:root {
    --primary-color: #2ea44f;
    --primary-hover: #2c974b;
    --secondary-color: #0366d6;
    --dark-color: #24292e;
    --light-bg: #f6f8fa;
    --border-color: #e1e4e8;
    --text-color: #24292e;
    --light-text: #586069;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f9f9f9;
}

/* 英雄区域样式 */
.hero {
    position: relative;
    height: 300px;
    background-image: url('https://images.unsplash.com/photo-1618401471353-b98afee0b2eb?ixlib=rb-1.2.1&auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(3, 102, 214, 0.8) 0%, rgba(46, 164, 79, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    padding: 0 1rem;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-content p {
    font-size: 1.4rem;
    max-width: 600px;
    margin: 0 auto;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1rem 3rem;
}

.main-card {
    background-color: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    transition: var(--transition);
}

.main-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.card {
    background-color: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--dark-color);
}

.input-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
}

.input-wrapper input {
    width: 100%;
    padding: 1.2rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1.1rem;
    transition: var(--transition);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 164, 79, 0.2);
}

#clear-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--light-text);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.5rem;
    transition: var(--transition);
}

#clear-btn:hover {
    color: #cb2431;
}

.primary-btn {
    width: 100%;
    padding: 1.2rem;
    border: none;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: var(--primary-color);
    color: white;
    letter-spacing: 0.5px;
}

.primary-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(46, 164, 79, 0.3);
}

.primary-btn:active {
    transform: translateY(0);
}

/* GitHub中文化插件卡片 */
.chinese-plugin-card {
    background-color: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    transition: var(--transition);
}

.chinese-plugin-card:hover {
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

.chinese-plugin-card h3 {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
    font-size: 1.4rem;
}

.chinese-plugin-card h3 i {
    color: var(--secondary-color);
}

.chinese-plugin-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.chinese-plugin-content p {
    font-size: 1.1rem;
    color: var(--light-text);
    margin: 0;
    flex: 1;
    min-width: 200px;
}

.secondary-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--secondary-color);
    color: white;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-size: 1rem;
}

.secondary-btn:hover {
    background-color: #0550a0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(3, 102, 214, 0.3);
}

.secondary-btn:active {
    transform: translateY(0);
}

/* 鸣谢区域 */
.acknowledgement-card h3 {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-size: 1.4rem;
}

.acknowledgement-card h3 i {
    color: var(--primary-color);
}

.acknowledgement-content {
    color: var(--light-text);
    font-size: 1rem;
}

.acknowledgement-links {
    margin-top: 0.8rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.acknowledgement-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.3rem 0.8rem;
    background-color: rgba(3, 102, 214, 0.1);
    border-radius: 4px;
}

.acknowledgement-link:hover {
    color: var(--primary-color);
    background-color: rgba(46, 164, 79, 0.1);
}

/* 视频卡片样式 */
.video-card h3 {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    font-size: 1.4rem;
}

.video-container {
    position: relative;
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.video-container video {
    width: 100%;
    display: block;
    background-color: #000;
}

.video-caption {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--light-text);
    font-style: italic;
}

/* 特性展示区域 */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.feature-item {
    background-color: white;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.feature-item h4 {
    margin-bottom: 0.8rem;
    color: var(--dark-color);
    font-size: 1.2rem;
}

.feature-item p {
    color: var(--light-text);
    font-size: 0.95rem;
}

/* GitHub中文化插件链接样式 */
.github-chinese-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.github-chinese-link:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.github-chinese-link::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease;
}

.github-chinese-link:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.guide-tip {
    margin-top: 1.5rem;
    padding: 1rem;
    background-color: var(--light-bg);
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
}

.guide-tip i {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-top: 0.2rem;
}

footer {
    text-align: center;
    color: var(--light-text);
    margin-top: 3rem;
    font-size: 0.9rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

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

footer a:hover {
    text-decoration: underline;
}

.footer-link {
    color: var(--secondary-color);
    font-weight: 500;
    padding: 0 0.3rem;
}

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

/* 提示消息 */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--dark-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    z-index: 1000;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s ease;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast i {
    color: var(--primary-color);
}

/* 状态指示器 */
.status-indicator {
    margin-top: 1.5rem;
    padding: 0.8rem 1rem;
    background-color: var(--light-bg);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.95rem;
    color: var(--dark-color);
    animation: fadeIn 0.3s ease;
}

.status-indicator i {
    color: var(--secondary-color);
    font-size: 1rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 900px) {
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1100px) {
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        height: 250px;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .container {
        padding: 0 1rem 2rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .chinese-plugin-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.2rem;
    }
    
    .chinese-plugin-content p {
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 576px) {
    .features {
        grid-template-columns: 1fr;
    }
    
    .hero {
        height: 200px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
}