/**
 * NexusTools - 深色科技风格
 * 灵感来源：Bento Grid + 玻璃拟态 + 霓虹渐变
 */

/* ========== 字体 ========== */
@font-face {
    font-family: 'Space Grotesk';
    src: url('../font/SpaceGrotesk-VariableFont_wght.ttf') format('truetype');
    font-weight: 300 700;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('../font/Inter-VariableFont_opsz,wght.ttf') format('truetype');
    font-weight: 100 900;
    font-display: swap;
}

/* ========== 配色系统 ========== */
:root {
    /* 浅色背景 - 清新白底 */
    --bg-primary: #fefefe;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 230, 242, 0.15);
    --bg-card-hover: rgba(255, 230, 242, 0.3);
    
    /* 玻璃效果 */
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(230, 200, 230, 0.3);
    --glass-border-hover: rgba(200, 150, 200, 0.4);
    
    /* 主渐变：浅粉→淡紫 */
    --gradient-purple: linear-gradient(135deg, #FFE6F2 0%, #E6E6FA 100%);
    --gradient-primary: linear-gradient(135deg, #FFB6D9 0%, #D4B8E8 100%);
    --gradient-accent: linear-gradient(135deg, #F8BBD9 0%, #E1BEE7 100%);
    
    /* 辅助渐变：薄荷绿→浅蓝 */
    --gradient-mint: linear-gradient(135deg, #D4FFE8 0%, #E6F7FF 100%);
    --gradient-blue: linear-gradient(135deg, #B3E5FC 0%, #E1BEE7 100%);
    --gradient-cyan: linear-gradient(135deg, #B2EBF2 0%, #B3E5FC 100%);
    
    /* 其他渐变 */
    --gradient-pink: linear-gradient(135deg, #F8BBD9 0%, #FFCDD2 100%);
    --gradient-green: linear-gradient(135deg, #C8E6C9 0%, #B2DFDB 100%);
    --gradient-orange: linear-gradient(135deg, #FFE0B2 0%, #FFCCBC 100%);
    
    /* 主题色 - 柔和粉紫 */
    --neon-purple: #C792EA;
    --neon-pink: #F48FB1;
    --neon-blue: #81D4FA;
    --neon-cyan: #80DEEA;
    --neon-green: #A5D6A7;
    
    /* 点缀色 - 鹅黄 */
    --accent-yellow: #FFFACD;
    --accent-warm: #FFF8E1;
    
    /* 文字颜色 */
    --text-primary: #4A4A6A;
    --text-secondary: #6B6B8D;
    --text-muted: #9999B3;
    
    /* 阴影 - 柔和 */
    --shadow-glow: 0 0 60px rgba(200, 150, 200, 0.15);
    --shadow-card: 0 8px 32px rgba(200, 150, 200, 0.12);
    --shadow-soft: 0 4px 20px rgba(200, 150, 200, 0.1);
    
    /* 圆角 */
    --radius-sm: 10px;
    --radius: 14px;
    --radius-lg: 22px;
    --radius-xl: 30px;
    
    /* 字体 */
    --font-display: 'Space Grotesk', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    
    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== 深色主题 ========== */
[data-theme="dark"] {
    --bg-primary: #1e1a2e;
    --bg-secondary: #252035;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    
    --glass: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(200, 150, 200, 0.15);
    --glass-border-hover: rgba(200, 150, 200, 0.25);
    
    --gradient-purple: linear-gradient(135deg, #C792EA 0%, #F48FB1 100%);
    --gradient-primary: linear-gradient(135deg, #B388FF 0%, #EA80FC 100%);
    
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.75);
    --text-muted: rgba(255, 255, 255, 0.45);
    
    --shadow-glow: 0 0 60px rgba(199, 146, 234, 0.2);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ========== 基础重置 ========== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 15px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection {
    background: var(--neon-pink);
    color: white;
}

::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(200, 150, 200, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(200, 150, 200, 0.5);
}

a {
    color: inherit;
    text-decoration: none;
}

/* ========== 背景光效 ========== */
.bg-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

[data-theme="dark"] .bg-glow {
    opacity: 0.6;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.5;
    animation: orbFloat 20s ease-in-out infinite;
}

