:root {
            --primary: #6D28D9;
            --primary-dark: #4C1D95;
            --primary-light: #8B5CF6;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg-dark: #0D0A1A;
            --bg-light: #F5F3FF;
            --text-dark: #1E1040;
            --text-medium: #4C3A78;
            --text-light: #8B7AB8;
            --white: #ffffff;
            --card-bg: #FAF8FF;
            --border-light: rgba(109, 40, 217, 0.08);
            --shadow-sm: 0 2px 12px rgba(109, 40, 217, 0.04);
            --shadow-md: 0 8px 28px rgba(109, 40, 217, 0.08);
            --shadow-lg: 0 16px 48px rgba(109, 40, 217, 0.12);
            --gradient-hero: linear-gradient(135deg, #0D0A1A 0%, #1E1040 40%, #2D1B69 70%, #4C1D95 100%);
            --gradient-cta: linear-gradient(135deg, #6D28D9 0%, #4C1D95 100%);
            --gradient-accent: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-xl: 40px;
        }

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

        body {
            font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.65;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== NAVBAR ========== */
        .navbar {
            background: rgba(13, 10, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(139, 92, 246, 0.12);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 10px 0;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.5rem;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.5px;
        }
        .logo-area img {
            height: 42px;
            width: auto;
            display: block;
            filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.5));
        }
        .logo-area span {
            color: var(--accent);
        }
        .logo-area .logo-tag {
            font-size: 0.6rem;
            background: var(--accent);
            color: #0D0A1A;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            margin-left: 4px;
        }
        .nav-links {
            display: flex;
            gap: 20px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-links a {
            text-decoration: none;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.88rem;
            transition: 0.25s;
            position: relative;
            letter-spacing: 0.3px;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s;
            border-radius: 2px;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .nav-links a.active {
            color: var(--accent);
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .btn-nav {
            background: var(--gradient-accent) !important;
            color: #0D0A1A !important;
            padding: 8px 22px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.82rem;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
            transition: all 0.3s;
            letter-spacing: 0.5px;
        }
        .btn-nav::after {
            display: none !important;
        }
        .btn-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.5);
            color: #0D0A1A !important;
        }

        /* ========== HERO ========== */
        .hero {
            padding: 80px 0 70px;
            background: var(--gradient-hero);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .hero-left {
            flex: 1.15;
            min-width: 320px;
        }
        .hero-right {
            flex: 1;
            min-width: 300px;
            display: flex;
            justify-content: flex-end;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid rgba(245, 158, 11, 0.25);
            border-radius: 40px;
            padding: 6px 22px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .hero-badge .dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: #22c55e;
            border-radius: 50%;
            margin-right: 6px;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.3);
            }
        }
        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.12;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -1px;
        }
        .hero h1 .highlight {
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            -webkit-text-fill-color: transparent;
        }
        .hero h1 .underline {
            border-bottom: 3px solid var(--accent);
            padding-bottom: 2px;
        }
        .hero-desc {
            font-size: 1.02rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 540px;
            margin-bottom: 20px;
            line-height: 1.8;
        }
        .hero-desc strong {
            color: #fff;
            font-weight: 600;
        }
        .hero-desc .highlight-text {
            color: var(--accent);
            font-weight: 700;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-primary {
            background: var(--gradient-accent);
            color: #0D0A1A;
            border: none;
            padding: 14px 36px;
            border-radius: 60px;
            font-weight: 700;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 24px rgba(245, 158, 11, 0.4);
            transition: all 0.3s;
            cursor: pointer;
            text-decoration: none;
            letter-spacing: 0.5px;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(245, 158, 11, 0.55);
            background: linear-gradient(135deg, #FBBF24 0%, #F59E0B 100%);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 14px 28px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: 0.3s;
            text-decoration: none;
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(245, 158, 11, 0.06);
        }
        .hero-platforms {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 18px;
        }
        .hero-platforms span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: 0.3s;
        }
        .hero-platforms span:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(245, 158, 11, 0.08);
        }
        .hero-platforms i {
            color: var(--accent);
        }

