/* 翼鲸AI官网主样式文件 */

/* 全局重置与基础设定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #ff6a00;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
}

/* 导航栏样式  z-index: 1000;  */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: white;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo-icon {
    margin-right: 10px;
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
}

.nav-menu a:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: #e56000;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Banner样式 */
.banner {
    height: 500px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 400px;
    height: 300px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.banner-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.banner-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

.banner-text p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.banner-image {
    text-align: center;
}

.banner-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 卡片网格 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card-content {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 价格套餐 */
.pricing-section {
    background: var(--bg-primary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.pricing-card.popular {
    border-color: var(--accent-color);
    transform: scale(1.05);
}

.pricing-card.popular::before {
    content: '首先';
    position: absolute;
    top: 15px;
    right: -30px;
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 3rem;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pricing-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 1.5rem 0;
}

.pricing-price span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: bold;
    margin-right: 10px;
    font-size: 1.2rem;
}

/* 表单样式 */
.form-container {
    max-width: 500px;
    margin: 0 auto;
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-error {
    color: var(--danger-color);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    display: none;
}

.form-error.show {
    display: block;
}

/* 页脚样式 */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 3rem 0 2rem;
}

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

.footer-column h3 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-color);
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* 会员中心样式 */
.dashboard-layout {
    display: flex;
    min-height: calc(100vh - 120px);
}

.sidebar {
    width: 250px;
    background: var(--bg-dark);
    color: white;
    padding: 2rem 0;
}

.sidebar-menu {
    list-style: none;
    padding: 0 1rem;
}

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 1rem;
    color: #cbd5e1;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: rgba(255,255,255,0.1);
    color: white;
}

.sidebar-menu i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.main-content {
    flex: 1;
    padding: 2rem;
    background: var(--bg-secondary);
}

.user-info-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 表格样式 */
.table-container {
    background: var(--bg-primary);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

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

.table tr:hover {
    background: var(--bg-secondary);
}

/* 提示消息 */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-md);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alert-success {
    background: #ecfdf5;
    border: 1px solid #10b981;
    color: #065f46;
}

.alert-danger {
    background: #fef2f2;
    border: 1px solid #ef4444;
    color: #7f1d1d;
}

.alert-warning {
    background: #fffbeb;
    border: 1px solid #f59e0b;
    color: #92400e;
}

.alert-info {
    background: #eff6ff;
    border: 1px solid #3b82f6;
    color: #1e3a8a;
}

/* 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); }
}

/* 价格计划卡片 */
.pricing-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.plan-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.plan-card.featured {
    border-color: #007bff;
    transform: scale(1.05);
}

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

.badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: #007bff;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.plan-card h4 {
    margin: 0 0 15px 0;
    color: #333;
    font-size: 1.3em;
}

.price {
    font-size: 2.5em;
    font-weight: bold;
    color: #007bff;
    margin: 15px 0;
}

.price span {
    font-size: 0.4em;
    color: #666;
    font-weight: normal;
}

.save {
    background: #28a745;
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.9em;
    margin: 10px 0;
    display: inline-block;
}

.plan-card ul {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.plan-card li {
    padding: 8px 0;
    color: #666;
    border-bottom: 1px solid #eee;
}

.plan-card li:last-child {
    border-bottom: none;
}

.plan-card li:before {
    content: '✓';
    color: #28a745;
    font-weight: bold;
    margin-right: 10px;
}

/* 支付方式 */
.payment-methods {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-top: 30px;
}

.payment-methods h4 {
    margin-top: 0;
    color: #333;
    text-align: center;
}

.methods-list {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.method-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.method-item:hover {
    border-color: #007bff;
}

.method-item input[type="radio"] {
    display: none;
}

.method-item input[type="radio"]:checked + span {
    color: #ff0000;
    font-weight: bold;
}

.method-item:has(input[type="radio"]:checked) {
    border: 3px solid #ff0000;
    background: #fff5f5;
}

.method-item img {
    width: 24px;
    height: 24px;
}

/* 加载状态 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.3s ease;
}

.loading-content {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

/* 消息提示 */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 5px;
    color: white;
    font-weight: bold;
    z-index: 10001;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.toast.show {
    transform: translateX(0);
}

.toast-info {
    background: #17a2b8;
}

.toast-success {
    background: #28a745;
}

.toast-error {
    background: #dc3545;
}

.toast-warning {
    background: #ffc107;
    color: #333;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .banner-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .banner-text h1 {
        font-size: 2.5rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .dashboard-layout {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .pricing-plans {
        grid-template-columns: 1fr;
    }
    
    .plan-card.featured {
        transform: scale(1);
    }
    
    .plan-card.featured:hover {
        transform: translateY(-5px);
    }
    
    .methods-list {
        flex-direction: column;
        align-items: center;
    }
    
    .method-item {
        width: 200px;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .form-container {
        padding: 2rem 1.5rem;
        margin: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .banner-text h1 {
        font-size: 2rem;
    }
    
    .pricing-price {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}