/* ===== 全局重置 & 基础 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* 页面主体：黑色背景，白色文字，无水平滚动，平滑滚动 */
        body {
            background-color: #000000;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: #ffffff;
            overflow-x: hidden;
            scroll-behavior: smooth;
        }

        /* 自定义滚动条样式（深色主题） */
        ::-webkit-scrollbar {
            width: 6px;
        }

        ::-webkit-scrollbar-track {
            background: #0a0a0a;
        }

        ::-webkit-scrollbar-thumb {
            background: #2c2c3a;
            border-radius: 6px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #4a4a6a;
        }

        /* ===== 导航栏容器 ===== */
        /* 固定顶部导航栏：毛玻璃效果，深色背景 */
        .navbar {
            background: rgba(6, 6, 14, 1);
            -webkit-backdrop-filter: blur(32px) saturate(1.5);
            backdrop-filter: blur(32px) saturate(1.5);
            padding: 0.9rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
            box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.02);
            transition: all 0.4s ease;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
        }

        /* 滚动后导航栏样式：更透明，增强模糊 */
        .navbar.scrolled {
            background: rgba(4, 4, 12, 0.75);
            -webkit-backdrop-filter: blur(40px) saturate(1.6);
            backdrop-filter: blur(40px) saturate(1.6);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            box-shadow: 0 8px 60px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.03);
        }

        /* 导航栏品牌Logo区域 */
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.5rem;
            letter-spacing: -0.02em;
            color: #ffffff !important;
            text-decoration: none;
            position: relative;
            padding: 0.2rem 0;
        }

        /* Logo图片样式：带发光阴影 */
        .navbar-brand img {
            height: 50px;
            width: auto;
            filter: drop-shadow(0 0 16px rgba(100, 160, 255, 0.12));
            transition: filter 0.4s ease;
        }

        /* Logo悬停增强发光 */
        .navbar-brand:hover img {
            filter: drop-shadow(0 0 30px rgba(100, 160, 255, 0.25));
        }

        /* 品牌文字：渐变色效果 */
        .brand-text {
            font-weight: 600;
            font-size: 1.25rem;
            background: linear-gradient(135deg, #ffffff 20%, #8ab4ff 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.02em;
        }

        /* 导航链接列表容器 */
        .navbar-nav {
            gap: 0.15rem;
            align-items: center;
        }

        .nav-item {
            position: relative;
        }

        /* 导航链接基础样式：圆角胶囊按钮 */
        .navbar-nav .nav-link {
            font-weight: 700;
            font-size: 1.1rem;
            padding: 0.55rem 1.2rem;
            color: rgb(255, 255, 255) !important;
            border-radius: 40px;
            transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            position: relative;
            letter-spacing: 0.01em;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            white-space: nowrap;
        }

        /* 导航链接图标透明度 */
        .navbar-nav .nav-link i {
            font-size: 0.9rem;
            opacity: 0.5;
            transition: opacity 0.3s ease;
        }

        /* 导航链接悬停/激活状态 */
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: #ffffff !important;
            background: rgba(255, 255, 255, 0.05);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 0 24px rgba(138, 180, 255, 0.04);
        }

        .navbar-nav .nav-link:hover i,
        .navbar-nav .nav-link.active i {
            opacity: 1;
        }

        /* 导航链接底部渐变装饰线（悬停/激活时显示） */
        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            border-radius: 4px;
            background: linear-gradient(90deg, #6a8cff, #a78bfa, #6a8cff);
            background-size: 200% 100%;
            transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
            transform-origin: center;
            opacity: 0.5;
        }

        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
            animation: shimmerLine 2s ease-in-out infinite;
        }

        /* 渐变线闪烁动画 */
        @keyframes shimmerLine {

            0%,
            100% {
                background-position: 0% 50%;
            }

            50% {
                background-position: 100% 50%;
            }
        }

        /* 下拉菜单头部容器（包含链接和箭头按钮） */
        .dropdown-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 0;
        }

        .dropdown-header .nav-link {
            flex: 1;
            margin: 0;
        }

        /* ===== 桌面端（≥992px）下拉菜单样式 ===== */
        @media (min-width: 992px) {
            .navbar-nav {
                gap: 5rem;
            }