.glow-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 182, 217, 0.35) 0%, transparent 70%);
    top: -200px;
    left: -100px;
}

.glow-orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 184, 232, 0.3) 0%, transparent 70%);
    top: -150px;
    right: -100px;
    animation-delay: -5s;
}

.glow-orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 255, 232, 0.25) 0%, transparent 70%);
    bottom: -100px;
    left: 30%;
    animation-delay: -10s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ========== 页面加载动画 ========== */
.page-loader {
    position: fixed;
    inset: 0;
    background: #fefefe;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

[data-theme="dark"] .page-loader {
    background: #1e1a2e;
}

.page-loader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 2px solid var(--glass-border);
    border-top-color: var(--neon-pink);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loader-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 3px;
    text-transform: uppercase;
}


/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
}

[data-theme="dark"] .navbar {
    background: rgba(35, 30, 55, 0.95);
    border-bottom-color: rgba(200, 150, 200, 0.15);
}

.navbar-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    height: 38px;
    width: auto;
    max-width: 180px;
    max-height: 38px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
}

.brand-icon {
    width: 38px;
    height: 38px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
    box-shadow: 0 4px 15px rgba(200, 150, 200, 0.3);
}

.brand-text {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 20px;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--glass);
}

.nav-link.active {
    color: var(--text-primary);
    background: var(--glass);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-btn {
    width: 40px;
    height: 40px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.nav-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--glass-border-hover);
    color: var(--text-primary);
}

.nav-btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: white;
}

.nav-btn-primary:hover {
    box-shadow: 0 4px 20px rgba(200, 150, 200, 0.4);
    transform: translateY(-2px);
}

/* ========== 英雄区域 ========== */
.hero {
    position: relative;
    padding: 160px 32px 100px;
    max-width: 1400px;
    margin: 0 auto;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 10px var(--neon-green);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 550px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(200, 150, 200, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 8px 30px rgba(200, 150, 200, 0.5);
    transform: translateY(-3px);
}

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

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--glass-border-hover);
}

/* 统计数据 */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-stat {
    text-align: left;
}

.hero-stat-value {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* 右侧卡片预览 */
.hero-preview {
    position: absolute;
    top: 140px;
    right: 32px;
    width: 440px;
    height: 480px;
}

.preview-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 24px;
    backdrop-filter: blur(20px);
    transition: var(--transition);
    animation: cardSlideIn 0.8s ease-out both;
}

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateX(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.preview-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(168, 85, 247, 0.15);
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.preview-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-pink);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    animation: iconPulse 3s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.preview-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.preview-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* 预览工具列表 */
.preview-tools {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.preview-tool-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: var(--bg-card);
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.preview-tool-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--glass-border);
    color: var(--text-primary);
    transform: translateX(4px);
}

.preview-tool-item i {
    font-size: 0.9rem;
    color: var(--neon-purple);
}

.preview-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.preview-stat {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 14px 10px;
    text-align: center;
    transition: var(--transition);
}

.preview-stat:hover {
    background: var(--bg-card-hover);
}

.preview-stat-value {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--neon-blue);
}

.preview-stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* 浮动小卡片 */
.preview-float {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 40px rgba(200, 150, 200, 0.2);
    animation: floatCard 6s ease-in-out infinite, floatIn 0.6s ease-out both;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: default;
}

[data-theme="dark"] .preview-float {
    background: rgba(37, 32, 53, 0.95);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.preview-float-1 {
    top: -20px;
    right: -30px;
    animation-delay: 0s, 0.3s;
}

.preview-float-2 {
    bottom: 100px;
    left: -60px;
    animation-delay: -2s, 0.5s;
}

.preview-float-3 {
    bottom: -10px;
    right: 40px;
    animation-delay: -4s, 0.7s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes floatIn {
    from { 
        opacity: 0; 
        transform: translateY(30px) scale(0.8); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
}

.preview-float-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
}

.preview-float-1 .preview-float-icon {
    background: var(--gradient-mint);
    color: #4CAF50;
}

.preview-float-2 .preview-float-icon {
    background: var(--gradient-orange);
    color: #FF9800;
}

