@charset "utf-8";

/* ===== CSS 变量定义 ===== */
:root {
    /* 颜色变量 */
    --text-color: #ffffff;
    --bg-color: rgba(0, 0, 0, 0.5);
    --card-bg: rgba(30, 30, 30, 0.65);
    --card-border: rgba(255, 255, 255, 0.1);
    --accent-color: #29f;
    --hover-color: rgba(255, 255, 255, 0.1);
    --error-color: #ff6b6b;
    --success-color: #51cf66;
    
    /* 尺寸变量 */
    --blur-amount: 10px;
    --border-radius-sm: 4px;
    --border-radius-md: 6px;
    --border-radius-lg: 9px;
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    
    /* 布局变量 */
    --menu-width: 337px;
    --search-width: 717px;
    --input-height: 50px;
    --button-size: 36px;
    
    /* 动画变量 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 特定组件变量 */
    --menu-bg: rgba(1, 1, 1, 0.5);
    --glass-bg: rgba(30, 30, 30, 0.65);
}

/* ===== 主题模式 ===== */
[data-theme="light"] {
    --text-color: #333333;
    --bg-color: rgba(255, 255, 255, 0.5);
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-border: rgba(0, 0, 0, 0.15);
    --accent-color: #29f;
    --hover-color: rgba(0, 0, 0, 0.08);
    --menu-bg: rgba(255, 255, 255, 0.8);
    --glass-bg: rgba(255, 255, 255, 0.8);
    /* 毛玻璃特效 - 浅色模式添加白色 */
    --glass-light: rgba(255, 255, 255, 0.25);
    --glass-light-hover: rgba(255, 255, 255, 0.35);
    --glass-light-border: rgba(255, 255, 255, 0.3);
    --glass-light-border-hover: rgba(255, 255, 255, 0.4);
}

[data-theme="dark"] {
    --text-color: #ffffff;
    --bg-color: rgba(0, 0, 0, 0.5);
    --card-bg: rgba(30, 30, 30, 0.65);
    --card-border: rgba(255, 255, 255, 0.1);
    --accent-color: #29f;
    --hover-color: rgba(255, 255, 255, 0.1);
    --menu-bg: rgba(1, 1, 1, 0.5);
    --glass-bg: rgba(30, 30, 30, 0.65);
    /* 毛玻璃特效 - 深色模式添加黑色 */
    --glass-light: rgba(0, 0, 0, 0.25);
    --glass-light-hover: rgba(0, 0, 0, 0.35);
    --glass-light-border: rgba(0, 0, 0, 0.3);
    --glass-light-border-hover: rgba(0, 0, 0, 0.4);
}

/* ===== 基础重置和通用样式 ===== */
* {
    padding: 0;
    margin: 0;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    box-sizing: border-box;
}

/* ===== 链接样式重置 ===== */
a {
    text-decoration: none;
    color: inherit;
}

html, body {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    background-color: #000;
    font-family: sans-serif;
    font-weight: 300;
    color: var(--text-color);
}

html {
    font-size: 16px;
}

/* ===== 背景和布局 ===== */
.bgo {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: brightness(0.9);
    width: 100%;
    height: 100%;
    z-index: 1;
    position: relative;
    transition: var(--transition-slow);
}

.bgo.loaded {
    background: var(), linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

/* ===== 设置按钮 ===== */
#settings-btn {
    width: 50px;
    height: 50px;
    position: absolute;
    right: var(--spacing-lg);
    top: var(--spacing-lg);
    z-index: 2000001;
    cursor: pointer;
    transition: var(--transition-normal);
    background: var(--glass-light);
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    border: 1px solid var(--glass-light-border);
    border-radius: var(--border-radius-md);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
}

#settings-btn:hover {
    background: var(--glass-light-hover);
    border: 1px solid var(--glass-light-border-hover);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.5);
}

#settings-btn i {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-fast);
}

#settings-btn:hover i {
    color: var(--accent-color);
}

/* ===== 菜单组件 ===== */
#menu {
    width: 50px;
    height: 50px;
    position: absolute;
    right: calc(var(--spacing-lg) + 60px);
    top: var(--spacing-lg);
    z-index: 2000000;
    cursor: pointer;
    transition: var(--transition-normal);
    background: var(--glass-light);
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    border: 1px solid var(--glass-light-border);
    border-radius: var(--border-radius-md);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
}

#menu:hover {
    background: var(--glass-light-hover);
    border: 1px solid var(--glass-light-border-hover);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.5);
}