            /* 普通下拉菜单：弹出式，带圆角和阴影 */
            .dropdown .dropdown-menu:not(.dropdown-menu-mega) {
                position: absolute;
                top: calc(100% + 0.5rem);
                left: 50%;
                transform: translateX(-50%) translateY(8px) scale(0.97);
                min-width: 260px;
                padding: 0.8rem 0.6rem;
                background: rgba(255, 255, 255, 0.97);
                -webkit-backdrop-filter: blur(24px) saturate(1.3);
                backdrop-filter: blur(24px) saturate(1.3);
                border: 1px solid rgba(0, 0, 0, 0.06);
                border-radius: 18px;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.8);
                display: block !important;
                opacity: 0;
                visibility: hidden;
                pointer-events: none;
                transform-origin: top center;
                transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.3s;
                transition-delay: 0.25s, 0.25s, 0.25s;
            }

            /* 下拉菜单顶部透明桥接区域（防止鼠标移出时菜单消失） */
            .dropdown .dropdown-menu:not(.dropdown-menu-mega)::before {
                content: '';
                position: absolute;
                top: -16px;
                left: 0;
                width: 100%;
                height: 16px;
                background: transparent;
                pointer-events: auto;
            }

            /* 悬停时显示下拉菜单 */
            .dropdown:hover .dropdown-menu:not(.dropdown-menu-mega) {
                opacity: 1;
                visibility: visible;
                transform: translateX(-50%) translateY(0) scale(1);
                pointer-events: auto;
            }

            /* 下拉菜单项样式 */
            .dropdown-menu:not(.dropdown-menu-mega) .dropdown-item {
                color: rgba(0, 0, 0, 0.8);
                font-weight: 600;
                font-size: 1rem;
                padding: 0.6rem 1.4rem;
                border-radius: 10px;
                transition: all 0.2s ease;
                display: flex;
                align-items: center;
                gap: 0.6rem;
                background: transparent;
            }

            .dropdown-menu:not(.dropdown-menu-mega) .dropdown-item i {
                width: 1.4rem;
                text-align: center;
                font-size: 1.5rem;
                transition: color 0.2s;
            }

            .dropdown-menu:not(.dropdown-menu-mega) .dropdown-item:hover {
                background: rgba(0, 0, 0, 0.04);
                color: #000000;
            }

            .dropdown-divider {
                border-top: 1px solid rgba(0, 0, 0, 0.06);
                margin: 0.3rem 1rem;
            }

            /* 中等屏幕（992-1200px）导航栏间距适配 */
            @media (min-width: 992px) and (max-width: 1199.98px) {
                .navbar-nav {
                    gap: clamp(0.5rem, 1.5vw, 2.5rem);
                }

                .navbar-nav .nav-link {
                    font-size: 0.95rem;
                    padding: 0.45rem 0.9rem;
                }

                .navbar-brand img {
                    height: 42px;
                }

                .btn-outline-light-custom {
                    padding: 0.4rem 1.1rem;
                    font-size: 0.9rem;
                }

                .dropdown-menu-mega {
                    transform: translateX(-50%) translateY(10px) scale(0.98) !important;
                }

                .dropdown:hover .dropdown-menu-mega {
                    transform: translateX(-50%) translateY(0) scale(1) !important;
                }
            }

            /* Mega Menu（大型下拉菜单）：三列网格布局 */
            .dropdown-menu-mega {
                position: absolute;
                top: calc(100% + 0.5rem);
                left: 50%;
                transform: translateX(-50%) translateY(10px) scale(0.98);
                width: 100vw;
                max-width: 1280px;
                padding: 2.8rem 3rem;
                background: rgba(255, 255, 255, 0.97);
                -webkit-backdrop-filter: blur(32px) saturate(1.5);
                backdrop-filter: blur(32px) saturate(1.5);
                border: 1px solid rgba(0, 0, 0, 0.06);
                border-radius: 30px;
                box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.8);
                display: grid !important;
                grid-template-columns: 1fr 1fr 1fr;
                gap: 2.5rem;
                opacity: 0;
                visibility: hidden;
                pointer-events: none;
                transition: opacity 0.4s ease, transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.4s;
                transform-origin: top center;
                transition-delay: 0.25s, 0.25s, 0.25s;
            }

