/* fonts */
@font-face {
	font-family:Montserrat-Regular;
	src: url('../fonts/Montserrat-Regular.otf'); }
	
@font-face {
	font-family:Montserrat-Light;
	src: url('../fonts/Montserrat-Light.woff'); }	

@font-face {
	font-family:Montserrat-Bold;
	src: url('../fonts/Montserrat-Bold.otf'); }

@font-face {
	font-family:Barlow-Regular;
	src: url('../fonts/Barlow-Regular.woff2'); }


@font-face {
	font-family:Montserrat-Light;
	src: url('../fonts/Montserrat-Light.woff'); }

@font-face {
	font-family:Montserrat-SemiBold;
	src: url('../fonts/Montserrat-SemiBold.woff'); }

@font-face {
	font-family:Montserrat-SemiBold;
	src: url('../fonts/Montserrat-SemiBold.woff'); }


@font-face {
	font-family:OterraHand;
	src: url('../fonts/OterraHand-Regular.4f9348bd.woff2'); }

body{font-family:Barlow-Regular; letter-spacing: 0; }






        /* ========== 核心：全局REM适配函数定义 ========== */
        :root {
            --wjh-font-xs: clamp(0.75rem, 0.65rem + 0.4vw, 0.875rem);    /* 12px-14px */
            --wjh-font-sm: clamp(0.875rem, 0.75rem + 0.6vw, 1rem);      /* 14px-16px */
				--wjh-font-base-a: clamp(0.89rem, 0.9rem + 0.5vw, 1.15rem);     /* 16px-18px */
            --wjh-font-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);     /* 16px-18px */
		
            --wjh-font-md: clamp(1.125rem, 1rem + 0.8vw, 1.5rem);       /* 18px-24px */
            --wjh-font-lg: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);      /* 24px-36px */
            --wjh-font-xl: clamp(2.25rem, 1.8rem + 2.2vw, 3.5rem);      /* 36px-56px */
            --wjh-font-2xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);          /* 40px-64px */
            
            --wjh-color-primary: #21499b;
            --wjh-color-white: #ffffff;
            --wjh-color-dark: #111827;
            --wjh-color-gray: #6b7280;
            --wjh-color-light-gray: #d1d5db;
            --wjh-color-nav-bg: rgba(0, 40, 60, 0.85);
            --wjh-color-overlay: rgba(0, 30, 50, 0.2);
            --wjh-icon-color: inherit;
        }

        /* 2. 全局重置 + 基础样式 (REM单位) */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            
        }
        wjh_container_z {
            overflow-x: hidden;
            color: var(--wjh-color-white);
            background-color: var(--wjh-color-dark);
            font-size: var(--wjh-font-base);
            line-height: 1.6;
        }
        /* 强制图标显示 */
        i.fa, i.fas, i.far {
           
            font-weight: 900 !important;
            color: var(--wjh-icon-color);
            display: inline-block !important;
        }
        .wjh_container {
            width: 100%;
            max-width: 1350px;
            margin: 0 auto;
            padding: 0 clamp(0.9375rem, 0.5rem + 2vw, 1.875rem);
        }
        .wjh_clearfix::after {
            content: "";
            display: table;
            clear: both;
        }
        .wjh_text_primary {
            color: var(--wjh-color-primary);
            --wjh-icon-color: var(--wjh-color-primary);
        }
        .wjh_bg_primary {
            background-color: var(--wjh-color-primary);
        }
        .wjh_text_gradient {
            background: linear-gradient(to right, #fff, #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-fill-color: transparent; /*font-family: OterraHand;*/
			
			font-family: Montserrat-Bold; text-transform: capitalize;
			
