* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8fff9;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.header {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(76,175,80,0.1);
}
.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
}
.logo-img {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    margin-right: 12px;
}
.logo-text {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.nav {
    display: flex;
    gap: 28px;
}
.nav-link {
    color: #555;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}
.nav-link:hover {
    color: #4CAF50;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
    border-radius: 2px;
    transition: width 0.3s;
}
.nav-link:hover::after {
    width: 100%;
}
.btn {outline:none;
    padding: 11px 28px;
    border: none;
    border-radius: 28px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}
.btn:hover::before {
    width: 300px;
    height: 300px;
}
.btn-primary {
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(76,175,80,0.35);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(76,175,80,0.45);
}
.btn-secondary {
    background: rgba(76,175,80,0.1);
    color: #4CAF50;
    border: 2px solid rgba(76,175,80,0.2);
}
.btn-secondary:hover {
    background: rgba(76,175,80,0.15);
    border-color: rgba(76,175,80,0.4);
    transform: translateY(-2px);
}
.btn-large {
    padding: 16px 45px;
    font-size: 18px;
}
.btn-read {
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
    color: #fff;
    padding: 10px 24px;
    font-size: 14px;
    margin-top: 18px;
    box-shadow: 0 4px 12px rgba(76,175,80,0.3);
}
.btn-read:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(76,175,80,0.4);
}
.hero {
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 60%, #1B5E20 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    filter: blur(40px);
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
    filter: blur(30px);
}
.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
    gap: 60px;
}
.hero-info {
    flex: 1;
    max-width: 600px;
}
.badge {
    background: rgba(255,255,255,0.95);
    color: #4CAF50;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 28px;
    box-shadow: 0 4px 15px rgba(255,255,255,0.2);
}
.badge::before {
    content: '✓';
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}
.hero-title {
    font-size: 52px;
    font-weight: 900;
    color: #fff;
    margin-bottom: 22px;
    line-height: 1.15;
    letter-spacing: -1px;
}
.hero-sub {
    display: block;
    font-size: 26px;
    font-weight: 400;
    margin-top: 12px;
    opacity: 0.95;
    letter-spacing: normal;
}
.hero-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.88);
    margin-bottom: 30px;
    line-height: 1.7;
}
.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 35px;
}
.tag {
    background: rgba(255,255,255,0.18);
    backdrop-filter: blur(10px);
    color: #fff;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s;
}
.tag:hover {
    background: rgba(255,255,255,0.28);
    transform: translateY(-2px);
}
.hero-stats {
    display: flex;
    gap: 50px;
    margin-bottom: 35px;
}
.stat-item {
    text-align: left;
}
.stat-value {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: #fff;
}
.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    font-weight: 500;
}
.hero-buttons {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.qr-box-small {
    background: rgba(255,255,255,0.95);
    padding: 10px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    transition: all 0.35s;
}
.qr-box-small:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.25);
}
.qr-img-small {
    width: 100px;
    height: 100px;
    border-radius: 8px;
}
.qr-text-small {
    color: #4CAF50;
    font-weight: 600;
    font-size: 13px;
    display: block;
    margin-top:2px;
}
.hero-app-preview {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}
.app-preview-frame {
    width: 220px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    border-radius: 30px;
    padding: 12px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.3);
    animation: float 4s ease-in-out infinite;
}
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-25px);
    }
}
.app-preview-img {
    width: 100%;
    height: auto;
    border-radius: 22px;
}
.app-preview-text {
    color: rgba(255,255,255,0.9);
    font-size:24px;
    margin-top: 22px;
    font-weight: 600;
    letter-spacing: 1px;
}
section {
    padding: 45px 0;
}
.section-title {
    font-size: 40px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 22px;
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}
.section-desc {
    text-align: center;
    color: #666;
    margin-bottom: 45px;
    font-size: 18px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}
.feature-card {
    background: #fff;
    padding: 45px 35px;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(76,175,80,0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #4CAF50 0%, #8BC34A 50%, #4CAF50 100%);
    transform: scaleX(0);
    transition: transform 0.4s;
}
.feature-card:hover::before {
    transform: scaleX(1);
}
.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 45px rgba(76,175,80,0.18);
