/* 全局样式重置和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 - 商务深蓝 */
    --primary-color: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;
    
    /* 辅助色 */
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* 中性色 */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    --gradient-secondary: linear-gradient(135deg, #64748b 0%, #94a3b8 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    
    /* 字体 */
    --font-primary: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    --font-mono: 'Monaco', 'Consolas', monospace;
    
    /* 间距 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 边框圆角 */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    
    /* 过渡动画 */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* 基础元素样式 */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: #ffffff;
    overflow-x: hidden;
}

/* 容器和布局 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo i {
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
}

.nav-auth {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-toggle {
    display: none;
    color: var(--gray-700);
    font-size: 1.5rem;
    cursor: pointer;
}

/* 按钮样式 */
.btn-primary,
.btn-primary-large,
.btn-primary-full {
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.btn-primary {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
}

.btn-primary-large {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 1rem;
}

.btn-primary-full {
    padding: var(--spacing-lg);
    font-size: 1rem;
    width: 100%;
}

.btn-primary:hover,
.btn-primary-large:hover,
.btn-primary-full:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-outline-large {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.btn-outline-large:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 主横幅样式 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.dashboard-preview {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 500px;
}

.chart-container {
    height: 300px;
    width: 100%;
}

/* 背景装饰元素 */
.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    overflow: hidden;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.bg-circle-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.bg-circle-2 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 15%;
    animation-delay: 2s;
}

.bg-circle-3 {
    width: 100px;
    height: 100px;
    top: 60%;
    right: 30%;
    animation-delay: 4s;
}

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

/* 功能特色样式 */
.features {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.feature-highlights {
    list-style: none;
}

.feature-highlights li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
}

.feature-highlights i {
    color: var(--success-color);
    font-size: 0.875rem;
}

/* 解决方案样式 */
.solutions {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.solutions-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.solution-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.solution-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.solution-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.solution-icon i {
    font-size: 2rem;
    color: white;
}

.solution-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.solution-content p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* 联系我们样式 */
.contact {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.contact-info p {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-form {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
}

.form-group select option {
    padding: 8px 12px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* 页脚样式 */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray-500);
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 2000;
    animation: fadeIn 0.3s ease-out;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
    animation: slideIn 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-xl) 0;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: var(--spacing-lg);
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.close {
    font-size: 2rem;
    font-weight: 300;
    color: var(--gray-400);
    cursor: pointer;
    transition: var(--transition-fast);
}

.close:hover {
    color: var(--gray-600);
}

.modal-body {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
}

.modal-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--gray-600);
}

.modal-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.modal-footer a:hover {
    text-decoration: underline;
}

/* 加载动画样式 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.loading-overlay.show {
    display: flex;
}

.loading-spinner {
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .solution-item {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: var(--spacing-lg);
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-lg);
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* 工具提示和其他辅助样式 */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-900);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-fast);
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
}

/* 悬浮通知框样式 - 统一全局通知系统 */
.notification-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 380px;
    min-width: 320px;
    pointer-events: none; /* 允许点击穿透到下层元素 */
}

.notification {
    background: white;
    border-radius: 12px;
    padding: 20px 45px 20px 20px;
    margin-bottom: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: fixed;
    bottom: 20px;
    right: 20px;
    min-height: 60px;
    max-width: 380px;
    min-width: 320px;
    backdrop-filter: blur(10px);
    pointer-events: auto;
    cursor: default;
    transition: all 0.3s ease;
    z-index: 9999;
}

.notification:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.notification.success {
    background: linear-gradient(135deg, #f0fdf4 0%, #e6fffa 100%);
    border-color: rgba(34, 197, 94, 0.2);
}

.notification.error {
    background: linear-gradient(135deg, #fef2f2 0%, #fce8e6 100%);
    border-color: rgba(239, 68, 68, 0.2);
}

.notification.warning {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-color: rgba(245, 158, 11, 0.2);
}

.notification.info {
    background: linear-gradient(135deg, #eff6ff 0%, #e0f2fe 100%);
    border-color: rgba(59, 130, 246, 0.2);
}

.notification-icon {
    font-size: 24px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
}

.notification.success .notification-icon {
    color: #16a34a;
    background: rgba(34, 197, 94, 0.1);
}

.notification.error .notification-icon {
    color: #dc2626;
    background: rgba(239, 68, 68, 0.1);
}

.notification.warning .notification-icon {
    color: #d97706;
    background: rgba(245, 158, 11, 0.1);
}

.notification.info .notification-icon {
    color: #2563eb;
    background: rgba(59, 130, 246, 0.1);
}

.notification-content {
    display: block;
    width: 100%;
}

.notification-title {
    font-weight: 600;
    font-size: 15px;
    margin: 0 0 2px 0;
    color: #1f2937;
    letter-spacing: -0.01em;
}

.notification-message {
    font-size: 14px;
    line-height: 1.4;
    color: #4b5563;
    margin: 0;
    word-wrap: break-word;
    font-weight: 400;
}

.notification-close {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255, 255, 255, 0.8);
    border: none;
    font-size: 16px;
    color: #6b7280;
    cursor: pointer;
    padding: 8px;
    line-height: 1;
    transition: all 0.2s ease;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.notification-close:hover {
    background: rgba(255, 255, 255, 1);
    color: #374151;
    transform: scale(1.1);
}

.notification-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 0 0 8px 8px;
    animation: progress linear;
}

.notification.success .notification-progress {
    background: #22c55e;
}

.notification.error .notification-progress {
    background: #ef4444;
}

.notification.warning .notification-progress {
    background: #f59e0b;
}

.notification.info .notification-progress {
    background: #3b82f6;
}

/* 通知动画 */
@keyframes slideInUp {
    from {
        transform: translateY(100px) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

@keyframes slideOutDown {
    from {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    to {
        transform: translateY(100px) scale(0.9);
        opacity: 0;
    }
}

@keyframes progress {
    from {
        width: 100%;
    }
    to {
        width: 0%;
    }
}

/* 通知响应式设计 */
@media (max-width: 768px) {
    .notification-container {
        right: 16px;
        left: 16px;
        bottom: 16px;
        max-width: none;
        min-width: auto;
    }
    
    .notification {
        min-width: auto;
        padding: 14px 16px;
    }
    
    .notification-icon {
        width: 36px;
        height: 36px;
        font-size: 20px;
    }
}

/* 用户信息区域样式 */
.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-name {
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.95rem;
    white-space: nowrap;
}

.user-info .btn-secondary {
    padding: 8px 16px;
    font-size: 0.9rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition-fast);
}

.user-info .btn-secondary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.user-info .btn-outline {
    padding: 8px 16px;
    font-size: 0.9rem;
    background: transparent;
    color: var(--gray-600);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition-fast);
}

.user-info .btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
    color: var(--gray-700);
    transform: translateY(-1px);
}

/* 响应式设计 - 移动端优化 */
@media (max-width: 768px) {
    .user-info {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .user-name {
        font-size: 0.9rem;
    }
    
    .user-info .btn-secondary,
    .user-info .btn-outline {
        padding: 6px 12px;
        font-size: 0.85rem;
        width: 100%;
        text-align: center;
    }
}