            /* 悬停显示Mega Menu */
            .dropdown:hover .dropdown-menu-mega {
                opacity: 1;
                visibility: visible;
                transform: translateX(-50%) translateY(0) scale(1);
                pointer-events: auto;
                transition-delay: 0s, 0s, 0s;
            }

            /* Mega Menu顶部透明桥接区域 */
            .dropdown-menu-mega::before {
                content: '';
                position: absolute;
                top: -20px;
                left: 0;
                width: 100%;
                height: 20px;
                background: transparent;
                pointer-events: auto;
            }

            .dropdown-menu-mega {
                left: 50% !important;
                transform: translateX(-50%) translateY(10px) scale(0.98) !important;
            }

            .dropdown:hover .dropdown-menu-mega {
                transform: translateX(-50%) translateY(0) scale(1) !important;
            }

            /* 不同屏幕尺寸下Mega Menu的偏移适配 */
            @media (min-width: 992px) and (max-width: 1200px) {
                .dropdown-menu-mega {
                    transform: translateX(calc(-50% + 115px)) translateY(10px) scale(0.98) !important;
                }

                .dropdown:hover .dropdown-menu-mega {
                    transform: translateX(calc(-50% + 115px)) translateY(0) scale(1) !important;
                }
            }

            @media (min-width: 1200px) and (max-width: 1600px) {
                .dropdown-menu-mega {
                    transform: translateX(calc(-50% + 160px)) translateY(10px) scale(0.98) !important;
                }

                .dropdown:hover .dropdown-menu-mega {
                    transform: translateX(calc(-50% + 160px)) translateY(0) scale(1) !important;
                }
            }

            /* Mega Menu列样式 */
            .mega-col {
                position: relative;
                overflow: hidden;
                display: flex;
                flex-direction: column;
                gap: 0.5rem;
                border-radius: 18px;
                padding: 0.8rem 0.6rem 0.8rem 0.6rem;
                transition: background 0.3s ease;
            }

            /* Mega Menu背景装饰图标（大尺寸SVG） */
            .mega-bg-icon {
                position: absolute;
                right: -10px;
                bottom: -10px;
                font-size: 160px;
                opacity: 0.1;
                color: #4a6aff;
                pointer-events: none;
                z-index: 0;
                line-height: 1;
                transform: rotate(-4deg);
                filter: drop-shadow(0 0 40px rgba(74, 106, 255, 0.08));
                transition: opacity 0.4s ease, transform 0.4s ease;
            }

            .mega-col:hover .mega-bg-icon {
                opacity: 0.5;
                transform: rotate(-10deg) scale(1.02);
            }

            .mega-col-title,
            .mega-col a {
                position: relative;
                z-index: 1;
            }

            /* Mega Menu列标题 */
            .mega-col-title {
                font-weight: 700;
                font-size: 1.05rem;
                color: #1a1a2e;
                letter-spacing: 0.03em;
                margin-bottom: 0.6rem;
                display: flex;
                align-items: center;
                gap: 0.5rem;
                border-bottom: 1px solid rgba(0, 0, 0, 0.06);
                padding-bottom: 0.6rem;
            }

            .mega-col-title i {
                color: #4a6aff;
                font-size: 0.95rem;
                opacity: 0.8;
            }

            /* Mega Menu链接样式 */
            .mega-col a {
                color: rgba(0, 0, 0, 0.7);
                text-decoration: none;
                font-weight: 600;
                font-size: 1rem;
                padding: 0.4rem 0.6rem;
                border-radius: 8px;
                transition: all 0.2s ease;
                display: flex;
                align-items: center;
                gap: 0.4rem;
            }

            .mega-col a:hover {
                color: #000000;
                background: rgba(0, 0, 0, 0.04);
                padding-left: 0.6rem;
            }

            .mega-col a i {
                font-size: 0.7rem;
                opacity: 0.3;
                transition: opacity 0.2s;
                color: #4a6aff;
            }

            .mega-col a:hover i {
                opacity: 0.8;
            }

            /* 桌面端隐藏下拉箭头按钮 */
            .dropdown-arrow-btn {
                display: none !important;
            }
        }

