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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            line-height: 1.6;
            color: #333;
            background: #ffffff;
        }

        /* 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;
        }

        /* Banner Section */
        .banner-section {
            width: 100%;
            height: 360px;
            overflow: hidden;
            position: relative;
        }

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

        /* Main Content */
        .main-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 40px 20px;
            background: #ffffff;
        }

        .product-section {
            margin-bottom: 40px;
            background: #ffffff;
            /* border-radius: 20px; */
            overflow: hidden;
        }

        .section-head {
            width: 1360px;
            margin-left: auto;
            margin-right: auto;
            height: 98px;
            display: grid;
            grid-template-rows: 42px 31px 33px;
            align-content: start;
            position: relative;
            margin-bottom: 30px;
        }

        .section-head .decor {
            grid-row: 2;
            width: 100%;
            height: 31px;
            object-fit: cover;
            position: relative;
            z-index: 0;
        }

        .section-head h2 {
            grid-row: 1;
            margin: 0;
            font-size: 32px;
            font-weight: 700;
            z-index: 2;
            text-align: center;
            color: #000;
            line-height: 1;
        }

        .section-head .en {
            grid-row: 3;
            margin: 0;
            font-size: 25px;
            font-weight: 400;
            z-index: 2;
            align-self: start;
            /* padding-top: 6px; */
            text-align: center;
            color: #000;
            line-height: 1;
        }

        .title-bar {
            grid-row: 2;
            align-self: center;
            height: 2px;
            background: #595757;
            width: 161.55px;
            justify-self: center;
            position: absolute;
            z-index: 1;
            top: 12px;
        }

        /* Product Content */
        .product-content {
            padding: 0;
        }

        .product-diagram-container {
            position: relative;
            background: #fff;
        }

        .diagram-image-wrapper {
            position: relative;
            width: 100%;
            max-width: 1360px;
            margin: 0 auto;
        }

        .full-diagram-image {
            width: 100%;
            height: auto;
            display: block;
            /* border-radius: 20px 20px 0 0; */
        }

        /* Interactive Hotspots */
        .interactive-hotspots {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
        }

        .hotspot {
            position: absolute;
            background: rgba(26, 161, 230, 0.1);
            border: 2px solid rgba(26, 161, 230, 0.3);
            border-radius: 8px;
            cursor: pointer;
            pointer-events: auto;
            transition: all 0.3s ease;
            opacity: 0;
        }

        .hotspot:hover {
            background: rgba(26, 161, 230, 0.2);
            border-color: rgba(26, 161, 230, 0.6);
            opacity: 1;
            transform: scale(1.02);
        }

        .hotspot::after {
            content: attr(title);
            position: absolute;
            bottom: 100%;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 8px 12px;
            border-radius: 4px;
            font-size: 12px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
            z-index: 10;
        }

        .hotspot:hover::after {
            opacity: 1;
        }

        /* Diagram Description */
        .diagram-description {
            padding: 40px;
            background: #f8f9fa;
        }

        .description-content h3 {
            font-size: 28px;
            color: #1e475c;
            margin-bottom: 20px;
            text-align: center;
        }

        .description-content > p {
            font-size: 16px;
            color: #666;
            line-height: 1.8;
            text-align: center;
            margin-bottom: 40px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Key Features */
        .key-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 30px;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 30px rgba(0,0,0,0.15);
        }

        .feature-icon {
            font-size: 48px;
            line-height: 1;
            flex-shrink: 0;
        }

        .feature-content h4 {
            font-size: 20px;
            color: #1e475c;
            margin-bottom: 12px;
        }

        .feature-content p {
            color: #666;
            line-height: 1.6;
        }

        /* Partnership Info */
        .partnership-info {
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }

        .partnership-info h4 {
            font-size: 24px;
            color: #1e475c;
            margin-bottom: 20px;
            text-align: center;
        }

        .partners {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .partner-category {
            padding: 15px;
            background: #f8f9fa;
            border-radius: 8px;
            border-left: 4px solid #1aa1e6;
        }