.preview-float-3 .preview-float-icon {
    background: var(--gradient-pink);
    color: #E91E63;
}

.preview-float-text {
    display: flex;
    flex-direction: column;
}

.preview-float-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.preview-float-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* 装饰元素 */
.preview-decoration {
    position: absolute;
    top: 50%;
    left: -80px;
    transform: translateY(-50%);
    pointer-events: none;
}

.decoration-ring {
    width: 120px;
    height: 120px;
    border: 2px dashed var(--glass-border);
    border-radius: 50%;
    animation: rotateSlow 30s linear infinite;
}

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

.decoration-dots {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    gap: 8px;
}

.decoration-dots span {
    width: 6px;
    height: 6px;
    background: var(--neon-pink);
    border-radius: 50%;
    animation: dotPulse 2s ease-in-out infinite;
}

.decoration-dots span:nth-child(2) {
    animation-delay: 0.3s;
}

.decoration-dots span:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes dotPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.3); }
}


/* ========== Bento Grid 工具区域 ========== */
.tools-section {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 32px 100px;
    z-index: 1;
}

#tools {
    scroll-margin-top: 70px;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--neon-purple);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.section-desc {
    font-size: 1rem;
    color: var(--text-muted);
}

/* 分类标签 */
.category-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 50px;
}

.category-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.category-tab i {
    font-size: 0.8rem;
}

.category-tab:hover {
    background: var(--bg-card-hover);
    border-color: var(--glass-border-hover);
    color: var(--text-primary);
}

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

.category-tab .count {
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 100px;
    font-size: 0.7rem;
}

/* Bento Grid 布局 */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(160px, auto);
    gap: 20px;
}

/* 工具卡片 */
.tool-card {
    position: relative;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

[data-theme="dark"] .tool-card {
    background: rgba(255, 255, 255, 0.05);
}

.tool-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 182, 217, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
}

.tool-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-card), 0 0 30px rgba(200, 150, 200, 0.15);
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.tool-card:hover .tool-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 8px 25px rgba(200, 150, 200, 0.4);
}

/* 不同颜色的图标 */
.tool-card:nth-child(3n+1) .tool-icon { background: var(--gradient-primary); }
.tool-card:nth-child(3n+2) .tool-icon { background: var(--gradient-mint); color: #4CAF50; }
.tool-card:nth-child(3n) .tool-icon { background: var(--gradient-pink); }
.tool-card:nth-child(5n) .tool-icon { background: var(--gradient-green); color: #4CAF50; }
.tool-card:nth-child(7n) .tool-icon { background: var(--gradient-orange); color: #FF9800; }

.tool-name {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.tool-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex: 1;
    position: relative;
    z-index: 1;
}

.tool-arrow {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition);
}

.tool-card:hover .tool-arrow {
    opacity: 1;
    transform: translateX(0);
    background: var(--gradient-primary);
    color: white;
}

/* 特色大卡片 */
.tool-card.featured {
    grid-column: span 2;
    grid-row: span 2;
    padding: 32px;
}

.tool-card.featured .tool-icon {
    width: 64px;
    height: 64px;
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.tool-card.featured .tool-name {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.tool-card.featured .tool-desc {
    font-size: 0.95rem;
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 12px;
    background: var(--accent-yellow);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    color: #FF9800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

/* 宽卡片 */
.tool-card.wide {
    grid-column: span 2;
}


/* ========== 特性展示区 ========== */
.features-section {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 80px 32px;
    z-index: 1;
}

#features {
    scroll-margin-top: 70px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-5px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-card);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 1.3rem;
}

.feature-card:nth-child(1) .feature-icon { color: var(--neon-purple); }
.feature-card:nth-child(2) .feature-icon { color: var(--neon-pink); }
.feature-card:nth-child(3) .feature-icon { color: var(--neon-cyan); }
.feature-card:nth-child(4) .feature-icon { color: var(--neon-green); }

.feature-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ========== 页脚 ========== */
.footer {
    position: relative;
    background: #faf8fc;
    border-top: 1px solid var(--glass-border);
    padding: 50px 32px;
    z-index: 1;
}

[data-theme="dark"] .footer {
    background: #252035;
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-brand-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: white;
}

