/* shadowrocketnf.com.cn / download.html 独立样式表（首页/下载页各自一套，已含站点主题层） */

        /* ===== 全局重置 & 燕麦色主题变量（与首页一致） ===== */
        :root {
            --oat-50: #F9F6F0;
            --oat-100: #F2EDE4;
            --oat-200: #E8E0D5;
            --oat-300: #D9CFC1;
            --oat-400: #C4B8A5;
            --oat-500: #B0A28C;
            --oat-600: #9A8A72;
            --oat-700: #7F6F5A;
            --oat-800: #66584A;
            --oat-900: #4D4238;

            --primary: #5B7F7A;
            --primary-light: #7A9F99;
            --primary-dark: #3E5E59;
            --accent: #C97B5A;
            --accent-light: #DB9A7A;

            --bg: var(--oat-50);
            --surface: #FFFFFF;
            --surface-soft: var(--oat-100);
            --text-primary: var(--oat-900);
            --text-secondary: var(--oat-700);
            --text-muted: var(--oat-500);
            --border: var(--oat-200);

            --shadow-sm: 0 2px 8px rgba(77, 66, 56, 0.06);
            --shadow-md: 0 8px 30px rgba(77, 66, 56, 0.08);
            --shadow-lg: 0 20px 60px rgba(77, 66, 56, 0.10);
            --shadow-xl: 0 30px 80px rgba(77, 66, 56, 0.14);

            --radius: 20px;
            --radius-sm: 12px;

            --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 玻璃态 ===== */
        .glass {
            background: rgba(255, 255, 255, 0.50);
            backdrop-filter: blur(18px) saturate(180%);
            -webkit-backdrop-filter: blur(18px) saturate(180%);
            border: 1px solid rgba(255, 255, 255, 0.60);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--oat-200);
            color: var(--oat-800);
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 4px 14px;
            border-radius: 100px;
            text-transform: uppercase;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(91, 127, 122, 0.10);
            padding: 4px 16px;
            border-radius: 100px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.15;
            color: var(--text-primary);
        }

        .section-title span {
            color: var(--primary);
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.7;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 34px;
            border-radius: 60px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(91, 127, 122, 0.25);
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(91, 127, 122, 0.30);
        }
        .btn-primary i {
            font-size: 1.1rem;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 30px;
            border-radius: 60px;
            border: 1.5px solid var(--oat-300);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(91, 127, 122, 0.04);
            transform: translateY(-2px);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 34px;
            border-radius: 60px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(201, 123, 90, 0.25);
        }
        .btn-accent:hover {
            background: #B86A4A;
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(201, 123, 90, 0.30);
        }

        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 60px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 18px rgba(91, 127, 122, 0.20);
            font-size: 0.95rem;
        }
        .btn-download:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(91, 127, 122, 0.30);
        }
        .btn-download i {
            font-size: 1.1rem;
        }

        /* ===== 导航（与首页一致） ===== */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 0;
            transition: var(--transition);
        }
        nav.scrolled {
            background: rgba(249, 246, 240, 0.80);
            backdrop-filter: blur(18px) saturate(180%);
            -webkit-backdrop-filter: blur(18px) saturate(180%);
            border-bottom: 1px solid rgba(232, 224, 213, 0.40);
            padding: 10px 0;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
        }
        .nav-logo i {
            font-size: 1.6rem;
            color: var(--primary);
        }
        .nav-logo span {
            color: var(--text-primary);
        }
        .nav-logo small {
            font-weight: 400;
            font-size: 0.7rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            margin-left: 4px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: var(--text-primary);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-cta {
            display: none;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
        }
        .nav-toggle span {
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: var(--transition);
        }

        /* ===== Hero ===== */
        .hero-download {
            padding: 48px 0 60px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .hero-download::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(91, 127, 122, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-download::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(201, 123, 90, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-download .container {
            position: relative;
            z-index: 2;
        }
        .hero-download h1 {
            font-size: clamp(2.6rem, 5vw, 3.8rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.08;
            margin-bottom: 12px;
        }
        .hero-download h1 span {
            color: var(--primary);
        }
        .hero-download p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero-download .badge {
            margin-bottom: 16px;
        }

        /* ===== 下载平台卡片 ===== */
        .platforms {
            padding: 40px 0 80px;
        }
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 32px;
            margin-top: 16px;
        }
        .platform-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 40px 32px 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .platform-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .platform-card .icon {
            font-size: 4rem;
            color: var(--primary);
            margin-bottom: 16px;
            background: rgba(91, 127, 122, 0.06);
            width: 100px;
            height: 100px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .platform-card .icon.win { color: #0078D7; }
        .platform-card .icon.mac { color: #555555; }
        .platform-card .icon.ios { color: #000000; }

        .platform-card h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .platform-card .version {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .platform-card .desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 20px;
            flex: 1;
        }
        .platform-card .system-req {
            font-size: 0.8rem;
            color: var(--text-muted);
            background: var(--bg);
            padding: 8px 16px;
            border-radius: 100px;
            margin-bottom: 20px;
        }
        .platform-card .btn-download {
            width: 100%;
            justify-content: center;
        }
        .platform-card .btn-download i {
            font-size: 1.2rem;
        }

