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

:root {
    --primary-bg: #f5f7fa;
    --card-bg: #ffffff;
    --text-primary: #333;
    --text-secondary: #666;
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --primary-color: #4dabf7;  /* 主色调 */
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: var(--text-primary);
    min-height: 100vh;
    margin: 0;
    position: relative;
}

/* 当背景图加载完成后通过 JavaScript 添加这个类 */
body.bg-loaded {
    background: url('https://source.unsplash.com/1920x1080/?nature,water') no-repeat center center fixed;
    background-size: cover;
}

/* 添加一个遮罩层让内容更清晰 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    z-index: -1;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px;
}

/* 搜索栏样式 */
.search-container {
    margin: 40px 0;
}

.search-box {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    max-width: 720px;
    margin: 0 auto;
}

.search-box i {
    color: var(--text-secondary);
    margin-right: 12px;
}

.search-box input {
    flex: 1;
    border: none;
    outline: none;
    padding: 8px 16px;
    font-size: 16px;
    background: transparent;
    color: var(--text-primary);
}

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

/* 网站导航区样式 */
.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.site-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 8px 32px 0 rgba(31, 38, 135, 0.15),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 20px;
}

.site-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    margin-bottom: 16px;
}

.site-header i {
    color: var(--text-secondary);
}

.site-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 16px;
}

.site-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    padding: 12px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.site-item:hover {
    background: rgba(0, 0, 0, 0.03);
    transform: translateY(-2px);
}

.site-item img {
    width: 20px;
    height: 20px;
    object-fit: contain;
    border-radius: 4px;
}

.site-item i {
    font-size: 24px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    background-color: white;
    border-radius: 4px;
    padding: 2px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.site-item:hover i {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* 深色模式 */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-bg: #1a1a1a;
        --card-bg: #2d2d2d;
        --text-primary: #ffffff;
        --text-secondary: #999999;
    }

    .site-item:hover {
        background: rgba(255, 255, 255, 0.05);
    }
}

/* 响应式布局 */
@media (max-width: 768px) {
    .container {
        padding: 12px;
    }

    .sites-grid {
        grid-template-columns: 1fr;
    }

    .site-content {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }

    .bottom-bar {
        padding: 15px;
        margin: 20px auto 0;
    }

    .copyright-bar {
        padding: 10px;
        width: calc(100% - 20px);
        margin: 15px auto 20px;
    }

    .info-row {
        flex-direction: column;
        gap: 15px;
    }

    .quote-widget {
        order: 2;
    }

    .ai-chat-container {
        width: calc(100% - 20px);
        margin: 20px auto 15px;
    }

    .input-group {
        flex-direction: column;
    }
    
    .input-group input,
    .input-group select,
    .input-group button {
        width: 100%;
    }
}

/* 天气预报栏样式 */
.weather-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    padding: 10px 20px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.weather-container {
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.weather-header {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    white-space: nowrap;
}

.weather-header i {
    color: #4dabf7;
    font-size: 0.9em;
}

.weather-content {
    display: flex;
    flex: 1;
    justify-content: space-around;
    gap: 15px;
}

.weather-item {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 15px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
    min-width: 200px;
}

.weather-item:hover {
    background: rgba(255, 255, 255, 0.8);
}

.weather-item .date {
    font-size: 0.9em;
    color: var(--text-secondary);
}

.weather-item .weather {
    display: flex;
    align-items: center;
    gap: 8px;
}

.weather-item .weather i {
    font-size: 1.2em;
    color: #ffd43b;
}

.weather-item .weather .text {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.weather-item .temp {
    display: flex;
    gap: 8px;
    color: var(--text-primary);
    font-size: 0.9em;
}

.weather-item .temp .low {
    color: var(--text-secondary);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .weather-container {
        flex-direction: column;
        gap: 10px;
    }
    
    .weather-content {
        flex-direction: column;
        width: 100%;
    }
    
    .weather-item {
        padding: 8px 12px;
        min-width: unset;
    }
}

/* 底部信息栏样式 */
.bottom-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 8px 32px 0 rgba(31, 38, 135, 0.15),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    width: calc(100% - 40px);
    max-width: 1400px;
    margin: 40px auto 0;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 15px;
}

/* 名言样式 */
.quote-widget {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    max-width: 400px;
    text-align: center;
    margin: 0 20px;
}

.quote-widget i {
    font-size: 12px;
    opacity: 0.7;
}

#quote {
    font-style: italic;
}

/* 版权信息区块 */
.copyright-bar {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-top: 20px;
    box-shadow: var(--shadow);
    width: 100%;
    text-align: center;
}

.copyright-bar span,
.copyright-bar a {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.copyright-bar a {
    text-decoration: none;
    margin-left: 10px;
    transition: var(--transition);
}

.copyright-bar a:hover {
    color: var(--text-primary);
}

/* 时钟组件样式 */
.clock-widget {
    text-align: right;
}

#time {
    font-size: 24px;
    font-weight: 500;
    color: var(--text-primary);
}

#date, .lunar-date {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* 像素尺寸转换工具样式 */
.pixel-converter {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 25px;
    margin: 20px 0;
    box-shadow: var(--shadow);
}

.converter-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    margin-bottom: 25px;
}

.converter-header i {
    color: #4dabf7;
    font-size: 1.2em;
}

.converter-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.converter-section {
    background: rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    padding: 20px;
}

.converter-section h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.1em;
    font-weight: 500;
}

.input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.input-group input,
.input-group select {
    padding: 10px 15px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    outline: none;
    font-size: 14px;
    background: white;
    transition: var(--transition);
}

.input-group input:focus,
.input-group select:focus {
    border-color: #4dabf7;
    box-shadow: 0 0 0 2px rgba(77, 171, 247, 0.1);
}