        /* ===== 移动端（<992px）下拉菜单适配 ===== */
        @media (max-width: 992px) {

            /* 折叠菜单容器：可滚动，毛玻璃背景 */
            .navbar-collapse {
                max-height: calc(100vh - 80px);
                overflow-y: auto;
                transition: max-height 0.35s ease-in-out;
                padding: 0.5rem 0 1.5rem;
                /* Removed unsupported prefixed property '-webkit-overflow-scrolling' to avoid compatibility warnings.
                         For consistent touch scrolling behavior use standard properties if needed (e.g. touch-action, overscroll-behavior).
                     */
                background: transparent;
            }

            .navbar-collapse::-webkit-scrollbar {
                width: 3px;
            }

            .navbar-collapse::-webkit-scrollbar-track {
                background: transparent;
            }

            .navbar-collapse::-webkit-scrollbar-thumb {
                background: rgba(138, 180, 255, 0.2);
                border-radius: 6px;
            }

            .navbar-nav .nav-link {
                padding: 0.6rem 1rem;
                font-size: 1.05rem;
                border-radius: 12px;
                color: rgba(255, 255, 255, 0.85) !important;
            }

            .navbar-nav .nav-link:hover {
                background: rgba(255, 255, 255, 0.04);
                color: #ffffff !important;
            }

            .navbar-nav .nav-link::after {
                display: none !important;
            }

            /* 移动端下拉菜单：静态展示，带圆角 */
            .dropdown .dropdown-menu:not(.dropdown-menu-mega) {
                position: static;
                float: none;
                background: rgba(255, 255, 255, 0.97);
                -webkit-backdrop-filter: blur(8px);
                backdrop-filter: blur(8px);
                border: 1px solid rgba(0, 0, 0, 0.06);
                border-radius: 14px;
                margin: 0.2rem 0 0.4rem 0.8rem;
                padding: 0.4rem 0.2rem;
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
                display: none;
            }

            .dropdown .dropdown-menu.show {
                display: block;
            }

            .dropdown-menu .dropdown-item {
                color: rgba(0, 0, 0, 0.8);
                font-weight: 600;
                font-size: 1rem;
                padding: 0.5rem 1.2rem;
                border-radius: 8px;
                transition: 0.15s;
                display: flex;
                align-items: center;
                gap: 0.6rem;
            }

            .dropdown-menu .dropdown-item:hover {
                background: rgba(0, 0, 0, 0.04);
                color: #000000;
            }

            .dropdown-menu .dropdown-item i {
                width: 1.4rem;
                text-align: center;
                font-size: 1.5rem;
                color: rgba(0, 0, 0, 0.25);
            }

            /* 移动端Mega Menu：纵向排列 */
            .dropdown-menu-mega {
                display: none !important;
                flex-direction: column !important;
                min-width: auto !important;
                padding: 0.6rem 0.4rem !important;
                background: rgba(255, 255, 255, 0.97) !important;
                -webkit-backdrop-filter: blur(8px) !important;
                backdrop-filter: blur(8px) !important;
                border: 1px solid rgba(0, 0, 0, 0.06) !important;
                border-radius: 14px !important;
                margin: 0.2rem 0 0.4rem 0.8rem;
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15) !important;
                gap: 0.25rem;
            }

            .dropdown-menu-mega.show {
                display: block !important;
            }

            .dropdown-menu-mega .mega-col {
                margin-bottom: 0.5rem;
                position: relative;
                overflow: hidden;
                border-radius: 12px;
                padding: 0.4rem 0.4rem 0.4rem 0.4rem;
            }

            .dropdown-menu-mega .mega-bg-icon {
                position: absolute;
                right: 0px;
                bottom: 0px;
                font-size: 72px;
                opacity: 0.045;
                color: #4a6aff;
                pointer-events: none;
                z-index: 0;
                line-height: 1;
                transform: rotate(-2deg);
            }

            .dropdown-menu-mega .mega-col-title,
            .dropdown-menu-mega .mega-col a {
                position: relative;
                z-index: 1;
            }

            .dropdown-menu-mega .mega-col-title {
                font-weight: 700;
                font-size: 0.95rem;
                color: #1a1a2e;
                padding: 0.2rem 0.4rem;
                border-bottom: 1px solid rgba(0, 0, 0, 0.06);
                display: flex;
                align-items: center;
                gap: 0.4rem;
            }

