/* 基础重置与变量 */
:root {
	--bg-color: #f8d7a3;
	--bg-li: #fae3bf;
	--text-dark: #333333;
	--text-white: #ffffff;
	--text-brown: #5d2613;
}

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

body {
	background-color: var(--bg-color);
	color: var(--text-brown);
	font-family: Arial,"Microsoft YaHei",sans-serif;
	line-height: 1.6;
	overflow-x: hidden;
}

a {
	text-decoration: none;
	color: inherit;
}

ul {
	list-style: none;
}

img{
	display: block;
	max-width: 100%;
}

/* 通用按钮样式 */
.btn-outline {
	margin-top: 30px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 0 50px;
	border: 1px solid var(--text-brown);
	border-radius: 30px;
	background-color: transparent;
	color: var(--text-brown);
	font-size: 1.125rem;
	font-weight: 500;
	min-height: 60px;
	cursor: pointer;
	transition: all 0.3s ease;
	position: relative;
	transition-duration: .2s;
	font-weight: bold;
}

.btn-outline#all_a{
	background: var(--text-brown);
	color: var(--bg-color);
	margin-top: 50px;
}

.index_about .btn-outline#all_a{
	width: 60%;
	background: var(--bg-color);
	margin: 80px auto 0;
	color: var(--text-brown);
}

.index_about .btn-outline#all_a b{
	background: var(--text-brown);
}

.btn-outline#all_a b{
	background: var(--bg-color);
}

.btn-outline b{
	width: 8px;
	height: 8px;
	background: var(--text-brown);
	display: block;
	border-radius: 50%;
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	left: 20px;
}

.btn-outline:hover b{
	left: auto;
	right: 20px;
	transition-duration: .2s;
	background: var(--bg-color) !important;
}

.btn-outline:hover {
	background-color: var(--text-brown) !important;
	color: var(--bg-color) !important;
	border-color: var(--text-brown) !important;
	transform: translateY(-4px);
	transition-duration: .2s;
	opacity: 1 !important;
}

/* --- Header --- */
header {
	background-color: var(--bg-color);
	position: relative;
}

.header_top{
	position: relative;
	border-bottom: 1px solid #d9b486;
}

.logo-container {
	max-width: 160px;
	margin: 0 auto;
	padding: 10px 0;
}

.logo-container img {
	
}

.main-nav { 
	flex: 1 1 auto; 
	display: flex; 
	align-items: center; 
	gap: clamp(12px, 3.125rem, 34px); 
	white-space: nowrap; 
	justify-content: center;  /* 上下居中（主轴） */
}

.main-nav > a, .nav-trigger { 
	position: relative; 
	min-height: 60px; 
	display: inline-flex; 
	align-items: center; 
	border: 0; 
	padding: 0; 
	background: transparent; 
	cursor: pointer; 
	transition: color .2s ease; 
	font-size: 1.125rem;
	transition-duration: .3s;
	position: relative;
	font-weight:700; 
	color: var(--text-brown);
	margin: 0 auto;
	text-align: center;
}

.main-nav > a b{
	position: absolute;
	bottom: 0px;
	left: 50%;
	margin-left: -2px;
	display: block;
	opacity: 0;
	background: var(--text-brown);
	width: 4px;
	height: 4px;
	border-radius: 50%;
	opacity: 0;
	transition-duration: .3s;
}

.main-nav > a:hover{ 
	color: var(--primary-blue); 
	transition-duration: .3s;
}

.meua{
	margin: 0 4%;
}

.main-nav > a:hover b{
	opacity: 1;
	bottom: 10px;
	transition-duration: .3s;
}

.main-nav > a.on{ 
	color: var(--primary-blue); 
	transition-duration: .3s;
}

.main-nav > a.on b{
	opacity: 1;
	bottom: 10px;
	transition-duration: .3s;
}

.nav-dropdown { 
	position: relative; 
}

.nav-trigger { 
	gap: 8px; 
}

.chevron { 
	width: 7px; 
	height: 7px; 
	border-right: 1.5px solid currentColor; 
	border-bottom: 1.5px solid currentColor; 
	transform: rotate(45deg) translateY(-2px); 
	transition: transform .18s ease; 
}

.nav-dropdown.is-open .chevron { 
	transform: rotate(225deg) translate(-1px, -1px); 
}

