* {
            box-sizing: border-box;
        }

        body {
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
            background: #fff;
            color: #333;
            font-family: Arial, "Microsoft YaHei", sans-serif;
            line-height: 1.6;
        }

        .page {
            width: 100%;
            margin: 0 auto;
        }

        h1 {
            margin: 15px 0;
            color: #333;
            font-size: 1.5em;
            text-align: center;
        }

        .os-filters {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .os-filter {
            padding: 8px 16px;
            border: 0;
            border-radius: 4px;
            background: #f1f1f1;
            color: #333;
            font: inherit;
            cursor: pointer;
            transition: background-color .2s ease;
        }

        .os-filter:hover {
            background: #ddd;
        }

        .os-filter.active {
            background: #4caf50;
            color: #fff;
        }

        .hidden {
            display: none !important;
        }

        .file-list {
            max-width: 760px;
            margin: 20px auto 0;
        }

        .file-item {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 12px;
            padding: 16px;
            border-radius: 5px;
            background: #f5f5f5;
        }

        .nvidia-featured,
        .n911-featured {
            position: relative;
            overflow: hidden;
        }

        .nvidia-featured::before,
        .n911-featured::before {
            position: absolute;
            top: 54px;
            right: -70px;
            z-index: 2;
            width: 290px;
            padding: 8px 0;
            background: #4caf50;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            line-height: 1.2;
            text-align: center;
            transform: rotate(45deg);
        }


        .nvidia-featured::before {
            content: "主推产品";
        }

        .n911-featured::before {
            background: #7546c8;
            content: "即将上架";
        }


        .card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .product-label {
            color: #347c49;
            font-size: 14px;
            font-weight: 600;
        }

        .mobile-featured-label {
            display: none;
        }

        .version-badge {
            flex: 0 0 auto;
            color: #347c49;
            font-size: 18px;
            font-weight: 700;
        }

        .update-date {
            display: inline-block;
            align-self: flex-start;
            margin-top: 2px;
            padding: 4px 9px;
            border: 1px solid #cfe2d2;
            border-radius: 4px;
            background: #eaf4ec;
            color: #276749;
            font-size: 14px;
            font-weight: 600;
        }

        .product-name {
            margin: 4px 0 0;
            color: #25352a;
            font-size: 26px;
            line-height: 1.2;
        }





        .product-description {
            margin: 0 0 8px;
            color: #555;
            font-size: 16px;
        }

        .package-meta {
            color: #666;
            font-size: 14px;
        }

        .package-name {
            display: block;
            color: #333;
            font-family: Consolas, "Courier New", monospace;
            font-size: 14px;
            overflow-wrap: anywhere;
        }

        .file-actions {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            align-items: stretch;
            gap: 12px;
            margin: 6px 0 4px;
        }

        .password-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            width: 100%;
            min-width: 0;
            height: 44px;
            padding: 6px 10px;
            border: 1px solid #ddd;
            border-radius: 5px;
            background: #fff;
            color: #666;
            white-space: nowrap;
        }

        .password-box > span,
        .password-box strong,
        .copy-btn {
            flex: 0 0 auto;
            white-space: nowrap;
        }

        .password-box strong {
            color: #333;
            font-family: Consolas, "Courier New", monospace;
            font-size: 16px;
        }

        .copy-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            position: relative;
            width: 32px;
            height: 32px;
            min-height: 0;
            padding: 0;
            border: 1px solid #cfe2d2;
            border-radius: 4px;
            background: #f4f8f5;
            color: #347c49;
            font: inherit;
            font-size: 14px;
            cursor: pointer;
        }

        .copy-btn:hover {
            background: #eaf4ec;
        }

        .copy-btn[data-copy-status]::after {
            position: absolute;
            z-index: 10;
            right: 0;
            bottom: calc(100% + 7px);
            padding: 5px 8px;
            border-radius: 4px;
            background: #30363b;
            box-shadow: 0 2px 8px rgba(0, 0, 0, .16);
            color: #fff;
            content: attr(data-copy-status);
            font-family: Arial, sans-serif;
            font-size: 12px;
            font-weight: 400;
            line-height: 1.2;
            white-space: nowrap;
            pointer-events: none;
        }