        /* ===== 附加信息 ===== */
        .download-notes {
            background: var(--surface-soft);
            border-radius: var(--radius);
            padding: 40px 32px;
            margin-top: 48px;
            border: 1px solid var(--border);
        }
        .download-notes h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .download-notes ul {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px 24px;
        }
        .download-notes ul li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.92rem;
            color: var(--text-secondary);
        }
        .download-notes ul li i {
            color: var(--primary);
            font-size: 0.8rem;
        }

        /* ===== Footer（与首页一致） ===== */
        footer {
            background: var(--surface);
            padding: 40px 0 28px;
            border-top: 1px solid var(--border);
            margin-top: 40px;
        }
        .footer-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .footer-inner .copy {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-socials {
            display: flex;
            gap: 16px;
        }
        .footer-socials a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .footer-socials a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .platform-grid {
                grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            }
            .download-notes ul {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                background: rgba(249, 246, 240, 0.96);
                backdrop-filter: blur(18px);
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                padding: 24px;
                gap: 20px;
                border-radius: 0 0 var(--radius) var(--radius);
                border: 1px solid var(--border);
                border-top: none;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: inline-flex;
            }
            .platform-card .icon {
                width: 80px;
                height: 80px;
                font-size: 3rem;
            }
        }

        @media (max-width: 480px) {
            .hero-download {
                padding: 36px 0 40px;
            }
            .platform-card {
                padding: 28px 20px;
            }
            .btn-download {
                width: 100%;
                justify-content: center;
            }
            .download-notes {
                padding: 24px 18px;
            }
        }
        /* ===== GEO 组件（面包屑 / 速览 / 定义 / 规格表 / 时效条 / FAQ） ===== */
        .breadcrumb {
            position: static;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding: 88px 0 0;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li + li::before {
            content: "/";
            margin-right: 6px;
            color: var(--oat-400);
        }
        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .updated-bar {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            background: var(--oat-100);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 14px;
            margin-top: 14px;
        }
        .answer-box {
            background: var(--surface);
            border: 1px solid var(--border);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 28px 30px;
            margin: 0 0 32px;
        }
        .answer-box h2 {
            font-size: 1.35rem;
            font-weight: 700;
            margin: 0 0 12px;
            text-align: left;
        }
        .answer-box .answer-lede {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-primary);
            margin: 0 0 14px;
            text-align: left;
        }
        .spec-wrap {
            overflow-x: auto;
            margin: 8px 0 0;
        }
        table.spec-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            font-size: 0.92rem;
        }
        table.spec-table caption {
            caption-side: top;
            text-align: left;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 0 0 10px;
        }
        table.spec-table th,
        table.spec-table td {
            text-align: left;
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            vertical-align: top;
        }
        table.spec-table thead th {
            background: var(--oat-100);
            font-weight: 600;
            white-space: nowrap;
        }
        table.spec-table tbody tr:last-child td {
            border-bottom: none;
        }
        .steps-ol {
            margin: 0;
            padding-left: 22px;
            line-height: 1.9;
            color: var(--text-secondary);
            text-align: left;
        }
        .steps-ol li {
            margin-bottom: 10px;
        }
        .source-note {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 10px;
            text-align: left;
        }
        details.faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
        }
        details.faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            text-align: left;
        }
        details.faq-item summary::-webkit-details-marker {
            display: none;
        }
        details.faq-item summary i {
            color: var(--text-muted);
            transition: var(--transition);
        }
        details.faq-item[open] summary i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        details.faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.92rem;
            line-height: 1.75;
            color: var(--text-secondary);
            text-align: left;
        }
        .install-note {
            background: var(--oat-50);
            border: 1px dashed var(--oat-300);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            margin-top: 24px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            text-align: left;
        }
        #install {
            padding: 16px 0 0;
        }
        #download-faq {
            padding: 72px 0 88px;
        }
        .copy a {
            color: inherit;
            text-decoration: none;
            border-bottom: 1px dotted var(--oat-400);
        }
        .copy a:hover {
            color: var(--primary);
        }
        @media (max-width: 640px) {
            .answer-box {
                padding: 20px 18px;
            }
        }
    


