diff --git a/assets/css/routes/user-center/revenue-earnings.css b/assets/css/routes/user-center/revenue-earnings.css
index c7ff5643..c33d142d 100644
--- a/assets/css/routes/user-center/revenue-earnings.css
+++ b/assets/css/routes/user-center/revenue-earnings.css
@@ -214,9 +214,3 @@
   .uc-content .uc-revenue-summary-row--explain { grid-template-columns: 1fr; }
   .uc-content .uc-revenue-summary-row--explain .uc-reward-richtext { grid-column: 1; }
 }
-
-/* 推广海报预览弹窗：舞台居中，canvas 自适应弹窗宽度。 */
-.uc-content .uc-affiliate-poster { display: grid; place-items: center; min-height: 120px; }
-.uc-content .uc-affiliate-poster img,
-.uc-content .uc-affiliate-poster canvas { display: block; max-width: 100%; height: auto; margin: 0 auto; border-radius: 12px; background: var(--surface-2, #f7f8fa); }
-.uc-content .uc-affiliate-poster p { margin: 0; text-align: center; }
diff --git a/assets/js/credits.js b/assets/js/credits.js
index 10b255b0..4934dea8 100644
--- a/assets/js/credits.js
+++ b/assets/js/credits.js
@@ -150,19 +150,62 @@
 		});
 	}
 
-	// ===== Referral poster (canvas preview modal: hero image + copy + QR + link) =====
+	// ===== Referral poster =====
+	// 弹窗形态 1:1 复刻参考主题 poster-share.js：Bootstrap 语义（.in 显隐 +
+	// .modal-backdrop + body.modal-open + ESC），与下方充值弹窗同构，不复依赖
+	// jQuery/Bootstrap 运行时。壳上带 .flex.jc，故打开态用 flex 而非 block。
 	function initAffiliatePoster(root, url, poster, siteName) {
 		var button = root.querySelector('[data-affiliate-poster]');
 		var modal = document.querySelector('[data-aksrt-affiliate-poster-modal]');
-		var stage = document.querySelector('[data-affiliate-poster-stage]');
-		var download = document.querySelector('[data-affiliate-poster-download]');
+		var stage = modal ? modal.querySelector('[data-affiliate-poster-stage]') : null;
+		var loading = modal ? modal.querySelector('[data-affiliate-poster-loading]') : null;
+		var content = modal ? modal.querySelector('.modal-content') : null;
+		var download = modal ? modal.querySelector('[data-affiliate-poster-download]') : null;
 		if (!button || !modal) return;
 		if (!url || !poster || poster.enabled !== true) return;
 		button.hidden = false;
-		[].forEach.call(modal.querySelectorAll('[data-affiliate-poster-close]'), function (closer) {
-			closer.addEventListener('click', function () { closeModal(modal); });
-		});
+
+		var backdrop = null;
 		var canvas = null;
+
+		function openPosterModal() {
+			if (modal.classList.contains('in')) return;
+			modal.style.display = 'flex';
+			void modal.offsetWidth; // 强制 reflow，让 .fade 过渡从 scale(0.9) 起手
+			modal.classList.add('in');
+			modal.setAttribute('aria-hidden', 'false');
+			if (!backdrop) {
+				backdrop = document.createElement('div');
+				backdrop.className = 'modal-backdrop fade in';
+				backdrop.setAttribute('data-affiliate-poster-backdrop', '1');
+				document.body.appendChild(backdrop);
+			}
+			document.body.classList.add('modal-open');
+		}
+
+		function closePosterModal() {
+			if (!modal.classList.contains('in')) return;
+			modal.classList.remove('in');
+			modal.setAttribute('aria-hidden', 'true');
+			document.body.classList.remove('modal-open');
+			if (backdrop && backdrop.parentNode) backdrop.parentNode.removeChild(backdrop);
+			backdrop = null;
+			// 等过渡结束再撤 display，复刻 Bootstrap 的 fade-out 收尾
+			window.setTimeout(function () {
+				if (!modal.classList.contains('in')) modal.style.display = '';
+			}, 300);
+		}
+
+		modal.addEventListener('click', function (event) {
+			// 点遮罩层（.modal 自身）或关闭按钮（data-dismiss="modal"）
+			if (event.target === modal || (event.target.closest && event.target.closest('[data-dismiss="modal"]'))) {
+				closePosterModal();
+			}
+		});
+		document.addEventListener('keydown', function (event) {
+			if (event.key === 'Escape' && modal.classList.contains('in')) closePosterModal();
+		});
+
 		if (download) {
 			download.addEventListener('click', function () {
 				if (!canvas) return;
@@ -178,20 +221,47 @@
 				}
 			});
 		}
+
 		button.addEventListener('click', function () {
 			if (typeof window.qrcode !== 'function') {
 				if (stage) { stage.innerHTML = '<p class="muted-2-color em09">' + '二维码组件未加载。' + '</p>'; }