        .hero-image-single .img-wrapper {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(139, 92, 246, 0.2);
            border-radius: 24px;
            padding: 10px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
            transition: 0.4s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            max-width: 100%;
            animation: heroFloat 4s ease-in-out infinite;
            backdrop-filter: blur(4px);
        }
        .hero-image-single .img-wrapper:hover {
            border-color: var(--accent);
            transform: translateY(-6px);
            box-shadow: 0 16px 56px rgba(109, 40, 217, 0.3);
        }
        @keyframes heroFloat {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-12px);
            }
        }
        .hero-image-single .img-wrapper img {
            width: 100%;
            max-width: 680px;
            height: auto;
            border-radius: 16px;
            max-height: 380px;
            object-fit: contain;
            display: block;
        }

        /* ========== SECTION HEADERS ========== */
        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-badge {
            display: inline-block;
            background: rgba(109, 40, 217, 0.06);
            border: 1px solid rgba(109, 40, 217, 0.1);
            border-radius: 40px;
            padding: 4px 20px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            letter-spacing: 1px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
        }
        .section-title i {
            color: var(--primary);
            margin-right: 8px;
        }
        .section-title .gold {
            color: var(--accent-dark);
        }
        .section-sub {
            color: var(--text-medium);
            font-size: 1rem;
            margin-top: 4px;
        }

        /* ========== STABILITY MILESTONE (NEW) ========== */
        .stability-section {
            padding: 70px 0 80px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .stability-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background:
                radial-gradient(ellipse at 20% 50%, rgba(109, 40, 217, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(245, 158, 11, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }
        .stability-grid {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .stability-left {
            flex: 1;
            min-width: 300px;
            text-align: center;
        }
        .stability-left .big-days {
            font-size: 5rem;
            font-weight: 900;
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            letter-spacing: -2px;
        }
        .stability-left .days-label {
            color: rgba(255, 255, 255, 0.6);
            font-size: 1.1rem;
            font-weight: 500;
            letter-spacing: 4px;
            margin-top: 4px;
        }
        .stability-left .stability-note {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.85rem;
            margin-top: 16px;
            line-height: 1.7;
        }
        .stability-right {
            flex: 1.4;
            min-width: 320px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .stability-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(139, 92, 246, 0.12);
            border-radius: 14px;
            padding: 14px 20px;
            transition: 0.3s;
        }
        .stability-item:hover {
            border-color: rgba(245, 158, 11, 0.3);
            background: rgba(245, 158, 11, 0.05);
        }
        .stability-item .year {
            font-weight: 800;
            color: var(--accent);
            font-size: 1.1rem;
            min-width: 60px;
            letter-spacing: 1px;
        }
        .stability-item .event {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            line-height: 1.5;
        }
        .stability-item .event strong {
            color: #fff;
        }
        .stability-item .icon-check {
            color: #22c55e;
            margin-left: auto;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-section {
            padding: 70px 0 80px;
            background: var(--white);
        }
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .brand-intro-image {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 16px;
            border: 1px solid var(--border-light);
            overflow: hidden;
        }
        .brand-intro-image img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            display: block;
            transition: 0.5s;
        }
        .brand-intro-image:hover img {
            transform: scale(1.02);
        }
        .brand-intro-text h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .brand-intro-text h2 i {
            color: var(--primary);
            margin-right: 10px;
        }
        .brand-intro-text h2 .gold {
            color: var(--accent-dark);
        }
        .brand-intro-text p {
            color: var(--text-medium);
            font-size: 0.98rem;
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .brand-intro-text p strong {
            color: var(--text-dark);
        }
        .brand-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .brand-tags span {
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            border-radius: 30px;
            padding: 5px 16px;
            font-size: 0.78rem;
            color: var(--primary);
            font-weight: 600;
            transition: 0.3s;
        }
        .brand-tags span:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ========== PRIVACY PLEDGE (NEW) ========== */
        .pledge-section {
            padding: 70px 0 80px;
            background: var(--bg-dark);
            position: relative;
        }
        .pledge-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.3), transparent);
        }
        .pledge-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(139, 92, 246, 0.15);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .pledge-card .pledge-icon {
            font-size: 3rem;
            color: var(--accent);
            margin-bottom: 14px;
        }
        .pledge-card h2 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .pledge-card h2 .gold {
            color: var(--accent);
        }
        .pledge-card p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.95rem;
            line-height: 1.8;
            max-width: 600px;
            margin: 0 auto 20px;
        }
        .pledge-card .pledge-points {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }
        .pledge-card .pledge-points span {
            background: rgba(245, 158, 11, 0.08);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: 30px;
            padding: 6px 18px;
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
        }

