (max-width: 1100px) {
            .hero-right {
                display: none;
            }

            .courses-grid {
                grid-template-columns: repeat(4, 1fr);
            }

            .floating-consult {
                display: none;
            }

            .back-to-top {
                bottom: 30px;
                right: 20px;
            }
        }

        @media (max-width: 992px) {
            .hero h2 {
                font-size: 32px;
            }

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

            .problem-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .adv-grid,
            .news-grid,
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .pricing-card.featured {
                transform: none;
            }

            .pricing-card.featured:hover {
                transform: translateY(-5px);
            }

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

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            }

            .nav-menu.active {
                display: flex;
            }

            .nav-cta {
                display: none;
            }

            .mobile-menu-btn {
                display: flex;
            }

            .hero {
                min-height: auto;
                padding: 50px 0;
            }

            .hero h2 {
                font-size: 26px;
            }

            .hero .subtitle {
                font-size: 16px;
            }

            .hero-desc {
                font-size: 14px;
            }

            .section {
                padding: 50px 0;
            }

            .section-title {
                font-size: 26px;
            }

            .courses-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .problem-grid,
            .adv-grid,
            .news-grid,
            .pricing-grid {
                grid-template-columns: 1fr;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

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

            .stats-grid {
                gap: 20px;
            }

            .stat-item h3 {
                font-size: 32px;
            }

            .about-image-main {
                height: 300px;
            }

            .about-image-main .school-icon {
                font-size: 80px;
            }

            .about-image-badge {
                right: 10px;
                padding: 12px 18px;
            }

            .about-image-badge strong {
                font-size: 24px;
            }

            .cert-bar .container {
                gap: 15px;
            }

            .cert-item {
                font-size: 12px;
            }

            .cert-item .cert-icon {
                font-size: 22px;
            }

            .cert-item strong {
                font-size: 13px;
            }

            .contact-hotline .number {
                font-size: 24px;
            }

            .hero-features {
                gap: 15px;
            }

            .hero-buttons {
                flex-direction: column;
            }

            .hero-buttons .btn {
                justify-content: center;
            }
        }

        /* 滚动动画 */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s, transform 0.6s;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }