:root {
    --primary: #2070c4; /* 更新为新的蓝色 */
    --accent: #31da4b;
    --border: #eee;
}
*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--bg)}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* Loader */
.loader{
    position:fixed;
    inset:0;
    background:white; /* 白色遮罩，完全不透明 */
    display:flex;
    align-items:center;
    justify-content:center;
    z-index:1000;
    transition:opacity .3s ease;
}
.loader.hidden{
    opacity:0;
    pointer-events:none;
}
.loader-content{
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:14px;
}
.loader-logo{
    width:300px; /* Logo放大 */
    height:auto;
}
.loader-progress-bar{
    width:200px;
    height:6px;
    background:#eee;
    border-radius:999px;
    overflow:hidden;
    margin-top:20px;
}
.loader-fill{
    width:0;
    height:100%;
    background:#31da4b; /* 进度条绿色 */
    transition:width .2s linear;
}
.loader-close,.loader-skip{background:none;border:none;color:var(--primary);cursor:pointer}
.loader-skip{text-decoration:none}

/* Topbar */
.topbar {
    background: var(--primary); /* 顶部栏蓝色背景 */
    border-bottom: 1px solid var(--border);
    min-height: 50px; /* 增加高度 */
    display: flex;
    align-items: center;
    font-size: 14px;
    padding: 0 20px; /* 添加左右内边距 */
}
.topbar-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    width: 100%; /* 占据父元素全部宽度 */
}
.topbar-left a{
    color:white; /* 联系邮箱白色文字 */
    text-decoration:none;
}
.topbar-right a{
    display:inline-flex;
    align-items:center;
    justify-content:center; /* 居中SVG图标 */
    width:30px; /* 白色正方形背景宽度 */
    height:30px; /* 白色正方形背景高度 */
    background-color:white; /* 白色正方形背景 */
    border-radius:4px; /* 轻微圆角，可选 */
    margin-left:10px;
}
.topbar-right svg, .topbar-right img {
    width:18px;
    height:18px;
    /* fill:black; SVG图标颜色由SVG文件本身或fill属性控制 */
}

/* Header */
.site-header{position:sticky;top:0;z-index:900;background:#fff;border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:80px}
.brand img{height:80px}
.nav-toggle{display:none;background:none;border:none;width:36px;height:36px;position:relative}
.nav-toggle span{position:absolute;left:6px;right:6px;height:2px;background:#333;transition:transform .2s}
.nav-toggle span:nth-child(1){top:10px}.nav-toggle span:nth-child(2){top:17px}.nav-toggle span:nth-child(3){top:24px}

.main-nav{flex:1;display:flex;justify-content:center}
.main-nav ul{display:flex;align-items:center;justify-content:center;gap:30px;list-style:none;margin:0;padding:0}
.main-nav a{color:#333;text-decoration:none}
.main-nav a.active,.main-nav a:hover{color:var(--primary)}
.main-nav .btn{padding:10px 16px;border-radius:6px;font-weight:600}
.cta{margin-left:auto}
.cta .btn:not(.btn-text){padding:10px 0;font-weight:600}
.btn{display:inline-block;text-decoration:none}
.btn-primary{background:transparent;color:#2070c4;border:none;font-weight:600;}
.btn-secondary{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-text{background:none;color:#2070c4;border:none;font-weight:600;padding:0;}

.lang{position:relative}
.lang-current{background:#fff;border:1px solid var(--border);border-radius:6px;padding:6px 10px;cursor:pointer}
.lang-menu{position:absolute;top:110%;right:0;background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.08);padding:6px;display:none}
.lang-menu button{background:none;border:none;padding:8px 12px;width:100%;text-align:left;cursor:pointer}
.lang.open .lang-menu{display:block}

/* Sections */
.section{padding:50px 0}
/* 保留这个样式用于其他 .section.alt 元素 */
.section.alt{
    background:#fd5353;
    padding: 80px 0;
    color: white;
}

/* Network Benefit Section */
.network-benefit-section {
    background: #31da4b; /* 绿色背景 */
    color: white;
    padding: 50px 0; /* 添加上下留白 */
    position: relative;
}

.benefit-container {
    display: flex;
    width: 90%;
    max-width: 1300px;
    margin: 0 auto;
    height: 500px; /* 固定高度，与上一部分一致 */
}

.benefit-content {
    width: 50%;
    padding: 100px 120px; /* 与上一部分一致 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: white; /* 白色背景 */
}

