.top_bg {
            position: absolute;
            top: 0;
            left: 0;
            height: 135px;
            width: 100%;
            background: rgba(0, 0, 0, 0.4);
            z-index: 5;
        }

        #app {
            padding-top: 135px;
        }

        .top_bg:before {
            content: "";
            width: 100%;
            height: 1px;
            background: rgba(255, 255, 255, 0.3);
            position: absolute;
            bottom: 0;
            left: 0;
        }

        .header {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            padding: 0 15px;
            box-sizing: border-box;
            position: relative;
        }

        .header .h_tel {
            position: absolute;
            top: 30px;
            right: 0;
            font-size: 14px;
            color: #050616;
            font-weight: bold;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 30px;
            padding: 0 10px;
            background: rgba(255, 255, 255, 0.7);
            border-radius: 30px;
        }

        .h_tel em {
            width: 19px;
            height: 19px;
            line-height: 0;
            padding-right: 8px;
        }

        .h_tel em img {
            width: 19px;
            height: 19px;
        }

        .h_logo {
            width: 26%;
            padding: 20px 0 0;
        }

        .logo {
            width: 54.95%;
            line-height: 0;
        }

        .logo img {
            display: block;
            width: 100%;
        }

        .h_dw {
            font-size: 18px;
            color: #fff;
            font-weight: normal;
            line-height: 22px;
            padding-top: 5px;
        }

        .btm {
            border-bottom: rgba(255, 255, 255, 0.3) 1px solid;
            background: #000;
            width: 100%;
            padding: 15px 0 0;
        }

        .top_nav {
            position: absolute;
            top: 70px;
            left: 0;
            width: 100%;
        }

        .menu_nav {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            padding: 0 15px;
            box-sizing: border-box;
        }

        .h_nav {
            width: 78%;
            height: 66px;
            float: right;
            overflow: hidden;
        }

        .h_nav .h_tel {
            display: none;
            font-size: 14px;
            color: #050616;
            font-weight: bold;
            align-items: center;
            justify-content: space-between;
            height: 30px;
            padding: 0 10px;
            background: rgba(255, 255, 255, 0.7);
            border-radius: 30px;
            margin-top: 10px;
        }

        .h_nav ul {
            width: 100%;
            height: 66px;
            display: flex;
            justify-content: space-between;
        }

        .h_nav li a {
            font-size: 14px;
            color: #d1d1d1;
            display: block;
            float: left;
            position: relative;
            z-index: 4;
            text-decoration: none;
            height: 66px;
            line-height: 50px;
            padding: 0 8px;
            white-space: nowrap;
        }

        .h_nav li a:after {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: #fff;
            content: '';
            opacity: 0;
            -webkit-transition: height 0.3s, opacity 0.3s, -webkit-transform 0.3s;
            -moz-transition: height 0.3s, opacity 0.3s, -moz-transform 0.3s;
            transition: height 0.3s, opacity 0.3s, transform 0.3s;
            -webkit-transform: translateY(-10px);
            -moz-transform: translateY(-10px);
            transform: translateY(-10px);
        }

        .h_nav li a:hover:after,
        .h_nav li.cur a:after {
            height: 3px;
            opacity: 1;
            -webkit-transform: translateY(0px);
            -moz-transform: translateY(0px);
            transform: translateY(0px);
        }

        .h_nav li a:hover,
        .h_nav li.cur a {
            font-weight: bold;
            color: #fff;
        }

        /* 一级菜单「展开子菜单」按钮：仅移动端显示（桌面端由 hover 展开子菜单） */
        .sub-toggle {
            display: none;
        }

        .sub_nav,
        .li02_nav,
        .li03_nav,
        .li04_nav,
        .li06_nav,
        .li07_nav,
        .li08_nav,
        .li09_nav {
            display: none;
            position: absolute;
            left: 0;
            top: 65px;
            z-index: 2;
            background: linear-gradient(180deg, rgba(21, 21, 27, 0.98) 0%, rgba(14, 14, 18, 0.96) 100%);
            width: 100%;
            padding: 26px 0 28px;
            border-top: 1px solid rgba(240, 196, 127, 0.45);
            border-image: linear-gradient(90deg, rgba(240, 196, 127, 0), rgba(240, 196, 127, 0.85), rgba(240, 196, 127, 0)) 1;
            box-shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.55);
        }

        .nav_main {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            padding: 0 15px;
            box-sizing: border-box;
        }

        .nav_con {
            width: 100%;
            float: none;
        }

        .nav_list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
        }

        .h_nav li .nav_main .nav_list a {
            font-size: 14px;
            color: #cfcfd6;
            height: 44px;
            line-height: 44px;
            padding: 0 22px;
            float: none;
            width: auto;
            position: relative;
            letter-spacing: 0.5px;
            transition: color 0.25s ease;
        }

