:root {
    --primary-color: #3366FF;
    --secondary-color: #254EDB;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --border-color: #e0e0e0;
    --transition: all 0.3s ease;
    --bg-color: #fff;
    --bg-secondary: #f5f5f5;
    --text-secondary: #666;
    --header-bg: #fff;
    --header-bg-80: rgba(255, 255, 255, 0.7);
    --bg-color-50: #f5f5f580;
    --bg-color-80: #00000010;
    --border-color-10: #40404019;
    --hover-bg: var(--header-bg-80);
    --primary-color-10: #2196f319;
    --green-color: #70D62C;
    --orange-color: #FF9933;
    --red-color: #FF4621;
    --skyblue-color: #36daed;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-color: #e0e0e0;
    --text-secondary: #aaa;
    --border-color: #404040;
    --header-bg: #2d2d2d;
    --card-hover-bg: #363636;
    --header-bg-80: rgba(45, 45, 45, 0.7);
    --bg-color-50: #2d2d2d80;
    --border-color-10: #ffffff19;
    --hover-bg: var(--header-bg-80);
    --primary-color-10: #2196f319;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: url('../public/images/bg.png') top center/100% auto no-repeat;
    background-color: var(--bg-color);
    height: 100%;
    margin: 0;
}

a {
    text-decoration: none;
    color: var(--text-color);
}

.iconify {
    width: 24px;
    height: 24px;
    vertical-align: middle;
    color: var(--text-color);
}

.tools-nav .tab-btn .iconify {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.tools-nav .tab-btn.active .iconify {
    color: white;
}

.tools-nav .tab-btn:hover .iconify {
    color: var(--primary-color);
}

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

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1 0 auto;
}

.header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: transparent;
    transition: background-color 0.3s ease;
}

.header.scrolled {
    background: var(--header-bg-80);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.01);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    gap: 20px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 30px;
}

.logo {
    background: url('../public/images/logo.png') center/contain no-repeat;
    width: 36px;
    height: 36px;
}

.nav-links {
    display: flex;
    gap: 16px;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    transition: var(--transition);
    font-size: 0.95rem;
}

.nav-link:hover {
    background: var(--hover-bg);
    color: var(--text-color);
}

/* 添加主题标签样式 */
.theme-toggle-container {
    display: flex;
    /* 使用 flex 布局 */
    align-items: center;
    /* 垂直居中对齐 */
}

.theme-label {
    margin-right: 24px;
    /* 按钮与文字之间的间距 */
    font-size: 14px;
    /* 字体大小 */
    color: var(--text-color);
    /* 使用主题颜色 */
}

/* 移除原有的图标样式 */
#darkMode .icon {
    display: none;
}

.hero,
.tool-page-hero {
    padding: 100px 0 60px;
    text-align: center;

    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.hero::before,
.tool-page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.hero .container,
.tool-page-hero .container {
    position: relative;
    z-index: 2;
    text-shadow: 0 1px 3px #00000019;
}

.hero h1,
.tool-page-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.hero p,
.tool-page-hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.tools-section {
    padding: 60px 0;
    min-height: 400px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.tool-card {
    background: var(--bg-color-50);
    border-radius: 12px;
    padding: 24px;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 180px;
    border: 1px solid var(--border-color-10);
    position: relative;
    overflow: hidden;
}

.tool-card:hover {
    transform: translateY(-2px);
}

.tool-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    padding: 8px;
    border-radius: 8px;
    border: none;
    transition: var(--transition);
    overflow: hidden;
}

.tool-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}

.tool-icon svg {
    width: 100%;
    height: 100%;
    fill: var(--text-color);
}

.tool-content-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.tool-content {
    flex: 1;
    min-width: 0;
}

.tool-card h4 {
    margin-bottom: 8px;
    font-size: 1.2rem;
    color: var(--text-color);
    font-weight: 500;
}

.tool-card p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    max-height: 3.2em;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tool-card .enter-btn {
    width: 100%;
    padding: 12px 0;
    text-align: center;
    border-top: 1px solid var(--border-color-10);
    background: none;
    color: var(--text-color);
    font-size: 0.95rem;
    position: absolute;
    bottom: 0;
    left: 0;
}

