/* ===================== 全局颜色变量【集中在此，方便后期修改】 ===================== */
        :root {
            --primary-start: #0b3670;
            --primary-end: #2063bb;
            --primary-gradient: linear-gradient(90deg, var(--primary-start), var(--primary-end));
            --icon-gradient: linear-gradient(135deg, #0b3670, #2870d8);
            --primary-bg: rgba(11, 54, 112, 0.08);
            --primary-fade: rgba(11, 54, 112, 0.14);
            --dark: #1a202c;
            --gray-bg: #f0f3f8;
            --white: #ffffff;
            --border-color: #e8ecf3;
            --success-color: #23a055;
            --disable-color:#999;
        }

        .qqh03 * {
            box-sizing: border-box;
        }
        body {
            background-color: #f5f7fa;
            overflow-x: hidden;
        }


        .section-title {
            text-align: center;
            margin-bottom: 70px;
        }
        .section-title h2 {
            font-size: 38px;
            color: var(--dark);
            margin-bottom: 16px;
        }
        .section-title .line {
            width: 80px;
            height: 4px;
            background: var(--primary-gradient);
            margin: 0 auto;
            border-radius: 2px;
        }
        .section-title p.desc {
            max-width: 860px;
            margin:14px auto 0;
            color:#666;
            font-size:16px;
            line-height:1.7;
        }

        .animate-observe {
            opacity: 0;
            transform: translateY(40px);
            transition: all 0.7s ease-out;
        }
        .animate-fadeUp {
            opacity: 1;
            transform: translateY(0);
        }

        section {
            padding: 100px 0;
            position: relative;
        }
		#channel{padding: 100px 0 0;}
        .bg-white {
            background-color: var(--white);
        }
        .bg-gray {
            background-color: var(--gray-bg);
        }

        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .text-block p {
            font-size: 18px;
            line-height: 1.8;
            color: #555;
            margin-bottom: 45px;
        }
        .img-box {
            width: 100%;
        }
        .img-box img {
            width: 100%;
            height: auto;
            border-radius: 14px;
            /*box-shadow: 0 12px 36px rgba(0,0,0,0.12);*/
        }

        .mini-card-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .mini-card {
            padding: 28px 24px;
            border-radius: 12px;
            background: #fff;
            box-shadow: 0 4px 14px rgba(0,0,0,0.06);
            transition: all 0.3s;
            border: 1px solid var(--border-color);
        }
        .mini-card:hover {
            transform: translateY(-6px) scale(1.02);
            box-shadow: 0 10px 28px var(--primary-fade);
        }
        .mini-card .icon {
            font-size: 42px;
            background: var(--icon-gradient);
            -webkit-background-clip: text;
            color: transparent;
            margin-bottom: 14px;
        }
        .mini-card h4 {
            font-size: 20px;
            margin-bottom: 8px;
        }
        .mini-card p {
            color: #666;
            font-size: 15px;
            margin: 0;
        }

        /* ========== 三大模块：全球曝光、精准询盘、精准客户 ========== */
        .three-col-num {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 80px;
        }
        .num-card {
            background: linear-gradient(145deg, #ffffff, #f7f9fc);
            padding: 40px 30px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 4px 16px rgba(0,0,0,0.05);
            position: relative;
            overflow: hidden;
            transition: all 0.35s;
            border: 1px solid var(--border-color);
        }
        .num-card::before {
            content:none;
        }
        .num-card:hover {
            transform: translateY(-8px) scale(1.01);
            box-shadow: 0 14px 32px var(--primary-fade);
        }
        .num-card .inner {
            position: relative;
            z-index: 2;
        }
        .num-card .icon-circle {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background-color: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 34px;
            margin: 0 auto 20px;
            transition: all 0.3s;
        }
        .num-card .icon-circle i{
            background: var(--icon-gradient);
            -webkit-background-clip: text;
            color: transparent;
        }
        .num-card:hover .icon-circle {
            background: var(--primary-gradient);
        }
        .num-card:hover .icon-circle i{
            color:#fff;
            -webkit-background-clip: unset;
        }
        .num-card h4 {
            font-size: 22px;
            margin-bottom: 14px;
        }
        .num-card p {
            color: #555;
            line-height: 1.7;
        }

        /* ========== 外贸云技术核心【改造：卡片左侧配图，左右布局】 ========== */
        .four-col {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .tech-card {
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 6px 18px rgba(0,0,0,0.05);
            position: relative;
            overflow: hidden;
            transition: 0.4s ease;
        }
        .tech-card-img{
            width:100%;
            height:100%;
            background:var(--primary-bg);
            display:flex;
            align-items:center;
            justify-content:center;
        }
        .tech-card-img img{
            width:160px;
            height:auto;
        }

        .tech-card-right{
            display:flex;
            flex-direction:column;
        }