        /* 相邻子菜单项之间的细分隔线 */
        .h_nav li .nav_main .nav_list a + a:before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 14px;
            background: rgba(255, 255, 255, 0.14);
        }

        .h_nav li .nav_main p a:after {
            display: none;
        }

        /* 子菜单链接 hover：金色下划线展开（覆盖一级菜单白色下划线的继承） */
        .h_nav li .nav_main .nav_list a:after {
            content: "";
            display: block;
            position: absolute;
            left: 50%;
            bottom: 10px;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, #f0c47f, #d98e3f);
            opacity: 1;
            transition: width 0.28s ease;
        }

        .h_nav li .nav_main .nav_list a:hover:after {
            width: 60%;
        }

        .h_nav li.cur .nav_main .nav_list a {
            font-weight: normal;
        }

        .h_nav li .nav_main .nav_list a:hover {
            color: #f0c47f;
            font-weight: normal;
        }

        .nav_main p {
            width: 40%;
            height: 8rem;
            float: right;
            line-height: 0;
            overflow: hidden;
            border: rgba(255,255,255,0.5) 1px solid;
        }

        .nav_main p img {
            -webkit-transition: 1s;
            -moz-transition: 1s;
            transition: 1s;
        }

        .nav_main p img:hover {
            -webkit-transform: scale(1.1);
            -moz-transform: scale(1.1);
            -ms-transform: scale(1.1);
            transform: scale(1.1);
        }

        .btm .h_nav {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            float: none;
        }

        .btm .h_nav ul {
            width: 85%;
            float: left;
        }

        .btm .h_nav .h_tel {
            display: flex;
            float: right;
        }

        .btm .nav_con {
            width: 85%;
            float: left;
        }

        .btm .nav_main p {
            width: 31.8%;
        }

        .btm .li02_nav,
        .btm .li03_nav,
        .btm .li04_nav,
        .btm .li06_nav,
        .btm .li07_nav,
        .btm .li08_nav,
        .btm .li09_nav {
            top: 82px;
        }

        @media screen and (max-width:1500px) {
            .header,
            .btm .h_nav {
                width: 1200px;
            }
        }

        /* ===== 移动端一级导航条（桌面端隐藏） ===== */
        .m-nav {
            display: none;
        }

        /* ===== 汉堡菜单按钮（桌面端隐藏） ===== */
        .mobile-menu-btn {
            display: none;
            cursor: pointer;
            padding: 10px 5px;
            position: absolute;
            right: 15px;
            top: 15px;
            z-index: 100;
        }
        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 3px;
            background: #fff;
            margin-bottom: 5px;
            border-radius: 2px;
            transition: all 0.3s;
        }
        .mobile-menu-btn span:last-child {
            margin-bottom: 0;
        }
        .mobile-menu-btn.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .mobile-menu-btn.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }


        .banner {
            position: relative;
            width: 100%;
            height: auto;
            clear: both;
        }

        .banner .swiper-container {
            width: 100%;
            overflow: hidden;
            height: 100vh;
        }

        .banner .swiper-wrapper {
            display: block;
            width: 100%;
            height: 100vh;
            white-space: nowrap;
        }

        .banner .swiper-slide {
            width: 100%;
            height: 100vh;
            overflow: hidden;
            background: #000;
            position: relative;
            display: inline-block;
            vertical-align: top;
        }

        .banner .swiper-slide a {
            display: block;
            width: 100%;
            height: 100%;
            line-height: 0;
        }

        .banner img,.banner video {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: cover;
            margin: 0 auto;
            position: absolute;
            top: 0;
            left: 0;
        }

        .banner .swiper-button-prev,
        .banner .swiper-button-next {
            position: absolute;
            font-size: 0;
            right: 5%;
            top: auto;
            z-index: 10;
            width: 2.7rem;
            height: 2.7rem;
            border-radius: 50%;
            border: 0;
            outline: none;
            cursor: pointer;
            transition: .8s;
            pointer-events: auto !important;
            background-color: rgba(255,255,255,0.5);
        }
        .banner .swiper-button-prev:after,
        .banner .swiper-button-next:after {
            display: none !important;
        }

        .banner .swiper-button-prev {
            bottom: 11.2rem;
            background: rgba(255,255,255,0.5) url(../images/prev.png) no-repeat center center;
            background-size: 2.7rem 2.7rem;
        }

        .banner .swiper-button-next {
            bottom: 8rem;
            background: rgba(255,255,255,0.5) url(../images/next.png) no-repeat center center;
            background-size: 2.7rem 2.7rem;
        }

        .swiper-container-horizontal > .swiper-pagination-bullets {
            bottom: 5%;
            right: 5%;
            width: 2.7rem;
            left: auto;
        }

        .swiper-pagination .swiper-pagination-bullet {
            width: 0.5rem;
            height: 0.5rem;
            border-radius: 50%;
            display: block;
            outline: none;
            background: #fff;
            border: #fff 1px solid;
            transition: .5s;
            opacity: 1;
        }

        .swiper-pagination .swiper-pagination-bullet-active {
            background: #e2490d;
            border: #fff 1px solid;
        }

        .swiper-container-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet {
            margin: 0 auto 0.5rem;
        }

        .banner .banMenu {
            position: absolute;
            left: 50%;
            width: 1.4rem;
            bottom: 2.5rem;
            height: 2rem;
            margin-left: -14px;
            text-align: center;
            z-index: 5;
        }

        .banner .banMenu i {
            display: block;
            width: 1.4rem;
            height: 2rem;
            cursor: pointer;
            position: absolute;
            bottom: 0;
            left: 0;
        }

        .banner .banMenu i img {
            -webkit-transition: all 0.5s;
            -moz-transition: all 0.5s;
            -ms-transition: all 0.5s;
            -o-transition: all 0.5s;
            transition: all 0.5s;
            -webkit-animation: bounceY 2s infinite;
            -moz-animation: bounceY 2s infinite;
            -o-animation: bounceY 2s infinite;
            -ms-animation: bounceY 2s infinite;
            animation: bounceY 2s infinite;
        }

        @-moz-keyframes bounceY {
            0%,
            100% {
                -moz-transform: translateY(0);
                transform: translateY(0);
            }
            50% {
                -moz-transform: translateY(-6px);
                transform: translateY(-6px);
            }
        }

        @-o-keyframes bounceY {
            0%,
            100% {
                -o-transform: translateY(0);
                transform: translateY(0);
            }
            50% {
                -o-transform: translateY(-6px);
                transform: translateY(-6px);
            }
        }

        @keyframes bounceY {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }


.f_bg{ background: #0c0c1c; overflow: hidden;padding-top: 70px;}
.footer{max-width: 1400px; width:100%; margin:0 auto; padding: 0 15px; box-sizing: border-box;}
.f_ban{width: 32%;}
.f_top,.f_ban i,.f_ul01 li a{display: block;font-size: 16px;color: #fff;height: 60px;line-height: 60px;margin-bottom: 15px;position: relative;}
.f_top:before,.f_ul01 li a:before{content: "";width: 18px;height: 2px;background: #fff;position: absolute;bottom: 0;left: 0;}
.f_ban p{line-height: 30px;font-size: 14px;color: #878787;padding-top: 10px;}
.f_ban span{display: block;}
.f_ban span i{height: 30px;line-height: 30px;margin-bottom: 0;}
.f_ban b{display: block;font-size: 20px;color: #fff; font-family: "DINOT";line-height: 50px;}
.f_nav{width: 60%;}
.f_ul01 li{float: left;width: 25%;}
.f_ul01 li a{width: 100%;}
.f_ul01 .f_ul02{padding: 5px 0 0;}
.f_ul01 .f_ul02 li{width: 100%;height: 36px;line-height: 36px;}
.f_ul01 .f_ul02 li a{height: 36px;line-height: 36px;font-size: 14px;color: rgba(255,255,255,0.5);margin-bottom: 0;}
.f_nav ul li a:hover{color: #fff;}
.f_ul01 .f_ul02 li a:before{display: none;}
.f_qr_strip{clear: both;text-align: center;padding: 15px 0 20px;}
.f_qr_strip .f_top{display: inline-block;height: 50px;line-height: 50px;margin-bottom: 10px;}
.f_qr_strip .f_top:before{left: 50%;transform: translateX(-50%);}
.f_qr_grid{display: flex;justify-content: center;flex-wrap: wrap;gap: 10px 24px;margin-top: 5px;padding: 0 15px;}
.f_qr_grid p{width: 110px;margin: 0;text-align: center;transition: transform .25s ease;}
.f_qr_grid p:hover{transform: translateY(-2px);}
.f_qr_grid p em{display: block;line-height: 0;background: #fff;border-radius: 6px;padding: 5px;box-shadow: 0 2px 8px rgba(0,0,0,0.25);}
.f_qr_grid p img{display: block;width: 100%;aspect-ratio: 1;}
.f_qr_grid p span{display: block;font-size: 12px;color: rgba(255,255,255,0.5);line-height: 1.4;padding-top: 6px;white-space: nowrap;overflow: hidden;text-overflow: ellipsis;transition: color .25s ease;}
.f_qr_grid p:hover span{color: #fff;}
.f_bot{width: 100%;height: 80px;line-height: 80px;overflow: hidden;font-size: 14px;color: rgba(255,255,255,0.6);}
.f_bot span{padding: 0 10px;}
.f_bot a{color: rgba(255,255,255,0.6);}
em,i{font-style: normal;}
@media screen and (max-width:1500px) {
	.footer{width:1200px;}
}


        .client-2 {
            position: fixed;
            right: -170px;
            top: 50%;
            z-index: 900;
        }

        .client-2 li a {
            text-decoration: none;
        }

        .client-2 li {
            margin-top: 1px;
            clear: both;
            height: 62px;
            position: relative;
        }

        .client-2 li i {
            background: url(../images/fx.png) no-repeat;
            display: block;
            width: 30px;
            height: 27px;
            margin: 0px auto;
            text-align: center;
        }

        .client-2 li p {
            height: 20px;
            font-size: 12px;
            line-height: 20px;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }

        .client-2 .my-kefu-qq i {
            background-position: 0px 2px;
        }

        .client-2 .my-kefu-tel i {
            background-position: 0 -25px;
        }

        .client-2 .my-kefu-liuyan i {
            background-position: 4px -53px;
        }

        .client-2 .my-kefu-weixin i {
            background-position: -30px 4px;
        }

        .client-2 .my-kefu-weibo i {
            background-position: -30px -22px;
        }

        .client-2 .my-kefu-ftop {
            display: none;
        }

        .client-2 .my-kefu-ftop i {
            width: 36px;
            height: 32px;
            background-position: -22px -49px;
            background-size: 52px 82px;
        }

        .client-2 .my-kefu-ftop .my-kefu-main {
            padding-top: 6px;
        }

        .client-2 .my-kefu-left {
            float: left;
            width: 62px;
            height: 47px;
            position: relative;
        }

        .client-2 .my-kefu-tel-right {
            font-size: 16px;
            color: #fff;
            float: left;
            height: 24px;
            line-height: 22px;
            padding: 0 15px;
            border-left: 1px solid #fff;
            margin-top: 14px;
        }

        .client-2 .my-kefu-right {
            width: 20px;
        }

        .client-2 .my-kefu-tel-main {
            background:#999;
            color: #fff;
            height: 53px;
            width: 230px;
            padding:9px 0 0;
            float: left;
        }

        .client-2 .my-kefu-main {
            background:#999;
            width: 97px;
            height: 53px;
            position: relative;
            padding:9px 0 0;
            float: left;
        }

        .client-2 .my-kefu-weixin-pic {
            position: absolute;
            left: -130px;
            top: -24px;
            display: none;
            z-index: 333;
        }

        .my-kefu-weixin-pic img {
            width: 115px;
            height: 115px;
        }

        /* 视频轮播slide样式 */
        .banner .slide-video {
            position: relative;
            background: #000;
        }
        .banner .slide-video video {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .banner .slide-video .slide-title {
            position: absolute;
            bottom: 80px;
            left: 0;
            width: 100%;
            text-align: center;
            color: #fff;
            font-size: 24px;
            text-decoration: none;
            text-shadow: 0 2px 4px rgba(0,0,0,0.6);
            background: linear-gradient(transparent, rgba(0,0,0,0.5));
            padding: 20px 0 30px;
        }
        .banner .slide-video .slide-title:hover {
            color: #fff;
        }

        /* ========== 平板端适配 (max-width: 1024px) ========== */
        @media screen and (max-width: 1024px) {
            .header {
                width: 100%;
                padding: 0 15px;
                box-sizing: border-box;
            }
            .menu_nav {
                width: 100%;
            }
            .h_nav {
                width: 100%;
            }
            .btm .h_nav {
                width: 100%;
            }
            .nav_main {
                width: 100%;
            }
        }

        /* ========== 手机端适配 (max-width: 768px) ========== */
        @media screen and (max-width: 768px) {
            /* ---- body ---- */
            body {
                min-width: 0;
                max-width: 100%;
                overflow-x: hidden;
                overflow-y: auto;
            }
            /* 关键修复：layout.html 中外层 div 有内联 overflow:hidden，
               position:relative + overflow:hidden 祖先内含有 position:fixed 抽屉时，
               iOS Safari 会锁定整个 body 的滚动（抽屉打开后左侧内容无法上下滑动）。
               移动端覆盖为 visible，恢复 body 滚动能力。 */
            body > div {
                overflow: visible !important;
            }

