/* ===================== 全局颜色变量【统一在此修改颜色】 ===================== */
        :root {
            --color-primary: #165DFF;
            --color-primary-dark: #0e42c0;
            --color-primary-light: #e8f0ff;
            --color-secondary: #ff7d00;
            --color-secondary-dark: #ff5c00;

            --color-text-main: #222222;
            --color-text-normal: #333333;
            --color-text-gray: #555555;
            --color-text-lightgray: #666666;
            --color-text-placeholder: rgba(255,255,255,0.55);

            --color-bg-white: #ffffff;
            --color-bg-light: #f8faff;
            --color-bg-gray: #f4f7fc;
            --color-bg-dark: #112849;
            --color-bg-footer: #0b1a33;

            --color-border-light: #e8edf3;
            --color-border-dash: #e2e8f0;

            --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 12px 36px rgba(0,0,0,0.08);
            --shadow-lg: 0 18px 40px rgba(22, 93, 255, 0.12);
        }

        body {
            color: var(--color-text-normal);
            background-color: var(--color-bg-white);
            line-height: 1.6;
            overflow-x: hidden;
        }


        /* 滚动动画 */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        
		
        
        /* 通用标题 */
        .section-title {
            text-align: center;
            font-size: 32px;
            padding: 70px 0 12px;
            color: var(--color-text-main);
        }
        .section-subtitle {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 48px;
            color: var(--color-text-lightgray);
            font-size: 16px;
        }

        /* ==========核心优势 一行4列 FontAwesome图标========== */
        .advantage-section {
            background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg-white) 100%);
            padding-bottom: 80px;
        }

        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .advantage-card {
            background: var(--color-bg-white);
            padding: 32px 24px;
            border-radius: 16px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .advantage-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .advantage-card .icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--color-primary), #40a9ff);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 26px;
            color: var(--color-bg-white);
        }

        .advantage-card h3 {
            font-size: 19px;
			font-weight:bold;
            color: var(--color-text-main);
            margin-bottom: 12px;
        }

        .advantage-card p {
            color: var(--color-text-gray);
            font-size: 15px;
        }

        /* 技术驱动的外贸增长站点 -- 一行左右并排 */
        .advantage-image-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            gap:40px;
            margin-top:60px;
        }
        .advantage-image {
            width:100%;
            border-radius:16px;
            box-shadow:var(--shadow-md);
        }
		.advantage-text{ padding-left:15%;}
        .advantage-text h3 {
            font-size:28px;
            margin-bottom:20px;
            color:var(--color-text-main);
        }
        .advantage-text ul {
            list-style:none;
        }
        .advantage-text li {
            padding:10px 0;
            color:var(--color-text-gray);
            position:relative;
            padding-left:28px;
        }
        .advantage-text li::before {
            content:"✓";
            position:absolute;
            left:0;
            color:var(--color-primary);
            font-weight:bold;
        }

        /* ==========蓝色统计板块：动态漂移透明圆圈背景 + 独立数字计数========== */
        .stats-section {
            position: relative;
            padding: 70px 0;
            background:
                radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.08), transparent 20%),
                radial-gradient(circle at 90% 10%, rgba(255, 255, 255, 0.06), transparent 24%),
                linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            color: var(--color-bg-white);
            overflow: hidden;
        }
        /* 网格纹理底层 */
        .stats-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 60px 60px;
            z-index: 0;
            pointer-events: none;
        }

        /* 背景里多个透明圆圈容器 */
        .stats-circles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: 1;
            pointer-events: none;
        }

        .stats-circle {
            position: absolute;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.18);
            background: rgba(255, 255, 255, 0.04);
            animation: circleDrift 12s infinite ease-in-out;
        }

        .stats-circle-1 {
            width: 180px;
            height: 180px;
            top: -60px;
            left: 8%;
            animation-delay: 0s;
        }

        .stats-circle-2 {
            width: 260px;
            height: 260px;
            top: 10%;
            right: -80px;
            animation-delay: 2s;
            animation-duration: 14s;
        }

        .stats-circle-3 {
            width: 120px;
            height: 120px;
            bottom: 10%;
            left: 12%;
            animation-delay: 4s;
            animation-duration: 10s;
        }

        .stats-circle-4 {
            width: 220px;
            height: 220px;
            bottom: -100px;
            right: 20%;
            animation-delay: 6s;
            animation-duration: 16s;
        }

        .stats-circle-5 {
            width: 90px;
            height: 90px;
            top: 40%;
            left: 50%;
            animation-delay: 8s;
            animation-duration: 9s;
        }

        @keyframes circleDrift {
            0% {
                transform: translate(0, 0) scale(1);
                opacity: 0.18;
            }
            50% {
                transform: translate(18px, -12px) scale(1.08);
                opacity: 0.32;
            }
            100% {
                transform: translate(0, 0) scale(1);
                opacity: 0.18;
            }
        }

