/* 赛博朋克风格重置 */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');

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

:root {
    --cyber-bg: #0a0a0a;
    --cyber-surface: #1a1a1a;
    --cyber-border: #2a2a2a;
    --cyber-cyan: #00ffff;
    --cyber-magenta: #ff00ff;
    --cyber-green: #00ff00;
    --cyber-orange: #ff6600;
    --cyber-blue: #0066ff;
    --cyber-text: #e0e0e0;
    --cyber-text-dim: #888888;
    --glow-cyan: 0 0 20px rgba(0, 255, 255, 0.6);
    --glow-magenta: 0 0 20px rgba(255, 0, 255, 0.6);
    --glow-green: 0 0 20px rgba(0, 255, 0, 0.6);
}

body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--cyber-bg);
    color: var(--cyber-text);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* 动态网格背景 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* 粒子效果背景 */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(2px 2px at 20px 30px, var(--cyber-cyan), transparent),
                radial-gradient(2px 2px at 40px 70px, var(--cyber-magenta), transparent),
                radial-gradient(1px 1px at 90px 40px, var(--cyber-green), transparent),
                radial-gradient(1px 1px at 130px 80px, var(--cyber-orange), transparent);
    background-repeat: repeat;
    background-size: 150px 150px;
    animation: sparkle 8s linear infinite;
    z-index: -1;
    opacity: 0.3;
}

@keyframes sparkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.1; }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部 - 终端风格 */
.header {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.95), rgba(42, 42, 42, 0.95));
    backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--cyber-cyan);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--glow-cyan);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    position: relative;
}

.nav::before {
    content: '> AI编程导航_v2.1.0';
    position: absolute;
    top: -5px;
    left: 0;
    font-size: 0.7rem;
    color: var(--cyber-green);
    letter-spacing: 2px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
}

.logo-icon {
    font-size: 2rem;
    background: linear-gradient(45deg, var(--cyber-cyan), var(--cyber-magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: iconGlow 2s ease-in-out infinite alternate;
}

@keyframes iconGlow {
    0% { filter: drop-shadow(0 0 5px var(--cyber-cyan)); }
    100% { filter: drop-shadow(0 0 15px var(--cyber-magenta)); }
}

.logo-text {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cyber-cyan);
    text-shadow: var(--glow-cyan);
    letter-spacing: 2px;
    position: relative;
}

.logo-text::after {
    content: '█';
    animation: blink 1s infinite;
    color: var(--cyber-green);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-item {
    text-decoration: none;
    color: var(--cyber-text-dim);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.nav-item::before {
    content: '[ ';
    color: var(--cyber-cyan);
}

.nav-item::after {
    content: ' ]';
    color: var(--cyber-cyan);
}

.nav-item:hover,
.nav-item.active {
    color: var(--cyber-cyan);
    border-color: var(--cyber-cyan);
    box-shadow: var(--glow-cyan);
    text-shadow: 0 0 10px var(--cyber-cyan);
}

/* 移动端汉堡包菜单 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--cyber-cyan);
    border-radius: 2px;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.mobile-menu-btn:hover span {
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.8);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 移动端菜单遮罩 */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 主要内容样式 */
.main {
    padding: 2rem 0;
}

/* Hero区域 - 终端启动界面风格 */
.hero {
    text-align: center;
    padding: 3rem 0;
    margin-bottom: 2rem;
    position: relative;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.8), rgba(42, 42, 42, 0.6));
    border-radius: 20px;
    border: 1px solid var(--cyber-border);
    backdrop-filter: blur(10px);
}

.hero::before {
    content: '// 正在启动AI编程导航系统 v3.0.1...';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 0.8rem;
    color: var(--cyber-green);
    font-family: 'JetBrains Mono', monospace;
}

.hero-title {
    font-family: 'Orbitron', monospace;
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--cyber-cyan), var(--cyber-magenta), var(--cyber-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 300% 300%;
    animation: gradientShift 3s ease-in-out infinite;
    text-transform: uppercase;
    letter-spacing: 3px;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--cyber-text-dim);
    font-family: 'JetBrains Mono', monospace;
}

.hero-subtitle::before {
    content: '> ';
    color: var(--cyber-green);
}

/* 搜索框 - 终端输入风格 */
.search-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-container::before {
    content: '搜索模块';
    position: absolute;
    top: -25px;
    left: 0;
    font-size: 0.7rem;
    color: var(--cyber-orange);
    letter-spacing: 2px;
}

