/* 继承主样式 */
@import url('./main.css');

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
}

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

.site-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 导航样式 */
.main-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section h1 {
    font-size: 24px;
    margin: 0;
}

.logo-link {
    text-decoration: none;
    background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slogan {
    font-size: 12px;
    color: #999;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 10px;
    align-items: center;
}

.nav-item {
    text-decoration: none;
    color: var(--dark);
    padding: 8px 16px;
    border-radius: 20px;
    transition: var(--transition);
    font-size: 14px;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(116, 185, 255, 0.1);
    color: var(--primary);
}

.nav-item.cta-btn {
    background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
    color: var(--light);
}

/* 主内容 */
.main-content {
    flex: 1;
    padding-top: 20px;
}

/* 页面头部 */
.page-hero {
    background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
    color: var(--light);
    padding: 60px 0;
    text-align: center;
}

.page-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

.page-subtitle {
    font-size: 18px;
    opacity: 0.9;
}

/* 阅读器展示 */
.reader-showcase {
    padding: 80px 0;
}

.reader-demo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 60px;
}

.demo-screen {
    position: relative;
    background: var(--dark);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.reader-interface {
    width: 100%;
    display: block;
    border-radius: 16px;
}

.interface-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    background: rgba(0, 0, 0, 0.8);
    padding: 15px 20px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

.control-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    padding: 10px 15px;
    border-radius: 12px;
}

.control-item.active {
    background: rgba(116, 185, 255, 0.3);
}

.control-item:hover {
    background: rgba(116, 185, 255, 0.2);
}

.control-icon {
    font-size: 20px;
}

.control-label {
    font-size: 12px;
    white-space: nowrap;
}

.demo-features {
    padding-left: 20px;
}

.features-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--dark);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-point {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.point-icon {
    font-size: 28px;
    background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.point-info {
    flex: 1;
}

.point-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}

.point-desc {
    color: #666;
    line-height: 1.7;
}

/* 阅读模式 */
.reading-modes {
    padding: 80px 0;
    background: var(--gray);
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.mode-card {
    background: var(--light);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.mode-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.mode-preview {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.mode-info {
    padding: 30px;
}

.mode-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark);
}

.mode-description {
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
}

.mode-features {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.mode-tag {
    background: rgba(116, 185, 255, 0.1);
    color: var(--primary);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

/* 阅读器统计 */
.reader-stats {
    padding: 80px 0;
}

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

.stat-item {
    background: var(--light);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
}

.stat-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
    color: var(--primary);
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    display: block;
}

.stat-label {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.stat-note {
    font-size: 14px;
    color: #666;
}

/* 页脚 */
.main-footer {
    background: var(--dark);
    color: var(--light);
    padding: 60px 0 30px;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-desc {
    line-height: 1.7;
    color: #bbb;
    margin-bottom: 20px;
}

.footer-copyright {
    font-size: 14px;
    color: #999;
    line-height: 1.6;
}

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

.footer-links li {
    margin-bottom: 8px;
}

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

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

.contact-info p {
    margin-bottom: 8px;
    color: #bbb;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .page-title {
        font-size: 28px;
    }
    
    .reader-demo {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .demo-features {
        padding-left: 0;
    }
    
    .features-title {
        font-size: 28px;
    }
    
    .modes-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .interface-controls {
        flex-direction: column;
        gap: 10px;
        padding: 10px 15px;
    }
    
    .control-item {
        flex-direction: row;
        gap: 10px;
        padding: 8px 12px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

/* 动画 */
@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.feature-point:nth-child(odd) {
    animation: slideInFromLeft 0.8s ease forwards;
}

.feature-point:nth-child(even) {
    animation: slideInFromRight 0.8s ease forwards;
}

.feature-point:nth-child(2) {
    animation-delay: 0.2s;
}

.feature-point:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.mode-card {
    animation: bounceIn 0.8s ease forwards;
}

.mode-card:nth-child(2) {
    animation-delay: 0.2s;
}

.mode-card:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.control-item.active {
    animation: pulse 2s ease-in-out infinite;
}