/* Product Order Page Styles */

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.2;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.text-gradient {
    background: linear-gradient(135deg, #fef3c7, #fde68a, #fcd34d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.0625rem;
    opacity: 0.9;
    line-height: 1.5;
    letter-spacing: 0.3px;
}

/* Mobile-First Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    /* 移动端优化 section 间距 */
    .strategies-section,
    .pricing-section {
        padding: 2rem 0;
    }
    
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    /* 市场标签移动端优化 */
    .market-tabs-container {
        margin: 0 auto 2rem;
        padding: 0 0.5rem;
    }
    
    .market-tabs {
        width: 100%;
        gap: 0.5rem;
        padding: 0.375rem;
    }
    
    .market-tab {
        flex: 1;
        padding: 0.75rem 0.5rem;
        font-size: 0.875rem;
        min-height: 44px; /* 最小触摸区域 */
        justify-content: center;
    }
    
    .market-tab i {
        display: none; /* 移动端隐藏图标节省空间 */
    }
    
    /* 策略卡片移动端单列布局 */
    .strategies-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        padding: 0 0.5rem;
    }
    
    .strategy-card {
        padding: 1.5rem;
        border-radius: 1.25rem;
    }
    
    .strategy-card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .strategy-title {
        font-size: 1.375rem;
    }
    
    .strategy-slogan {
        font-size: 0.9rem;
        padding: 0.625rem;
    }
    
    .strategy-icon-wrapper {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }
    
    .strategy-badge {
        padding: 0.3rem 0.75rem;
        font-size: 0.7rem;
    }
    
    .philosophy-text,
    .suitable-text {
        font-size: 0.875rem;
    }
    
    .strategy-feature-item {
        font-size: 0.875rem;
        padding: 0.625rem 0;
    }
    
    .select-strategy-btn {
        padding: 1rem;
        font-size: 1rem;
        min-height: 48px; /* 增大触摸区域 */
        border-radius: 0.875rem;
    }
    
    .select-strategy-btn:active {
        transform: scale(0.97);
    }
    
    /* 查看更多按钮移动端优化 */
    .toggle-details-btn {
        padding: 0.75rem;
        font-size: 0.875rem;
        min-height: 44px;
    }
    
    .toggle-details-btn:active {
        transform: scale(0.97);
    }
    
    /* 价格方案移动端单列布局 */
    .pricing-plans-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 0.5rem;
    }
    
    .pricing-plan-card {
        padding: 1.25rem;
    }
    
    .pricing-plan-card:active {
        transform: scale(0.98);
    }
    
    .pricing-plan-card-header {
        margin-bottom: 0.875rem;
    }
    
    .pricing-plan-card .pricing-plan-name {
        font-size: 1.125rem;
    }
    
    .pricing-plan-card .pricing-plan-price {
        margin-bottom: 0.625rem;
    }
    
    .pricing-plan-card .pricing-plan-price-amount {
        font-size: 1.75rem;
    }
    
    .pricing-plan-card .pricing-plan-desc {
        font-size: 0.8rem;
        margin-bottom: 1rem;
    }
    
    .select-plan-btn {
        padding: 1rem;
        min-height: 48px;
        font-size: 1rem;
    }
    
    .select-plan-btn:active {
        transform: scale(0.97);
    }
    
    /* 返回按钮移动端优化 */
    .back-btn {
        padding: 0.75rem 1rem;
        min-height: 44px;
        font-size: 0.9rem;
    }
    
    .back-btn:active {
        transform: scale(0.95);
    }
    
    /* 购买须知移动端优化 */
    .purchase-notice {
        padding: 1.25rem;
        margin: 2rem 0.5rem 0;
        border-radius: 1.25rem;
    }
    
    .purchase-notice-title {
        font-size: 1.25rem;
    }
    
    .notice-item {
        gap: 0.875rem;
    }
    
    .notice-item-text {
        font-size: 0.875rem;
    }
    
    .notice-item-text strong {
        font-size: 0.95rem;
    }
    
    .code-example {
        font-size: 0.8rem;
        padding: 0.2rem 0.4rem;
    }
}

/* Pain Points Section */
.pain-points-section {
    background: white;
    padding: 3rem 0;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 1.5rem;
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.pain-point-card {
    background: linear-gradient(135deg, #f9fafb, #f3f4f6);
    border: 2px solid #e5e7eb;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.pain-point-card:active {
    transform: scale(0.97);
}

.pain-point-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.pain-point-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.75rem;
}

.pain-point-text {
    color: #6b7280;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Strategies Section */
.strategies-section {
    background: linear-gradient(to bottom, #f9fafb, #ffffff);
    padding: 3rem 0;
}

