* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Noto Sans SC', -apple-system, sans-serif;
            background: #fafbfc;
            color: #333;
            line-height: 1.7;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
		
        .logo img{
    height:40px;
    width:auto;
}

@media (max-width:768px){
    .logo img{
        height:32px;
    }
}
        nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        nav a {
            font-size: 15px;
            color: #666;
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
        }
        nav a:hover {
            color: #00c9a7;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #00c9a7, #00b4d8);
            border-radius: 2px;
            transition: width 0.3s;
        }
        nav a:hover::after {
            width: 100%;
        }
        nav a.active {
            color: #00c9a7;
        }
        nav a.active::after {
            width: 100%;
        }
        .header-btns {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            color: #666;
            font-size: 14px;
            font-weight: 500;
            padding: 10px 20px;
            border-radius: 8px;
            transition: all 0.3s;
        }
        .btn-login:hover {
            background: #f0f9f7;
            color: #00c9a7;
        }
        .btn-download {
            background: linear-gradient(135deg, #00c9a7, #00b4d8);
            color: #fff;
            padding: 10px 24px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0, 201, 167, 0.3);
        }
        .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(0, 201, 167, 0.4);
        }
        .breadcrumb {
            padding: 90px 0 20px;
            font-size: 14px;
            color: #999;
        }
        .breadcrumb a {
            color: #999;
            transition: color 0.3s;
        }
        .breadcrumb a:hover {
            color: #00c9a7;
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        .breadcrumb strong {
            color: #666;
            font-weight: 500;
        }
        .download-hero {
            padding: 40px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .download-hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -200px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 201, 167, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .download-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 180, 216, 0.06) 0%, transparent 70%);
            border-radius: 50%;
        }
        .download-hero h1 {
            font-size: 42px;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .download-hero h1 em {
            font-style: normal;
            background: linear-gradient(135deg, #00c9a7, #00b4d8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .download-hero > .container > p {
            font-size: 17px;
            color: #888;
            margin-bottom: 50px;
            position: relative;
            z-index: 1;
        }
        .download-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 40px;
            position: relative;
            z-index: 1;
        }
        .download-card {
            background: #fff;
            border-radius: 20px;
            padding: 40px 24px;
            border: 1px solid #eee;
            transition: all 0.3s;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
        }
        .download-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
            border-color: #00c9a7;
        }
        .download-card-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #f0f9f7, #e8f5f3);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            transition: all 0.3s;
        }
        .download-card:hover .download-card-icon {
            background: linear-gradient(135deg, #00c9a7, #00b4d8);
        }
        .download-card-icon svg {
            transition: fill 0.3s;
        }
        .download-card:hover .download-card-icon svg {
            fill: #fff;
        }
        .download-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: #1a1a2e;
            margin-bottom: 8px;
        }
        .download-card .version {
            font-size: 13px;
            color: #00c9a7;
            font-weight: 500;
            margin-bottom: 8px;
        }
        .download-card .size {
            font-size: 13px;
            color: #999;
            margin-bottom: 20px;
        }
        .download-card .btn-card {
            width: 100%;
            padding: 12px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            text-align: center;
            transition: all 0.3s;
            background: linear-gradient(135deg, #00c9a7, #00b4d8);
            color: #fff;
            box-shadow: 0 4px 15px rgba(0, 201, 167, 0.3);
        }
        .download-card:hover .btn-card {
            box-shadow: 0 6px 25px rgba(0, 201, 167, 0.4);
        }
        .features-strip {
            padding: 80px 0;
            background: #fff;
        }
        .features-strip .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-tag {
            display: inline-block;
            background: linear-gradient(135deg, rgba(0, 201, 167, 0.1), rgba(0, 180, 216, 0.1));
            color: #00a086;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 16px;
        }
        .section-header h2 {
            font-size: 36px;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 16px;
        }
        .section-header p {
            font-size: 16px;
            color: #888;
            max-width: 500px;
            margin: 0 auto;
        }
        .features-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .features-strip-item {
