/*欧美风格样式*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 顶部导航栏 */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: white;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.nav-link:hover {
    background: rgba(255,255,255,0.2);
}

.nav-link.active {
    color: white;
    border-bottom: 2px solid white;
}

.lang-switch {
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-switch:hover {
    background: rgba(255,255,255,0.3);
}

/* 页脚 */
.footer {
    background: #333;
    color: white;
    padding: 2rem 0;
    margin-top: 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: #667eea;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #667eea;
}

.footer-bottom {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #555;
    text-align: center;
    color: #888;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #fff;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
}

.btn-outline {
    background: transparent;
    color: #333;
    border: 2px solid #ddd;
}

.btn-outline:hover {
    border-color: #667eea;
    color: #667eea;
}

.btn-sm {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: 20px;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.btn-sm.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.btn-sm.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-sm.btn-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-sm.btn-outline:hover {
    background: #667eea;
    color: white;
}

/* 卡片样式 */
.card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: none;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.card a {
    text-decoration: none;
    /*color: inherit;*/
}

.card-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #333;
}

.card-sm {
    padding: 1rem;
}

.card-sm i {
    font-size: 1.5rem;
}

.card-sm h5 {
    font-size: 0.9rem;
    margin: 0;
    font-weight: 600;
}

.grid {
    display: grid;
    gap: 1rem;
}

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

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

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

.grid-auto-fill {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)) !important;
    gap: 0.75rem;
}

/* 表单样式 */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 提示消息 */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-weight: 500;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* 广告滚筒 */
.marquee-container {
    background: #f8f9fa;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
    overflow: hidden;
}

.marquee {
    white-space: nowrap;
    animation: marquee 30s linear infinite;
}

@keyframes marquee {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* VIP等级卡片 */
.vip-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    border-left: 4px solid #667eea;
}

.vip-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.vip-card h3 {
    color: #667eea;
    margin-bottom: 0.5rem;
}

.vip-card .price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    margin: 0.5rem 0;
}

/* 视频播放器样式 */
.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 底部导航 */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-around;
    padding: 1rem 0;
    z-index: 1000;
    height: 70px;
}

/* 底部导航占位符 */
.bottom-nav-placeholder {
    height: 70px;
}

/* 页面内容底部间距 */
.page-content {
    padding-bottom: 80px; /* 为底部导航栏留出空间 */
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #666;
    transition: all 0.3s ease;
}

.bottom-nav-item.active {
    color: #667eea;
}

.bottom-nav-item i {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.bottom-nav-item span {
    font-size: 0.75rem;
    font-weight: 500;
}

/* 页面内容 */
.page-content {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
}

/* 统计卡片 */
.stat-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
    margin: 0.5rem 0;
}

.stat-label {
    color: #666;
    font-size: 0.875rem;
}

/* 网格布局 */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

@media (max-width: 480px) {
    .grid-auto-fill {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 0.5rem !important;
    }
}

/* 分隔线 */
.divider {
    height: 1px;
    background: #e9ecef;
    margin: 2rem 0;
}

/* 文本样式 */
.text-center {
    text-align: center;
}

.text-primary {
    color: #667eea;
}

.text-muted {
    color: #6c757d;
}

.font-weight-bold {
    font-weight: 700;
}

/* 间距工具 */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 {
    margin-bottom: 1.5rem;
}
.mb-5 { margin-bottom: 2rem; }

/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    transform: translateY(-50px);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.modal-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #333;
}

.modal-body {
    margin-bottom: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 响应式调整 */
@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .card {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
    }
}

.flex {
    display: flex;
}
.justify-between {
    justify-content: space-between;
}
.items-center {
    align-items: center;
}
.w-100 {
    width: 100%;
}
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 1.2rem;
    font-weight: 600;
}
.bg-primary {
    background: #667eea;
    color: white;
}
.bg-secondary {
    background: #6c757d;
    color: white;
}
.text-success {
    color: #28a745;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.25rem;
}

.mobile-drawer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3000;
}

.mobile-drawer.show {
    display: block;
}

.drawer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-drawer.show .drawer-overlay {
    opacity: 1;
}