        /* ========== ABOUT / STATS ========== */
        .about-section {
            padding: 70px 0 80px;
            background: var(--bg-light);
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-text h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .about-text h2 i {
            color: var(--primary);
            margin-right: 10px;
        }
        .about-text p {
            color: var(--text-medium);
            font-size: 0.98rem;
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .about-text p strong {
            color: var(--text-dark);
        }
        .about-text p .highlight-gold {
            color: var(--accent-dark);
            font-weight: 700;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .stat-box {
            background: var(--white);
            border-radius: 16px;
            padding: 22px 16px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: 0.3s;
        }
        .stat-box:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(109, 40, 217, 0.15);
        }
        .stat-box .num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            letter-spacing: -1px;
        }
        .stat-box .label {
            font-size: 0.82rem;
            color: var(--text-medium);
            margin-top: 2px;
        }

        /* ========== PRICING ========== */
        .pricing-section {
            padding: 70px 0 80px;
            background: var(--white);
        }
        .pricing-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 26px;
            justify-content: center;
        }
        .pricing-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 34px 28px 30px;
            flex: 1;
            min-width: 270px;
            max-width: 350px;
            border: 1px solid var(--border-light);
            transition: 0.4s;
            text-align: center;
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .pricing-card:hover {
            transform: translateY(-6px);
            border-color: rgba(109, 40, 217, 0.15);
            box-shadow: var(--shadow-lg);
        }
        .pricing-card.featured {
            border: 2px solid var(--primary);
            background: linear-gradient(145deg, #FAF8FF, #F0EBFF);
            position: relative;
        }
        .pricing-card.featured::before {
            content: "永远能连上";
            position: absolute;
            top: -13px;
            right: 20px;
            background: var(--gradient-accent);
            color: #0D0A1A;
            padding: 3px 18px;
            border-radius: 30px;
            font-size: 0.68rem;
            font-weight: 800;
            letter-spacing: 1px;
        }
        .pricing-icon {
            font-size: 2.6rem;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .pricing-name {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 6px;
            color: var(--text-dark);
        }
        .pricing-desc {
            color: var(--text-medium);
            font-size: 0.9rem;
            margin-bottom: 14px;
        }
        .pricing-price {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 14px;
            letter-spacing: -1px;
        }
        .price-unit {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-light);
        }
        .price-old {
            font-size: 0.82rem;
            color: #B8A8D8;
            text-decoration: line-through;
            margin-left: 8px;
        }
        .pricing-features {
            list-style: none;
            margin: 14px 0 18px;
            text-align: left;
            padding-left: 4px;
        }
        .pricing-features li {
            padding: 7px 0;
            color: var(--text-medium);
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.4;
        }
        .pricing-features li i {
            color: var(--primary);
            width: 22px;
            flex-shrink: 0;
            text-align: center;
        }
        .pricing-btn {
            background: var(--gradient-cta);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            padding: 13px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.9rem;
            text-decoration: none;
            transition: 0.3s;
            border: none;
            cursor: pointer;
            letter-spacing: 0.5px;
        }
        .pricing-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(109, 40, 217, 0.3);
        }

        /* ========== SERVICES ========== */
        .services-section {
            padding: 70px 0 80px;
            background: var(--bg-dark);
            position: relative;
        }
        .services-section .section-title {
            color: #fff;
        }
        .services-section .section-sub {
            color: rgba(255, 255, 255, 0.5);
        }
        .services-section .section-badge {
            background: rgba(245, 158, 11, 0.08);
            border-color: rgba(245, 158, 11, 0.2);
            color: var(--accent);
        }
        .services-flex {
            display: flex;
            align-items: stretch;
            gap: 50px;
            flex-wrap: wrap;
        }
        .services-left {
            flex: 1.4;
            min-width: 300px;
        }
        .services-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 22px;
            height: 100%;
        }
        .service-card {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            padding: 28px 22px 24px;
            border: 1px solid rgba(139, 92, 246, 0.12);
            transition: 0.3s;
            text-align: center;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .service-card:hover {
            transform: translateY(-4px);
            border-color: rgba(245, 158, 11, 0.3);
            background: rgba(245, 158, 11, 0.05);
        }
        .service-card .icon {
            font-size: 2.4rem;
            color: var(--accent);
            margin-bottom: 12px;
            display: block;
        }
        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
        }
        .service-card p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
            margin-top: 6px;
        }
        .service-card .tag {
            display: inline-block;
            background: rgba(245, 158, 11, 0.08);
            padding: 3px 14px;
            border-radius: 30px;
            font-size: 0.68rem;
            color: var(--accent);
            font-weight: 700;
            margin-top: 10px;
            letter-spacing: 1px;
        }
        .services-right {
            flex: 1;
            min-width: 300px;
            display: flex;
            align-items: stretch;
            justify-content: center;
        }
        .services-right .showcase-img {
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-md);
            padding: 10px;
            border: 1px solid rgba(139, 92, 246, 0.1);
            transition: 0.3s;
            width: 100%;
            max-width: 720px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .services-right .showcase-img:hover {
            border-color: rgba(245, 158, 11, 0.25);
        }
        .services-right .showcase-img img {
            width: 100%;
            height: auto;
            max-height: 400px;
            border-radius: 12px;
            display: block;
            object-fit: contain;
        }