/* Market Tabs */
.market-tabs-container {
    max-width: 1200px;
    margin: 0 auto 2rem;
    display: flex;
    justify-content: center;
}

.market-tabs {
    display: flex;
    gap: 1rem;
    background: white;
    padding: 0.5rem;
    border-radius: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 2px solid #e5e7eb;
}

.market-tab {
    padding: 0.875rem 2rem;
    border: none;
    background: transparent;
    color: #6b7280;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    white-space: nowrap;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
}

.market-tab:active {
    transform: scale(0.95);
}

.market-tab.active {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.market-tab:not(.active) {
    opacity: 0.7;
}

/* Coming Soon Message */
.coming-soon-message {
    max-width: 600px;
    margin: 3rem auto;
    text-align: center;
    padding: 2rem 1rem;
}

.coming-soon-content {
    background: white;
    border: 2px dashed #cbd5e1;
    border-radius: 1.5rem;
    padding: 2.5rem 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.coming-soon-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 1rem;
}

.coming-soon-text {
    color: #6b7280;
    line-height: 1.8;
    font-size: 1rem;
}

.coming-soon-text span {
    color: #3b82f6;
    font-weight: 600;
}

.strategies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.strategy-card {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 1.25rem;
    padding: 1.5rem;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.strategy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.strategy-card:active {
    transform: scale(0.98);
}

.strategy-card.featured {
    border-color: #f59e0b;
    border-width: 3px;
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.2);
}

.strategy-card.featured::before {
    background: linear-gradient(90deg, #f59e0b, #d97706);
    transform: scaleX(1);
}

.strategy-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.strategy-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 0;
}

.strategy-icon-wrapper.short {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #d97706;
}

.strategy-icon-wrapper.medium {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #2563eb;
}

.strategy-icon-wrapper.long {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    color: #059669;
}

.strategy-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0;
}

.strategy-badge.short {
    background: #dbeafe;
    color: #1e40af;
}

.strategy-badge.medium {
    background: #fef3c7;
    color: #92400e;
}

.strategy-badge.long {
    background: #d1fae5;
    color: #065f46;
}

.strategy-badge.featured {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.strategy-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 0.5rem;
}

.strategy-slogan {
    color: #3b82f6;
    font-size: 1rem;
    font-weight: 600;
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    padding: 0.75rem;
    background: #eff6ff;
    border-left: 3px solid #3b82f6;
    border-radius: 0.5rem;
}

.strategy-philosophy,
.strategy-advantages,
.strategy-suitable {
    margin-bottom: 1.5rem;
}

.philosophy-label,
.advantages-label,
.suitable-label {
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.75rem;
}

.philosophy-label i,
.advantages-label i,
.suitable-label i {
    color: #3b82f6;
}

.philosophy-text,
.suitable-text {
    color: #6b7280;
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 0;
}

.strategy-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
}

.strategy-feature-item {
    display: flex;
    align-items: flex-start;
    padding: 0.75rem 0;
    color: #374151;
    font-size: 0.95rem;
}

.strategy-feature-item i {
    color: #10b981;
    margin-right: 0.75rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

/* Strategy Collapsible Content */
.strategy-collapsible {
    overflow: hidden;
    transition: all 0.3s ease;
}

/* Toggle Details Button */
.toggle-details-btn {
    width: 100%;
    padding: 0.75rem;
    background: transparent;
    color: #3b82f6;
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
}

.toggle-details-btn:hover {
    background: #eff6ff;
    border-color: #3b82f6;
}

.toggle-details-btn:active {
    transform: scale(0.98);
}

.toggle-details-btn.expanded {
    background: #eff6ff;
    border-color: #3b82f6;
}

.toggle-icon {
    transition: transform 0.3s ease;
    font-size: 0.75rem;
}

.toggle-details-btn.expanded .toggle-icon {
    transform: rotate(180deg);
}

.select-strategy-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
    -webkit-tap-highlight-color: transparent;
}

.select-strategy-btn:active {
    transform: scale(0.97);
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

/* Pricing Section */
.pricing-section {
    background: linear-gradient(to bottom, #ffffff, #f9fafb);
    padding: 3rem 0;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.625rem 1.25rem;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
}

.back-btn:active {
    transform: scale(0.95);
    border-color: #3b82f6;
    color: #3b82f6;
    background: #eff6ff;
}

.pricing-plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-plan-card {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 1.25rem;
    padding: 1.5rem;
    transition: all 0.2s ease;
    text-align: center;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.pricing-plan-card:active {
    transform: scale(0.98);
}

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

.pricing-plan-card .pricing-plan-name {
    font-size: 1.25rem;
    font-weight: 800;
    color: #111827;
}

