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

        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #6366f1, #3b82f6); border-radius: 4px; }
        ::-webkit-scrollbar-track { background: #0a0a1a; }

        body {
            background-color: #0a0a1a;
            color: #fff;
            overflow-x: hidden;
            min-height: 100vh;
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            padding-bottom: 80px;
        }

        .hero-section {
            position: relative;
            padding: 60px 20px 50px;
            text-align: center;
            overflow: hidden;
            background: 
                radial-gradient(ellipse 80% 60% at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 70%),
                radial-gradient(ellipse 60% 50% at 80% 100%, rgba(59, 130, 246, 0.1) 0%, transparent 60%),
                radial-gradient(ellipse 40% 40% at 10% 60%, rgba(138, 35, 245, 0.08) 0%, transparent 50%);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image:
                radial-gradient(1.5px 1.5px at 10% 20%, rgba(123, 158, 255, 0.5) 50%, transparent 50%),
                radial-gradient(1px 1px at 30% 60%, rgba(99, 102, 241, 0.4) 50%, transparent 50%),
                radial-gradient(2px 2px at 60% 15%, rgba(59, 130, 246, 0.5) 50%, transparent 50%),
                radial-gradient(1px 1px at 80% 45%, rgba(123, 158, 255, 0.3) 50%, transparent 50%),
                radial-gradient(1.5px 1.5px at 45% 80%, rgba(99, 102, 241, 0.4) 50%, transparent 50%),
                radial-gradient(1px 1px at 90% 75%, rgba(59, 130, 246, 0.3) 50%, transparent 50%),
                radial-gradient(2px 2px at 15% 90%, rgba(138, 35, 245, 0.3) 50%, transparent 50%);
            animation: twinkle 4s ease-in-out infinite alternate;
            pointer-events: none;
        }

        @keyframes twinkle {
            0% { opacity: 0.5; }
            100% { opacity: 1; }
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(99, 102, 241, 0.15);
            border: 1px solid rgba(99, 102, 241, 0.3);
            border-radius: 50px;
            font-size: 13px;
            color: #94a3b8;
            margin: 0 auto 25px;
            animation: fadeSlideDown 0.6s ease-out;
            backdrop-filter: blur(10px);
        }

        .hero-row {
            display: block;
            text-align: center;
        }

        .hero-badge i {
            color: #6366f1;
            font-size: 11px;
        }

        .hero-title-wrap {
            position: relative;
            display: inline-block;
            margin-bottom: 20px;
            animation: fadeSlideDown 0.8s ease-out;
        }

        .hero-title {
            font-size: 42px;
            font-weight: 900;
            letter-spacing: 2px;
            line-height: 1.3;
            background: linear-gradient(135deg, #7b9eff 0%, #6366f1 30%, #3b82f6 60%, #a78bfa 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-size: 200% 200%;
            animation: gradientShift 5s ease infinite;
            filter: drop-shadow(0 0 30px rgba(99, 102, 241, 0.3));
        }

        @keyframes gradientShift {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }

        .hero-title-wrap::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: linear-gradient(90deg, transparent, #6366f1, #3b82f6, transparent);
            border-radius: 2px;
        }

        .hero-subtitle {
            font-size: 15px;
            color: #64748b;
            margin-top: 24px;
            line-height: 1.8;
            animation: fadeSlideDown 1s ease-out;
            letter-spacing: 0.5px;
        }

        .hero-subtitle i {
            color: #6366f1;
            margin-right: 6px;
            font-size: 13px;
        }

        .hero-deco {
            position: absolute;
            border: 1px solid rgba(99, 102, 241, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-deco-1 {
            width: 120px; height: 120px;
            top: 10%; left: -30px;
            animation: floatSlow 8s ease-in-out infinite;
        }

        .hero-deco-2 {
            width: 80px; height: 80px;
            top: 20%; right: -20px;
            border-color: rgba(59, 130, 246, 0.15);
            animation: floatSlow 6s ease-in-out infinite reverse;
        }

        .hero-deco-3 {
            width: 50px; height: 50px;
            bottom: 15%; left: 15%;
            border-color: rgba(138, 35, 245, 0.12);
            animation: floatSlow 7s ease-in-out infinite 1s;
        }

        @keyframes floatSlow {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50% { transform: translateY(-15px) rotate(180deg); }
        }

        /* 翻页导航 */
        .page-nav {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            margin-top: 22px;
            animation: fadeSlideDown 1.1s ease-out;
        }

        .page-nav-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 22px;
            background: rgba(99, 102, 241, 0.15);
            border: 1px solid rgba(99, 102, 241, 0.35);
            border-radius: 50px;
            color: #94a3b8;
            font-size: 13px;
            text-decoration: none;
            transition: all 0.3s;
            backdrop-filter: blur(10px);
        }

