/* QuickQ 官方网站样式 */
:root {
    --primary-color: #3498db;
    --secondary-color: #2980b9;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-text: #666;
    --background-color: #f9f9f9;
    --card-background: #fff;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

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

/* 导航栏样式 */
header {
    background-color: var(--card-background);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
}

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

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

/* 移动端菜单按钮 */
.menu-btn {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: white;
    color: var(--primary-color);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

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

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

/* 特色区域样式 */
.features {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 70px;
    color: var(--text-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 4px;
    background-color: var(--primary-color);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--card-background);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

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

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

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

/* 优势区域样式 */
.advantages {
    background-color: var(--card-background);
    padding: 100px 0;
}

.advantages-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 50px;
}

.advantages-text {
    flex: 1;
    min-width: 300px;
}

.advantages-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.advantages-text p {
    margin-bottom: 20px;
    color: var(--light-text);
}

.advantages-list {
    list-style: none;
}

.advantages-list li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.advantages-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.advantages-image {
    flex: 1;
    min-width: 300px;
}

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

/* 下载区域样式 */
.download-section {
    padding: 100px 0;
    text-align: center;
}

.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.download-card {
    background-color: var(--card-background);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.download-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.download-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.download-card .version {
    color: var(--light-text);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

/* FAQ 样式 */
.faq {
    padding: 100px 0;
    background-color: var(--card-background);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 20px 0;
    font-size: 1.1rem;
    font-weight: 600;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    color: var(--text-color);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: 0;
    font-size: 1.5rem;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-question.active::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer-content {
    padding: 0 0 20px 0;
    color: var(--light-text);
}

/* 页脚样式 */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 30px;
}

.footer-info h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-info p {
    margin-bottom: 20px;
    opacity: 0.8;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.4rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* 调整hero区域布局，在中等屏幕上改为垂直堆叠 */
    .hero-content {
        flex-direction: column !important;
        text-align: center !important;
        gap: 30px !important;
    }
    
    .hero-content > div:first-child {
        text-align: center !important;
    }
    
    .hero-content .hero-buttons {
        justify-content: center !important;
    }
}

@media (max-width: 768px) {
    .menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background-color: var(--card-background);
        width: 80%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links li {
        margin: 20px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 80px 0;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .features, .advantages, .download-section, .faq {
        padding: 80px 0;
    }
}