/* ========================================
   公共样式文件
   ======================================== */

/* --- CSS 变量定义 --- */
:root {
    --primary-blue: #2867ff;
    --hover-bg-blue: #eff6ff;
    --text-main: #1a1a1a;
    --text-gray: #666;
    --border-light: #f0f0f0;
    --bg-grid: #f7f9fb;
}

/* --- 全局基础设置 --- */
* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text-main);
    background-color: #fff;
}

a { 
    text-decoration: none; 
    color: inherit; 
    transition: all 0.2s; 
}

ul { 
    list-style: none; 
}

button { 
    cursor: pointer; 
}

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

/* --- Header 顶部导航 --- */
header {
    height: 56px;
    background: #fff;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    box-shadow: 6px 6px 12px rgba(0, 34, 102, 0.05);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.h-left {
    display: flex;
    align-items: center;
    gap: 40px;
}

.logo {
    font-size: 24px;
    font-weight: 900;
    display: flex;
    align-items: center;
    width: 42px;
    height: 42px;
}

.logo img { 
    width: 100%;
    height: 100%;
}

.logo span { 
    color: var(--primary-blue); 
}

.nav-items {
    display: flex;
    gap: 28px;
}

.nav-items a {
    font-size: 14px;
    color: #333;
    font-weight: 500;
    display: flex;
    align-items: center;
    padding-bottom: 4px;
}

.nav-items a:hover { 
    color: var(--primary-blue);
}

.nav-items a.active { 
    color: var(--primary-blue);
    padding: 2px 0 4px;
    border-bottom: 2px solid var(--primary-blue);
}

.nav-items a i { 
    font-size: 10px; 
    margin-left: 4px; 
    color: #999; 
}

.h-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* 搜索框 */
.search-wrap {
    position: relative;
}

.search-wrap input {
    width: 180px;
    height: 34px;
    border: 1px solid #e5e6eb;
    border-radius: 4px;
    padding: 0 30px 0 12px;
    font-size: 13px;
    color: #333;
    outline: none;
    transition: width 0.3s;
}

.search-wrap input:focus { 
    border-color: var(--primary-blue); 
}

.search-wrap .fa-search {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #bec0c7;
    font-size: 14px;
}

.lang-btn {
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

/* 登录注册 */
.auth-btn {
    font-size: 14px;
    color: var(--primary-blue);
    font-weight: 500;
    cursor: pointer;
}

/* --- Main Body 主体结构 --- */
.main-body {
    display: flex;
    padding-top: 30px;
    gap: 40px;
    align-items: flex-start;
    min-height: calc(100vh - 56px - 200px);
}

.content-left {
    flex: 1;
    min-width: 0;
}

.content-right {
    width: 340px;
    flex-shrink: 0;
}

.pagination {
    display: flex;
    gap: 8px;
}

.pagination li {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #eee;
    background: #fff;
    border-radius: 4px;
    font-size: 13px;
    color: #333;
    cursor: pointer;
}

.pagination li:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.pagination li.active {
    background: var(--primary-blue);
    color: #fff;
    border-color: var(--primary-blue);
}

/* --- Footer 底部 --- */
footer {
    margin-top: 80px;
    padding: 40px 0;
    border-top: 1px solid #eee;
    background: #fff;
}

.footer-logo {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 10px;
    display: inline-block;
}

.footer-logo span { 
    color: var(--primary-blue); 
}

.footer-slogan {
    font-size: 14px;
    color: #1a1a1a;
    margin-bottom: 30px;
    font-weight: 500;
}

.footer-links {
    display: flex;
    gap: 40px;
    font-size: 14px;
    color: #333;
    margin-bottom: 20px;
}

.footer-links a:hover { 
    color: var(--primary-blue); 
}

.copyright {
    font-size: 12px;
    color: #999;
}

/* --- 响应式 --- */
@media (max-width: 1024px) {
    .main-body { 
        flex-direction: column; 
    }
    
    .content-right { 
        width: 100%; 
    }
    
    .nav-items { 
        display: none; 
    }
}

@media (max-width: 768px) {
    .container { 
        padding: 0 16px; 
    }
    
    .h-left { 
        gap: 20px; 
    }
    
    .nav-items { 
        display: none; 
    }
}