}
.feature-icon {
    font-size: 52px;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 10px rgba(76,175,80,0.2));
}
.feature-title {
    font-size: 22px;
    font-weight: 700;
    color: #333;
    margin-bottom: 18px;
}
.feature-desc {
    color: #666;
    font-size: 15px;
    line-height: 1.75;
}
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(370px, 1fr));
    gap: 32px;
}
.article-card {
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(76,175,80,0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(76,175,80,0.15);
}
.article-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}
.article-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}
.article-card:hover .article-img {
    transform: scale(1.08);
}
.article-content {
    padding: 28px;
}
.article-title {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 16px;
    line-height: 1.4;
    transition: color 0.3s;
}
.article-card:hover .article-title {
    color: #4CAF50;
}
.article-excerpt {
    color: #666;
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}
.article-meta {
    display: flex;
    gap: 18px;
    font-size: 13px;
    color: #999;
}
.article-tag {
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
    color: #fff;
    padding: 5px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}
.about-content {
    max-width: 900px;
    margin: 0 auto;
}
.about-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin: 35px 0 18px;
    padding-bottom: 12px;
    border-bottom: 4px solid #4CAF50;
    position: relative;
}
.about-content h3::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 60px;
    height: 4px;
    background: #8BC34A;
}
.about-content p {
    color: #666;
    font-size: 16px;
    line-height: 1.85;
    margin-bottom: 18px;
}
.about-content strong {
    color: #4CAF50;
    font-weight: 600;
}
.install-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 45px;
}
.step-item {
    text-align: center;
    position: relative;
}
.step-item:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -22px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: #4CAF50;
    font-weight: bold;
}
.step-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    margin: 0 auto 25px;
    box-shadow: 0 8px 25px rgba(76,175,80,0.3);
    transition: all 0.3s;
}
.step-item:hover .step-number {
    transform: scale(1.15);
    box-shadow: 0 12px 35px rgba(76,175,80,0.4);
}
.step-title {
    font-size: 22px;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
}
.step-desc {
    color: #666;
    font-size: 15px;
    line-height: 1.7;
}
.faq-content {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    background: #fff;
    padding: 25px 35px;
    border-radius: 20px;
    margin-bottom: 20px;
    box-shadow: 0 3px 15px rgba(76,175,80,0.05);
    transition: all 0.35s;
}
.faq-item:hover {
    box-shadow: 0 8px 25px rgba(76,175,80,0.12);
    transform: translateX(8px);
}
.faq-question {
    font-size: 17px;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.faq-question::before {
    content: '?';
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}
.faq-answer {
    color: #666;
    font-size: 15px;
    line-height: 1.75;
    padding-left: 36px;
}
.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}
.tag-item {
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
    color: #fff;
    padding: 12px 24px;
    border-radius: 28px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.35s;
    box-shadow: 0 4px 15px rgba(76,175,80,0.3);
}
.tag-item:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 8px 25px rgba(76,175,80,0.4);
}
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}
.review-card {
    background: #fff;
    padding: 35px;
    border-radius: 22px;
    box-shadow: 0 4px 20px rgba(76,175,80,0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}
.review-card::before {
    content: '"';
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 60px;
    color: rgba(76,175,80,0.08);
    font-weight: bold;
}
.review-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 18px 40px rgba(76,175,80,0.15);
}
.review-rating {
    font-size: 28px;
    margin-bottom: 22px;
    display: flex;
    gap: 4px;
}
.review-text {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 25px;
    font-style: italic;
}
.review-author {
    display: flex;
    align-items: center;
}
.review-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-right: 18px;
    box-shadow: 0 4px 12px rgba(76,175,80,0.3);
}
.review-name {
    color: #333;
    font-size: 16px;
    font-weight: 600;
}
.cta {
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 60%, #1B5E20 100%);
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.cta::before {
    content: '';
    position: absolute;
    top: -150px;
    left: -150px;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
    filter: blur(50px);
}
.cta-title {
    font-size: 42px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 22px;
    position: relative;
    z-index: 1;
}
.cta-desc {
    font-size: 19px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}
.footer {
    background: #1a1a1a;
    padding: 40px 0 35px;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    /*margin-bottom: 50px;*/
