/*
Theme Name: AIStart
Theme URI: https://aistart.ai/
Author: AIStart Team
Author URI: https://aistart.ai/
Description: AI工具导航主题，基于WordPress最新规范开发，支持移动端自适应和暗黑模式切换
Version: 1.0.0
Requires at least: 6.5
Tested up to: 6.5
Requires PHP: 8.2
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: aistart
Domain Path: /languages
Tags: ai, tools, navigation, dark-mode, responsive
*/

/* ========== 全局变量 ========== */
:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #10b981;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: 0.3s ease;
}

/* 暗黑模式 */
body.dark {
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --bg-primary: #1c222f;
    --bg-secondary: #121a27;
    --bg-tertiary: #374151;
    --border-color: #4b5563;
}

/* 暗黑模式下精选按钮 */
body.dark .featured-button {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

body.dark .featured-button:hover {
    background: var(--bg-tertiary);
}



/* ========== 全局样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    transition: background-color var(--transition), color var(--transition);
}

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

a:hover {
    color: var(--primary-hover);
}

img {
    max-width: 100%;
    height: auto;
}

.home-wrapper {
    min-height: 100vh;
}

/* ========== Hero 区域 ========== */
.hero-section {
    background: var(--bg-secondary);
    padding: 40px 20px 20px;
    text-align: center;
}

.hero-content {
    max-width: 1280px;
    margin: 0 auto;
}

.hero-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 16px;
    margin-bottom: 24px;
    opacity: 0.8;
    color: var(--text-secondary);
}

.search-container {
    max-width: 600px;
    margin: 0 auto 20px;
}

.search-form-new {
    width: 100%;
}

.search-wrapper {
    display: flex;
    align-items: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    position: relative;
}

.search-wrapper:hover {
    border-color: #10b981;
    box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.5), 0 4px 32px rgba(16, 185, 129, 0.3);
    animation: searchGlow 3s ease-in-out infinite;
}

@keyframes searchGlow {
    0%, 100% {
        box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.5), 0 4px 32px rgba(16, 185, 129, 0.3);
    }
    50% {
        box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.8), 0 4px 40px rgba(16, 185, 129, 0.5);
    }
}

.search-wrapper:focus-within {
    border-color: #6366f1;
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.3);
}

.search-icon-wrapper {
    padding: 0 20px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    transition: color 0.3s ease;
}

.search-wrapper:hover .search-icon-wrapper,
.search-wrapper:focus-within .search-icon-wrapper {
    color: #6366f1;
}

.search-input-new {
    flex: 1;
    padding: 18px 0;
    border: none;
    font-size: 16px;
    outline: none;
    color: var(--text-primary);
    background: transparent;
}

.search-input-new::placeholder {
    color: var(--text-muted);
}

.search-submit-new {
    padding: 18px 32px;
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    color: white;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    margin-right: -1px;
}

.search-submit-new:hover {
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
    transform: scale(1.02);
}

.search-submit-new:hover svg {
    transform: rotate(360deg);
}

.search-submit-new svg {
    transition: transform 0.5s ease;
}

.search-submit-new:active {
    transform: scale(0.98);
}

/* ========== 热搜词样式 ========== */
.hot-search-tags {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.hot-search-label {
    font-size: 15px;
    color: var(--text-secondary);
    white-space: nowrap;
    font-weight: 500;
}

.hot-search-list {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.hot-search-tag {
    padding: 5px 13px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    font-size: 13px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.hot-search-tag:hover {
    background: var(--bg-tertiary);
    border-color: #10b981;
    box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.5), 0 4px 32px rgba(16, 185, 129, 0.3);
    animation: searchGlow 3s ease-in-out infinite;
}

@keyframes tagGlow {
    0%, 100% {
        box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.3), 0 4px 24px rgba(16, 185, 129, 0.15);
    }
    50% {
        box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.6), 0 4px 32px rgba(16, 185, 129, 0.25);
    }
}

/* ========== 精选下拉菜单 ========== */
.featured-dropdown {
    position: relative;
    display: inline-block;
    margin-top: 16px;
}

