* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: "Microsoft YaHei", "PingFang SC", "SimSun", serif;
	background: #f4fbff;
	min-height: 100vh;
	position: relative;
}

.container {
	width: 1200px;
	margin: 0 auto;
	position: relative;
	z-index: 1;
}

/* ========== 白银概况样式 ========== */
.bygk-title {
	background: url(./bygktitle_bg.png) no-repeat center center;
	background-size: cover;
	padding: 20px 0;
	height: 151px;
}

.section-overview {
	padding: 50px 0 40px;
	background: url(./section01_by.png) no-repeat center center;
	background-size: cover;
}

.overview-content {
	display: flex;
}

.video-container {
	width: 598px;
	height: 390px;
	background: url(./video_bg.png) no-repeat center center;
	background-size: cover;
	position: relative;
}

.video-js {
	width: 528px;
	height: 297px;
	position: absolute;
	top: 50%;
	left: 47.5%;
	transform: translate(-50%, -50%);
}

.intro-panel {
	flex: 1;
	display: flex;
	flex-direction: column;
}

.intro-content {
	flex: 1;
	overflow-y: auto;
	margin-bottom: 15px;
	text-indent: 2em;
}

.intro-text1 {
	font-size: 18px;
	font-weight: 400;
	line-height: 33px;
	color: #0D59A7;
}

.intro-text2 {
	display: block;
	height: 260px;
	background: url(./byjs_bg02.png) no-repeat center center;
	background-size: cover;
	font-size: 18px;
	font-weight: 400;
	line-height: 38px;
	color: #333;
	padding: 70px 20px 0;
}

.intro-text2 a {
	color: #0D59A7;
	text-decoration: none;
}

.intro-item {
	display: none;
	animation: fadeIn 0.4s ease;
}

.intro-item.active {
	display: block;
  margin-top: 45px;
}

@keyframes fadeIn {
	from { opacity: 0; transform: translateY(5px); }
	to { opacity: 1; transform: translateY(0); }
}

.intro-tabs {
	display: flex;
	justify-content: space-between;
}

.tab-btn {
	padding: 8px 16px;
	border: none;
	background: transparent;
	color: #0D59A7;
	font-size: 18px;
	cursor: pointer;
	position: relative;
	transition: all 0.3s;
	font-weight: 400;
	background: url(./bygknoactive.png) no-repeat center center;
	background-size: cover;
}

.tab-btn.active {
	font-size: 18px;
	font-weight: 400;
	color: #fff;
	background: url(./bygkactive.png) no-repeat center center;
	background-size: cover;
}

/* ========== 投资白银样式 ========== */
.tzby-title {
	background: url(./tzbytitle_bg02.png) no-repeat center center;
	background-size: cover;
	padding: 20px 0;
	height: 151px;
}

.section-invest {
	padding: 40px 0;
}

.invest-grid {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	max-width: 1200px;
	margin: 0 auto;
}

.invest-row {
	display: flex;
	justify-content: space-between;
	width: 100%;
}

.invest-row.second {
	margin-top: -35px;
}

.hexagon-wrapper {
	position: relative;
}

.hexagon {
	width: 100%;
	height: 100%;
	position: relative;
	overflow: hidden;
	background-size: cover;
	cursor: pointer;
	transition: all 0.35s ease;
	filter: drop-shadow(0 4px 8px rgba(0,0,0,0.15));
}

.hexagon.tzdt {
	background-image: url('./tzdt_bg.png');
	width: 277px;
    height: 313px;
}

.hexagon.yshj {
	background-image: url('./yshj_bg.png');
	width: 277px;
    height: 313px;
}

.hexagon.qyfc {
	background-image: url('./qyfc_bg.png');
	width: 277px;
    height: 313px;
}

.hexagon.zsxm {
	background-image: url('./zsxm_bg.png');
	width: 277px;
    height: 313px;
}

.hexagon.tzzc {
	background-image: url('./tzzc_bg.png');
	width: 277px;
    height: 313px;
    transform: translateX(50%);
}

.hexagon.yqly {
	background-image: url('./yqly_bg.png');
	width: 277px;
    height: 313px;
}

.hexagon.more {
	width: 277px;
    height: 313px;
	background-image: url('./more_bg.png');
    transform: translateX(-50%);
}

.hexagon-overlay {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	transition: all 0.35s ease;
}

.hexagon-icon {
	width: 136px;
	height: 153px;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all 0.35s ease;
	background: url(./tzbymb_bg.png) no-repeat center center;
	background-size: cover;
	color: #fff;
	font-size: 22px;
	font-weight: 600;
}

/* ========== 印象白银样式 ========== */
.yxby-title {
	background: url(./yxbytitle_bg.png) no-repeat center center;
	background-size: cover;
	padding: 20px 0;
	height: 150px;
}