.search-box {
    display: flex;
    background: var(--cyber-surface);
    border: 2px solid var(--cyber-cyan);
    border-radius: 10px;
    padding: 0.5rem;
    box-shadow: var(--glow-cyan);
    position: relative;
}

.search-box::before {
    content: '$ ';
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cyber-green);
    font-weight: bold;
    z-index: 2;
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 0.75rem 1.5rem 0.75rem 2.5rem;
    font-size: 1rem;
    font-family: 'JetBrains Mono', monospace;
    background: transparent;
    color: var(--cyber-text);
    border-radius: 10px;
}

.search-input::placeholder {
    color: var(--cyber-text-dim);
}

.search-btn {
    background: linear-gradient(45deg, var(--cyber-cyan), var(--cyber-blue));
    border: none;
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    color: var(--cyber-bg);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.search-btn:hover {
    box-shadow: var(--glow-cyan);
    transform: scale(1.05);
}

/* 主布局容器 */
.main-layout {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    background: rgba(26, 26, 26, 0.8);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid var(--cyber-border);
    position: relative;
}

.main-layout::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyber-cyan), var(--cyber-magenta), var(--cyber-green), var(--cyber-orange));
    background-size: 400% 400%;
    animation: borderFlow 3s ease infinite;
}

@keyframes borderFlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* 左侧边栏 - 终端命令列表风格 */
.sidebar {
    width: 380px;
    flex-shrink: 0;
    position: sticky;
    top: 140px;
    max-height: calc(100vh - 160px);
    overflow-y: auto;
}

.sidebar-content {
    background: var(--cyber-surface);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--cyber-border);
    position: relative;
    max-height: calc(100vh - 180px);
    overflow-y: auto;
}

.sidebar-content::before {
    content: '// 导航目录';
    position: absolute;
    top: -10px;
    left: 15px;
    background: var(--cyber-surface);
    padding: 0 10px;
    font-size: 0.7rem;
    color: var(--cyber-green);
    letter-spacing: 2px;
}

.sidebar-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--cyber-cyan);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--cyber-cyan);
    font-family: 'Orbitron', monospace;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: var(--glow-cyan);
}

.category-nav {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1rem;
    text-decoration: none;
    color: var(--cyber-text-dim);
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
    border: 1px solid transparent;
    position: relative;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: visible;
}

.category-item::before {
    content: '├─ ';
    color: var(--cyber-green);
    font-weight: bold;
}

.category-item:last-child::before {
    content: '└─ ';
}

.category-item:hover {
    background: rgba(0, 255, 255, 0.1);
    color: var(--cyber-cyan);
    border-color: var(--cyber-cyan);
    box-shadow: inset var(--glow-cyan);
    transform: translateX(5px);
}

.category-item.active {
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.2), rgba(255, 0, 255, 0.1));
    color: var(--cyber-cyan);
    border-color: var(--cyber-cyan);
    box-shadow: var(--glow-cyan);
    text-shadow: 0 0 10px var(--cyber-cyan);
}

.category-item.active::before {
    color: var(--cyber-cyan);
    content: '▶ ';
}

.category-item i {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.category-item span {
    flex: 1;
    white-space: nowrap;
    overflow: visible;
}

/* 右侧内容区域 */
.content-area {
    flex: 1;
    min-width: 0;
}

/* 内容区块 */
.content-section {
    margin-bottom: 3rem;
    scroll-margin-top: 120px;
}

.section-header {
    margin-bottom: 2rem;
    position: relative;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.8), rgba(42, 42, 42, 0.6));
    border-radius: 10px;
    border: 1px solid var(--cyber-border);
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--cyber-cyan);
    margin-bottom: 0.5rem;
    text-shadow: var(--glow-cyan);
    font-family: 'Orbitron', monospace;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-subtitle {
    color: var(--cyber-text-dim);
    font-size: 1rem;
    font-family: 'JetBrains Mono', monospace;
}

.section-subtitle::before {
    content: '// ';
    color: var(--cyber-green);
}

/* 工具网格 */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .tool-card:hover {
        transform: none;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        border-color: var(--cyber-border);
    }
    
    .tool-card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .nav-item:hover {
        background: rgba(42, 42, 42, 0.3);
        transform: none;
    }
    