.featured-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.featured-button:hover {
    background: var(--bg-tertiary);
    transform: translateY(-1px);
}

.featured-button svg:first-child {
    color: #fbbf24;
    width: 18px;
    height: 18px;
}

.featured-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 240px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 1000;
    overflow: hidden;
}

.featured-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.featured-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-bottom-color: var(--bg-primary);
}

.featured-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    color: var(--text-primary);
    transition: all var(--transition);
    text-decoration: none;
}

.featured-link:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

.featured-link-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    object-fit: contain;
}

.featured-link-icon-default {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.featured-link-name {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
}

.featured-empty {
    padding: 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

/* ========== 启动台区域 ========== */
.qidongtai-section {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px 20px;
}

.qidongtai-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
}

.qidongtai-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.qidongtai-icon {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: circleGrowIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    opacity: 0;
}

@keyframes circleGrowIn {
    0% {
        opacity: 0;
        transform: scale(3);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.qidongtai-divider {
    flex: 1;
    display: flex;
    align-items: center;
}

.qidongtai-divider-line {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.8) 50%, rgba(16, 185, 129, 0.1) 100%);
    background-size: 200% 100%;
    animation: qidongtai-gradient-move 4s linear infinite;
}

@keyframes qidongtai-gradient-move {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 200% 50%;
    }
}

.qidongtai-header-actions {
    display: flex;
    gap: 8px;
}

.qidongtai-action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
}

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

.qidongtai-grid {
    display: grid;
    gap: 12px;
    margin-top: 0;
    max-height: none;
    overflow: visible;
}

.qidongtai-grid.expanded {
    max-height: none;
    overflow: visible;
}

.qidongtai-footer {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.qidongtai-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.qidongtai-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.qidongtai-toggle.expanded {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.qidongtai-item-delete {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
    z-index: 10;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.qidongtai-item-delete svg {
    stroke: #4b5563;
    stroke-width: 3;
}

body.dark .qidongtai-item-delete {
    background: #374151;
    border-color: #4b5563;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

body.dark .qidongtai-item-delete svg {
    stroke: #fff;
}

.qidongtai-item:hover .qidongtai-item-delete {
    opacity: 1;
}

.qidongtai-item-delete:hover {
    transform: scale(1.1);
}

.toggle-arrow {
    transition: transform var(--transition);
}

.qidongtai-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px 12px;
    background: var(--bg-primary);
    border-radius: 12px;
    transition: all var(--transition);
    text-decoration: none;
}

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

.qidongtai-item-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    text-decoration: none;
    color: inherit;
}

.qidongtai-item-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--bg-tertiary);
    animation: iconGrowIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    opacity: 0;
}

@keyframes iconGrowIn {
    0% {
        opacity: 0;
        transform: scale(1.8);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.qidongtai-item-icon img {
    width: 60%;
    height: 60%;
    object-fit: contain;
}

.qidongtai-item-name {
    width: 100%;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    line-height: 1.3;
}

@media (max-width: 768px) {
    .qidongtai-header {
        flex-wrap: nowrap;
    }
    
    .qidongtai-title {
        font-size: 14px;
        margin-right: auto;
    }
    
    .qidongtai-header-actions {
        gap: 4px;
        margin-left: 0px;
    }
    
    .qidongtai-action-btn {
        padding: 2px 8px;
    }
    
    .qidongtai-action-btn:first-child span {
        display: none;
    }
    
    .qidongtai-action-btn.edit-mode-btn svg {
        display: none;
    }
    
    .qidongtai-item {
        padding: 16px 8px;
        aspect-ratio: 1 / 1;
        height: auto;
    }
    
    .qidongtai-item-icon {
        width: 48px;
        height: 48px;
    }
    
    .qidongtai-item-name {
        font-size: 12px;
    }
}

/* ========== 搜索结果页样式 ========== */
.search-breadcrumb {
    background: var(--bg-primary);
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.search-breadcrumb .container {
    display: flex;
    gap: 20px;
    align-items: center;
}

