/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", 微软雅黑, sans-serif;
}

body {
    background: linear-gradient(145deg, #42a5f5 0%, #bdef34 100%);
    color: #333;
    min-height: 100vh; /* 关键：确保至少占满全屏高度 */
    margin: 0;
    padding: 2rem 1.5rem;
}

/* 侧边栏样式 */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 220px;
    height: 100vh;
    background: linear-gradient(180deg, #2196f3 0%, #64b5f6 100%);
    color: white;
    padding: 20px 0;
    z-index: 1000;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-logo {
    text-align: center;
    padding: 20px 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    
}

.sidebar-logo h2 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: white;
}

.sidebar-logo p {
    font-size: 0.9rem;
    opacity: 0.9;
    color: #e3f2fd;
}

.sidebar-nav {
    list-style: none;
    padding: 0 15px;
}

.sidebar-nav li {
    margin-bottom: 8px;
}

/*为第二个span设置样式*/
.sidebar-nav li span:nth-child(2){
    display: inline-block;
    margin-left: 10px;
}


.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 5px;
}

.sidebar-nav a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.sidebar-nav a.active {
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-left: 4px solid white;
}

.sidebar-nav i {
    margin-right: 10px;
    font-size: 1.1rem;
    min-width: 24px;
    text-align: center;
}

.sidebar-nav span {
    font-size: 0.95rem;
}

/* 主要内容区域 - 添加左边距以适应侧边栏 */
.main-content {
    margin-left: 220px;
    padding: 20px;
    transition: margin-left 0.3s ease;
}

/* 移动端遮罩层 */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* 头部样式 */
.header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(4px);
    padding: 0.8rem 2rem;
    border-radius: 80px;
    box-shadow: 0 8px 24px rgba(66, 165, 245, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.6);
    max-width: 1200px;
    margin: 0 auto;
}

.header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.header p {
    font-size: 1rem;
    opacity: 0.9;
}


.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-area img {
    height: 50px;
    width:auto;
}

.sidebar-logo img {
    height: 80px;
    width:auto;  
}

.site-title {
    font-size: 2rem;
    font-weight: 700;
    color: #0d2b3e;
    letter-spacing: -0.5px;
    text-shadow: 2px 2px 0 rgba(179, 229, 252, 0.5);
}

.site-title small {
    font-weight: 600;
    font-size: 1.2rem;
    color: #1e88e5;
    margin-left: 10px;
    background: rgba(179, 229, 252, 0.6);
    padding: 0.5rem 1rem;
    border-radius: 40px;
    display: inline-block;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.8);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.header-tag {
    background: rgba(66, 165, 245, 0.12);
    padding: 0.4rem 1.2rem;
    border-radius: 60px;
    font-weight: 600;
    color: #0d2b3e;
    border: 1px solid rgba(66, 165, 245, 0.2);
    box-shadow: 0 2px 8px rgba(66, 165, 245, 0.06);
    font-size: 0.95rem;
}

.header-tag i {
    margin-right: 6px;
    color: #42a5f5;
}


/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* 标签栏样式 */
.tab-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.tab-nav button {
    flex: 1;
    min-width: 100px;
    padding: 12px 15px;
    border: none;
    border-radius: 8px;
    background: #e3f2fd;
    color: #1976d2;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tab-nav button.active {
    background: #2196f3;
    color: white;
    box-shadow: 0 3px 10px rgba(33, 150, 243, 0.3);
}

.tab-nav button:hover:not(.active) {
    background: #bbdefb;
    transform: translateY(-2px);
}

/* 拼音内容区域 */
.pinyin-content {
    display: none;
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    margin-top: 20px;
}

.pinyin-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.pinyin-content h2 {
    color: #2196f3;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e3f2fd;
    font-size: 1.5rem;
}

/* 拼音格子容器 
.pinyin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 20px;
}
*/
/* 拼音格子容器 - PC端一行8个，手机端一行4个 */
.pinyin-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 15px;
}





/* 拼音卡片样式 */
.pinyin-card {
    display: flex;
	position: relative;
    flex-direction: column;
    align-items: center;
    padding: 15px 10px;
    border-radius: 10px;
    background: linear-gradient(145deg, #f5f9ff, #e8f4ff);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}