        /* ========== DOWNLOAD ========== */
        .download-section {
            padding: 70px 0 80px;
            background: var(--white);
        }
        .download-header {
            text-align: center;
            margin-bottom: 34px;
        }
        .download-header .badge {
            display: inline-block;
            background: rgba(109, 40, 217, 0.06);
            border: 1px solid rgba(109, 40, 217, 0.1);
            border-radius: 40px;
            padding: 4px 18px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            letter-spacing: 1px;
        }
        .download-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
        }
        .download-header h2 i {
            color: var(--primary);
            margin-right: 8px;
        }
        .download-header p {
            color: var(--text-medium);
            font-size: 1rem;
        }
        .download-header p strong {
            color: var(--text-dark);
        }
        .download-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .download-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 26px 18px 22px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: 0.3s;
        }
        .download-card:hover {
            transform: translateY(-4px);
            border-color: rgba(109, 40, 217, 0.15);
            box-shadow: var(--shadow-md);
        }
        .download-card .icon-wrap {
            font-size: 2.6rem;
            color: var(--primary);
            margin-bottom: 10px;
            display: block;
        }
        .download-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-dark);
        }
        .download-card .version {
            font-size: 0.72rem;
            color: var(--text-light);
        }
        .download-card .desc {
            font-size: 0.85rem;
            color: var(--text-medium);
            margin: 10px 0 14px;
            min-height: 40px;
        }
        .download-card .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gradient-cta);
            color: #fff;
            padding: 10px 24px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.85rem;
            text-decoration: none;
            transition: 0.3s;
            box-shadow: 0 4px 16px rgba(109, 40, 217, 0.2);
        }
        .download-card .btn-download:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }
        .download-card .badge-hot {
            font-size: 0.62rem;
            font-weight: 800;
            color: var(--accent-dark);
            background: rgba(245, 158, 11, 0.08);
            padding: 2px 12px;
            border-radius: 30px;
            display: inline-block;
            margin-bottom: 6px;
            letter-spacing: 1px;
        }
        .download-footer {
            text-align: center;
            margin-top: 26px;
            color: var(--text-light);
            font-size: 0.88rem;
        }
        .download-footer i {
            color: var(--primary);
        }

        /* ========== TECH ========== */
        .tech-section {
            padding: 70px 0 80px;
            background: var(--bg-light);
        }
        .tech-flex {
            display: flex;
            align-items: flex-start;
            gap: 50px;
            flex-wrap: wrap;
        }
        .tech-left {
            flex: 1.2;
            min-width: 300px;
            display: flex;
            justify-content: center;
            align-items: flex-start;
            padding-top: 60px;
        }
        .tech-left .showcase-img {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 12px;
            border: 1px solid var(--border-light);
            transition: 0.3s;
            width: 100%;
            max-width: 680px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .tech-left .showcase-img:hover {
            border-color: rgba(109, 40, 217, 0.15);
            box-shadow: var(--shadow-md);
        }
        .tech-left .showcase-img img {
            width: 100%;
            height: auto;
            max-height: 430px;
            border-radius: 12px;
            display: block;
            object-fit: contain;
        }
        .tech-right {
            flex: 1;
            min-width: 300px;
        }
        .tech-right .section-header {
            text-align: left;
            margin-bottom: 22px;
        }
        .tech-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .tech-item {
            background: var(--white);
            border-radius: 16px;
            padding: 22px 18px 18px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: 0.3s;
        }
        .tech-item:hover {
            transform: translateY(-4px);
            border-color: rgba(109, 40, 217, 0.15);
            box-shadow: var(--shadow-sm);
        }
        .tech-item i {
            font-size: 1.9rem;
            color: var(--primary);
            margin-bottom: 8px;
            display: block;
        }
        .tech-item h4 {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--text-dark);
        }
        .tech-item p {
            font-size: 0.82rem;
            color: var(--text-medium);
            line-height: 1.5;
        }