.category {
    display: none;
    animation: fadeIn 0.3s ease;
    margin-bottom: 40px;
}

.category.active {
    display: block;
}

.category h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.theme-toggle {
    margin-left: auto;
    background: none;
    border: none;
    padding: 8px;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--hover-bg);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.footer {
    flex-shrink: 0;
    background: var(--bg-color);
    padding: 20px 0;
    margin-top: auto;
    font-size: 0.8rem;
    text-align: left;
}

.footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 8px;
    text-align: left;
}

.footer-right {
    display: flex;
    gap: 20px;
    text-align: left;
}

.footer-right a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-right a:hover {
    color: var(--text-color);
}

/* 移除所有可能的居中对齐 */
.footer *,
.footer a,
.footer span {
    text-align: left;
}

/* 工具页面样式 */
.tool-page-hero {
    min-height: 300px;
}

.tool-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.tool-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.input-group,
.output-group {
    background: var(--bg-color-50);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color-10);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.input-group h2,
.output-group h2 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

/* 按钮基础样式 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--bg-secondary);
    color: var(--text-color);
    text-align: center;
}

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

.btn:hover {
    background: var(--bg-color-80);
}

.btn-primary:hover {
    background: var(--secondary-color);
}

.btn:disabled {
    background: var(--bg-color-50);
    color: var(--text-secondary);
    cursor: not-allowed;
}

/* 按钮组基础样式 */
.btn-group {
    display: flex;
    width: 100%;
    gap: 20px;
    margin: 20px 0;
}

.btn-group .btn {
    flex: 1;
}

/* 选项区域样式 */
.options-area {
    background: var(--bg-color-50);
    border-radius: 12px;
    padding: 16px 24px;
    margin-bottom: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    border: 1px solid var(--border-color-10);
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-wrapper input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.checkbox-wrapper input[type="checkbox"]:checked {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-wrapper input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-wrapper input[type="checkbox"]:hover {
    border-color: var(--primary-color);
}

.checkbox-wrapper label {
    cursor: pointer;
    user-select: none;
    color: var(--text-color);
    font-size: 0.95rem;
}

/* 深色模式适配 */
[data-theme="dark"] .checkbox-wrapper input[type="checkbox"] {
    border-color: var(--border-color);
}

[data-theme="dark"] .checkbox-wrapper input[type="checkbox"]:hover {
    border-color: var(--primary-color);
}

/* Toast提示样式 */
.toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 1000;
}

.toast.show {
    opacity: 1;
}

/* 文件上传样式 */
.file-upload {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-color-50);
}

.file-upload:hover {
    border-color: var(--primary-color);
    background: var(--bg-color-50);
}

.file-upload input[type="file"] {
    display: none;
}

.file-upload.drag-over {
    border-color: var(--primary-color);
    background: var(--primary-color-10);
}

.file-upload p {
    margin: 0 0 8px;
    color: var(--text-color);
    font-size: 1.1rem;
}

.file-upload small {
    color: var(--text-secondary);
}

/* 工具说明区域通用样式 */
.tool-info {
    background: var(--bg-color-50);
    padding: 24px;
    border-radius: 12px;
    margin-top: 40px;
    border: 1px solid var(--border-color-10);
}

.tool-info h2 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--text-color);
}

.tool-info h3 {
    margin: 24px 0 12px;
    font-size: 1.2rem;
    color: var(--text-color);
}

.tool-info p {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.tool-info span {
    color: var(--primary-color);
    font-weight: 500;
}

.tool-info ul {
    list-style: none;
    padding: 0;
}

.tool-info li {
    margin-bottom: 8px;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
}

.tool-info li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* 表单通用样式 */
.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
}

/* 输入框和下拉框基础样式 */
.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 14px;
    transition: var(--transition);
}

/* 输入框焦点样式 */
.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: -1px;
}

/* 下拉框特殊样式 */
.input-group select {
    padding: 10px 30px 10px 10px;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 16px;
}

/* 深色模式下拉框箭头适配 */
[data-theme="dark"] .input-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23e0e0e0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

/* 输入框占位符样式 */
.input-group input::placeholder,
.input-group select::placeholder,
.input-group textarea::placeholder {
    color: var(--text-secondary);
}