.dropdown-menu { 
	position: absolute; 
	z-index: 20; 
	top: calc(100% + 2px); 
	left: -18px; 
	width: 230px; 
	padding: 10px; 
	border: 1px solid rgba(23, 61, 120, .12); 
	border-radius: 12px; 
	background: var(--text-brown); 
	box-shadow: 0 16px 38px rgba(17, 43, 78, .16); 
}

.dropdown-menu[hidden] { 
	display: none !important; 
}

.dropdown-menu a { 
	display: block; 
	padding: 15px 10px; 
	border-radius: 8px; color: #34445b; 
	font-size: 1rem; 
	color: var(--bg-color);
}

.dropdown-menu a:hover, .dropdown-menu a:focus-visible { 
	background: var(--bg-color); 
	color: var(--text-brown); 
}

.header-actions { 
	display: flex; 
	flex: 0 0 auto; 
	align-items: center; 
	gap: 15px; 
	position: absolute;
	right: 4%;
	top: 32.5px;
}

.language-badge, .search-button { 
	width: 40px; 
	height: 40px; 
	border: 0; 
	border-radius: 50%; 
	display: grid; 
	place-items: center; 
	color: #fff; 
	background: var(--text-brown); 
	font-size: 10px; 
	font-weight: 800; 
	transition-duration: .2s;
}

.language-badge:hover{
	transform: translateY(-2px); 
	transition-duration: .2s;
}

.search-button { 
	cursor: pointer; 
}

/* --- Hero Section --- */
.hero {
	text-align: center;
	padding: 60px 20px 40px;
}

.hero-logos {
	display: flex;
	justify-content: center;
	gap: 15px;
	margin-bottom: 20px;
}

.hero-logos img {
	height: 45px;
}

.hero h1 {
	font-size: 28px;
	color: var(--text-brown);
	font-weight: 600;
	margin-bottom: 5px;
	letter-spacing: 1px;
}

.hero h2 {
	font-family: var(--font-serif);
	font-size: 18px;
	color: var(--text-brown);
	font-weight: 500;
	margin-bottom: 15px;
}

.hero h3 {
	font-size: 36px;
	color: var(--text-brown);
	font-weight: 700;
	margin-bottom: 10px;
	letter-spacing: 2px;
	font-family: "STKaiti", "KaiTi", serif; /* 使用楷体更贴近原图 */
}

.hero h4 {
	font-family: var(--font-serif);
	font-size: 20px;
	color: var(--text-brown);
	font-weight: 600;
	margin-bottom: 25px;
}

.hero p {
	font-size: 11px;
	color: var(--text-light);
	line-height: 1.8;
	max-width: 800px;
	margin: 0 auto 40px;
}

.hero-graphic {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 30px;
	margin-bottom: 60px;
}

.hero-graphic img {
	max-height: 120px;
}

/* --- Section 通用样式 --- */
.index_about .section{
	padding: 80px 0 0;
}

.section {
	padding: 80px 0;
	text-align: center;
}

.section-title {
	font-size: 2.25rem;
	color: var(--text-brown);
	margin-bottom: 10px;
	font-weight: bold;
}

.section-subtitle {
	font-size: 1.125rem;
	color: var(--text-brown);
	font-family: "Microsoft YaHei";
	margin: 0 10% 60px;
	font-weight: 100;
}

/* --- Previous Review --- */
.review-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
	margin: 0 10% 40px;
}

.review-card {
	background: var(--bg-li);
	border-radius: 10px;
	text-align: left;
	box-shadow: 3px 0 20px rgb(204 204 204 / 35%);
	transition-duration: .2s;
}

.review-card img {
	width: 100%;
	height: 180px;
	object-fit: cover;
	border-radius: 4px;
	margin-bottom: 15px;
}

.review_text{
	padding: 30px 30px;
}

.review-card:hover{
	transform: translateY(-4px); 
	transition-duration: .2s;
}

.review_text p {
	font-size: 1.375rem;
	color: var(--text-brown);
	font-weight: bold;
	line-height: 1.875rem;
	margin-bottom: 15px;
	min-height: 40px;
	min-width: 0; /* 关键，允许收缩 */
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
	overflow: hidden;
	text-overflow: ellipsis;
	line-clamp: 3;
}

/* --- Special Topic Video --- */
.index_video{
	background: var(--bg-li);
	padding: 0 10%;
}

.video-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 60px;
	margin: 0 auto;
}