        /* ========== CERT ========== */
        .cert-section {
            padding: 70px 0 80px;
            background: var(--white);
        }
        .cert-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            justify-content: center;
            align-items: stretch;
        }
        .cert-card {
            background: var(--card-bg);
            border-radius: 24px;
            padding: 30px 30px 28px;
            border: 1px solid var(--border-light);
            transition: 0.3s;
            flex: 1 1 300px;
            max-width: 520px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .cert-card:hover {
            transform: translateY(-4px);
            border-color: rgba(109, 40, 217, 0.15);
            box-shadow: var(--shadow-md);
        }
        .cert-card .cert-img-wrap {
            width: 100%;
            max-width: 440px;
            margin: 0 auto 12px;
        }
        .cert-card .cert-img-wrap img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            display: block;
        }
        .cert-card .cert-title {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-top: 8px;
        }
        .cert-card .cert-desc {
            font-size: 0.9rem;
            color: var(--text-medium);
            line-height: 1.7;
            margin-top: 6px;
        }
        .cert-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
            justify-content: center;
        }
        .cert-tags span {
            background: rgba(109, 40, 217, 0.05);
            border: 1px solid rgba(109, 40, 217, 0.08);
            border-radius: 30px;
            padding: 3px 16px;
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--primary);
        }

        /* ========== REVIEWS ========== */
        .reviews-section {
            padding: 60px 0 70px;
            background: var(--bg-light);
        }
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .review-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 26px 22px 22px;
            border: 1px solid var(--border-light);
            transition: 0.3s;
            box-shadow: var(--shadow-sm);
        }
        .review-card:hover {
            transform: translateY(-4px);
            border-color: rgba(109, 40, 217, 0.15);
            box-shadow: var(--shadow-md);
        }
        .review-card .stars {
            color: var(--accent);
            font-size: 0.88rem;
            letter-spacing: 2px;
            margin-bottom: 6px;
        }
        .review-card .text {
            font-size: 0.92rem;
            color: var(--text-dark);
            line-height: 1.65;
        }
        .review-card .author {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .review-card .author .avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--gradient-cta);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.05rem;
            flex-shrink: 0;
        }
        .review-card .author .info .name {
            font-weight: 700;
            color: var(--text-dark);
            font-size: 0.88rem;
        }
        .review-card .author .info .location {
            font-size: 0.72rem;
            color: var(--text-light);
        }
        .review-card .badge-verified {
            display: inline-block;
            background: rgba(34, 197, 94, 0.08);
            color: #22c55e;
            font-size: 0.6rem;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 30px;
            margin-top: 4px;
        }
        .review-card.hidden {
            display: none;
        }
        .review-card.hidden.show {
            display: block;
        }
        .btn-toggle-review {
            display: inline-block;
            padding: 12px 34px;
            border-radius: 40px;
            border: 1.5px solid rgba(109, 40, 217, 0.15);
            color: var(--text-medium);
            background: var(--white);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.3s;
        }
        .btn-toggle-review:hover {
            background: var(--bg-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ========== BLOG ========== */
        .blog-section {
            padding: 70px 0 80px;
            background: var(--white);
        }
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .blog-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: 0.3s;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .blog-card:hover {
            transform: translateY(-4px);
            border-color: rgba(109, 40, 217, 0.15);
            box-shadow: var(--shadow-md);
        }
        .blog-card .blog-img {
            width: 100%;
            height: 170px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-light);
        }
        .blog-card .blog-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: 0.4s;
        }
        .blog-card:hover .blog-img img {
            transform: scale(1.04);
        }
        .blog-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .blog-body h4 {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 6px;
        }
        .blog-body h4 a {
            color: var(--text-dark);
            text-decoration: none;
        }
        .blog-body h4 a:hover {
            color: var(--primary);
        }
        .blog-body p {
            font-size: 0.84rem;
            color: var(--text-medium);
            margin-bottom: 10px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .blog-body .meta {
            font-size: 0.72rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 8px;
            border-top: 1px solid var(--border-light);
        }
        .blog-body .meta a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
        }