.search-back-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #10b981;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all var(--transition);
}

.search-back-link:hover {
    color: #059669;
}

.search-home-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition);
}

.search-home-link:hover {
    color: var(--text-primary);
}

.page-header {
    padding: 0;
    margin-top: 15px;
    margin-bottom: 15px;
}

.page-title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    font-weight: normal;
}

/* ========== 分类区域 ========== */
.categories-section {
    max-width: 1280px;
    margin: 20px auto;
    padding: 0 20px;
}

.section-header {
    margin-bottom: 20px;
}

.section-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

.categories-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .categories-nav {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
        padding: 16px;
    }
    
    .category-tag {
        text-align: center;
        padding: 5px 13px;
        font-size: 14px;
    }
}

.category-tag {
    padding: 5px 13px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
}

.category-tag:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.category-tag.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ========== 工具网格 ========== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.tool-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    transition: all var(--transition);
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-color);
}

.tool-card-link {
    display: flex;
    flex-direction: column;
    padding: 12px;
    text-decoration: none;
    color: inherit;
}

.tool-card-top {
    display: flex;
    gap: 9px;
    margin-bottom: 9px;
}

.tool-card-icon {
    width: 31.5px;
    height: 31.5px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    background: var(--bg-tertiary);
}

.tool-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 6px;
}

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

.tool-card-title {
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 3px;
    color: var(--text-primary);
    text-align: left;
}

.tool-card-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tool-card-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.tool-card-tags {
    display: flex;
    gap: 6px;
    align-items: center;
}

.tool-tag {
    padding: 2.25px 6.75px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: 15px;
    font-size: 9px;
    font-weight: 500;
}

.tool-tag.featured-tag {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.tool-favorite-btn {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    transition: all var(--transition);
    border-radius: 7.5px;
}

.tool-favorite-btn:hover {
    color: #fbbf24;
    background: rgba(251, 191, 36, 0.1);
}

.no-tools {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    font-size: 18px;
}

/* ========== 加载更多按钮 ========== */
.load-more-section {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    padding-bottom: 40px;
}

.load-more-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 32px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.load-more-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.load-more-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.load-more-btn svg {
    width: 20px;
    height: 20px;
}

.load-more-btn.loading svg {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.load-more-count {
    color: var(--text-muted);
    font-size: 13px;
}

/* ========== 分页 ========== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition);
}

.pagination a:hover,
.pagination span.current {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ========== 工具详情页样式 ========== */
.tool-detail-wrapper {
    min-height: 100vh;
    background: var(--bg-secondary);
}

.tool-breadcrumb {
    background: var(--bg-primary);
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.tool-breadcrumb a {
    color: var(--text-secondary);
    font-size: 14px;
}

.tool-breadcrumb a:hover {
    color: var(--primary-color);
}

.tool-breadcrumb .separator {
    margin: 0 8px;
    color: var(--text-muted);
}

.tool-breadcrumb .current {
    color: var(--text-primary);
    font-weight: 500;
}

.tool-header {
    background: var(--bg-secondary);
    padding: 24px 0;
}

.tool-header-card {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    gap: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.tool-header-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tool-header-top {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tool-logo {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
}

.tool-logo img {
    width: 70%;
    height: 70%;
    object-fit: contain;
}

.tool-title {
    font-size: 32px;
    font-weight: 800;
    margin: 0;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.tool-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
    padding-left: 60px;
}

.tool-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-left: 60px;
}

.tool-tag {
    padding: 4px 12px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    border: none;
}

.tool-buttons {
    display: flex;
    gap: 10px;
    align-items: center;
    padding-left: 60px;
}

.tool-action-btn {
    padding: 14px 36px;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 16px;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.tool-action-btn.primary {
    background: #10b981;
    color: white;
    border: none;
}

.tool-action-btn.primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.tool-action-btn.secondary {
    padding: 14px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

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

.tool-header-right {
    flex-shrink: 0;
    width: 30%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.tool-hero-wrapper {
    width: 100%;
}