.footer-brand-text {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-link {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--neon-pink);
}

/* ========== 侧边浮动工具栏 ========== */
.floating-toolbar {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1000;
    padding: 16px 12px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.floating-toolbar.visible {
    opacity: 1;
    visibility: visible;
}

[data-theme="dark"] .floating-toolbar {
    background: rgba(37, 32, 53, 0.9);
    border-color: rgba(200, 150, 200, 0.15);
}

.toolbar-btn {
    position: relative;
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid transparent;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.toolbar-btn:hover {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(200, 150, 200, 0.4);
}

.toolbar-btn:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    padding: 8px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    font-size: 0.8rem;
    white-space: nowrap;
    color: var(--text-primary);
    box-shadow: var(--shadow-card);
    animation: tooltipFade 0.2s ease;
}

@keyframes tooltipFade {
    from { opacity: 0; transform: translateY(-50%) translateX(10px); }
    to { opacity: 1; transform: translateY(-50%) translateX(0); }
}

/* 移动端浮动工具栏 */
@media (max-width: 768px) {
    .floating-toolbar {
        right: 16px;
        padding: 12px 10px;
        gap: 10px;
    }
    
    .toolbar-btn {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
    
    .toolbar-btn:hover::after {
        display: none;
    }
}

/* ========== 搜索模态框 ========== */
.search-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(74, 74, 106, 0.5);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

[data-theme="dark"] .search-modal {
    background: rgba(30, 26, 46, 0.85);
}

.search-modal.active {
    opacity: 1;
    visibility: visible;
}

.search-container {
    width: 100%;
    max-width: 600px;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transform: translateY(-20px) scale(0.95);
    transition: var(--transition);
}

.search-modal.active .search-container {
    transform: translateY(0) scale(1);
}

.search-header {
    display: flex;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--glass-border);
    gap: 16px;
}

.search-header i {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.search-header input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-size: 1.1rem;
    color: var(--text-primary);
}

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

.search-close {
    width: 36px;
    height: 36px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.search-close:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.search-hint {
    padding: 12px 24px;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--glass-border);
}

.search-hint kbd {
    padding: 3px 8px;
    background: var(--glass);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.7rem;
}

.search-results {
    max-height: 400px;
    overflow-y: auto;
    padding: 12px;
}

.search-empty {
    padding: 50px;
    text-align: center;
    color: var(--text-muted);
}

.search-empty i {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
    opacity: 0.3;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

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

.search-result-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
    flex-shrink: 0;
}

.search-result-info h4 {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 3px;
}

.search-result-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.search-result-info mark {
    background: rgba(244, 143, 177, 0.3);
    color: var(--neon-pink);
    padding: 0 3px;
    border-radius: 3px;
}


/* ========== 工具页面 ========== */
.tool-page {
    padding-top: 70px;
    min-height: 100vh;
}

.tool-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--glass-border);
    padding: 40px 32px;
}

.tool-header-inner {
    max-width: 1000px;
    margin: 0 auto;
}

.tool-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.tool-breadcrumb a {
    color: var(--neon-purple);
    transition: var(--transition);
}

.tool-breadcrumb a:hover {
    text-decoration: underline;
}

.tool-header-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.tool-header-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: white;
    box-shadow: 0 8px 25px rgba(200, 150, 200, 0.3);
}

.tool-header-info h1 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.tool-header-info p {
    font-size: 1rem;
    color: var(--text-secondary);
}

.tool-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 32px;
}

.tool-workspace {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 32px;
}

.tool-input-group {
    margin-bottom: 24px;
}

.tool-input-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.tool-input-group label i {
    color: var(--neon-purple);
}

.tool-textarea {
    width: 100%;
    min-height: 150px;
    padding: 16px 18px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.7;
    resize: vertical;
    outline: none;
    transition: var(--transition);
}

.tool-textarea:focus {
    border-color: var(--neon-pink);
    box-shadow: 0 0 0 3px rgba(244, 143, 177, 0.15);
}

.tool-textarea::placeholder {
    color: var(--text-muted);
}

.tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.tool-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.tool-btn i {
    font-size: 0.85rem;
}

