.main-headers {
            width: 100%;
            height: 400px;
            background-image: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1)), url('https://fczx.pds.gov.cn/upload/images/2025/7/66ad196f16d0e57ee1f9c9746ec04993.png');
            background-size: cover;
            background-position: top;
            background-repeat: no-repeat;
            position: relative;
            display: flex;
            padding: 0 60px;
            overflow: hidden;
            z-index: 1;
        }

        .header-bg-transition {
            position: absolute;
            left: 0;
            top: 0;
            right: 0;
            bottom: 0;
            z-index: 2;
            pointer-events: none;
            background-size: cover;
            background-position: top;
            background-repeat: no-repeat;
            opacity: 0;
            transition: opacity 0.6s;
        }

        .main-headers::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(30, 136, 229, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
            pointer-events: none;
        }

        .logo-headers {
            display: flex;
            position: absolute;
            align-items: center;
            left: 40px;
            top: 40px;
            z-index: 2;
            padding: 20px 0;
        }

        .logo {
            width: 100px;
        }

        .icon-headers svg {
            width: 36px;
            height: 36px;
            color: white;
        }

        .title-headers {
            display: flex;
            flex-direction: column;
        }

        .main-title-headers {
             font-family: "Microsoft YaHei", "PingFang SC", sans-serif;

            font-size: 32px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 8px;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
            letter-spacing: 1px;
        }

        .sub-title-headers {
             font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
            font-size: 16px;
            color: #e3f2fd;
            font-weight: 500;
            letter-spacing: 2px;
            text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.6);
        }

        .search-headers {
            position: absolute;
            right: 40px;
            bottom: 0;
            z-index: 2;
            padding: 25px 0;
        }

        .search-form-headers {
            display: flex;
            align-items: center;
            gap: 15px;
            border: 1px solid #e3eaf5;
            padding: 8px 8px 8px 25px;
            border-radius: 50px;
            backdrop-filter: blur(5px);
            -webkit-backdrop-filter: blur(5px);
            transition: all 0.3s ease;
        }

        .search-form-headers:hover {

            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25),
                inset 0 0 0 1px rgba(255, 255, 255, 0.6);
        }

        .search-input-headers {
            width: 280px;
            height: 30px;
            padding: 0 20px;
            border: none;
            border-radius: 25px;
            font-size: 16px;
            outline: none;
            background: transparent;
            color: #fff;
            font-weight: 500;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
        }

        .search-input-headers::placeholder {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
        }

        .search-btn-headers {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, #1e88e5 0%, #42a5f5 100%);
            border: none;
            border-radius: 50%;
            color: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(30, 136, 229, 0.4);
        }

        .search-btn-headers:hover {
            transform: translateY(-2px) scale(1.05);
            box-shadow: 0 8px 25px rgba(30, 136, 229, 0.6);
        }

        .search-btn-headers svg {
            width: 22px;
            height: 22px;
        }

        .floating-elements-headers {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            pointer-events: none;
            overflow: hidden;
        }

        .floating-circle-headers {
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            animation: float 8s ease-in-out infinite;
        }

        .floating-circle-headers:nth-child(1) {
            width: 120px;
            height: 120px;
            top: 15%;
            left: 8%;
            animation-delay: 0s;
        }

        .floating-circle-headers:nth-child(2) {
            width: 80px;
            height: 80px;
            top: 65%;
            right: 12%;
            animation-delay: 3s;
        }

        .floating-circle-headers:nth-child(3) {
            width: 150px;
            height: 150px;
            bottom: 10%;
            left: 15%;
            animation-delay: 6s;
        }

        .floating-circle-headers:nth-child(4) {
            width: 60px;
            height: 60px;
            top: 30%;
            right: 25%;
            animation-delay: 2s;
        }

        @keyframes float {

            0%,
            100% {
                transform: translateY(0px) rotate(0deg);
                opacity: 0.2;
            }

            50% {
                transform: translateY(-30px) rotate(180deg);
                opacity: 0.4;
            }
        }

        /* 响应式设计 */
        @media (max-width: 1200px) {
            .mainNav {
                width: 100%;
                flex-flow: wrap;
                padding: 0 20px;
            }
        }

        @media (max-width: 1024px) {
            .main-headers {
                padding: 0 40px;
                flex-direction: column;
                justify-content: center;
                gap: 40px;
                height: 350px;
            }

            .search-input-headers {
                width: 260px;
            }

            .logo-headers {
                left: 20px;
                top: 20px;
            }