-				openModal(modal);
+				openPosterModal();
 				return;
 			}
-			if (stage) { stage.innerHTML = '<p class="muted-2-color em09">' + '正在生成海报…' + '</p>'; }
-			if (download) download.hidden = true;
-			openModal(modal);
+			if (stage) { stage.innerHTML = ''; stage.classList.remove('loaded'); }
+			if (loading) loading.style.display = '';
+			if (download) download.classList.add('hide');
+			openPosterModal();
 			button.disabled = true;
 			buildPosterCanvas(url, poster, siteName).then(function (built) {
 				canvas = built;
-				if (stage) { stage.innerHTML = ''; stage.appendChild(built); }
-				if (download) download.hidden = false;
+				if (!stage) return;
+				// 参考主题：img.loaded-img 直接进 .poster-imgbox，遮罩淡出，
+				// 内容块高度从 220px 过渡到海报实际高度后清掉内联样式。
+				var img = document.createElement('img');
+				img.src = canvas.toDataURL('image/png');
+				img.alt = '推广海报';
+				img.className = 'loaded-img';
+				// 参考主题按 0.7 比例预设尺寸；.poster-imgbox > img 的 max-width:360px
+				// 会在窄屏把它压回弹窗宽度，height:100% 让 offsetHeight 反映真实渲染高度。
+				img.width = 768 * 0.7;
+				img.height = 1168 * 0.7;
+				stage.appendChild(img);
+				stage.classList.add('loaded');
+				if (download) {
+					download.href = img.src;
+					download.classList.remove('hide');
+				}
+				if (loading) loading.style.display = 'none';
+				if (content) {
+					content.style.height = stage.offsetHeight + 'px';
+					content.style.transition = '.2s';
+					window.setTimeout(function () {
+						content.style.height = '';
+						content.style.overflow = '';
+						content.style.transition = '';
+					}, 200);
+				}
 			}).catch(function () {
 				if (stage) { stage.innerHTML = '<p class="muted-2-color em09">' + '海报生成失败，请重试。' + '</p>'; }
 			}).finally(function () {
diff --git a/inc/helpers/user-center-renderers/affiliate-poster-modal.php b/inc/helpers/user-center-renderers/affiliate-poster-modal.php
index d6407544..e1fe8933 100644
--- a/inc/helpers/user-center-renderers/affiliate-poster-modal.php
+++ b/inc/helpers/user-center-renderers/affiliate-poster-modal.php
@@ -2,8 +2,12 @@
 /**
  * Affiliate poster preview modal.
  *
- * The 推广海报 button lives in the revenue detail link row; the QR code is no
- * longer rendered on its own — it exists only inside the generated poster.
+ * 1:1 replica of the reference theme's poster-share modal (zibll js/poster-share.js
+ * + css/main.css `.poster-share` block): a borderless 360px Bootstrap-style dialog
+ * centred by `.modal.flex.jc`, a `.loading-mask` overlay while the canvas renders,
+ * and circular download/close buttons on a `.hover-show-con` layer that only fades
+ * in on hover. The 推广海报 button lives in the revenue detail link row; the QR code
+ * is no longer rendered on its own — it exists only inside the generated poster.
  *
  * @package AKSRT
  */
@@ -15,14 +19,18 @@ if (!empty($GLOBALS['aksrt_affiliate_poster_modal_rendered'])) {
 }
 $GLOBALS['aksrt_affiliate_poster_modal_rendered'] = true;
 ?>
-<div class="uc-modal" id="aksrt-affiliate-poster-modal" hidden data-aksrt-affiliate-poster-modal>
-	<div class="uc-modal__overlay" data-affiliate-poster-close></div>
-	<div class="uc-modal__dialog" role="dialog" aria-modal="true">
-		<button type="button" class="uc-modal__close" data-affiliate-poster-close aria-label="<?php esc_attr_e('关闭', 'aksrt'); ?>"><i class="fa fas fa-times" aria-hidden="true"></i></button>
-		<h3 class="uc-modal__title"><?php esc_html_e('推广海报', 'aksrt'); ?></h3>
-		<div class="uc-affiliate-poster" data-affiliate-poster-stage>
-			<p class="muted-2-color em09"><?php esc_html_e('正在生成海报…', 'aksrt'); ?></p>
+<div class="modal fade flex jc" id="aksrt-affiliate-poster-modal" tabindex="-1" role="dialog" aria-hidden="true">
+	<div class="modal-dialog poster-share hover-show" role="document">
+		<div class="modal-content" style="height:220px;overflow:hidden">
+			<div class="poster-imgbox hover-show" data-affiliate-poster-stage></div>
+			<div class="flex jc loading-mask absolute main-bg radius8" data-affiliate-poster-loading>
+				<div class="loading zts fa-2x"></div>
