/* ==================== 子页面样式 ==================== */

/* 页面Banner */
.page-banner {
    margin-top: 70px;
    padding: 80px 0;
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.page-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 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='0.05'%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");
    z-index: 2;
}

.page-banner .container {
    position: relative;
    z-index: 3;
}

.page-banner h1 {
    font-size: 36px;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-banner p {
    font-size: 18px;
    opacity: 0.9;
}

/* PC端 - 教务管理 */
.page-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.page-banner::before {
    background: radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255,255,255,0.15) 0%, transparent 40%);
}

/* 教师端 - 移动办公 */
.teacher-banner {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.teacher-banner::before {
    background: radial-gradient(circle at 70% 70%, rgba(255,255,255,0.15) 0%, transparent 50%),
                radial-gradient(circle at 30% 30%, rgba(255,255,255,0.1) 0%, transparent 40%);
}

/* 学员端 - 家校互联 */
.student-banner {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.student-banner::before {
    background: radial-gradient(circle at 80% 80%, rgba(255,255,255,0.15) 0%, transparent 50%),
                radial-gradient(circle at 20% 20%, rgba(255,255,255,0.1) 0%, transparent 40%);
}

/* 招生营销 */
.marketing-banner {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.marketing-banner::before {
    background: radial-gradient(circle at 60% 40%, rgba(255,255,255,0.2) 0%, transparent 50%),
                radial-gradient(circle at 40% 60%, rgba(255,255,255,0.1) 0%, transparent 40%);
}

/* 解决方案 */
.solution-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.solution-banner::before {
    background: radial-gradient(circle at 10% 90%, rgba(255,255,255,0.15) 0%, transparent 50%),
                radial-gradient(circle at 90% 10%, rgba(255,255,255,0.1) 0%, transparent 40%);
}

/* 成功案例 */
.cases-banner {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.cases-banner::before {
    background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.15) 0%, transparent 60%);
}

/* 新闻资讯 */
.news-banner {
    background: linear-gradient(135deg, #5ee7df 0%, #b490ca 100%);
}

.news-banner::before {
    background: radial-gradient(circle at 25% 75%, rgba(255,255,255,0.15) 0%, transparent 50%),
                radial-gradient(circle at 75% 25%, rgba(255,255,255,0.1) 0%, transparent 40%);
}

/* 关于我们 */
.about-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.about-banner::before {
    background: radial-gradient(circle at 40% 80%, rgba(255,255,255,0.12) 0%, transparent 50%),
                radial-gradient(circle at 60% 20%, rgba(255,255,255,0.15) 0%, transparent 45%);
}

/* 产品概述 */
.product-overview {
    padding: 80px 0;
}

.overview-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.overview-content.reverse {
    flex-direction: row-reverse;
}

.overview-text {
    flex: 1;
}

.overview-text h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--text-color);
}

.overview-text p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.overview-image {
    flex: 1;
    text-align: center;
}

.overview-image img {
    max-width: 100%;
    max-height: 500px;
}

.overview-stats {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

/* 功能亮点 */
.feature-highlights {
    margin-top: 25px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.highlight-item .check {
    color: #52c41a;
    font-weight: bold;
}

/* 教师端概述区域 - 现代化布局 */
.teacher-hero-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #fef7f7 0%, #fff5f8 50%, #f8f9ff 100%);
    position: relative;
    overflow: hidden;
}

.teacher-hero-section::before {
    content: '';
    position: absolute;
    top: 10%;
    right: 5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(240, 147, 251, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.teacher-hero-section::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: 5%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(79, 172, 254, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.teacher-hero-wrapper {
    display: flex;
    align-items: center;
    gap: 80px;
    position: relative;
    z-index: 1;
}

.teacher-hero-left {
    flex: 1;
    max-width: 550px;
}

.teacher-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
    padding: 8px 18px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 25px;
    box-shadow: 0 4px 15px rgba(240, 147, 251, 0.3);
}

.teacher-hero-badge .badge-icon {
    font-size: 16px;
}

.teacher-hero-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 20px;
    line-height: 1.2;
}

.teacher-hero-title span {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.teacher-hero-desc {
    font-size: 17px;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 35px;
}