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

.tool-btn-primary:hover {
    box-shadow: 0 4px 20px rgba(200, 150, 200, 0.4);
    transform: translateY(-2px);
}

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

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

.tool-output {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.tool-output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: var(--glass);
    border-bottom: 1px solid var(--glass-border);
}

.tool-output-title {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tool-output-title i {
    color: var(--neon-purple);
}

.tool-copy-btn {
    padding: 8px 14px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tool-copy-btn:hover {
    border-color: var(--neon-pink);
    color: var(--neon-pink);
}

.tool-copy-btn.copied {
    background: var(--neon-green);
    border-color: var(--neon-green);
    color: white;
}

.tool-result {
    padding: 18px;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-all;
    min-height: 100px;
}

/* 工具空状态 */
.tool-empty {
    text-align: center;
    padding: 60px 20px;
}

.tool-empty-icon {
    width: 80px;
    height: 80px;
    background: var(--glass);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--neon-purple);
    margin: 0 auto 24px;
}

.tool-empty h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.tool-empty p {
    font-size: 0.95rem;
    color: var(--text-muted);
}


/* ========== 分类页面 ========== */
.category-hero {
    padding: 140px 32px 60px;
    text-align: center;
}

.category-hero-icon {
    width: 90px;
    height: 90px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: white;
    margin: 0 auto 28px;
    box-shadow: 0 10px 40px rgba(200, 150, 200, 0.3);
}

.category-hero-title {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.category-hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.category-stat {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.category-stat i {
    color: var(--neon-purple);
}

/* ========== 关于页面 ========== */
.about-hero {
    padding: 160px 32px 80px;
    text-align: center;
}

.about-hero-title {
    font-family: var(--font-display);
    font-size: 3.2rem;
    font-weight: 700;
    margin-bottom: 18px;
}

.about-hero-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

.about-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 32px 100px;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.about-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 36px;
    transition: var(--transition);
}

.about-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-5px);
}

.about-card-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.about-card:nth-child(1) .about-card-icon { color: var(--neon-purple); }
.about-card:nth-child(2) .about-card-icon { color: var(--neon-pink); }
.about-card:nth-child(3) .about-card-icon { color: var(--neon-cyan); }

.about-card-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 14px;
}

.about-card-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.about-tech {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-bottom: 40px;
}

.about-section-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.about-section-title i {
    color: var(--neon-purple);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--bg-card);
    border-radius: var(--radius);
    transition: var(--transition);
}

.tech-item:hover {
    background: var(--bg-card-hover);
}

.tech-icon {
    width: 40px;
    height: 40px;
    background: var(--glass);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--neon-purple);
}

.tech-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

.about-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    padding: 50px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    margin-bottom: 40px;
}

.about-stat-item {
    text-align: center;
}

.about-stat-value {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 6px;
}

.about-stat-divider {
    width: 1px;
    height: 60px;
    background: var(--glass-border);
}

.about-cta {
    text-align: center;
    padding: 50px;
    background: linear-gradient(135deg, rgba(255, 182, 217, 0.15) 0%, rgba(212, 184, 232, 0.15) 100%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
}

.about-cta h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.about-cta p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

/* ========== Toast通知 ========== */
.toast-container {
    position: fixed;
    top: 90px;
    right: 30px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    font-size: 0.9rem;
    animation: toastIn 0.3s ease;
}

.toast.success { border-left: 3px solid var(--neon-green); }
.toast.success i { color: var(--neon-green); }

.toast.error { border-left: 3px solid #ef4444; }
.toast.error i { color: #ef4444; }

.toast.info { border-left: 3px solid var(--neon-purple); }
.toast.info i { color: var(--neon-purple); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ========== 全局美化弹窗 ========== */
.global-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.global-modal-box {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    width: 90%;
    max-width: 420px;
    text-align: center;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.global-modal-overlay.active .global-modal-box {
    transform: scale(1) translateY(0);
}

.global-modal-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.global-modal-icon i {
    display: inline-block;
    animation: modalIconPop 0.4s ease;
}

@keyframes modalIconPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.global-modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.global-modal-message {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.global-modal-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 24px;
    transition: var(--transition);
}