.pinyin-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(33, 150, 243, 0.15);
    border-color: #2196f3;
    background: linear-gradient(145deg, #e8f4ff, #d4e9ff);
}



.pinyin-card.active-play {
    background: linear-gradient(145deg, #e3f2fd, #bbdefb);
    border-color: #2196f3;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(33, 150, 243, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(33, 150, 243, 0); }
    100% { box-shadow: 0 0 0 0 rgba(33, 150, 243, 0); }
}

/* 四线格样式 */
.four-line-grid {
    width: 90px;
    height: 70px;
    position: relative;
    margin-bottom: 15px;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.four-line-grid .line {
    position: absolute;
    left: 0;
    right: 0;
    height: 1.5px;
    background: #555;
}

.four-line-grid .line1 { top: 0; }
.four-line-grid .line2 { top: 23px; }
.four-line-grid .line3 { top: 46px; }
.four-line-grid .line4 { bottom: 0; }

.four-line-grid .pinyin-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.2rem;
    font-weight: bold;
    color: #2196f3;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}


.pinyin-name {
    display: inline-block;
    padding-left: 20px;
    width: 100%;
    height: 20px;
    font-size: 0.9rem;
    color: #666;
    text-align: center;
    background-image: url('/libs/img/xlaba.webp');
    background-position: 15px;
    background-size: 20px auto;
    background-repeat: no-repeat;
    
}


/* 声调标记 */
.tone-mark {
    position: absolute;
    top: 5px;
    right: 5px;
    background: #ff9800;
    color: white;
    width: 40px;
    height: 18px;
    border-radius: 10%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: bold;
}

.tone1 { background: #f44336; } /* 第一声 - 红色 */
.tone2 { background: #ff9800; } /* 第二声 - 橙色 */
.tone3 { background: #4caf50; } /* 第三声 - 绿色 */
.tone4 { background: #2196f3; } /* 第四声 - 蓝色 */

/* 加载提示 */
.loading {
    display: none;
    text-align: center;
    color: #666;
    padding: 15px;
    font-size: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    margin: 20px 0;
    border: 1px solid #e0e0e0;
}

/* 移动端菜单切换按钮 */
.menu-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1001;
    background: #2196f3;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 10px;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}


.col {
position: relative;
width: 100%;
padding-right: 0;
padding-left: 0;
flex-basis: 0;
flex-grow: 1;
max-width: 100%;
}

.card {
padding: 0 20px;
margin-bottom: 15px
}
.pb-4 {
padding-bottom: 30px!important
}
h2.mt-4 {
margin-top: 30px!important;
border-bottom:0;
}

.content-header .title,.content-header h1 {
text-align: center;
font-weight: 600;
padding-top: 15px;
color: var(--body-color);
margin-bottom: 0!important
}

.content-header .title+.summary,.content-header h1+.summary {
padding: 5px 0 15px!important;
margin: 0!important;
color: var(--body-info-color)
}

.content-header .title+.summary+.description,.content-header h1+.summary+.description {
margin-top: 15px!important
}

.content-header .summary {
font-size: .875rem;
text-align: center;
border-bottom: 1px solid var(--border-color)
}

.content-header .summary:before {
content: "（"
}

.content-header .summary:after {
content: "）"
}

.content-header .description {
font-size: .95rem;
color: var(--body-info-color);
margin-bottom: 0;

line-height:30px;
}
.mt-4 {
margin-top: 30px!important
}

.mb-4 {
margin-bottom: 30px!important
}


.callout {
padding: 20px;
margin: 0 0 20px 0;
border: 1px solid #e7edf6;
border-left-width: 5px;
border-left-color: #2196f3;
border-radius:8px;
}	
.callout-danger {
border-left-color: #2196f3
}		
.font-15 {
font-size: 15px;
line-height:30px;
}		
.abc-fayin-container {
display: flex;
flex-wrap: wrap;
padding-bottom: 1rem;
padding-top: 1rem;
border-bottom: 1px dashed #ebd187
}	
.abc-item {
--line-color: #FFC5AA;
position: relative;
cursor: pointer;
-webkit-user-select: none;
-moz-user-select: none;
user-select: none;
margin-bottom: .75rem
}		

html[data-theme=dark] .abc-item {
--line-color: #444
}

.abc-item:hover {
color: red
}

.abc-item .line {
position: absolute;
display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
border-top: 2px solid #64b5f6;
border-bottom: 2px solid #64b5f6;
border-left: 1px solid #64b5f6;
border-right: 1px solid #64b5f6;
height: 42px;
width: 100%
}