            .dropdown-menu-mega .mega-col-title i {
                color: #4a6aff;
            }

            .dropdown-menu-mega .mega-col a {
                color: rgba(0, 0, 0, 0.7);
                font-weight: 600;
                font-size: 0.92rem;
                padding: 0.25rem 0.8rem;
                display: flex;
                align-items: center;
                gap: 0.4rem;
                text-decoration: none;
                border-radius: 6px;
                transition: 0.15s;
            }

            .dropdown-menu-mega .mega-col a:hover {
                background: rgba(0, 0, 0, 0.04);
                color: #000000;
            }

            .dropdown-divider {
                border-top: 1px solid rgba(0, 0, 0, 0.06);
                margin: 0.2rem 1rem;
            }

            /* 移动端显示下拉箭头按钮 */
            .dropdown-arrow-btn {
                display: inline-flex !important;
                align-items: center;
                justify-content: center;
                background: rgba(255, 255, 255, 0.06);
                border: none;
                color: rgba(255, 255, 255, 0.5);
                font-size: 0.8rem;
                padding: 0.3rem 0.7rem;
                border-radius: 8px;
                transition: all 0.25s ease;
                cursor: pointer;
                flex-shrink: 0;
                margin-left: 0.2rem;
            }

            .dropdown-arrow-btn:hover,
            .dropdown-arrow-btn:focus {
                color: #ffffff;
                background: rgba(255, 255, 255, 0.10);
            }

            /* 箭头旋转动画（菜单展开时） */
            .dropdown-arrow-btn.rotated i {
                transform: rotate(180deg);
            }

            .dropdown-arrow-btn i {
                transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
            }
        }

        /* ===== 通用按钮样式 ===== */
        /* 自定义轮廓按钮（浅色边框） */
        .btn-outline-light-custom {
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.02);
            color: rgb(255, 255, 255);
            border-radius: 40px;
            padding: 0.5rem 1.6rem;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
            -webkit-backdrop-filter: blur(4px);
            backdrop-filter: blur(4px);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .btn-outline-light-custom i {
            font-size: 0.9rem;
            opacity: 0.6;
            transition: opacity 0.3s;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 30px rgba(138, 180, 255, 0.06);
            transform: translateY(-1px);
        }

        .btn-outline-light-custom:hover i {
            opacity: 1;
        }

        /* 汉堡菜单按钮样式 */
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            padding: 0.5rem 0.6rem;
            transition: border-color 0.3s;
            min-width: 44px;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .navbar-toggler:hover {
            border-color: rgba(255, 255, 255, 0.15);
        }

        .navbar-toggler-icon {
            filter: invert(1) brightness(0.7);
            width: 1.2em;
            height: 1.2em;
        }

        /* ===== Hero区域（首页大横幅）===== */
        .hero-section {
            min-height: 100dvh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding-top: 80px;
        }

        /* Hero背景图片层 */
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: #050b18;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 0;
        }

        /* Hero遮罩层（半透明黑色） */
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1;
        }

        /* Hero轮播幻灯片 */
        .hero-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0;
            transition: opacity 1.8s ease-in-out;
            z-index: 0;
            will-change: opacity;
        }

        .hero-slide.active {
            opacity: 1;
        }

        .hero-slide picture,
        .hero-slide img {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: cover;
            /* 保持比例覆盖 */
        }

        /* Hero光晕装饰元素 */
        .hero-glow {
            position: absolute;
            border-radius: 50%;
            filter: blur(120px);
            pointer-events: none;
            z-index: 1;
        }

        .hero-glow-1 {
            width: 600px;
            height: 600px;
            background: rgba(74, 106, 255, 0.12);
            top: -10%;
            right: -10%;
        }

        .hero-glow-2 {
            width: 400px;
            height: 400px;
            background: rgba(167, 139, 250, 0.08);
            bottom: -10%;
            left: -5%;
        }

        .hero-glow-3 {
            width: 200px;
            height: 200px;
            background: rgba(74, 106, 255, 0.06);
            top: 40%;
            left: 40%;
        }

        /* Hero文字内容层 */
        .hero-content {
            position: relative;
            z-index: 2;
        }

