.bannerSwiper .swiper-button-prev:after,.bannerSwiper .swiper-button-next:after {
	color: #2b6abc;
	font-size: 36px;
}

.bannerSwiper .swiper-button-next {
	right: 5%;
}
.bannerSwiper .swiper-button-prev {
	left: 5%;
}

.bannerSwiper .swiper-pagination {
	bottom:20px;
}

.bannerSwiper  .swiper-pagination-bullet {
	border: none;
	width: 16px;
	height: 16px;
	background: #2b6abc;
}

.bannerSwiper .swiper-pagination-bullet-active {
	opacity: 1;
}

.sec1 ul li {
	width: 25%;
	float: left;
	padding: 20px;
	box-sizing: border-box;
}

.sec1 ul li a {
	display: block;
	border: 1px solid #e3ecf5;
}

.sec1 ul li a .pho {
	text-align: center;
}

.sec1 ul li a .text {
	padding:17px 20px;
	border-top: 1px solid #e3ecf5;
	position: relative;
}

.sec1 ul li a .text:before {
	content:"";
	width:34px;
	height: 34px;
	border-radius: 50%;
	position: absolute;
	right: 20px;
	top: 50%;
	transform: translateY(-50%);
	background: #fff url(../images/jt1.png) no-repeat center;
	background-size: 20px;
	border: 1px solid #e3ecf5;
}

.sec1 ul li a .text h3 {
	font-size: 19px;
	font-weight: 500;
}

.sec1 ul li a .text span {
	display: block;
	color: #68798f;
	font-size: 15px;
}

.sec1 ul li a:hover {
	border-color: #2b6abc;
	box-shadow: 0 15px 30px rgba(17,112,190,.1);
}

.sec1 ul li a:hover h3 {
	color: #2b6abc;
}

.sec1 ul li a:hover .text:before {
	background: #2b6abc url(../images/jt2.png) no-repeat center;
	background-size: 21px;
	border-color: #2b6abc;
}

.sec2 {
	background: #f5f9fd;
	padding-top: 20px;
	margin: 20px 0 40px;
}

.sec2 .ul1 li {
	width: 20%;
	float: left;
	padding: 20px 10px 30px;
	box-sizing: border-box;
}

.sec2 .ul1 li a {
	display: block;
	padding: 24px 10px 20px;
	border-radius: 4px;
	border: 1px solid #e3ecf5;
	text-align: center;
	background: #2b6abc08;
}

.sec2 .ul1 li a h3 {
	font-size: 18px;
	font-weight: 500;
}

.sec2 .ul1 li a .icon {
	width: 50px;
	height: 50px;
	overflow: hidden;
	line-height: 50px;
	border: 1px solid #2b6abc;
	margin: 0 auto 15px;
	border-radius: 50%;
	box-sizing: border-box;
}

.sec2 .ul1 li a .icon span {
	display: block;
	width: 24px;
	height: 24px;
	margin:13px auto 0;
	background: url(../images/icon3.png) no-repeat top center;
	background-size: 24px;
}

.sec2 .ul1 li:nth-child(2) a .icon span {
	background-image: url(../images/icon4.png);
}

.sec2 .ul1 li:nth-child(3) a .icon span {
	background-image: url(../images/icon5.png);
}

.sec2 .ul1 li:nth-child(4) a .icon span {
	background-image: url(../images/icon6.png);
}

.sec2 .ul1 li:nth-child(5) a .icon span {
	background-image: url(../images/icon7.png);
}

.sec2 .ul1 li.on a {
	border-color: #2b6abc;
}

.sec2 .ul1 li.on a h3 {
	color: #2b6abc;
}

.sec2 .ul1 li.on a .icon {
	background-color: #2b6abc;
}

.sec2 .ul1 li.on a span {
	background-position: bottom center;
}


.sec2 .swiper-slide a {
	display: block;
}

.sec2 .swiper-slide .pho {
	width: 50%;
	border-radius: 6px;
	overflow: hidden;
}

