/* 一元夺宝游戏样式文件 */

/* 全局样式 */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 导航栏样式 */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

/* 英雄区域样式 */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
    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 xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-buttons {
    margin-top: 2rem;
}

.hero-buttons .btn {
    padding: 12px 30px;
    font-size: 1.1rem;
    border-radius: 50px;
    transition: var(--transition);
}

.hero-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.network-status {
    margin-top: 2rem;
}

.network-status .badge {
    font-size: 0.9rem;
    padding: 8px 16px;
}

/* 特色功能样式 */
.features-section {
    background: var(--light-color);
}

.feature-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
}

.feature-icon {
    color: var(--primary-color);
}

/* 商品卡片样式 */
.product-card {
    border: 1px solid #e9ecef;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
}

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

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-info {
    margin-top: 1rem;
}

.price-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.price {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--danger-color);
}

.original-price {
    font-size: 0.9rem;
    color: var(--secondary-color);
    text-decoration: line-through;
}

.progress-info {
    margin-bottom: 1rem;
}

.progress {
    height: 8px;
    border-radius: 4px;
}

.progress-bar {
    background: linear-gradient(90deg, var(--success-color), var(--primary-color));
}

/* 规则卡片样式 */
.rule-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    height: 100%;
}

.rule-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.rule-card ul li {
    margin-bottom: 0.5rem;
    padding: 0.5rem 0;
}

/* 关于我们样式 */
.about-features .d-flex {
    padding: 0.5rem 0;
}

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

/* 页脚样式 */
.footer {
    margin-top: 3rem;
}

.social-links a {
    transition: var(--transition);
}

.social-links a:hover {
    opacity: 0.8;
    transform: scale(1.1);
}

/* 按钮样式增强 */
.btn {
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), #0056b3);
    border: none;
}

.btn-success {
    background: linear-gradient(45deg, var(--success-color), #1e7e34);
    border: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section {
        min-height: 60vh;
        padding: 3rem 0;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .feature-card,
    .product-card,
    .rule-card {
        margin-bottom: 2rem;
    }
    
    .navbar-nav {
        margin-top: 1rem;
    }
    
    .navbar-nav .btn {
        margin: 0.5rem 0;
        width: 100%;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section .lead {
        font-size: 1rem;
    }
    
    .container {
        padding: 0 15px;
    }
}

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

.feature-card,
.product-card,
.rule-card {
    animation: fadeInUp 0.6s ease-out;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 工具提示样式 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: #555;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* 卡片悬停效果 */
.card {
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
}

/* 表单样式 */
.form-control {
    border-radius: var(--border-radius);
    border: 2px solid #e9ecef;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}

/* 模态框样式 */
.modal-content {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    background: var(--light-color);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    background: var(--light-color);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* 无商品状态样式 */
.no-products {
    padding: 3rem 1rem;
    color: var(--secondary-color);
}

.no-products i {
    margin-bottom: 1rem;
}

/* 网络状态指示器 */
.network-status .badge {
    position: relative;
}

.network-status .badge i {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}