.input-group input {
    flex: 1;
}

.input-group select {
    min-width: 120px;
}

.input-group button {
    padding: 10px 20px;
    background: #4dabf7;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.input-group button:hover {
    background: #3d96db;
    transform: translateY(-1px);
}

.result {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.result span {
    background: rgba(77, 171, 247, 0.1);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .converter-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .input-group input,
    .input-group select,
    .input-group button {
        width: 100%;
    }
    
    .result {
        flex-direction: column;
    }
    
    .result span {
        text-align: center;
    }
}

/* 工具行布局 */
.tools-row {
    display: flex;
    gap: 20px;
    margin: 20px 0;
}

.qrcode-generator,
.random-generator {
    flex: 1;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

/* 二维码生成工具样式 */
.qrcode-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.qrcode-result {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
}

#qrcodeCanvas {
    min-height: 128px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-btn {
    padding: 10px 20px;
    background: #4dabf7;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.download-btn:hover {
    background: #3d96db;
}

/* 随机生成器样式 */
.random-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.random-content .input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 15px;
}

/* 随机数生成器样式 */
.random-content {
    margin-top: 20px;
}

.random-content .input-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.checkbox-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

/* 随机结果样式 */
.random-result {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

.random-result input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: monospace;
    font-size: 16px;
    background: #f8f9fa;
    color: var(--text-primary);
    transition: var(--transition);
}

.random-result .copy-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
    font-size: 14px;
}

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

.random-result .copy-btn i {
    font-size: 14px;
}

.copy-btn,
.generate-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.copy-btn:hover,
.generate-btn:hover {
    opacity: 0.9;
}

@media (max-width: 768px) {
    .tools-row {
        flex-direction: column;
    }
    
    .random-result {
        flex-wrap: wrap;
    }
    
    .copy-btn,
    .generate-btn {
        flex: 1;
        justify-content: center;
    }
}

/* 滑动条组样式 */
.slider-group {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
}

.slider-value {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 滑动条样式 */
.slider {
    flex: 1;
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    background: #ddd;
    border-radius: 4px;
    outline: none;
    margin: 0;
    padding: 0;
    cursor: pointer;
}

/* 滑动条已滑动部分的颜色 */
.slider::-webkit-slider-runnable-track {
    -webkit-appearance: none;
    background: linear-gradient(to right, var(--primary-color) 0%, var(--primary-color) var(--slider-percentage), #ddd var(--slider-percentage), #ddd 100%);
    border-radius: 4px;
    height: 8px;
}

.slider::-moz-range-track {
    background: linear-gradient(to right, var(--primary-color) 0%, var(--primary-color) var(--slider-percentage), #ddd var(--slider-percentage), #ddd 100%);
    border-radius: 4px;
    height: 8px;
}

/* 滑块样式 */
.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #fff;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    margin-top: -6px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #fff;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* 滑块悬浮效果 */
.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    background: var(--primary-color);  /* 悬浮时变为主色背景 */
    border-color: var(--primary-color);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.1);
    background: var(--primary-color);  /* 悬浮时变为主色背景 */
    border-color: var(--primary-color);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
}

/* 滑动条轨道悬浮效果 */
.slider:hover {
    background: #ccc;
}

/* 翻译工具样式 */
.translate-tool {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 25px;
    margin: 20px 0;
    box-shadow: var(--shadow);
}

.translate-content {
    margin-top: 20px;
    display: flex;
    gap: 25px;
    align-items: stretch;
    min-height: 200px;
}

.translate-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.translate-header {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lang-select {
    width: 110px;
    padding: 8px 12px;
    border: 1px solid #eaeaea;
    border-radius: 6px;
    background: #f8f9fa;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}

.lang-select:hover {
    border-color: var(--primary-color);
    background: white;
}

.lang-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(77, 171, 247, 0.1);
    background: white;
}

.translate-area textarea {
    flex: 1;
    width: 100%;
    padding: 12px;
    border: 1px solid #eaeaea;
    border-radius: 6px;
    resize: none;
    font-size: 15px;
    line-height: 1.6;
    background: #f8f9fa;
    transition: var(--transition);
    min-height: 120px;
}

.translate-area textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(77, 171, 247, 0.1);
    background: white;
}

.translate-area textarea:read-only {
    background: #f8f9fa;
    cursor: default;
    color: var(--text-secondary);
}

.translate-area textarea::placeholder {
    color: #999;
}

.translate-btn {
    align-self: center;
    padding: 12px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(77, 171, 247, 0.2);
}

.translate-btn:hover {
    transform: rotate(180deg) scale(1.1);
    background: #3d96db;
    box-shadow: 0 6px 16px rgba(77, 171, 247, 0.3);
}

.translate-btn i {
    font-size: 20px;
}

.copy-translate-btn {
    padding: 8px 16px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
}

.copy-translate-btn:hover {
    background: #3d96db;
    transform: translateY(-1px);
}

.copy-translate-btn i {
    font-size: 14px;
}

@media (max-width: 768px) {
    .translate-tool {
        padding: 20px;
    }

    .translate-content {
        flex-direction: column;
        gap: 15px;
        min-height: auto;
    }
    
    .translate-area {
        padding: 12px;
    }
    
    .translate-btn {
        transform: rotate(90deg);
        margin: 5px 0;
        width: 40px;
        height: 40px;
    }
    
    .translate-btn:hover {
        transform: rotate(270deg) scale(1.1);
    }
    
    .translate-area textarea {
        min-height: 100px;
    }
    
    .translate-header {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .copy-translate-btn {
        padding: 6px 12px;
        font-size: 13px;
    }
}