.sec2 .swiper-slide .text {
	width: 46%;
	padding-top: 40px;
}

.sec2 .swiper-slide .text h3 {
	font-size: 24px;
	font-weight: 600;
}

.sec2 .swiper-slide .text h3  span {
	color: #2b6abc;
}

.sec2 .swiper-slide .text p {
	font-size: 16px;
	color: #666;
	margin: 8px 0 30px;
	font-weight: 350;
}

.sec2 .swiper-slide .text .list a {
	padding-left: 15px;
	position: relative;
	line-height: 30px;
	margin:6px 0;
	font-size: 16px;
	color: #555;
}

.sec2 .swiper-slide .text .list a:before {
	content:"";
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 8px;
	height: 8px;
	background: #2b6abc;
	border-radius: 50%;
}
.sec2 .swiper-button-prev,.sec2 .swiper-button-next {
	top: inherit;
	margin-top: inherit;
	bottom: 30px;
	width: 40px;
	line-height: 40px;
	background: #2b6abc;
	border-radius: 2px;
}
.sec2 .swiper-button-prev:after,.sec2 .swiper-button-next:after{
	color: #fff;
	font-size:24px;
}
.sec2 .swiper-button-prev {
	left: inherit;
	right: 50px;
}
.sec2 .swiper-button-next {
	right: 0;
}

.sec3 {
	padding: 20px 0 50px;
}

.sec3 .pho {
	width: 45%;
	border-radius: 4px;
	overflow: hidden;
	box-shadow: 0 0px 20px rgba(17,112,190,.1);
}

.sec3 .text {
	width: 52%;
	padding:30px 40px 0 0;
	box-sizing: border-box;
}

.sec3 .text .title {
	padding-top: 20px;
}

.sec3 .text .tex p {
	font-size: 16px;
	font-weight: 350;
	color: #555;    
	overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
	text-indent: 2em;
}

.sec3 .text li {
	width: 48%;
	float: left;
	border: 1px solid #e3ecf5;
	color: #68798f;
	line-height: 50px;
	padding: 0 16px;
	box-sizing: border-box;
	margin-top: 20px;
	border-radius: 4px;
	background: #F7FBFF;
}

.sec3 .text li:nth-child(2n) {
	float: right;
}

.sec3 .text li img {
	width: 24px;
	margin-right: 8px;
}

.sec3 .more a {
	display: block;
	width: 130px;
	line-height: 42px;
	background: #2b6abc;
	border-radius: 4px;
	color: #fff;
	text-align: center;
	margin-top: 30px;
}

.sec3 .more a img {
	width: 22px;
}

.sec4 {
	background: #f5f9fd;
}  


.sec4 li {
	width: 33.33%;
	float: left;
	padding: 30px 20px;
	box-sizing: border-box;
}

.sec4 li a {
	display: block;
	border: 1px solid #d4e1ed;
	border-radius: 4px;
	overflow: hidden;
	background: #fff;
}

.sec4 li a .pho {
	position: relative;
}

.sec4 li a .pho span {
	display: block;
	width: 48px;
	line-height: 24px;
	background: #3c5871 ;
	color: #fff;
	text-align: center;
	border-radius: 2px;
	font-weight: 350;
	position: absolute;
	right: 10px;
	top: 10px;
}

.sec4 li a .text {
	padding:14px 20px;
	text-align: center;
}

.sec4 li a .text h3 {
	font-size: 20px;
	font-weight: 500;
	white-space: nowrap;
	overflow:hidden;
	text-overflow: ellipsis;
}

.sec4 li a .text p {
	font-size: 15px;
	color: #666;
	font-weight: 350;
	margin-top: 5px;
}

.sec5 .box {
	margin-top: 30px;
}

.sec5 .lbox {
	width: 64%;
}

.sec5 .lbox .tbox a {
	display: block;
	overflow: hidden;
	border-radius: 4px;
	border: 1px solid #e3ecf5;
}