.carousel-main {
	position: relative;
	width: 1200px;
	margin: 0 auto;
	height: 500px;
	overflow: hidden;
	background: url(./yxbbbig_bg.png) no-repeat center center;
	background-size: cover;
}

.mySwiper {
	width: 100%;
	height: 100%;
	padding-bottom: 60px;
}

.swiper-slide {
	width: 520px;
	height: 408px;
	overflow: hidden;
	transition: all 0.3s ease;
}

.swiper-slide-active {
	transform: scale(1);
	opacity: 1;
	z-index: 10;
}

.swiper-slide-next,
.swiper-slide-prev {
	transform: scale(0.8);
	opacity: 0.8;
	z-index: 5;
}

.swiper-slide img {
	display: block;
	width: 100%;
	height: 310px;
	object-fit: cover;
}

.carousel-info {
	padding: 0;
	text-align: center;
	background: white;
	color: #636363;
}

.carousel-title {
	line-height: 98px;
	padding-top: 0;
	text-align: center;
	color: #636363;
	font-size: 1.1em;
	margin: 0;
}

.carousel-desc {
	display: none;
}

/* Swiper 导航按钮样式 */
.swiper-button-prev {
	left: -30px;
	width: 45px;
	height: 45px;
	background: url("qiehuan/static/image/wm_button_icon.png") no-repeat;
	background-position: 0 0;
	background-size: 100%;
	border: none;
	border-radius: 0;
	color: transparent;
	z-index: 1000;
	cursor: pointer;
}

.swiper-button-prev:hover {
	background-position: 0 -46px;
	background-size: 100%;
}

.swiper-button-next {
	right: -30px;
	width: 45px;
	height: 45px;
	background: url("qiehuan/static/image/wm_button_icon.png") no-repeat;
	background-position: 0 -93px;
	background-size: 100%;
	border: none;
	border-radius: 0;
	color: transparent;
	z-index: 1000;
	cursor: pointer;
}

.swiper-button-next:hover {
	background-position: 0 -139px;
	background-size: 100%;
}

/* Swiper 分页器样式 */
.swiper-pagination {
	width: 100%;
	bottom: 20px;
}

.swiper-pagination-bullets .swiper-pagination-bullet {
	margin: 0 5px;
	border: 3px solid #fff;
	background-color: #d5d5d5;
	width: 10px;
	height: 10px;
	opacity: 1;
}

.swiper-pagination-bullets .swiper-pagination-bullet-active {
	border: 3px solid #00aadc;
	background-color: #fff;
}

/* 下部分 - 标签切换 */
.impression-tabs {
	display: flex;
	justify-content: space-around;
	padding: 30px 50px;
}

.impression-tab {
	display: flex;
	flex-direction: column;
	align-items: center;
	cursor: pointer;
	transition: all 0.35s ease;
	padding: 15px 30px;
	position: relative;
	width: 180px;
	height: 183px;
	background: url(./yxbysmallclass.png) no-repeat center center;
	background-size: cover;
	justify-content: center;
}

.impression-tab:hover::before,
.impression-tab.active::before {
	opacity: 1;
}

.impression-tab:hover,
.impression-tab.active {
	transform: translateY(-5px);
	background: url(./yxbyhover.png) no-repeat center center;
	background-size: cover;
}

.tab-icon {
	width: 70px;
	height: 70px;
	background: rgba(255, 255, 255, 0.9);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 32px;
	margin-bottom: 12px;
	box-shadow: 0 4px 12px rgba(0,0,0,0.1);
	position: relative;
	z-index: 1;
	transition: all 0.35s ease;
}

.impression-tab:hover .tab-icon,
.impression-tab.active .tab-icon {
	background: white;
	transform: scale(1.1);
	box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}

.tab-link {
	display: flex;
	width: 100%;
	height: 100%;
	text-decoration: none;
	color: inherit;
	z-index: 2;
	position: relative;
	align-items: center;
	justify-content: center;
}

.tab-text {
	font-size: 22px;
	font-weight: 600;
	color: #0d59a7;
	position: relative;
	z-index: 1;
	transition: all 0.35s ease;
	letter-spacing: 2px;
	text-align: center;
}

.impression-tab:hover .tab-text,
.impression-tab.active .tab-text {
	color: #0d59a7;
	font-weight: 600;
	font-size: 22px;
	text-align: center;
}

/* ========== 区县概况样式 ========== */
.section-districts {
	background: url(./botbg.png) no-repeat center center;
	padding-bottom: 30px;
}

.qxgk-title {
	background: url(./qxgktitle_bg.png) no-repeat center center;
	background-size: cover;
	margin: 30px 0;
	height: 150px;
}

.districts-grid {
	display: flex;
	justify-content: center;
	gap: 30px;
}

.district-card {
	width: 216px;
	height: 372px;
	overflow: hidden;
	position: relative;
	box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
	cursor: pointer;
	transition: all 0.4s ease;
}

