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

body {
	background-color: #FFF;
	color: #000;
	overflow-x: hidden;
	font-family:
		"PingFang SC",
		"PingFang Medium",
		"PingFang Light",
		"PingFang Regular",
		"PingFang SC Heavy",  /* macOS 10.11+ */
		"PingFang Heavy",     /* macOS 10.11+ 澶囩敤鍚 */
		"Microsoft YaHei UI", /* Windows */
		"Microsoft YaHei",    /* Windows 澶囩敤 */
		"Hiragino Sans GB",   /* 鏃х増macOS/閮ㄥ垎Linux */
		"Source Han Sans SC", /* 鎬濇簮榛戜綋 */
		"Noto Sans SC",       /* 鎬濇簮榛戜綋澶囩敤 */
		sans-serif;
}

/* 瀵艰埅鏍忔牱寮 - 娴姩鍦ㄥ够鐏墖涓婃柟 */
header {
	top: 0;
	left: 0;
	width: 100%;
	height: 72px;
	display: flex;
	justify-content: center;
	align-items: center;
	z-index: 1000;
	transition: background-color 0.4s ease;	
}

header.fixed {
	position: fixed;
}

header.transparent {
	background-color: #FFF;
}

header.transparent.fixed {
	background-color: transparent;
}

header.scrolled {
	background-color: rgba(0, 0, 0, 0.8);
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

#openSearch {
	width: 24px;
	height: 24px;
	background-image: url('../images/search.png');
}

.nav-container {
	width: 1400px;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.nav-container img{
	height: 21px;
}

.nav-links {
	display: flex;
	list-style: none;
	flex: 1;
	justify-content: center;
	gap: 60px;
	padding: 0 20px;
}

.nav-links li a {
	color: #000;
	text-decoration: none;
	font-size: 18px;
	font-weight: 400;
	transition: color 0.3s;
	white-space: nowrap;
	position: relative;
	padding-top: 8px;
	padding-bottom: 8px;
	overflow: visible;
}

header.fixed .nav-links li a {
	color: white;
}

.nav-links li a::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 4px;
	background-color: #ff6700;
	transition: width 0.3s ease;
	display: block;
}

.nav-links li a:hover::after {
	width: 100%;
}

.nav-links li a:hover {
	
}

header.fixed .nav-links li .active,
.nav-links li .active {
	color: #EB6C00
}

.nav-right {
	display: flex;
	align-items: center;
	gap: 60px;
}

.search-icon {
	color: white;
	font-size: 18px;
	cursor: pointer;
	transition: color 0.3s;
	width: 36px;
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	transition: background-color 0.3s;
}

/* 璇█鍒囨崲鍖哄煙锛堟粦鍔ㄦ粦鍧楋級 */
.lang-switch {
	position: relative;
	display: flex;
	align-items: center;
	height: 26px;
	width: 68px;
	cursor: pointer;
	background-color: #F3F3F3;
	border-radius: 4px;
}
.lang-options {
	display: flex;
	position: relative;
	z-index: 2;
}
.lang-option {
	line-height: 100%;
	font-size: 16px;
	color: #000;
	transition: color 0.3s ease;
	width: 34px;
	text-align: center;
}
.lang-option.active {
	color: #FFF;
}
.lang-slider {
	position: absolute;
	left: 0;
	width: 34px;
	height: 100%;
	border-radius: 3px;
	transition: transform 0.3s ease; /* 婊戝潡婊戝姩鍔ㄧ敾 */
	z-index: 1; /* 浣嶄簬鏂囧瓧涓嬫柟 */
	background-color: #EB6C00;
}

.dropdown-parent {
	position: relative;
}

.dropdown-menu {
	position: absolute;
	top: 46px;           /* 绱ц创鐖堕」搴曢儴 */
	left: -30%;
	width: 132px;        /* 鍥哄畾瀹藉害160px */
	background: transparent;   /* 瀹瑰櫒閫忔槑锛岄棿闅斿彲瑙 */
	padding: 0;
	margin: 0;
	list-style: none;
	z-index: 1050;
	visibility: hidden;
	opacity: 0;
	transition: visibility 0.2s ease, opacity 0.25s ease;
}

/* 鎮诞鐖剁骇鏃舵樉绀轰笅鎷夎彍鍗 */
.dropdown-parent:hover .dropdown-menu {
	visibility: visible;
	opacity: 1;
}