        /* ========== PARTNER ========== */
        .partner-section {
            padding: 70px 0 80px;
            background: var(--bg-dark);
            position: relative;
        }
        .partner-section .partner-title {
            color: #fff;
        }
        .partner-section .partner-sub {
            color: rgba(255, 255, 255, 0.5);
        }
        .partner-header {
            text-align: center;
            margin-bottom: 30px;
        }
        .partner-badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.08);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: 40px;
            padding: 4px 20px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 6px;
            letter-spacing: 1px;
        }
        .partner-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .partner-title span {
            color: var(--accent);
        }
        .partner-sub {
            font-size: 1rem;
        }
        .partner-benefits {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            max-width: 1100px;
            margin: 0 auto 34px;
        }
        .partner-benefit-card {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            padding: 26px 18px 22px;
            text-align: center;
            border: 1px solid rgba(139, 92, 246, 0.12);
            transition: 0.3s;
        }
        .partner-benefit-card:hover {
            transform: translateY(-4px);
            border-color: rgba(245, 158, 11, 0.3);
            background: rgba(245, 158, 11, 0.05);
        }
        .partner-benefit-card .icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(245, 158, 11, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 1.5rem;
            color: var(--accent);
        }
        .partner-benefit-card h4 {
            font-size: 1rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 4px;
        }
        .partner-benefit-card p {
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
        }
        .partner-cta-box {
            background: linear-gradient(135deg, rgba(109, 40, 217, 0.6), rgba(76, 29, 149, 0.6));
            border: 1px solid rgba(139, 92, 246, 0.2);
            border-radius: var(--radius-lg);
            padding: 34px 38px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
        }
        .cta-info h3 {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .cta-info p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            margin-top: 2px;
        }
        .cta-contact {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            margin-top: 6px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-contact span i {
            margin-right: 6px;
            color: var(--accent);
        }
        .btn-partner-apply {
            background: var(--gradient-accent);
            color: #0D0A1A;
            padding: 12px 34px;
            border-radius: 60px;
            font-weight: 800;
            font-size: 0.9rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: 0.3s;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
            flex-shrink: 0;
            letter-spacing: 0.5px;
        }
        .btn-partner-apply:hover {
            transform: translateY(-2px);
            background: linear-gradient(135deg, #FBBF24 0%, #F59E0B 100%);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.5);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 50px 0 70px;
            background: var(--bg-light);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--white);
            border-radius: 14px;
            padding: 20px 24px;
            border: 1px solid var(--border-light);
            transition: 0.3s;
        }
        .faq-item:hover {
            border-color: rgba(109, 40, 217, 0.12);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .q {
            font-weight: 800;
            font-size: 0.95rem;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .faq-item .q i {
            color: var(--primary);
            font-size: 0.75rem;
            width: 20px;
        }
        .faq-item .a {
            margin-top: 6px;
            padding-left: 30px;
            color: var(--text-medium);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item .a strong {
            color: var(--text-dark);
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.65);
            padding: 50px 0 28px;
            border-top: 3px solid var(--primary);
        }
        .footer a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: 0.2s;
        }
        .footer a:hover {
            color: var(--accent);
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 34px;
            margin-bottom: 28px;
        }
        .footer .brand-col .logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }
        .footer .brand-col .logo i {
            color: var(--accent);
        }
        .footer .brand-col .logo span {
            color: var(--accent);
        }
        .footer .brand-col p {
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 340px;
        }
        .footer .brand-col p strong {
            color: rgba(255, 255, 255, 0.85);
        }
        .footer .col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer .col ul {
            list-style: none;
        }
        .footer .col ul li {
            margin-bottom: 7px;
        }
        .footer .col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            transition: 0.2s;
        }
        .footer .col ul li a:hover {
            color: var(--accent);
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: 0.78rem;
        }
        .footer .footer-bottom .icp {
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
        }
        .footer .footer-bottom .icp a {
            color: rgba(255, 255, 255, 0.35);
            text-decoration: none;
        }
        .footer .footer-bottom .icp a:hover {
            color: var(--accent);
        }
