/* ========== 1. 全局基础配置 ========== */
        html {
            scrollbar-gutter: auto !important;
        }
        html, body {
            margin: 0; padding: 0; box-sizing: border-box;
            width: 100% !important;
            overflow-x: hidden !important;
            overflow-y: auto !important;
            min-height: 100vh;
            font-size: 18px !important;
            background: #0B0F08;
        }

        :root {
            --primary-dark: #1F2716;
            --primary-main: #5F6941;
            --primary-light: #828D5F;
            --glass-blur: blur(30px);
            --glass-bg-dark: rgba(11, 15, 8, 0.45); /* 稍微加深底色增强对比 */
            --glass-border-dark: 1px solid rgba(255, 255, 255, 0.15);
            --glass-shadow: 0 40px 90px rgba(0, 0, 0, 0.5);
            --radius-pill: 60px;
            --transition-premium: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        }

        body {
            font-family: 'Noto Serif SC', 'Source Han Serif CN', 'PingFang SC', sans-serif !important;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.8;
        }

        /* 🚀 核心骨架容器：保证 1400px 居中 */
        .container {
            width: 100%;
            max-width: 1400px;
            min-width: 0;
            margin: 0 auto !important;
            padding-left: 60px !important;
            padding-right: 60px !important;
            position: relative;
            height: 100vh;
            min-height: 100vh;
        }

        /* ========== 2. Hero 背景大视频 ========== */
        .hero-section {
            height: 100vh !important;
            width: 100% !important;
            position: relative;
            background: transparent !important;
            z-index: 2;
            overflow: hidden;
        }

        .video-background-shell {
            position: absolute;
            top: 0; left: 0;
            width: 100% !important;
            height: 100vh !important;
            overflow: hidden; z-index: 1;
        }
        .video-background-shell video {
            width: 100% !important; height: 100vh !important;
            position: absolute; top: 50%; left: 50%;
            transform: translate(-50%, -50%) translateZ(0) !important;
            object-fit: cover !important;
            image-rendering: -webkit-optimize-contrast;
            image-rendering: crisp-edges;
            backface-visibility: hidden;
        }
        .video-overlay-mask {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(to bottom, rgba(11, 15, 8, 0) 0%, rgba(5, 7, 4, 0) 100%);
            z-index: 2;
        }

        /* ========== 3. 左侧纯净留白艺术文字控制舱 ========== */
        .hero-left-stage {
            position: absolute;
            left: 60px;
            top: 28% !important; /* 调整整体垂直高度 */
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            max-width: 1000px !important;
            z-index: 10;
        }

        .hero-left-stage h1 {
            font-family: 'Noto Serif SC', serif !important;
            font-size: 5.2rem;
            font-weight: 563;
            line-height: 1.1; /* 缩小行高，防止离副标题太远 */
            letter-spacing: 3px;
            color: #ffffff;
            text-shadow: 0 4px 30px rgba(0,0,0,0.5);
            margin-bottom: 18px; /* 减小间距 */
        }

        .chinese-group-wrap p {
            font-family: 'PingFang SC', sans-serif !important;
            font-size: 1.35rem;
            color: rgba(255,255,255,0.9);
            letter-spacing: 4px;
            line-height: 1.6;
            margin-bottom: 6px;
            text-shadow: 0 2px 15px rgba(0,0,0,0.4);
        }

        /* 🚀 贴合副标题的英文小字 */
        .desc-english-sub {
            font-family: 'Times New Roman', Times, serif;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-top: 4px; /* 紧贴上方中文，不再“飞太高” */
        }

        /* ========== 4. 底部整合式胶囊控制舱（全屏居中） ========== */
        .hero-bottom-control-center {
            position: absolute !important; /* 相对于 .container 定位，保证随版心走 */
            bottom: 60px !important;
            left: 50% !important;
            transform: translateX(-50%) !important;
            display: flex !important;
            justify-content: center !important;
            width: auto !important;
            z-index: 999 !important;
            margin: 0 !important;
        }

        .single-unified-capsule {
            background: var(--glass-bg-dark) !important;
            border: var(--glass-border-dark) !important;
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border-radius: var(--radius-pill);
            padding: 8px 16px 8px 36px;
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: var(--glass-shadow);
            transition: var(--transition-premium);
        }
        .single-unified-capsule:hover {
            border-color: rgba(255, 255, 255, 0.35) !important;
            background: rgba(11, 15, 8, 0.6) !important;
        }

        /* 核心服务能力链接项 */
        .capsule-redirect-link {
            display: flex;
            align-items: center;
            gap: 15px;
            color: rgba(255,255,255,0.7);
            background: transparent;
            border: none;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            text-decoration: none;
            transition: var(--transition-premium);
        }
        .capsule-text-top {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
            font-family: 'Times New Roman', Times, serif;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .capsule-text-main {
            font-size: 1.1rem;
            font-weight: 400;
            font-family: 'Noto Serif SC', serif;
            color: rgba(255,255,255,0.9);
            letter-spacing: 1px;
            transition: var(--transition-premium);
        }
        .capsule-redirect-link:hover .capsule-text-main {
            color: var(--primary-light);
            text-shadow: 0 0 10px rgba(130, 141, 95, 0.3);
        }

        .capsule-v-line {
            width: 1px;
            height: 24px;
            background: rgba(255, 255, 255, 0.18);
        }

        /* 胶囊内置微型操作按钮：EXPLORE & MORE */
        .btn-capsule-action {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 8px 22px;
            border-radius: var(--radius-pill);
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-decoration: none;
            transition: var(--transition-premium);
        }
        .btn-capsule-action:hover {
            background: #ffffff;
            color: var(--primary-dark);
            box-shadow: 0 8px 20px rgba(255,255,255,0.2);
        }

        /* 手势触控层优先级提高 */
        .hero-left-stage *, .hero-bottom-control-center *, .hero-bottom-control-center a {
            position: relative !important;
            z-index: 99999 !important;
            pointer-events: auto !important;
        }

        /* ========== 🎭 多米诺级错落动画序列 ========== */
        .wait-for-video { opacity: 0; }
        .hero-left-stage.wait-for-video {
            transform: translateX(-50px);
            transition: opacity 1.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), transform 1.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
            transition-delay: 0.4s !important;
        }
        .hero-bottom-control-center.wait-for-video {
            opacity: 0;
            transform: translate(-50%, 35px) !important;
            transition: opacity 1.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), transform 1.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
            transition-delay: 0.8s !important;
        }

        /* 🚀 动画激活状态：必须严格保持 translateX(-50%) */
        .hero-left-stage.video-finished-active {
            opacity: 1 !important;
            transform: translateX(0) !important;
        }
        .hero-bottom-control-center.video-finished-active {
            opacity: 1 !important;
            transform: translate(-50%, 0) !important;
        }

        /* ========== 🚀 手机端/竖屏/细长屏幕 专项对齐优化 ========== */
        @media screen and (max-aspect-ratio: 13/9), screen and (max-width: 1024px) {
            /* 1. 胶囊位置向上提，紧贴画面主体 */
            .hero-bottom-control-center {
                bottom: 15vh !important;
            }

            /* 2. 左侧文字略微向上收缩，避免撞到胶囊 */
            .hero-left-stage {
                top: 22% !important;
            }
        }