.tool-hero-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.tool-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.related-tools-section {
    background: var(--bg-primary);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.related-tools-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.related-tools-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 0;
    color: var(--text-primary);
}

.refresh-btn {
    padding: 8px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.refresh-btn:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

.tool-content {
    padding: 40px 0;
}

.tool-content-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 32px;
    max-width: 1280px;
    margin: 0 auto;
}

.tool-main-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.tool-section {
    background: var(--bg-primary);
    padding: 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-icon {
    font-size: 22px;
}

.section-content {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.section-content p {
    margin-bottom: 16px;
}

.section-content p:last-child {
    margin-bottom: 0;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 10px 0;
    font-size: 15px;
    color: var(--text-secondary);
}

.tool-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.tool-sidebar-section {
    background: var(--bg-primary);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.sidebar-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quick-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    transition: all var(--transition);
    text-decoration: none;
}

.quick-action-btn.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.quick-action-btn.primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.product-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

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

.info-value {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.tool-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tool-category-tag {
    padding: 5px 13px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
    white-space: nowrap;
    flex: 1;
    text-align: center;
    justify-content: center;
    min-width: 0;
}

.tool-category-tag:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.tool-category-tag.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.related-tools {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.related-tool-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    transition: all var(--transition);
    text-decoration: none;
}

.related-tool-item:hover {
    background: var(--bg-secondary);
    transform: translateX(4px);
}

.related-tool-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    object-fit: cover;
    flex-shrink: 0;
}

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

.related-tool-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 4px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.related-tool-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 分类目录页样式 ========== */
.category-page-wrapper {
    min-height: 100vh;
    background: var(--bg-secondary);
}

.category-page-header {
    background: var(--bg-primary);
    padding: 60px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.category-page-header .page-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.category-page-header .page-description {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.category-page-content {
    padding: 40px 0;
}

.category-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
    max-width: 1400px;
    margin: 0 auto;
}

.category-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.category-sidebar-header {
    padding: 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border: 1px solid var(--border-color);
    border-bottom: none;
}

.category-sidebar-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.category-list {
    background: var(--bg-primary);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    border: 1px solid var(--border-color);
    border-top: none;
    overflow: hidden;
}

.category-parent {
    padding: 16px 20px;
    cursor: pointer;
    transition: all var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.category-parent:last-child {
    border-bottom: none;
}

.category-parent:hover {
    background: var(--bg-tertiary);
}

.category-parent.active {
    background: var(--primary-color);
    color: white;
}

.category-name {
    font-weight: 500;
    font-size: 15px;
}

.category-main {
    min-height: 600px;
}

.category-detail {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 32px;
}

.category-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--primary-color);
}

.category-detail-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.view-all-link {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 14px;
}

.view-all-link:hover {
    text-decoration: underline;
}

.category-detail-desc {
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.category-children {
    margin-top: 24px;
}

.children-title {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.category-child-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    transition: all var(--transition);
    color: inherit;
}

.category-child-item:hover {
    background: var(--primary-color);
    color: white;
}

.child-icon {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    flex-shrink: 0;
}

.category-child-item:hover .child-icon {
    background: white;
}

.child-name {
    flex: 1;
    font-weight: 500;
    font-size: 15px;
}

.child-arrow {
    color: var(--text-muted);
    font-size: 18px;
}

.category-child-item:hover .child-arrow {
    color: white;
}

.category-tools-grid {
    display: grid;
    gap: 16px;
}

.tool-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    color: inherit;
}

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

.tool-item-icon {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-primary);
}

.tool-item-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tool-item:hover .tool-item-icon {
    background: rgba(255, 255, 255, 0.2);
}

.tool-item-info {
    flex: 1;
}

.tool-item-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 8px;
}

.tool-item-desc {
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tool-item:hover .tool-item-desc {
    color: rgba(255, 255, 255, 0.9);
}

/* ========== 分类详情页样式 ========== */
.taxonomy-page-wrapper {
    min-height: 100vh;
    background: var(--bg-secondary);
}