            text-align: center;
            padding: 32px 20px;
            background: #f8f9fa;
            border-radius: 16px;
            transition: all 0.3s;
        }
        .features-strip-item:hover {
            background: #fff;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
            transform: translateY(-4px);
        }
        .features-strip-icon {
            width: 56px;
            height: 56px;
            background: #fff;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin: 0 auto 16px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
        }
        .features-strip-item:hover .features-strip-icon {
            background: linear-gradient(135deg, #00c9a7, #00b4d8);
        }
        .features-strip-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: #1a1a2e;
            margin-bottom: 8px;
        }
        .features-strip-item p {
            font-size: 13px;
            color: #888;
        }
        .install-steps {
            padding: 80px 0;
            background: linear-gradient(180deg, #fff 0%, #f0f9f7 100%);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(90deg, #00c9a7, #00b4d8);
            opacity: 0.2;
        }
        .step-item {
            text-align: center;
            position: relative;
        }
        .step-number {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #00c9a7, #00b4d8);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 auto 20px;
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 20px rgba(0, 201, 167, 0.3);
        }
        .step-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: #1a1a2e;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: #888;
            line-height: 1.6;
        }
        .faq-section {
            padding: 80px 0;
            background: #fff;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid #eee;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            cursor: pointer;
            transition: color 0.3s;
        }
        .faq-question:hover {
            color: #00c9a7;
        }
        .faq-question h4 {
            font-size: 16px;
            font-weight: 600;
            color: #1a1a2e;
            transition: color 0.3s;
        }
        .faq-question:hover h4 {
            color: #00c9a7;
        }
        .faq-question .arrow {
            width: 32px;
            height: 32px;
            background: #f8f9fa;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #999;
            transition: all 0.3s;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .arrow {
            background: linear-gradient(135deg, #00c9a7, #00b4d8);
            color: #fff;
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
        }
        .faq-answer p {
            padding-bottom: 24px;
            font-size: 14px;
            color: #888;
            line-height: 1.8;
        }
        .cta-btn {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            padding: 24px 16px;
            background: #fff;
            border: 1px solid #eee;
            border-radius: 14px;
            transition: all 0.3s;
        }
        .cta-btn:hover {
            border-color: #00c9a7;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            transform: translateY(-4px);
        }
        .cta-btn-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, #f0f9f7, #e8f5f3);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }
        .cta-btn:hover .cta-btn-icon {
            background: linear-gradient(135deg, #00c9a7, #00b4d8);
        }
        .cta-btn-icon svg {
            transition: fill 0.3s;
        }
        .cta-btn:hover .cta-btn-icon svg {
            fill: #fff;
        }
        .cta-btn strong {
            font-size: 14px;
            color: #333;
        }
        .cta-btn span {
            font-size: 12px;
            color: #999;
        }
        footer {
            background: #ffffff;
            padding: 60px 0 30px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo{
    display:flex;
    align-items:center;
    text-decoration:none;
}

        .footer-brand .logo-img{
    width:150px;
    height:32px;
    margin-right:8px;
}
        .footer-brand p {
            font-size: 14px;
            color: #888;
            line-height: 1.7;
        }
        .footer-links h4 {
            font-size: 14px;
            font-weight: 600;
            color: #888;
            margin-bottom: 16px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 13px;
            color: #888;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #00c9a7;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-bottom p {
            font-size: 13px;
            color: #666;
        }
        .footer-legal {
            display: flex;
            gap: 24px;
        }
        .footer-legal a {
            font-size: 13px;
            color: #666;
            transition: color 0.3s;
        }
        .footer-legal a:hover {
            color: #888;
        }
        @media (max-width: 1024px) {
            .download-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid::before {
                display: none;
            }
            .footer-content {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            nav {
                display: none;
            }
            .download-hero h1 {
                font-size: 30px;
            }
            .download-cards {
                grid-template-columns: 1fr;
            }
            .features-strip-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }
        }