			
        }

        /* ========== 导航栏样式 (全响应式 + REM单位) ========== */
        .wjh_nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background-color: transparent;
           /* backdrop-filter: blur(8px);*/
            padding: clamp(0.75rem, 0.5rem + 0.8vw, 1rem) 0;
            transition: all 0.4s ease-in-out;
        }
        .wjh_nav.wjh_scrolled {
            background-color: var(--wjh-color-white);
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }
        .wjh_nav.wjh_scrolled .wjh_nav_logo,
        .wjh_nav.wjh_scrolled .wjh_nav_link,
        .wjh_nav.wjh_scrolled .wjh_nav_contact,
        .wjh_nav.wjh_scrolled .wjh_mobile_menu_item,
        .wjh_nav.wjh_scrolled .wjh_mobile_dropdown_item {
            color: var(--wjh-color-dark);
            --wjh-icon-color: var(--wjh-color-dark);
        }
        .wjh_nav.wjh_scrolled .wjh_dropdown_menu,
        .wjh_nav.wjh_scrolled .wjh_mobile_menu {
            background-color: var(--wjh-color-white);
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        }
        .wjh_nav.wjh_scrolled .wjh_dropdown_item:hover,
        .wjh_nav.wjh_scrolled .wjh_mobile_dropdown_item:hover {
            color: var(--wjh-color-primary);
            --wjh-icon-color: var(--wjh-color-primary);
            background-color: rgba(0, 209, 178, 0.1);
        }

        .wjh_nav_logo {
            float: left;
           
            font-size: var(--wjh-font-md);
            font-weight: bold;
            transition: color 0.3s ease; width: 19%;
        }
.wjh_nav_logo img { width: 100%; height: auto;}
.wjh_nav_logo img {filter: invert(100%) grayscale(100%) brightness(10);}
.wjh_scrolled .wjh_nav_logo img {filter: none;}

        .wjh_nav_logo i {
            color: var(--wjh-color-primary);
            margin-right: clamp(0.5rem, 0.4rem + 0.3vw, 0.75rem);
        }
        .wjh_nav_right {
            float: right; display: flex; align-items: center; 
        }
        .wjh_nav_desktop {
            display: none;
            float: left;
            /*margin-right: clamp(1rem, 0.5rem + 1.5vw, 1.875rem);*/
        }
        .wjh_nav_link {
            position: relative;
            display: inline-block;
            color: var(--wjh-color-white);
            padding: clamp(0.625rem, 0.5rem + 0.5vw, 0.775rem) clamp(0.9375rem, 0.7rem + 0.8vw, 1.15rem);
            font-size: 18px;
            text-decoration: none;
            cursor: pointer;letter-spacing: 0px;
            transition: color 0.3s ease;
        }
        .wjh_nav_link:hover {
            color: var(--wjh-color-primary);
            --wjh-icon-color: var(--wjh-color-primary);
        }
        .wjh_dropdown {
            position: relative;
            display: inline-block;
        }
        .wjh_dropdown_menu {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: clamp(10rem, 8rem + 5vw, 12rem);
            background-color: rgba(33, 73, 155, 0.95);
            padding: clamp(0.625rem, 0.5rem + 0.5vw, 0.875rem) 0;
            border-radius: 0 0 clamp(0.5rem, 0.4rem + 0.3vw, 0.75rem) clamp(0.5rem, 0.4rem + 0.3vw, 0.75rem);
            box-shadow: 0 8px 16px rgba(0,0,0,0.2);
            opacity: 0;
            visibility: hidden;
            transform: translateY(clamp(0.625rem, 0.5rem + 0.4vw, 0.75rem));
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .wjh_dropdown:hover .wjh_dropdown_menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .wjh_dropdown_item {
            display: block;
            color: #fff;
            padding: clamp(0.5rem, 0.4rem + 0.3vw, 0.75rem) clamp(1.25rem, 1rem + 0.8vw, 1.5rem);
            font-size: var(--wjh-font-xs);
            text-decoration: none;
            transition: all 0.3s ease;
        }
.wjh_scrolled .wjh_dropdown_item{color: #212121;}
        .wjh_dropdown_item:hover {
            background-color: rgba(10, 40, 101, 0.2);
            color: #fff;
            --wjh-icon-color: var(--wjh-color-primary); font-weight: 700;
        }
        .wjh_nav_contact {
            float: left;
            line-height: clamp(2.5rem, 2rem + 1.5vw, 3rem);
            font-size: var(--wjh-font-xs);
            margin-right: clamp(1rem, 0.5rem + 1vw, 1.25rem);
            display: none;
            transition: color 0.3s ease;
        }
        .wjh_nav_contact i {
            color: var(--wjh-color-primary);
            margin-right: clamp(0.3125rem, 0.2rem + 0.3vw, 0.5rem);
        }
        .wjh_btn {
            display: inline-block;
            padding: clamp(0.5rem, 0.4rem + 0.3vw, 0.75rem) clamp(1.25rem, 1rem + 0.8vw, 1.5rem);
            border-radius: 999px;
            font-size: var(--wjh-font-xs);
            font-weight: 500;
            text-decoration: none;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all 0.3s ease;
        }
        .wjh_btn_primary {
            background-color: var(--wjh-color-primary);
            color: var(--wjh-color-white); 
        }
        .wjh_btn_primary:hover {
            background-color: #00b89c;
            transform: scale(1.05);
        }
        .wjh_mobile_menu_btn {
            float: right;
            background: none;
            border: none;
            color: var(--wjh-color-white);
            font-size: var(--wjh-font-lg);
            cursor: pointer;
            line-height: clamp(2.5rem, 2rem + 1.5vw, 3rem);
            transition: color 0.3s ease;
        }
        .wjh_nav.wjh_scrolled .wjh_mobile_menu_btn {
            color: var(--wjh-color-dark);
            --wjh-icon-color: var(--wjh-color-dark);
        }
        .wjh_mobile_menu {
            display: none;
            clear: both;
            padding: clamp(1.25rem, 1rem + 0.8vw, 1.5rem) 0;
            background-color: rgba(0, 40, 60, 0.95);
            transition: all 0.3s ease;
        }
        .wjh_mobile_menu_item {
            display: block;
            color: var(--wjh-color-white);
            padding: clamp(0.625rem, 0.5rem + 0.4vw, 0.875rem) 0;
            font-size: var(--wjh-font-base);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .wjh_mobile_dropdown_btn {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }
        .wjh_mobile_dropdown_menu {
            display: none;
            padding-left: clamp(1.25rem, 1rem + 0.8vw, 1.5rem);
            margin: clamp(0.3125rem, 0.2rem + 0.3vw, 0.5rem) 0 clamp(0.9375rem, 0.7rem + 0.8vw, 1.25rem);
        }
        .wjh_mobile_dropdown_item {
            display: block;
            color: var(--wjh-color-white);
            padding: clamp(0.5rem, 0.4rem + 0.3vw, 0.75rem) 0;
            font-size: var(--wjh-font-sm);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .wjh_mobile_dropdown_item:hover {
            color: var(--wjh-color-primary);
            --wjh-icon-color: var(--wjh-color-primary);
        }