            /* ---- 顶部区域（移动端固定头部） ---- */
            /* 单行头部：logo + 三个一级标签 + 汉堡，整体固定在视口顶部。
               body 上存在 overflow-x:hidden，sticky 会失效，故用 fixed + #app 顶部留白。 */
            body .top_bg {
                position: fixed !important;
                top: 0 !important;
                left: 0 !important;
                width: 100% !important;
                height: 68px !important;
                min-height: 0 !important;
                background: rgba(0, 0, 0, 0.4) !important;
                display: flex !important;
                align-items: center !important;
                z-index: 1000 !important;
            }
            body .top_bg:before {
                display: none !important;
            }
            /* 固定头部高 68px，内容区顶部留白避免被遮挡。
               提升特异性以覆盖各页面 CSS 里的 #app{padding-top:0!important} */
            html body > div > #app {
                padding-top: 68px !important;
            }
            .header {
                width: 100%;
                height: 68px;
                padding: 0 8px 0 15px;
                box-sizing: border-box;
                display: flex;
                align-items: center;
                justify-content: space-between;
            }
            .h_logo {
                width: auto;
                max-width: 46%;
                padding: 0;
                display: flex;
                align-items: center;
                flex: 0 0 auto;
            }
            .logo {
                width: auto;
            }
            .logo img {
                width: auto;
                max-width: 100%;
                max-height: 34px;
            }
            .h_dw {
                display: none;
            }
            .header .h_tel {
                position: static;
                font-size: 12px;
                background: none;
                border-radius: 0;
                padding: 0;
                height: auto;
                display: none;
            }