.pricing-plan-card .pricing-plan-price {
    margin-bottom: 0.75rem;
}

.pricing-plan-card .pricing-plan-price-amount {
    font-size: 2rem;
}

.pricing-plan-card .pricing-plan-desc {
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}

.select-plan-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
    -webkit-tap-highlight-color: transparent;
}

.select-plan-btn:active {
    transform: scale(0.97);
    background: linear-gradient(135deg, #059669, #047857);
}

/* Purchase Notice */
.purchase-notice {
    max-width: 1000px;
    margin: 3rem auto 0;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.purchase-notice-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e5e7eb;
}

.purchase-notice-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin: 0;
}

.purchase-notice-header i {
    color: #3b82f6;
    font-size: 1.5rem;
}

.purchase-notice-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.notice-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.notice-item-number {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.notice-item-text {
    flex: 1;
    color: #374151;
    line-height: 1.8;
}

.notice-item-text strong {
    display: block;
    color: #111827;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.notice-item-text p {
    margin: 0;
    font-size: 0.95rem;
    color: #6b7280;
}

.highlight {
    color: #3b82f6;
    font-weight: 600;
}

.highlight-gift {
    color: #10b981;
    background: #d1fae5;
    padding: 0.125rem 0.5rem;
    border-radius: 0.375rem;
    font-weight: 700;
}

.code-example {
    background: #f3f4f6;
    color: #ef4444;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid #e5e7eb;
}

/* Order Notice in Modal */
.order-notice {
    background: #fef3c7;
    border: 2px solid #f59e0b;
    border-radius: 0.75rem;
    padding: 1.25rem;
}

.order-notice-header {
    display: flex;
    align-items: center;
    color: #92400e;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}

.order-notice-header i {
    color: #f59e0b;
}

.order-notice-list {
    list-style: none;
    padding: 0;
    margin: 0;
    color: #78350f;
    font-size: 0.875rem;
    line-height: 1.8;
}

.order-notice-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.order-notice-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #f59e0b;
    font-weight: 700;
    font-size: 1.25rem;
}

.order-notice-list code {
    background: #fef3c7;
    color: #dc2626;
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid #fbbf24;
}

.order-notice-list strong {
    color: #78350f;
    font-weight: 700;
}

/* Pricing Plans */
.pricing-plans {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.pricing-plan {
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    padding: 1.25rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.pricing-plan:hover {
    border-color: #3b82f6;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.pricing-plan.selected {
    border-color: #3b82f6;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.pricing-plan.selected::after {
    content: '✓';
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 24px;
    height: 24px;
    background: #3b82f6;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.pricing-plan-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.pricing-plan-name {
    font-weight: 700;
    font-size: 1rem;
    color: #111827;
}

.pricing-plan-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-plan-badge.trial {
    background: #fef3c7;
    color: #92400e;
}

.pricing-plan-badge.standard {
    background: #dbeafe;
    color: #1e40af;
}

.pricing-plan-badge.professional {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.pricing-plan-price {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    margin-bottom: 0.25rem;
}

.pricing-plan-price-amount {
    font-size: 1.5rem;
    font-weight: 800;
    color: #111827;
}

.pricing-plan-price-unit {
    font-size: 0.875rem;
    color: #6b7280;
}

.pricing-plan-desc {
    font-size: 0.875rem;
    color: #6b7280;
}

.order-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.order-btn:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.3);
}

.order-btn:disabled {
    background: #cbd5e1;
    color: #64748b;
    cursor: not-allowed;
    transform: none;
}

/* Features Section */
.features-section {
    background: white;
    padding: 3rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 1rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.75rem;
}

.feature-text {
    color: #6b7280;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Order Modal */
#order-modal {
    backdrop-filter: blur(4px);
}

.modal-header {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.modal-close-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid #e5e7eb;
    background: #f9fafb;
}

.confirm-order-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.confirm-order-btn:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(16, 185, 129, 0.3);
}

.order-summary {
    background: #f9fafb;
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.order-summary-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.order-summary-item:last-child {
    border-bottom: none;
    font-weight: 700;
    font-size: 1.125rem;
    color: #111827;
}

.order-summary-label {
    color: #6b7280;
}

.order-summary-value {
    color: #111827;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-features {
        gap: 1rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .pain-points-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .feature-card:active {
        transform: scale(0.98);
    }
    
    .feature-icon {
        width: 64px;
        height: 64px;
        font-size: 1.75rem;
        margin-bottom: 1rem;
    }
    
    .feature-title {
        font-size: 1.125rem;
    }
    
    .feature-text {
        font-size: 0.875rem;
    }
    
    /* 模态框移动端优化 */
    #order-modal {
        padding: 0;
        align-items: flex-end;
    }
    