.taxonomy-breadcrumb {
    background: var(--bg-primary);
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

.taxonomy-breadcrumb a {
    color: var(--text-secondary);
    font-size: 14px;
}

.taxonomy-breadcrumb a:hover {
    color: var(--primary-color);
}

.taxonomy-breadcrumb .separator {
    margin: 0 8px;
    color: var(--text-muted);
}

.taxonomy-breadcrumb .current {
    color: var(--text-primary);
    font-weight: 500;
}

.taxonomy-page-header {
    background: var(--bg-primary);
    padding: 48px 0;
    border-bottom: 1px solid var(--border-color);
}

.taxonomy-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.taxonomy-meta {
    margin-bottom: 16px;
}

.tool-count {
    font-size: 16px;
    color: var(--text-secondary);
}

.taxonomy-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 800px;
}

.taxonomy-tools-section {
    padding: 40px 0;
}

.taxonomy-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.taxonomy-tool-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    display: block;
    color: inherit;
}

.taxonomy-tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.tool-card-thumbnail {
    width: 100%;
    height: 180px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.tool-card-thumbnail img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.tool-card-content {
    padding: 20px;
}

.tool-card-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 8px;
    color: var(--text-primary);
}

.tool-card-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 页面结构补充样式 ========== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1024px) {
    .category-layout {
        grid-template-columns: 1fr;
    }
    
    .category-sidebar {
        position: static;
    }
    
    .tool-content-grid {
        grid-template-columns: 1fr;
    }
    
    .tool-sidebar {
        position: static;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .qidongtai-grid {
        max-height: 560px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .search-container {
        max-width: 100%;
    }
    
    .search-wrapper {
        border-radius: 20px;
    }
    
    .search-icon-wrapper {
        padding: 0 16px;
    }
    
    .search-input-new {
        padding: 14px 0;
        font-size: 15px;
    }
    
    .search-submit-new {
        padding: 14px 18px;
    }
    
    .qidongtai-grid {
        max-height: 560px;
    }
    
    .qidongtai-grid.expanded {
        max-height: none;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .tool-card-desc {
        font-size: 13px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .categories-nav {
        padding: 16px;
    }
    
    .tool-header-card {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
    }
    
    .tool-header-left {
        flex-direction: column;
        gap: 12px;
    }
    
    .tool-header-top {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    
    .tool-logo {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        border: none;
    }
    
    .tool-logo img {
        width: 70%;
        height: 70%;
        object-fit: contain;
    }
    
    .tool-title {
        font-size: 24px;
        font-weight: 700;
        line-height: 1.2;
    }
    
    .tool-desc {
        font-size: 14px;
        padding-left: 0;
        text-align: left;
    }
    
    .tool-tags {
        padding-left: 0;
        gap: 6px;
    }
    
    .tool-tag {
        font-size: 12px;
        padding: 3px 10px;
    }
    
    .tool-category-tag {
        flex: 1;
        text-align: center;
        justify-content: center;
    }
    
    .tool-buttons {
        padding-left: 0;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .tool-action-btn {
        padding: 8px 21px;
        font-size: 13px;
    }
    
    .tool-action-btn.secondary {
        padding: 7px 7px;
    }
    
    .load-more-section {
        margin-top: 24px;
        padding-bottom: 24px;
    }
    
    .load-more-btn {
        padding: 10px 24px;
        font-size: 13px;
    }
    
    .tool-header-right {
        width: 100%;
        justify-content: flex-end;
    }
    
    .tool-hero-image {
        max-height: none;
        aspect-ratio: 16 / 10;
        border-radius: 12px;
    }
    
    .tool-hero-image img {
        height: 100%;
        width: 100%;
        object-fit: cover;
    }
    
