/* 基础变量 */
:root {
    --primary-color: #1a73e8;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --text-muted: #6c757d;
    --background-main: #f8f9fa;
    --background-light: #e8f0fe;
    --background-hover: rgba(26, 115, 232, 0.1);
    --card-background: #ffffff;
    --input-background: #ffffff;
    --input-border: #dadce0;
    --input-focus-border: #1a73e8;
    --border-color: #dadce0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --checkbox-background: #ffffff;
    --checkbox-border: #dadce0;
    --transition: all 0.3s ease;
}

body {
    background-color: var(--background-main);
    color: var(--text-primary);
}

/* 文本颜色 */
.text-muted {
    color: var(--text-muted) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

/* 卡片样式 */
.card {
    background-color: var(--card-background);
    border-color: var(--border-color);
}

.card-header {
    background-color: var(--background-light);
    color: var(--text-primary);
    border-bottom-color: var(--border-color);
}

/* 输入框样式 */
.form-control, .input-group-text {
    background-color: var(--input-background);
    border-color: var(--input-border);
    color: var(--text-primary);
}

.form-control:focus {
    background-color: var(--input-background);
    border-color: var(--input-focus-border);
    color: var(--text-primary);
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
}

.input-group-text {
    background-color: var(--background-light);
}

/* 复选框样式 */
.custom-checkbox input[type="checkbox"] + .checkbox-content {
    background-color: var(--checkbox-background);
    border-color: var(--checkbox-border);
}

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

/* 按钮样式 */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    opacity: 0.9;
}

/* 结果区域 */
.result-item {
    background-color: var(--background-light);
    border-color: var(--border-color);
}

.result-item:hover {
    background-color: var(--background-hover);
}

/* 安全提示 */
.security-notice {
    color: var(--text-secondary);
}

/* 特性卡片 */
.feature-card {
    background-color: var(--card-background);
    border-color: var(--border-color);
}

.feature-card:hover {
    background-color: var(--background-hover);
}

/* 下拉菜单 */
.dropdown-menu {
    background-color: var(--card-background);
    border-color: var(--border-color);
}

.dropdown-item {
    color: var(--text-primary);
}

.dropdown-item:hover {
    background-color: var(--background-hover);
    color: var(--primary-color);
}

/* 使用说明样式 */
.usage-guide {
    padding: 3rem 0;
}

.intro-section {
    max-width: 800px;
    margin: 0 auto;
}

.intro-section .display-4 {
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-color), #2196f3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

.emoji {
    font-size: 2.5rem;
    margin-right: 0.5rem;
    vertical-align: middle;
}

/* 特性卡片样式 */
.feature-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 2rem;
    height: 100%;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.code-block {
    background: var(--background-light);
    padding: 1rem;
    border-radius: 8px;
    font-family: monospace;
    font-size: 1rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-desc {
    color: var(--secondary-color);
    margin-bottom: 0;
    line-height: 1.6;
}

/* 场景卡片样式 */
.scene-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 1.5rem;
    height: 100%;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.scene-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.scene-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.scene-card h4 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.scene-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.scene-card ul li {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.scene-card ul li:before {
    content: "→";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* 特色功能样式 */
.feature-item {
    background: #ffffff;
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    height: 100%;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-emoji {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-item p {
    color: var(--secondary-color);
    margin-bottom: 0;
}

/* 小贴士样式 */
.tip-card {
    background: #e3f2fd;
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: center;
    width: fit-content;
    margin: 0 auto;
}

.tip-icon {
    font-size: 2rem;
}

.tip-content {
    color: var(--secondary-color);
    font-size: 1.1rem;
}

/* 安全提示样式 */
.security-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.7);
    padding: 8px 16px;
    border-radius: 8px;
    margin: 1rem auto;
    max-width: fit-content;
    backdrop-filter: blur(4px);
}