    #order-modal > div {
        max-width: 100%;
        width: 100%;
        max-height: 95vh;
        border-radius: 1.25rem 1.25rem 0 0;
        margin: 0;
    }
    
    .modal-header {
        padding: 1.25rem 1rem;
        position: sticky;
        top: 0;
        z-index: 10;
    }
    
    .modal-title {
        font-size: 1.25rem;
    }
    
    .modal-close-btn {
        width: 40px;
        height: 40px;
        min-height: 40px;
        -webkit-tap-highlight-color: transparent;
    }
    
    .modal-close-btn:active {
        transform: scale(0.9);
    }
    
    #order-modal .flex-1 {
        padding: 1.25rem;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .modal-footer {
        padding: 1rem;
        position: sticky;
        bottom: 0;
        background: white;
        box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
    }
    
    .confirm-order-btn {
        padding: 1.125rem;
        font-size: 1rem;
        min-height: 52px;
        border-radius: 0.875rem;
        -webkit-tap-highlight-color: transparent;
    }
    
    .confirm-order-btn:active {
        transform: scale(0.97);
    }
    
    .order-summary {
        padding: 1.25rem;
        margin-bottom: 1.25rem;
    }
    
    .order-summary h3 {
        font-size: 1.125rem;
    }
    
    .order-summary-item {
        padding: 0.625rem 0;
        font-size: 0.9rem;
    }
    
    .order-summary-item:last-child {
        font-size: 1rem;
    }
    
    .order-notice {
        padding: 1rem;
        margin-top: 1rem;
    }
    
    .order-notice-header {
        font-size: 0.875rem;
    }
    
    .order-notice-list {
        font-size: 0.8rem;
    }
    
    .order-notice-list li {
        padding: 0.375rem 0;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Strategy Image Styles */
.strategy-image-container {
    margin: 0 0 1.5rem 0;
    position: relative;
    overflow: hidden;
    border-radius: 0.75rem;
}

.strategy-image {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.strategy-card:hover .strategy-image {
    transform: scale(1.05);
}

/* Ensure the featured badge stays on top of the image */
.strategy-badge.featured {
    z-index: 10;
}

/* Ensure the top border effect stays on top */
.strategy-card::before {
    z-index: 20;
}

/* ===== Coze Promo Card ===== */
.coze-promo-card {
    background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
    border: 2px solid #bfdbfe;
    border-radius: 1.5rem;
    padding: 1.5rem 2rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.08);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
}

.coze-promo-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.12);
}

.coze-promo-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: #1e293b;
    margin: 0;
}

.coze-promo-desc {
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.6;
}

.coze-promo-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #3b82f6;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    transition: background 0.2s ease;
}

.coze-promo-btn:hover {
    background: #2563eb;
    color: white; /* Keep white on hover */
}

/* ===== WeChat Official Account Promotion Section ===== */
.wechat-promo-section {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 30%, #eff6ff 70%, #eef2ff 100%);
    padding: 1rem 0;
}

.wechat-promo-card {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 1.5rem;
    padding: 2.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 2px solid #e0e7ff;
    position: relative;
    overflow: hidden;
}

.wechat-promo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #07c160, #3b82f6, #8b5cf6);
}

.wechat-promo-content {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.wechat-promo-text {
    flex: 1;
}

.wechat-promo-badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #07c160, #06ae56);
    color: white;
    padding: 0.375rem 1rem;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.wechat-promo-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.wechat-promo-desc {
    color: #4b5563;
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.wechat-promo-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.625rem;
}

.wechat-feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #374151;
    font-weight: 500;
}

.wechat-feature-item i {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.wechat-promo-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.qr-wrapper {
    width: 180px;
    height: 180px;
    padding: 8px;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(7, 193, 96, 0.15);
    border: 2px solid #d1fae5;
    transition: all 0.3s ease;
}

.qr-wrapper:hover {
    box-shadow: 0 8px 30px rgba(7, 193, 96, 0.25);
    transform: scale(1.03);
}

.qr-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 0.5rem;
}

.qr-hint {
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: #07c160;
    font-weight: 600;
    display: flex;
    align-items: center;
}

/* WeChat Promo Mobile Responsive */
@media (max-width: 768px) {
    .wechat-promo-section {
        padding: 0.5rem 0;
    }

    .wechat-promo-card {
        padding: 1.5rem;
        border-radius: 1.25rem;
        margin: 0 0.5rem;
    }

    .wechat-promo-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .wechat-promo-badge {
        margin-left: auto;
        margin-right: auto;
    }

    .wechat-promo-title {
        font-size: 1.25rem;
    }

    .wechat-promo-desc {
        font-size: 0.875rem;
    }

    .wechat-promo-features {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .qr-wrapper {
        width: 150px;
        height: 150px;
    }
}