        .tech-card-title {
            padding: 22px 24px;
            background: var(--primary-gradient);
            color: #fff;
            position: relative;
            z-index: 2;
        }
        .tech-card-title h4 {
            font-size: 20px;
            margin: 0;
			color:#fff;
        }

        .tech-card-body {
            padding: 32px 24px;
            position: relative;
            z-index: 2;
            flex: 1;
        }
        .tech-card-body p {
            color: #555;
            line-height: 1.75;
            font-size: 16px;
        }

        .tech-card .bg-icon {
            position: absolute;
            right: -12px;
            bottom: -12px;
            font-size: 90px;
            color: var(--primary-fade);
            z-index: 1;
            transform: rotate(-15deg);
            transition: transform 0.4s ease;
        }
        .tech-card:hover .bg-icon {
            transform: rotate(0deg);
        }

        .tech-card:hover {
            transform: translateY(-10px) scale(1.01);
            box-shadow: 0 16px 35px var(--primary-fade);
        }

        /* ========== 外贸云功能体系｜互斥：点击当前展开，其余全部收起 ========== */
        .accordion-wrap {
            max-width: 1600px;
            width: 100%;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .acc-column {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .acc-item {
            border: 1px solid #dde2ec;
            border-radius: 12px;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 4px 12px rgba(0,0,0,0.04);
            transition: 0.3s;
            position: relative;
        }
        .acc-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 4px;
            height: 100%;
            background: var(--primary-gradient);
            opacity: 0;
            transition: 0.3s;
        }
        .acc-item:hover {
            box-shadow: 0 10px 24px var(--primary-fade);
        }
        .acc-item:hover::before {
            opacity: 1;
        }
        .acc-header {
            padding: 22px 26px;
            background-color: #f4f7fc;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 18px;
            font-weight: 600;
            transition: 0.25s;
        }
        .acc-header:hover {
            background-color: #e8eff9;
        }
        .acc-header i {
            transition: transform 0.3s;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-bg);
            background: var(--icon-gradient);
            -webkit-background-clip: text;
            color: transparent;
        }
        .acc-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s ease;
        }
        .acc-body.open {
            max-height: 300px;
        }
        .acc-body-inner {
            padding: 24px 26px;
            color: #555;
            line-height: 1.8;
            font-size: 16px;
        }
        .rotate-180 {
            transform: rotate(180deg);
        }

        /* ========== 外贸云客户来源【增加背景配图，上下圆弧，左右竖直角】 ========== */
        .source-wrap {
            margin-top: 80px;
            position:relative;
            /* 背景图，半透明遮罩 */
            background:url("/skin/images/dd.jpg");
            background-size:cover;
            background-position:center;
            background-repeat:no-repeat;
            padding:70px 0;
        }
        .source-wrap::before{
            content:"";
            position:absolute;
            inset:0;
            background:rgba(255,255,255,0.86);
        }
        .source-wrap>.container{
            position:relative;
            z-index:2;
        }

        .source-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap:24px;
        }
        .source-card {
            background: #fff;
            border-radius: 200px;
			overflow:hidden;
            padding: 62px 16px 108px;
            text-align: center;
            position: relative;
            transition: 0.4s ease;
            box-shadow: 0 4px 16px rgba(0,0,0,0.04);
        }
        /* 底部半圆装饰缩小 */
        .source-card::after{
            content:"";
            position:absolute;
            width:36px;
            height:18px;
            border-radius:18px 18px 0 0;
            background:var(--primary-bg);
            bottom:-1px;
            left:50%;
            transform:translateX(-50%);
            z-index:1;
        }
        .source-card::before {
            content: attr(data-num);
            position: absolute;
            bottom: 32px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 32px;
            font-weight: bold;
            color: var(--primary-bg);
            z-index: 2;
            line-height: 1;
        }
        .source-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 28px;
            border:none;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 38px;
            background: var(--white);
            transition: 0.35s;
            position: relative;
            z-index: 2;
        }
        .source-icon i{
            background: var(--icon-gradient);
            -webkit-background-clip: text;
            color: transparent;
        }
        .source-card h4{
            font-size:17px;
            font-weight:bold;
            margin-bottom:5px;
            position:relative;
            z-index:2;
        }
        .source-card p {
            font-size:14px;
            color: #555;
            line-height: 1.6;
            position: relative;
            z-index: 2;
        }
        .source-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 14px 30px var(--primary-fade);
        }
        .source-card:hover .source-icon {
            background: var(--primary-gradient);
        }
        .source-card:hover .source-icon i{
            color:#fff;
            -webkit-background-clip: unset;
        }