.security-notice i {
    color: #34A853;
}

.security-notice span {
    color: rgba(0, 0, 0, 0.7);
    font-size: 0.9rem;
}

/* 页脚样式 */
.footer {
    background: #ffffff;
    border-top: 1px solid var(--border-color);
}

.footer h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .usage-guide {
        padding: 2rem 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .feature-card, .scene-card, .feature-item {
        padding: 1.25rem;
    }

    .feature-icon, .scene-icon, .feature-emoji {
        font-size: 2rem;
    }
}

/* 卡片样式 */
.card {
    border: none;
    border-radius: 16px;
    background: var(--card-background);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 20px rgba(0,0,0,.15);
}

/* 表单区域样式 */
.form-section {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 0;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
}

.card-header .fas {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.section-content {
    padding: 1rem 0;
}

/* 输入组样式 */
.input-group {
    margin-bottom: 1.5rem;
}

.input-group-text {
    background-color: white;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-left: none;
    padding: 0.75rem 1rem;
}

/* 复选框组样式 */
.custom-checkbox-group {
    display: grid;
    gap: 1rem;
    margin: 1rem 0;
}

/* 复选框样式调整 */
.custom-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-content {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
    background: white;
}

.checkbox-icon {
    width: 20px;
    height: 20px;
    min-width: 20px;
    border: 2px solid rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    background: white;
}

.checkbox-text {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--secondary-color);
}

.checkbox-text i {
    color: var(--primary-color);
    font-size: 1rem;
}

.custom-checkbox input[type="checkbox"] {
    display: none;
}

.custom-checkbox:hover .checkbox-icon {
    border-color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(26, 115, 232, 0.15);
}

.custom-checkbox input[type="checkbox"]:checked + .checkbox-content {
    background-color: rgba(26, 115, 232, 0.05);
}

.custom-checkbox input[type="checkbox"]:checked + .checkbox-content .checkbox-icon {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 2px 4px rgba(26, 115, 232, 0.2);
}

.custom-checkbox input[type="checkbox"]:checked + .checkbox-content .checkbox-text {
    color: var(--primary-color);
}

.checkbox-icon i {
    font-size: 12px;
    color: white;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.2s ease;
}

.custom-checkbox input[type="checkbox"]:checked + .checkbox-content .checkbox-icon i {
    opacity: 1;
    transform: scale(1);
}

/* 标签输入区域 */
.tag-input-section {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
}

/* 数量输入框 */
#generateCount {
    max-width: 200px;
    margin: 1rem 0;
}

/* 生成按钮 */
.btn-primary {
    margin-top: 1.5rem;
    padding: 1rem 2rem;
}

/* 表单验证样式 */
.was-validated .custom-input:invalid {
    border-color: #dc3545;
}

.was-validated .custom-input:invalid:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 4px rgba(220,53,69,.1);
}

.was-validated .custom-input:valid {
    border-color: #198754;
}

.was-validated .custom-input:valid:focus {
    border-color: #198754;
    box-shadow: 0 0 0 4px rgba(25,135,84,.1);
}

.card-title {
    color: #2c3e50;
    font-weight: 600;
}

.form-control {
    border: 1px solid #e2e8f0;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border-radius: 8px;
}

.form-control-lg {
    font-size: 1.1rem;
    padding: 1rem 1.25rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(26, 115, 232, 0.15);
}

.input-group-text {
    background-color: #f8f9fa;
    border: 1px solid #e2e8f0;
    color: #64748b;
    font-weight: 500;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.input-group .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.form-check {
    margin-bottom: 0.5rem;
    padding-left: 1.8rem;
}

.form-check-input {
    width: 1.2em;
    height: 1.2em;
    margin-left: -1.8rem;
    border: 2px solid #cbd5e1;
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-label {
    color: #475569;
    font-weight: 500;
    cursor: pointer;
    padding-left: 0.5rem;
}

.list-group-item {
    border: 1px solid rgba(0, 0, 0, 0.125);
    margin-bottom: 0.5rem;
    border-radius: 8px !important;
    transition: all 0.3s ease;
}

