diff --git a/public/themes/dist_static/static/js/about.js b/public/themes/dist_static/static/js/about.js
index 02e8a18..ed07026 100644
--- a/public/themes/dist_static/static/js/about.js
+++ b/public/themes/dist_static/static/js/about.js
@@ -83,40 +83,84 @@ function initMembersCarousel() {
 	const el = root.querySelector(".ab-members__panels-swiper");
 	const buttons = [...root.querySelectorAll(".ab-members__logo")];
 	if (!el || !buttons.length) return;
+
+	const mobileMq = window.matchMedia("(max-width: 576px)");
+	const getGroupSize = () => mobileMq.matches ? 2 : 5;
+	const total = buttons.length;
 	const reduceMotion = window.matchMedia("(prefers-reduced-motion: reduce)").matches;
-	const canLoop = buttons.length > 1;
+	const initial = Math.max(0, buttons.findIndex((btn) => btn.classList.contains("is-active")));
+
 	const swiper = new SwiperCtor(el, {
-		initialSlide: Math.max(0, buttons.findIndex((btn) => btn.classList.contains("is-active"))),
-		loop: canLoop,
+		initialSlide: initial,
+		loop: false,
 		grabCursor: true,
 		speed: 600,
-		autoplay: canLoop && !reduceMotion ? {
-			delay: 3e3,
-			disableOnInteraction: false,
-			pauseOnMouseEnter: true
-		} : false
+		autoplay: false
 	});
-	const logos = root.querySelector(".ab-members__logos");
+
 	const syncNav = (index) => {
+		const GROUP = getGroupSize();
+		const groupStart = Math.floor(index / GROUP) * GROUP;
 		buttons.forEach((btn, i) => {
+			const inGroup = total <= GROUP || (i >= groupStart && i < groupStart + GROUP);
+			btn.hidden = !inGroup;
 			const on = i === index;
 			btn.classList.toggle("is-active", on);
 			btn.setAttribute("aria-selected", on ? "true" : "false");
 		});
-		const btn = buttons[index];
-		if (logos && btn) {
-			const left = btn.offsetLeft - (logos.clientWidth - btn.offsetWidth) / 2;
-			logos.scrollTo({ left: Math.max(0, left), behavior: "smooth" });
+	};
+
+	const goTo = (index) => {
+		const next = Math.max(0, Math.min(index, total - 1));
+		swiper.slideTo(next);
+		syncNav(next);
+	};
+
+	/** 组内下一项；组末跳到下一组第一个；全部结束后回到 0 */
+	const nextInSequence = () => {
+		const GROUP = getGroupSize();
+		const i = swiper.activeIndex;
+		const groupStart = Math.floor(i / GROUP) * GROUP;
+		const groupEnd = Math.min(groupStart + GROUP - 1, total - 1);
+		if (i < groupEnd) goTo(i + 1);
+		else if (groupEnd + 1 < total) goTo(groupEnd + 1);
+		else goTo(0);
+	};
+
+	let timer = null;
+	const stopAutoplay = () => {
+		if (timer) {
+			clearInterval(timer);
+			timer = null;
 		}
 	};
+	const startAutoplay = () => {
+		stopAutoplay();
+		if (reduceMotion || total <= 1) return;
+		timer = setInterval(nextInSequence, 3e3);
+	};
+
 	buttons.forEach((btn, i) => {
 		btn.addEventListener("click", () => {
-			if (canLoop) swiper.slideToLoop(i);
-			else swiper.slideTo(i);
+			goTo(i);
+			startAutoplay();
 		});
 	});
-	swiper.on("slideChange", () => syncNav(swiper.realIndex));
-	syncNav(swiper.realIndex);
+	swiper.on("slideChange", () => syncNav(swiper.activeIndex));
+
+	const onGroupBreakpoint = () => {
+		syncNav(swiper.activeIndex);
+		startAutoplay();
+	};
+	if (mobileMq.addEventListener) mobileMq.addEventListener("change", onGroupBreakpoint);
+	else mobileMq.addListener(onGroupBreakpoint);
+
+	const card = root.querySelector(".ab-members__card");
+	card?.addEventListener("mouseenter", stopAutoplay);
+	card?.addEventListener("mouseleave", startAutoplay);
+
+	syncNav(swiper.activeIndex);
+	startAutoplay();
 }
 $(function() {
 	setActiveNav();
diff --git a/public/themes/website/1/en/demo/about.html b/public/themes/website/1/en/demo/about.html
index 453bcde..feddad2 100644
