:root {
            --bg: #F4F7FF;
            --accent: #005AFF;
            --dark: #0A0C10;
            --white: #FFFFFF;
            --line: rgba(0, 90, 255, 0.15);
            --pill-radius: 1000px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-font-smoothing: antialiased;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg);
            color: var(--dark);
            font-family: 'Inter', "PingFang SC", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
            line-height: 1.4;
        }

        .global-path {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            pointer-events: none;
        }

        .path-stroke {
            stroke: var(--accent);
            stroke-width: 1.5;
            fill: none;
            opacity: 0.2;
            transition: transform 0.2s ease-out;
        }

        nav {
            position: fixed;
            top: 30px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 60px);
            max-width: 1200px;
            height: 60px;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--white);
            border-radius: var(--pill-radius);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 30px;
            z-index: 1000;
        }

        .logo {
            font-weight: 700;
            font-size: 18px;
            letter-spacing: -0.05em;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--dark);
            text-decoration: none;
        }

        .logo-symbol {
            width: 24px;
            height: 24px;
            border: 2px solid var(--accent);
            border-radius: 50%;
            position: relative;
            flex-shrink: 0;
        }

        .logo-symbol::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 10px;
            height: 2px;
            background: var(--accent);
            transform: translate(-50%, -50%) rotate(45deg);
        }

        .logo-img {
            width: 28px;
            height: 28px;
            object-fit: contain;
            flex-shrink: 0;
            display: block;
        }

        .nav-links {
            display: flex;
            gap: 40px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-size: 13px;
            text-transform: uppercase;
            font-weight: 500;
            letter-spacing: 0.05em;
            transition: color 0.2s;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent);
        }

        .nav-meta {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.1em;
            color: var(--accent);
        }

        .hero {
            min-height: 100vh;
            padding: 140px 60px 80px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
        }

        .hero-meta {
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.2em;
            color: var(--accent);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .hero-meta::before {
            content: '';
            width: 40px;
            height: 1px;
            background: var(--accent);
        }

        .hero-title {
            font-size: clamp(3.5rem, 10vw, 8rem);
            font-weight: 700;
            line-height: 0.95;
            letter-spacing: -0.04em;
            position: relative;
        }

        .hero-title span {
            color: var(--accent);
        }

        .hero-description {
            max-width: 520px;
            margin-top: 40px;
            font-size: 18px;
            color: rgba(10, 12, 16, 0.7);
            line-height: 1.6;
        }

        .grid-section {
            padding: 100px 60px;
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
            max-width: 1600px;
            margin: 0 auto;
        }

        .card {
            background: var(--white);
            border-radius: 40px;
            position: relative;
            overflow: hidden;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 400px;
            transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .card:hover {
            transform: translateY(-10px);
        }

        .card-1 { grid-column: span 8; min-height: 500px; background: var(--dark); color: var(--white); }
        .card-2 { grid-column: span 4; min-height: 500px; }
        .card-3 { grid-column: span 4; min-height: 600px; }
        .card-4 { grid-column: span 8; min-height: 600px; background: var(--accent); color: var(--white); }

        .pill-frame {
            position: absolute;
            top: -50px;
            right: -50px;
            width: 300px;
            height: 600px;
            border: 3px solid rgba(255,255,255,0.2);
            border-radius: var(--pill-radius);
            pointer-events: none;
        }

        .card-label {
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            opacity: 0.6;
        }

        .card-title {
            font-size: clamp(28px, 3vw, 42px);
            font-weight: 700;
            margin-top: 20px;
            line-height: 1.1;
        }

        .card p {
            position: relative;
            z-index: 1;
        }

        .card-image {
            position: absolute;
            bottom: 0;
            right: 0;
            width: 70%;
            height: 60%;
            object-fit: cover;
            clip-path: inset(0 0 0 0 round 200px 0 0 0);
            pointer-events: none;
        }

        .data-strip {
            padding: 40px 60px;
            border-top: 1.5px solid var(--line);
            border-bottom: 1.5px solid var(--line);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
            font-size: 12px;
            color: var(--accent);
        }

        .marquee-container {
            padding: 100px 0;
            overflow: hidden;
            background: var(--dark);
            color: var(--white);
        }

        .marquee-content {
            display: flex;
            white-space: nowrap;
            animation: scroll 20s linear infinite;
        }

        .marquee-item {
            font-size: clamp(48px, 10vw, 120px);
            font-weight: 700;
            padding: 0 40px;
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .marquee-item span {
            -webkit-text-stroke: 1px var(--white);
            color: transparent;
        }

        @keyframes scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        footer {
            padding: 100px 60px 60px;
            background: var(--bg);
            position: relative;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 60px;
            border-bottom: 1.5px solid var(--line);
            padding-bottom: 80px;
        }

        .footer-logo {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 40px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .footer-logo img {
            width: 36px;
            height: 36px;
            object-fit: contain;
        }

        .footer-col h4 {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 25px;
            opacity: 0.5;
        }

        .footer-col ul { list-style: none; }
        .footer-col li { margin-bottom: 12px; font-size: 15px; }
        .footer-col a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer-col a:hover { color: var(--accent); }

        .footer-bottom {
            padding-top: 40px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 11px;
            opacity: 0.5;
            text-transform: uppercase;
        }

        .pill-shape {
            position: absolute;
            background: transparent;
            border: 2px solid var(--accent);
            border-radius: var(--pill-radius);
        }

        .s1 { width: 400px; height: 180px; top: 10%; right: -100px; transform: rotate(-15deg); opacity: 0.4; }
        .s2 { width: 250px; height: 500px; bottom: -200px; left: 5%; opacity: 0.2; }

        .pulse-ring {
            width: 40px;
            height: 40px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); opacity: 0.5; }
            50% { transform: scale(1.5); opacity: 1; }
            100% { transform: scale(1); opacity: 0.5; }
        }

        @media (max-width: 900px) {
            nav {
                top: 16px;
                width: calc(100% - 32px);
                padding: 0 20px;
            }
            .nav-links { display: none; }
            .hero { padding: 120px 30px 60px; }
            .grid-section { padding: 80px 30px; }
            .card-1, .card-2, .card-3, .card-4 {
                grid-column: span 12;
                min-height: 420px;
            }
            .data-strip { padding: 30px; }
            footer { padding: 80px 30px 40px; }
            .footer-grid { grid-template-columns: 1fr; gap: 40px; }
        }