@charset "utf-8";

/* ============================================
   集汇搜 - 全局样式表 (黑色主题)
   最后更新: 2026-03-26
============================================ */

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 变量定义 */
:root {
    --primary: linear-gradient(135deg, #00d2ff, #3a7bd5);
    --bg-dark: #0a0a0a;
    --bg-card: #141414;
    --bg-input: #ccc;
    --text-white: #fff;
    --text-gray: #9ca3af;
    --text-dark: #333;
    --border: #2a2a2a;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    --radius: 20px;
    --transition: all 0.3s ease;
}

/* 基础样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-white);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 链接 */
a {
    color: #5b8cdf;
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: #00d2ff;
}

/* 主容器 */
.Box {
    width: 100%;
    max-width: 1000px;
    padding: 20px;
}

.inBox {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
    animation: fadeInUp 0.6s;
}

.inBox:hover {
    transform: translateY(-3px);
    border-color: #2c6bcf;
}

.block2 {
    padding: 50px 40px;
    text-align: center;
}

/* Logo */
.index-logo {
    margin-bottom: 30px;
}

.index-logo-main {
    font-size: 48px;
    font-weight: 700;
    background: var(--primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: var(--transition);
}

.index-logo-main:hover {
    transform: scale(1.05);
}

.index-logo-sub {
    display: block;
    font-size: 16px;
    color: var(--text-gray);
    margin-top: 12px;
}

.index-logo-sub:hover {
    color: #5b8cdf;
}

/* 搜索表单 */
.index-search-form {
    margin: 35px 0;
}

.index-search-input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.index-search-input {
    flex: 1;
    padding: 16px 24px;
    background: var(--bg-input);
    border: 1px solid #aaa;
    border-radius: 50px;
    color: var(--text-dark);
    font-size: 16px;
    outline: none;
    transition: var(--transition);
    font-weight: 500;
}

.index-search-input:focus {
    border-color: #2c6bcf;
    box-shadow: 0 0 0 3px rgba(44, 107, 207, 0.3);
    background: #e0e0e0;
}

.index-search-input::placeholder {
    color: #666;
}

.index-search-btn {
    padding: 16px 36px;
    font-size: 16px;
    font-weight: 600;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.index-search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 210, 255, 0.3);
}

/* 搜索引擎选项 */
.index-radio-group {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin: 20px 0;
}

.index-radio-group input {
    margin-right: 6px;
    accent-color: #2c6bcf;
    cursor: pointer;
}

.index-radio-group label {
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition);
}

.index-radio-group label:hover {
    color: #5b8cdf;
}

/* 版权 */
.index-copyright {
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: #4b5563;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式 */
@media (max-width: 768px) {
    .block2 {
        padding: 35px 20px;
    }
    
    .index-logo-main {
        font-size: 36px;
    }
    
    .index-search-input-group {
        flex-direction: column;
    }
    
    .index-search-btn {
        width: 100%;
    }
    
    .index-radio-group {
        gap: 15px;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .block2 {
        padding: 25px 15px;
    }
    
    .index-logo-main {
        font-size: 28px;
    }
    
    .index-search-input {
        padding: 14px 20px;
    }
    
    .index-search-btn {
        padding: 14px 28px;
    }
}