.sec5 .lbox  .tbox .pho {
	text-align: center;
	width: 35%;
	border-right: 1px solid #e3ecf5;
	box-sizing: border-box;
}

.sec5 .lbox .tbox .text {
	width: 65%;
	padding: 40px 30px 0;
	box-sizing: border-box;
}

.sec5 .lbox .tbox .text .tt {
	line-height: 24px;
	color: #666;
	margin-bottom: 20px;
}

.sec5 .lbox .tbox .text .tt span {
	display: inline-block;
	padding: 0 12px;
	background: #e3ecf5;
	color: #2b6abc;
	line-height: 24px;
	border-radius: 2px;
	font-weight: 350;
	margin-right: 5px;
}

.sec5 .lbox .tbox .text h3 {
	font-size: 22px;
	font-weight: 500;
	margin: 8px 0;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.sec5 .lbox  p {
	line-height: 25px;
	font-weight: 350;
	color: #666;
	overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
	margin: 10px 0 20px;
}

.sec5 .lbox .tbox .text b {
	font-weight: 400;
	display: block;
	color: #2b6abc;
	text-align: right;
}

.sec5 .lbox .tbox .text b img {
	width: 22px;
}

.sec5 .lbox ul {
	margin-top: 30px;
}

.sec5 .lbox ul li {
	width:49%;
	float: left;
}

.sec5 .lbox ul li:nth-child(2n) {
	margin-left: 2%;
}

.sec5 .lbox ul li a {
	display: block;
	background: #fbfdfe;
	border: 1px solid #e3ecf5;
	padding: 20px;
	border-radius: 2px;
}

.sec5 .lbox ul li a h3 {
	font-size: 20px;
	font-weight: 500;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.sec5 .lbox ul li a span {
	display: block;
	color: #666;
	font-weight: 350;
	background: url(../images/jt1.png) no-repeat right center;
	background-size: 21px;
}

.sec5 .lbox ul li a:hover span {
	color: #2b6abc;
}

.sec5 .rbox {
	width: 36%;
}

.sec5 .rbox li {
	padding-left: 40px;
	margin-bottom: 30px;
}

.sec5 .rbox li a {
	display: flex;
    align-items: center; /* 关键：让子元素在交叉轴（垂直方向）居中 */
    justify-content: space-between;
	padding:0 10px ;
	border-radius: 2px;
	box-shadow: 0 0 8px rgba(0,0,0,.1);
}

.sec5 .rbox li a .pho {
	width: 34%;
	box-sizing: border-box;
}

.sec5 .rbox li a .text {
	width:66%;
	padding-left: 14px;
	box-sizing: border-box;
	flex: 1;    
  display: flex;
  flex-direction: column;
  justify-content: center; 
}

.sec5 .rbox li a .text h3 {
	font-size: 19px;
	font-weight: 500;
}

.sec5 .rbox li a .text span {
	display: block;
	color: #8a8a8a;
	font-weight: 350;
	padding-left: 24px;
	background: url(../images/icon12.png) no-repeat left center;
	background-size: 18px;
	margin-top: 10px;
}

.sec5 a:hover h3 {
	color: #2b6abc;
}

.sec6 {
	background: #f7fbff;
	padding: 50px 0;
	text-align: center;
}

.sec6 h3 {
	font-size: 32px;
	font-weight: 500;
}

.sec6 p {
	opacity: 0.8;
	margin: 10px 0 20px;
}

.sec6 a {
	display: inline-block;
	padding: 0 36px 0 20px;
	line-height: 40px;
	background: #2b6abc url(../images/jt2.png) no-repeat right 10px center;
	background-size: 20px;
	color: #fff;
	border-radius: 4px;
}