.video-item {
	text-align: left;
}

.video-thumbnail {
	position: relative;
	border-radius: 5px;
	overflow: hidden;
	margin-bottom: 30px;
	cursor: pointer;
	height: 400px;
	overflow: hidden;
	position: relative;
}

.video-thumbnail:hover .video_shadow{
	opacity: 1;
	top: 0;
	transition-duration: .3s;
}

.video-bg{
	width: 100%;
}

.video_shadow{
	position: absolute;
	top: 50%;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgb(0 0 0 / 70%);
	opacity: 0;
	transition-duration: .3s;
}

.video_shadow img{
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	display: block;
	width: 14%;
	height: auto !important;
	margin: 0 auto;
	left: 43%;
}

.video-thumbnail img.video-bg {
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.3s;
}

.video-thumbnail:hover img.video-bg {
	transform: scale(1.03);
}


.video-item p {
	font-size: 1.5rem;
	line-height: 1.5rem;
	color: var(--text-brown);
	min-width: 0; /* 关键，允许收缩 */
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
	text-overflow: ellipsis;
	line-clamp: 2;
}

/* --- About Us --- */
.index_about .about-container {
	display: flex;
	background: var(--bg-li);
	border-radius: 30px;
	overflow: hidden;
	margin: 0 10%;
	text-align: left;
	box-shadow: 3px 0 20px rgb(204 204 204 / 35%);
}

.index_about .about-img {
	flex: 1;
	padding: 60px 60px 80px;
}

.index_about .about-img img {
	width: 100%;
	/* height: 100%; */
	object-fit: cover;
	min-height: 400px;
	border: 1px solid #eeeeee;
	box-shadow: 3px 0 20px rgb(204 204 204 / 35%);
	border-radius: 10px;
	overflow: hidden;
}

.index_about .about-content {
	flex: 1;
	padding: 60px 50px 60px 0;
	display: flex;
	flex-direction: column;
	/* justify-content: center; */
}

.index_about .about-content h3 {
	font-size: 1.875rem;
	color: var(--text-brown);
	margin-bottom: 40px;
	line-height: 1.875rem;
}

.index_about .about-content .about-content_text{
	background: url(../img/about_bg.png) no-repeat top left;
	padding-top: 25px;
}

.index_about .about-content p {
	font-size: 1.125rem;
	color: var(--text-brown);
	line-height: 1.875rem;
	padding-bottom: 40px;
}

/* --- News Updates --- */
.inner_exchanges .news-grid{
	margin: 0 0 80px;
}

.inner_exchanges .section{
	padding: 0;
}

.inner_video{
	margin: 0 10%;
}

.inner_video .section{
	padding: 0;
}

.inner_video .video-grid{
	margin: 0 0 80px;
}

.news-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
	margin: 0 10% 30px;
}

.news-card {
	background-color: var(--bg-li);
	border-radius: 10px;
	overflow: hidden;
	text-align: left;
	box-shadow:3px 0 20px rgb(204 204 204 / 35%);
	display: flex;
	flex-direction: column;
}

.news-img-container {
	position: relative;
	min-height: 180px;
	height: 220px;
	overflow: hidden;
}

.news-img-container img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.3s;
}

.news-img-container:hover img {
	transform: scale(1.03);
}

.news-img-container .btn-outline {
	position: absolute;
	bottom: 30px;
	left: 30px;
	background: var(--bg-color);
	border: none;
	opacity: .6;
}

.news-content {
	padding: 30px 30px;
	flex-grow: 1;
	display: flex;
	flex-direction: column;
}

.news-date {
	font-size: 1rem;
	color: var(--text-brown);
	font-family: "Microsoft YaHei";
}

.news-title {
	font-size: 1.375rem;
	color: var(--text-brown);
	font-weight: 600;
	line-height: 1.875rem;
	margin: 30px 0;
	min-width: 0; /* 关键，允许收缩 */
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
	text-overflow: ellipsis;
	line-clamp: 2;
}

.news-desc {
	font-size: 1rem;
	color: var(--text-light);
	line-height: 1.5rem;
	flex-grow: 1;
	min-width: 0; /* 关键，允许收缩 */
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
	overflow: hidden;
	text-overflow: ellipsis;
	line-clamp: 3;
}