/* Windows风格的四个正方形图标 */
#menu .windows-icon {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 3px;
    width: 24px;
    height: 24px;
}

#menu .windows-icon .square {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    transition: var(--transition-fast);
}

#menu:hover .windows-icon .square {
    background: var(--accent-color);
}

#menu.on {
    right: calc(var(--menu-width) + var(--spacing-sm));
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px) saturate(200%);
    -webkit-backdrop-filter: blur(20px) saturate(200%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 12px 32px 0 rgba(31, 38, 135, 0.6);
}

#menu.on .windows-icon .square {
    background: #fff;
}

/* ===== 中间导航窗口 ===== */
.navigation-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.navigation-modal.show {
    opacity: 1;
    visibility: visible;
}

.navigation-content {
    width: 90%;
    max-width: 1200px;
    max-height: 80vh;
    background: var(--glass-light);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-light-border);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s ease;
    overflow: hidden;
}

.navigation-modal.show .navigation-content {
    transform: scale(1) translateY(0);
}

.navigation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navigation-header h3 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 500;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
    opacity: 0.8;
}

.close-btn:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

.navigation-body {
    padding: var(--spacing-lg) var(--spacing-xl);
    max-height: calc(80vh - 80px);
    overflow-y: auto;
}

.navigation-body::-webkit-scrollbar {
    width: 6px;
}

.navigation-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.navigation-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.navigation-body::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 2999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* ===== 设置窗口 ===== */
.settings-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.settings-modal.show {
    opacity: 1;
    visibility: visible;
}

.settings-content {
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    background: var(--glass-light);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-light-border);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s ease;
    overflow: hidden;
}

.settings-modal.show .settings-content {
    transform: scale(1) translateY(0);
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.settings-header h3 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 500;
}

.settings-body {
    padding: var(--spacing-lg) var(--spacing-xl);
    max-height: calc(80vh - 80px);
    overflow-y: auto;
}

.settings-body::-webkit-scrollbar {
    width: 6px;
}

.settings-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.settings-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.settings-body::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.settings-section {
    margin-bottom: var(--spacing-xl);
}

.settings-section h4 {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--text-color);
    font-size: 1.125rem;
    font-weight: 600;
}

.radio-group {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-color);
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: var(--glass-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-light-border);
    transition: var(--transition-normal);
}

.radio-group label:hover {
    background: var(--glass-light-hover);
    border: 1px solid var(--glass-light-border-hover);
}

.radio-group input[type="radio"]:checked + span {
    color: var(--accent-color);
}

.radio-group input[type="radio"]:checked + label {
    background: var(--glass-light-hover);
    border: 1px solid var(--glass-light-border-hover);
}

#backgroundUrlInput {
    width: 100%;
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    border: 1px solid var(--glass-light-border);
    border-radius: var(--border-radius-md);
    background: var(--glass-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-color);
    font-size: 0.9rem;
}

#backgroundUrlInput:focus {
    outline: none;
    border: 1px solid var(--glass-light-border-hover);
    background: var(--glass-light-hover);
}

#uploadBackgroundBtn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    margin-top: var(--spacing-sm);
    transition: var(--transition-normal);
}

#uploadBackgroundBtn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.background-preview {
    width: 100%;
    height: 120px;
    border-radius: var(--border-radius-md);
    margin-top: var(--spacing-md);
    background-size: cover;
    background-position: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.settings-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.settings-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
    transition: var(--transition-normal);
    font-weight: 500;
}

.save-btn {
    background: var(--accent-color);
    color: white;
}

.save-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.reset-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.reset-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.version-info {
    cursor: pointer;
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    transition: var(--transition-normal);
}

.version-info:hover {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.version-info.loading {
    opacity: 0.7;
    pointer-events: none;
}

.version-info.loading::after {
    content: "";
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-left: var(--spacing-sm);
    border: 2px solid var(--text-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

#fileInput {
    display: none;
}

/* 设置窗口响应式设计 */
@media (max-width: 768px) {
    .settings-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .settings-header {
        padding: var(--spacing-md);
    }
    
    .settings-body {
        padding: var(--spacing-md);
        max-height: calc(90vh - 60px);
    }
    
    .radio-group {
        gap: var(--spacing-sm);
        flex-wrap: wrap;
    }
    
    .radio-group label {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.85rem;
        flex: 1;
        min-width: calc(50% - var(--spacing-xs));
        text-align: center;
        justify-content: center;
    }
    
    .settings-buttons {
        gap: var(--spacing-sm);
    }
    
    .settings-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
        flex: 1;
    }
}