        /* ========== Banner样式 (全响应式 + REM单位) ========== */
        .wjh_banner {
            position: relative;
            height: 100vh;
            min-height: clamp(37.5rem, 30rem + 20vw, 60rem);
            overflow: hidden;
        }
        .wjh_banner_bg_container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }
        .wjh_banner_item {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0;
            transition: opacity 0.8s ease-in-out;
        }
        .wjh_banner_item.wjh_active {
            opacity: 1;
        }
        .wjh_banner_overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: var(--wjh-color-overlay);
        }
        .wjh_banner_content {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            padding: 0 clamp(0.9375rem, 0.5rem + 2vw, 1.875rem);
            z-index: 10;
        }
        .wjh_banner_text_container {
            max-width: clamp(100rem, 30rem + 10vw, 100rem);
            position: relative;
            height: clamp(17.5rem, 15rem + 5vw, 20rem);
            overflow: ;
        }
        .wjh_banner_text {
            position: absolute;
            top: 0;
            left: 0;
            width: 60%;
            transform: translateX(100%);
            opacity: 0;
            transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94); color: #fff;
        }
        .wjh_banner_text.wjh_active {
            transform: translateX(0);
            opacity: 1;


        }
        .wjh_banner_text:not(.wjh_active) {
            transform: translateX(-100%);
            opacity: 0;
        }
        .wjh_banner_subtitle {
            font-size: var(--wjh-font-xs);
            color: var(--wjh-color-light-gray);
            margin-bottom: 15px;  display: none;
        }
.wjh_banner_subtitle i { margin-right: 10px; font-size: 30px; color: #44ca83;}
        .wjh_banner_title {
            font-size: 50px;
            font-weight: bold;
            line-height: 1.2;
            margin-bottom:30px; 
			font-family: Montserrat-Light; text-transform: capitalize;
        }
.wjh_banner_text p { margin: 0px 0px 50px; display: none;}
        .wjh_banner_btns {
            display: flex;
            flex-wrap: wrap;
            gap: clamp(0.9375rem, 0.7rem + 0.8vw, 1.25rem);
        }
        .wjh_btn_outline {
            background-color: transparent;
            color: var(--wjh-color-white);
            border: 2px solid var(--wjh-color-primary); display: none;
        }
        .wjh_btn_outline:hover {
            background-color: rgba(0, 209, 178, 0.2);
            transform: scale(1.05);
        }

        /* ========== 底部切换项 (全响应式 + REM单位) ========== */
        .wjh_feature_bar {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: none; border-top: 1px solid rgba(255,255,255,.1);
            padding:0 0 clamp(1.25rem, 1rem + 0.8vw, 1.5rem);
            z-index: 20;
        }
        .wjh_feature_grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: clamp(0.9375rem, 0.7rem + 0.8vw, 1.25rem);
        }
        .wjh_feature_item {
            text-align: center;
            padding: 40px 50px 40px 0px;
            cursor: pointer;
            transition: all 0.3s ease; text-align: left; display: flex;
			
        }
        .wjh_feature_item.wjh_active {
            color: var(--wjh-color-primary);
            --wjh-icon-color: var(--wjh-color-primary);
            transform: scale(1.05); border-top: 2px solid #21499b; margin-top: 2px;
        }
        .wjh_feature_icon {
            font-size: var(--wjh-font-md);
            margin-bottom: clamp(0.625rem, 0.5rem + 0.4vw, 0.875rem);
        }
        .wjh_feature_text {
            font-size: var(--wjh-font-xs);
            color: var(--wjh-color-light-gray);