/* --- 面包屑导航 --- */
.breadcrumb-container {
	padding: 60px 10%;
}

.breadcrumb {
	font-size: 1.125rem;
	color: var(--text-brown);
}

.breadcrumb a {
	color: var(--text-brown);
	transition: color 0.3s;
}

.breadcrumb span {
	margin: 0 5px;
}

.breadcrumb .current {
	font-style: italic;
	font-weight: bold;
}

/* --- 主体内容区 --- */
.inner_contact{
	margin: 0 10%;
	padding: 100px 80px;
	background: var(--bg-li);
	border-radius: 30px;
	box-shadow: 3px 0 20px rgb(204 204 204 / 35%);
}

.content-section {
	margin: 0 auto;
}

/* 联系卡片 */
.contact-card {
	
}

.contact-header {
	text-align: center;
	margin-bottom: 80px;
}

.contact-header h2 {
	font-size: 2.25rem;
	font-weight: bold;
	color: var(--text-brown);
	margin-bottom: 10px;
}

.contact-header p {
	font-size: 1.125rem;
	font-family: "Microsoft YaHei";
	color: var(--text-brown);
	font-weight: 100;
}

.contact-body {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 100px;
}

/* 左侧信息列表 */
.contact-info {
	display: flex;
	flex-direction: column;
	gap: 35px;
}

.info-item {
	align-items: flex-start;
	gap: 20px;
	overflow: hidden;
}

.info-icon {
	float: left;
	max-width: 36px;
}

.info-text {
	float: left;
	max-width: 80%;
	margin-left: 40px;
	font-size: 1.25rem;
	color: var(--text-brown);
	line-height: 34px;
}

.info-item:first-child .info-icon{
	margin: 10px 0;
}

.info-item:first-child .info-text{
	line-height: 30px;
}

/* 右侧地图 */
.contact-map {
	height: 350px;
	width: 80%;
	border-radius: 10px;
	overflow: hidden;
	background-color: var(--bg-color); /* 地图加载前的背景色 */
	position: relative;
}

.contact-map img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

/* --- 顶部特写大卡片 --- */
.inner_review{
	margin: 0 10%;
}

.inner_review .featured-card {
	display: flex;
	background-color: var(--bg-card);
	border-radius: 8px;
	overflow: hidden;
	margin-bottom: 40px;
	box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}

.inner_review .featured-img {
	background:var(--bg-color);
	display: flex;
	justify-content: center;
	align-items: center;
	border: 1px solid var(--bg-li);
	border-top-left-radius: 30px;
	border-bottom-left-radius: 30px;
	overflow: hidden;
}

.inner_review .featured-img img {
	max-width: 100%;
	height: auto;
	object-fit: contain;
}

.inner_review .featured-content {
	flex: 1;
	background: var(--bg-li);
	padding: 60px 60px;
	/* display: flex; */
	flex-direction: column;
	justify-content: center;
	border-top-right-radius: 30px;
	border-bottom-right-radius: 30px;
}

.inner_review .featured-content .btn-outline{
	margin-top: 100px;
	background: var(--text-brown);
	color: var(--bg-color);
}

.inner_review .featured-content .btn-outline b{
	background: var(--bg-color);
}

.inner_review .featured-content .tag {
	font-size: 1.125rem;
	color: var(--text-brown);
	margin-bottom: 30px;
	min-width: 0; /* 关键，允许收缩 */
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
	overflow: hidden;
	text-overflow: ellipsis;
	line-clamp: 3;

}

.inner_review .featured-content h2 {
	font-size: 2.25rem;
	font-weight: normal;
	color: var(--text-main);
	line-height: 1.2;
	min-width: 0; /* 关键，允许收缩 */
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
	overflow: hidden;
	text-overflow: ellipsis;
	line-clamp: 3;
}

 /* --- 卡片网格 --- */
.inner_review .card-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 40px;
	margin-bottom: 80px;
}

.inner_review .card {
	background-color: var(--bg-li);
	border-radius: 8px;
	padding: 40px 30px;
	flex-direction: column;
	box-shadow: 0 4px 15px rgba(0,0,0,0.02);
	transition: transform 0.3s ease;
}

.inner_review .card:hover {
	transform: translateY(-5px);
}

.inner_review .card-date {
	font-size: 1.125rem;
	color: var(--text-brown);
}

.inner_review .card .btn-outline{
	margin-top: 60px;
	background: var(--bg-color);
}