            /* ---- 导航栏 ---- */
            /* 移动端 .top_nav 只承载右侧抽屉，透明覆盖层不参与点击，避免遮挡导航条 */
            .top_nav {
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                z-index: 10;
                pointer-events: none;
            }
            .menu_nav {
                width: 100%;
                height: 100%;
                padding: 0 15px;
                box-sizing: border-box;
            }
            .btm {
                padding: 0;
            }
            .btm .h_nav {
                width: 100%;
            }
            .btm .h_nav .h_tel {
                display: none;
            }
            .h_nav {
                width: 100%;
                height: 100%;
                float: none;
                overflow: visible;
                position: relative;
            }
            /* ===== 一级导航（首页 / 活动类矫治器 / 妃她文化），位于 logo 与汉堡之间 ===== */
            .m-nav {
                display: flex;
                align-items: center;
                flex: 1 1 auto;
                min-width: 0;
                height: 100%;
                box-sizing: border-box;
                background: none;
            }
            .m-nav-scroll {
                flex: 1 1 auto;
                min-width: 0;
                display: flex;
                align-items: center;
                justify-content: center;
                height: 100%;
                overflow-x: auto;
                overflow-y: hidden;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .m-nav-scroll::-webkit-scrollbar {
                display: none;
            }
            .m-nav-item {
                position: relative;
                flex: 0 0 auto;
                height: 44px;
                line-height: 44px;
                padding: 0 8px;
                font-size: 13px;
                color: rgba(255, 255, 255, 0.88);
                text-decoration: none;
                white-space: nowrap;
                letter-spacing: 0;
                transition: color 0.25s ease;
            }
            .m-nav-item.cur {
                color: #fff;
                font-weight: 600;
            }
            .m-nav-item.cur:after {
                content: "";
                position: absolute;
                left: 8px;
                right: 8px;
                bottom: 0;
                height: 2px;
                border-radius: 2px;
                background: linear-gradient(90deg, #f0c47f, #d98e3f);
            }
            /* 头部右侧汉堡（与导航同处一行，金色线条） */
            .m-nav .mobile-menu-btn {
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                position: relative;
                /* 覆盖基础规则里的 top/right（position:relative 下会把按钮推偏） */
                top: auto;
                right: auto;
                margin: 0;
                flex: 0 0 40px;
                width: 40px;
                height: 100%;
                padding: 0;
                transform: none;
                border-left: 0;
                background: none;
                /* 高于抽屉 .nav-list (z-index: 9998)，保证 X 关闭按钮不被抽屉遮住 */
                z-index: 9999;
                -webkit-tap-highlight-color: transparent;
            }
            .m-nav .mobile-menu-btn span {
                width: 22px;
                height: 2px;
                margin-bottom: 5px;
                border-radius: 2px;
                background: #f0c47f;
            }
            .m-nav .mobile-menu-btn span:last-child {
                margin-bottom: 0;
            }
            .m-nav .mobile-menu-btn.active span {
                background: #fff;
            }
            /* 兼容旧头部结构（模板缓存未刷新时汉堡仍在 .h_nav 内） */
            .h_nav .mobile-menu-btn {
                display: block;
                position: absolute;
                top: 50%;
                right: 15px;
                width: 24px;
                height: 19px;
                padding: 0;
                transform: translateY(-50%);
                z-index: 9999;
            }
            .h_nav .mobile-menu-btn span {
                width: 24px;
                height: 3px;
                margin-bottom: 5px;
                background: #333;
            }
            .h_nav .mobile-menu-btn span:last-child {
                margin-bottom: 0;
            }
            .h_nav .mobile-menu-btn.active span {
                background: #fff;
            }
            /* ===== 右侧自适应宽度抽屉 ===== */
            .nav-list {
                position: fixed;
                top: 0;
                right: 0;
                /* 父级 .top_nav 已设为 pointer-events:none，抽屉需恢复可点击 */
                pointer-events: auto;
                height: auto !important;
                min-height: 100vh;
                max-height: 100vh;
                display: flex !important;
                flex-direction: column;
                width: max-content !important;
                max-width: 280px;
                max-width: min(280px, 80vw);
                background: linear-gradient(160deg, rgba(12,12,16,0.97), rgba(22,22,30,0.93));
                -webkit-backdrop-filter: blur(14px);
                backdrop-filter: blur(14px);
                /* 底部留 140px + iOS 安全区，避免最后一项菜单被浏览器底部导航条遮住
                   （小米/华为等 Android 浏览器底部导航条较厚，需 ≥140px 兜底） */
                padding: 54px 0 max(140px, env(safe-area-inset-bottom));
                box-sizing: border-box;
                z-index: 9998;
                transform: translateX(100%);
                visibility: hidden;
                transition: transform 0.3s ease, visibility 0.3s;
                border-radius: 0;
                border-left: 1px solid rgba(255,255,255,0.08);
                box-shadow: -12px 0 36px rgba(0, 0, 0, 0.45);
                /* 抽屉自身独立滚动。配合 body.menu-open 锁定 body 滚动，
                   解决 iOS Safari 上 position:fixed + overflow 抽屉的"滚动锁定"问题。
                   当菜单项（含子菜单展开后）超出 100vh 时，用户可在抽屉内上下滑动查看。 */
                overflow-y: auto;
                overflow-x: hidden;
                -webkit-overflow-scrolling: touch;
                overscroll-behavior: contain;
            }
            /* 抽屉打开时锁定 body 滚动。
               iOS Safari 上 position:fixed 抽屉内的 overflow-y:auto 会与 body 滚动冲突并锁住整页滚动。
               通过将 body 设为 position:fixed + overflow:hidden 禁用其滚动，
               抽屉内部即可独立滚动而不影响 body。
               关闭抽屉时 JS 移除该类，并恢复 body.style.top 与 window.scrollTo 还原滚动位置。 */
            body.menu-open {
                overflow: hidden !important;
                position: fixed !important;
                left: 0 !important;
                right: 0 !important;
                width: 100% !important;
                /* top 由 JS 设为 -scrollY 以保留打开前的滚动位置 */
            }
            .nav-list.open {
                transform: translateX(0);
                visibility: visible;
            }
            /* 顶部留白区的品牌渐变线（避开汉堡按钮） */
            .nav-list::before {
                content: "";
                position: absolute;
                top: 54px;
                right: 24px;
                left: 24px;
                height: 2px;
                border-radius: 2px;
                background: linear-gradient(90deg, rgba(240,196,127,0), rgba(240,196,127,0.7), rgba(240,196,127,0));
            }
            .h_nav ul {
                flex-direction: column;
                height: auto;
            }
            .h_nav ul.open {
                display: flex;
            }
            /* 抽屉内容超出 100vh 时禁止 flex 压缩，避免菜单项重叠 */
            .nav-list > li {
                flex-shrink: 0;
                /* 作为 .sub-toggle 的定位参照 */
                position: relative;
            }
            .h_nav li a {
                font-size: 16px !important;
                height: auto !important;
                line-height: 44px !important;
                padding: 0 24px 0 40px;
                float: none;
                text-align: left;
                white-space: nowrap;
                color: #d9d9df;
                position: relative;
                letter-spacing: 0.5px;
                border-bottom: 1px solid rgba(255,255,255,0.05);
                transition: color 0.25s ease, background 0.25s ease;
            }
            .h_nav li a:after {
                display: none;
            }
            /* 一级菜单 当前项 高亮（只保留 cur 金色竖条，hover/on 无高亮） */
            .nav-list > li > a::before {
                content: "";
                position: absolute;
                left: 0;
                top: 50%;
                width: 3px;
                height: 22px;
                border-radius: 0 3px 3px 0;
                background: linear-gradient(180deg, #f0c47f, #d98e3f);
                transform: translateY(-50%) scaleY(0);
                transition: transform 0.28s ease;
            }
            .nav-list > li.cur > a::before {
                transform: translateY(-50%) scaleY(1);
            }
            .nav-list > li.cur > a {
                color: #fff;
                font-weight: 600;
            }
            /* 一级菜单「展开子菜单」按钮：与文字跳转分离，提供独立 44×44 点击区；
               含子菜单的一级项给文字预留右侧空间，避免与箭头重叠 */
            .nav-list > li.has-sub > a {
                padding-right: 56px;
            }
            .sub-toggle {
                position: absolute;
                top: 0;
                right: 0;
                width: 44px;
                height: 44px;
                display: flex;
                align-items: center;
                justify-content: center;
                cursor: pointer;
                /* 必须高于 .h_nav li a 的 z-index:4（基础规则里锚点是 relative+z-index:4
                   且移动端为 block 铺满整行），否则点击会被锚点抢走直接跳转 */
                z-index: 6;
                -webkit-tap-highlight-color: transparent;
            }
            .sub-toggle::before {
                content: "";
                display: block;
                width: 7px;
                height: 7px;
                border-right: 1.5px solid #8f8f9c;
                border-bottom: 1.5px solid #8f8f9c;
                transform: translateY(2px) rotate(45deg);
                transition: transform 0.28s ease, border-color 0.28s ease;
            }
            .nav-list > li.on > .sub-toggle::before {
                border-color: #f0c47f;
                transform: translateY(-2px) rotate(-135deg);
            }
            .btm .h_nav ul {
                width: 100%;
                float: none;
            }
            .btm .h_nav .h_tel {
                display: none;
            }

