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

html {
    font-size: 10px;
    scroll-behavior: smooth;
}

body {
    font-family: Arial, sans-serif;
    color: #333;
    background-color: #fff;
    line-height: 1.5;
    width: 100%;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: #333;
}

a:hover {
    color: #3BA9E5;
}

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

/* Hero Section */
.hero {
    position: relative;
    width: 100%;
    height: 74.6rem;
    overflow: hidden;
    margin: 0 auto;
    max-width: 144rem;
}

.hero-bg {
    position: absolute;
    top: 0;
    right: -16.4rem;
    width: 127.6rem;
    height: 85.1rem;
    z-index: 1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 30rem;
    background: linear-gradient(to bottom, #ffffff 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    max-width: 144rem;
    margin: 0 auto;
    background: linear-gradient(to right, #ffffff 28.8%, rgba(255,255,255,0) 49.5%);
    padding-left: 10rem;
    padding-top: 21.3rem;
}

.hero-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-text p.subtitle {
    font-size: 2.6rem;
    margin-bottom: 3rem;
    color: #333;
}

.hero-text h1 {
    font-size: 8rem;
    font-weight: bold;
    line-height: 1;
    max-width: 65.2rem;
    margin-bottom: 3rem;
    color: #333;
}

.btn-primary {
    display: inline-block;
    background-color: #ff5930;
    color: #fff;
    font-size: 2rem;
    padding: 0.5rem 3.2rem;
    border-radius: 5.4rem;
    text-align: center;
    transition: background-color 0.3s;
}

.btn-primary:hover {
    background-color: #e04e2a;
    color: #fff !important;
}

/* App Preview Section */
.app-preview {
    padding: 24rem 10rem 0;
    max-width: 144rem;
    margin: 0 auto;
}

.preview-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 55.2rem;
    scroll-margin-top: 10rem;
}

.preview-phones {
    display: flex;
    gap: 1.8rem;
}

.phone {
    width: 22.6rem;
    height: 55.2rem;
}

.preview-text {
    width: 44.8rem;
}

.preview-text h2 {
    font-size: 5.4rem;
    font-weight: bold;
    line-height: 4.4rem;
    margin-bottom: 3rem;
    color: #333;
}

.preview-text p {
    font-size: 3.2rem;
    line-height: 4.4rem;
    margin-bottom: 6.5rem;
    color: #333;
}

.download-wrap {
    display: flex;
    align-items: flex-start;
    gap: 6.4rem;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.btn-store img {
    width: 19.8rem;
    height: 5.9rem;
}

.qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
}

.qrcode_preview > svg,
.qrcode_preview > canvas {
    width: 100% !important;
    height: 100% !important;
}

.qr-code img {
    width: 12.8rem;
    height: 12.8rem;
}

.qr-code span {
    font-size: 1.4rem;
}

/* Features Section */
.features {
    padding: 24rem 10rem 0;
    max-width: 144rem;
    margin: 0 auto;
}

.features h2 {
    font-size: 5.4rem;
    font-weight: bold;
    margin-bottom: 11rem;
    color: #333;
    line-height: 6.6rem;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24.3rem 15.2rem;
    position: relative;
}

.features-grid::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(
        to bottom,
        #e5e5e5 0,
        #e5e5e5 calc(50% - 12rem),
        transparent calc(50% - 12rem),
        transparent calc(50% + 12rem),
        #e5e5e5 calc(50% + 12rem),
        #e5e5e5 100%
    );
    transform: translateX(-50%);
}

.feature-item {
    position: relative;
}

.feature-num {
    font-size: 6.6rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 1.85rem;
    margin-left: 12.5rem;
    line-height: 1;
}

.feature-body {
    display: flex;
    align-items: flex-end;
    gap: 5.5rem;
    margin-bottom: 3.87rem;
}

.feature-icon img {
    width: 7rem;
    height: 8.5rem;
}

.feature-text h3 {
    font-size: 2.6rem;
    font-weight: bold;
    color: #333;
    line-height: 3.4rem;
    margin-bottom: 0;
    max-width: 22.5rem;
}

.feature-item:nth-child(even) .feature-text h3 {
    max-width: 20.1rem;
}

.feature-desc {
    font-size: 2rem;
    color: #333;
    line-height: 2.8rem;
    max-width: 43rem;
}

.card-strip {
    padding: 15.2rem 10rem 0;
    max-width: 144rem;
    margin: 0 auto;
}

.card-strip-inner {
    display: flex;
    justify-content: space-between;
    gap: 3.2rem;
}

.card-strip-inner img {
    width: 20.7rem;
    height: 44.3rem;
    object-fit: contain;
}

/* Stats Section */
.stats {
    padding: 27rem 10rem 0;
    max-width: 144rem;
    margin: 0 auto;
}

.stats h2 {
    font-size: 5.4rem;
    font-weight: bold;
    margin-bottom: 8.0rem;
}

.stats-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    width: 63rem;
}

.stat-item {
    width: 30rem;
    height: 20rem;
    border-radius: 2rem;
    padding-left: 4.1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
}