@media (max-width: 480px) {
    .settings-content {
        width: 98%;
        max-height: 95vh;
    }
    
    .settings-header h3 {
        font-size: 1.25rem;
    }
    
    .settings-section h4 {
        font-size: 1rem;
    }
}

/* 导航菜单网格布局 */
#navigation-menu {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    padding: 0;
    margin: 0;
    list-style: none;
}

#navigation-menu .title {
    grid-column: 1 / -1;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

#navigation-menu li {
    display: flex;
    align-items: center;
}

#navigation-menu a {
    display: flex;
    align-items: center;
    width: 100%;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: var(--glass-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-light-border);
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition-normal);
    font-size: 0.9rem;
}

#navigation-menu a:hover {
    background: var(--glass-light-hover);
    border: 1px solid var(--glass-light-border-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px 0 rgba(31, 38, 135, 0.37);
}

#navigation-menu a i {
    font-size: 1.25rem;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

/* 大屏幕优化 */
@media (min-width: 1400px) {
    #navigation-menu {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: var(--spacing-sm);
    }
    
    #navigation-menu a {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
    }
    
    #navigation-menu a i {
        font-size: 1.1rem;
        margin-right: var(--spacing-sm);
    }
}

@media (min-width: 1200px) and (max-width: 1399px) {
    #navigation-menu {
        grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navigation-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .navigation-header {
        padding: var(--spacing-md);
    }
    
    .navigation-body {
        padding: var(--spacing-md);
        max-height: calc(90vh - 60px);
    }
    
    #navigation-menu {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .navigation-content {
        width: 98%;
        max-height: 95vh;
    }
    
    #navigation-menu {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .navigation-header h3 {
        font-size: 1.25rem;
    }
    
    #navigation-menu a {
        padding: var(--spacing-sm);
        font-size: 0.85rem;
    }
    
    #navigation-menu a i {
        font-size: 1.1rem;
        margin-right: var(--spacing-sm);
    }
}


/* ===== 搜索组件 ===== */
#search {
    width: var(--search-width);
    margin: 56px auto 14px;
    position: absolute;
    z-index: 99;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#search form {
    position: relative;
}

#search-text {
    color: var(--text-color);
    width: 100%;
    height: var(--input-height);
    font-size: 1rem;
    border: 0;
    border-radius: var(--border-radius-lg);
    background-color: var(--glass-light);
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    border: 1px solid var(--glass-light-border);
    text-indent: 50px;
    transition: var(--transition-normal);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

#search-text:hover {
    background-color: var(--glass-light-hover);
    border: 1px solid var(--glass-light-border-hover);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.5);
}

#search-text:focus {
    color: #fff;
    background-color: var(--glass-light-hover);
    border: 1px solid var(--glass-light-border-hover);
    box-shadow: 0 12px 32px 0 rgba(31, 38, 135, 0.6);
    backdrop-filter: blur(20px) saturate(200%);
    -webkit-backdrop-filter: blur(20px) saturate(200%);
}

#search-text:focus::placeholder {
    color: #666;
}

#search button {
    position: absolute;
    top: 0;
    left: 0;
    background: none;
    border: 0;
    width: 30px;
    height: var(--button-size);
    margin: 7px 9pt 0;
    line-height: var(--button-size);
    border-radius: var(--border-radius-md);
    cursor: pointer;
}

#search button i {
    color: var(--text-color);
    font-size: 1.125rem;
    transition: var(--transition-normal);
}

#search-text:focus ~ button i {
    color: #fff;
}

/* ===== 搜索类型和下拉菜单 ===== */
.search-group {
    display: none;
    padding-left: 75px;
}

.s-current .search-type {
    padding-left: 0;
    display: block;
}

.s-current {
    display: block;
}

#search-list {
    position: relative;
}

.s-type {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 13;
    width: 75px;
}

.s-type:hover {
    height: auto;
}

.s-type>span {
    display: block;
    height: 31px;
    width: 75px;
}

.s-type-list {
    display: none;
    position: absolute;
    top: 31px;
    width: 70px;
    background: var(--glass-light);
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    border-radius: var(--border-radius-md);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    border: 1px solid var(--glass-light-border);
    padding: 9pt 0;
}

.s-type-list label {
    color: #fff;
    display: block;
    font-size: 0.9375rem;
    text-align: center;
    padding: 2px 0;
}

.s-type-list label:hover {
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.1);
}

.s-type:hover .s-type-list {
    display: block;
    padding-top: 8px;
}

.type-text {
    position: absolute;
    left: 0;
    width: 75px;
    padding-left: 9pt;
    font-size: 1rem;
    line-height: 31px;
}