    .nav-item:active {
        background: rgba(0, 255, 255, 0.1);
        transform: scale(0.98);
    }
    
    .search-btn:hover {
        transform: none;
    }
    
    .search-btn:active {
        transform: scale(0.95);
    }
    
    .tool-link:hover {
        transform: none;
    }
    
    .tool-link:active {
        transform: scale(0.95);
    }
}

/* 工具卡片 - 终端窗口风格 */
.tool-card {
    background: var(--cyber-surface);
    border-radius: 12px;
    padding: 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--cyber-border);
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 25px;
    background: linear-gradient(135deg, var(--cyber-surface), var(--cyber-border));
    border-bottom: 1px solid var(--cyber-border);
}

.tool-card::after {
    content: '● ● ●';
    position: absolute;
    top: 8px;
    left: 10px;
    font-size: 0.6rem;
    color: var(--cyber-text-dim);
    letter-spacing: 3px;
}

.tool-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 255, 255, 0.3);
    border-color: var(--cyber-cyan);
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 35px 1.5rem 1rem 1.5rem;
}

.tool-logo {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--cyber-cyan), var(--cyber-magenta));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyber-bg);
    font-weight: 700;
    font-size: 1.2rem;
    font-family: 'Orbitron', monospace;
    box-shadow: var(--glow-cyan);
    position: relative;
}

.tool-logo::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, var(--cyber-cyan), var(--cyber-magenta), var(--cyber-green));
    border-radius: 10px;
    z-index: -1;
    animation: logoGlow 2s linear infinite;
}

@keyframes logoGlow {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.tool-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--cyber-text);
    margin-bottom: 0.25rem;
    font-family: 'Orbitron', monospace;
}

.tool-category {
    font-size: 0.8rem;
    color: var(--cyber-text-dim);
    font-family: 'JetBrains Mono', monospace;
}

.tool-category::before {
    content: '[';
    color: var(--cyber-green);
}

.tool-category::after {
    content: ']';
    color: var(--cyber-green);
}

.tool-description {
    color: var(--cyber-text-dim);
    margin: 0 1.5rem 1rem 1.5rem;
    line-height: 1.5;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
}

.tool-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 1.5rem 1.5rem 1.5rem;
}

.tool-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tool-tag {
    background: rgba(0, 255, 255, 0.1);
    color: var(--cyber-cyan);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
    border: 1px solid rgba(0, 255, 255, 0.3);
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tool-pricing {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid;
}

.pricing-free {
    background: rgba(0, 255, 0, 0.1);
    color: var(--cyber-green);
    border-color: var(--cyber-green);
}

.pricing-paid {
    background: rgba(255, 102, 0, 0.1);
    color: var(--cyber-orange);
    border-color: var(--cyber-orange);
}

.pricing-freemium {
    background: rgba(0, 102, 255, 0.1);
    color: var(--cyber-blue);
    border-color: var(--cyber-blue);
}

.tool-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(45deg, var(--cyber-cyan), var(--cyber-blue));
    color: var(--cyber-bg);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.3s ease;
    margin: 0 1.5rem 1.5rem 1.5rem;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
}

.tool-link::before {
    content: '>';
    font-weight: bold;
}

.tool-link:hover {
    box-shadow: var(--glow-cyan);
    transform: scale(1.05);
    background: linear-gradient(45deg, var(--cyber-magenta), var(--cyber-cyan));
}

/* 页脚 */
.footer {
    background: var(--cyber-surface);
    color: var(--cyber-text-dim);
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    border-top: 2px solid var(--cyber-cyan);
    font-family: 'JetBrains Mono', monospace;
}

.footer::before {
    content: '// 文件结束 - AI编程导航站';
    display: block;
    margin-bottom: 1rem;
    color: var(--cyber-green);
    font-size: 0.8rem;
    letter-spacing: 2px;
}

/* 搜索结果状态 */
.no-results {
    text-align: center;
    color: var(--cyber-text-dim);
    padding: 3rem;
    font-size: 1.1rem;
    font-family: 'JetBrains Mono', monospace;
}

.no-results::before {
    content: '404 - 未找到搜索结果';
    display: block;
    color: var(--cyber-orange);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

/* 响应式设计 */
@media (max-width: 1400px) {
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 1200px) {
    .sidebar {
        width: 320px;
    }
    