.teacher-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.teacher-feature-box {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #fff;
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(240, 147, 251, 0.1);
}

.teacher-feature-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(240, 147, 251, 0.15);
    border-color: rgba(240, 147, 251, 0.3);
}

.feature-box-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #52c41a 0%, #73d13d 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    flex-shrink: 0;
}

.feature-box-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.feature-box-text strong {
    font-size: 15px;
    color: var(--text-color);
    font-weight: 600;
}

.feature-box-text span {
    font-size: 13px;
    color: var(--text-muted);
}

.teacher-hero-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 20px;
    line-height: 1.2;
}

.teacher-hero-desc {
    font-size: 17px;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 35px;
}

/* 右侧展示区 */
.teacher-hero-right {
    flex: 0 0 auto;
}

.phone-mockup-wrapper {
    position: relative;
    width: 340px;
    height: 600px;
}

.phone-mockup {
    position: relative;
    width: 280px;
    height: 500px;
    background: #1a1a1a;
    border-radius: 45px;
    padding: 12px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.25);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 35px;
    overflow: hidden;
}

.phone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 30px;
    background: #1a1a1a;
    border-radius: 0 0 20px 20px;
}

.phone-notch::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 8px;
    background: #333;
    border-radius: 10px;
}

/* 浮动元素 */
.floating-qrcode {
    position: absolute;
    bottom: 20px;
    right: -20px;
    background: #fff;
    padding: 15px;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    text-align: center;
    animation: floatBubble 4s ease-in-out infinite;
}

.floating-qrcode img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    display: block;
}

.floating-qrcode span {
    display: block;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-light);
    font-weight: 500;
}

@keyframes floatBubble {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    padding: 10px 16px;
    border-radius: 25px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-color);
    white-space: nowrap;
}

.floating-badge span:first-child {
    font-size: 18px;
}

.badge-1 {
    top: 80px;
    left: -30px;
    animation: floatBadge 5s ease-in-out infinite;
}

.badge-2 {
    bottom: 180px;
    left: -40px;
    animation: floatBadge 6s ease-in-out infinite 0.5s;
}

@keyframes floatBadge {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(8px); }
}

/* 核心功能 - 行式布局 */
.features-list {
    max-width: 1000px;
    margin: 0 auto;
}

.feature-row {
    display: flex;
    align-items: center;
    gap: 50px;
    padding: 50px 0;
    border-bottom: 1px solid #eee;
}

.feature-row:last-child {
    border-bottom: none;
}

.feature-row.reverse {
    flex-direction: row-reverse;
}

.feature-info {
    flex: 1;
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.feature-info h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.feature-info p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.feature-info ul {
    padding-left: 0;
}

.feature-info ul li {
    font-size: 14px;
    color: var(--text-color);
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.feature-info ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.feature-image {
    flex: 1;
    text-align: center;
}

.feature-image img {
    max-width: 100%;
    max-height: 350px;
}

/* 功能卡片网格 - 4列 */
.features-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.feature-card-mobile {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 30px 25px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-card-mobile .feature-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.feature-card-mobile h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.feature-card-mobile p {
    font-size: 13px;
    color: var(--text-light);
}

/* 功能对比表 */
.compare-table {
    max-width: 800px;
    margin: 0 auto;
    overflow-x: auto;
}

.compare-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.compare-table th,
.compare-table td {
    padding: 18px 25px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.compare-table th {
    background: var(--bg-light);
    font-weight: 600;
}

.compare-table th.highlight {
    background: var(--primary-gradient);
    color: var(--white);
}

.compare-table td.highlight {
    color: var(--primary-color);
    font-weight: 500;
}

.compare-table tr:last-child td {
    border-bottom: none;
}

/* CTA区域 */
.cta-section {
    padding: 80px 0;
    background: var(--primary-gradient);
    text-align: center;
    color: var(--white);
}

.cta-section h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.cta-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn-lg {
    padding: 15px 40px;
    font-size: 16px;
}

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

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary-color);
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
}

/* 解决方案页面 */
.solution-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.solution-tab-btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 14px;
    cursor: pointer;
    background: var(--white);
    color: var(--text-light);
    transition: var(--transition);
    border: 2px solid transparent;
}