@media all and (min-width: 768px) and (max-width: 1024px) {
}



@media all and (min-width: 0) and (max-width: 767px) {
}


/* ============================================================================
   ↓↓↓ 以下全部为响应式适配新增代码，未改动上方任何原有样式 ↓↓↓
   断点顺序：1600 → 1440 → 1280 → 992 → 767 → 400 → 375
   所有卡片内边距、间距均不大于原始值，只做缩小。
   ============================================================================ */

/* ============================================================================
   1. ≤1600px
   ============================================================================ */
@media (max-width: 1600px) {

	/* 产品中心 */
	.sec1 ul li { padding: 18px; }
	.sec1 ul li a .text { padding: 15px 18px; }
	.sec1 ul li a .text h3 { font-size: 18px; }

	/* 解决方案 */
	.sec2 .swiper-slide .text h3 { font-size: 23px; }
	.sec2 .swiper-slide .text p { font-size: 15px; }
	.sec2 .swiper-slide .text .list a { font-size: 15px; }

	/* 关于恒美 */
	.sec3 .text .tex p { font-size: 15px; }
	.sec3 .text li { line-height: 46px; }

	/* 视频中心 */
	.sec4 li { padding: 26px 18px; }
	.sec4 li a .text h3 { font-size: 19px; }
	.sec4 li a .text p { font-size: 14px; }

	/* 新闻资讯 */
	.sec5 .lbox .tbox .text h3 { font-size: 21px; }
	.sec5 .lbox ul li a h3 { font-size: 19px; }
	.sec5 .rbox li { padding-left: 36px; margin-bottom: 26px; }
	.sec5 .rbox li a .text h3 { font-size: 18px; }

	/* 询价 CTA */
	.sec6 { padding: 46px 0; }
	.sec6 h3 { font-size: 30px; }
}


/* ============================================================================
   2. ≤1440px
   ============================================================================ */
@media (max-width: 1440px) {

	/* 产品中心 */
	.sec1 ul li { padding: 16px; }
	.sec1 ul li a .text { padding: 14px 16px; }
	.sec1 ul li a .text h3 { font-size: 17px; }
	.sec1 ul li a .text span { font-size: 14px; }
	.sec1 ul li a .text:before { right: 16px; }

	/* 解决方案 */
	.sec2 .ul1 li { padding: 16px 8px 24px; }
	.sec2 .ul1 li a { padding: 20px 8px 16px; }
	.sec2 .ul1 li a h3 { font-size: 17px; }
	.sec2 .swiper-slide .text h3 { font-size: 22px; }
	.sec2 .swiper-slide .text p { font-size: 15px; }

	/* 关于恒美 */
	.sec3 { padding: 18px 0 40px; }
	.sec3 .text .tex p { font-size: 15px; }
	.sec3 .text li { line-height: 46px; }
	.sec3 .more a { width: 120px; line-height: 40px; }

	/* 视频中心 */
	.sec4 li { padding: 22px 16px; }
	.sec4 li a .text h3 { font-size: 18px; }

	/* 新闻资讯 */
	.sec5 .lbox .tbox .text { padding: 26px 20px 0; }
	.sec5 .lbox .tbox .text h3 { font-size: 20px; }
	.sec5 .lbox ul li a { padding: 16px; }
	.sec5 .lbox ul li a h3 { font-size: 18px; }
	.sec5 .rbox li { padding-left: 28px; margin-bottom: 22px; }
	.sec5 .rbox li a .text h3 { font-size: 17px; }

	/* 询价 CTA */
	.sec6 { padding: 40px 0; }
	.sec6 h3 { font-size: 28px; }
}


/* ============================================================================
   3. ≤1280px
   ============================================================================ */
@media (max-width: 1280px) {

	/* 产品中心 */
	.sec1 ul li { padding: 14px; }
	.sec1 ul li a .text { padding: 12px 14px; }
	.sec1 ul li a .text h3 { font-size: 16px; }
	.sec1 ul li a .text span { font-size: 13px; }
	.sec1 ul li a .text:before { width: 30px; height: 30px; right: 14px; background-size: 18px; }