}
.footer-logo {
    display: flex;
    align-items: center;
}
.footer-logo img {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    margin-right: 14px;
}
.footer-name {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
}
.footer-links {
    display: flex;
    gap: 25px;
}
.footer-links a {
    color: #888;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s;
}
.footer-links a:hover {
    color: #4CAF50;
}
.footer-info p {
    color: #666;
    font-size: 14px;
    margin-bottom: 6px;
}
.footer-bottom {
    border-top: 1px solid #2a2a2a;
    padding-top: 35px;
    text-align: center;
}
.footer-bottom p {
    color: #555;
    font-size: 13px;
    margin-bottom: 12px;
}
.mobile-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    padding: 18px 24px;
    box-shadow: 0 -8px 30px rgba(0,0,0,0.1);
    z-index: 1000;
}
.mobile-bar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.mobile-bar-info {
    display: flex;
    align-items: center;
}
.mobile-bar-logo {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    margin-right: 16px;
}
.mobile-bar-title {
    font-size: 17px;
    font-weight: 700;
    color: #333;
}
.mobile-bar-desc {
    font-size: 13px;
    color: #666;
}
.mobile-download-btn {
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
    color: #fff;
    padding: 14px 20px;
    border-radius: 28px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(76,175,80,0.4);
}
.article-header {
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 60%, #1B5E20 100%);
    padding: 70px 0;
    text-align: center;
}
.article-header .article-title {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 18px;
}
.article-header .article-subtitle {
    font-size: 20px;
    font-weight: 400;
    color: rgba(255,255,255,0.9);
    margin-bottom: 25px;
}
.article-header .article-meta {
    display: flex;
    justify-content: center;
    gap: 25px;
    color: rgba(255,255,255,0.8);
    font-size: 14px;
}
.article-content {
    max-width: 800px;
    margin: 0 auto;
}
.article-content p {
    color: #666;
    font-size: 16px;
    line-height: 1.9;
    margin-bottom: 22px;
}
.article-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin: 35px 0 18px;
    padding-bottom: 12px;
    border-bottom: 4px solid #4CAF50;
    position: relative;
}
.article-content h3::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 60px;
    height: 4px;
    background: #8BC34A;
}
.article-content ul {
    margin-left: 24px;
    margin-bottom: 22px;
}
.article-content li {
    color: #666;
    font-size: 16px;
    line-height: 1.9;
    margin-bottom: 12px;
}
.article-content strong {
    color: #4CAF50;
    font-weight: 600;
}
.article-download {
    text-align: center;
    margin-top: 50px;
    padding: 40px;
    background: #f0fff4;
    border-radius: 20px;
    border: 2px dashed rgba(76,175,80,0.2);
}

@media (max-width: 992px) {
    .nav {
        display: none;
    }
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 50px;
    }
    .hero-info {
        padding-right: 0;
        max-width: 100%;
    }
    .hero-title {
        font-size: 40px;
    }
    .hero-sub {
        font-size: 22px;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
        gap: 40px;
    }
    .stat-item {
        text-align: center;
    }
    .footer-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .mobile-bar {
        display: block;
    }
    section {
        padding: 25px 0;
    }
    section:last-of-type {
        padding-bottom: 10px;
    }
    .hero {
        padding: 80px 0;
    }
    .hero-content {
        gap: 45px;
    }
    .hero-info {
        margin-bottom: 0;
    }
    .hero-title {
        font-size: 34px;
    }
    .hero-sub {
        font-size: 20px;
    }
    .hero-desc {
        font-size: 16px;
    }
    .hero-stats {
        margin-bottom: 30px;
    }
    .hero-buttons {
        margin-bottom: 25px;
    }
    .section-title {
        font-size: 32px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    .install-steps {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .step-item:not(:last-child)::after {
        display: none;
    }
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    .hero-tags {
        justify-content: center;
    }
    .btn-large {
        padding: 14px 35px;
        font-size: 16px;
    }
    .hero-buttons {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    .qr-img-small {
        width: 75px;
        height: 75px;
    }
    .app-preview-frame {
        width: 160px;
        border-radius: 24px;
    }
    .app-preview-text {
        margin-top: 18px;
    }
    .cta-title {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 18px 50px;
    }
    .header .container {
        padding: 0 18px 0px;
    }
    .hero-title {
        font-size: 28px;
    }
    .hero-sub {
        font-size: 18px;
    }
    .hero-desc {
        font-size: 15px;
    }
    .stat-value {
        font-size: 22px;
    }
    .tag-item {
        padding: 10px 18px;
        font-size: 13px;
    }
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    .app-preview-frame {
        width: 140px;
    }
}