/* ========== 1. 顶奢全景深色系毛玻璃色彩体系（全面推高 150% 比例） ========== */
        :root {
            --primary-dark: #1F2716;
            --primary-main: #5F6941;
            --primary-light: #828D5F;

            /* 图片核心参数：深色高阶毛玻璃 */
            --glass-blur: blur(30px); /* 强化迷雾扩散质感 */
            --glass-card-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
            --glass-border-light: 1px solid rgba(255, 255, 255, 0.2);
            --glass-border-dark: 1px solid rgba(255, 255, 255, 0.08);
            --glass-shadow: 0 40px 80px rgba(0, 0, 0, 0.45);

            --radius-pill: 60px;
            --radius-lg: 28px;
            --radius-xl: 36px;
            --transition-premium: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html {
            scroll-behavior: smooth;
            font-size: 18px !important; /* 核心：提升物理基础像素，强制 100% 呈现 150% 浑厚感 */
        }

        /* ⚡ 100% 像素级对齐 about.html 的背景滤镜涂层 */
        body {
            font-family: 'Noto Serif SC', 'Source Han Serif CN', 'PingFang SC', sans-serif !important;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.9;
            overflow-x: hidden;
            background: linear-gradient(to bottom, rgba(11, 15, 8, 0) 0%, rgba(5, 7, 4, 0) 100%),
                        url("/static/banner/微信图片_20260722114631_37_19.png?v=1.1") center/cover no-repeat fixed;
        }

        /* 扩增外层容器最大宽度至 1600px，舒展两端空间轨道 */
        .container {
            max-width: 1600px;
            padding-left: 45px;
            padding-right: 45px;
        }

        /* ========== 顶置沉浸式页头（同步 about.html 质感） ========== */
        .page-header-premium {
            min-height: 460px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding-top: 110px;
            position: relative;
            background: linear-gradient(to bottom, rgba(0,0,0,0), rgba(11,15,8,0)),
                        var(--cms-page-background, url("/static/banner/微信图片_20260722114631_37_19.png?v=1.1")) center/cover no-repeat fixed;
        }
        .page-header-premium::after {
            content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 120px;
            background: linear-gradient(to bottom, transparent, rgba(11, 15, 8, 0));
        }
        .page-header-content { text-align: center; z-index: 2; }
        .page-header-premium h1 {
            font-family: 'Noto Serif SC', serif !important;
            font-size: 4.2rem;
            font-weight: 300;
            color: #ffffff;
            letter-spacing: 12px;
            margin-bottom: 20px;
            text-shadow: 0 4px 20px rgba(0,0,0,0.6);
        }
        .page-header-premium p {
            font-family: 'PingFang SC', sans-serif;
            font-size: 1.3rem;
            color: rgba(255,255,255,0.6);
            letter-spacing: 4px;
        }

        /* ========== 通用流域规范 ========== */
        .section-premium { padding: 120px 0; position: relative; }

        .section-title-premium { margin-bottom: 90px; text-align: left; }
        .section-title-premium h2 {
            font-family: 'Noto Serif SC', serif !important;
            font-size: 3.2rem;
            font-weight: 300;
            color: #ffffff;
            letter-spacing: 4px;
            text-shadow: 0 4px 15px rgba(0,0,0,0.4);
        }
        .section-title-premium p {
            font-family: 'PingFang SC', sans-serif;
            font-size: 1.2rem;
            color: rgba(255,255,255,0.45);
            max-width: 900px;
            margin-top: 20px;
            line-height: 1.9;
            letter-spacing: 1px;
        }

        /* ========== ⚡ 高奢全透毛玻璃案例卡片（一行一个） ========== */
        .premium-case-card {
            position: relative;
            height: 480px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: var(--glass-border-light) !important;
            box-shadow: var(--glass-shadow);
            transition: var(--transition-premium);
            background: var(--glass-card-bg) !important;
            backdrop-filter: blur(var(--glass-blur)) saturate(180%) !important;
            -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%) !important;
        }
        .premium-case-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 50px 100px rgba(0,0,0,0.5);
            border-color: rgba(255,255,255,0.4) !important;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.04) 100%) !important;
        }

        /* 📢 案例背景图大图包装壳与图片裁切控制 */
        .case-card-bg-img-shell {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            z-index: 0;
            overflow: hidden;
        }
        .case-card-bg-img-shell img {
            width: 100%; height: 100%;
            object-fit: cover;
            transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .premium-case-card:hover .case-card-bg-img-shell img {
            transform: scale(1.05);
        }

        /* 全透光弹性内容浮层 */
        .case-card-glass-mask {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%; z-index: 2;
            background: linear-gradient(to bottom, rgba(11,15,8,0.15) 0%, rgba(11,15,8,0.85) 100%);
            padding: 50px 55px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            color: #ffffff;
            transition: var(--transition-premium);
        }
        .premium-case-card:hover .case-card-glass-mask {
            background: linear-gradient(to bottom, rgba(11,15,8,0.2) 0%, rgba(11,15,8,0.92) 100%);
        }