.benefit-image {
    width: 50%;
    background: url('../images/backgrounds/1968-scaled.jpg') no-repeat center center;
    background-size: cover;
}

.benefit-title-primary {
    color: #31da4b; /* 绿色 */
    font-size: 54px;
    font-weight: bold;
    margin-bottom: 0;
    text-transform: uppercase;
    line-height: 1.1;
}

.benefit-title-secondary {
    color: #2070c4; /* 蓝色，与第二部分一致 */
    font-size: 54px;
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 30px;
    text-transform: uppercase;
    line-height: 1.1;
}

.benefit-text {
    color: #444;
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 10px; /* 减少底部边距 */
    max-width: 600px;
}

.benefit-actions {
    margin-top: 30px;
    text-align: left; /* 确保文字左对齐 */
}

.market-actions {
    margin-top: 30px;
    text-align: left; /* 确保文字左对齐 */
}

.benefit-btn {
    background: transparent; /* 透明背景 */
    color: #31da4b; /* 绿色文字 */
    border: none; /* 无边框 */
    padding: 12px 0; /* 去掉左右内边距 */
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.benefit-btn:hover {
    color: #28b53f; /* 深绿色 */
}
.center{text-align:center}
.eyebrow{letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
.lead{color:#444;max-width:920px}
.actions{margin-top:18px}

/* Hero */
.hero {
    background: url('../images/backgrounds/pikaso_enhance__none_4K_Standard_r_c_-1-scaled.jpeg') no-repeat center center;
    background-size: cover;
    min-height: 80vh; /* 恢复原有高度 */
    display: flex;
    align-items: center;
    color: white;
    text-align: center;
}
.hero h1{font-size:44px;margin:8px 0 14px}
.hero .lead{font-size:18px}

/* 红色填充区域 */
.red-spacer {
    background: #fd5353;
    height: 50px; /* 调整高度以控制下移距离 */
    width: 100%;
}

/* Market Entry Section */
.market-entry-section {
    background: #fd5353;
    position: relative;
    color: white;
    padding: 0;
    min-height: 60vh;
    width: 100%;
}
.market-container {
    display: flex;
    width: 90%; /* 减小宽度，增加两侧留白 */
    max-width: 1300px;
    margin: 0 auto;
    background: #fd5353;
    height: 500px; /* 固定高度 */
}

.market-content {
    width: 50%; /* 固定宽度为50% */
    padding: 100px 120px; /* 增加左右内边距 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: white;
    margin-top: 0px; /* 添加顶部外边距 */
}

.market-image {
    width: 50%; /* 固定宽度为50% */
    background: url('../images/backgrounds/1968-scaled.jpg') no-repeat center center;
    background-size: cover;
    height: 100%;
}
.market-title-red {
    color: #fd5353;
    margin-bottom: 0;
    font-size: 54px;
    font-weight: bold;
    text-transform: uppercase;
    line-height: 1.1;
}

.market-title-green {
    color: #31da4b;
    margin-top: 0;
    margin-bottom: 30px;
    font-size: 54px;
    font-weight: bold;
    text-transform: uppercase;
    line-height: 1.1;
}
.market-text {
    color: #333;
    margin-bottom: 40px;
    font-size: 18px;
    line-height: 1.6;
    max-width: 600px;
}
.market-btn {
    background: transparent;
    color: #2070c4; /* 蓝色文字 */
    border: none;
    padding: 12px 0; /* 去掉左右内边距 */
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.market-btn:hover {
    color: #1a5ea0; /* 深蓝色悬停效果 */
}

/* Cards */
.grid{display:grid;gap:30px}
.cards-3{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:40px}
.card{
    background:#fff;
    border-radius:12px;
    padding:25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

/* Benefits Icons Section */
.benefits-icons-section {
    background-color: #31da4b; /* 绿色背景 */
    padding: 0; /* 完全移除上下内边距 */
    position: relative;
    z-index: 1;
}

.benefits-icons-container {
    width: 90%; /* 与market-container一致 */
    max-width: 1300px;
    margin: 0 auto;
    padding: 0;
}

.benefits-icons-actions {
    text-align: center;
    margin-top: 20px; /* 减小按钮上方的间距 */
}

.benefits-icons-btn {
    display: inline-block;
    background-color: transparent;
    color: #fff;
    border: none; /* 移除边框 */
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.benefits-icons-btn:hover {
    text-decoration: underline;
}


