* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft Yahei", sans-serif;
        }

        body {
            color: #333;
            background-color: #f8f9fa;
            line-height: 1.8;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            overflow-y: scroll;
        }
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            padding: 0.8rem 4%;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            z-index: 999;
            transition: all 0.3s ease;
            box-shadow: 0 1px 8px rgba(0,0,0,0.06);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            white-space: nowrap;
            padding-right: 2rem;
        }

        .logo img {
            height: 40px;
            width: auto;
            border-radius: 4px;
        }

        .logo-text {
            color: #1a1a2e;
            font-size: 1.3rem;
            font-weight: bold;
            letter-spacing: 1px;
        }

        /* 妗岄潰绔鑸彍鍗?*/
        .nav-menu {
            display: flex;
            gap: 1.5rem;
        }

        .nav-menu a {
            color: #555;
            text-decoration: none;
            transition: color 0.3s;
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .nav-menu a:hover {
            color: #385790;
        }

        /* 姹夊牎鑿滃崟鎸夐挳 榛樿闅愯棌 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
            padding: 6px;
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: #333;
            border-radius: 1px;
            transition: all 0.3s;
        }

        /* 棣栭〉Banner - 绉诲姩绔叏灞忛€傞厤 */
        .banner {
            width: 100%;
            min-height: 100vh;
            height: 100vh;
            background: linear-gradient(135deg, #001B4D 0%, #0D2B6B 100%);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            color: #fff;
            padding: 0 6%;
            position: relative;
            overflow: hidden;
        }

        /* Banner瑁呴グ閰嶅浘锛堟浛鎹㈠け鏁堝浘锛?*/
        .banner-bg-img {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            object-fit: cover;
            opacity: 0.15;
            z-index: 0;
        }

        .banner-content {
            position: relative;
            z-index: 2;
        }

        .banner h1 {
            font-size: 2.2rem;
            margin-bottom: 1.2rem;
            background: linear-gradient(90deg, #5B9BD5, #A78BFA);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            animation: fadeUp 1s ease;
            line-height: 1.3;
        }

        .banner p {
            font-size: 1rem;
            color: #ccd6f6;
            max-width: 800px;
            animation: fadeUp 1.2s ease;
            line-height: 1.9;
        }

        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* 閫氱敤瀹瑰櫒 - 绉诲姩绔棿璺濅紭鍖?*/
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 6%;
        }

        .title {
            text-align: center;
            font-size: 1.8rem;
            color: #0a192f;
            margin-bottom: 3rem;
            position: relative;
        }

        .title::after {
            content: "";
            display: block;
            width: 60px;
            height: 3px;
            background: #385790;
            margin: 0.6rem auto;
            border-radius: 2px;
        }

        /* 銆愪慨澶?銆戝叧浜庢垜浠琍C绔袱鍒楃瓑楂樸€佹秷闄ゅ彸渚х┖鐧?*/
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 3rem;
            /* 鍏抽敭淇锛氫袱鍒楃瓑楂樸€佸瀭鐩寸疆椤跺榻愩€侀摵婊″鍣?*/
            align-items: stretch;
            width: 100%;
        }

        .about-text p {
            margin-bottom: 1rem;
            color: #555;
            font-size: 0.98rem;
        }

        /* 鍏徃鏁版嵁灞曠ず */
        .about-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin-top: 2rem;
        }

        .stat-item {
            background: linear-gradient(145deg, #f5f7fa, #e4e9f2);
            padding: 1.2rem;
            border-radius: 10px;
            text-align: center;
        }

        .stat-item .number {
            font-size: 1.8rem;
            font-weight: bold;
            color: #385790;
            display: block;
        }

        .stat-item .label {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.3rem;
        }

        .about-img {
            width: 100%;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            margin-bottom: 2rem;
            /* 鏇挎崲澶辨晥閰嶅浘 */
            object-fit: cover;
        }

