* {
    margin: 0;
    padding: 0;
    --space-blue: #0F1423;
    --neon-blue: #00D8FF;
    box-sizing: border-box;
}

body {
    font-family: 'MyriadPro', 'FZLantingYuan', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    min-height: 100vh;
    color: #fff;
    overflow-x: hidden;
    position: relative;
}
.navbar {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px 2%;
    position: relative;
}

.lang-btn1 {
    padding: 8px 15px;
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 100;
}
.lang-btn1:hover {
    background: rgba(0, 216, 255, 0.2);
    border-radius: 10px;

}
/* 用户菜单 */
.user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
    position: absolute;
    top: 20px;
    right: 20px;
}
/* 语言切换按钮 */
.language-switch {
    display: flex;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(0, 216, 255, 0.3);
    background: rgba(10, 20, 40, 0.4);
}
        
.lang-btn {
    padding: 8px 15px;
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
}
        
.lang-btn.active {
    background: var(--neon-blue);
    color: var(--space-blue);
    box-shadow: 0 0 10px rgba(0, 216, 255, 0.5);
}
        
/* 粒子效果容器 */
#particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 20vh;
    z-index: 0;
}
/* 主内容区域 */
.header {
    margin-top: 15vh;
    position: relative;
    z-index: 1;
    padding-top: 60px;
}

.header-content {
    text-align: center;
    margin: 0 auto 20px;
    max-width: 1200px;
    padding: 0 20px;
}

.main-title {
    font-size: 2.8rem;
    background: linear-gradient(90deg, #ffffff, #86f1ff, #69b4fa);
    background-clip: text;
    -webkit-background-clip: text; /* Safari/旧版 Chrome */
    color: transparent;
    -webkit-text-fill-color: transparent; /* 必须配合使用 */
    text-shadow: 0 0 15px rgba(11, 125, 240, 0.4);
    animation: pulse 3s infinite;
    margin-bottom: 5px;
}

/* 回退方案 */
@supports not (background-clip: text) {
    .text-effect {
        color: #4ecdc4; /* 显示纯色替代 */
    }
}

@keyframes pulse {
    0% { text-shadow: 0 0 10px rgba(77, 166, 255, 0.4); }
    50% { text-shadow: 0 0 25px rgba(77, 166, 255, 0.7); }
    100% { text-shadow: 0 0 10px rgba(77, 166, 255, 0.4); }
}

/* 搜索框 */
.search-container {
    position: relative;
    max-width: 500px;
    margin: 25px auto 30px;
}

.search-box {
    width: 100%;
    padding: 12px 20px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-box:focus {
    outline: none;
    border-color: rgba(77, 166, 255, 0.8);
    background: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 20px rgba(77, 166, 255, 0.3);
}

/* RRU列表 */
.rru-container {
    width: 90%;
    max-width: 600px;
    margin: 60px auto;
}

.rru-list {
    list-style: none;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 15px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.rru-item {
    padding: 18px;
    margin: 10px 0;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.07);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    font-size: 1.3rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.rru-item:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    border-color: rgba(77, 166, 255, 0.3);
}

.rru-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(77, 166, 255, 0.1), transparent);
    transition: all 0.6s ease;
}

.rru-item:hover::before {
    left: 100%;
}

.rru-item-content {
    display: flex;          /* 启用Flex布局 */
    align-items: center;    /* 垂直居中 */
    justify-content: flex-start;
    text-decoration: none;
    width: 100%;            /* 填满卡片宽度 */
    height: 100%;           /* 填满卡片高度 */
    padding-left: 84px; 
    color: inherit;
}
/* Started by AICoder, pid:b27b5s0671o759314a9e09f27068ed0e7a270303 */
.rru-link {
    display: block;  /* 行内块元素，适应Flex布局 */
    text-decoration: none;
    color: inherit;
    font-size: 1.3rem;      /* 继承父容器字体大小 */
    line-height: 1.5;       /* 调整行高以匹配图标高度 */
    margin-left: 24px;
}
/* Ended by AICoder, pid:b27b5s0671o759314a9e09f27068ed0e7a270303 */
.icon {
    margin-left: 0px;
    width: 50px;
    height: 50px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .top-buttons {
        padding: 0 10px;
        top: 15px;
    }
    .header {
    margin-top: 10vh;
    }
    .main-title {
        font-size: 2.2rem;
    }
    body {
        font-size: 14px;
    }
    .rru-container {
        width: 95%;
        margin: 30px auto;
    }
    .search-container {
        width: 95%;
    }
    .rru-item-content {
    padding-left: 24px; 
    }

}

@media (max-width: 480px) {
    .top-buttons {
        top: 10px;
    }
    .header {
    margin-top: 10vh;
    }
    body {
        font-size: 12px;
    }
        .rru-container {
        width: 95%;
        margin: 30px auto;
    }
    .main-title {
        font-size: 1.8rem;
    }
    .rru-item-content {
    padding-left: 24px; 
    }
}