.district-card:nth-child(2),.district-card:nth-child(4) {
	margin-top: 65px;
}

.district-card:hover {
	box-shadow: 0 15px 35px rgba(52, 152, 219, 0.2);
}

.district-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.5s ease;
}

.district-card:hover .district-img {
	transform: scale(1.08);
}

/* 印象白银 */
#certify, #gongye, #wenlv, #weidao, #shuxiang {
position: relative;
background: url(./yxbysmall_bg.png) no-repeat center center;
margin-top: 30px;
height: 433px;
}

#certify .swiper-container, #gongye .swiper-container, #wenlv .swiper-container, #weidao .swiper-container, #shuxiang .swiper-container {
padding-bottom: 25px;
width: 970px;
}

#certify  .swiper-slide, #gongye  .swiper-slide, #wenlv  .swiper-slide, #weidao  .swiper-slide, #shuxiang  .swiper-slide {
width: 600px;
padding: 30px 0;
position: relative;
}
#certify  .swiper-slide img, #gongye  .swiper-slide img, #wenlv  .swiper-slide img, #weidao  .swiper-slide img, #shuxiang  .swiper-slide img  {
display:block;
position: absolute;
top: 65px;
background: #ccc;
width: 100%;
}
#certify  .swiper-slide p, #gongye  .swiper-slide p, #wenlv  .swiper-slide p, #weidao  .swiper-slide p, #shuxiang  .swiper-slide p {
position: absolute;
top: 330px;
width: 100%;
background: #000000c7;
padding: 10px;
text-align: center;
color: #fff;
font-size: 18px;
font-weight: 700;
}

#certify .swiper-pagination, #gongye .swiper-pagination, #wenlv .swiper-pagination, #weidao .swiper-pagination, #shuxiang .swiper-pagination  {
width: 100%;
bottom: 20px;
}

#certify .swiper-pagination-bullets .swiper-pagination-bullet, #gongye .swiper-pagination-bullets .swiper-pagination-bullet, #wenlv .swiper-pagination-bullets .swiper-pagination-bullet, #weidao .swiper-pagination-bullets .swiper-pagination-bullet, #shuxiang .swiper-pagination-bullets .swiper-pagination-bullet  {
margin: 0 5px;
border: 3px solid #fff;
background-color: #d5d5d5;
width: 10px;
height: 10px;
opacity: 1;
}

#certify .swiper-pagination-bullets .swiper-pagination-bullet-active, #gongye .swiper-pagination-bullets .swiper-pagination-bullet-active, #wenlv .swiper-pagination-bullets .swiper-pagination-bullet-active, #weidao .swiper-pagination-bullets .swiper-pagination-bullet-active, #shuxiang .swiper-pagination-bullets .swiper-pagination-bullet-active  {
border: 3px solid #00aadc;
background-color: #fff;
}

#certify .swiper-button-prev, #gongye .swiper-button-prev, #wenlv .swiper-button-prev, #weidao .swiper-button-prev, #shuxiang .swiper-button-prev {
left: 52px;
width: 56px;
height: 56px;
background: url(./leftjt.png) no-repeat;
background-position: 0 0;
background-size: 100%;
z-index: 100;
cursor: pointer;
}

#certify .swiper-button-next, #gongye .swiper-button-next, #wenlv .swiper-button-next, #weidao .swiper-button-next, #shuxiang .swiper-button-next {
right: 48px;
width: 56px;
height: 56px;
background: url(./rightjt.png) no-repeat;
background-size: 100%;
z-index: 100;
cursor: pointer;
}


/* ============================================================
   移动端适配样式
   适配原则：基于 750px 设计稿，1rem = 100px
   ============================================================ */
@media screen and (max-width: 768px) {
    /* 1. 基础容器与背景 */
    .container {
        width: 100% !important;
        padding: 0 0.2rem;
    }
  
  .nav .container {
  		padding: 0;
  }
    
    body {
        background-image: none;
        background-color: #f4fbff;
    }

    /* 2. 白银概况模块 */
    .section-overview {
        padding: 0.4rem 0;
        background: none;
    }

    .bygk-title {
        height: 0.8rem;
        background: url(./wap_bygktitle_bg.png) no-repeat center;
        background-size: contain;
        margin-bottom: 0.3rem;
    }

    .overview-content {
        flex-direction: column;
    }

    .video-container {
        width: 100% !important;
        height: 4.2rem !important;
        background-size: 100% 100% !important;
    }

    .video-js {
        width: 85% !important;
        height: 81% !important;
        left: 47% !important;
    }