/* 代码编辑器样式 */
textarea {
    width: 100%;
    min-height: 500px;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-family: monospace;
    font-size: 14px;
    resize: vertical;
    background: var(--bg-color);
    color: var(--text-color);
    flex: 1;
    outline: 2px solid transparent;
    transition: outline-color 0.3s ease;
}

textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 0;
}

/* 表单输入框样式 */
.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 14px;
    transition: var(--transition);
}

/* 表单组件间距 */
.form-group {
    margin-bottom: 16px;
}

.form-group:last-child {
    margin-bottom: 0;
}

/* 进制转换按钮样式 */
.base-btn {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 8px 12px;
    transition: all 0.3s ease;
}

.base-btn:hover {
    background: var(--hover-bg);
    border-color: var(--primary-color);
}

.base-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 搜索框样式优化 */
.search-container {
    max-width: 1180px;
    margin: 0 auto;
    position: relative;
}

.search-box {
    width: 100%;
    height: 64px;
    padding: 14px 48px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    color: var(--text-color);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color-10);
    background: var(--header-bg-80);
}

.search-box:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-color-10);
}

.search-box::placeholder {
    color: var(--text-secondary);
    opacity: 0.8;
}

/* 搜索图标和清除按钮共同样式 */
.search-icon,
.clear-search {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    fill: var(--text-color);
}

.search-icon {
    left: 16px;
    pointer-events: none;
}

.clear-search {
    right: 16px;
    cursor: pointer;
    display: none;
    background: none;
    border: none;
    padding: 0;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.clear-search:hover {
    opacity: 1;
}

.search-box:not(:placeholder-shown)+.clear-search {
    display: block;
}

/* 空状态样式 */
.empty-state {
    display: none;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    border-radius: 8px;
    margin: 20px auto;
    max-width: 600px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
    width: 100%;
    margin-top: 120px;
}

.empty-state.show {
    display: block;
}

.empty-state img {
    width: 200px;
    margin-bottom: 16px;
}

.empty-state h3 {
    margin: 0 0 8px;
    color: var(--text-color);
    font-size: 18px;
}

.empty-state p {
    margin: 0;
    font-size: 14px;
    color: var(--text-secondary);
}

/* 工具区域容器 */
.tools-section {
    position: relative;
    min-height: 400px;
}

/* 工具卡片动画 */
.tool-card {
    transition: all 0.3s ease;
}

.tool-card.hidden {
    display: none !important;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 隐藏元素 */
.hidden {
    display: none !important;
}

/* 复制按钮样式 */
.copy-btn {
    padding: 4px 8px;
    font-size: 0.8rem;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-secondary);
}

.copy-btn:hover {
    background: var(--bg-secondary);
}

/*关于*/
.about-section {
    margin-bottom: 40px;
}

.about-section h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.about-section p {
    margin-bottom: 16px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.feature-item {
    background: var(--bg-color-50);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color-10);
}

.feature-item h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--text-color);
}

.feature-item p {
    font-size: 0.9rem;
    margin: 0;
}

.contact-info {
    background: var(--bg-color-50);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color-10);
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
}

.contact-left {
    flex: 1;
}

.contact-right {
    text-align: center;
}

.qrcode {
    width: 100px;
    height: 100px;
    border-radius: var(--border-radius);
}

/* 响应式处理 */
@media (max-width: 768px) {
    .contact-info {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .contact-left {
        margin-bottom: 1.5rem;
    }
}

/* 工具超链接的样式 */
.hyper-link-card {
    margin-top: 8px;
    padding: 12px;
    background: var(--bg-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.hyper-link {
    display: flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    transition: opacity 0.2s;
}

.hyper-link:hover {
    opacity: 0.8;
}

.hyper-link .iconify {
    color: var(--primary-color);
    font-size: 16px;
    margin-right: 4px;
}

/* 浮动菜单样式 */
.float-menu {
    position: fixed;
    right: 20px;
    bottom: 200px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.float-menu-item {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color-10);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.float-menu-item:hover {
    transform: translateX(-5px);
    background: var(--primary-color);
}