        /* Hero顶部标签徽章 */
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.04);
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 60px;
            padding: 0.4rem 1.2rem 0.4rem 0.6rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1.5rem;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4a6aff;
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        /* 圆点脉冲动画 */
        @keyframes pulse-dot {

            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }

            50% {
                opacity: 0.4;
                transform: scale(0.6);
            }
        }

        /* Hero标题 */
        .hero-title {
            font-size: clamp(2.6rem, 8vw, 5.2rem);
            font-weight: 700;
            line-height: 1.08;
            letter-spacing: -0.03em;
            margin-bottom: 1.2rem;
        }

        /* 高亮文字（渐变色） */
        .hero-title .highlight {
            background: linear-gradient(135deg, #8ab4ff, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        /* Hero描述文字 */
        .hero-desc {
            font-size: clamp(1rem, 1.4vw, 1.25rem);
            color: rgba(255, 255, 255, 0.7);
            max-width: 620px;
            line-height: 1.7;
        }

        /* Hero操作按钮容器 */
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2rem;
        }

        /* 主色调发光按钮 */
        .btn-primary-glow {
            background: linear-gradient(135deg, #4a6aff, #7c5cfc);
            border: none;
            border-radius: 40px;
            padding: 0.75rem 2rem;
            font-weight: 600;
            transition: all 0.3s ease;
            color: #fff;
        }

        .btn-primary-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(74, 106, 255, 0.35);
            background: linear-gradient(135deg, #5a7aff, #8c6cfc);
            color: #fff;
        }

        /* 轮廓按钮 */
        .btn-outline-light {
            border-radius: 40px;
            padding: 0.7rem 1.8rem;
            font-weight: 500;
            border-color: rgba(255, 255, 255, 0.15);
            color: rgba(255, 255, 255, 0.8);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }

        /* 明星产品图片统一管理 */
        .product-img {
            max-height: 380px;
            /* 统一高度限制，可按需调整 */
            object-fit: contain;
            /* 保持比例，不裁剪 */
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            cursor: pointer;
        }

        .product-img:hover {
            transform: scale(1.03);
            box-shadow: 0 12px 40px rgba(74, 106, 255, 0.25);
        }

        /* 渐变色分割线 */
        .Line {
            height: 1px;
            background: -webkit-linear-gradient(left, rgba(255, 255, 255, 0), #5DDDD3, rgba(255, 255, 255, 0));
            background: linear-gradient(to right, rgba(255, 255, 255, 0), #5DDDD3, rgba(255, 255, 255, 0));
        }

        /* 区块标题 */
        .section-title {
            font-size: 3rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }

        /* 区块副标题 */
        .section-sub {
            color: #9a9aa5;
            font-size: 1.1rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 深色卡片（毛玻璃效果） */
        .dark-card {
            background: rgba(18, 18, 24, 0.7);
            -webkit-backdrop-filter: blur(2px);
            backdrop-filter: blur(2px);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 28px;
            transition: all 0.3s ease;
            height: 100%;
            padding: 1.8rem 1.5rem;
        }

        .dark-card:hover {
            transform: translateY(-6px);
            border-color: rgba(100, 140, 255, 0.25);
            background: rgba(28, 28, 38, 0.8);
            box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.5);
        }

        .dark-card .row a[href] {
            display: block;
            overflow: hidden;
            border-radius: 1rem;
            /* 与图片圆角保持一致 */
        }

        .dark-card .row a[href] img {
            border-radius: 0;
            /* 移除图片本身的圆角，由父级裁剪 */
            transition: transform 0.4s ease;
        }

        /* 技术图标：渐变色文字 */
        .tech-icon {
            font-size: 2.5rem;
            background: linear-gradient(135deg, #8ab4ff, #c8b0ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1.2rem;
        }

        /* 统计数字：大号渐变文字 */
        .stat-number {
            font-size: 3rem;
            padding: 3rem 0 0 0;
            font-weight: 800;
            background: linear-gradient(135deg, #fff, #b8c8ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-align: center;
            display: block;
        }

        /* 客户评价卡片 */
        .testimonial-card {
            background: rgba(10, 10, 14, 0.85);
            border-radius: 2rem;
            border: 1px solid rgba(255, 255, 255, 0.04);
            padding: 2rem;
            transition: 0.2s;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .testimonial-card:hover {
            transform: translateY(-6px);
            border-color: rgba(100, 140, 255, 0.2);
            box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.5);
        }