/* 姣忎釜鑿滃崟椤规牱寮忥細瀹?60px锛岄珮60px锛屼笅杈硅窛4px锛岄粦鑹插崐閫忔槑鑳屾櫙 */
.dropdown-menu li {
	width: 132px;
	height: 60px;
	margin-bottom: 4px;          /* 闂撮殧4px */
	background: rgba(0, 0, 0, 0.3);  /* 榛戣壊閫忔槑搴?0% */
	border-radius: 6px;          /* 鏌斿拰鍦嗚锛屽彲閫夛紝涓嶇牬鍧忚瑙 */
	transition: all 0.2s ease;
	list-style: none;
	display: flex;
	align-items: center;
	justify-content: center;
	backdrop-filter: blur(0px);   /* 淇濊瘉绾崐閫忔槑锛屾棤妯＄硦 */
}

/* 鏈€鍚庝竴涓彍鍗曢」鍘婚櫎涓嬭竟璺濓紝淇濊瘉涓嶆孩鍑哄浣欓棿璺 */
.dropdown-menu li:last-child {
	margin-bottom: 0;
}

/* 鑿滃崟鍐呴摼鎺ユ牱寮忥細鍧楃骇鎾戞弧銆佺櫧鑹叉枃瀛椼€佹棤涓嬪垝绾裤€佸眳涓 */
.dropdown-menu li a {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%;
	color: #ffffff;
	font-size: 20px;
	font-weight: 400;
	text-decoration: none;
	letter-spacing: 1px;
	transition: all 0.2s ease;
	background: transparent;
	border-radius: 6px;
}

/* 绉婚櫎缁ф壙鐨勪笅鍒掔嚎浼厓绱狅紝淇濊瘉绾噣 */
.dropdown-menu li a::after {
	display: none !important;
	content: none;
}

/* 鎮仠楂樹寒鏁堟灉锛氳儗鏅姞娣辨垨澧炲姞浜壊杈规锛屾彁鍗囦氦浜 */
.dropdown-menu li:hover {
	background: rgba(0, 0, 0, 0.65);
	transform: translateY(-1px);
}

.dropdown-menu li:hover a {
	color: #EB6C00;
}

.search-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 72px;
	background-color: white;
	z-index: 1000;
	opacity: 0;
	visibility: hidden;
	transition: all 0.4s ease;
	box-shadow: 0 5px 20px rgba(0,0,0,0.1);
	display: flex;
	align-items: center;
}

.search-overlay.active {
	opacity: 1;
	visibility: visible;
}

.search-container {
	width: 100%;
	max-width: 1920px;
	margin: 0 auto;
	padding: 0 40px;
	display: flex;
	align-items: center;
}

.logo-container {
	flex-shrink: 0;
	margin-left: 12%;
}

.search-main {
	flex: 1;
	position: relative;
	display: flex;
	flex-direction: column;
}

.search-box-container {
	margin: 0 auto;
	width: 100%;
}

.search-box {
	display: flex;
	height: 30px;
	background: #FFF;
	border-radius: 50px;
	padding: 0 15px;
	transition: all 0.3s ease;
}

.search-box:focus-within {
	
}

.search-icon {
	width: 30px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #6c757d;
	font-size: 1.1rem;
}

.search-input {
	flex: 1;
	border: none;
	background: transparent;
	outline: none;
	font-size: 1rem;
	padding: 0 10px;
	color: #495057;
	font-weight: 500;
}

.search-input::placeholder {
	color: #adb5bd;
	font-weight: 400;
}

.clear-btn {
	width: 30px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #000;
	font-size: 1.1rem;
	cursor: pointer;
	opacity: 0;
	visibility: hidden;
	transition: all 0.2s ease;
}

.clear-btn.visible {
	opacity: 1;
	visibility: visible;
}

.suggestions-box {
	position: fixed;
	top: 72px;
	left: 0;
	width: 100%;
	background: white;
	box-shadow: 0 15px 35px rgba(0,0,0,0.1);
	padding: 25px;
	display: none;
	z-index: 1001;
	border-top: 1px solid #f0f0f0;
	max-height: calc(100vh - 72px);
	overflow-y: auto;
}