            /* 子菜单 */
            .sub_nav {
                position: static;
                background: rgba(24, 24, 31, 0.92);
                width: auto;
                padding: 0;
                border-top: none;
                border-image: none;
                box-shadow: none;
            }
            .nav_main {
                width: auto;
                padding: 0;
            }
            .nav_con {
                width: auto;
                float: none;
            }
            .nav_list {
                display: block;
                width: auto;
                float: none;
            }
            .h_nav li .nav_main .nav_list a {
                width: auto;
                float: none;
                height: 40px;
                line-height: 40px;
                padding-left: 40px;
                padding-right: 24px;
                text-align: left;
                white-space: nowrap;
                box-sizing: border-box;
                color: #b9b9c4;
                font-size: 14px !important;
                position: relative;
                transition: color 0.2s ease, background 0.2s ease;
            }
            /* 选择器带 ul.nav-list 提升优先级，压过桌面端 "a + a:before" 分隔线，
               保证移动端圆点样式完整生效 */
            .h_nav ul.nav-list li .nav_main .nav_list a::before {
                content: "";
                position: absolute;
                left: 24px;
                top: 50%;
                width: 4px;
                height: 4px;
                border-radius: 50%;
                background: rgba(240, 196, 127, 0.5);
                transform: translateY(-50%);
            }
            .h_nav li .nav_main .nav_list a:hover {
                color: #fff;
                background: rgba(255, 255, 255, 0.05);
            }
            /* 移动端关闭桌面端的 hover 金色下划线 */
            .h_nav li .nav_main .nav_list a:after {
                display: none;
            }

            /* ---- Banner轮播 ---- */
            .banner .banMenu {
                display: none;
            }
            .banner .swiper-container {
                height: 50vh;
                min-height: 250px;
            }
            .banner .swiper-wrapper {
                height: 50vh;
                min-height: 250px;
            }
            .banner .swiper-slide {
                height: 50vh;
                min-height: 250px;
            }
            /* 移动端隐藏左右切换按钮，避免与分页器重叠 */
            .banner .swiper-button-prev,
            .banner .swiper-button-next {
                display: none !important;
            }
            /* 移动端分页器：横条进度条样式（横向一行排列，激活段金色拉长） */
            .banner .swiper-container-horizontal > .swiper-pagination-bullets {
                bottom: 12px;
                right: 0;
                left: 0;
                width: 100%;
                text-align: center;
            }
            /* 覆盖桌面端 base 的 display:block（竖向）→ inline-block（横向一行） */
            .banner .swiper-container-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet {
                display: inline-block !important;
                width: 16px;
                height: 4px;
                margin: 0 3px !important;
                border-radius: 2px;
                border: none;
                background: rgba(255, 255, 255, 0.55);
                box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
                opacity: 1;
                transition: all 0.3s ease;
            }
            .banner .swiper-container-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet-active {
                width: 32px;
                border-radius: 2px;
                background: linear-gradient(90deg, #f0c47f, #d98e3f);
                box-shadow: 0 1px 6px rgba(240, 196, 127, 0.5);
                opacity: 1;
            }
            .banner .slide-video .slide-title {
                font-size: 16px;
                bottom: 40px;
                padding: 10px 0 20px;
            }

            /* ---- 侧边工具栏 ---- */
            .client-2 {
                display: none;
            }