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 1.2rem;
    }
}

@media (max-width: 1024px) {
    .main-layout {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem;
    }
    
    .sidebar {
        width: 100%;
        position: static;
        max-height: 300px;
        overflow-y: auto;
        top: auto;
    }
    
    .sidebar-content {
        max-height: 280px;
        overflow-y: auto;
        padding: 1.2rem;
    }
    
    .category-nav {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 0.5rem;
    }
    
    .category-item {
        padding: 0.6rem 0.8rem;
        font-size: 0.85rem;
        text-align: center;
        justify-content: center;
    }
    
    .hero {
        padding: 2.5rem 0;
    }
    
    .hero-title {
        font-size: 2.8rem;
        letter-spacing: 2px;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }
    
    .header {
        padding: 0.8rem 0;
    }
    
    .nav {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        position: relative;
    }
    
    .nav::before {
        display: none;
    }
    
    .logo-icon {
        font-size: 1.8rem;
    }
    
    .logo-text {
        font-size: 1.3rem;
        letter-spacing: 1px;
    }
    
    .mobile-menu-btn {
        display: flex;
        z-index: 101;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: linear-gradient(135deg, rgba(26, 26, 26, 0.98), rgba(42, 42, 42, 0.98));
        backdrop-filter: blur(20px);
        border-left: 2px solid var(--cyber-cyan);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.7);
        flex-direction: column;
        padding: 80px 2rem 2rem 2rem;
        gap: 1rem;
        transition: right 0.3s ease;
        z-index: 100;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-item {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
        border-radius: 8px;
        display: block;
        text-align: left;
        background: rgba(42, 42, 42, 0.3);
        border: 1px solid var(--cyber-border);
    }
    
    .nav-item:hover,
    .nav-item.active {
        background: rgba(0, 255, 255, 0.1);
        transform: translateX(10px);
    }
    
    .hero {
        padding: 2rem 0;
        margin-bottom: 1.5rem;
    }
    
    .hero::before {
        font-size: 0.7rem;
        left: 15px;
        top: 8px;
    }
    
    .hero-title {
        font-size: 2.2rem;
        letter-spacing: 1px;
        margin-bottom: 0.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .search-container {
        max-width: 100%;
        padding: 0 1rem;
    }
    
    .search-container::before {
        left: 1rem;
    }
    
    .search-box {
        padding: 0.4rem;
    }
    
    .search-box::before {
        display: none;
    }
    
    .search-input {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    
    .search-btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }
    
    .main-layout {
        padding: 1.2rem;
        gap: 1.2rem;
    }
    
    .sidebar-content {
        padding: 1rem;
    }
    
    .sidebar-title {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
    
    .category-nav {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }
    
    .category-item {
        padding: 0.7rem 1rem;
        font-size: 0.85rem;
        text-align: left;
        justify-content: flex-start;
    }
    
    .section-title {
        font-size: 1.3rem;
        margin-bottom: 0.8rem;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .tool-card {
        border-radius: 10px;
    }
    
    .tool-header {
        flex-direction: row;
        align-items: center;
        gap: 0.8rem;
        margin: 30px 1.2rem 0.8rem 1.2rem;
    }
    
    .tool-logo {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .tool-info h3 {
        font-size: 1rem;
    }
    
    .tool-category {
        font-size: 0.75rem;
    }
    
    .tool-description {
        margin: 0 1.2rem 0.8rem 1.2rem;
        font-size: 0.85rem;
        line-height: 1.4;
    }
    
    .tool-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
        margin: 0 1.2rem 1.2rem 1.2rem;
    }
    
    .tool-tags {
        gap: 0.4rem;
    }
    
    .tool-tag {
        font-size: 0.65rem;
        padding: 0.2rem 0.6rem;
    }
    
    .tool-pricing {
        font-size: 0.65rem;
        padding: 0.2rem 0.6rem;
    }
    
    .tool-link {
        margin: 0 1.2rem 1.2rem 1.2rem;
        padding: 0.6rem 1rem;
        font-size: 0.75rem;
        width: calc(100% - 2.4rem);
        text-align: center;
        justify-content: center;
    }
    
    .footer {
        padding: 1.5rem 0;
        margin-top: 2rem;
    }
    
    .footer::before {
        font-size: 0.7rem;
        margin-bottom: 0.8rem;
    }
}