        .advantage-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 1.5rem;
        }

        .advantage-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            padding: 0.8rem 0;
            border-bottom: 1px solid #eee;
        }

        .advantage-item:last-child {
            border-bottom: none;
        }

        .adv-num {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            background: #385790;
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: bold;
            margin-top: 2px;
        }

        .adv-body h4 {
            color: #0a192f;
            margin-bottom: 0.2rem;
            font-size: 0.95rem;
        }

        .adv-body p {
            font-size: 0.85rem;
            color: #888;
        }

        /* 涓氬姟鏉垮潡 */
        .business-wrap {
            background: #f5f7fa;
        }

        .business-list {
            display: grid;
            grid-template-columns: repeat(2,1fr);
            gap: 1.5rem;
        }

        .business-item {
            padding: 1.8rem;
            border-radius: 12px;
            background: linear-gradient(145deg, #f5f7fa, #e4e9f2);
            transition: transform 0.3s ease;
        }

        .business-item:hover {
            transform: translateY(-8px);
        }

        .business-item h3 {
            color: #0a192f;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }

        .business-item p {
            color: #666;
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* 銆愪慨澶?銆慞C绔悎浣滄嫑鍟嗘鏂溿€佸眳涓敊涔遍棶棰?*/
        .cooperate {
            background: linear-gradient(135deg, #001B4D 0%, #0D2B6B 100%);
            color: #fff;
            text-align: center;
            border-radius: 16px;
            /* 淇锛氫繚鐣欏鍣ㄧ殑margin:0 auto瀹炵幇灞呬腑 */
            position: relative;
            overflow: hidden;
        }

        .cooperate-bg {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            object-fit: cover;
            opacity: 0.1;
            z-index: 0;
            /* 鏇挎崲澶辨晥閰嶅浘 */
        }

        .cooperate-content {
            position: relative;
            z-index: 2;
        }

        .cooperate .title {
            color: #fff;
        }

        .cooperate p {
            max-width: 800px;
            margin: 0 auto 2rem;
            font-size: 1rem;
            color: #ccd6f6;
            line-height: 1.9;
        }

        .btn {
            display: inline-block;
            padding: 0.9rem 2.2rem;
            background: #385790;
            color: #fff;
            text-decoration: none;
            border-radius: 30px;
            transition: background 0.3s;
            /* 浼樺寲绉诲姩绔偣鍑讳綋楠?*/
            -webkit-tap-highlight-color: transparent;
        }

        .btn:hover {
            background: #2A4572;
        }

        .btn:active {
            opacity: 0.9;
        }

        /* 鏂伴椈鍗＄墖缃戞牸 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
            margin-top: 1rem;
        }

        .news-card {
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 15px rgba(0,0,0,0.06);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 8px 30px rgba(0,0,0,0.12);
        }

        .news-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .news-card-body {
            padding: 1.2rem 1.3rem 1.5rem;
        }

        .news-card-date {
            font-size: 0.8rem;
            color: #999;
            margin-bottom: 0.5rem;
        }

        .news-card h4 {
            font-size: 1rem;
            color: #0a192f;
            margin-bottom: 0.5rem;
            line-height: 1.5;
        }

        .news-card p {
            font-size: 0.9rem;
            color: #666;
            line-height: 1.7;
        }

        /* 鍚堜綔鎷涘晢 - 瑁呴グ鍥炬爣缃戞牸 */
        .cooperate-features {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin: 2rem 0 2.5rem;
        }

        .cooperate-feature-item {
            text-align: center;
        }

        .cooperate-feature-item img {
            width: 100%;
            aspect-ratio: 1 / 1;
            object-fit: cover;
            border-radius: 12px;
            display: block;
            margin-bottom: 0.8rem;
        }

        .cooperate-feature-item h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 0.3rem;
        }

        .cooperate-feature-item p {
            font-size: 0.85rem;
            color: #8892b0;
        }