.list-group-item:hover {
    background-color: #f8f9fa;
    transform: translateX(5px);
}

.copy-btn {
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.copy-btn:hover {
    opacity: 1;
}

#tagOptions .card {
    background-color: #f8fafc;
    box-shadow: none;
}

#tagOptions .form-control {
    background-color: white;
}

.tag-length-input .form-control {
    width: 80px;
    text-align: center;
    padding: 0.5rem;
}

.tag-length-input .form-label {
    color: #6c757d;
    margin-bottom: 0.25rem;
}

#tagOptions .form-check {
    display: flex;
    align-items: center;
    height: 100%;
    margin-top: 1.5rem;
}

/* 标签选项布局调整 */
.char-type-options {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tag-options-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: nowrap;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

.tag-length-wrapper {
    margin-left: auto;
    width: 120px;
}

.tag-length-wrapper input {
    text-align: center;
    font-weight: 500;
    height: 45px;
}

/* 复选框水平布局 */
.char-type-options .custom-checkbox {
    margin: 0;
    flex-shrink: 0;
}

.char-type-options .checkbox-content {
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 6px;
    padding: 8px 12px;
    transition: all 0.2s ease;
}

.char-type-options .checkbox-content:hover {
    background-color: rgba(26, 115, 232, 0.05);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .tag-options-row {
        flex-direction: column;
        gap: 1rem;
        height: auto;
    }

    .tag-option {
        width: 100%;
    }

    .tag-length-input {
        width: 100%;
        justify-content: flex-start;
        margin-top: 1rem;
    }

    .tag-length-input .form-control-sm {
        width: 100%;
    }
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 1rem 2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 6px rgba(26, 115, 232, 0.12);
}

.btn-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 6px 8px rgba(26, 115, 232, 0.15);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.fas {
    color: #64748b;
}

.text-primary .fas {
    color: var(--primary-color);
}

.fa-envelope-open-text {
    color: var(--primary-color);
}

footer {
    margin-top: 3rem;
    padding: 1rem 0;
    color: #6c757d;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#results {
    animation: fadeIn 0.5s ease;
}

@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }
    
    .tag-length-input .form-control {
        width: 100%;
    }
    
    .form-check {
        margin-bottom: 1rem;
    }
    
    .tag-length-input {
        margin-top: 0.5rem;
    }
    
    .tag-length-input .form-control-sm {
        width: 100%;
    }
}

/* 结果区域样式 */
.result-section {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.result-header {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.result-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-action {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 8px;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
    transition: var(--transition);
}

.btn-action:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.btn-action:active {
    transform: translateY(0);
}

.result-content {
    padding: 1.25rem;
    max-height: 500px;
    overflow-y: auto;
}

.result-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--background-light);
    border-radius: 8px;
    transition: var(--transition);
}

.result-item:hover {
    background: #f0f0f0;
}

.result-email {
    font-family: monospace;
    font-size: 1rem;
    color: var(--secondary-color);
}

.result-copy {
    padding: 0.25rem 0.5rem;
    font-size: 0.85rem;
    color: var(--primary-color);
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.result-copy:hover {
    background-color: rgba(26,115,232,.1);
}

/* 滚动条美化 */
.result-content::-webkit-scrollbar {
    width: 8px;
}

.result-content::-webkit-scrollbar-track {
    background: var(--background-light);
    border-radius: 4px;
}

.result-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.result-content::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .result-header {
        flex-direction: column;
        gap: 1rem;
    }

    .result-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .btn-action {
        flex: 1;
        text-align: center;
        white-space: nowrap;
    }
}

/* 使用说明样式 */
.usage-guide {
    padding: 2rem 0;
}

.guide-section {
    margin-bottom: 3rem;
}

.guide-title {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.rule-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.rule-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.rule-card h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.code-example {
    background: var(--background-light);
    padding: 1rem;
    border-radius: 8px;
    font-family: monospace;
    font-size: 1rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.rule-desc {
    color: var(--secondary-color);
    margin-bottom: 0;
}