        .partner-category strong {
            color: #1e475c;
            display: inline-block;
            min-width: 120px;
        }

        .partner-category span {
            color: #666;
        }


        .pd-solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            margin: 20px 0;

            .pd-solution-item {
                display: flex;
                flex-direction: column;
                align-items: center;
                text-align: center;
                cursor: pointer;
                transition: transform 0.3s ease;
                border: 1px solid #0097F2;
                /* width: 350px; */
                height: 205px;
                justify-content: center;
                position: relative;
            }
            .pd-solution-icon {
                display: flex;
                align-items: center;
                justify-content: center;
                margin-bottom: 16px;
                img {
                    object-fit: contain;
                }
            }

            .pd-solution-label {
                font-size: 14px;
                color: #323232;
                position: absolute;
                bottom: 25px;
            }

        }
        


        /* 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) {
            .banner-section {
                height: 200px;
            }

            .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;
            }
        }

        @media (max-width: 1400px) {
            .section-head {
                width: 90%;
                max-width: 1360px;
            }
        }

        @media (max-width: 768px) {
            .section-head {
                width: 95%;
                height: auto;
                grid-template-rows: auto auto auto;
                gap: 10px;
                padding: 20px 0;
            }

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

            .section-head .en {
                font-size: 20px;
                padding-top: 0;
            }

            .title-bar {
                position: static;
                width: 120px;
                top: auto;
            }

            .key-features {
                grid-template-columns: 1fr;
            }

            .feature-item {
                flex-direction: column;
                text-align: center;
            }

            .partners {
                gap: 10px;
            }

            .partner-category {
                padding: 12px;
            }

            .partner-category strong {
                display: block;
                margin-bottom: 5px;
                min-width: auto;
            }

            .full-diagram-image {
                border-radius: 12px 12px 0 0;
            }

            .hotspot {
                display: none;
            }
        }

        /* Footer Styles - Following Figma layout with preserved colors */
        .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: 75px;
        }
        
        .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;
        }

        .product-1 {
            font-size: 16px;
            line-height: 1.8;
        }

        /* Footer Responsive Design */
        @media (max-width: 1920px) {
            .site-footer .info {
                left: 14.5%;
            }

            .site-footer .tagline {
                width: 60.8%;
            }

            .site-footer .qrs {
                right: 14.5%;
            }

            .site-footer::before {
                left: 14.5%;
                width: 71%;
            }

            .footer-bottom .copyright {
                left: 25.5%;
            }

            .footer-bottom .divider {
                left: 57.5%;
            }

            .footer-bottom .icp {
                left: 58.8%;
            }
        }

        @media (max-width: 1400px) {
            .site-footer .container {
                max-width: 1400px;
                padding: 0 40px;
            }

            .site-footer .info {
                left: 40px;
            }

            .site-footer .qrs {
                right: 40px;
            }

            .site-footer::before {
                left: 40px;
                right: 40px;
                width: auto;
            }

            .footer-bottom .copyright {
                left: 25%;
            }

            .footer-bottom .divider {
                left: 50%;
            }

            .footer-bottom .icp {
                left: 52%;
            }
        }

        @media (max-width: 768px) {
            .site-footer {
                height: auto;
                min-height: 600px;
            }

            .site-footer .footer-top {
                height: auto;
                padding: 40px 20px;
            }

            .site-footer .info {
                position: static;
                width: 100%;
                text-align: center;
                margin-bottom: 30px;
            }

            .site-footer h4 {
                position: static;
                width: 100%;
                font-size: 18px;
                margin-bottom: 10px;
            }

            .site-footer .tagline {
                position: static;
                width: 100%;
                font-size: 16px;
                margin-bottom: 20px;
            }

            .site-footer .contact-list {
                position: static;
                width: 100%;
                display: flex;
                flex-direction: column;
                gap: 15px;
                margin-bottom: 30px;
            }