            line-height: 1.4; letter-spacing: 0px; margin-left: 15px;
        }

        /* ========== Company Profile板块 (全响应式 + REM单位) ========== */
        .wjh_company_profile {
            padding: clamp(6.25rem, 5rem + 5vw, 8rem) 0;
            background-color: var(--wjh-color-white);
            color: var(--wjh-color-dark);
            --wjh-icon-color: var(--wjh-color-primary);
        }
        .wjh_section_title {
            text-align: center;
            margin-bottom: clamp(3.75rem, 3rem + 2vw, 5rem);
        }
        .wjh_section_subtitle {
            font-size: var(--wjh-font-xs);
            color: var(--wjh-color-primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: clamp(0.9375rem, 0.7rem + 0.8vw, 1.25rem);
        }
        .wjh_section_main_title {
            font-size: var(--wjh-font-lg);
            font-weight: bold;
            line-height: 1.3;
            margin-bottom: clamp(1.25rem, 1rem + 0.8vw, 1.5rem);
        }
        .wjh_section_desc {
            max-width: clamp(43.75rem, 35rem + 5vw, 50rem);
            margin: 0 auto;
            font-size: var(--wjh-font-base);
            color: var(--wjh-color-gray);
            line-height: 1.6;
        }
        .wjh_profile_grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: clamp(1.875rem, 1.5rem + 1.2vw, 2.5rem);
            margin-top: clamp(3.125rem, 2.5rem + 1.5vw, 4rem);
        }
        .wjh_profile_img {
            width: 100%;
            border-radius: clamp(0.625rem, 0.5rem + 0.4vw, 0.875rem);
            overflow: hidden;
            box-shadow: 0 clamp(0.625rem, 0.5rem + 0.8vw, 1.25rem) clamp(1.875rem, 1.5rem + 1.2vw, 2.5rem) rgba(0,0,0,0.1);
        }
        .wjh_profile_img img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .wjh_profile_img:hover img {
            transform: scale(1.05);
        }
        .wjh_profile_content {
            padding: 0 clamp(0.9375rem, 0.5rem + 2vw, 1.875rem);
        }
        .wjh_profile_title {
            font-size: var(--wjh-font-md);
            font-weight: bold;
            margin-bottom: clamp(1.5625rem, 1.2rem + 1vw, 2rem);
            color: var(--wjh-color-dark);
        }
        .wjh_profile_list {
            list-style: none;
            margin-bottom: clamp(1.875rem, 1.5rem + 1.2vw, 2.5rem);
        }
        .wjh_profile_list li {
            display: flex;
            align-items: flex-start;
            margin-bottom: clamp(1.25rem, 1rem + 0.8vw, 1.5rem);
            font-size: var(--wjh-font-base);
            line-height: 1.6;
            color: #4b5563;
        }
        .wjh_profile_list li i {
            color: var(--wjh-color-primary);
            font-size: var(--wjh-font-md);
            margin-right: clamp(0.9375rem, 0.7rem + 0.8vw, 1.25rem);
            margin-top: clamp(0.1875rem, 0.1rem + 0.2vw, 0.3125rem);
        }
        .wjh_profile_stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: clamp(1.25rem, 1rem + 0.8vw, 1.5rem);
            margin-top: clamp(2.5rem, 2rem + 1.5vw, 3rem);
        }
        .wjh_profile_stat_item {
            text-align: center;
            padding: clamp(1.25rem, 1rem + 0.8vw, 1.5rem) clamp(0.625rem, 0.5rem + 0.4vw, 0.875rem);
            background-color: #f9fafb;
            border-radius: clamp(0.5rem, 0.4rem + 0.3vw, 0.75rem);
        }
        .wjh_profile_stat_number {
            font-size: var(--wjh-font-lg);
            font-weight: bold;
            color: var(--wjh-color-primary);
            margin-bottom: clamp(0.3125rem, 0.2rem + 0.3vw, 0.5rem);
        }
        .wjh_profile_stat_text {
            font-size: var(--wjh-font-xs);
            color: var(--wjh-color-gray);
            text-transform: uppercase;
        }