	/* 解决方案 */
	.sec2 .ul1 li { padding: 14px 6px 20px; }
	.sec2 .ul1 li a { padding: 18px 6px 14px; }
	.sec2 .ul1 li a h3 { font-size: 16px; }
	.sec2 .ul1 li a .icon { width: 44px; height: 44px; line-height: 44px; margin-bottom: 12px; }
	.sec2 .ul1 li a .icon span { margin-top: 10px; }
	.sec2 .swiper-slide .text { padding-top: 24px; }
	.sec2 .swiper-slide .text h3 { font-size: 21px; }
	.sec2 .swiper-slide .text p { font-size: 15px; margin: 8px 0 20px; }
	.sec2 .swiper-slide .text .list a { font-size: 14px; line-height: 28px; }

	/* 关于恒美 */
	.sec3 .text { padding: 20px 28px 0 0; }
	.sec3 .text li { line-height: 44px; padding: 0 12px; font-size: 14px; }

	/* 视频中心 */
	.sec4 li { padding: 20px 14px; }
	.sec4 li a .text { padding: 12px 16px; }
	.sec4 li a .text h3 { font-size: 18px; }
	.sec4 li a .text p { font-size: 13px; }

	/* 新闻资讯 */
	.sec5 .lbox .tbox .text { padding: 24px 18px 0; }
	.sec5 .lbox .tbox .text h3 { font-size: 19px; }
	.sec5 .lbox ul li a { padding: 14px; }
	.sec5 .lbox ul li a h3 { font-size: 17px; }
	.sec5 .rbox li { padding-left: 22px; margin-bottom: 18px; }
	.sec5 .rbox li a .text h3 { font-size: 16px; }

	/* 询价 CTA */
	.sec6 { padding: 36px 0; }
	.sec6 h3 { font-size: 26px; }
	.sec6 a { line-height: 38px; }
}


/* ============================================================================
   4. ≤992px  ——  平板：产品卡片一行 3 个（隐藏尾部 2 个），双栏改竖向堆叠
   ============================================================================ */
@media (max-width: 992px) {

	/* ---------- 产品中心：4 列 → 3 列，末尾两个隐藏 ---------- */
	.sec1 ul li { width: 33.33%; padding: 10px; }
	.sec1 ul li a .text { padding: 12px 14px; }
	.sec1 ul li a .text h3 { font-size: 16px; }
	.sec1 ul li:nth-child(n+7) { display: none; }

	/* ---------- 解决方案：tab 仍 5 列，轮播改上下堆叠 ---------- */
	.sec2 { margin: 16px 0 24px; padding-top: 14px; }
	.sec2 .ul1 li { width: 20%; padding: 12px 5px 16px; }
	.sec2 .ul1 li a { padding: 16px 5px 12px; }
	.sec2 .ul1 li a h3 { font-size: 14px; }
	.sec2 .ul1 li a .icon { width: 40px; height: 40px; line-height: 40px; margin-bottom: 8px; }
	.sec2 .ul1 li a .icon span { width: 20px; height: 20px; background-size: 20px; margin-top: 9px; }
	.sec2 .swiper-slide .pho { width: 100%; float: none; }
	.sec2 .swiper-slide .text { width: 100%; float: none; padding: 18px 0 46px; }
	.sec2 .swiper-slide .text h3 { font-size: 20px; }
	.sec2 .swiper-slide .text p { font-size: 14px; margin: 8px 0 14px; }
	.sec2 .swiper-button-prev,
	.sec2 .swiper-button-next { bottom: 10px; width: 34px; line-height: 34px; }
	.sec2 .swiper-button-prev { right: 44px; }

	/* ---------- 关于恒美：左右 → 上下 ---------- */
	.sec3 { padding: 16px 0 30px; }
	.sec3 .text { width: 100%; float: none; padding: 18px 0 0; }
	.sec3 .pho { width: 100%; float: none; margin-top: 18px; }
	.sec3 .text .title { padding-top: 10px; }
	.sec3 .text .tex p { -webkit-line-clamp: 8; }

