/*
Theme Name: 万能对比系统
Theme URI: https://bestu.top/
Author: 万能对比团队
Author URI: https://blog.ddms.top:666
Description: 专业的产品参数比较平台主题，支持桌面、移动、车机、AI、嵌入式芯片展示
Version: 2.0.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: cpu-compare
Domain Path: /languages
Tags: cpu, comparison, technology, responsive, charts

万能对比系统 WordPress Theme
*/

/* CSS Variables */
:root {
    /* Primary Colors - 科技绿/青色系 */
    --color-primary: #10B981;
    --color-primary-dark: #059669;
    --color-primary-light: #34D399;
    --color-primary-50: #ECFDF5;
    --color-primary-100: #D1FAE5;
    
    /* Secondary Colors */
    --color-secondary: #F59E0B;
    --color-secondary-dark: #D97706;
    --color-accent: #EF4444;
    
    /* Category Colors */
    --color-desktop: #10B981;
    --color-mobile: #F59E0B;
    --color-vehicle: #0D9488;
    --color-ai: #EC4899;
    --color-embedded: #6366F1;
    
    /* Neutral Colors */
    --color-bg: #FFFFFF;
    --color-bg-secondary: #F9FAFB;
    --color-bg-tertiary: #F3F4F6;
    --color-text-primary: #111827;
    --color-text-secondary: #6B7280;
    --color-text-tertiary: #9CA3AF;
    --color-border: #E5E7EB;
    --color-border-light: #F3F4F6;
    
    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
    
    /* Layout */
    --container-max: 1280px;
    --header-height: 64px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
}

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

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

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* Utility Classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.font-mono { font-family: var(--font-mono); }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-sm { font-size: 14px; }
.text-base { font-size: 16px; }
.text-lg { font-size: 18px; }
.text-xl { font-size: 20px; }
.text-2xl { font-size: 24px; }
.text-3xl { font-size: 30px; }

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

.bg-white { background-color: var(--color-bg); }
.bg-secondary { background-color: var(--color-bg-secondary); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

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

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

.btn-secondary {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

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

.btn-ghost {
    background-color: transparent;
    color: var(--color-text-secondary);
}

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

.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: 13px;
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: 16px;
}

/* Cards */
.card {
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.card-body {
    padding: var(--space-5);
}

/* Forms */
.form-input {
    width: 100%;
    padding: var(--space-2) var(--space-4);
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-input::placeholder {
    color: var(--color-text-tertiary);
}

/* Grid */
.grid {
    display: grid;
    gap: var(--space-4);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (min-width: 640px) {
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .lg\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
}

/* Flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* Spacing */
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }

/* Section */
.section {
    padding: var(--space-12) 0;
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-full);
}

.badge-primary {
    background-color: var(--color-primary-100);
    color: var(--color-primary-dark);
}

.badge-secondary {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

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

/* ============================================
   首页 2:1 布局 - 移动端响应式优化
   ============================================ */

/* 默认移动端布局 (小于 768px) */
.homepage-layout {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.main-content,
.sidebar-content {
    width: 100%;
    min-width: auto;
}

/* 平板端 (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .homepage-layout {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .main-content {
        flex: 1 1 60%;
        min-width: 0;
    }
    
    .sidebar-content {
        flex: 0 0 35%;
        min-width: 250px;
    }
}

/* 桌面端 (1024px 及以上) - 2:1 布局 */
@media (min-width: 1024px) {
    .homepage-layout {
        flex-direction: row;
        gap: 30px;
    }
    
    .main-content {
        flex: 1 1 65%;
        min-width: 0;
    }
    
    .sidebar-content {
        flex: 0 0 32%;
        min-width: 300px;
    }
}

/* ============================================
   移动端优化 - Hero 搜索区域
   ============================================ */

.hero-search {
    padding: 40px 0;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
}

@media (max-width: 767px) {
    .hero-search {
        padding: 24px 0;
    }
    
    .hero-title {
        font-size: 24px !important;
    }
    
    .hero-subtitle {
        font-size: 14px !important;
    }
    
    .search-box {
        padding: 0 10px;
    }
    
    .search-input-wrapper {
        flex-direction: column;
        gap: 10px;
    }
    
    .search-input {
        width: 100%;
        padding: 12px 15px !important;
        font-size: 16px !important;
    }
    
    .search-submit {
        width: 100%;
        padding: 12px !important;
    }
    
    .hot-keywords {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    
    .hot-keyword {
        font-size: 12px;
        padding: 4px 10px;
    }
}

/* ============================================
   移动端优化 - 产品列表和分类
   ============================================ */

@media (max-width: 767px) {
    /* 两列布局改为单列 */
    .two-column-layout {
        grid-template-columns: 1fr !important;
    }
    