.abc-item .line>span {
overflow: hidden;
width: 100%
}

.abc-item .line>span:nth-child(1),.abc-item .line>span:nth-child(2) {
border-bottom: 1px dotted #64b5f6;
height: 12px
}

.abc-item .line>span:last-child {
border-bottom: none;
height: 11px
}

.abc-item .letter {
position: relative;
z-index: 100;
font-size: 24px;
line-height: 36px;
height: 42px;
font-family: "Pinyin",Tahoma,"Helvetica Neue",Helvetica,Arial,sans-serif;
display: block;
text-align: center;
letter-spacing: -1px
}




.abc-fayin-container {
display: flex;
flex-wrap: wrap;
padding-bottom: 1rem;
padding-top: 1rem;
border-bottom: 2px solid #e3f2fd;
margin-bottom:15px;
}

.abc-fayin-container dl {
display: flex;
align-items: flex-start;
width: 50%;
padding: 1rem;
border: 1px solid #e7edf6;
margin: -1px 0 0 -1px
}

.abc-fayin-container dl dt {
width: 80px;
font-weight: lighter;
margin: 0;
flex-shrink: 0
}

.abc-fayin-container dl dd {
margin: 0;
padding-left: 1rem;
flex-grow: 1;
line-height:25px;
font-size:16px;
}

.abc-fayin-container:first-child {
padding-top: 0
}

.abc-fayin-container:last-child {
padding-bottom: 0;
border-bottom: none
}		

h3 {
display: block;
font-size: 1.17em;
margin-block-start: 1em;
margin-block-end: 1em;
margin-inline-start: 0px;
margin-inline-end: 0px;
font-weight: bold;
unicode-bidi: isolate;
}
dl, ol {
margin-top: 0;
margin-bottom: 0;
}
.card {
padding: 0 20px;
margin-bottom: 15px;
}		


/* 响应式适配 */
@media (max-width: 992px) {
    .sidebar {
        width: 180px;
    }
    
    .main-content {
        margin-left: 180px;
    }
    
    .pinyin-grid {
        grid-template-columns: repeat(auto-fill, minmax(95px, 1fr));
        gap: 15px;
    }
    
    .four-line-grid {
        width: 80px;
        height: 60px;
    }
}

@media (max-width: 768px) {
	
	.pinyin-grid {
        grid-template-columns: repeat(4, 1fr);
    }
	
    .sidebar {
        transform: translateX(-100%);
        width: 250px;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .tab-nav button {
        /*min-width: 80px;*/
        padding: 10px 8px;
        font-size: 0.8rem;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .pinyin-grid {
        /*grid-template-columns: repeat(3, 1fr);*/
        grid-template-columns: repeat(auto-fit, minmax(93px, 1fr));
    }
    
    .pinyin-content {
        padding: 15px;
    }
    
    .header {
        padding-top: 8px;
        padding-bottom: 8px;
        padding-left: 45px;
    }
    
    .header h1 {
        font-size: 1.6rem;
    }
    
    .header p {
        font-size: 0.9rem;
    }
    
    
    .site-title small {
    font-size: 0.9rem;
    }
	
	.header-right{
	    display: none;
	}
	
	.logo-area {
        gap: 5px;
	    
	}
	
	.logo-area img {
        height: 49px;
        width:auto;
}
	
	.content-header .description {
		background-color: var(--body-secondary-bg-color);
		border: 1px solid var(--border-color);
		padding: 10px;
		border-radius: 5px
	}
	.abc-fayin-container dl{
		width:100%;
	}
}