        /* 赛博芯片对角裁切微标 */
        .premium-case-badge {
            display: inline-block;
            background: rgba(130, 141, 95, 0.18) !important;
            color: var(--primary-light) !important;
            border: 1px solid rgba(130, 141, 95, 0.3) !important;
            padding: 6px 18px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 20px;
            width: fit-content;
            letter-spacing: 2px;
            font-family: 'Courier New', monospace;
            clip-path: polygon(0 0, 92% 0, 100% 35%, 100% 100%, 8% 100%, 0 65%);
            transition: var(--transition-premium);
        }
        .premium-case-card:hover .premium-case-badge {
            background: rgba(130, 141, 95, 0.3) !important;
            border-color: rgba(130, 141, 95, 0.5) !important;
            text-shadow: 0 0 8px rgba(130, 141, 95, 0.4);
        }

        /* 古典细线大数字序号 */
        .case-serial-num {
            position: absolute; top: 45px; right: 55px;
            font-family: 'Times New Roman', Times, serif;
            font-size: 2.8rem; font-weight: 200;
            color: rgba(255,255,255,0.25);
            letter-spacing: 1px;
            z-index: 3;
            transition: var(--transition-premium);
        }
        .premium-case-card:hover .case-serial-num {
            color: var(--primary-light);
            transform: translateX(-6px);
        }

        .case-card-glass-mask h4 { font-family: 'Noto Serif SC', serif; font-size: 1.85rem; font-weight: 400; margin-bottom: 16px; text-shadow: 0 2px 12px rgba(0,0,0,0.6); }
        .case-card-glass-mask p { font-family: 'PingFang SC', sans-serif; font-size: 1.08rem; color: rgba(255,255,255,0.75); margin-bottom: 0; text-shadow: 0 1px 5px rgba(0,0,0,0.5); line-height: 1.8; max-width: 80%; opacity: 0.9; transform: translateY(10px); transition: var(--transition-premium); }
        .premium-case-card:hover p { opacity: 1; transform: translateY(0); color: rgba(255,255,255,0.98); }

        /* ========== ⚡ 替换：接第6张卡片内容并直接跳转的 MORE 按钮 ========== */
        .more-cases-wrapper {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 70px;
        }
        .btn-more-cases {
            display: inline-flex;
            align-items: center;
            gap: 14px;
            padding: 18px 56px;
            font-family: 'Times New Roman', Times, serif;
            font-size: 1.2rem;
            letter-spacing: 6px;
            font-weight: 300;
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            background: var(--glass-card-bg) !important;
            backdrop-filter: blur(var(--glass-blur)) !important;
            -webkit-backdrop-filter: blur(var(--glass-blur)) !important;
            border: var(--glass-border-light) !important;
            border-radius: var(--radius-pill);
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            transition: var(--transition-premium);
        }
        .btn-more-cases i {
            font-size: 1rem;
            transition: transform 0.4s ease;
            color: var(--primary-light);
        }
        .btn-more-cases:hover {
            color: #ffffff;
            background: rgba(130, 141, 95, 0.25) !important;
            border-color: rgba(255, 255, 255, 0.4) !important;
            transform: translateY(-4px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.4);
        }
        .btn-more-cases:hover i {
            transform: translateX(6px);
        }

        /* ========== 项目规模统计区 ========== */
        .stats-premium-strip {
            padding: 140px 0;
            background: transparent !important;
            border-top: 1px solid rgba(255,255,255,0.03);
        }
        .stat-premium-card-wrapper {
            background: var(--glass-card-bg) !important;
            backdrop-filter: blur(var(--glass-blur)) saturate(180%) !important;
            -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%) !important;
            border: var(--glass-border-light) !important;
            box-shadow: var(--glass-shadow);
            border-radius: var(--radius-lg);
            padding: 50px 30px;
            text-align: center;
            transition: var(--transition-premium);
        }
        .stat-premium-card-wrapper:hover {
            transform: translateY(-10px);
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.04) 100%) !important;
            border-color: rgba(255,255,255,0.4) !important;
            box-shadow: 0 50px 100px rgba(0,0,0,0.5);
        }
        .stat-premium-number {
            font-family: 'Times New Roman', Times, serif;
            font-size: 4rem;
            font-weight: 300;
            line-height: 1; margin-bottom: 16px;
            background: linear-gradient(180deg, #ffffff 0%, #828D5F 100%);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
        }
        .stat-premium-label { font-family: 'PingFang SC', sans-serif; font-size: 1.05rem; color: rgba(255,255,255,0.4); letter-spacing: 2px; text-transform: uppercase; }

        /* 滚动渐入动效 */
        .fade-in-up { opacity: 0; transform: translateY(50px); transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1); }
        .fade-in-up.visible { opacity: 1; transform: translateY(0); }