:root {
    --color-primary: #ffaa55;
    --color-primary-dark: #ff9933;
    --color-secondary: #228855;
    --color-accent: #1a8755;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-background: #ffffff;
    --color-border: #eeeeee;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--color-text);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header styles */
.main-header {
    background: var(--color-background);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.main-nav {
    display: flex;
    gap: 2rem;
    list-style: none;
}

/* Footer styles */
.main-footer {
    background: #f8f8f8;
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Button styles */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: 0.375rem;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    font-size: 0.875rem;
    font-weight: 500;
    color: white;
    background-color: var(--color-primary);
    transition: background-color 0.15s;
}

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

.btn-primary:focus {
    outline: none;
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--color-primary);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-primary);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    background-color: transparent;
    transition: all 0.15s;
}

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

.btn-outline:focus {
    outline: none;
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--color-primary);
}

/* Responsive design */
@media (max-width: 768px) {
    .nav-wrapper {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-nav {
        flex-direction: column;
        text-align: center;
    }
} 

.square-logo {
    width: 40px;  /* 可以根据需要调整尺寸 */
    height: 40px;
    object-fit: contain;  /* 保持图片比例，确保完整显示 */
}

/* Custom colors */
:root {
    --color-primary: #ffaa55;
    --color-primary-dark: #ff9933;
    --color-secondary: #228855;
    --color-accent: #1a8755;
}

/* Transition utilities */
.transition-colors {
    transition-property: background-color, border-color, color, fill, stroke;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

.transition-transform {
    transition-property: transform;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

/* Animation utilities */
.transform {
    --transform-translate-x: 0;
    --transform-translate-y: 0;
    --transform-rotate: 0;
    --transform-skew-x: 0;
    --transform-skew-y: 0;
    --transform-scale-x: 1;
    --transform-scale-y: 1;
    transform: translateX(var(--transform-translate-x)) translateY(var(--transform-translate-y)) rotate(var(--transform-rotate)) skewX(var(--transform-skew-x)) skewY(var(--transform-skew-y)) scaleX(var(--transform-scale-x)) scaleY(var(--transform-scale-y));
}

.rotate-180 {
    --transform-rotate: 180deg;
}

/* Custom button hover styles */
button[style*="--color-primary"]:hover {
    background-color: var(--color-primary-dark);
}

/* Tool Card Styles */
.tool-card {
    transition: all 0.3s ease;
    will-change: transform;
}

.tool-card:hover {
    transform: translateY(-4px) scale(1.03);
}

/* Line clamp utilities */
.line-clamp {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-1 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    -webkit-line-clamp: 1;
    line-clamp: 1;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    -webkit-line-clamp: 2;
    line-clamp: 2;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    -webkit-line-clamp: 3;
    line-clamp: 3;
}

.line-clamp-4 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    -webkit-line-clamp: 4;
    line-clamp: 4;
}
/* Category tags hover effect */
.tool-card .category-tag {
    transition: all 0.2s ease;
}

.tool-card .category-tag:hover {
    transform: translateY(-1px);
}

/* Featured badge animation */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.tool-card .featured-badge {
    animation: pulse 2s infinite;
}

/* Stats hover effect */
.tool-card .stats-item {
    transition: color 0.2s ease;
}

.tool-card .stats-item:hover {
    color: var(--color-primary);
}

.search-input {
    color: #333;  
}

.search-input::placeholder {
    color: #999; 
    opacity: 0.6; 
}

.search-input:focus {
    color: #000;  
}
.rating-stars .star-btn:hover,
.rating-stars .star-btn:hover ~ .star-btn {
    color: rgb(209, 213, 219);
}

.rating-stars:hover .star-btn {
    color: rgb(250, 204, 21);
}

.rating-stars .star-btn:hover ~ .star-btn {
    color: rgb(209, 213, 219);
}