.global-modal-input:focus {
    outline: none;
    border-color: var(--neon-pink);
    box-shadow: 0 0 0 3px rgba(244, 143, 177, 0.15);
}

.global-modal-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.global-modal-btn {
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.global-modal-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(200, 150, 200, 0.3);
}

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

.global-modal-btn.secondary:hover {
    border-color: var(--neon-pink);
    color: var(--neon-pink);
}

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
    .bento-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .tool-card.featured {
        grid-column: span 3;
        grid-row: span 1;
    }
    
    .hero-preview {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tool-card.featured,
    .tool-card.wide {
        grid-column: span 2;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .navbar-inner {
        justify-content: center;
        gap: 0;
    }
    
    .navbar-menu {
        display: none;
    }
    
    .navbar-brand {
        margin: 0 auto;
    }
    
    .hero {
        padding: 130px 20px 60px;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .bento-grid {
        grid-template-columns: 1fr;
    }
    
    .tool-card.featured,
    .tool-card.wide {
        grid-column: span 1;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-inner {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .about-stat-divider {
        width: 60px;
        height: 1px;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .tools-section,
    .features-section {
        padding-left: 20px;
        padding-right: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .tool-workspace {
        padding: 20px;
    }
}


/* ==================== 公告样式 ==================== */

/* 顶部公告横幅 */
.announcement-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    padding: 12px 24px;
    display: none;
    transition: transform 0.3s ease;
}

.announcement-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.announcement-icon {
    flex-shrink: 0;
}

.announcement-content {
    flex: 1;
    font-size: 0.9rem;
}

.announcement-content strong {
    margin-right: 8px;
}

.announcement-text {
    opacity: 0.9;
}

.announcement-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 4px 8px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.announcement-close:hover {
    opacity: 1;
}

/* 公告类型颜色 - 与主题粉紫色调协调 */
.announcement-info {
    background: linear-gradient(135deg, rgba(255, 182, 217, 0.15), rgba(212, 184, 232, 0.15));
    border-bottom: 1px solid rgba(255, 182, 217, 0.3);
    color: #8a6a9a;
}

.announcement-warning {
    background: linear-gradient(135deg, rgba(255, 200, 180, 0.15), rgba(255, 180, 160, 0.15));
    border-bottom: 1px solid rgba(255, 180, 160, 0.3);
    color: #9a7a6a;
}

.announcement-success {
    background: linear-gradient(135deg, rgba(180, 220, 200, 0.15), rgba(160, 210, 180, 0.15));
    border-bottom: 1px solid rgba(160, 210, 180, 0.3);
    color: #5a8a6a;
}

.announcement-danger {
    background: linear-gradient(135deg, rgba(255, 160, 180, 0.15), rgba(240, 140, 160, 0.15));
    border-bottom: 1px solid rgba(240, 140, 160, 0.3);
    color: #9a5a6a;
}

/* 暗色主题公告样式 */
[data-theme="dark"] .announcement-info {
    background: linear-gradient(135deg, rgba(255, 182, 217, 0.12), rgba(212, 184, 232, 0.12));
    border-bottom: 1px solid rgba(255, 182, 217, 0.2);
    color: #d8b8e8;
}

[data-theme="dark"] .announcement-warning {
    background: linear-gradient(135deg, rgba(255, 200, 180, 0.12), rgba(255, 180, 160, 0.12));
    border-bottom: 1px solid rgba(255, 180, 160, 0.2);
    color: #e8c8b8;
}

[data-theme="dark"] .announcement-success {
    background: linear-gradient(135deg, rgba(180, 220, 200, 0.12), rgba(160, 210, 180, 0.12));
    border-bottom: 1px solid rgba(160, 210, 180, 0.2);
    color: #b8d8c8;
}

[data-theme="dark"] .announcement-danger {
    background: linear-gradient(135deg, rgba(255, 160, 180, 0.12), rgba(240, 140, 160, 0.12));
    border-bottom: 1px solid rgba(240, 140, 160, 0.2);
    color: #e8b8c8;
}

/* 弹窗公告 */
.announcement-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.announcement-popup-overlay.closing {
    animation: fadeOut 0.3s ease forwards;
}

