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

        body {
            background-color: #f5f9ff!important;
            color: #0a1a2f;
            line-height: 1.5;
            scroll-behavior: smooth;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
           
        }
        .sl-banner{
            width: 100%;
            height: 671px;
            background: url(../images/gia.png) right center no-repeat #361FE1;
            border-bottom: 1px solid rgb(101, 101, 101);
        }  
        .sl-banCon {
            box-sizing: border-box;
            padding-top: 240px;
        }
        .sl-banCon>h1 {
            font-size: 36px;
            color: #fff;
            font-weight: bold;
        }
        .sl-banCon>p {
            font-size: 22px;
            margin: 30px 0px 50px;
            color: #fff;
            width: 600px;
            line-height: 30px;
        }
        .btn-lg {
            padding: 1rem 2rem;
            font-size: 1.125rem;
            font-weight: 600;
        }
        .btn-primary {
            background: linear-gradient(135deg, #2f54eb 0%, #1d39c4 100%);
            color: #fff;
            box-shadow: 0 4px 16px rgba(47, 84, 235, 0.2);
            border: 1px solid #2f54eb;
        }
        .sl-banCon .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border-radius: 0.5rem;
            text-decoration: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            white-space: nowrap;
            user-select: none;
            outline: none;
        }
        /* 科技感网格背景 (极简线条) */
        .grid-bg {
            background-image: 
                linear-gradient(rgba(18, 52, 114, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(18, 52, 114, 0.03) 1px, transparent 1px);
            background-size: 60px 60px;
        }

        /* 头部 */
        .hero {
            padding: 80px 0 40px 0;
            position: relative;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0,163,255,0.08) 0%, rgba(0,163,255,0) 70%);
            border-radius: 50%;
            z-index: -1;
            pointer-events: none;
        }

        .hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .hero-text {
            flex: 1 1 400px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(0, 81, 255, 0.1);
            color: #0051ff;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            padding: 6px 16px;
            border-radius: 40px;
            margin-bottom: 24px;
            border: 1px solid rgba(0, 81, 255, 0.2);
            backdrop-filter: blur(4px);
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 700;
            line-height: 1.1;
            letter-spacing: -1px;
            background: linear-gradient(145deg, #0a2540, #1f3a6b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 24px;
        }

        .hero .highlight {
            background: linear-gradient(120deg, #0066ff, #7f9fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: #2c405e;
            max-width: 600px;
            margin-bottom: 32px;
            border-left: 4px solid #0066ff;
            padding-left: 24px;
            background: rgba(255,255,255,0.6);
            backdrop-filter: blur(2px);
            border-radius: 0 8px 8px 0;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: #0a1a2f;
        }

        .stat-label {
            font-size: 0.9rem;
            color: #4a5f7a;
            letter-spacing: 0.3px;
        }

        .hero-visual {
            flex: 1 1 400px;
            background: radial-gradient(circle at 30% 50%, #ffffff, #eaf2ff);
            border-radius: 40px;
            padding: 20px;
            box-shadow: 0 40px 60px -20px rgba(0,51,102,0.3);
            border: 1px solid rgba(255,255,255,0.5);
            backdrop-filter: blur(10px);
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-visual img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 24px;
        }

        /* 全球连接示意 (纯CSS抽象图) */
        .globe-pulse {
            width: 100%;
            aspect-ratio: 1/0.9;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 360" fill="none"><circle cx="200" cy="180" r="100" stroke="%230066ff" stroke-width="1.5" stroke-dasharray="6 6" fill="none"/><circle cx="200" cy="180" r="140" stroke="%2399bbff" stroke-width="1" stroke-dasharray="4 8" fill="none"/><circle cx="200" cy="180" r="60" stroke="%23003399" stroke-width="2" fill="none"/><path d="M200,40 L200,320 M60,180 L340,180" stroke="%230066ff" stroke-width="1" opacity="0.3"/><circle cx="200" cy="180" r="6" fill="%230066ff"/><circle cx="120" cy="120" r="4" fill="%233366ff"/><circle cx="280" cy="240" r="4" fill="%233366ff"/><circle cx="140" cy="250" r="4" fill="%233366ff"/><circle cx="270" cy="130" r="4" fill="%233366ff"/></svg>') no-repeat center;
            background-size: contain;
        }

        /* 特性网格 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 28px;
            margin: 70px 0;
        }

        .feature-card {
            background: rgba(255,255,255,0.75);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(0,102,255,0.15);
            border-radius: 32px;
            padding: 32px 24px;
            transition: all 0.25s ease;
            box-shadow: 0 20px 30px -15px rgba(0,40,100,0.1);
        }

        .feature-card:hover {
            transform: translateY(-8px);
            border-color: rgba(0,102,255,0.4);
            box-shadow: 0 30px 40px -15px #0066ff30;
            background: rgba(255,255,255,0.9);
        }

        .feature-icon {
            background: linear-gradient(135deg, #ebf3ff, #ffffff);
            width: 64px;
            height: 64px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: #0066ff;
            margin-bottom: 24px;
            border: 1px solid #ffffff;
            box-shadow: 0 6px 12px -6px #a0c0ff;
        }