        .testimonial-text {
            font-size: 1.05rem;
            line-height: 1.5;
            color: #dddddd;
        }

        .testimonial-author {
            font-weight: 600;
            margin-top: 1rem;
            color: white;
        }

        /* 规格标签 */
        .spec-badge {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 60px;
            padding: 0.5rem 1rem;
            font-weight: 500;
            font-size: 0.9rem;
            color: #ddddff;
            border: 1px solid rgba(255, 255, 255, 0.04);
        }

        /* 产品展示图片 */
        .star-img {
            max-width: 100%;
            height: auto;
            border-radius: 1rem;
        }

        /* ===== 合作伙伴Logo轮播样式 ===== */
        .partner-carousel {
            position: relative;
            overflow: hidden;
            border-radius: 20px;
            background: rgba(10, 10, 18, 0.6);
            padding: 5px 5px;
        }

        .partner-carousel-track {
            display: flex;
            transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* 每个Slide使用Grid布局，默认4列（桌面端） */
        .partner-slide {
            flex: 0 0 100%;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px 15px;
            padding: 15px 10px;
            min-height: 120px;
            align-items: center;
            justify-items: center;
        }

        /* 每个Logo项：居中显示，宽度自适应 */
        .partner-logo-item {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 100%;

        }

        .partner-logo-item img {
            max-width: 100%;
            max-height: 110px;
            width: auto;
            height: auto;
            object-fit: contain;
            filter: brightness(1) grayscale(0.1);
            transition: filter 0.3s ease, transform 0.3s ease;
            border-radius: 8px;
        }

        .partner-logo-item img:hover {
            filter: brightness(1) grayscale(0);
            transform: scale(1.05);
        }

        /* 指示器圆点 */
        .partner-carousel-indicators {
            display: flex;
            justify-content: center;
            gap: 0;
            margin-top: 12px;
        }

        .indicator-dot {
            position: relative;
            width: 44px;
            height: 44px;
            border: none;
            background: transparent;
            cursor: pointer;
            padding: 0;
        }

        .indicator-dot::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            transform: translate(-50%, -50%);
            transition: background 0.3s ease, transform 0.3s ease;
        }

        .indicator-dot.active::before {
            background: #8ab4ff;
            transform: translate(-50%, -50%) scale(1.3);
        }

        .indicator-dot:hover::before,
        .indicator-dot:focus-visible::before {
            background: rgba(138, 180, 255, 0.6);
        }

        /* 响应式调整 */
        /* 平板端：≤768px → 2列（2行2列） */
        @media (max-width: 768px) {
            .partner-slide {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px 20px;
                padding: 10px 5px;
                min-height: 100px;
            }

            .partner-logo-item img {
                max-height: 90px;
                max-width: 80%;
            }
        }

        /* 手机端：≤576px → 1列（4行1列） */
        @media (max-width: 576px) {
            .partner-slide {
                grid-template-columns: repeat(1, 1fr);
                gap: 12px 0;
                padding: 8px 0;
                /* Use 0 instead of 'auto' for better compatibility (Firefox warning) */
                min-height: 0;
            }

            .partner-logo-item {
                display: flex;
                width: 100%;
                padding: 4px 0;
                justify-content: center;
                align-items: center;
            }

            .partner-logo-item > a {
                display: flex;
                width: 100%;
                justify-content: center;
                align-items: center;
            }

            .partner-logo-item img {
                display: block;
                margin-inline: auto;
                max-height: 70px;
                max-width: 60%;
            }

            .partner-carousel {
                padding: 15px 5px;
            }
        }

        /* 固定高度卡片（客户案例/新闻动态区域） */
        .fixed-card {
            min-height: 380px;
            /* 改为最小高度，允许内容撑开 */
            display: flex;
            flex-direction: column;
            padding: 1.8rem 1.5rem;
            /* 移除 overflow:hidden，让内容完整可见 */
        }

        /* 让内部列表自动撑满剩余空间 */
        .fixed-card ul {
            flex: 1;
            margin-bottom: 0;
        }