        .stats-grid {
            position:relative;
            z-index:2;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
            gap: 30px;
            text-align: center;
        }

        .stat-item h3 {
            font-size: 36px;
            margin-bottom: 8px;
			color:#fff;
        }

        .stat-item p {
            font-size: 16px;
            opacity: 0.85;
        }

        /* ==========个性化定制建站服务【修改：标题背景、右侧图标、列表圆点蓝色淡蓝外圈】========== */
        .service-section {
            background-color: var(--color-bg-gray);
            padding: 70px 0 90px;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(320px, 1fr));
            gap: 32px;
        }

        .service-item {
            position:relative;
            background: var(--color-bg-white);
            padding: 36px 30px;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            transition: 0.4s ease;
        }
        .service-item::before{
            content:"";
            position:absolute;
            top:0;
            left:0;
            width:40px;
            height:40px;
            border-top:3px solid var(--color-primary);
            border-left:3px solid var(--color-primary);
            border-radius:16px 0 0 0;
            opacity:0;
            transition:0.4s;
        }
        .service-item::after{
            content:"";
            position:absolute;
            bottom:0;
            right:0;
            width:40px;
            height:40px;
            border-bottom:3px solid var(--color-secondary);
            border-right:3px solid var(--color-secondary);
            border-radius:0 0 16px 0;
            opacity:0;
            transition:0.4s;
        }

        .service-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 22px 50px rgba(22, 93, 255, 0.15);
        }
        .service-item:hover::before,
        .service-item:hover::after{
            opacity:1;
        }

        /* 服务卡片标题：背景底色 + 右侧小图标 */
        .service-item h3 {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 22px;
            color: var(--color-primary);
            margin: -36px -30px 20px -30px;
            padding:14px 20px;
            background-color: var(--color-primary-light);
            border-radius:16px 16px 0 0;
        }
        .service-item h3 i {
            font-size:20px;
            color:var(--color-primary);
        }

        /* 自定义列表圆点：蓝色内核+淡蓝色外圈 */
        .service-item ul {
            list-style: none;
            padding-left:4px;
        }
        .service-item li {
            position:relative;
            padding-left:24px;
            margin-bottom: 10px;
            color: #444;
        }
        .service-item li::before {
            content:"";
            position:absolute;
            left:0;
            top:9px;
            width:10px;
            height:10px;
            border-radius:50%;
            background-color:var(--color-primary);
            box-shadow: 0 0 0 4px var(--color-primary-light);
        }

        .service-image-block {
            margin-top: 50px;
            text-align: center;
        }

        .service-image {
            max-width: 100%;
            border-radius: 16px;
            box-shadow: var(--shadow-md);
        }

        /* 联系咨询区域【只保留表单，删除联系方式】 */
        .contact-section {
            background: var(--color-bg-dark);
            color: var(--color-bg-white);
            padding: 70px 0;
        }

        .contact-section h2 {
            text-align: center;
            margin-bottom: 48px;
            font-size: 28px;
        }

        .contact-form-wrap {
            max-width:620px;
            margin:0 auto;
        }

        .contact-form {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 36px;
            border-radius: 16px;
            backdrop-filter: blur(10px);
        }

        .contact-form h3 {
            margin-bottom: 24px;
            font-size: 22px;
            text-align:center;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            color: var(--color-bg-white);
            font-size: 15px;
        }

        .contact-form input::placeholder,
        .contact-form textarea::placeholder {
            color: var(--color-text-placeholder);
        }

        .contact-form textarea {
            min-height: 130px;
            resize: none;
        }

        .contact-form button {
            width: 100%;
            margin-top: 12px;
        }

        /* Footer */
        .footer-note {
            text-align: center;
            padding: 24px 0;
            background: var(--color-bg-footer);
            color: #aaa;
            font-size: 14px;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .banner-swiper .swiper-slide{
                min-height:auto;
                padding:60px 0;
            }
            .banner .row {
                flex-direction: column;
            }
            .banner h1 {
                font-size: 32px;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            /* 优势模块 平板变成2列 */
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantage-image-block{
                grid-template-columns:1fr;
            }
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
                padding: 50px 0 10px;
            }
            .banner h1 {
                font-size: 28px;
            }
            .btn {
                width: 100%;
                text-align: center;
            }
            .btn-outline {
                margin-left: 0;
                margin-top: 12px;
            }
            .advantage-grid {
               
            }
			.advantage-card{ padding:20px 12px}
            .service-grid {
                grid-template-columns: 1fr;
            }
            .contact-form {
                padding:24px 20px;
            }
            /* swiper移动端隐藏箭头 */
            .banner-swiper .swiper-button-next,
            .banner-swiper .swiper-button-prev{
                display:none;
            }
        }