        .footer .footer-bottom .icp .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.12);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 24px;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .brand-intro-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .brand-intro-grid .brand-intro-image {
                order: -1;
            }
            .about-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .services-flex {
                flex-direction: column;
                text-align: center;
            }
            .services-grid {
                grid-template-columns: 1fr 1fr;
            }
            .services-right {
                width: 100%;
            }
            .services-right .showcase-img {
                max-width: 100%;
            }
            .download-grid {
                grid-template-columns: 1fr 1fr;
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .blog-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tech-flex {
                flex-direction: column;
                text-align: center;
            }
            .tech-right .section-header {
                text-align: center;
            }
            .tech-right .tech-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tech-left {
                width: 100%;
                padding-top: 0;
            }
            .tech-left .showcase-img {
                max-width: 100%;
            }
            .cert-grid {
                flex-direction: column;
                align-items: center;
            }
            .cert-card {
                max-width: 100%;
                width: 100%;
            }
            .partner-benefits {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stability-grid {
                flex-direction: column;
                text-align: center;
            }
            .stability-item {
                text-align: left;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
            .nav-inner {
                flex-direction: column;
                align-items: center;
            }
            .nav-links {
                justify-content: center;
                gap: 10px;
            }
            .hero-grid {
                flex-direction: column;
                text-align: center;
            }
            .hero-left {
                min-width: unset;
            }
            .hero-right {
                min-width: unset;
                justify-content: center;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-desc {
                margin: 0 auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-platforms {
                justify-content: center;
            }
            .hero-image-single .img-wrapper {
                margin-right: 0;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .download-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tech-right .tech-grid {
                grid-template-columns: 1fr 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .blog-grid {
                grid-template-columns: 1fr;
            }
            .partner-benefits {
                grid-template-columns: 1fr 1fr;
            }
            .partner-cta-box {
                flex-direction: column;
                text-align: center;
                padding: 24px;
            }
            .cta-contact {
                justify-content: center;
            }
            .btn-partner-apply {
                width: 100%;
                justify-content: center;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 26px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .stability-left .big-days {
                font-size: 3.5rem;
            }
            .pledge-card {
                padding: 28px 20px;
            }
            .pledge-card h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .download-grid {
                grid-template-columns: 1fr;
            }
            .tech-right .tech-grid {
                grid-template-columns: 1fr;
            }
            .partner-benefits {
                grid-template-columns: 1fr;
            }
            .hero-image-single .img-wrapper img {
                max-height: 190px;
                max-width: 270px;
            }
            .btn-primary,
            .btn-outline {
                padding: 11px 22px;
                font-size: 0.88rem;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
                text-align: center;
            }
            .footer .brand-col p {
                max-width: 100%;
            }
            .cert-card {
                padding: 18px 14px;
            }
            .cert-card .cert-img-wrap {
                max-width: 100%;
            }
            .services-right .showcase-img img {
                max-height: 260px;
            }
            .tech-left .showcase-img img {
                max-height: 280px;
            }
            .brand-intro-text .brand-tags {
                justify-content: center;
            }
            .stability-item {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .stability-item .year {
                min-width: unset;
            }
            .stability-item .icon-check {
                margin-left: 0;
            }
            .stability-left .big-days {
                font-size: 2.8rem;
            }
        }
		/* 博客卡片图片区域 - 纯CSS渐变+图标方案 */
.blog-card .blog-img {
    width: 100%;
    height: 170px;                /* 保持原高度 */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.85);
    transition: 0.3s;
    border-radius: 12px 12px 0 0; /* 仅顶部圆角 */
    overflow: hidden;
    position: relative;
}

/* 渐变背景样式 */
.blog-img.gradient-purple {
    background: linear-gradient(135deg, #6D28D9 0%, #4C1D95 100%);
}
.blog-img.gradient-gold {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
}
.blog-img.gradient-dark {
    background: linear-gradient(135deg, #2D1B69 0%, #0D0A1A 100%);
}

/* 卡片悬停时图标微微放大 */
.blog-card:hover .blog-img i {
    transform: scale(1.15);
}
.blog-img i {
    transition: 0.3s;
    text-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* 可选：为卡片增加轻微的内阴影，让图标更突出 */
.blog-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}