        .fixed-card .tech-icon {
            margin-bottom: 0.8rem;
        }

        .fixed-card .btn {
            align-self: flex-start;
        }

        .home-article-link {
            display: block;
            color: #d8d8e8;
            text-decoration: none;
            border-radius: 0.35rem;
            transition: color 0.2s ease, background-color 0.2s ease;
        }

        .home-article-link:hover,
        .home-article-link:focus-visible {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.06);
            outline: none;
        }

        .home-article-excerpt {
            color: #8898b8;
            font-size: 0.85rem;
            margin: 0;
        }

        .home-news-divider {
            border: 0;
            border-top: 2px solid rgba(255, 255, 255, 0.5);
            margin: 0.35rem 0 0.75rem;
        }

        .equal-height {
            min-height: 750px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .equal-height>.container {
            width: 100%;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        /* ===== 页脚样式 ===== */
        footer {
            background-color: #000000;
            text-align: center;
            padding: 2rem;
            color: #d1d5db;
            margin-top: 3rem;
        }

        .footer-dark {
            background-color: #000000;
            border-top: 1px solid #15273f;
            padding: 3rem 0 2rem;
        }

        footer p {
            margin-bottom: 0.25rem;
        }

        footer .small {
            color: #9ca3af;
        }

        footer a {
            color: #a0b4c8 !important;
            transition: color 0.2s;
        }

        footer a:hover {
            color: #38bdf8 !important;
            text-decoration: none;
        }

        /* 页脚二维码图片 */
        footer .qr-img {
            width: 120px;
            height: 120px;
            margin-bottom: 10px;
            flex-shrink: 0;
            align-self: center;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            padding: 4px;
            background: #0a0a0a;
        }

        /* ===== 响应式断点适配 ===== */
        /* 平板端（≤768px） */
        @media (max-width: 768px) {
            .navbar {
                padding: 0.5rem 0;
            }

            .navbar-brand img {
                height: 36px;
            }

            .hero-section {
                /* 'min-height: auto' has compatibility issues in older Firefox.
                   Use min-height: 0 and height: auto for broader support */
                min-height: 0;
                height: auto;
                padding-top: 100px;
                padding-bottom: 2.5rem;
            }

            .hero-title {
                font-size: 2.3rem;
                line-height: 1.25;
            }

            .hero-desc {
                font-size: 1rem;
                max-width: 100%;
            }

            .hero-actions .btn {
                padding: 0.6rem 1.4rem;
                font-size: 0.95rem;
                min-height: 44px;
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .section-title {
                font-size: 2rem;
            }

            .section-sub {
                font-size: 1rem;
            }

            .stat-number {
                font-size: 2.2rem;
            }

            .dark-card,
            .testimonial-card {
                padding: 1.4rem;
            }

            .fixed-card {
                height: auto;
                min-height: 320px;
            }

            .testimonial-card img {
                margin-bottom: 1rem;
            }

            footer .col-md-3 {
                text-align: center;
            }

            footer .qr-img {
                margin: 0 auto 10px auto;
            }

            footer .row.flex-grow-1 {
                margin-bottom: 2rem;
            }

            .btn-outline-light-custom {
                padding: 0.4rem 1.2rem;
                font-size: 0.9rem;
            }

            .equal-height {
                min-height: auto;
                height: auto;
                overflow: visible;
                justify-content: flex-start;
            }

            .equal-height>.container {
                justify-content: flex-start;
            }

            .equal-height .row.g-5 {
                --bs-gutter-x: 1.5rem;
                --bs-gutter-y: 1.5rem;
            }
        }

        /* 手机端（≤576px） */
        @media (max-width: 576px) {
            .navbar {
                padding: 0.4rem 0;
            }

            .navbar-brand img {
                height: 32px;
            }

            .hero-title {
                font-size: 1.8rem;
            }

            .hero-actions {
                flex-direction: column;
                gap: 0.8rem;
            }

            .btn-outline-light-custom {
                padding: 0.35rem 1rem;
                font-size: 0.8rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .product-card .product-img-wrap img {
                max-height: 150px;
            }

            .partner-logo-grid {
                grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
            }

            .stats-row .row .col-md-4 {
                margin-bottom: 1rem;
            }

            footer .small {
                font-size: 0.8rem;
            }
        }