.announcement-popup {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

.announcement-popup-overlay.closing .announcement-popup {
    animation: slideDown 0.3s ease forwards;
}

.announcement-popup-header {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
}

.announcement-popup-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.announcement-popup-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    font-size: 1.2rem;
    transition: color 0.2s;
}

.announcement-popup-close:hover {
    color: var(--text-color);
}

.announcement-popup-body {
    padding: 24px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.announcement-popup-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: flex-end;
}

/* 弹窗公告类型边框 - 与主题协调 */
.announcement-popup.announcement-info {
    border-top: 4px solid #C792EA;
}

.announcement-popup.announcement-warning {
    border-top: 4px solid #FFB6C1;
}

.announcement-popup.announcement-success {
    border-top: 4px solid #A5D6A7;
}

.announcement-popup.announcement-danger {
    border-top: 4px solid #F48FB1;
}

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideDown {
    from { transform: translateY(0); opacity: 1; }
    to { transform: translateY(30px); opacity: 0; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* ==================== 增强页脚样式 ==================== */

.footer-main {
    padding: 60px 0 40px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 48px;
}

.footer-brand-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 300px;
}

.footer-section-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.footer-nav-links {
    display: flex;
    flex-direction: row !important;
    flex-wrap: wrap;
    gap: 8px 20px;
}

.footer-nav-horizontal {
    flex-direction: row !important;
    flex-wrap: wrap;
    gap: 8px 20px;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--neon-pink);
}

/* 友情链接 */
.footer-friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-friend-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.footer-friend-link:hover {
    border-color: var(--neon-pink);
    color: var(--neon-pink);
    transform: translateY(-2px);
}

.friend-link-logo {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    object-fit: contain;
}

/* 底部公告 */
.footer-announcement {
    padding: 12px 24px;
    text-align: center;
    font-size: 0.9rem;
}

/* 底部公告类型颜色 - 柔和版本 */
.footer-announcement.announcement-info {
    background: rgba(199, 146, 234, 0.15);
    color: #9b6bc4;
}

.footer-announcement.announcement-warning {
    background: rgba(255, 182, 193, 0.2);
    color: #c97a8a;
}

.footer-announcement.announcement-success {
    background: rgba(165, 214, 167, 0.2);
    color: #5a9a5e;
}

.footer-announcement.announcement-danger {
    background: rgba(244, 143, 177, 0.2);
    color: #d4708a;
}

.footer-announcement-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* 版权区域 */
.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding: 20px 0;
}

.footer-bottom-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-icp a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.footer-icp a:hover {
    color: var(--neon-pink);
}

/* 响应式 */
@media (max-width: 768px) {
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .footer-desc {
        max-width: none;
    }
    
    .footer-nav-links {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .footer-friend-links {
        justify-content: center;
    }
    
    .footer-bottom-inner {
        flex-direction: column;
        gap: 10px;
    }
    
    .announcement-inner {
        flex-wrap: wrap;
    }
    
    .announcement-content {
        flex-basis: 100%;
        text-align: center;
        order: 1;
    }
    
    .announcement-icon {
        order: 0;
    }
    
    .announcement-close {
        order: 2;
    }
}

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

.ad-container {
    margin: 20px 0;
    text-align: center;
}

.ad-container img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
}

.ad-container a {
    display: inline-block;
}

.ad-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 4px;
}


/* 有公告时调整导航栏位置 */
body.has-announcement .navbar {
    top: 44px;
}

/* 有公告时调整页面内容 - 增加顶部间距 */
body.has-announcement .hero {
    padding-top: 204px; /* 160px + 44px */
}

body.has-announcement.tool-page .tool-header {
    padding-top: 114px; /* 70px + 44px */
}

body.has-announcement .category-hero {
    padding-top: 184px; /* 140px + 44px */
}

body.has-announcement .about-hero {
    padding-top: 204px; /* 160px + 44px */
}


/* ==================== 列表布局样式 ==================== */

.tools-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tools-list .tool-card {
    flex-direction: row;
    align-items: center;
    padding: 20px 24px;
    gap: 20px;
}

.tools-list .tool-card .tool-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 0;
    flex-shrink: 0;
}