        .copy-feedback {
            position: fixed;
            z-index: 1000;
            right: 16px;
            bottom: 20px;
            left: 50%;
            width: auto;
            width: max-content;
            max-width: calc(100% - 32px);
            padding: 9px 14px;
            border-radius: 6px;
            background: rgba(40, 46, 50, .94);
            box-shadow: 0 4px 14px rgba(0, 0, 0, .16);
            color: #fff;
            font-size: 14px;
            line-height: 1.4;
            opacity: 0;
            text-align: center;
            transform: translate(-50%, 8px);
            transition: opacity .18s ease, transform .18s ease;
            visibility: hidden;
        }

        .copy-feedback.visible {
            opacity: 1;
            transform: translate(-50%, 0);
            visibility: visible;
        }

        .download-btn {
            display: inline-flex;
            flex: 0 0 auto;
            align-items: center;
            justify-content: center;
            width: 100%;
            min-width: 0;
            height: 44px;
            padding: 8px 16px;
            border: 0;
            border-radius: 4px;
            background: #4caf50;
            color: #fff;
            font-family: inherit;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.2;
            text-align: center;
            text-decoration: none;
            transition: background-color .2s ease;
        }

        .download-btn:hover {
            background: #388e3c;
        }

        .no-files {
            margin: 0;
            padding: 24px 12px;
            color: #666;
            text-align: center;
        }

        .promotion {
            margin-top: 28px;
            text-align: center;
        }

        .promo-link {
            display: inline-block;
            padding: 10px 28px;
            border-radius: 50px;
            background: linear-gradient(135deg, #2b3137, #24292e);
            box-shadow: 0 4px 15px rgba(0, 0, 0, .1);
            color: #fff;
            text-decoration: none;
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .promo-link:hover {
            transform: translateY(-2px);
            box-shadow: 0 7px 15px rgba(0, 0, 0, .2);
        }

        .promo-text {
            font-size: 16px;
            font-weight: 600;
        }

         .copy-icon {
            font-size: 18px;
        }

        .download-btn .download-icon {
            color: #fff;
            font-size: 20px;
        }

        .github-icon {
            display: inline-block;
            font-size: 18px;
        }


        .product-highlights {
            display: grid;
            grid-template-columns: minmax(170px, .8fr) minmax(0, 1.6fr);
            align-items: center;
            gap: 0;
            margin: 8px 0 10px;
            padding: 12px 0;
            border-top: 1px solid #ddd;
            border-bottom: 1px solid #ddd;
        }

        .rate-summary {
            padding-right: 16px;
        }

        .rate-label {
            margin: 0;
            color: #666;
            font-size: 14px;
        }

        .rate-value {
            margin: 4px 0 0;
            color: #347c49;
            font-size: 23px;
            font-weight: 700;
            line-height: 1.25;
            white-space: nowrap;
        }

        .rate-value span {
            color: #555;
            font-size: 14px;
            font-weight: 400;
        }

        .latest-updates {
            margin: 0;
            padding-left: 16px;
            border-left: 1px solid #ddd;
        }

        .latest-updates h3 {
            margin: 0 0 5px;
            color: #333;
            font-size: 14px;
        }

        .latest-updates ul {
            margin: 0;
            padding-left: 18px;
            color: #555;
            font-size: 14px;
        }

        .latest-updates li + li {
            margin-top: 3px;
        }
        @media (max-width: 560px) {
            .product-highlights {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .rate-summary {
                padding-right: 0;
            }

            .rate-value {
                font-size: 21px;
            }

            .latest-updates {
                padding: 10px 0 0;
                border-top: 1px solid #ddd;
                border-left: 0;
            }

            body {
                padding: 16px 8px;
            }

            h1 {
                font-size: 1.35em;
            }

            .file-item {
                padding: 13px;
            }

            .product-name {
                font-size: 23px;
            }

            .nvidia-featured::before,
            .n911-featured::before {
                display: none;
            }

            .card-top {
                display: grid;
                grid-template-columns: minmax(0, 1fr) auto auto;
                gap: 8px;
            }

            .mobile-featured-label {
                display: inline-block;
                padding: 4px 8px;
                border-radius: 4px;
                color: #fff;
                font-size: 12px;
                font-weight: 700;
                line-height: 1.4;
                text-align: center;
                white-space: nowrap;
            }

            .nvidia-featured .mobile-featured-label {
                background: #4caf50;
            }

            .n911-featured .mobile-featured-label {
                background: #7546c8;
            }

            .file-actions {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .password-box {
                width: 100%;
                max-width: 100%;
            }

            .download-btn {
                width: 100%;
                min-width: 0;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: .01ms !important;
            }
        }