first commit 2

rb/rb.mod/banner/skin/split_layout/banner.skin.php

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+<?php
+if (!defined('_GNUBOARD_')) exit;
+/**
+ * rb.mod.banner :: split_layout/banner.skin.php
+ * 배너 그룹 스킨 (래퍼)
+ */
+
+// CSS 로드
+add_stylesheet('<link rel="stylesheet" href="'.G5_URL.'/rb/rb.mod/banner/skin/split_layout/style.css">', 0);
+
+// 배너 목록이 있으면 루프를 돌며 skin.php를 include
+if (isset($banners) && is_array($banners)) {
+    foreach ($banners as $banner) {
+        include(dirname(__FILE__).'/skin.php');
+    }
+} else if (isset($banner)) {
+    // 단일 배너인 경우
+    include(dirname(__FILE__).'/skin.php');
+}
+?>

rb/rb.mod/banner/skin/split_layout/skin.php

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+<?php
+if (!defined('_GNUBOARD_')) exit;
+/**
+ * rb.mod.banner :: split_layout/skin.php
+ * 단일 배너 아이템 스킨 (내용에 따라 3단 변신)
+ */
+
+// 이미지와 텍스트 유무 확인
+$has_image = (isset($banner['bn_img']) && !empty($banner['bn_img']));
+$has_text = (isset($banner['bn_alt']) && !empty($banner['bn_alt']));
+
+// 클래스 동적 생성
+$layout_class = '';
+if ($has_image && $has_text) {
+    $layout_class = 'has-image-and-text';
+} elseif ($has_image) {
+    $layout_class = 'has-image-only';
+} elseif ($has_text) {
+    $layout_class = 'has-text-only';
+}
+?>
+<link rel="stylesheet" href="<?php echo G5_URL; ?>/rb/rb.mod/banner/skin/split_layout/style.css?ver=<?php echo G5_SERVER_TIME; ?>">
+<div class="rb-banner-split-layout <?php echo $layout_class; ?>">
+    <a href="<?php echo $banner['bn_url']; ?>" 
+       target="_<?php echo $banner['bn_new_win'] ? 'blank' : 'self'; ?>"
+       onclick="banner_click_count(this); return true;"
+       data-banner-id="<?php echo $banner['bn_id']; ?>">
+        <?php if ($has_image): ?>
+            <div class="banner-image">
+                <?php echo $banner['bn_img']; ?>
+            </div>
+        <?php endif; ?>
+        <?php if ($has_text): ?>
+            <div class="banner-content">
+                <h3><?php echo get_text($banner['bn_alt']); ?></h3>
+            </div>
+        <?php endif; ?>
+    </a>
+</div>

rb/rb.mod/banner/skin/split_layout/style.css

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+/* ================================
+   0. 배너 고정 크기 (절대 필수)
+================================ */
+.banner-unit-wrapper {
+    width: 180px;
+    height: 80px;
+    box-sizing: border-box;
+}
+
+/* ================================
+   1. 링크 전체 채우기
+================================ */
+.rb-banner-split-layout a {
+    display: flex;
+    flex-direction: column;
+    width: 100%;
+    height: 100%;
+    overflow: hidden;
+    text-decoration: none;
+    color: inherit;
+    border: 1px solid #eee;
+    box-sizing: border-box;
+}
+
+/* ================================
+   2. 이미지 영역 (flex 문제 해결)
+================================ */
+.banner-image {
+    width: 100%;
+    overflow: hidden;
+    background: #f8f8f8;
+    min-height: 0; /* 🔥 flex 기본값 무력화 */
+}
+
+.banner-image img {
+    width: 100%;
+    height: 100%;
+    display: block;
+    object-fit: cover;
+}
+
+/* ================================
+   3. 이미지 + 텍스트
+================================ */
+.has-image-and-text .banner-image {
+    flex: 0 0 60px;   /* 🔥 이게 핵심 */
+    height: 60px;
+}
+
+.has-image-and-text .banner-content {
+    flex: 0 0 20px;
+    height: 20px;
+    border-top: 1px solid #eee;
+    background: #fff;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    overflow: hidden;
+}
+
+.has-image-and-text .banner-content h3 {
+    margin: 0;
+    font-size: 11px;
+    line-height: 20px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+/* ================================
+   4. 이미지만
+================================ */
+.has-image-only .banner-image {
+    width: 100%;
+    height: 100%;
+    /*object-fit: fill;*/
+    max-height: 85px;
+}
+.banner-image img{
+    width: 100%;
+    height: 100%;
+    object-fit: fill;
+    max-height: 85px;
+}
+
+.has-image-only .banner-content {
+    display: none;
+}
+
+/* ================================
+   5. 텍스트만
+================================ */
+.has-text-only .banner-image {
+    display: none;
+}
+
+.has-text-only .banner-content {
+    flex: 0 0 100%;
+    height: 100%;
+    background: #fff;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.has-text-only .banner-content h3 {
+    margin: 0;
+    font-size: 14px;
+    font-weight: 700;
+}