.solution-tab-btn:hover {
    color: var(--primary-color);
}

.solution-tab-btn.active {
    background: var(--primary-gradient);
    color: var(--white);
}

.solution-content {
    display: none;
}

.solution-content.active {
    display: block;
}

.solution-header {
    text-align: center;
    margin-bottom: 40px;
}

.solution-header .solution-icon {
    font-size: 50px;
    margin-bottom: 15px;
}

.solution-header h3 {
    font-size: 28px;
    margin-bottom: 10px;
}

.solution-header p {
    color: var(--text-light);
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.feature-box {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.feature-box h4 {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #eee;
}

.feature-box ul {
    padding-left: 0;
}

.feature-box ul li {
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--text-light);
}

.feature-box.solution {
    background: var(--primary-gradient);
    color: var(--white);
}

.feature-box.solution h4 {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.feature-box.solution ul li {
    color: rgba(255, 255, 255, 0.9);
}

.solution-case {
    text-align: center;
}

.solution-case h4 {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.case-logos {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.case-logos span {
    padding: 10px 25px;
    background: var(--bg-light);
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-light);
}

/* 规模方案卡片 */
.scale-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.scale-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

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

.scale-card.featured {
    border: 2px solid var(--primary-color);
}

.scale-card .featured-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-gradient);
    color: var(--white);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 12px;
}

.scale-card .scale-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.scale-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.scale-card .scale-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.scale-card .scale-features {
    text-align: left;
    margin-bottom: 25px;
}

.scale-card .scale-features li {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.scale-card .scale-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.scale-price {
    margin-bottom: 20px;
}

.scale-price .price {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

.scale-price .unit {
    font-size: 14px;
    color: var(--text-muted);
}

/* 套餐价格卡片 */
.pricing-section {
    padding: 80px 0;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.2);
}

.pricing-card.featured {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: scale(1.08);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.35);
    z-index: 1;
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-10px);
    box-shadow: 0 30px 80px rgba(102, 126, 234, 0.4);
}

.pricing-card .featured-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #ff6b6b;
    color: var(--white);
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.pricing-header {
    padding: 35px 30px 25px;
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
}

.pricing-card.featured .pricing-header {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.pricing-header h3 {
    font-size: 26px;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 700;
}

.pricing-card.featured .pricing-header h3 {
    color: var(--white);
}

.pricing-duration {
    font-size: 15px;
    color: var(--text-muted);
    background: #f5f7fa;
    padding: 6px 18px;
    border-radius: 20px;
    display: inline-block;
}

.pricing-card.featured .pricing-duration {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.pricing-body {
    padding: 30px 35px;
}

.pricing-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px dashed #eee;
}

.pricing-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.pricing-card.featured .pricing-item {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.pricing-label {
    font-size: 16px;
    color: var(--text-light);
    font-weight: 500;
}

.pricing-card.featured .pricing-label {
    color: rgba(255, 255, 255, 0.9);
}

.pricing-value {
    font-size: 32px;
    font-weight: 800;
    color: #667eea;
    letter-spacing: -1px;
}

.pricing-card.featured .pricing-value {
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.pricing-card .btn {
    margin: 0 30px 30px;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
    box-sizing: border-box;
    width: calc(100% - 60px);
}

.pricing-card.featured .btn {
    background: var(--white);
    color: #667eea;
}

.pricing-card.featured .btn:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.pricing-note {
    text-align: center;
    margin-top: 50px;
    padding: 25px 30px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border-radius: 16px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid rgba(102, 126, 234, 0.15);
}

.pricing-note p {
    font-size: 16px;
    color: var(--text-color);
    font-weight: 600;
}

@media (max-width: 992px) {
    .pricing-cards {
        grid-template-columns: 1fr;
        max-width: 420px;
    }

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

    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }
}

/* 案例页面 */
.case-stats {
    padding: 60px 0;
    background: var(--bg-light);
}

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

.stat-item {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.stat-item .stat-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-item .stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

/* 案例筛选 */
.case-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 1px solid #ddd;
    border-radius: 25px;
    background: var(--white);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* 案例卡片 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.case-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary-gradient);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 12px;
}