            .main-title-headers {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            .main-headers {
                padding: 0 20px;
                height: 320px;
                gap: 30px;
            }

            .icon-headers {
                width: 60px;
                height: 60px;
                margin-right: 15px;
            }

            .icon-headers svg {
                width: 30px;
                height: 30px;
            }

            .main-title-headers {
                font-size: 24px;
            }

            .sub-title-headers {
                font-size: 14px;
            }

            .search-headers {
                padding: 54px 0;
                right: 0;
            }

            .search-input-headers {
                width: 200px;
                height: 40px;
                font-size: 15px;
            }

            .search-btn-headers {
                width: 40px;
                height: 40px;
            }

            .search-form-headers {
                padding: 6px 6px 6px 15px;
            }

            .mainNav .mainNav_li .a1 {
                font-size: 15px;
                padding: 0 5px;
            }

        }

        @media (max-width: 600px) {
            .main-headers {
                height: 300px;
            }

            .logo {
                width: 80px;
            }

            .logo-headers {
                left: 15px;
                top: 15px;
                padding: 10px 0;
            }

            .fixed-bottom-buttons.in-header {
                flex-direction: column;
                right: 15px;
                bottom: 15px;
                gap: 8px;
            }

            .fixed-bottom-buttons .btn {
                padding: 7px 12px;
                font-size: 13px;
                min-width: 90px;
            }


        }

        @media (max-width: 480px) {
            .main-headers {
                height: 280px;
                padding: 0 15px;
                gap: 20px;
            }

            .logo-headers {
                left: 10px;
                top: 10px;
            }

            .logo {
                width: 70px;
            }

            .main-title-headers {
                font-size: 20px;
                margin-bottom: 4px;
            }

            .sub-title-headers {
                font-size: 12px;
                letter-spacing: 1px;
            }

            .search-headers {
                right: 10px;
                padding: 50px 0;
            }

            .search-input-headers {
                width: 160px;
                height: 36px;
                padding: 0 10px;
                font-size: 14px;
            }

            .search-btn-headers {
                width: 36px;
                height: 36px;
            }

            .search-btn-headers svg {
                width: 18px;
                height: 18px;
            }

            .floating-circle-headers {
                display: none;
            }





            .fixed-bottom-buttons.in-header {
                flex-direction: row;
                right: 8px;
                bottom: 8px;
                gap: 6px;
            }

            .fixed-bottom-buttons .btn {
                padding: 6px 10px;
                font-size: 12px;
                min-width: 80px;
            }
        }

        @media (max-width: 360px) {
            .main-headers {
                height: 260px;
            }

            .search-form-headers {
                padding: 5px 5px 5px 10px;
            }

            .search-input-headers {
                width: 130px;
                font-size: 13px;
            }

            .main-title-headers {
                font-size: 18px;
            }

        }

        .fixed-bottom-buttons {
            position: fixed;
            right: 40px;
            bottom: 40px;
            z-index: 99;
            display: flex;
        }

        .fixed-bottom-buttons.in-header {
            position: absolute;
            right: 45px;
            bottom: 93px;
            z-index: 10;
        }

        .fixed-bottom-buttons .btn {
            font-size: 15px;
            border: none;
            padding: 8px 20px;
            cursor: pointer;
            font-weight: 500;
            box-shadow: 0 2px 8px rgba(51, 136, 255, 0.10);
            transition: background 0.2s, color 0.2s;
        }

        .fixed-bottom-buttons .btn-white {
            background: #fff;
            color: #d35400;
            border: 1.5px solid #ffd9b3;
        }


        .fixed-bottom-buttons .btn-orange {
            background: #ffa940;
            color: #fff;
        }

        .fixed-bottom-buttons .btn-orange:hover {
            background: #ff7f0e;
        }

        @media (max-width: 900px) {
            .fixed-bottom-buttons.in-header {
                right: 16px;
                bottom: 16px;
            }

            .fixed-bottom-buttons .btn {
                padding: 7px 14px;
                font-size: 14px;
            }
        }

        @media (max-width: 600px) {
            .fixed-bottom-buttons.in-header {
                flex-direction: row;
                right: 8px;
                bottom: 8px;
                gap: 8px;
            }

            .fixed-bottom-buttons .btn {
                padding: 7px 10px;
                font-size: 13px;
                min-width: 90px;
            }
        }

        .bottom-navigation {
            background: rgba(44, 98, 180, 0.82);
            /* 半透明蓝色，简约 */
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-top: none;
            box-shadow: none;
            position: relative;
            padding: 0;
        }
    </style>