/* ========== Hero Section ========== */
.hero {
    padding-top: 60px;
    background: url('../images/bg.png') no-repeat center center;
    background-size: cover;
    position: relative;
    overflow: hidden;
}
.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 134px 20px 144px 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-content {
    padding-top:60px ;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
    flex: 1;
    max-width: 520px;
    margin: 0 auto
}
.hero-image {
    font-size: 0;
    margin: 0 auto
}

.hero-image{
    max-width: 614px;
}

.hero-image img{
    width: 100%;
}
.hero-subtitle {
    font-size: 26px;
    font-family: OPPOSans-M, OPPOSans-M;
    font-weight: normal;
    color: #26272D;
    line-height: 54px;
    letter-spacing: 2.5px;
}

.hero-title {
    font-family: OPPOSans-B, OPPOSans-B;
    font-size: 50px;
    color: #26272D;
    letter-spacing: 4.9px;
    line-height: 1;
    margin-bottom: 30px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}

.hero-tag {
    width: 101px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    font-size: 13px;
    color: #26272D;
    background: url('../images/btn_se_1.png') no-repeat center center;
    background-size: cover;
    font-family: OPPOSans-M, OPPOSans-M;
    font-weight: normal;
    letter-spacing: 1.3px;
    font-weight: normal;
}

.btn-primary {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 236px;
    height: 40px;
    background: url('../images/btn_se_2.png') no-repeat center center;
    background-size: cover;
    font-family: OPPOSans-M, OPPOSans-M;
    color: #FFFFFF;
    font-size: 16px;
    border: none;
    font-weight: 500;
    cursor: pointer;
    overflow: hidden;
    letter-spacing: 1.6px;
    font-weight: normal;
}

.btn-primary img {
    width: 24px;
    height: 22px;
    margin-right: 15px;
}

.hero-tip {
    font-family: OPPOSans-M, OPPOSans-M;
    font-weight: normal;
    margin-top: 30px;
    font-size: 15px;
    line-height: 22px;
    color: #2052FD;
    letter-spacing: 1.3px;
    margin-bottom: 10px;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ========== Download Section ========== */
.download-section {
    padding: 80px 20px;
    background: #FAFBFF;
}

.download-inner {
    max-width: 1040px;
    margin: 0 auto;
}

.download-tabs {
    display: flex;
    justify-content: center;
    gap: 80px;
}

.download-tabs-border{
    margin-bottom: 50px;
    line-height: 1;
    font-size: 0;
}

.download-tabs-border img{
    width: 100%;
}

.download-tab {
    position: relative;
    padding-bottom: 16px;
    font-size: 20px;
    color: #333;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: inherit;
}

.download-tab .show{
    display: block;
}

.download-tab .activeShow{
    display: none;
}

.download-tab.active .show{
    display: none;
}

.download-tab.active .activeShow{
    display: block;
}


.download-tab .activeBorder{
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    display: none;
}

.download-tab.active .activeBorder{
    display: block;
}

.download-tab svg {
    width: 22px;
    height: 22px;
}

.download-tab:nth-last-of-type(1) img{
    width: 100px;
}

.download-tab:nth-last-of-type(2) img{
    width: 157px;
}

.download-tab:nth-last-of-type(3) img{
    width: 92px;
}


.download-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 70px 60px 50px 60px;
    gap: 60px;
    min-height: 250px;
}

.download-info .bold {
    font-family: OPPOSans-B, OPPOSans-B;
    font-weight: normal;
    line-height: 1;
    font-size: 36px;
    color: #26272D;
    letter-spacing: 3.6px;
    margin-bottom: 15px;
}

.download-info p.desc {
    font-family: OPPOSans-R, OPPOSans-R;
    font-weight: normal;
    font-size: 18px;
    color: #26272D;
    line-height: 30px;
    letter-spacing: 1.8px;
    margin-bottom: 28px;
}

.download-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
}

.btn-download {
    width: 148px;
    height: 42px;
    line-height: 42px;
    text-align: center;
    background-image: url('../images/down/icon7.png');
    background-size: contain;
    background-position: center center;
    background-repeat: no-repeat;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    border: none;
    font-family: OPPOSans-R, OPPOSans-R;
    font-weight: normal;
    letter-spacing: 1.9px;
}

.btn-outline {
    width: 182px;
    height: 44px;
    line-height: 44px;
    text-align: center;
    background-image: url('../images/down/icon4.png');
    background-size: contain;
    background-position: center center;
    background-repeat: no-repeat;
    color: #26272D;
    border: none;
    font-size: 20px;
    cursor: pointer;
    font-family: OPPOSans-R, OPPOSans-R;
    letter-spacing: 1.9px;
}


.download-notice {
    font-family: OPPOSans-R, OPPOSans-R;
    font-weight: normal;
    font-size: 16px;
    color: #FF6B7D;
    line-height: 22px;
    letter-spacing: 1.2px;
}

.download-visual{
    flex: 1;
    text-align: center;
}

.download-icon-large img{
    max-width: 100%;
}
/* ========== Footer ========== */
.footer {
    background: #4A4A4A;
    color: #fff;
    font-family: OPPOSans, OPPOSans;
    padding: 40px 20px 20px;
}

.footer-inner {
    max-width: 1040px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 2px solid #666;
}

.footer-qr {
    text-align: center;
}

.footer-qr .logo {
    margin-bottom: 16px;
}
.footer-qr .logo img{
    width: 142px;
}
.qr-code {
    width: 170px;
    height: 170px;
    background: #FFF;
    border-radius: 8px;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.qr-code img{
    width: 100%;
}


.footer-links .bold,
.footer-contact .bold {
    color: #FFF;
    font-size: 14px;
    margin-bottom: 16px;
    letter-spacing: 1.5px;
    line-height: 1;
    font-family: OPPOSans-B, OPPOSans-B;
}

.footer-links a {
    display: block;
    font-size: 12px;
    color: #fff;
    margin-bottom: 8px;
    line-height: 18px;
    letter-spacing: 1.2px;
    font-family: OPPOSans-R, OPPOSans-R;
}

.footer-links a:hover {
    color: #FF6B8A;
}

.footer-contact p {
    font-size: 12px;
    margin-bottom: 6px;
    line-height: 1.5;
}

.footer-bottom {
    max-width: 1000px;
    margin: 0 auto;
    padding-top: 20px;
    text-align: center;
    font-size: 10px;
    color: #fff;
    letter-spacing: 1.2px;
    font-family: OPPOSans-R, OPPOSans-R;
    line-height: 24px;
}

.footer-bottom a {
    color: #fff;
    font-family: OPPOSans-R, OPPOSans-R;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.overlay.active {
    display: flex;
    opacity: 1;
}

.dialog {
    border-radius: 12px;
    max-width: 90%;
    text-align: center;
    position: relative;
    z-index: 1001;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.model{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.7);
}

.dialog.active {
    transform: translateY(0);
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-inner {
        padding-top: 30px ;
        padding-bottom: 30px;
        text-align: center;
    }
    .hero-content{
        padding: 0;
    }

    .hero-tags {
        justify-content: center;
    }

    .btn-primary{
        margin: 0 auto;
    }

    .footer-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .hero-title,.hero-subtitle{
        letter-spacing: 1.5px;
    }
    
    .download-section{
        padding: 30px 15px;
    }

    .btn-download{
        width: 100px;
    }

    .btn-outline{
        width: 140px;
    }

    .download-info .bold{
        letter-spacing: 1.8px;
    }

    .download-info p.desc{
        letter-spacing: 1.1px;
    }

    .download-tabs-border{
        margin-bottom: 20px;
    }

    .download-tabs{
        max-width: 700px;
        padding: 0 10px;
        justify-content: space-between;
        gap: 0;
    }
    .download-content{
        padding: 20px 10px;
    }
    .download-tab:nth-of-type(1) img:nth-of-type(1){
        width: 80px;
    }
    .download-tab:nth-of-type(1) img:nth-of-type(2){
        width: 80px;
    }
    .download-tab:nth-of-type(1) img:nth-of-type(3){
        width: 100%;
    }
    .download-tab:nth-of-type(2) img:nth-of-type(1){
        width: 110px;
    }
    .download-tab:nth-of-type(2) img:nth-of-type(2){
        width: 110px;
    }
    .download-tab:nth-of-type(2) img:nth-of-type(3){
        width: 100%;
    }
    .download-tab:nth-of-type(3) img:nth-of-type(1){
        width: 60px;
    }
    .download-tab:nth-of-type(3) img:nth-of-type(2){
        width: 60px;
    }
    .download-tab:nth-of-type(3) img:nth-of-type(3){
        width: 100%;
    }
}

@media (max-width: 375px) {
    .download-tab:nth-of-type(1) img:nth-of-type(1){
        width: 50px;
    }
    .download-tab:nth-of-type(1) img:nth-of-type(2){
        width: 50px;
    }
    .download-tab:nth-of-type(1) img:nth-of-type(3){
        width: 100%;
    }
    .download-tab:nth-of-type(2) img:nth-of-type(1){
        width: 80px;
    }
    .download-tab:nth-of-type(2) img:nth-of-type(2){
        width: 80px;
    }
    .download-tab:nth-of-type(2) img:nth-of-type(3){
        width: 100%;
    }
    .download-tab:nth-of-type(3) img:nth-of-type(1){
        width: 40px;
    }
    .download-tab:nth-of-type(3) img:nth-of-type(2){
        width: 40px;
    }
    .download-tab:nth-of-type(3) img:nth-of-type(3){
        width: 100%;
    }
}