.case-content {
    padding: 25px;
}

.case-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.case-desc {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.case-results {
    display: flex;
    gap: 30px;
    margin-bottom: 15px;
}

.result {
    text-align: center;
}

.result-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.result-label {
    font-size: 12px;
    color: var(--text-muted);
}

.case-link {
    font-size: 14px;
    color: var(--primary-color);
}

.case-link:hover {
    text-decoration: underline;
}

.load-more {
    text-align: center;
    margin-top: 40px;
}

/* 客户评价 */
.testimonials {
    padding: 80px 0;
}

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

.testimonial-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 18px;
}

.author-info h4 {
    font-size: 15px;
    margin-bottom: 3px;
}

.author-info p {
    font-size: 13px;
    color: var(--text-muted);
}

/* 新闻页面 */
.news-section {
    padding: 60px 0;
    background: linear-gradient(180deg, #f8f9fc 0%, #ffffff 100%);
}

.news-tabs {
    display: flex;
    gap: 15px;
    margin-bottom: 45px;
    flex-wrap: wrap;
    justify-content: center;
}

.news-tab {
    padding: 12px 28px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    background: var(--white);
    border: 2px solid transparent;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.news-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.15);
}

.news-tab.active {
    background: var(--primary-gradient);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.35);
}

.news-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 50px;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.news-item {
    display: flex;
    gap: 0;
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.1);
    border-color: rgba(102, 126, 234, 0.2);
}

.news-image {
    width: 260px;
    min-height: 190px;
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
}

.news-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.news-item:hover .news-image::after {
    opacity: 1;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.news-item:hover .news-image img {
    transform: scale(1.08);
}

.news-content {
    padding: 28px 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 14px;
}

.news-category {
    font-size: 12px;
    padding: 5px 14px;
    border-radius: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.news-category.company {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.12) 0%, rgba(118, 75, 162, 0.12) 100%);
    color: #667eea;
}

.news-category.industry {
    background: rgba(0, 200, 150, 0.12);
    color: #00b386;
}

.news-category.tips {
    background: rgba(255, 153, 0, 0.12);
    color: #e68a00;
}

.news-category.product {
    background: rgba(52, 152, 219, 0.12);
    color: #2980b9;
}

.news-date {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 5px;
}

.news-date i {
    font-style: normal;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 12px;
    line-height: 1.6;
    font-weight: 600;
}

.news-content h3 a {
    color: var(--text-color);
    display: block;
}

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

.news-content p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 18px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: #764ba2;
    gap: 10px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 50px;
    padding: 20px 0;
}

.page-btn {
    padding: 12px 24px;
    border: 2px solid transparent;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.page-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.15);
}

.page-num {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.page-num:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.page-num.active {
    background: var(--primary-gradient);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.35);
}

.page-ellipsis {
    padding: 10px 8px;
    color: var(--text-muted);
    font-size: 16px;
}

/* 侧边栏 */
.news-sidebar {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.sidebar-widget {
    background: var(--white);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
}

.sidebar-widget:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.sidebar-widget h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 22px;
    padding-bottom: 12px;
    border-bottom: 2px solid;
    border-image: var(--primary-gradient) 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 搜索组件 */
.search-widget .search-box {
    display: flex;
    gap: 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.search-box input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e8e8e8;
    border-right: none;
    border-radius: 10px 0 0 10px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-box button {
    padding: 12px 20px;
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    border-radius: 0 10px 10px 0;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.search-box button:hover {
    opacity: 0.9;
}

/* 热门文章 */
.hot-articles {
    list-style: none;
    padding: 0;
    margin: 0;
}

.hot-articles li {
    margin-bottom: 16px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 12px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.hot-articles li:hover {
    background: rgba(102, 126, 234, 0.05);
}

.hot-articles li:last-child {
    margin-bottom: 0;
}

.hot-articles .rank {
    width: 26px;
    height: 26px;
    background: linear-gradient(135deg, #e0e0e0 0%, #c0c0c0 100%);
    color: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.hot-articles .rank.top1 {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
}