            .site-footer .item {
                position: static;
                justify-content: center;
                font-size: 16px;
                white-space: normal;
                text-align: center;
            }

            .site-footer .qrs {
                position: static;
                justify-content: center;
                gap: 40px;
                margin-bottom: 30px;
            }

            .site-footer .qr img {
                width: 120px;
                height: 120px;
            }

            .site-footer .qr p {
                position: static;
                transform: none;
                width: auto;
                font-size: 14px;
                margin-top: 10px;
            }

            .site-footer::before {
                position: static;
                width: 100%;
                margin: 20px 0;
            }

            .footer-bottom {
                position: static;
                height: auto;
                padding: 20px;
            }

            .footer-bottom .bottom-content {
                flex-direction: column;
                gap: 10px;
            }

            .footer-bottom .copyright,
            .footer-bottom .icp {
                position: static;
                transform: none;
                font-size: 14px;
                justify-content: center;
            }

            .footer-bottom .divider {
                position: static;
                transform: none;
                width: 80%;
                height: 1px;
                background: #FFF;
                margin: 5px 0;
            }
        }
    


.custom-content {
    margin-top: 20px;
}

.custom-main {
    width: 100%;
    height: 100%;
    background: url(../images/custome-bg.png) no-repeat;
    background-size: 100% 100%;
}

.custom-services {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin: 0 35px;
    position: relative;
}

.custom-form-section {
    width: 595px;
}

.form-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 30px;
    margin: 30px 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

#custom-title {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url(../images/dow.png);
    background-repeat: no-repeat;
    background-position: right 0px center;
    background-size: 16px 8px;
    padding-right: 28px;
}


.form-block {
    background: rgba(255, 255, 255, 0.34);
    /* border: 1px solid rgba(26, 161, 230, 0.2); */
    border-radius: 5px;
    padding: 15px 20px;
    margin-bottom: 15px;
    color: #535353;

    .form-group {
        margin-bottom: 16px;
        display: flex;
    }

    .form-label {
        margin: 0;
        width: 105px;
        border-bottom: 1px solid #979797;
        line-height: 32px; 
    }
}

.custom-content .form-select {
  border: none;
  border-bottom: 1px solid #979797;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url('../images/dow.png');
  background-repeat: no-repeat;
  background-position: right center;
  padding-right: 20px;
}

.custom-content .form-select,
.custom-content .form-input {
background: none;   
  color: #535353;
}

.submit-btn {
  width: 100%;
  padding: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: #1AA1E6;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
}

.submit-btn:hover {
  background: #1585c4;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(26, 161, 230, 0.4);
}

.form-note {
  font-size: 16px;
  color: #323232;
  margin: 15px;
  line-height: 1.6;
  text-align: center;
}

.custom-form-line {
    background-color: #076FB3;
    width: 1px;
    height: 600px;
    position: absolute;
    left: 645px;
    top: 88px;
}

.custom-image-section {
  
  width: 595px;
}



.image-title {
  font-size: 16px;
  font-weight: 600;
  color: #535353;
  margin-bottom: 20px;
  text-align: center;
  margin: 30px 0;
}

.image-wrapper {
  width: 100%;
  min-height: 530px; 
  background: #fff;
  border-radius: 5px;
  /* padding: 90px 20px; */
  margin-bottom: 15px;

}

.image-note {
  font-size: 16px;
  color: #323232;
  line-height: 1.6;
  text-align: center;
  margin-bottom: 20px;
}

.custom-simulation-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}

.form-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 30px;
  margin:30px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  img {
    margin-left: 10px;
  }
  select {
    font-size: 16px;
    background-color: #84cfe5;
    border: none;
    color: #535353;
    font-weight: 700;
  }
}

.form-select,
.form-input {
  width: 100%;
  padding: 5px 10px;
  font-size: 16px;
  color: #ffffff;
  border: none;
  border-radius: 0px;
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
  border-bottom: 1px solid #979797;
}

.label-required {
    color: #F31947;
}