        /* ========== 引流渠道 ========== */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .channel-card {
            background: #fff;
            padding: 32px 28px;
            border-radius: 14px;
            box-shadow: 0 4px 14px rgba(0,0,0,0.05);
            position: relative;
            overflow: hidden;
            transition: 0.35s;
            border: 1px solid var(--border-color);
        }
        .channel-card::before {
            content: attr(data-index);
            position: absolute;
            top: 12px;
            right: 20px;
            font-size: 64px;
            font-weight: bold;
            color: var(--primary-bg);
            line-height: 1;
            z-index: 0;
        }
        .channel-card:hover {
            transform: translateY(-7px) scale(1.01);
            box-shadow: 0 14px 30px var(--primary-fade);
        }
        .channel-card .inner {
            position: relative;
            z-index: 2;
        }
        .channel-card .fa-icon {
            font-size: 34px;
            background: var(--icon-gradient);
            -webkit-background-clip: text;
            color: transparent;
            margin-bottom: 14px;
        }
        .channel-card h4 {
            font-size: 20px;
            margin-bottom: 12px;
        }
        .channel-card p {
            color: #555;
            line-height: 1.7;
        }

        /* ========== 领先优势 ========== */
        .adv-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .adv-item {
            display: flex;
            gap: 16px;
            padding: 28px 24px;
            background: #fff;
            border-radius: 14px;
            box-shadow: 0 4px 14px rgba(0,0,0,0.05);
            border: 1px solid var(--border-color);
            transition: 0.3s;
        }
        .adv-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 26px var(--primary-fade);
        }
        .adv-item .icon {
            font-size: 26px;
            flex-shrink: 0;
            margin-top: 4px;
            background: var(--icon-gradient);
            -webkit-background-clip: text;
            color: transparent;
        }
        .adv-item h4 {
            font-size: 20px;
            margin-bottom: 8px;
        }
        .adv-item p {
            color: #555;
            line-height: 1.7;
        }

        /* ========== 外贸云营销套餐【100%截图逐条复刻】 ========== */
        .pkg-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .pkg-card {
            background: #fff;
            border-radius: 16px;
            padding: 36px 20px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.06);
            position: relative;
            transition: 0.4s ease;
            border: 1px solid var(--border-color);
            overflow: visible;
            display: flex;
            flex-direction: column;
        }
        .pkg-card:hover {
            transform: translateY(-10px) scale(1.01);
            box-shadow: 0 16px 35px var(--primary-fade);
        }
        .pkg-card.hot {
            border: 2px solid var(--primary-start);
        }
        .pkg-card .hot-tag {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary-gradient);
            color: #fff;
            font-size: 13px;
            padding: 5px 18px;
            border-radius: 24px;
        }
        .pkg-card h4 {
            text-align: center;
            font-size: 24px;
            margin-bottom: 16px;
        }
        .pkg-num {
            text-align: center;
            font-size: 52px;
            font-weight: bold;
            background: var(--icon-gradient);
            -webkit-background-clip: text;
            color: transparent;
            margin-bottom: 6px;
        }
        .pkg-desc {
            text-align: center;
            color: #777;
            margin-bottom: 28px;
        }
        .pkg-list {
            list-style: none;
            margin-bottom: 32px;
            overflow: visible;
            flex: 1;
        }
        .pkg-list li {
            padding: 8px 0;
            font-size:14px;
            color:#444;
            line-height:1.55;
            border-bottom:1px solid #f3f3f3;
        }
        .pkg-list li:last-child{
            border-bottom:none;
        }
        .pkg-list li .yes {
            color: var(--success-color);
            margin-right: 8px;
        }
        .pkg-list li .no {
            color: #dc3545;
            margin-right: 8px;
        }
        .pkg-btn-wrap {
            text-align: center;
        }
        .pkg-btn {
            display: block;
            width: 100%;
            padding: 11px 0;
            border-radius: 8px;
            text-decoration: none;
            border: 1px solid var(--primary-start);
            background:transparent;
            color: var(--primary-start);
            transition: 0.35s;
            text-align: center;
            font-weight: 500;
            font-size:14px;
        }
        .pkg-btn:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color:transparent;
        }
        .pkg-btn.active {
            background: var(--primary-gradient);
            color: #fff;
            border-color:transparent;
        }

        /* 响应式 */
        @media (max-width: 1400px) {
            .container {
                max-width: 1200px;
            }
            .source-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        @media (max-width: 1024px) {
            .two-col,
            .four-col,
            .adv-grid,
            .pkg-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tech-card{
                grid-template-columns:1fr;
            }
            .three-col-num,
            .channel-grid {
                grid-template-columns: 1fr 1fr;
            }
            .accordion-wrap {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .two-col,
            .three-col-num,
            .four-col,
            .channel-grid,
            .adv-grid,
            .pkg-grid,
            .source-grid {
                grid-template-columns: 1fr;
            }
            section {
                padding: 30px 0;
            }
			.section-title{ margin-bottom:35px;}
			.mini-card{ padding:20px 18px;}
			.mini-card h4{ font-size:16px;}
			.mini-card p{ font-size:14px;}
            .section-title h2 {
                font-size: 28px;
            }
			.source-grid{ grid-template-columns:repeat(2, 1fr);}
			.source-grid .source-card:nth-child(7){ display:none;}
        }