        .feature-card h3 {
            font-size: 1.6rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .feature-card p, .feature-card ul {
            color: #2b405c;
            font-size: 1rem;
            margin-bottom: 16px;
        }

        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 12px;
            margin-top: 16px;
        }

        .feature-tags span {
            background: #eef4ff;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #0047b3;
        }

        .badge-light {
            background: #0066ff0c;
            border: 1px dashed #0066ff30;
            border-radius: 40px;
            padding: 2px 12px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #0066ff;
            display: inline-block;
        }

        /* 全球接入点 & 云连接区域 (双列布局) */
        .global-section {
            background: #ffffffd9;
            backdrop-filter: blur(8px);
            border-radius: 48px;
            padding: 48px 40px;
            margin: 80px 0;
            border: 1px solid #ffffff;
            box-shadow: 0 30px 60px -30px #001f66;
        }

        .global-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px 60px;
        }

        .region-block h4, .cloud-block h4 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 2px solid #dde7ff;
            padding-bottom: 12px;
        }

        .region-items {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
        }

        .region-col {
            flex: 1 1 180px;
        }

        .region-col strong {
            display: block;
            font-weight: 700;
            color: #002d66;
            margin-bottom: 8px;
        }

        .region-col ul {
            list-style: none;
        }

        .region-col li {
            padding: 4px 0;
            color: #1f3a6b;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .region-col li i {
            color: #0066ff;
            font-size: 0.7rem;
            opacity: 0.7;
        }

        .cloud-logos {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 30px;
            margin: 20px 0;
        }

        .cloud-item {
            background: #f1f7ff;
            border-radius: 40px;
            padding: 8px 22px;
            font-weight: 600;
            color: #003580;
            border: 1px solid #cddfff;
        }

        .exchange-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 18px;
            margin-top: 20px;
        }

        .exchange-list span {
            background: #e9f0ff;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid #b9d2ff;
        }

        /* 5G & 终端接入卡片区 */
        .access-showcase {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin: 60px 0;
            background: linear-gradient(115deg, #f0f7ff, #e6f0ff);
            border-radius: 56px;
            padding: 48px 40px;
        }

        .access-info {
            flex: 2 1 400px;
        }

        .access-info h2 {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 24px;
        }

        .os-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 32px;
        }

        .os-card {
            background: #ffffffc4;
            backdrop-filter: blur(8px);
            border-radius: 28px;
            padding: 22px 20px;
            flex: 1 1 140px;
            border: 1px solid white;
            box-shadow: 0 10px 20px -10px #6699ff50;
        }

        .os-card i {
            font-size: 2.2rem;
            color: #0066ff;
            margin-bottom: 16px;
        }

        .os-card h5 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .os-card ul {
            list-style: none;
        }

        .os-card li {
            font-size: 0.9rem;
            padding: 4px 0;
            color: #1e3c63;
        }

        .os-card .small-note {
            font-size: 0.75rem;
            color: #667f9e;
            margin-top: 8px;
        }

        .carrier-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin: 40px 0 20px;
        }

        .carrier-block {
            background: #ffffffd6;
            border-radius: 32px;
            padding: 28px 24px;
            flex: 1 1 240px;
        }

        .carrier-block h4 i {
            margin-right: 10px;
            color: #0066ff;
        }

        .province-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 16px 0;
        }

        .province-tag {
            background: #ddeeff;
            border-radius: 30px;
            padding: 5px 15px;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .footnote {
            font-size: 0.85rem;
            color: #4e6c8a;
            margin-top: 12px;
            border-left: 2px solid #0066ff;
            padding-left: 16px;
        }

        /* 安全合规 + 底部案例 */
        .trust-section {
            display: flex;
            flex-wrap: wrap;
            background: #0f2542;
            color: white;
            border-radius: 60px;
            padding: 60px 50px;
            margin: 80px 0;
            align-items: center;
            gap: 40px;
            background-image: radial-gradient(circle at 70% 20%, #1f4172, #0a1a2f);
        }

        .trust-left {
            flex: 2 1 300px;
        }

        .trust-left h2 {
            font-size: 2.2rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .trust-features {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 30px;
        }

        .trust-feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #1d3456;
            padding: 12px 22px;
            border-radius: 60px;
        }

        .trust-right {
            flex: 1 1 240px;
            background: rgba(255,255,255,0.05);
            backdrop-filter: blur(8px);
            border-radius: 40px;
            padding: 32px;
            border: 1px solid #5982b9;
        }

        .case-list {
            list-style: none;
        }

        .case-list li {
            padding: 8px 0;
            border-bottom: 1px solid #31507c;
            font-weight: 500;
        }

        .case-list li:last-child {
            border-bottom: none;
        }

        /* 保留原文特殊标注 */
        .ref-note {
            background: #ebf3ff;
            border-radius: 12px;
            padding: 4px 12px;
            font-size: 0.85rem;
            display: inline-block;
            margin-top: 5px;
        }

        hr {
            border: none;
            height: 1px;
            background: linear-gradient(to right, #b3ceff, transparent);
            margin: 20px 0;
        }

        @media (max-width: 800px) {
            .container { padding: 0 24px; }
            .hero h1 { font-size: 2.6rem; }
            .global-grid { grid-template-columns: 1fr; }
        }