+				<div class="muted-2-color box-body"><?php esc_html_e('正在生成图片，请稍候...', 'aksrt'); ?></div>
+			</div>
+		</div>
+		<div class="padding-6 abs-center hover-show-con text-center" style="top:auto">
+			<a href="javascript:;" class="but cir jb-blue poster-download hide" data-affiliate-poster-download aria-label="<?php esc_attr_e('保存海报', 'aksrt'); ?>"><i class="fas fa-download" aria-hidden="true"></i></a>
+			<button type="button" data-dismiss="modal" class="but cir jb-yellow ml10" aria-label="<?php esc_attr_e('关闭', 'aksrt'); ?>"><svg aria-hidden="true" class="icon em12"><use xlink:href="#icon-close"></use></svg></button>
 		</div>
-		<button type="button" class="but jb-blue btn-block mt10" data-affiliate-poster-download hidden><?php esc_html_e('保存海报', 'aksrt'); ?></button>
 	</div>
 </div>
diff --git a/tests/widget-system/referral-qr-contract.test.cjs b/tests/widget-system/referral-qr-contract.test.cjs
index 9b21404b..4a3079f7 100644
--- a/tests/widget-system/referral-qr-contract.test.cjs
+++ b/tests/widget-system/referral-qr-contract.test.cjs
@@ -47,11 +47,19 @@ test('revenue detail card is a four-row info list with no standalone QR block',
   assert.doesNotMatch(script, /function renderAffiliateQr/)
   assert.doesNotMatch(script, /renderAffiliateQr\(/)
   assert.doesNotMatch(script, /data-affiliate-qr/)
-  // 海报弹窗：舞台 + 保存按钮 + 复用 openModal/closeModal。
+  // 海报弹窗：参考主题 poster-share 形态 —— Bootstrap 语义 + .poster-imgbox 舞台。
   assert.match(script, /data-affiliate-poster-stage/)
   assert.match(script, /data-affiliate-poster-download/)
-  assert.match(script, /openModal\(modal\)/)
+  assert.match(script, /modal-backdrop/)
+  assert.match(script, /classList\.add\('in'\)/)
+  assert.match(script, /poster-imgbox/)
+  assert.match(script, /classList\.add\('hide'\)/)
   assert.match(script, /link\.download = 'referral-poster\.png'/)
+  // 弹窗开关不再走 uc-modal 的 openModal/closeModal（那套留给提现/转账弹窗）。
+  const posterInit = script.slice(script.indexOf('function initAffiliatePoster'), script.indexOf('function buildPosterCanvas'))
+  assert.doesNotMatch(posterInit, /openModal\(modal\)/)
+  assert.doesNotMatch(posterInit, /closeModal\(modal\)/)
+  assert.doesNotMatch(posterInit, /data-affiliate-poster-close/)
   // 链接由 PHP 直出：复制按钮立即可用，REST 只负责海报配置与佣金比例。
   assert.match(script, /var url = input \? input\.value : '';/)
   assert.match(script, /if \(copy\) copy\.disabled = !url;/)
@@ -93,6 +101,31 @@ test('poster canvas is built from admin-configured copy and gated on the poster
   assert.match(script, /image\.crossOrigin = 'anonymous'/)
 })
 
+test('poster modal markup is a 1:1 replica of the reference poster-share dialog', () => {
+  const modal = read('inc', 'helpers', 'user-center-renderers', 'affiliate-poster-modal.php')
+  // 参考主题骨架：Bootstrap 模态壳 + 360px 无边框对话框 + hover 浮钮层。
+  assert.match(modal, /class="modal fade flex jc"/)
+  assert.match(modal, /class="modal-dialog poster-share hover-show"/)
+  assert.match(modal, /class="modal-content" style="height:220px;overflow:hidden"/)
+  assert.match(modal, /class="poster-imgbox hover-show" data-affiliate-poster-stage/)
+  assert.match(modal, /class="flex jc loading-mask absolute main-bg radius8"/)
+  assert.match(modal, /class="but cir jb-blue poster-download hide"/)
+  assert.match(modal, /class="but cir jb-yellow ml10"/)
+  assert.match(modal, /#icon-close/)
+  assert.match(modal, /data-dismiss="modal"/)
+  // 自研 uc-modal 卡片形态（白底 + 标题栏 + 整宽保存钮 + 浅灰画框）已退役。
+  assert.doesNotMatch(modal, /uc-modal__dialog/)
+  assert.doesNotMatch(modal, /uc-modal__title/)
+  assert.doesNotMatch(modal, /uc-modal__close/)
+  assert.doesNotMatch(modal, /uc-modal__overlay/)
+  assert.doesNotMatch(modal, /uc-affiliate-poster/)
+  assert.doesNotMatch(modal, /btn-block/)
+
+  // 配套的 .uc-affiliate-poster 画框规则已从样式表删除。
+  const css = read('assets', 'css', 'routes', 'user-center', 'revenue-earnings.css')
+  assert.doesNotMatch(css, /uc-affiliate-poster/)
+})
+
 test('invite-code input verifies live against the public REST endpoint', () => {
   const template = read('templates', 'parts', 'auth-content.php')
   assert.match(template, /data-invite-verify/)