.inner_review .card-title{
	font-size: 1.75rem;
	font-weight: normal;
	color: var(--text-brown);
	margin: 30px 0 0;
	line-height: 1.875rem;
	flex-grow: 1;
}

/* --- 主体内容区 (卡片网格) --- */
.inner_exchanges{
	margin: 0 10%;
}

/* --- 分页器 --- */
.pagination {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 20px;
	font-size: 1.25rem;
	font-weight: 500;
	color: var(--text-main);
}

.pagination a {
	display: flex;
	justify-content: center;
	align-items: center;
	transition: all 0.3s;
}

.pagination .nav-text {
	font-size: 1rem;
	letter-spacing: 1px;
}

.pagination .nav-text:hover {
	color: #a35c3a;
}

.pagination .page-num {
	width: 46px;
	height: 46px;
	border-radius: 50%;
}

.pagination .page-num:hover {
	background-color: var(--bg-li);
}

.pagination .page-num.active {
	background-color: var(--text-brown);
	color: #fff;
}

.inner_about{
	margin: 0 10%;
	/* padding: 80px 80px;
	background: var(--bg-li);
	border-radius: 30px;
	box-shadow: 3px 0 20px rgb(204 204 204 / 35%); */
}

.inner_news{
	margin: 0 10%;
}

.inner_content{
	margin: 40px 0;
	font-size: 1.25rem;
	color: var(--text-brown);
}

#inner_title{
	font-size: 2.25rem;
	font-weight: bold;
	color: var(--text-brown);
	margin-bottom: 10px;
	text-align: center;
}

.innernews-card .news-date{
	text-align: center;
	border-bottom: 1px solid var(--text-brown);
	padding-bottom: 20px;
}

/* --- Footer --- */
footer {
	background: var(--bg-li);
	padding: 100px 10% 30px;
	text-align: center;
	border-top: 1px solid rgba(209, 188, 163, 0.3);
	margin-top: 100px;
}

footer h2 {
	font-size: 1.875rem;
	color: var(--text-brown);
	margin-bottom: 30px;
}

.footer-nav {
	display: flex;
	justify-content: center;
	gap: 40px;
	margin-bottom: 40px;
}

.footer-nav a {
	font-size: 1.125rem;
	color: var(--text-brown);
	transition: color 0.3s;
	font-family: "Microsoft YaHei";
	font-weight: 100;
}

.footer-nav a:hover {
	color: var(--text-brown);
}

.social-icons {
	display: flex;
	justify-content: center;
	gap: 20px;
	margin-bottom: 150px;
}

.social-icons a {
	width: 50px;
	height: 50px;
	border-radius: 50%;
	color: white;
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 16px;
	opacity: .5;
	transition-duration: .2s;
}

.social-icons a:hover {
	opacity: 1;
	transition-duration: .2s;
	transform: translateY(-2px); 
}

.copyright {
	font-size: 0.875rem;
	opacity: .5;
	color: var(--text-brown);
	font-family: "Microsoft YaHei";
	font-weight: 100;
}

/* 响应式设计 */
@media (max-width: 1024px) {
	nav { gap: 20px; }
	.review-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
	.about-container { flex-direction: column; }
	.about-img img { min-height: 300px; }
}

@media (max-width: 768px) {
	header { flex-direction: column; padding: 15px; gap: 15px; }
	.logo-container { position: static; transform: none; }
	nav { flex-wrap: wrap; justify-content: center; padding-top: 0; }
	.header-left { display: none; }
	.hero h1 { font-size: 20px; }
	.hero h3 { font-size: 24px; }
	.hero h4 { font-size: 16px; }
	.hero-graphic { flex-direction: column; }
	.review-grid, .video-grid, .news-grid { grid-template-columns: 1fr; }
	.footer-nav { flex-wrap: wrap; }
	.about-content { padding: 30px 20px; }
}
/* --- 后台录入内容的正文排版（设计稿未覆盖，补充通用样式） --- */
.inner_content p { margin: 0 0 16px; }
.inner_content p:last-child { margin-bottom: 0; }
.inner_content img { max-width: 100%; height: auto; margin: 10px 0; }
.inner_content ul, .inner_content ol { padding-left: 22px; margin: 0 0 16px; }
.inner_content ul { list-style: disc; }
.inner_content ol { list-style: decimal; }
.inner_content h2, .inner_content h3 { margin: 20px 0 12px; }
.inner_content a { text-decoration: underline; }