.hot-articles .rank.top2 {
    background: linear-gradient(135deg, #C0C0C0 0%, #A0A0A0 100%);
    box-shadow: 0 2px 8px rgba(192, 192, 192, 0.4);
}

.hot-articles .rank.top3 {
    background: linear-gradient(135deg, #CD7F32 0%, #8B4513 100%);
    box-shadow: 0 2px 8px rgba(205, 127, 50, 0.4);
}

.hot-articles a {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hot-articles a:hover {
    color: var(--primary-color);
}

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    padding: 8px 16px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-light);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.tag:hover {
    background: var(--primary-gradient);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* 联系我们组件 */
.contact-widget {
    background: var(--primary-gradient);
    color: var(--white);
}

.contact-widget h4 {
    color: var(--white);
    border-bottom-color: rgba(255, 255, 255, 0.3);
}

.contact-widget p {
    color: rgba(255, 255, 255, 0.9);
}

.contact-widget .contact-info {
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
}

.contact-widget .contact-info p {
    font-size: 14px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-widget .contact-info p:last-child {
    margin-bottom: 0;
}

.contact-widget .btn {
    background: var(--white);
    color: var(--primary-color);
    font-weight: 600;
    border-radius: 10px;
    padding: 14px 20px;
    transition: all 0.3s ease;
}

.contact-widget .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* 关于我们页面 */
.about-intro {
    padding: 80px 0;
}

.intro-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.intro-text {
    flex: 1;
}

.intro-text h2 {
    font-size: 28px;
    margin-bottom: 25px;
}

.intro-text .lead {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-color);
}

.intro-text p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 15px;
}

.intro-stats {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

.intro-stat {
    text-align: center;
}

.stat-num {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-text {
    font-size: 14px;
    color: var(--text-muted);
}

.intro-image {
    flex: 1;
    text-align: center;
}

.intro-image img {
    max-width: 100%;
    border-radius: var(--border-radius);
}

/* 企业文化 */
.culture-section {
    padding: 80px 0;
}

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

.culture-item {
    text-align: center;
    padding: 35px 25px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.culture-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.culture-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.culture-item p {
    font-size: 14px;
    color: var(--text-light);
}

/* 发展历程 */
.history-section {
    padding: 80px 0;
}

.timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    left: 43px;
    top: 5px;
}

.timeline-content {
    margin-left: 100px;
    background: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.timeline-year {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.timeline-content h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-light);
}

/* 企业优势 */
.advantages-section {
    padding: 80px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.advantage-item {
    text-align: center;
    padding: 35px 25px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.advantage-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.advantage-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.advantage-item p {
    font-size: 14px;
    color: var(--text-light);
}

/* 服务保障 */
.service-section {
    padding: 80px 0;
}

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

.service-item {
    text-align: center;
    padding: 30px 25px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
}

.service-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.service-item h3 {
    font-size: 18px;
    margin-bottom: 20px;
}

.service-item ul {
    text-align: left;
}

.service-item li {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.service-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* 联系我们 */
.contact-section {
    padding: 80px 0;
}

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

.contact-card {
    text-align: center;
    padding: 30px 25px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.contact-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
}

.contact-card p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 5px;
}

.contact-time {
    font-size: 13px !important;
    color: var(--text-muted) !important;
}

.qrcode-img {
    width: 100px;
    height: 100px;
    margin-top: 10px;
}

/* 营销工具页面 */
.marketing-tools {
    padding: 80px 0;
}

.tool-item {
    display: flex;
    align-items: center;
    gap: 50px;
    padding: 50px 0;
    border-bottom: 1px solid #eee;
}

.tool-item:last-child {
    border-bottom: none;
}

.tool-item.reverse {
    flex-direction: row-reverse;
}

.tool-content {
    flex: 1;
}

.tool-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.tool-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.tool-content p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.tool-features {
    margin-bottom: 25px;
}

.tool-features li {
    font-size: 14px;
    color: var(--text-color);
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.tool-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.tool-image {
    flex: 1;
    text-align: center;
}

.tool-image img {
    max-width: 100%;
    max-height: 350px;
}

/* 营销效果 */
.marketing-results {
    padding: 80px 0;
    background: var(--primary-gradient);
    color: var(--white);
}