.float-theme-toggle {
    width: 24px;
    height: 24px;
    border: none;
    background: none;
    color: var(--text-secondary);
    fill: var(--text-secondary);
    transition: all 0.3s ease;
    cursor: pointer;
}

.float-theme-toggle:hover {
    color: #fff;
    fill: #fff;
}

.float-menu-item .icon {
    width: 20px;
    height: 20px;
    fill: var(--text-secondary);
    transition: all 0.3s ease;
}

.float-menu-item:hover .icon {
    color: #fff;
    fill: #fff;
}

/* 工具提示 */
.float-menu-tooltip {
    position: absolute;
    right: 54px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-color);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
    border: 1px solid var(--border-color-10);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.float-menu-item:hover .float-menu-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-10px);
}

/* 弹出窗口 */
.float-menu-popup {
    position: absolute;
    right: 48px;
    top: 50%;
    transform: translateY(-50%);
    width: 200px;
    background: var(--bg-color);
    border-radius: 16px;
    border: 1px solid var(--border-color-10);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.float-menu-item:hover .float-menu-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-10px);
}

.popup-title {
    padding: 12px;
    font-size: 15px;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color-10);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.popup-title::before {
    content: '';
    display: block;
    width: 4px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 2px;
}

.popup-content {
    padding: 16px;
}

/* 联系按钮 */
.contact-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: 12px;
    color: var(--text-color);
    text-decoration: none;
    margin-bottom: 8px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.contact-btn:last-child {
    margin-bottom: 0;
}

.contact-btn:hover {
    background: var(--primary-color-10);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.contact-btn .btn-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* 二维码 */
.qr-code {
    width: 160px;
    height: 160px;
    display: block;
    margin: 0 auto 8px;
    border-radius: 16px;
    padding: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.qr-code:hover {
    transform: scale(1.02);
}

.qr-text {
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.qr-text::before,
.qr-text::after {
    content: '';
    display: block;
    width: 20px;
    height: 1px;
    background: var(--border-color);
}

/* 返回顶部按钮 */
#backToTop {
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

#backToTop.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top-btn .icon {
    width: 24px;
    height: 24px;
    color: var(--text-color);
    fill: var(--text-color);
    transition: all 0.3s ease;
}

/* 深色模式适配 */
[data-theme="dark"] .float-menu-item {
    background: var(--bg-secondary);
}

[data-theme="dark"] .float-menu-popup,
[data-theme="dark"] .float-menu-tooltip {
    background: var(--bg-secondary);
}

/* tools-nav 样式 */
.tools-nav {
    display: flex;
    justify-content: space-around;
    /* 平均分配空间 */
    padding: 16px 16px;
    /* 上下内边距 */
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.05);
    /* 添加阴影 */
    border-radius: 100px;
    /* 圆角 */
    margin-bottom: 60px;

}

.tools-nav .tab-btn {
    background: none;
    /* 无背景 */
    border: none;
    /* 无边框 */
    padding: 12px 16px;
    /* 内边距 */
    font-size: 1.1rem;
    /* 字体大小 */
    color: var(--text-color);
    /* 字体颜色 */
    cursor: pointer;
    /* 鼠标指针 */
    transition: background 0.2s, color 0.2s, transform 0.2s;
    /* 过渡效果 */
    display: flex;
    /* 使用 flex 布局 */
    align-items: center;
    /* 垂直居中 */
    border-radius: 100px;
    /* 圆角 */
}

.tools-nav .tab-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    /* 悬停背景 */
    color: var(--primary-color);
    /* 悬停字体颜色 */
    transform: translateY(-1px);
    /* 悬停时轻微上移 */
}

.tools-nav .tab-btn .iconify {
    width: 18px;
    height: 18px;
    color: var(--text-color);
    margin-left: 1px;
}

.tools-nav .tab-btn.active {
    color: var(--primary-color);
    /* 活动按钮字体颜色 */
    font-weight: bold;
    /* 加粗 */
}

.tools-nav .tab-btn.active .iconify {
    color: var(--primary-color);
    /* 活动按钮字体颜色 */
}

.tools-nav .tab-btn:hover .iconify {
    color: var(--primary-color);
    /* 活动按钮字体颜色 */
}