@media (max-width: 480px) {
    /* 移动端性能优化 - 减少动画和特效 */
    body::before,
    body::after {
        display: none;
    }
    
    .tool-card::before {
        background: var(--cyber-surface);
    }
    
    .tool-logo::before {
        display: none;
    }
    
    .main-layout::before {
        animation: none;
    }
    
    .hero-title {
        animation: none;
        background: var(--cyber-cyan);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .container {
        padding: 0 10px;
    }
    
    .header {
        padding: 0.6rem 0;
    }
    
    .logo-icon {
        font-size: 1.6rem;
    }
    
    .logo-text {
        font-size: 1.1rem;
    }
    
    .mobile-menu-btn span {
        width: 22px;
        height: 2px;
    }
    
    .nav-menu {
        width: 250px;
        padding: 70px 1.5rem 1.5rem 1.5rem;
    }
    
    .nav-item {
        padding: 0.7rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .nav-item::before,
    .nav-item::after {
        display: none;
    }
    
    .hero {
        padding: 1.5rem 0;
        border-radius: 15px;
    }
    
    .hero::before {
        font-size: 0.6rem;
        left: 12px;
        top: 6px;
    }
    
    .hero-title {
        font-size: 1.8rem;
        letter-spacing: 0.5px;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
        margin-bottom: 1.2rem;
    }
    
    .search-container {
        padding: 0 0.5rem;
    }
    
    .search-container::before {
        left: 0.5rem;
        font-size: 0.6rem;
    }
    
    .search-box {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.6rem;
        border-radius: 8px;
    }
    
    .search-input {
        padding: 0.7rem;
        font-size: 0.85rem;
        border-radius: 6px;
        border: 1px solid var(--cyber-border);
    }
    
    .search-btn {
        padding: 0.7rem;
        font-size: 0.8rem;
        border-radius: 6px;
        width: 100%;
    }
    
    .main-layout {
        padding: 1rem;
        gap: 1rem;
        border-radius: 15px;
    }
    
    .sidebar {
        max-height: 250px;
    }
    
    .sidebar-content {
        padding: 0.8rem;
        border-radius: 12px;
        max-height: 230px;
    }
    
    .sidebar-content::before {
        font-size: 0.6rem;
        left: 12px;
    }
    
    .sidebar-title {
        font-size: 1rem;
        margin-bottom: 0.8rem;
    }
    
    .category-item {
        padding: 0.6rem 0.8rem;
        font-size: 0.8rem;
        border-radius: 6px;
    }
    
    .category-item i {
        display: none;
    }
    
    .section-header {
        margin-bottom: 1rem;
    }
    
    .section-title {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
    }
    
    .section-subtitle {
        font-size: 0.85rem;
    }
    
    .tools-grid {
        gap: 0.8rem;
    }
    
    .tool-card {
        border-radius: 8px;
    }
    
    .tool-card::before {
        height: 20px;
    }
    
    .tool-card::after {
        top: 6px;
        left: 8px;
        font-size: 0.5rem;
    }
    
    .tool-header {
        margin: 25px 1rem 0.6rem 1rem;
        gap: 0.6rem;
    }
    
    .tool-logo {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        border-radius: 6px;
    }
    
    .tool-info h3 {
        font-size: 0.95rem;
    }
    
    .tool-category {
        font-size: 0.7rem;
    }
    
    .tool-description {
        margin: 0 1rem 0.6rem 1rem;
        font-size: 0.8rem;
        line-height: 1.3;
    }
    
    .tool-footer {
        margin: 0 1rem 1rem 1rem;
        gap: 0.6rem;
    }
    
    .tool-tag {
        font-size: 0.6rem;
        padding: 0.15rem 0.5rem;
        border-radius: 8px;
    }
    
    .tool-pricing {
        font-size: 0.6rem;
        padding: 0.15rem 0.5rem;
        border-radius: 8px;
    }
    
    .tool-link {
        margin: 0 1rem 1rem 1rem;
        padding: 0.5rem 0.8rem;
        font-size: 0.7rem;
        width: calc(100% - 2rem);
        border-radius: 6px;
    }
    
    .footer {
        padding: 1.2rem 0;
    }
    
    .footer::before {
        font-size: 0.65rem;
    }
    
    .footer p {
        font-size: 0.8rem;
    }
    
    /* 启动屏幕移动端优化 */
    .boot-logo {
        font-size: 2.5rem;
    }
    
    .boot-line {
        font-size: 0.8rem;
    }
}

@media (max-width: 360px) {
    .hero-title {
        font-size: 1.5rem;
        letter-spacing: 0px;
    }
    