.suggestions-box.visible {
	display: block;
}

.suggestions-title {
	font-size: 1.1rem;
	color: #495057;
	margin-bottom: 5px;
	font-weight: 600;
	display: flex;
	align-items: center;
	gap: 10px;
	width: 40%;
	margin-left: auto;
	margin-right: auto;
	padding: 0 10px;
}

.suggestions-box ul{
	width: 40%; 
	margin-left: auto; 
	margin-right: auto; 
	padding-left: 1%; 
	list-style-type: none;
	text-align: left;
}

.suggestions-box ul li a{
	text-decoration: none;
	color: #000;
}

.close-btn {
	width: 40px;
	height: 40px;
	background: linear-gradient(135deg, #ff6700, #ff8c00);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
	font-size: 1.3rem;
	cursor: pointer;
	box-shadow: 0 4px 10px rgba(220, 53, 69, 0.4);
	transition: all 0.2s ease;
	margin-left: 30px;
}

.close-btn:hover {
	transform: rotate(90deg);
}

.placeholder-div{
	height: 100px;
}

.category {
    height: 315px;
    /*max-width: 1920px;*/
	width: 100%;
    justify-content: center;
    flex-wrap: nowrap;
    overflow: hidden;
    background-color: #FFF;
    z-index: 1000;
    /* 鏀逛负鍗犱綅甯冨眬锛岀Щ闄ゆ诞鍔ㄥ畾浣 */
    position: absolute;		/* 鎴 fixed, top: 72px; 瀹炵幇鑿滃崟璺熼殢 */
	/*position: relative; 	/* 鎴 fixed 鏀逛负鐩稿瀹氫綅瀹炵幇鍗犱綅缃戦〉鑰屼笉鏄诞鍔ㄥ湪琛ㄩ潰鏁堟灉 */
    width: 100%;
    display: none; 			/* 鍒濆闅愯棌锛岄€氳繃JS鎺у埗鏄剧ず */
    
    /* 浼樺寲鍔ㄧ敾鏁堟灉 */
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    max-height: 0;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease, max-height 0.4s ease;
}

/* 鏄剧ず鏃剁殑鍔ㄧ敾鐘舵€ */
.category.show {
    display: flex;
    transform: scaleY(1);
    opacity: 1;
    max-height: 315px; /* 纭繚楂樺害杩囨浮 */
}

/* 闅愯棌鏃剁殑鍔ㄧ敾鐘舵€ */
.category.hiding {
    transform: scaleY(0);
    opacity: 0;
    max-height: 0;
}

.category .active {
    color: #ff6700;
}

/* 纭繚椤甸潰鍐呭鍦╟ategory涓嬫柟锛屼笉浼氳閬尅 */
/*main, .page-content {
    position: relative;
    z-index: 1;
}*/

.category-item {
    height: 222px;
    flex: 0 0 auto;
    width: 240px;
    justify-content: space-between;
    align-items: center;
    border-right: none;
	margin-top: 47px;
	text-align: center;
	opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.category-item a{
	color: #000;
	text-decoration: none;
}

.category-item a img{
	width: 168px;
}

.category.show .category-item {
    opacity: 1;
    transform: translateY(0);
}

/* 涓烘瘡涓」鐩坊鍔犱笉鍚岀殑寤惰繜鏁堟灉 */
.category.show .category-item:nth-child(1) { transition-delay: 0.1s; }
.category.show .category-item:nth-child(2) { transition-delay: 0.15s; }
.category.show .category-item:nth-child(3) { transition-delay: 0.2s; }
.category.show .category-item:nth-child(4) { transition-delay: 0.25s; }
.category.show .category-item:nth-child(5) { transition-delay: 0.3s; }

/* 娣诲姞鎮仠鏁堟灉 */
.category-item:hover {
    transform: translateY(-2px);
}

.category-item img {
    transition: transform 0.3s ease;
}

.category-item:hover img {
    transform: scale(1.05);
}

.category-item span {
	padding: 0;
	display: block;
	font-size: 20px;
	line-height: 24px;
	margin-top: 20px;
}



/* 瀵艰埅瀹瑰櫒 - 鏀惧鏈€澶у搴︼紝瀹圭撼鑻辨枃闀胯彍鍗 */
.lang-en .nav-container {
    max-width: 1400px;   /* 浠 1240px 澧炲姞鍒 1400px */
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