/* 移动端适配 */
@media (max-width: 768px) {
    .float-menu {
        display: none;
    }
}

@media (max-width: 768px) {
    .tools-nav {
        flex-direction: column;
        /* 垂直排列 */
        align-items: center;
        /* 居中对齐 */
    }

    .tools-nav .tab-btn {
        width: 100%;
        /* 按钮宽度100% */
        text-align: center;
        /* 文本居中 */
        margin-bottom: 10px;
        /* 按钮间距 */
    }
}

/* Dock 栏样式 */
.dock-container {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    padding: 8px;
    background: var(--header-bg-80);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color-10);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.dock {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 12px;
    padding: 4px;
}

.dock-item {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;

}

.dock-item:hover {
    transform: scale(1.2) translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.dock-item .iconify {
    width: 28px;
    height: 28px;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.dock-item:hover .iconify {
    color: var(--primary-color);
}

/* 外部链接样式 */
.dock-external {
    position: relative;
}

.dock-external::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 30px;
    background: var(--border-color-10);
    border-radius: 1px;
}

.dock-external .iconify {
    color: var(--orange-color);
}

.dock-external:hover .iconify {
    color: var(--orange-color);
    transform: scale(1.1);
}

/* Dock 工具提示 */
.dock-tooltip {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-color);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-color);
    white-space: nowrap;
    border: 1px solid var(--border-color-10);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1002;
    pointer-events: none;
}

.dock-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--bg-color);
}

.dock-item:hover .dock-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-5px);
}

/* 工具文件夹弹窗 */
.tool-folder {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    max-width: 90vw;
    max-height: 70vh;
    background: var(--bg-color);
    border-radius: 16px;
    border: 1px solid var(--border-color-10);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    overflow: hidden;
}

.tool-folder.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
}

.folder-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px 12px;
    border-bottom: 1px solid var(--border-color-10);
    background: var(--bg-secondary);
}

.folder-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.folder-close {
    background: none;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.folder-close:hover {
    background: var(--hover-bg);
    color: var(--text-color);
}

.folder-close svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.folder-content {
    padding: 20px;
    max-height: 50vh;
    overflow-y: auto;
}

.folder-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 12px;
}

.folder-tool-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.folder-tool-item:hover {
    background: var(--primary-color-10);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.folder-tool-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    flex-shrink: 0;
}

.folder-tool-icon .iconify {
    width: 24px;
    height: 24px;
    color: var(--text-color);
}

.folder-tool-info {
    flex: 1;
    min-width: 0;
}

.folder-tool-title {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 2px;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.folder-tool-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

/* 遮罩层 - 保留但不使用 */
.dock-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    display: none;
    /* 隐藏蒙层 */
}

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

/* 深色模式适配 */
[data-theme="dark"] .dock-container {
    background: var(--bg-secondary);
}

[data-theme="dark"] .tool-folder {
    background: var(--bg-color);
}

[data-theme="dark"] .folder-header {
    background: var(--bg-secondary);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .dock-container {
        bottom: 10px;
        left: 10px;
        right: 10px;
        transform: none;
        width: auto;
    }

    .dock {
        justify-content: space-around;
        gap: 6px;
        flex-wrap: wrap;
    }

    .dock-item {
        width: 40px;
        height: 40px;
    }

    .dock-item .iconify {
        width: 18px;
        height: 18px;
    }

    .dock-item:hover {
        transform: scale(1.1) translateY(-4px);
    }

    .dock-tooltip {
        bottom: 50px;
        font-size: 12px;
        padding: 6px 10px;
    }

    .dock-tooltip::after {
        border-width: 5px;
    }

    .tool-folder {
        bottom: 70px;
        left: 10px;
        right: 10px;
        width: auto;
        max-width: none;
        transform: translateY(20px) scale(0.95);
    }

    .tool-folder.show {
        transform: translateY(0) scale(1);
    }

    .folder-tools-grid {
        grid-template-columns: 1fr;
    }

    .folder-tool-item {
        padding: 10px;
    }

    .folder-tool-icon {
        width: 28px;
        height: 28px;
    }

    .folder-tool-icon .iconify {
        width: 16px;
        height: 16px;
    }

    .float-menu {
        display: none;
    }
}