.usage-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 1.5rem;
    height: 100%;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.usage-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.usage-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.usage-card h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.usage-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    color: var(--secondary-color);
}

.usage-card ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.usage-card ul li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

.footer {
    background: #ffffff !important;
    border-top: 1px solid var(--border-color);
}

.footer p {
    font-size: 1rem;
}

/* 动画效果 */
.rule-card, .usage-card {
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .usage-guide {
        padding: 1rem 0;
    }

    .guide-title {
        font-size: 1.5rem;
    }

    .rule-card, .usage-card {
        padding: 1rem;
    }

    .usage-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
}

/* 图标样式调整 */
.card-header .fas,
.section-title .fas,
.input-group-text .fas {
    color: var(--primary-color);
    background: none;  /* 移除背景色 */
    padding: 0;  /* 移除内边距 */
    border-radius: 0;  /* 移除圆角 */
    width: auto;  /* 自动宽度 */
    height: auto;  /* 自动高度 */
}

.card-header,
.section-title,
.input-group-text {
    background: white;  /* 设置白色背景 */
    border: none;  /* 移除边框 */
}

.input-group-text {
    background-color: white;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-left: none;
}

/* 标签选项区域样式 */
#tagOptions {
    width: 100%;
    display: flex;
    justify-content: center;
}

.tag-options-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: nowrap;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.custom-checkbox {
    flex: 0 0 auto;
    white-space: nowrap;
}

.tag-length-input {
    flex: 0 0 80px;
    width: 80px;
}

.custom-tag-input {
    flex: 0 1 auto;
    min-width: fit-content;
}

.custom-tag-input input[type="text"] {
    width: auto;
    min-width: 350px; /* 增加最小宽度 */
}

/* 确保输入框样式统一 */
.tag-options-row input[type="number"],
.tag-options-row input[type="text"] {
    height: 38px;
    padding: 0.375rem 0.75rem;
}

/* 按钮样式 */
.btn-icon {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    color: var(--text-primary);
    background: transparent;
    border: none;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 0.95rem;
}

.btn-icon:hover {
    background-color: var(--background-light);
    transform: translateY(-1px);
}

.btn-icon i {
    font-size: 1.1rem;
}

.btn-icon.dropdown-toggle::after {
    margin-left: 0.5rem;
}

/* 生成数量样式 */
.generate-count-row {
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    margin: 0 auto;
    max-width: 400px;
}

.generate-count-label {
    font-size: 1.1rem;
    color: var(--secondary-color);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.generate-count-label i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.generate-count-input {
    width: 100px;
}

.generate-count-input input {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 0.5rem;
    height: 42px;
    background-color: white;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
}

.generate-count-input input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

/* 主题切换按钮 */
.theme-toggle {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--text-primary);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    opacity: 1;
    transform: scale(1.1);
}

.theme-toggle i {
    font-size: 1.2rem;
}

/* 设置按钮样式 */
#settingsBtn {
    margin-left: 0.5rem;
}

/* 右侧按钮组 */
.settings-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* 下拉菜单样式 */
.dropdown-menu {
    min-width: 120px;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.dropdown-item {
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--background-light);
    color: var(--primary-color);
}

/* 设置栏样式 */
.settings-bar {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    background-color: var(--card-background);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 0.75rem 0;
    box-shadow: var(--shadow-sm);
}

.settings-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.settings-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Logo样式 */
.logo-link {
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
}

.logo-link:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 1.75rem;
    color: var(--primary-color);
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 500;
}

/* 主内容区域 */
.container.py-5 {
    padding-top: 8rem !important;
    padding-bottom: 3rem !important;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .logo-text {
        display: none;
    }
    
    .container.py-5 {
        padding-top: 6rem !important;
        padding-bottom: 2rem !important;
    }
}