    .tool-action-btn {
        padding: 7px 21px;
        font-size: 9px;
    }
    
    .related-tools-section {
        padding: 16px;
    }
    
    .related-tools-title {
        font-size: 18px;
    }
    
    .related-tool-icon-large {
        width: 48px;
        height: 48px;
    }
    
    .related-tool-title-large {
        font-size: 16px;
    }
    
    .related-tool-desc-large {
        font-size: 13px;
    }
    
    .taxonomy-tools-grid {
        grid-template-columns: 1fr;
    }
    
    .category-detail-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .qidongtai-grid {
        max-height: 840px;
    }
}

/* ========== 暗黑模式调整 ========== */
body.dark .qidongtai-header,
body.dark .categories-nav,
body.dark .tool-card,
body.dark .tool-main-content,
body.dark .tool-sidebar-section,
body.dark .category-detail,
body.dark .taxonomy-tool-card,
body.dark .tool-item,
body.dark .category-parent {
    background: var(--bg-primary);
}

body.dark .tool-card-title,
body.dark .tool-card-desc,
body.dark .tool-title,
body.dark .tool-desc,
body.dark .qidongtai-item-name,
body.dark .category-name,
body.dark .category-detail-title {
    color: var(--text-primary);
}

body.dark .child-name,
body.dark .tool-item-title,
body.dark .tool-item-desc {
    color: var(--text-primary);
}

body.dark .load-more-btn {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

body.dark .load-more-btn:hover:not(:disabled) {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

/* ========== 页脚 ========== */
.footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    margin-top: 60px;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.footer-email {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.footer-email:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: color var(--transition);
}

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

.footer-submit {
    color: #10b981 !important;
    font-weight: 500;
}

.footer-submit:hover {
    color: #059669 !important;
}

.footer-bottom {
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
}

.footer-bottom-left {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.footer-bottom-left svg {
    color: #6366f1;
}

.footer-bottom-right {
    display: flex;
    gap: 24px;
}

.footer-bottom-right a {
    color: var(--text-muted);
    transition: color var(--transition);
}

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

/* 友情链接 */
.friend-links {
    margin-bottom: 40px;
}

.friend-links-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.friend-links-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.friend-link-item {
    display: inline-block;
    padding: 5px 13px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 24px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
    border: 1px solid var(--border-color);
}

.friend-link-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* ========== 头部样式 ========== */
.header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    max-width: 1280px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo:hover {
    color: var(--primary-color);
}

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

.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.header-logo img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-menu li a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition);
}

.nav-menu li a:hover {
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle {
    padding: 8px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    color: var(--text-primary);
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.theme-toggle svg {
    display: block;
}

/* ========== 移动端菜单 ========== */
.mobile-menu-toggle {
    display: none;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
}

/* ========== 友情链接样式 ========== */
.friend-links {
    margin-top: 40px;
    padding-top: 20px;
}

.friend-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.friend-links-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

@media (max-width: 768px) {
    .friend-links-list {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    
    .friend-link-item {
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        background: var(--bg-primary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: 5px 13px;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-secondary);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .friend-link-item:hover {
        background: var(--primary-color);
        color: white;
        border-color: var(--primary-color);
    }
    
    .footer-grid {
        display: none;
    }
}



/* ========== 订阅区域样式 ========== */
.subscribe-section {
    background: transparent;
    padding: 0 0 40px 0;
    border-top: none;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.subscribe-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.subscribe-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.subscribe-form {
    display: flex;
    gap: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.subscribe-form:hover {
    border-color: #10b981;
}

.subscribe-form:focus-within {
    border-color: #10b981;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.subscribe-form input[type="email"] {
    flex: 1;
    padding: 14px 18px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
}

.subscribe-form input[type="email"]::placeholder {
    color: var(--text-muted);
}

.subscribe-btn {
    width: 56px;
    height: 50px;
    background: #10b981;
    border: none;
    border-radius: 0 12px 12px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition);
}

.subscribe-btn:hover {
    background: #059669;
}

.subscribe-message {
    margin-top: 12px;
    font-size: 14px;
    display: none;
}

.subscribe-message.success {
    display: block;
    color: #10b981;
}

.subscribe-message.error {
    display: block;
    color: #ef4444;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* ========== 热搜词暗黑模式适配 ========== */