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

        body {
            font-family: 'Microsoft YaHei', sans-serif;
            background: #FFFFFF;
            line-height: 1.31982421875;
        }

        /* Header */
        .header {
            background: #FFFFFF;
            box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 60px;
        }
        
        .header-content {
            display: flex;
            align-items: center;
            padding: 10px 0;
            gap: 190px;
            width: 1360px;
            margin: 0 auto;
        }
        
        .logo {
            display: flex;
            align-items: center;
            width: 338px;
            height: 40px;
        }
        
        .logo img {
            width: 100%;
            height: 100%;
        }

        .nav-section {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex: 0 1 auto;
            gap: 101px;
        }

        .nav-menu {
            display: flex;
            align-items: stretch;
            gap: 93.67px;
            flex: 0 1 auto;
        }

        .nav-menu a {
            text-decoration: none;
            color: #000000;
            font-family: 'Microsoft YaHei', sans-serif;
            font-weight: 400;
            font-size: 16px;
            line-height: 1.32em;
            height: 22px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }

        .nav-menu a:hover {
            color: #269FCA;
        }

        .nav-menu a.active {
            color: #269FCA;
            font-weight: 700;
        }

        /* Language Switch */
        .lang-switch {
            position: relative;
            width: 64px;
            height: 24px;
            background: #D9D9D9;
            border-radius: 8px;
            display: flex;
            align-items: center;
        }

        .lang-switch-active {
            position: absolute;
            top: 0;
            left: 0;
            width: 32px;
            height: 24px;
            background: #1AA1E6;
            border-radius: 8px 0px 0px 8px;
            transition: all 0.3s ease;
        }

        .lang-zh, .lang-en {
            width: 32px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Microsoft YaHei', sans-serif;
            font-weight: 400;
            font-size: 14px;
            line-height: 1.32em;
            cursor: pointer;
            z-index: 1;
            transition: color 0.3s ease;
        }

        .lang-zh {
            color: #FFFFFF;
        }

        .lang-en {
            color: #595757;
        }

        /* Page Content Styles */
        .banner {
            width: 100%;
            height: 360px;
            position: relative;
            overflow: hidden;
        }

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

        .section {
            padding: 60px 0;
        }

        /* 减少“加入我们”和“联系我们”之间的间距 60px */
        .section.join {
            padding-top: 0;
        }

        .container {
            max-width: 1360px;
            margin: 0 auto;
            /* padding: 0 20px; */
        }

        .section-head {
            text-align: center;
            margin-bottom: 30px;
            position: relative;
        }

        .section-head .decor {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 0;
        }

        .section-head h2 {
            position: relative;
            z-index: 1;
            font-size: 32px;
            font-weight: 700;
            margin: 0;
            color: #000;
        }

        .section-head .title-bar {
            position: absolute;
            top: 55px;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 161.55px;
            height: 2px;
            background: #595757;
            z-index: 1;
        }

        .section-head .en {
            position: relative;
            z-index: 1;
            font-size: 25px;
            font-weight: 400;
            margin: 0;
            margin-top: 25px;
            color: #000;
        }

        /* Contact Content */
        .contact-content {
            display: flex;
            /* gap: 60px;
            align-items: flex-start; */
            justify-content: space-between;
        }

        .contact-content .left {
            width: 419px;
            height: 347px;
        }

        .contact-content .right {
            width: 933px;
            height: 347px;
        }

        .info-row {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
        }

        .icon-wrap {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #f5f5f5;
            border-radius: 8px;
        }

        .info-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 10px 0;
            color: #1e475c;
        }

        .info-card p {
            font-size: 16px;
            line-height: 1.6;
            color: #666;
            margin: 0;
        }

        .info-card a {
            color: #1aa1e6;
            text-decoration: none;
        }

        .info-card a:hover {
            text-decoration: underline;
        }

        .contact-illustration {
            width: 100%;
            height: 100%;
            border-radius: 0px;
        }

        /* Join Us Content */
        .join-content {
            display: flex;
            gap: 60px;
            align-items: center;
        }

        .join-image {
            flex: 1;
            max-width: 838px;
            height: 295px;
            border-radius: 0;
        }

        .join-text {
            height: 295px;
        }

        .join-text h3 {
            font-size: 24px;
            font-weight: 700;
            margin: 10px 0 30px 0;
            color: #1e475c;
        }

        .join-text p {
            font-size: 16px;
            line-height: 1.6;
            color: #666;
            margin: 0 0 40px 0;
        }

        .join-text a {
            color: #1aa1e6;
            text-decoration: none;
        }

        .join-text a:hover {
            text-decoration: underline;
        }

        /* Footer Styles */
        .site-footer {
            color: #fff;
            background: url('../images/bottom-background.png') center/cover no-repeat;
        }
        
        .site-footer .footer-top {
            /* background: rgba(0, 0, 0, 0.55); */
            padding: 24px 0 16px;
        }
        
        .site-footer h4 {
            margin: 0 0 8px;
            font-size: 18px;
            font-weight: 700;
        }
        
        .site-footer .tagline {
            margin: 0 0 14px;
            font-size: 16px;
            color: rgba(255,255,255,.95);
        }
        
        /* Left info + right two QR columns */
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 24px;
            align-items: start;
        }
        
        .site-footer .contact-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 15px;
            margin-top: 80px;
        }
        
        .site-footer .item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
        }
        
        .site-footer .icon {
            width: 30px;
            height: 30px;
            object-fit: contain;
        }
        
        .site-footer .qrs {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            justify-items: center;
        }
        
        .site-footer .qr img {
            width: 258px;
            height: 258px;
            object-fit: cover;
            background: #fff;
            padding: 10px;
            border-radius: 0px;
        }
        .container {
            max-width: 1360px;
            margin: 0 auto;
          
        }
        
        .site-footer .qr p {
            text-align: center;
            margin: 6px 0 0;
            color: #fff;
            font-size: 16px;
        }
        
        .footer-bottom {
            background: #00060d;
        }

        .footer-bottom .bottom-content {
            max-width: 1360px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            padding: 14px 16px;
            color: #fff;
            font-size: 16px;
        }

        .footer-bottom .divider {
            display: inline-block;
            width: 1px;
            height: 18px;
            background: #fff;
            opacity: 0.9;
        }

        .footer-bottom .icp {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-bottom .icp-icon {
            width: 20px;
            height: 20px;
            object-fit: contain;
        }

        /* Responsive Design */
        @media (max-width: 1200px) {
            .contact-content,
            .join-content {
                flex-direction: column;
                gap: 40px;
            }

            .join-image {
                max-width: 100%;
            }
        }

        @media (max-width: 768px) {
            .banner {
                height: 200px;
            }

            .section {
                padding: 40px 0;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .section-head .en {
                font-size: 20px;
            }

            .info-row {
                flex-direction: column;
                gap: 15px;
            }

            .icon-wrap {
                align-self: flex-start;
            }
        }

        /* Header Responsive Design */
        @media (max-width: 1200px) {
            .header-content {
                padding: 20px 40px;
                gap: 60px;
            }

            .nav-menu {
                gap: 40px;
            }

            .logo img {
                width: 300px;
                height: 30px;
            }
        }

        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                padding: 20px;
                gap: 20px;
            }

            .nav-section {
                flex-direction: column;
                gap: 20px;
                width: 100%;
            }

            .nav-menu {
                gap: 20px;
                justify-content: center;
                flex-wrap: wrap;
            }

            .nav-menu a {
                font-size: 14px;
            }

            .logo img {
                width: 250px;
                height: 25px;
            }

            .lang-switch {
                align-self: center;
            }
        }