.benefits-icons-row {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    margin: 0 auto;
    justify-content: space-between;
    padding: 10px 0; /* 进一步减小上下内边距 */
}

.benefits-icon-column {
    flex: 0 0 32%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

.benefits-icon-spacer {
    flex-grow: 1;
    min-height: 20px;
}

.benefits-icon-box {
    background-color: #31da4b; /* 绿色背景 */
    padding: 20px 20px; /* 减小上下内边距 */
    border: 4px solid #fff; /* 加粗的白色边框 */
    border-radius: 0; /* 移除圆角 */
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
    box-shadow: 0 5px 15px rgba(0,0,0,0.15); /* 添加阴影 */
}

.benefits-icon-box:hover {
    transform: translateY(-5px);
}

.benefits-icon {
    margin-bottom: 15px; /* 减小图标与文字之间的间距 */
}

.benefits-icon .icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transition: all 0.3s ease;
}

.custom-icon {
    width: 60px;
    height: 60px;
    color: #fff;
    fill: #fff;
}

.benefits-icon-box:hover .benefits-icon .icon {
    transform: scale(1.1);
}

.benefits-icon-content {
    margin-top: 15px;
}

.benefits-icon-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #fff; /* 白色标题 */
    text-transform: uppercase;
}

.benefits-icon-description {
    font-size: 16px;
    line-height: 1.8;
    color: #fff; /* 白色描述文字 */
    margin: 0;
    padding: 0 10px;
    opacity: 0.9; /* 轻微透明度 */
}

/* Green Section */
.green-section {
    background: #31da4b; /* 绿色背景 */
    color: white;
    padding: 0;
    position: relative;
}

.green-container {
    display: flex;
    width: 90%;
    max-width: 1300px;
    margin: 0 auto;
    min-height: 500px;
}

.green-content {
    width: 50%;
    padding: 100px 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #31da4b;
}

.green-title {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 20px;
    color: white;
    text-transform: uppercase;
}

.green-text {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 30px;
    max-width: 600px;
    color: rgba(255, 255, 255, 0.9);
}

.green-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.green-btn {
    background: white;
    color: #31da4b;
    padding: 12px 24px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.green-btn:hover {
    background: rgba(255, 255, 255, 0.9);
}

.green-btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 12px 24px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.green-btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

.green-features {
    width: 50%;
    display: flex;
    flex-direction: column;
    gap: 30px;
    position: relative;
    padding: 40px;
    background: url('../images/backgrounds/1968-scaled.jpg') no-repeat center center;
    background-size: cover;
    overflow: hidden;
    height: 100%;
}

.green-features::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.feature {
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 8px;
    backdrop-filter: blur(5px);
}

.feature h3 {
    color: white;
    margin-bottom: 10px;
    font-size: 18px;
    font-weight: 600;
}

.feature p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    line-height: 1.5;
}
.card h3{
    margin:0 0 15px;
    color: #333;
    font-size: 20px;
    font-weight: 600;
}
.section.alt h2 {
    color: white;
    font-size: 36px;
    margin-bottom: 15px;
    text-transform: uppercase;
}
.section.alt p {
    color: white;
    margin-bottom: 40px;
    font-size: 18px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.section.alt .btn-primary {
    background: white;
    color: #fd5353;
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}
.section.alt .btn-primary:hover {
    background: rgba(255,255,255,0.9);
}

/* Contact */
.contact-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.contact-title {
    color: var(--primary);
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 40px;
    text-align: left;
}

.contact-form {
    width: 100%;
}

.form-message {
    padding: 10px 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    display: none;
}

.form-message.success {
    display: block;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    display: block;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: #fff;
    padding: 30px;
    border-radius: 5px;
    max-width: 400px;
    width: 100%;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    position: relative;
}

.modal-icon {
    width: 60px;
    height: 60px;
    background-color: #31da4b;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.modal-icon svg {
    width: 30px;
    height: 30px;
    fill: white;
}

.modal-title {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
}

.modal-text {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.5;
}

.modal-btn {
    background-color: #2070c4;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

.modal-btn:hover {
    background-color: #1a5ea0;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    color: var(--primary);
    font-size: 16px;
    margin-bottom: 8px;
    font-weight: 500;
}

.required {
    color: red;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 0;
    font-size: 16px;
    color: #333;
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    position: relative;
    padding-left: 35px;
    cursor: pointer;
    font-size: 14px;
    color: #555;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkbox-container .checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    border: 1px solid #ddd;
}

