/* copyright.css - 版权信息页面样式 */

/* 主题变量扩展 */
:root {
    --copyright-box-bg: rgba(0, 0, 0, 0.3);
    --copyright-box-border: rgba(255, 255, 255, 0.15);
    --copyright-item-bg: rgba(255, 255, 255, 0.05);
    --copyright-item-border: rgba(255, 255, 255, 0.1);
    --copyright-header-bg: rgba(170, 215, 255, 0.1);
    --nav-bg: rgba(0, 0, 0, 0.4);
    --nav-border: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] {
    --copyright-box-bg: rgba(255, 255, 255, 0.85);
    --copyright-box-border: rgba(0, 0, 0, 0.1);
    --copyright-item-bg: rgba(0, 0, 0, 0.03);
    --copyright-item-border: rgba(0, 0, 0, 0.08);
    --copyright-header-bg: rgba(52, 152, 219, 0.1);
    --nav-bg: rgba(255, 255, 255, 0.8);
    --nav-border: rgba(0, 0, 0, 0.1);
}

/* 重置 body 高度 */
body {
    height: auto;
    min-height: 100vh;
}

/* 导航栏样式 */
.nav {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 999;
}

.nav a {
    color: var(--link-color);
    text-decoration: none;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--nav-bg);
    padding: 10px 20px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    transition: var(--theme-transition);
    border: 1px solid var(--nav-border);
}

.nav a:hover {
    transform: translateX(5px);
    text-decoration: none;
    opacity: 0.8;
}

/* 容器样式调整 */
.container {
    height: auto;
    min-height: 100vh;
    padding: 100px 20px 80px;
    transform: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 版权信息主框 */
.copyright-box {
    background: var(--copyright-box-bg);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    padding: 3rem;
    max-width: 800px;
    width: 100%;
    border: 1px solid var(--copyright-box-border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: var(--theme-transition);
}

[data-theme="light"] .copyright-box {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.copyright-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] .copyright-box:hover {
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

/* 头部样式 */
.copyright-header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: var(--copyright-header-bg);
    border-radius: 15px;
    border: 1px solid var(--copyright-item-border);
}

.copyright-header i {
    font-size: 3rem;
    color: var(--link-color);
    margin-bottom: 1rem;
    display: block;
    transition: var(--theme-transition);
}

.copyright-header h1 {
    font-size: 2.2rem;
    color: var(--text-color);
    margin: 0;
    transition: var(--theme-transition);
}

/* 内容区域 */
.copyright-content {
    margin-bottom: 2rem;
}

/* 版权条目样式 */
.copyright-item {
    background: var(--copyright-item-bg);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--copyright-item-border);
    transition: var(--theme-transition);
}

.copyright-item:hover {
    transform: translateX(10px);
    background: rgba(170, 215, 255, 0.08);
    border-color: var(--link-color);
}

[data-theme="light"] .copyright-item:hover {
    background: rgba(52, 152, 219, 0.08);
}

.copyright-item h3 {
    font-size: 1.3rem;
    color: var(--link-color);
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--theme-transition);
}

.copyright-item h3 i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.copyright-item p {
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
    color: var(--text-color);
    opacity: 0.9;
    transition: var(--theme-transition);
}

.copyright-item strong {
    color: var(--link-color);
    font-weight: 600;
}

.copyright-item a {
    color: var(--link-color);
    text-decoration: none;
    transition: var(--theme-transition);
    font-weight: 500;
}

.copyright-item a:hover {
    text-decoration: underline;
    opacity: 0.8;
}

/* 底部样式 */
.copyright-footer {
    text-align: center;
    padding: 1.5rem;
    background: var(--copyright-item-bg);
    border-radius: 15px;
    border: 1px solid var(--copyright-item-border);
}

.copyright-footer p {
    font-size: 1.1rem;
    color: var(--text-color);
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--theme-transition);
}

.copyright-footer i {
    color: #ff6b6b;
    animation: heartbeat 2s ease-in-out infinite;
}

/* 心跳动画 */
@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav {
        top: 10px;
        left: 10px;
    }
    
    .nav a {
        font-size: 1rem;
        padding: 8px 16px;
    }
    
    .container {
        padding: 80px 15px 60px;
    }
    
    .copyright-box {
        padding: 2rem;
        border-radius: 20px;
    }
    
    .copyright-header {
        padding: 1.2rem;
        margin-bottom: 2rem;
    }
    
    .copyright-header i {
        font-size: 2.5rem;
    }
    
    .copyright-header h1 {
        font-size: 1.8rem;
    }
    
    .copyright-item {
        padding: 1.2rem;
        margin-bottom: 1.2rem;
    }
    
    .copyright-item h3 {
        font-size: 1.2rem;
        gap: 8px;
    }
    
    .copyright-item p {
        font-size: 0.95rem;
    }
    
    .copyright-footer {
        padding: 1.2rem;
    }
    
    .copyright-footer p {
        font-size: 1rem;
        flex-direction: column;
        gap: 5px;
    }
}

@media (max-width: 480px) {
    .copyright-box {
        padding: 1.5rem;
        margin: 10px;
    }
    
    .copyright-header {
        padding: 1rem;
    }
    
    .copyright-header i {
        font-size: 2rem;
    }
    
    .copyright-header h1 {
        font-size: 1.6rem;
    }
    
    .copyright-item {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .copyright-item h3 {
        font-size: 1.1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .copyright-item h3 i {
        width: auto;
    }
    
    .copyright-item:hover {
        transform: translateX(5px);
    }
}