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

        :root {
            --primary: #8b5cf6;
            --primary-light: #a78bfa;
            --primary-dark: #6d28d9;
            --bg-dark: #0a0a1a;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --text-white: #ffffff;
            --text-gray: #b0b0c8;
            --text-muted: #6b6b8a;
            --border-color: rgba(255, 255, 255, 0.06);
            --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.15);
            --radius: 16px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        img {
            max-width: 100%;
            display: block;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 10px;
        }

        /* ===== 导航栏 ===== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 0;
            transition: all var(--transition);
            background: transparent;
        }

        .navbar.scrolled {
            background: rgba(10, 10, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            padding: 10px 0;
        }

        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .navbar .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
        }

        .navbar .logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), #c084fc);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
        }

        .navbar .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .navbar .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-gray);
            transition: color var(--transition);
            position: relative;
        }

        .navbar .nav-links a:hover {
            color: #fff;
        }

        .navbar .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width var(--transition);
        }

        .navbar .nav-links a:hover::after {
            width: 100%;
        }

        .navbar .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            font-family: inherit;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(139, 92, 246, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(139, 92, 246, 0.5);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.2);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(139, 92, 246, 0.1);
        }

        .btn-white {
            background: #fff;
            color: var(--bg-dark);
        }

        .btn-white:hover {
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 255, 255, 0.2);
        }

        .btn-large {
            padding: 14px 36px;
            font-size: 16px;
        }

        /* 移动端汉堡菜单 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }

        .hamburger span {
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 10px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }

        /* ===== Hero 区域 ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding: 120px 0 80px;
            background: radial-gradient(ellipse at 30% 20%, #1a0a3a 0%, #0a0a1a 70%);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 58px;
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -1.5px;
            margin-bottom: 20px;
        }

        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--primary-light), #c084fc, var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 18px;
            color: var(--text-gray);
            max-width: 480px;
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-stats {
            display: flex;
            gap: 48px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border-color);
        }

        .hero-stats .stat h3 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
        }

        .hero-stats .stat p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        /* Hero 右侧 - 可视化元素 */
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .hero-visual .orb {
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(139, 92, 246, 0.4), rgba(109, 40, 217, 0.15));
            box-shadow: 0 0 80px rgba(139, 92, 246, 0.2), inset 0 0 80px rgba(139, 92, 246, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            animation: orbPulse 4s ease-in-out infinite;
            position: relative;
        }

        .hero-visual .orb .inner {
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle at 40% 40%, rgba(167, 139, 250, 0.5), rgba(139, 92, 246, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 52px;
            font-weight: 800;
            color: #fff;
            text-shadow: 0 0 40px rgba(139, 92, 246, 0.4);
            animation: innerPulse 3s ease-in-out infinite;
        }

        .hero-visual .orb .ring {
            position: absolute;
            border-radius: 50%;
            border: 1px solid rgba(139, 92, 246, 0.15);
            animation: ringSpin 20s linear infinite;
        }

        .hero-visual .orb .ring:nth-child(1) {
            width: 100%;
            height: 100%;
            animation-duration: 25s;
        }
        .hero-visual .orb .ring:nth-child(2) {
            width: 130%;
            height: 130%;
            animation-duration: 35s;
            animation-direction: reverse;
            border-color: rgba(139, 92, 246, 0.08);
        }
        .hero-visual .orb .ring:nth-child(3) {
            width: 160%;
            height: 160%;
            animation-duration: 45s;
            border-color: rgba(139, 92, 246, 0.05);
        }

        @keyframes orbPulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.04);
            }
        }

        @keyframes innerPulse {
            0%,
            100% {
                transform: scale(1);
                opacity: 0.9;
            }
            50% {
                transform: scale(1.08);
                opacity: 1;
            }
        }

        @keyframes ringSpin {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }

        /* ===== 通用标题区 ===== */
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header .tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(139, 92, 246, 0.12);
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 14px;
        }

        .section-header h2 {
            font-size: 42px;
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        .section-header p {
            color: var(--text-gray);
            max-width: 520px;
            margin: 12px auto 0;
        }

        /* ===== 特点区域 ===== */
        .features {
            padding: 100px 0;
            background: radial-gradient(ellipse at 70% 80%, #12082a 0%, #0a0a1a 70%);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 36px 30px;
            transition: all var(--transition);
            cursor: default;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.05), transparent);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            border-color: rgba(139, 92, 246, 0.3);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-glow);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card .icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.18), rgba(109, 40, 217, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary-light);
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
        }

        /* ===== 生态区域 ===== */
        .ecosystem {
            padding: 100px 0;
            background: #0a0a1a;
        }