        /* es 站｜下载页 · 瑞士极简 */
        :root {
            --primary: #1F3B63;
            --primary-dark: #142845;
            --primary-light: #5B7CA6;
            --accent: #C0392B;
            --bg: #FFFFFF;
            --surface: #FFFFFF;
            --surface-soft: #F4F6F8;
            --text-primary: #101418;
            --text-secondary: #47505A;
            --text-muted: #8A939D;
            --border: #DDE1E6;
            --shadow-sm: none;
            --shadow-md: none;
            --shadow-lg: none;
            --shadow-xl: none;
            --radius: 0px;
            --radius-sm: 0px;
            --oat-50: #FFFFFF;
            --oat-100: #F4F6F8;
            --oat-200: #E8ECEF;
            --oat-300: #DDE1E6;
            --oat-400: #C4CAD1;
            --oat-500: #9AA3AC;
            --oat-600: #7A838D;
            --oat-700: #47505A;
            --oat-800: #101418;
            --oat-900: #0A0D10;
        }
        body { background: var(--bg); font-size: 1.02rem; line-height: 1.85; }
        h1 { font-size: clamp(2rem, 4.6vw, 3rem); font-weight: 700; line-height: 1.18; }
        h2, h3 { font-weight: 700; }
        nav.glass, .glass, nav.scrolled { background: #FFFFFF !important; border: none !important; border-bottom: 2px solid #101418 !important; border-radius: 0; }
        .hero-download { border-bottom: 1px solid var(--border); }
        .platform-card { background: var(--surface); border: 1px solid var(--border); border-radius: 0; box-shadow: none; }
        .platform-card:hover { border-color: #101418; }
        .btn-download { background: #101418; color: #FFFFFF; border-radius: 0; box-shadow: none; }
        .btn-download:hover { background: var(--primary); }
        .download-notes { background: var(--surface-soft); border: 1px solid var(--border); border-left: 3px solid #101418; border-radius: 0; }
        .install-note, .spec-wrap, .breadcrumb { background: var(--surface-soft); border: 1px solid var(--border); border-radius: 0; }
        table.spec-table thead th { background: #101418; color: #FFFFFF; }
        table.spec-table td { border-bottom: 1px solid var(--border); }
        .faq-item { border: 1px solid var(--border); border-radius: 0; box-shadow: none; }
        .faq-item:hover { border-color: #101418; }
        footer { background: var(--bg); border-top: 2px solid #101418; }
        .footer-inner { padding-top: 26px; }
        .footer-inner .copy { color: var(--text-muted); }

/* theme:nf | 下载页 · 石墨 + 青绿 · 6px 直角 · 平台卡三列紧凑 · 规格表优先
   回滚：删除本段即可恢复基线主题 */
:root {
    --primary: #116B5B;
    --primary-dark: #0B4E43;
    --primary-light: #3F9A87;
    --accent: #B45309;
    --accent-light: #C97B2B;
    --bg: #F6F7F6;
    --surface: #FFFFFF;
    --surface-soft: #EDEFF0;
    --text-primary: #121815;
    --text-secondary: #3D4A46;
    --text-muted: #78837F;
    --border: #D9DEDC;
    --shadow-sm: 0 1px 4px rgba(18, 24, 21, 0.05);
    --shadow-md: 0 6px 18px rgba(18, 24, 21, 0.07);
    --shadow-lg: 0 14px 38px rgba(18, 24, 21, 0.09);
    --shadow-xl: 0 24px 62px rgba(18, 24, 21, 0.12);
    --radius: 6px;
    --radius-sm: 4px;
    --oat-50: #FFFFFF; --oat-100: #EDEFF0; --oat-200: #D9DEDC; --oat-300: #C3CAC7;
    --oat-400: #A6AFA9; --oat-500: #78837F; --oat-600: #5B655F; --oat-700: #3D4A46;
    --oat-800: #232B27; --oat-900: #121815;
}
body { background: var(--bg); font-size: 0.98rem; line-height: 1.72; }
h1 { font-size: clamp(1.95rem, 4.3vw, 2.9rem); font-weight: 700; line-height: 1.22; }
h2, h3 { font-weight: 700; }
.container { max-width: 1240px; }
nav.glass, nav.scrolled, .glass {
    background: #FFFFFF !important;
    border: none !important;
    border-bottom: 1px solid var(--border) !important;
    box-shadow: 0 1px 8px rgba(18, 24, 21, 0.05) !important;
    border-radius: 0 !important;
}
.hero-download { background: linear-gradient(180deg, #EDEFF0 0%, #F6F7F6 62%, #FFFFFF 100%); border-bottom: 1px solid var(--border); }
.hero-download::before, .hero-download::after { opacity: 0.3; filter: grayscale(0.4); }
.badge { border-radius: 4px; background: rgba(17, 107, 91, 0.10); color: var(--primary-dark); }
.platform-card { border: 1px solid var(--border); border-radius: var(--radius); box-shadow: none; background: var(--surface); }
.platform-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
.platform-card .icon { border-radius: 4px; }
.btn-download, .btn-primary { background: var(--primary); border-radius: var(--radius); font-weight: 600; }
.btn-download:hover, .btn-primary:hover { background: var(--primary-dark); }
.btn-outline { border-radius: var(--radius); border: 1px solid var(--primary); }
.download-notes { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.install-note, .spec-wrap, .breadcrumb, .answer-box, .updated-bar {
    border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
}
.spec-wrap { overflow-x: auto; }
table.spec-table { font-variant-numeric: tabular-nums; }
table.spec-table thead th { background: var(--surface-soft); color: var(--text-primary); }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
footer { background: #121815; color: #D5DBD8; border-top: none; }
.footer-inner .copy, .footer-inner .copy a { color: #9BA6A1; }
.footer-socials a { background: rgba(255, 255, 255, 0.06); color: #D5DBD8; }
@media (min-width: 900px) { .platform-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; } }
@media (max-width: 899px) { .platform-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .platform-grid { grid-template-columns: 1fr; } }