* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: "Microsoft Yahei", system-ui, sans-serif;
    background: #fff;
}

/* 整体页面框架 */
.page-wrap {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 顶部红色标题栏 */
.page-header {
    background-color: #c41e25;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 36px;
}
.page-header h1 {
    font-size: 44px;
    font-weight: normal;
}
.header-logo {
    text-align: right;
    font-size: 14px;
    line-height: 1.6;
}

/* 主体左右布局 */
.main-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    flex: 1;
}

/* 左侧黑色文字区 */
.text-column {
    background-color: #000000;
    color: #ffffff;
    padding: 48px 36px;
}
.text-column h2 {
    font-size: 36px;
    margin-bottom: 32px;
    font-weight: normal;
}
.article-content p {
    font-size: 17px;
    line-height: 1.85;
    margin-bottom: 26px;
    color: #eeeeee;
}

/* 右侧2×2图片网格 */
.gallery-column {
    padding: 8px;
}
.gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 8px;
    height: 100%;
}
.grid-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* 底部红色栏 */
.page-footer {
    height: 40px;
    background-color: #c41e25;
}

/* 移动端自适应 */
@media (max-width:960px) {
    .main-container {
        grid-template-columns: 1fr;
    }
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap:16px;
    }
    .header-logo {
        text-align: left;
    }
    .page-header h1 {
        font-size: 32px;
    }
    .text-column h2 {
        font-size:28px;
    }
}