    .search-container {
        padding: 0 0.2rem;
    }
    
    .main-layout {
        padding: 0.8rem;
    }
    
    .sidebar-content {
        padding: 0.6rem;
    }
    
    .category-item {
        padding: 0.5rem 0.6rem;
        font-size: 0.75rem;
    }
    
    .tool-header {
        margin: 22px 0.8rem 0.5rem 0.8rem;
    }
    
    .tool-description {
        margin: 0 0.8rem 0.5rem 0.8rem;
    }
    
    .tool-footer {
        margin: 0 0.8rem 0.8rem 0.8rem;
    }
    
    .tool-link {
        margin: 0 0.8rem 0.8rem 0.8rem;
        width: calc(100% - 1.6rem);
    }
}

/* 加载动画 */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
    color: var(--cyber-cyan);
    font-family: 'JetBrains Mono', monospace;
}

.loading::before {
    content: '正在加载数据';
    animation: loadingText 2s infinite;
    margin-right: 1rem;
    letter-spacing: 2px;
}

@keyframes loadingText {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--cyber-border);
    border-top: 2px solid var(--cyber-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}

/* 特殊动画效果 */
@keyframes matrix {
    0% { color: var(--cyber-green); }
    33% { color: var(--cyber-cyan); }
    66% { color: var(--cyber-magenta); }
    100% { color: var(--cyber-green); }
}

/* 终端风格滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--cyber-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--cyber-cyan);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--cyber-magenta);
}

/* 左侧边栏专用滚动条 */
.sidebar-content::-webkit-scrollbar {
    width: 6px;
}

.sidebar-content::-webkit-scrollbar-track {
    background: rgba(42, 42, 42, 0.5);
    border-radius: 3px;
}

.sidebar-content::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--cyber-cyan), var(--cyber-magenta));
    border-radius: 3px;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.sidebar-content::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--cyber-magenta), var(--cyber-green));
    box-shadow: 0 0 15px rgba(255, 0, 255, 0.7);
}

/* 启动画面 */
.boot-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--cyber-bg);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bootFadeOut 1s ease-in-out 4s forwards;
}

.boot-content {
    text-align: center;
    max-width: 600px;
}

.boot-logo {
    font-family: 'Orbitron', monospace;
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(45deg, var(--cyber-cyan), var(--cyber-magenta), var(--cyber-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 300% 300%;
    animation: gradientShift 2s ease-in-out infinite, logoAppear 0.5s ease-out;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.boot-progress {
    width: 100%;
    height: 4px;
    background: var(--cyber-border);
    border-radius: 2px;
    margin-bottom: 2rem;
    overflow: hidden;
}

.boot-progress-bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--cyber-cyan), var(--cyber-magenta));
    border-radius: 2px;
    animation: progressFill 3s ease-in-out forwards;
    box-shadow: var(--glow-cyan);
}

.boot-text {
    font-family: 'JetBrains Mono', monospace;
    color: var(--cyber-text);
    text-align: left;
}

.boot-line {
    opacity: 0;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    color: var(--cyber-green);
    animation: typeIn 0.8s ease-out forwards;
}

.boot-line:nth-child(1) { animation-delay: 0.5s; }
.boot-line:nth-child(2) { animation-delay: 1s; }
.boot-line:nth-child(3) { animation-delay: 1.5s; }
.boot-line:nth-child(4) { animation-delay: 2s; }
.boot-line:nth-child(5) { 
    animation-delay: 2.5s; 
    color: var(--cyber-cyan);
    font-weight: bold;
}

@keyframes logoAppear {
    0% { 
        opacity: 0; 
        transform: scale(0.5); 
    }
    100% { 
        opacity: 1; 
        transform: scale(1); 
    }
}

@keyframes progressFill {
    0% { width: 0%; }
    100% { width: 100%; }
}

@keyframes typeIn {
    0% { 
        opacity: 0; 
        transform: translateX(-20px); 
    }
    100% { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

@keyframes bootFadeOut {
    0% { 
        opacity: 1; 
        visibility: visible; 
    }
    100% { 
        opacity: 0; 
        visibility: hidden; 
    }
}