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

.tools-list .tool-card .tool-name {
    margin-bottom: 4px;
}

.tools-list .tool-card .tool-desc {
    margin-bottom: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tools-list .tool-card .tool-arrow {
    position: relative;
    bottom: auto;
    right: auto;
    opacity: 0.5;
    transform: none;
}

.tools-list .tool-card:hover .tool-arrow {
    opacity: 1;
}

.tools-list .tool-card.featured,
.tools-list .tool-card.wide {
    grid-column: auto;
    grid-row: auto;
}

.tools-list .featured-badge {
    position: absolute;
    top: 50%;
    right: 60px;
    transform: translateY(-50%);
}

/* 访问量显示 - 右上角位置 */
.tool-views {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 0.7rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--bg-card);
    border-radius: 100px;
    z-index: 2;
    opacity: 0.8;
}

.tool-views i {
    font-size: 0.65rem;
}

.tool-card:hover .tool-views {
    opacity: 1;
    color: var(--text-secondary);
}

/* 推荐卡片访问量 - 左下角位置不变 */
.tool-card.featured .tool-views {
    top: auto;
    right: auto;
    bottom: 24px;
    left: 32px;
    background: var(--glass);
}

/* 列表布局中的访问量 */
.tools-list .tool-views {
    position: relative;
    top: auto;
    right: auto;
    margin-left: auto;
    background: var(--bg-card);
}

/* ==================== 分页样式 ==================== */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 48px;
}

.page-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.page-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--glass-border-hover);
    color: var(--text-primary);
}

.page-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

.page-dots {
    color: var(--text-muted);
    padding: 0 8px;
}

/* 响应式分页 */
@media (max-width: 768px) {
    .pagination {
        flex-wrap: wrap;
    }
    
    .page-btn {
        min-width: 36px;
        height: 36px;
        padding: 0 10px;
        font-size: 0.85rem;
    }
}

/* 列表布局响应式 */
@media (max-width: 768px) {
    .tools-list .tool-card {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    
    .tools-list .tool-card .tool-desc {
        white-space: normal;
    }
    
    .tools-list .featured-badge {
        position: absolute;
        top: 16px;
        right: 16px;
        transform: none;
    }
}


/* ==================== 广告位样式增强 ==================== */

/* 顶部横幅广告 */
.ad-container.ad-header {
    background: var(--glass);
    border-bottom: 1px solid var(--glass-border);
    padding: 12px 20px;
    text-align: center;
}

.ad-container.ad-header img {
    max-height: 90px;
    border-radius: 8px;
}

/* 侧边栏广告 */
.sidebar-ad {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    max-width: 160px;
}

.sidebar-ad:empty {
    display: none;
}

.ad-container.ad-sidebar {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 12px;
    backdrop-filter: blur(10px);
}

.ad-container.ad-sidebar img {
    max-width: 100%;
    border-radius: var(--radius);
}

/* 页脚广告 */
.ad-container.ad-footer {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
}

.ad-container.ad-footer img {
    max-height: 100px;
    border-radius: var(--radius);
}

/* 工具页广告 */
.ad-container.ad-tool_top,
.ad-container.ad-tool_bottom {
    margin: 20px 0;
    padding: 16px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    text-align: center;
}

.ad-container.ad-tool_top img,
.ad-container.ad-tool_bottom img {
    max-width: 100%;
    max-height: 120px;
    border-radius: var(--radius);
}

/* 首页中部广告 */
.ad-container.ad-home_middle {
    margin: 30px auto;
    max-width: 728px;
    text-align: center;
}

.ad-container.ad-home_middle img {
    max-width: 100%;
    border-radius: var(--radius-lg);
}

/* 广告标签样式 */
.ad-container .ad-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 6px;
    opacity: 0.6;
}

/* 响应式 - 隐藏侧边栏广告 */
@media (max-width: 1400px) {
    .sidebar-ad {
        display: none;
    }
}

/* 移动端广告调整 */
@media (max-width: 768px) {
    .ad-container.ad-header img,
    .ad-container.ad-footer img {
        max-height: 60px;
    }
    
    .ad-container.ad-tool_top img,
    .ad-container.ad-tool_bottom img {
        max-height: 80px;
    }
}