	/* ---------- 视频中心：3 列 → 2 列，手机端只保留 2 个卡片 ---------- */
	.sec4 li { width: 50%; padding: 16px 10px; }
	.sec4 li:nth-child(3) { display: none; }   /* 想恢复显示第 3 个卡片，删掉这一行 */
	.sec4 li a .text { padding: 12px 14px; }
	.sec4 li a .text h3 { font-size: 16px; }
	.sec4 li a .text p { font-size: 13px; }

	/* ---------- 新闻资讯：1+4 → 上下 ---------- */
	.sec5 .box { margin-top: 20px; }
	.sec5 .lbox { width: 100%; float: none; }
	.sec5 .rbox { width: 100%; float: none; margin-top: 18px; }
	.sec5 .rbox li { padding-left: 0; margin-bottom: 14px; }
	.sec5 .rbox li:last-child { margin-bottom: 0; }
	.sec5 .rbox li a { padding: 0 10px; }
	.sec5 .rbox li a .text h3 { font-size: 16px; }
	.sec5 .lbox .tbox .text { padding: 20px 16px 0; }
	.sec5 .lbox .tbox .text h3 { font-size: 18px; }

	/* ---------- 询价 CTA ---------- */
	.sec6 { padding: 30px 0; }
	.sec6 h3 { font-size: 24px; }
	.sec6 p { font-size: 14px; }

	/* ---------- 首页 banner：箭头与分页缩小 ---------- */
	.bannerSwiper .swiper-button-prev:after,
	.bannerSwiper .swiper-button-next:after { font-size: 24px; }
	.bannerSwiper .swiper-button-prev { left: 5%; }
	.bannerSwiper .swiper-button-next { right: 5%; }
	.bannerSwiper .swiper-pagination { bottom: 10px; }
}


/* ============================================================================
   5. ≤767px  ——  手机：产品卡片一行 2 个，解决方案分类藏掉多出的第 5 个
   ============================================================================ */
@media (max-width: 767px) {

	/* ---------- 产品中心：3 列 → 2 列（尾部两个恢复显示） ---------- */
	.sec1 ul li { width: 50%; padding: 8px; }
	.sec1 ul li:nth-child(n+7) { display: block; }
	.sec1 ul li a .text { padding: 10px 12px; }
	.sec1 ul li a .text h3 { font-size: 15px; }
	.sec1 ul li a .text span { font-size: 12px; }
	.sec1 ul li a .text:before { width: 26px; height: 26px; right: 12px; background-size: 16px; }

	/* 移动端“更多”按钮：原模板 .more.sp 里的 a 带 .pc 会被隐藏，这里恢复显示 */
	.more.sp .pc { display: inline-block !important; }
	.more.sp { text-align: center; padding-top: 10px; }
	.more.sp a { display: inline-block; color: #2b6abc; font-size: 14px; }
	.more.sp a img { width: 16px; }

	/* ---------- 解决方案：分类一行 4 个，多出的第 5 个隐藏（内容由 js/web.js 同步隐藏） ---------- */
	.sec2 { margin: 12px 0 18px; padding-top: 10px; }
	.sec2 .ul1 { display: flex; flex-wrap: wrap; }
	.sec2 .ul1 li { width: 25%; float: none; padding: 6px 4px 12px; }
	.sec2 .ul1 li.solu-hide { display: none; }
	.sec2 .ul1 li a { padding: 14px 4px 10px; }
	.sec2 .ul1 li a h3 { font-size: 13px; }
	.sec2 .ul1 li a .icon { width: 36px; height: 36px; line-height: 36px; margin-bottom: 6px; }
	.sec2 .ul1 li a .icon span { width: 18px; height: 18px; background-size: 18px; margin-top: 8px; }
	.sec2 .swiper-slide .pho { border-radius: 4px; }
	.sec2 .swiper-slide .text { padding-top: 14px; }
	.sec2 .swiper-slide .text h3 { font-size: 18px; }
	.sec2 .swiper-slide .text p { font-size: 14px; line-height: 24px; margin: 6px 0 12px; }
	.sec2 .swiper-slide .text .list a { font-size: 13px; line-height: 26px; margin: 4px 0; }