.type-text:after {
    content: "\f078";
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin: 0 0 0 10px;
}

.search-type {
    white-space: nowrap;
    margin: 0;
}

.search-type li {
    display: inline-block;
    list-style: none;
}

.search-type li label {
    display: inline-block;
    padding: 0 11px;
    font-size: 0.875rem;
    line-height: 31px;
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
    cursor: pointer;
    margin: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin: 2px;
    transition: var(--transition-normal);
}

.search-type input:checked+label,
.search-type input:hover+label {
    background-color: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 16px 0 rgba(31, 38, 135, 0.37);
}

#search-text:focus ~ .search-type label {
    color: var(--text-color);
}

/* ===== 搜索建议下拉框 ===== */
.ko {
    background-color: var(--glass-light);
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
    border: 1px solid var(--glass-light-border);
    border-top: none;
    display: none;
    top: var(--spacing-sm);
    position: relative;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.ko .wei {
    color: #fff;
    list-style: none;
    position: relative;
    text-indent: var(--spacing-sm);
    cursor: pointer;
}

.ko .wei:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.ko .wei .a {
    color: #fff;
    display: inline-block;
    width: 90%;
    height: 27px;
    line-height: 30px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.wei:hover {
    background: rgba(240, 240, 240, 0.3);
}

/* ===== 错误提示样式 ===== */
#search-error-message {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--error-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
    display: none;
}

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

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    :root {
        --search-width: 600px;
        --menu-width: 300px;
    }
}

@media (max-width: 768px) {
    :root {
        --search-width: 90%;
        --menu-width: 227px;
        --spacing-lg: 10px;
    }
    
    #search {
        width: var(--search-width);
    }
    
    .search-type {
        overflow: auto;
    }
    
    .search-list {
        height: 30px;
        overflow-y: hidden;
        overflow-x: scroll;
        white-space: nowrap;
    }
    
    .list {
        width: var(--menu-width);
    }
    
    .list ul {
        width: calc(var(--menu-width) - var(--spacing-lg));
        grid-template-columns: repeat(2, 1fr);
    }
    
    #menu {
        top: var(--spacing-xs);
    }
    
    #settings-btn {
        top: var(--spacing-xs);
    }
    
    #menu.on {
        right: calc(var(--menu-width) + var(--spacing-sm));
    }
    
    .bgo {
        background: var();
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    .logo {
        width: 35%;
    }
    
    .ko {
        height: 158px;
        overflow-y: auto;
    }
}

@media (max-width: 480px) {
    :root {
        --search-width: 95%;
        --menu-width: 280px;
        --spacing-lg: 8px;
        --spacing-md: 10px;
        --spacing-sm: 6px;
    }
    
    .list {
        width: 100%;
        max-width: var(--menu-width);
        padding: 0 var(--spacing-md);
    }
    
    .list ul {
        grid-template-columns: 1fr;
        width: 100%;
        gap: var(--spacing-sm);
    }
    
    .list ul li a {
        font-size: 0.7rem;
        padding: 0 var(--spacing-sm);
    }
    
    #search-text {
        font-size: 16px; /* 防止iOS缩放 */
    }
    
    /* 确保窄宽度下导航栏可以滚动 */
    .list {
        overflow-x: hidden;
        overflow-y: auto;
    }
}

/* ===== 辅助类 ===== */
.logo {
    position: absolute;
    z-index: 99;
    top: 93%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    opacity: 0.9;
}

.set-check {
    margin-top: var(--spacing-md);
    font-size: 9pt;
}

.set-check label {
    margin-left: var(--spacing-md);
}

.set-check input,
.set-check label {
    opacity: 0;
    transition: var(--transition-normal);
}

.fa-2x {
    padding-top: var(--spacing-lg);
    font-size: 1.5em;
}

/* 输入框焦点状态 */
#search.input-focus #search-text {
    color: #fff;
    background-color: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

#search.input-focus button i {
    color: #fff;
}

#search.input-focus .search-type label {
    color: #fff;
}

#search.input-focus .type-text {
    color: #fff;
}

#search.input-focus .search-type input:checked+label,
#search.input-focus .search-type input:hover+label {
    background-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}

/* 占位符样式 */
input::-webkit-input-placeholder {
    color: var(--text-color);
}

input::-moz-placeholder {
    color: var(--text-color);
}

input:-ms-input-placeholder {
    color: var(--text-color);
}

input:-moz-placeholder {
    color: var(--text-color);
}