    .intro-panel {
        margin-top: -0.5rem;
		font-size: 0.16rem;
    }

    .intro-text2 {
		background: none;
        padding: 1.7rem 0.4rem 1.2rem 0.4rem !important;
        line-height: 1.6 !important;
        font-size: 0.28rem !important; 
    }

	#intro,#history,#geo,#population,#culture {
        background: url(./wap_byjs_bg.png) no-repeat center center;
		height: auto !important;
        min-height: 3.4rem !important;
		background-size: contain;
    }

	.tab-btn.active {
		background: url(./wap_byjs_active.png) no-repeat center center;
		background-size: cover;
		font-size: 0.26rem;
	}

    .intro-tabs {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 0.1rem;
        margin-top: 0.3rem;
    }

    .tab-btn {
        flex: 0 0 1.3rem;
        height: 0.5rem;
        font-size: 0.26rem;
        padding: 0;
        line-height: 0.5rem;
		background: url(./wap_byjs.png) no-repeat center center;
    	background-size: cover;
    }

	.intro-content {
		overflow-y: hidden;
		margin-bottom: 0;
	}

    /* 3. 投资白银 */
    .section-invest {
        background: #fff;
        padding: 0.4rem 0;
    }

    .tzby-title {
        height: 0.8rem;
        background: url(./wap_tzbytitle_bg.png) no-repeat center;
        background-size: contain;
    }

    .invest-grid {
        display: block;
        padding: 0.4rem 0.2rem;
    }

    .invest-row {
        justify-content: center;
        gap: 0.1rem;
    }

    .invest-row.second {
        margin-top: -0.35rem;
    }

    .hexagon.tzdt, .hexagon.yshj, .hexagon.qyfc, .hexagon.zsxm, 
    .hexagon.tzzc, .hexagon.yqly, .hexagon.more {
        width: 1.7rem;
        height: 1.9rem;
        transform: none !important;
        background-size: 100% 100%;
    }

    .hexagon-icon {
        width: 0.9rem;
        height: 1rem;
        font-size: 0.16rem;
        text-align: center;
        line-height: 1.2;
    }

    /* 4. 印象白银 */
    .yxby-title {
        height: 0.8rem;
        background: url(./wap_yxby_bg.png) no-repeat center;
        background-size: contain;
    }

    .carousel-main {
        width: 100%;
        height: 3.5rem;
        background: url(./wap_yxbybig_bg.png) no-repeat center center;
		background-size: contain;
    }

	#certify, #gongye, #wenlv, #weidao, #shuxiang {
        background: none;
		height: 5.2rem !important;
    }

    .impression-tabs {
        flex-wrap: wrap;
        padding: 0.2rem;
        gap: 0.1rem;
    }

    .impression-tab {
        width: 1.3rem;
        height: 1.3rem;
        padding: 0;
    }

    .tab-text {
        font-size: 0.24rem;
        letter-spacing: 0;
    }

	.swiper-wrap img {
        height: 2rem;
		width: 100%;
    }

    .impression-tabs {
        display: flex !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        padding: 0.2rem 0.1rem !important;
    }

    .impression-tab {
        flex: 1 !important;
        width: auto !important;
        height: 1.45rem !important;
        margin: 0 0.02rem !important;
        padding: 0 !important;
        background-size: 100% 100% !important;
    }

    .tab-text {
        font-size: 0.22rem !important;
        width: 0.6rem !important;
        line-height: 1.2 !important;
        margin: 0 auto !important;
    }

    /* --- 3. 区县概况版块 --- */
	.qxgk-title {
        background: url(./wap_qxgktitle_bg.png) no-repeat center;
        background-size: contain;
    }

    .section-districts {
        background: url(./botbg.png) no-repeat bottom !important;
        background-size: 100% auto !important;
        padding-bottom: 0.6rem !important;
    }

    .districts-grid {
        display: flex !important;
        flex-wrap: nowrap !important;
        justify-content: space-between !important;
        padding: 0 0.15rem !important;
        gap: 0.1rem !important;
    }

    .district-card {
        flex: 1 !important;
        width: auto !important;
        height: 100%;
        border: none;
        box-shadow: 0 6px 20px rgba(0,0,0,0.1) !important;
		display: flex;
    }

    .district-img {
        object-fit: contain;
		height: auto;
    }

    /* --- 其他修正：白银概况 --- */
    .overview-content {
        flex-direction: column !important;
    }
}

@media screen and (max-width: 480px) {
    .intro-text2 {
        background: none;
        padding: 1.7rem 0.4rem 1.2rem 0.4rem !important;
    }
	.intro-tabs {
        margin-top: 0;
    }
	.qxgk-title {
        margin-top: 0;
        height: 1rem;
    }
	.district-card:nth-child(2), .district-card:nth-child(4) {
    	margin-top: 30px;
	}
	.intro-item.active {
		margin-top: 0;
	}
	.swiper-wrap img {
        width: 3rem;
    }
}