        /* ========== 响应式断点适配 (覆盖全分辨率) ========== */
        @media (min-width: 36rem) {
            .wjh_feature_grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 48rem) {
            .wjh_profile_grid {
                grid-template-columns: repeat(2, 1fr);
                align-items: center;
            }
        }
        @media (min-width: 62rem) {
            .wjh_nav_desktop {
                display: block;
            }
            .wjh_nav_contact {
                display: block;
            }
            .wjh_mobile_menu_btn {
                display: none;
            }
            .wjh_mobile_menu {
                display: none !important;
            }
            .wjh_feature_grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        @media (min-width: 75rem) {
            .wjh_container {
                padding: 0 clamp(1.25rem, 1rem + 0.8vw, 1.875rem);
            }
			
		
			
        }
        @media (max-width: 20rem) {
            .wjh_banner_title {
                font-size: var(--wjh-font-lg); 
            }
            .wjh_banner_btns {
                flex-direction: column;
            }
        }





.wjh_icon_dh { width: 25px; height: 25px; }
.wjh_icon_zx { width: 15px; height: 15px; margin-top: 0px; margin-left: 3px; }
.wjh_icon_zx path { fill:#fff; }
.wjh_yuyanz{  display: flex; line-height: 35px; margin-top: 5px;
}
.wjh_yuyan {  display: inline-block; padding-top: 5px; margin-right: 5px;}
.wjh_scrolled .wjh_yuyan img {filter: invert(100%) grayscale(100%) brightness(10);}



.wjh_nav .wjh_container{ padding: 0px;}
.wjh_nav .wjh_container{ padding: 0px; max-width: 1400px;}
.wjh_btn_z { display: inline-block; }

.wjh_icon_batb  { width: 30px; height: 30px; }
.wjh_icon_batb path { fill:#fff; }

.wjh_feature_item.wjh_active .wjh_icon_batb path { fill:#21499b; }
.wjh_feature_item.wjh_active .wjh_feature_text {  color: #21499b; font-weight: 700; }





 @media only screen  and (max-width:2400px){}
 @media only screen  and (max-width:1024px){ }
@media (min-width: 1680px) and (max-width: 1920px){ 

.wjh_nav .wjh_container{ padding: 0px; max-width: 1600px;}	



}