	/* ---------- 关于恒美 ---------- */
	.sec3 { padding: 12px 0 24px; }
	.sec3 .text .tex p { font-size: 14px; line-height: 26px; -webkit-line-clamp: 10; }
	.sec3 .text .title { padding: 6px 0 0; }
	.sec3 .text li { width: 100%; float: none; font-size: 13px; line-height: 40px; margin-top: 10px; }
	.sec3 .text li:nth-child(2n) { float: none; }
	.sec3 .text li img { width: 20px; }
	.sec3 .more a { width: auto; display: inline-block; padding: 0 20px; line-height: 38px; font-size: 14px; margin-top: 18px; }

	/* ---------- 视频中心：3 列 → 2 列 ---------- */
	.sec4 li { width: 100%;float:inherit; padding: 10px 6px; }
	.sec4 li a .text { padding: 10px 12px; }
	.sec4 li a .text h3 { font-size: 15px; }
	.sec4 li a .text p { font-size: 12px; margin-top: 4px; }
	.sec4 li a .pho span { width: 40px; line-height: 20px; font-size: 12px; right: 8px; top: 8px; }
	.sec4 li:nth-child(3){display:block}

	/* ---------- 新闻资讯：1+4 全部改单列 ---------- */
	.sec5 .box { margin-top: 14px; }
	.sec5 .lbox .tbox a { overflow: visible; }
	.sec5 .lbox .tbox .pho {
		width: 100%;
		float: none;
		border-right: 0;
		border-bottom: 1px solid #e3ecf5;
	}
	.sec5 .lbox .tbox .text { width: 100%; float: none; padding: 12px 14px 0; }
	.sec5 .lbox .tbox .text .tt { margin-bottom: 8px; font-size: 13px; }
	.sec5 .lbox .tbox .text h3 {
		font-size: 16px;
		margin: 6px 0;
		white-space: normal;
		overflow: hidden;
		text-overflow: ellipsis;
		display: -webkit-box;
		-webkit-line-clamp: 2;
		-webkit-box-orient: vertical;
	}
	.sec5 .lbox .tbox .text b { font-size: 13px; }
	.sec5 .lbox .tbox .text b img { width: 16px; }
	.sec5 .lbox ul { margin-top: 12px; }
	.sec5 .lbox ul li { width: 100%; float: none; margin-left: 0 !important; margin-bottom: 10px; }
	.sec5 .lbox ul li a { padding: 12px; }
	.sec5 .lbox ul li a h3 { font-size: 15px; }
	.sec5 .lbox ul li a span { font-size: 13px; }
	.sec5 .rbox { margin-top: 12px; }
	.sec5 .rbox li { margin-bottom: 10px; }
	.sec5 .rbox li a { padding: 0 8px; }
	.sec5 .rbox li a .pho { width: 30%; }
	.sec5 .rbox li a .text { width: 70%; padding-left: 10px; }
	.sec5 .rbox li a .text h3 {
		font-size: 14px;
		display: -webkit-box;
		-webkit-line-clamp: 2;
		-webkit-box-orient: vertical;
		overflow: hidden;
	}
	.sec5 .rbox li a .text span { font-size: 12px; margin-top: 6px; padding-left: 20px; background-size: 14px; }

	/* ---------- 询价 CTA ---------- */
	.sec6 { padding: 26px 0; }
	.sec6 h3 { font-size: 20px; padding: 0 4%; }
	.sec6 p { font-size: 13px; padding: 0 6%; margin: 8px 0 16px; }
	.sec6 a { line-height: 36px; font-size: 14px; padding: 0 28px 0 16px; background-size: 16px; background-position: right 8px center; }