--- a/public/themes/website/1/en/demo/about.html
+++ b/public/themes/website/1/en/demo/about.html
@@ -230,7 +230,7 @@
           <div class="ab-members__panels-swiper swiper">
             <div class="ab-members__panels swiper-wrapper">
               {php}$member_idx = 0;{/php}
-              {hcTaglib:content cid="$vo.id" moduleId="1" name="contentList" item="case_top" limit="10" mainField="id,url,title,sub_title,content,thumbnail" sort="sort desc" subField="" onlyData="2"}
+              {hcTaglib:content cid="$vo.id" moduleId="1" name="contentList" item="case_top" limit="50" mainField="id,url,title,sub_title,content,thumbnail" sort="sort desc" subField="" onlyData="2"}
               <div class="ab-members__panel swiper-slide" id="ab-member-panel-{$case_top.id}" data-index="{$member_idx}">
                 <div class="ab-members__content">
                   <div>
@@ -248,7 +248,7 @@
           </div>
           <div class="ab-members__logos" role="tablist" aria-label="Group members">
             {php}$member_idx = 0;{/php}
-            {hcTaglib:content cid="$vo.id" moduleId="1" name="contentList" item="case_top" limit="10" mainField="id,title,sub_title,content,thumbnail" sort="sort desc" subField="" onlyData="2"}
+            {hcTaglib:content cid="$vo.id" moduleId="1" name="contentList" item="case_top" limit="50" mainField="id,title,sub_title,content,thumbnail" sort="sort desc" subField="" onlyData="2"}
             <button type="button" class="ab-members__logo{if $member_idx == 0} is-active{/if}" id="ab-member-tab-{$case_top.id}"
               data-index="{$member_idx}"
               role="tab" aria-controls="ab-member-panel-{$case_top.id}" aria-selected="{if $member_idx == 0}true{else}false{/if}">
diff --git a/public/themes/website/1/zh/demo/about.html b/public/themes/website/1/zh/demo/about.html
index d60842f..caef1af 100644
--- a/public/themes/website/1/zh/demo/about.html
+++ b/public/themes/website/1/zh/demo/about.html
@@ -230,7 +230,7 @@
           <div class="ab-members__panels-swiper swiper">
             <div class="ab-members__panels swiper-wrapper">
               {php}$member_idx = 0;{/php}
-              {hcTaglib:content cid="$vo.id" moduleId="1" name="contentList" item="case_top" limit="10" mainField="id,url,title,sub_title,content,thumbnail" sort="sort desc" subField="" onlyData="2"}
+              {hcTaglib:content cid="$vo.id" moduleId="1" name="contentList" item="case_top" limit="50" mainField="id,url,title,sub_title,content,thumbnail" sort="sort desc" subField="" onlyData="2"}
               <div class="ab-members__panel swiper-slide" id="ab-member-panel-{$case_top.id}" data-index="{$member_idx}">
                 <div class="ab-members__content">
                   <div>
@@ -248,7 +248,7 @@
           </div>
           <div class="ab-members__logos" role="tablist" aria-label="集团成员">
             {php}$member_idx = 0;{/php}
-            {hcTaglib:content cid="$vo.id" moduleId="1" name="contentList" item="case_top" limit="10" mainField="id,title,sub_title,content,thumbnail" sort="sort desc" subField="" onlyData="2"}
+            {hcTaglib:content cid="$vo.id" moduleId="1" name="contentList" item="case_top" limit="50" mainField="id,title,sub_title,content,thumbnail" sort="sort desc" subField="" onlyData="2"}
             <button type="button" class="ab-members__logo{if $member_idx == 0} is-active{/if}" id="ab-member-tab-{$case_top.id}"
               data-index="{$member_idx}"
               role="tab" aria-controls="ab-member-panel-{$case_top.id}" aria-selected="{if $member_idx == 0}true{else}false{/if}">