.bg-light {
    background-color: #fff7f5;
}

.bg-orange {
    background-color: #ff5930;
}

.text-white {
    color: #fff;
}

.stat-item h4 {
    font-size: 5.4rem;
    font-weight: bold;
    margin-bottom: 0;
    line-height: 6.6rem;
}

.stat-item p {
    font-size: 2.8rem;
    color: #666;
    white-space: nowrap;
    line-height: 3.2rem;
}

.bg-orange p {
    color: #fff;
}

.stats-map {
    width: 54.2rem;
    height: 43rem;
    border-radius: 2rem;
    overflow: hidden;
}

.stats-map img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-strip {
    padding: 12.7rem 10rem 0;
    max-width: 144rem;
    margin: 0 auto;
}

.brand-strip-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9.8rem;
}

.brand-strip-inner img:nth-child(1) {
    width: 28.6rem;
    height: 4rem;
}

.brand-strip-inner img:nth-child(2) {
    width: 27.6rem;
    height: 4rem;
}

.brand-strip-inner img:nth-child(3) {
    width: 29.2rem;
    height: 4rem;
}

/* Reviews Section */
.reviews {
    padding: 27rem 10rem 16.2rem;
    max-width: 144rem;
    margin: 0 auto;
}

.reviews-header h2 {
    font-size: 5.4rem;
    font-weight: bold;
    margin-bottom: 4.9rem;
}

.reviews-content {
    display: flex;
    gap: 3.2rem;
}

.rating-box {
    width: 30rem;
    height: 37.2rem;
    border-radius: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3.9rem 0;
}

.rating-box .score {
    font-size: 5.4rem;
    font-weight: bold;
    margin-bottom: 1.2rem;
}

.rating-box .stars {
    display: flex;
    gap: 0.3rem;
    margin-bottom: 5.1rem;
}

.rating-box .stars img {
    width: 3.6rem;
    height: 3.6rem;
}

.rating-box p {
    font-size: 2.2rem;
    text-align: center;
    max-width: 28.3rem;
    line-height: 1.36;
    margin-bottom: 2.4rem;
}

.user-avatars {
    display: flex;
    margin-left: 1rem;
}

.user-avatars img {
    width: 4.4rem;
    height: 4.4rem;
    border-radius: 50%;
    margin-left: -1rem;
    border: 1px solid #fff;
}

.user-avatars img:first-child {
    margin-left: 0;
}

.review-card {
    width: 90.8rem;
    height: 37.2rem;
    border: 1px solid #e5e5e5;
    border-radius: 2rem;
    padding: 4rem 3.3rem 3.4rem;
    display: flex;
    flex-direction: column;
}

.review-stars-container {
    display: flex;
    gap: 0.3rem;
    margin-bottom: 3.7rem;
}

.review-stars-container img {
    width: 3.6rem;
    height: 3.6rem;
}

.review-text {
    font-size: 3.2rem;
    line-height: 1.43;
    margin-bottom: 2.8rem;
    color: #333;
    flex: 1;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    text-overflow: ellipsis;
}

.review-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.review-author {
    font-size: 4rem;
    font-weight: bold;
    color: #333;
}

.review-arrows {
    display: flex;
    gap: 2.2rem;
}

.review-arrows .nav-btn {
    width: 4.4rem;
    height: 4.4rem;
    cursor: pointer;
}

.review-arrows .nav-btn.inactive {
    cursor: not-allowed;
}

.review-arrows .prev {
    content: url('../images_v4/review_prev_active.png');
}

.review-arrows .prev.inactive {
    content: url('../images_v4/review_prev_inactive.png');
}

.review-arrows .next {
    content: url('../images_v4/review_next_active.png');
}

.review-arrows .next.inactive {
    content: url('../images_v4/review_next_inactive.png');
}

/* Responsive adjustments */
@media screen and (max-width: 1024px) {
    html {
        font-size: 8px;
    }
    
    .features-grid {
        gap: 5rem 10rem;
    }
}

@media screen and (max-width: 768px) {
    html {
        font-size: 6px;
    }
    
    .hero-bg {
        width: 100%;
        right: 0;
        border-radius: 0;
    }
    
    .hero-content {
        padding-left: 5rem;
        padding-top: 16rem;
    }
    
    .preview-container {
        flex-direction: column;
    }

    .app-preview,
    .features,
    .card-strip,
    .stats,
    .brand-strip,
    .reviews {
        padding-left: 5rem;
        padding-right: 5rem;
        padding-top: 8rem;
    }
    
    .preview-text {
        width: 100%;
        margin-top: 5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid::before {
        display: none;
    }
    
    .stats-container {
        flex-direction: column;
        gap: 5rem;
    }
    
    .stats-grid {
        width: 100%;
    }
    
    .stats-map {
        width: 100%;
    }

    .card-strip-inner {
        flex-wrap: wrap;
        justify-content: center;
    }

    .brand-strip-inner {
        flex-direction: column;
        gap: 3rem;
    }
    
    .reviews-content {
        flex-direction: column;
        gap: 5rem;
    }
    
    .rating-box, .review-card {
        width: 100%;
    }
}