/* 瀵艰埅閾炬帴 - 鑷姩鏀剁缉闂磋窛锛屼笉婧㈠嚭 */
.lang-en .nav-links {
    display: flex;
    list-style: none;
    flex: 1;
    justify-content: center;
    gap: 30px;           /* 榛樿闂磋窛浠 60px 鍑忓皬鍒 30px */
    padding: 0 20px;
    flex-wrap: nowrap;   /* 淇濇寔鍗曡 */
}

/* 鑿滃崟椤规枃瀛 - 鍏佽杞诲井缂╂斁鎴栫缉灏忓唴杈硅窛 */
.lang-en .nav-links li a {
    font-size: 16px;
    white-space: nowrap;
    padding: 8px 3px;    /* 宸﹀彸鍐呰竟璺濅粠 5px 鍑忎负 3px锛岄噴鏀炬洿澶氱┖闂 */
}

/* 涓嬫媺鑿滃崟瀹瑰櫒 - 鑷€傚簲瀹藉害 + 灞呬腑瀵归綈 */
.lang-en .dropdown-menu {
    position: absolute;
    top: 46px;
    left: 50%;
    transform: translateX(-50%);
    width: max-content;          /* 瀹藉害鐢辨渶瀹界殑瀛愰」鍐冲畾 */
    min-width: 120px;            /* 淇濊瘉鏈€灏忓彲鐐瑰嚮鍖哄煙 */
    background: transparent;
    padding: 0;
    margin: 0;
    list-style: none;
    z-index: 1050;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0.2s ease, opacity 0.25s ease;
}

/* 姣忎釜鑿滃崟椤 - 瀹藉害鑷€傚簲鍐呭锛屼繚鎸佸渾瑙掍笌闂磋窛 */
.lang-en .dropdown-menu li {
    width: auto;                 /* 鑷€傚簲鍐呭瀹藉害 */
    min-width: 120px;            /* 涓庡鍣ㄦ渶灏忓搴﹀崗璋 */
    height: 50px;
    margin-bottom: 4px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;         /* 寮哄埗鍗曡锛岄伩鍏嶆崲琛岀牬鍧忓竷灞€ */
}

/* 鑿滃崟閾炬帴 - 鍐呰竟璺濅繚璇佽垝閫傞棿璺 */
.lang-en .dropdown-menu li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: #ffffff;
    font-size: 20px;
    font-weight: 400;
    text-decoration: none;
    letter-spacing: 1px;
    padding: 0 20px;             /* 宸﹀彸鐣欑櫧锛岄伩鍏嶆枃瀛楄创杈 */
    white-space: nowrap;
    background: transparent;
    border-radius: 6px;
}

/* 绉婚櫎缁ф壙鐨勪笅鍒掔嚎浼厓绱 */
.lang-en .dropdown-menu li a::after {
    display: none !important;
    content: none;
}

/* 鎮仠楂樹寒鏁堟灉淇濇寔涓嶅彉 */
.lang-en .dropdown-menu li:hover {
    background: rgba(0, 0, 0, 0.65);
    transform: translateY(-1px);
}
.lang-en .dropdown-menu li:hover a {
    color: #EB6C00;
}

/* 鍝嶅簲寮忥細灞忓箷杈冪獎鏃惰繘涓€姝ュ帇缂╅棿璺濆拰瀛楀彿 */
@media (max-width: 1300px) {
    .lang-en .nav-links {
        gap: 20px;
    }
    .nav-links li a {
        font-size: 15px;
        padding: 8px 2px;
    }
}

@media (max-width: 1150px) {
    .lang-en .nav-links {
        gap: 15px;
    }
    .lang-en .nav-links li a {
        font-size: 14px;
        padding: 8px 2px;
    }
}

@media (max-width: 1000px) {
    .lang-en .nav-links {
        gap: 10px;
    }
    .nav-links li a {
        font-size: 13px;
    }
}

/* 鏋佺獎灞忓箷锛堝骞虫澘绔栧睆锛夊厑璁歌彍鍗曟崲琛岋紝閬垮厤闅愯棌 */
@media (max-width: 900px) {
    .lang-en .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
    .lang-en .nav-links li a {
        font-size: 14px;
        padding: 6px 8px;
    }
}