        /* 鑱旂郴鎴戜滑 */
        .contact-list {
            display: flex;
            justify-content: center;
            gap: 3rem;
            text-align: center;
            flex-wrap: wrap;
        }

        .contact-item h4 {
            color: #385790;
            margin-bottom: 0.5rem;
            font-size: 1.05rem;
        }

        .contact-item p {
            font-size: 0.95rem;
            color: #555;
        }

        /* 鍚堜綔鎷涘晢鍐呭祵鑱旂郴鎴戜滑 */
        .cooperate-contact-row {
            display: flex;
            justify-content: center;
            gap: 3rem;
            flex-wrap: wrap;
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.15);
        }

        .cooperate-contact-item {
            text-align: center;
        }

        .cooperate-contact-item .label {
            display: block;
            color: #8892b0;
            font-size: 0.85rem;
            margin-bottom: 0.3rem;
        }

        .cooperate-contact-item .value {
            color: #ccd6f6;
            font-size: 0.95rem;
        }

        /* 搴曢儴 */
        footer {
            background: #000;
            color: #999;
            text-align: center;
            padding: 2rem 5%;
            font-size: 0.85rem;
            line-height: 1.8;
        }

        /* 鏍稿績绉诲姩绔€傞厤 - 鎵嬫満绔眽鍫¤彍鍗?*/
        @media (max-width: 768px) {
            /* 鏄剧ず姹夊牎鎸夐挳锛岄殣钘忓師鐢熷鑸?*/
            .hamburger {
                display: flex;
            }
            .nav-menu {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(255,255,255,0.98);
                flex-direction: column;
                align-items: center;
                padding: 1.5rem 0;
                gap: 1.2rem;
                display: none;
                box-shadow: 0 4px 12px rgba(0,0,0,0.08);
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-menu a {
                font-size: 1rem;
            }

            /* 瀵艰埅鏍忛€傞厤 & LOGO鐣欑櫧 */
            .nav {
                padding: 0.8rem 5%;
            }
            .logo {
                padding-right: 1rem;
            }
            .logo img {
                height: 28px;
            }
            .logo-text {
                font-size: 1.1rem;
            }

            /* Banner閫傞厤 */
            .banner h1 {
                font-size: 1.8rem;
            }
            .banner p {
                font-size: 0.95rem;
            }

            /* 閫氱敤闂磋窛 */
            .container {
                padding: 3rem 5%;
            }
            .title {
                font-size: 1.6rem;
                margin-bottom: 2.5rem;
            }

            /* 鍒楄〃鍏ㄩ儴鍗曞垪 */
            .about-content, .business-list {
                grid-template-columns: 1fr;
            }

            /* 鏂伴椈鍗＄墖銆佸悎浣滅壒鎬ч€傞厤 */
            .news-grid {
                grid-template-columns: 1fr;
            }
            .cooperate-features {
                grid-template-columns: repeat(2, 1fr);
            }

            /* 鎸夐挳瑙︽帶浼樺寲 */
            .btn {
                width: 100%;
                max-width: 240px;
                padding: 1rem 0;
            }

            /* 鑱旂郴鎴戜滑闂磋窛 */
            .contact-list {
                gap: 2rem;
            }
        }

        @media (max-width: 480px) {
            /* 瓒呭皬灞忔墜鏈烘瀬鑷撮€傞厤 */
            .banner h1 {
                font-size: 1.5rem;
            }
            .advantage-list, .business-list {
                gap: 1rem;
            }
            .business-item {
                padding: 1rem;
            }
        }

        /* 閫傞厤鍒樻捣灞忋€佹寲瀛斿睆 */
        @supports (padding-top: env(safe-area-inset-top)) {
            .nav {
                padding-top: calc(0.8rem + env(safe-area-inset-top));
            }
            .banner {
                padding-top: env(safe-area-inset-top);
                padding-bottom: env(safe-area-inset-bottom);
            }
        }