.marketing-results .section-title h2,
.marketing-results .section-title p {
    color: var(--white);
}

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

.results-grid .result-item {
    text-align: center;
    padding: 30px;
}

.results-grid .result-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
}

.results-grid .result-label {
    font-size: 14px;
    opacity: 0.9;
}

/* 营销场景 */
.marketing-scenarios {
    padding: 80px 0;
}

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

.scenario-card {
    text-align: center;
    padding: 35px 25px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.scenario-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-hover);
}

.scenario-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.scenario-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.scenario-card p {
    font-size: 14px;
    color: var(--text-light);
}

/* 使用场景 */
.usage-scenarios {
    padding: 80px 0;
}

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

.scenario-item {
    text-align: center;
    padding: 35px 25px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.scenario-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-hover);
}

.scenario-item .scenario-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.scenario-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.scenario-item p {
    font-size: 14px;
    color: var(--text-light);
}

/* 家长痛点 */
.pain-points {
    padding: 80px 0;
    background: var(--bg-light);
}

.points-grid {
    display: flex;
    flex-direction: column;
    gap: 25px;
    max-width: 900px;
    margin: 0 auto;
}

.point-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--white);
    padding: 25px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.point-before,
.point-after {
    flex: 1;
}

.point-before h4,
.point-after h4 {
    font-size: 14px;
    margin-bottom: 8px;
}

.point-before p,
.point-after p {
    font-size: 14px;
    color: var(--text-light);
}

.point-arrow {
    font-size: 24px;
    color: var(--primary-color);
}

.point-after h4 {
    color: var(--primary-color);
}

/* CTA二维码 */
.cta-qrcode {
    text-align: center;
}

.cta-qrcode img {
    width: 150px;
    height: 150px;
    margin-bottom: 15px;
}

.cta-qrcode p {
    font-size: 14px;
}

/* 背景色类 */
.bg-light {
    background: var(--bg-light);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .features-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .scale-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

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

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

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

    .news-layout {
        grid-template-columns: 1fr;
    }

    .news-sidebar {
        order: -1;
    }

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

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

    .solution-features {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .page-banner {
        padding: 60px 0;
    }

    .page-banner h1 {
        font-size: 28px;
    }

    .overview-content,
    .overview-content.reverse,
    .intro-content,
    .feature-row,
    .feature-row.reverse,
    .tool-item,
    .tool-item.reverse {
        flex-direction: column;
    }

    .teacher-hero-wrapper {
        flex-direction: column-reverse;
        gap: 50px;
    }

    .teacher-hero-left {
        max-width: 100%;
        text-align: center;
    }

    .teacher-hero-title {
        font-size: 32px;
    }

    .teacher-features-grid {
        grid-template-columns: 1fr;
    }

    .teacher-feature-box {
        justify-content: center;
    }

    .phone-mockup-wrapper {
        width: 100%;
        display: flex;
        justify-content: center;
        height: auto;
        margin-top: 30px;
    }

    .phone-mockup {
        width: 240px;
        height: 430px;
    }

    .floating-qrcode {
        right: auto;
        left: 50%;
        transform: translateX(-50%);
        bottom: -60px;
    }

    .floating-badge {
        display: none;
    }

    .phone-mockup-wrapper {
        width: 100%;
        height: auto;
    }

    .features-grid-4 {
        grid-template-columns: 1fr;
    }

    .stats-grid,
    .cases-grid,
    .testimonials-grid,
    .advantages-grid,
    .culture-grid,
    .service-grid,
    .contact-grid,
    .scenarios-list,
    .scenarios-grid,
    .results-grid {
        grid-template-columns: 1fr;
    }

    .news-item {
        flex-direction: column;
    }

    .news-image {
        width: 100%;
        height: 200px;
    }

    .news-content {
        padding: 20px;
    }

    .point-item {
        flex-direction: column;
        text-align: center;
    }

    .point-arrow {
        transform: rotate(90deg);
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-dot {
        left: 13px;
    }

    .timeline-content {
        margin-left: 50px;
    }

    .cta-btns {
        flex-direction: column;
        align-items: center;
    }
}