/* roulang page: index */
:root {
            --bg-main: #070B14;
            --bg-secondary: #0C1222;
            --primary-glow: #00D2FF;
            --primary-core: #0066FF;
            --accent-cyan: #00FFC2;
            --text-pure: #F8FAFC;
            --text-muted: #94A3B8;
            --text-dark: #64748B;
            --border-glass: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(0, 210, 255, 0.35);
        }

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

        body {
            background-color: var(--bg-main);
            color: var(--text-pure);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            overflow-x: hidden;
            line-height: 1.6;
        }

        .glass-panel {
            background: rgba(15, 23, 42, 0.7);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .glass-panel:hover {
            border-color: var(--border-glow);
            box-shadow: 0 10px 30px -10px rgba(0, 210, 255, 0.2);
        }

        .glow-btn-primary {
            background: linear-gradient(135deg, #0066FF 0%, #00D2FF 100%);
            box-shadow: 0 0 24px rgba(0, 210, 255, 0.45);
            transition: all 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .glow-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 35px rgba(0, 210, 255, 0.7);
        }

        .hero-slant {
            position: relative;
            background: linear-gradient(135deg, rgba(7, 11, 20, 0.94) 0%, rgba(12, 18, 34, 0.88) 100%), url('/assets/images/eec875199b9f03de.webp') center/cover no-repeat;
            clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
        }

        @media (max-width: 768px) {
            .hero-slant {
                clip-path: none;
            }
        }

        .radial-mesh {
            background-image: radial-gradient(circle at 50% 0%, rgba(0, 102, 255, 0.15) 0%, transparent 60%);
        }

        /* 标签与徽章 */
        .badge-cyan {
            background: rgba(0, 255, 194, 0.1);
            color: #00FFC2;
            border: 1px solid rgba(0, 255, 194, 0.3);
        }

        .badge-blue {
            background: rgba(0, 210, 255, 0.1);
            color: #00D2FF;
            border: 1px solid rgba(0, 210, 255, 0.3);
        }

        /* 隐藏滚动条 */
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }