.page-hero {
    background: linear-gradient(135deg, #4080ff 0%, #66a3ff 100%);
    padding: 80px 0;
    color: #fff;
    text-align: center;
}
.page-hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 15px;
}
.page-hero p {
    font-size: 1.15rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto 30px;
}
.page-hero .hero-img {
    max-width: 280px;
    margin-bottom: 30px;
}
.btn-download-hero {
    display: inline-block;
    background: #fff;
    color: #4080ff;
    padding: 16px 45px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
}
.btn-download-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    color: #4080ff;
}
.app-section {
    padding: 80px 0;
}
.app-section:nth-child(even) {
    background: #f8f9fa;
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}
.feature-card {
    background: #fff;
    border-radius: 16px;
    padding: 35px 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    border: 1px solid #f0f0f0;
    transition: all 0.3s;
}
.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(64,128,255,0.1);
    border-color: #4080ff;
}
.feature-card .icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #4080ff 0%, #66a3ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
    font-size: 1.5rem;
}
.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a1a2e;
}
.feature-card p {
    font-size: 0.93rem;
    color: #666;
    line-height: 1.7;
    margin: 0;
}
.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}
.platform-card {
    background: #fff;
    border-radius: 16px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    border: 1px solid #f0f0f0;
    transition: all 0.3s;
    text-decoration: none;
    display: block;
}
.platform-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 35px rgba(64,128,255,0.12);
    border-color: #4080ff;
}
.platform-card img {
    width: 48px;
    height: 48px;
    margin-bottom: 15px;
}
.platform-card h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: #1a1a2e;
    margin: 0 0 6px;
}
.platform-card p {
    font-size: 0.85rem;
    color: #999;
    margin: 0;
}
.benefit-list {
    max-width: 700px;
    margin: 0 auto;
}
.benefit-item {
    display: flex;
    align-items: center;
    gap: 18px;
    background: #fff;
    padding: 20px 25px;
    border-radius: 14px;
    margin-bottom: 15px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.03);
    border: 1px solid #f0f0f0;
    transition: all 0.3s;
}
.benefit-item:hover {
    border-color: #4080ff;
    box-shadow: 0 6px 20px rgba(64,128,255,0.08);
}
.benefit-item .check {
    width: 32px;
    height: 32px;
    background: #22c55e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.9rem;
    flex-shrink: 0;
}
.benefit-item span {
    font-size: 1rem;
    color: #444;
}
.qr-section {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}
.qr-item {
    text-align: center;
}
.qr-item .qr-placeholder {
    width: 140px;
    height: 140px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4080ff;
    font-size: 3rem;
    margin-bottom: 12px;
    border: 2px dashed #d0d8e8;
}
.qr-item p {
    font-size: 0.9rem;
    color: #666;
    font-weight: 600;
}
@media (max-width: 768px) {
    .page-hero h1 { font-size: 2rem; }
    .page-hero .hero-img { max-width: 200px; }
    .platform-grid { grid-template-columns: repeat(2, 1fr); }
    .qr-section { gap: 25px; }
}