.drawer-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    max-width: 80%;
    height: 100%;
    background: white;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.mobile-drawer.show .drawer-content {
    transform: translateX(0);
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #eee;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.drawer-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.drawer-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
}

.drawer-body {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.drawer-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.drawer-item:hover {
    background: #f8f9fa;
    border-left-color: #667eea;
    color: #667eea;
}

.drawer-item i {
    width: 24px;
    margin-right: 1rem;
    font-size: 1.1rem;
}

.drawer-divider {
    height: 1px;
    background: #eee;
    margin: 1rem 0;
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    .desktop-lang {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }
}

.carousel-container {
    position: relative;
    width: 100%;
    max-height: 400px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.carousel {
    position: relative;
    width: 100%;
    height: 300px;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    padding: 2rem;
}

.carousel-caption h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.carousel-caption p {
    margin: 0;
    font-size: 1rem;
    opacity: 0.9;
}

.carousel-indicators {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.carousel-indicators .indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicators .indicator.active {
    background: white;
    transform: scale(1.2);
}

@media (max-width: 768px) {
    .carousel {
        height: 200px;
    }
    .carousel-caption {
        padding: 1rem;
    }
    .carousel-caption h3 {
        font-size: 1.2rem;
    }
    .carousel-caption p {
        font-size: 0.875rem;
    }
}

.promotion-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 4rem 0;
    margin-top: 3rem;
    color: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.section-title i {
    background: rgba(255,255,255,0.2);
    padding: 1rem;
    border-radius: 50%;
    font-size: 1.5rem;
}

.promotion-content {
    max-width: 900px;
    margin: 0 auto;
}

.promotion-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    color: #333;
}

.promotion-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.25);
}

.promotion-header {
    text-align: center;
    margin-bottom: 3rem;
}

.promotion-header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.promotion-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.5);
}

.promotion-header h3 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: #333;
}

.promotion-header p {
    color: #666;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.reward-tier {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.reward-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    border-top: 4px solid #667eea;
}

.reward-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.reward-level-1 {
    border-top-color: #4CAF50;
}

.reward-level-2 {
    border-top-color: #2196F3;
}

.reward-level-3 {
    border-top-color: #FF9800;
}

.reward-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.reward-level-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.reward-level-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.7rem;
}

.reward-level-1 .reward-level-icon {
    background: #4CAF50;
}

.reward-level-2 .reward-level-icon {
    background: #2196F3;
}

.reward-level-3 .reward-level-icon {
    background: #FF9800;
}

.reward-level {
    font-weight: 600;
    color: #333;
}

.reward-percentage {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
}

.reward-level-1 .reward-percentage {
    color: #4CAF50;
}

.reward-level-2 .reward-percentage {
    color: #2196F3;
}

.reward-level-3 .reward-percentage {
    color: #FF9800;
}

.reward-card-body p {
    margin: 0;
    color: #666;
    font-size: 0.9rem;
}

.promotion-steps {
    margin-bottom: 3rem;
}

.steps-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.steps-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
}

.promotion-steps h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    color: #333;
}

.steps-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.step-item {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 12px;
    width: 100%;
    max-width: 600px;
    transition: all 0.3s ease;
}

.step-item:hover {
    background: #e3f2fd;
    transform: translateX(10px);
}

.step-content-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.step-icon {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    font-size: 0.7rem;
}

.step-content h5 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
}

.step-content p {
    margin: 0;
    color: #666;
    font-size: 0.9rem;
    text-align: left;
}

.step-arrow {
    color: #667eea;
    font-size: 1.5rem;
}

.promotion-highlight {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.highlight-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
}

.highlight-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.highlight-title-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.7rem;
}

.highlight-content h4 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

.highlight-content p {
    margin: 0;
    color: #666;
    line-height: 1.4;
}

.promotion-card .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.promotion-card .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.5);
}

@media (max-width: 768px) {
    .promotion-section {
        padding: 3rem 0;
        margin-top: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .promotion-card {
        padding: 2rem;
    }
    
    .promotion-header h3 {
        font-size: 1.5rem;
    }
    
    .reward-tier {
        grid-template-columns: 1fr;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .step-content h5 {
        margin-top: 0.5rem;
    }
    
    .promotion-highlight {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}