.checkbox-container:hover input ~ .checkmark {
    background-color: #f9f9f9;
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.policy-text {
    line-height: 1.4;
    padding-top: 2px;
}

.form-actions {
    margin-top: 30px;
    text-align: left;
}

.send-request-btn {
    background-color: white !important;
    color: var(--primary) !important;
    border: 2px solid var(--primary) !important;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.send-request-btn:hover {
    background-color: rgba(32, 112, 196, 0.05);
}

/* AI Notice */
/* 生产部分样式 */
#manufacture {
    padding: 0;
    background-color: #2070c4;
    position: relative;
}

.manufacture-container {
    display: flex;
    width: 90%;
    max-width: 1300px;
    margin: 0 auto;
    height: 500px;
}

.manufacture-content {
    width: 50%;
    padding: 100px 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #2070c4;
    color: white;
}

.manufacture-image {
    width: 50%;
    background: url('../images/backgrounds/HafenOHN.webp') no-repeat center center;
    background-size: cover;
    height: 100%;
}

.manufacture-title-primary {
    color: white;
    font-size: 54px;
    font-weight: bold;
    margin-bottom: 0;
    text-transform: uppercase;
    line-height: 1.1;
}

.manufacture-title-secondary {
    color: white;
    font-size: 42px;
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 30px;
    text-transform: uppercase;
    line-height: 1.1;
}

.manufacture-text {
    color: white;
    font-size: 24px;
    line-height: 1.6;
    margin-bottom: 40px;
    max-width: 600px;
}

.manufacture-actions {
    margin-top: 30px;
    text-align: left;
}

.manufacture-btn {
    background: white;
    color: #2070c4;
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.manufacture-btn:hover {
    background: rgba(255, 255, 255, 0.9);
}

@media (max-width: 980px) {
    .manufacture-container {
        flex-direction: column;
        height: auto;
    }
    
    .manufacture-content {
        width: 100%;
        padding: 60px 50px;
    }
    
    .manufacture-image {
        width: 100%;
        min-height: 300px;
    }
    
    .manufacture-title-primary, .manufacture-title-secondary {
        font-size: 36px;
    }
}

.ai-notice {
    background-color: #fff;
    padding: 10px 0 20px;
}

.ai-notice p {
    text-align: center;
    color: #777;
    font-size: 14px;
    margin: 0;
}

/* Footer */
.site-footer {
    background: #fff;
    color: #333;
    padding: 30px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.footer-nav {
    display: flex;
    align-items: center;
}

.footer-nav a {
    color: #333;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 0 12px;
}

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

.footer-divider {
    color: #ddd;
    font-size: 14px;
    margin: 0 2px;
}

.copyright {
    color: #666;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 980px){
  .cards-3{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
  
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }
  
  .footer-nav {
    justify-content: center;
  }
  .form-grid{grid-template-columns:1fr}
  .market-container {flex-direction: column; height: auto; width: 95%;}
  .market-content {padding: 60px 50px; width: 100%;}
  .market-image {min-height: 300px; width: 100%;}
  .market-title-red, .market-title-green {font-size: 42px;}
  .green-container {flex-direction: column; min-height: auto;}
  .green-content {padding: 60px 50px; width: 100%;}
  .green-features {margin-top: 0; width: 100%; min-height: 300px;}
  .green-title {font-size: 36px;}
  
  /* Network Benefit Section 响应式 */
  .benefit-container {flex-direction: column; height: auto;}
  .benefit-content {width: 100%; padding: 60px 50px;}
  .benefit-image {width: 100%; min-height: 300px;}
  .benefit-title-primary, .benefit-title-secondary {font-size: 32px;}
  
  /* Benefits Icons Section 响应式 */
  .benefits-icons-container {
    width: 95%;
  }
  
  .benefits-icons-row {
    flex-direction: column;
    align-items: center;
  }
  
  .benefits-icon-column {
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: 20px;
    width: 100%;
  }
  
  .benefits-icon-box {
    margin-bottom: 20px;
  }
}
@media (max-width: 860px){
  .site-header{position:relative}
  .nav-toggle{display:block}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .2s;flex:none;max-height:calc(100vh - 80px);overflow:auto}
  .main-nav.open{opacity:1;pointer-events:auto}
  .main-nav ul{flex-direction:column;padding:18px}
  .cta{width:100%}
}