        .page-nav-btn:hover {
            background: rgba(99, 102, 241, 0.3);
            color: #fff;
        }

        .page-nav-btn.disabled {
            opacity: 0.3;
            pointer-events: none;
        }

        .page-nav-indicator {
            color: #475569;
            font-size: 13px;
        }

        /* 分割线 */
        .section-divider {
            position: relative;
            width: 100%;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .section-divider::before {
            content: '';
            position: absolute;
            left: 0; right: 0;
            top: 50%;
            height: 1px;
            background: linear-gradient(90deg, 
                transparent 0%, 
                rgba(99, 102, 241, 0.1) 10%,
                rgba(99, 102, 241, 0.5) 30%,
                rgba(59, 130, 246, 0.8) 50%,
                rgba(99, 102, 241, 0.5) 70%,
                rgba(99, 102, 241, 0.1) 90%,
                transparent 100%
            );
        }

        .section-divider::after {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            width: 200px;
            height: 40px;
            background: radial-gradient(ellipse, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
        }

        .divider-icon {
            position: relative;
            z-index: 2;
            width: 36px;
            height: 36px;
            background: #0a0a1a;
            border: 1px solid rgba(99, 102, 241, 0.4);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #6366f1;
            font-size: 12px;
            box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
        }

        /* 产品展示区 */
        .showcase-section {
            padding: 30px 20px 40px;
            position: relative;
            background:
                radial-gradient(ellipse 50% 40% at 50% 50%, rgba(59, 130, 246, 0.04) 0%, transparent 70%);
        }

        .section-label {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 25px;
            animation: fadeSlideDown 0.6s ease-out;
        }

        .section-label-line {
            width: 40px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.5));
        }

        .section-label-line:last-child {
            background: linear-gradient(90deg, rgba(99, 102, 241, 0.5), transparent);
        }

        .section-label-text {
            font-size: 13px;
            color: #64748b;
            letter-spacing: 3px;
            text-transform: uppercase;
        }

        .product-showcase {
            width: 100%;
            max-width: 720px;
            margin: 0 auto;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 
                0 10px 40px rgba(0, 0, 0, 0.5),
                0 0 0 1px rgba(98, 143, 255, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
            animation: fadeSlideUp 0.8s ease-out;
            position: relative;
        }

        .product-showcase::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 2px;
            background: linear-gradient(90deg, #6366f1, #3b82f6, #6366f1);
            z-index: 2;
        }

        .product-showcase img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* 功能卡片 */
        .features-section {
            padding: 30px 20px 20px;
            position: relative;
            background:
                radial-gradient(ellipse 60% 40% at 30% 20%, rgba(138, 35, 245, 0.04) 0%, transparent 60%),
                radial-gradient(ellipse 50% 40% at 80% 80%, rgba(59, 130, 246, 0.04) 0%, transparent 60%);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 15px;
            max-width: 720px;
            margin: 0 auto;
        }

        .feature-card {
            background: rgba(20, 30, 50, 0.5);
            border: 1px solid rgba(98, 143, 255, 0.2);
            border-radius: 14px;
            padding: 20px;
            cursor: pointer;
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
            animation: fadeSlideUp 0.6s ease-out backwards;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 2px;
            background: linear-gradient(90deg, #6366f1, #3b82f6);
            opacity: 0.5;
            transition: opacity 0.3s;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            background: rgba(30, 45, 85, 0.6);
            border-color: rgba(99, 102, 241, 0.4);
            box-shadow: 0 12px 30px rgba(59, 130, 246, 0.2);
        }

        .feature-card:hover::before { opacity: 1; }
        .feature-card:hover::after { opacity: 1; }
        .feature-card:active { transform: translateY(0); }

        .feature-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, #6366f1, #3b82f6);
            border-radius: 10px;
            font-weight: 700;
            margin-right: 12px;
            font-size: 14px;
            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
            flex-shrink: 0;
        }

        .feature-title {
            font-size: 16px;
            color: #b0c8ff;
            font-weight: 600;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        /* 页脚 */
        .mobile-footer {
            padding: 40px 15px 25px;
            text-align: center;
            max-width: 720px;
            margin: 40px auto 0;
        }

        .mobile-footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px 20px;
            margin-bottom: 22px;
        }

        .mobile-footer-link {
            color: #475569;
            font-size: 13px;
            text-decoration: none;
            transition: color 0.3s;
            letter-spacing: 0.5px;
        }

        .mobile-footer-link:hover { color: #6366f1; }

        .mobile-social-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 22px;
        }