    /* 产品列表项优化 */
    .cpu-list-item {
        padding: 10px !important;
    }
    
    .cpu-list-name {
        font-size: 14px !important;
    }
    
    .cpu-list-score {
        font-size: 13px !important;
    }
    
    .cpu-list-params {
        font-size: 11px !important;
    }
    
    /* 分类列表优化 */
    .category-list-item {
        padding: 10px !important;
    }
    
    .cat-icon {
        font-size: 18px !important;
    }
    
    .cat-name {
        font-size: 14px !important;
    }
    
    /* 排行榜优化 */
    .rankings-tabs-compact {
        flex-direction: row;
        gap: 8px !important;
    }
    
    .ranking-tab-compact {
        padding: 10px 8px !important;
        font-size: 13px !important;
    }
    
    .ranking-item-compact {
        padding: 8px !important;
    }
    
    .rank-number-compact {
        width: 22px !important;
        height: 22px !important;
        font-size: 11px !important;
    }
    
    .rank-name-compact {
        font-size: 12px !important;
    }
    
    .rank-score-compact {
        font-size: 11px !important;
    }
}

/* ============================================
   移动端优化 - 侧边栏
   ============================================ */

@media (max-width: 767px) {
    .sidebar-section {
        padding: 15px !important;
        margin-bottom: 15px !important;
    }
    
    .section-title-small {
        font-size: 15px !important;
    }
    
    /* 标签云高度调整 */
    .tag-cloud-3d-container {
        height: 200px !important;
    }
    
    /* 工具箱网格优化 */
    .tools-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }
    
    .tool-card {
        padding: 12px 8px !important;
    }
    
    .tool-icon {
        font-size: 20px !important;
    }
    
    .tool-name {
        font-size: 11px !important;
    }
    
    /* 热门对比优化 */
    .hot-compare-item {
        padding: 10px !important;
    }
    
    .hot-compare-cpus {
        font-size: 12px !important;
    }
}

/* ============================================
   移动端优化 - 热门产品和新发布产品
   ============================================ */

@media (max-width: 767px) {
    .featured-section {
        padding: 24px 0 !important;
    }
    
    .featured-section .section-title {
        font-size: 20px !important;
        margin-bottom: 20px !important;
    }
    
    .cpu-grid-compact {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }
    
    .btn-primary {
        padding: 10px 24px !important;
        font-size: 14px !important;
    }
}

@media (max-width: 480px) {
    .cpu-grid-compact {
        grid-template-columns: 1fr !important;
    }
}

/* ============================================
   移动端优化 - 广告位
   ============================================ */

@media (max-width: 767px) {
    .cpu-ad {
        margin-bottom: 15px !important;
    }
    
    .cpu-ad img,
    .cpu-ad iframe {
        max-width: 100%;
        height: auto;
    }
}

/* ============================================
   平板端优化
   ============================================ */

@media (min-width: 768px) and (max-width: 1023px) {
    .cpu-grid-compact {
        grid-template-columns: repeat(3, 1fr) !important;
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* ============================================
   触摸设备优化
   ============================================ */

@media (hover: none) and (pointer: coarse) {
    .cpu-list-item:active,
    .category-list-item:active,
    .ranking-item-compact:active,
    .hot-compare-item:active {
        background-color: #f0fdf4 !important;
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .btn-primary:active {
        background-color: var(--color-primary-dark) !important;
        transform: scale(0.98);
    }
}

/* ============================================
   安全区域适配 (刘海屏)
   ============================================ */

@supports (padding: max(0px)) {
    .container {
        padding-left: max(var(--space-4), env(safe-area-inset-left));
        padding-right: max(var(--space-4), env(safe-area-inset-right));
    }
    
    @media (min-width: 640px) {
        .container {
            padding-left: max(var(--space-6), env(safe-area-inset-left));
            padding-right: max(var(--space-6), env(safe-area-inset-right));
        }
    }
}

/* ============================================
   热门搜索滚动样式
   ============================================ */

.hot-keywords {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: nowrap;
}

.hot-keywords-scroll {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex: 1;
    padding: 4px 0;
}

.hot-keywords-scroll::-webkit-scrollbar {
    display: none;
}

.hot-keyword {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border-radius: 20px;
    font-size: 13px;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.hot-keyword:hover {
    background: #10b981;
    color: white;
}

/* ============================================
   广告位样式
   ============================================ */

.cpu-ad {
    margin-bottom: 20px;
}

.cpu-ad img {
    max-width: 100%;
    height: auto;
    display: block;
}

.cpu-ad-link {
    display: block;
}

/* ============================================
   打印样式
   ============================================ */

@media print {
    .hero-search,
    .sidebar-content,
    .cpu-ad,
    .tag-cloud-3d-container {
        display: none !important;
    }
    
    .main-content {
        flex: 1 1 100% !important;
        width: 100% !important;
    }
    
    .homepage-layout {
        flex-direction: column !important;
    }
}