	/* ---------- 首页 banner ---------- */
	.bannerSwiper .swiper-button-prev:after,
	.bannerSwiper .swiper-button-next:after { font-size: 20px; }
	.bannerSwiper .swiper-button-prev { left: 4%; }
	.bannerSwiper .swiper-button-next { right: 4%; }
	.bannerSwiper .swiper-pagination { bottom: 10px; }
	.bannerSwiper .swiper-pagination-bullet { width: 6px; height: 6px; border-width: 2px; }
}


/* ============================================================================
   6. ≤400px  ——  窄屏手机（按需求追加：产品卡片一行 1 个）
   ============================================================================ */
@media (max-width: 400px) {

	/* 产品中心：2 列 → 1 列 */
	.sec1 ul li { width: 100%; padding: 6px 0; }
	.sec1 ul li a .text { padding: 10px 12px; }
	.sec1 ul li a .text h3 { font-size: 15px; }

	/* 解决方案分类：一行 4 个 → 一行 2 个 */
	.sec2 .ul1 li { width: 50%; padding: 5px 4px 10px; }
	.sec2 .ul1 li a { padding: 12px 4px 8px; }
	.sec2 .ul1 li a h3 { font-size: 13px; }
	.sec2 .swiper-slide .text h3 { font-size: 17px; }

	.sec6 { padding: 22px 0; }
	.sec6 h3 { font-size: 19px; }
}


/* ============================================================================
   7. ≤375px  ——  小屏手机
   ============================================================================ */
@media (max-width: 375px) {

	/* 产品中心 */
	.sec1 ul li { padding: 5px 0; }
	.sec1 ul li a .text { padding: 9px 10px; }
	.sec1 ul li a .text h3 { font-size: 14px; }

	/* 解决方案 */
	.sec2 .ul1 li { padding: 4px 3px 8px; }
	.sec2 .ul1 li a { padding: 10px 3px 8px; }
	.sec2 .ul1 li a h3 { font-size: 12px; }
	.sec2 .swiper-slide .text h3 { font-size: 16px; }
	.sec2 .swiper-slide .text p { font-size: 13px; line-height: 22px; }
	.sec2 .swiper-slide .text .list a { font-size: 12px; line-height: 24px; }

	/* 关于恒美 */
	.sec3 .text .tex p { font-size: 13px; line-height: 24px; -webkit-line-clamp: 12; }
	.sec3 .text li { font-size: 12px; line-height: 36px; }
	.sec3 .text li img { width: 18px; margin-right: 5px; }

	/* 视频中心：2 列 → 1 列 */
	.sec4 li { width: 100%; padding: 8px 0; }
	.sec4 li a .text { padding: 10px 12px; }
	.sec4 li a .text h3 { font-size: 14px; }
	.sec4 li a .text p { font-size: 12px; }

	/* 新闻资讯 */
	.sec5 .lbox .tbox .text { padding: 10px 12px 0; }
	.sec5 .lbox .tbox .text h3 { font-size: 15px; }
	.sec5 .lbox .tbox .text .tt { font-size: 12px; }
	.sec5 .lbox ul li a { padding: 10px; }
	.sec5 .lbox ul li a h3 { font-size: 14px; }
	.sec5 .rbox li a .text h3 { font-size: 13px; }

	/* 询价 CTA */
	.sec6 { padding: 20px 0; }
	.sec6 h3 { font-size: 18px; line-height: 26px; }
	.sec6 p { font-size: 12px; line-height: 20px; }
	.sec6 a { line-height: 34px; font-size: 13px; padding: 0 24px 0 14px; }

	/* banner 箭头 */
	.bannerSwiper .swiper-button-prev:after,
	.bannerSwiper .swiper-button-next:after { font-size: 16px; }
}