查看“︁模板:PageBanner/styles.css”︁的源代码

/* --- 1. 隐藏 Citizen 原生标题 --- */
.mw-body-header {
    display: none !important;
}

/* --- 2. Banner 主容器 --- */
.page-banner {
    position: relative;
    /* 高度 */
    height: 450px; 
    /* 抵消顶部边距 */
    margin-top: -1.5rem; 
    margin-bottom: 2rem;
    z-index: 1;
}

/* --- 3. 背景层（修正版） --- */
.page-banner-bg {
    position: absolute;
    top: 0;
    height: 100%;
    
    /* 逃逸逻辑：撑满屏幕 */
    width: 100vw;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    
    background-size: cover;
    background-position: center;
    z-index: -1;
}

/* === 核心修复：用伪元素模拟“渐隐遮罩” === */
/* 这一层盖在图片上，从透明渐变到页面背景色 */
.page-banner-bg::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Citizen 皮肤变量：--color-surface-1 是正文背景色 */
    /* 意思是：上部透明，下部渐变到背景色，实现“融入”效果 */
    background: linear-gradient(to bottom, rgba(0,0,0,0) 60%, var(--color-surface-1, #ffffff) 100%);
}

/* --- 4. 内容层 --- */
.page-banner-content {
    position: relative;
    height: 100%;
    max-width: 100%; 
    
    display: flex;
    flex-direction: column;
    justify-content: flex-end; /* 靠下 */
    align-items: flex-start;   /* 靠左 */
    
    padding-bottom: 80px; 
    z-index: 2;
}

/* --- 5. 文字样式 --- */
.page-banner-local {
    font-family: 'Linux Libertine', 'Georgia', serif; 
    font-size: 4em;
    font-weight: 900;
    color: #ffffff;
    line-height: 1.1;
    margin: 0;
    /* 加强阴影，防止在浅色图上看不清 */
    text-shadow: 0 4px 15px rgba(0,0,0,0.8); 
}

.page-banner-en {
    font-family: sans-serif;
    font-size: 1.8em;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.95);
    margin-top: 5px;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-shadow: 0 2px 5px rgba(0,0,0,0.9);
}

/* 移动端适配 */
@media screen and (max-width: 720px) {
    .page-banner { height: 300px; }
    .page-banner-local { font-size: 2.5em; }
    .page-banner-en { font-size: 1.2em; }
}