            /* ---- 分类导航：移动端两列网格 ---- */
            .ztkc-category-nav {
                padding: 12px 0;
                border-bottom: 1px solid #f0f0f0;
            }
            .ztkc-category-inner {
                width: 100%;
                padding: 0 15px;
                box-sizing: border-box;
            }
            .ztkc-category-list {
                display: flex !important;
                flex-wrap: wrap !important;
                gap: 10px !important;
            }
            .ztkc-category-item {
                display: block !important;
                flex: 0 1 48% !important;
                min-width: 0 !important;
                max-width: 48% !important;
                box-sizing: border-box !important;
                height: 36px !important;
                line-height: 34px !important;
                font-size: 15px !important;
                padding: 0 8px !important;
                text-align: center !important;
                white-space: nowrap !important;
                overflow: hidden !important;
                text-overflow: ellipsis !important;
            }

            /* ---- 底部footer ---- */
            .f_bg {
                height: auto;
                padding: 15px 15px;
                overflow: visible;
            }
            .footer {
                width: 100%;
            }
            .f_ban, .f_nav {
                width: 100%;
                height: auto;
                float: none;
                margin-bottom: 10px;
            }
            .f_ban {
                margin-bottom: 15px;
                text-align: center;
            }
            .f_top, .f_ban i {
                height: 36px;
                line-height: 36px;
                margin-bottom: 5px;
                font-size: 15px;
            }
            .f_top:before {
                display: none;
            }
            .f_ban span i {
                height: 22px;
                line-height: 22px;
                font-size: 13px;
            }
            .f_ban b {
                font-size: 16px;
                line-height: 36px;
                margin-bottom: 3px;
            }
            .f_ban p {
                font-size: 12px;
                line-height: 1.5;
                padding-top: 3px;
                color: rgba(255,255,255,0.4);
            }
            .f_nav {
                height: auto;
                margin-bottom: 12px;
            }
            .f_ul01 {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 8px 10px;
                padding: 0;
            }
            .f_ul01 li {
                height: auto;
                width: 100%;
                margin-bottom: 0;
            }
            .f_ul01 li a {
                height: 32px;
                line-height: 32px;
                margin-bottom: 0;
                font-size: 14px;
                padding-left: 0;
                font-weight: 500;
            }
            .f_ul01 li a:before {
                display: none;
            }
            .f_ul01 .f_ul02 {
                padding: 3px 0 0;
            }
            .f_ul01 .f_ul02 li {
                height: 28px;
                line-height: 28px;
            }
            .f_ul01 .f_ul02 li a {
                height: 28px;
                line-height: 28px;
                font-size: 12px;
                padding-left: 8px;
            }
            .f_qr_strip {
                padding: 10px 0 15px;
            }
            .f_qr_strip .f_top {
                font-size: 14px;
                height: auto;
                line-height: 1.4;
                margin-bottom: 8px;
            }
            .f_qr_strip .f_top:before {
                bottom: -3px;
                left: 50%;
                transform: translateX(-50%);
            }
            .f_qr_grid {
                gap: 10px 12px;
                margin-top: 0;
                padding: 0 5px;
            }
            .f_qr_grid p {
                width: 72px;
            }
            .f_qr_grid p em {
                border-radius: 6px;
                padding: 3px;
                box-shadow: none;
            }
            .f_qr_grid p img {
                width: 100%;
                height: auto;
                background: #fff;
            }
            .f_qr_grid p span {
                font-size: 11px;
                line-height: 1.4;
                padding-top: 5px;
                color: rgba(255,255,255,0.6);
            }
            .f_bot {
                height: auto;
                line-height: 1.4;
                padding: 8px 0;
                text-align: center;
                font-size: 11px;
                color: rgba(255,255,255,0.5);
                border-top: 1px solid rgba(255,255,255,0.08);
                margin-top: 5px;
            }
            .f_bot span {
                padding: 0 5px;
            }
            .f_link {
                width: 100%;
                margin: 10px 0 0;
                padding: 0 15px;
                box-sizing: border-box;
                height: auto;
                line-height: 1.8;
            }
            .f_link p {
                width: 100%;
                float: none;
            }
        }

        /* ========== 小屏手机 (max-width: 480px) ========== */
        @media screen and (max-width: 480px) {
            .header {
                padding: 0 6px 0 10px;
            }
            .h_logo {
                width: auto;
                max-width: 44%;
            }
            .m-nav-item {
                padding: 0 6px;
                font-size: 12.5px;
            }
            .m-nav .mobile-menu-btn {
                flex: 0 0 40px;
                width: 40px;
            }
            .banner .swiper-container,
            .banner .swiper-wrapper,
            .banner .swiper-slide {
                height: 56vh;
                min-height: 280px;
            }
            .banner .swiper-button-prev {
                bottom: 5rem;
            }
            .banner .swiper-button-next {
                bottom: 3rem;
            }
            .h_nav li a {
                font-size: 16px;
                padding: 0 24px 0 40px;
                text-align: left;
            }
        }