/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #667eea;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --text-primary: #1a202c;
    --text-secondary: #718096;
    --bg-light: #f7fafc;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s;
    background: transparent;
}

.navbar.scrolled {
    background: white;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5em;
    font-weight: bold;
    cursor: pointer;
}

.logo-icon {
    font-size: 1.3em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.user-avatar {
    cursor: pointer;
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 20px 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5em;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

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

.hero-subtitle {
    font-size: 1.3em;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn-glow {
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transition: all 0.3s;
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5em;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    color: var(--text-secondary);
    margin-top: 5px;
}

/* 浮动卡片 */
.hero-image {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: float 3s ease-in-out infinite;
}

.card-1 {
    top: 0;
    left: 0;
    animation-delay: 0s;
}

.card-2 {
    top: 40%;
    right: 0;
    animation-delay: 1s;
}

.card-3 {
    bottom: 0;
    left: 20%;
    animation-delay: 2s;
}

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

.card-header {
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 1.1em;
}

.card-body {
    color: var(--text-secondary);
    font-size: 0.9em;
}

/* 功能特色 */
.features {
    padding: 100px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2em;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: 20px;
    background: var(--bg-light);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 4em;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-secondary);
}

/* 模板展示 */
.templates {
    padding: 100px 0;
    background: var(--bg-light);
}

.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.template-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s;
}

.template-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.template-icon {
    font-size: 3.5em;
    margin-bottom: 20px;
}

.template-card h3 {
    font-size: 1.3em;
    margin-bottom: 10px;
}

.template-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* CTA区域 */
.cta {
    padding: 100px 0;
    background: var(--primary-gradient);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.5em;
    margin-bottom: 15px;
}

.cta p {
    font-size: 1.2em;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta .el-button {
    background: white;
    color: var(--primary-color);
    border: none;
}

/* 页脚 */
.footer {
    padding: 60px 0 30px;
    background: #1a202c;
    color: white;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3em;
    font-weight: bold;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
}

/* 维护模式覆盖层 */
.maintenance-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.maintenance-card {
    background: white;
    border-radius: 16px;
    padding: 48px;
    text-align: center;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.maintenance-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.maintenance-card h2 {
    font-size: 24px;
    color: #1a202c;
    margin-bottom: 16px;
}

.maintenance-card p {
    font-size: 16px;
    color: #718096;
    line-height: 1.6;
}

.maintenance-sub {
    font-size: 13px;
    color: #a0aec0;
    margin-top: 8px;
}

/* 导航栏Logo图片 */
.nav-logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
    border-radius: 4px;
}

/* 页脚Logo图片 */
.footer-logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
    border-radius: 4px;
}

/* 登录注册对话框 */
.auth-dialog .el-form-item {
    margin-bottom: 25px;
}

/* 响应式 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5em;
    }
    
    .hero-image {
        display: none;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .nav-menu {
        gap: 15px;
    }
    
    .nav-link {
        display: none;
    }
    
    .feature-grid,
    .template-grid {
        grid-template-columns: 1fr;
    }
}