        .mobile-social-link {
            color: #475569;
            font-size: 20px;
            transition: all 0.3s;
            text-decoration: none;
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(20, 30, 50, 0.5);
            border: 1px solid rgba(98, 143, 255, 0.1);
        }

        .mobile-social-link:hover {
            color: #6366f1;
            border-color: rgba(99, 102, 241, 0.3);
            transform: translateY(-2px);
        }

        .mobile-copyright {
            font-size: 12px;
            color: #334155;
            line-height: 1.8;
        }

        /* Lightbox */
        .lightbox {
            display: none;
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background: rgba(0, 0, 0, 0.95);
            z-index: 9999;
        }

        .lightbox.active {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            animation: fadeIn 0.25s ease-out;
        }

        .lightbox-header {
            position: absolute;
            top: 0; left: 0; right: 0;
            padding: 15px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent);
            z-index: 10;
        }

        .lightbox-title {
            color: #b0c8ff;
            font-size: 16px;
            font-weight: 600;
            padding-right: 50px;
            line-height: 1.4;
        }

        .lightbox-close {
            background: rgba(255, 59, 48, 0.8);
            border: none;
            width: 40px; height: 40px;
            border-radius: 50%;
            color: white;
            font-size: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }

        .lightbox-close:hover {
            background: rgba(255, 59, 48, 1);
            transform: rotate(90deg);
        }

        .lightbox-content {
            position: relative;
            width: 100%; height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 80px 20px;
            overflow: hidden;
            touch-action: pan-y pinch-zoom;
            cursor: grab;
        }

        .lightbox-content:active { cursor: grabbing; }

        .lightbox-slider {
            display: flex;
            transition: transform 0.3s ease-out;
            width: 100%; height: 100%;
        }

        .lightbox-slider.no-transition { transition: none; }

        .lightbox-slide {
            flex: 0 0 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 0 20px;
        }

        .lightbox-image {
            max-width: 90%;
            max-height: 80%;
            object-fit: contain;
            border-radius: 10px;
            pointer-events: none;
            user-select: none;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(98, 143, 255, 0.2);
        }

        .lightbox-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(59, 130, 246, 0.8);
            border: none;
            width: 50px; height: 50px;
            border-radius: 50%;
            color: white;
            font-size: 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10;
            transition: all 0.3s;
        }

        .lightbox-arrow:hover {
            background: rgba(59, 130, 246, 1);
            transform: translateY(-50%) scale(1.1);
        }

        .lightbox-arrow.disabled { opacity: 0.3; cursor: not-allowed; }
        .lightbox-prev { left: 20px; }
        .lightbox-next { right: 20px; }

        .lightbox-counter {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(20, 30, 50, 0.9);
            padding: 10px 20px;
            border-radius: 25px;
            color: #b0c8ff;
            font-size: 14px;
            border: 1px solid rgba(98, 143, 255, 0.3);
        }

        /* 返回首页 */
        .back-to-home-bar {
            position: fixed;
            bottom: 0; left: 0;
            width: 100%;
            background: linear-gradient(135deg, #6366f1, #3b82f6, #7b9eff);
            padding: 16px 20px;
            z-index: 1000;
            box-shadow: 0 -4px 20px rgba(59, 130, 246, 0.3);
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .back-to-home-btn {
            display: block;
            width: 100%;
            max-width: 600px;
            margin: 0 auto;
            padding: 14px 30px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 12px;
            color: white;
            font-size: 17px;
            font-weight: 600;
            text-align: center;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            letter-spacing: 1px;
        }

        .back-to-home-btn:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-2px);
        }

        .back-to-home-btn:active { transform: translateY(0); }

        .back-to-home-btn i {
            margin-right: 10px;
            animation: slideLeft 1.5s ease-in-out infinite;
        }

        @keyframes slideLeft {
            0%, 100% { transform: translateX(0); }
            50% { transform: translateX(-5px); }
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes fadeSlideDown {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes fadeSlideUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @media (max-width: 768px) {
            .hero-title { font-size: 30px; }
            .feature-grid { grid-template-columns: 1fr; }
            .lightbox-arrow { width: 40px; height: 40px; font-size: 20px; }
            .lightbox-prev { left: 10px; }
            .lightbox-next { right: 10px; }
            .lightbox-title { font-size: 14px; }
            .lightbox-image { max-width: 95%; max-height: 75%; }
            .back-to-home-bar { padding: 14px 15px; }
            .back-to-home-btn { padding: 13px 20px; font-size: 15px; }
            .hero-section { padding: 45px 20px 40px; }
        }

        @media (max-width: 400px) {
            .hero-title { font-size: 26px; }
        }