        .eco-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .eco-item {
            text-align: center;
            padding: 30px 20px;
            border-radius: var(--radius);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }

        .eco-item:hover {
            border-color: rgba(139, 92, 246, 0.3);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }

        .eco-item .number {
            font-size: 38px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }

        .eco-item .label {
            font-size: 13px;
            color: var(--text-gray);
            margin-top: 8px;
        }

        /* ===== 下载区域 ===== */
        .download {
            padding: 100px 0;
            background: radial-gradient(ellipse at 30% 50%, #12082a 0%, #0a0a1a 80%);
            position: relative;
            overflow: hidden;
        }

        .download .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .download-content h2 {
            font-size: 42px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .download-content p {
            color: var(--text-gray);
            font-size: 17px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .download-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .download-buttons .btn {
            padding: 14px 30px;
            font-size: 15px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            color: #fff;
            border-radius: 12px;
        }

        .download-buttons .btn:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(139, 92, 246, 0.3);
            transform: translateY(-2px);
        }

        .download-buttons .btn i {
            font-size: 20px;
            color: var(--primary-light);
        }

        .download-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .download-visual .phone-mock {
            width: 240px;
            height: 480px;
            background: linear-gradient(145deg, #1a1a3a, #0d0d2a);
            border-radius: 32px;
            border: 2px solid rgba(255, 255, 255, 0.06);
            padding: 12px;
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 60px rgba(139, 92, 246, 0.08);
            position: relative;
        }

        .download-visual .phone-mock .screen {
            width: 100%;
            height: 100%;
            border-radius: 20px;
            background: radial-gradient(ellipse at 50% 30%, #1a0a3a, #0a0a1a);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 10px;
            overflow: hidden;
            position: relative;
        }

        .download-visual .phone-mock .screen .app-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), #6d28d9);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 8px 30px rgba(139, 92, 246, 0.3);
        }

        .download-visual .phone-mock .screen .app-name {
            font-size: 18px;
            font-weight: 700;
            margin-top: 4px;
        }

        .download-visual .phone-mock .screen .app-sub {
            font-size: 12px;
            color: var(--text-muted);
        }

        .download-visual .phone-mock .notch {
            position: absolute;
            top: 12px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 20px;
            background: #0a0a1a;
            border-radius: 0 0 12px 12px;
            z-index: 2;
        }

        /* ===== 新闻/更新 ===== */
        .news {
            padding: 100px 0;
            background: #0a0a1a;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 28px 26px;
            transition: all var(--transition);
        }

        .news-card:hover {
            border-color: rgba(139, 92, 246, 0.25);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }

        .news-card .date {
            font-size: 12px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .news-card h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-card p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
        }

        .news-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            transition: gap var(--transition);
        }

        .news-card .read-more:hover {
            gap: 12px;
        }

        /* ===== 页脚 ===== */
        .footer {
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-color);
            background: #080818;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            color: var(--text-gray);
            font-size: 14px;
            max-width: 300px;
            margin-top: 12px;
            line-height: 1.7;
        }

        .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
        }

        .footer-brand .logo .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), #c084fc);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: #fff;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-gray);
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: #fff;
        }

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-socials {
            display: flex;
            gap: 16px;
        }

        .footer-socials a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-gray);
            transition: all var(--transition);
        }

        .footer-socials a:hover {
            border-color: var(--primary);
            color: #fff;
            background: rgba(139, 92, 246, 0.1);
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-content p {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-stats {
                justify-content: center;
            }
            .hero-visual .orb {
                width: 280px;
                height: 280px;
            }
            .hero-visual .orb .inner {
                width: 120px;
                height: 120px;
                font-size: 38px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .eco-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .download .container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .download-buttons {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .navbar .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 70%;
                max-width: 320px;
                height: 100vh;
                background: rgba(10, 10, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 24px;
                padding: 40px;
                transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                border-left: 1px solid var(--border-color);
            }

            .navbar .nav-links.open {
                right: 0;
            }

            .navbar .nav-actions .btn-outline {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .hero {
                padding: 100px 0 60px;
            }
            .hero-content h1 {
                font-size: 36px;
            }
            .hero-content p {
                font-size: 16px;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero-stats .stat h3 {
                font-size: 22px;
            }

            .section-header h2 {
                font-size: 30px;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }
            .eco-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }

            .download-visual .phone-mock {
                width: 180px;
                height: 360px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-visual .orb {
                width: 200px;
                height: 200px;
            }
            .hero-visual .orb .inner {
                width: 80px;
                height: 80px;
                font-size: 26px;
            }
            .btn-large {
                padding: 12px 24px;
                font-size: 14px;
            }
        }