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

body {
    font-family: "Roboto", "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    margin: 0;
    padding: 0;
    font-size: 16px;
    line-height: 1.6;
    color: #23262f;
    background-color: #fff;
}

h1, h2, h3, h4, h5, h6, p, ol, ul, li, span, label {
    margin-bottom: 0px;
}

img {
    vertical-align: middle
}

a {
    text-decoration: none;
    color: #23262f;
}

a:hover {
    text-decoration: none;
    color: inherit;
}

.p-0{padding:0!important}
.pt-0,.py-0{padding-top:0!important}
.pr-0,.px-0{padding-right:0!important}
.pb-0,.py-0{padding-bottom:0!important}
.pl-0,.px-0{padding-left:0!important}
.p-1{padding:.3125rem!important}
.pt-1,.py-1{padding-top:.3125rem!important}
.pr-1,.px-1{padding-right:.3125rem!important}
.pb-1,.py-1{padding-bottom:.3125rem!important}
.pl-1,.px-1{padding-left:.3125rem!important}
.p-2{padding:.625rem!important}
.pt-2,.py-2{padding-top:.625rem!important}
.pr-2,.px-2{padding-right:.625rem!important}
.pb-2,.py-2{padding-bottom:.625rem!important}
.pl-2,.px-2{padding-left:.625rem!important}
.p-3{padding:1.25rem!important}
.pt-3,.py-3{padding-top:1.25rem!important}
.pr-3,.px-3{padding-right:1.25rem!important}
.pb-3,.py-3{padding-bottom:1.25rem!important}
.pl-3,.px-3{padding-left:1.25rem!important}
.p-4{padding:1.875rem!important}
.pt-4,.py-4{padding-top:1.875rem!important}
.pr-4,.px-4{padding-right:1.875rem!important}
.pb-4,.py-4{padding-bottom:1.875rem!important}
.pl-4,.px-4{padding-left:1.875rem!important}
.p-5{padding:2.5rem!important}
.pt-5,.py-5{padding-top:2.5rem!important}
.pr-5,.px-5{padding-right:2.5rem!important}
.pb-5,.py-5{padding-bottom:2.5rem!important}
.pl-5,.px-5{padding-left:2.5rem!important}

.m-0{margin:0!important}
.mt-0,.my-0{margin-top:0!important}
.mr-0,.mx-0{margin-right:0!important}
.mb-0,.my-0{margin-bottom:0!important}
.ml-0,.mx-0{margin-left:0!important}
.m-1{margin:.3125rem!important}
.mt-1,.my-1{margin-top:.3125rem!important}
.mr-1,.mx-1{margin-right:.3125rem!important}
.mb-1,.my-1{margin-bottom:.3125rem!important}
.ml-1,.mx-1{margin-left:.3125rem!important}
.m-2{margin:.625rem!important}
.mt-2,.my-2{margin-top:.625rem!important}
.mr-2,.mx-2{margin-right:.625rem!important}
.mb-2,.my-2{margin-bottom:.625rem!important}
.ml-2,.mx-2{margin-left:.625rem!important}
.m-3{margin:1.25rem!important}
.mt-3,.my-3{margin-top:1.25rem!important}
.mr-3,.mx-3{margin-right:1.25rem!important}
.mb-3,.my-3{margin-bottom:1.25rem!important}
.ml-3,.mx-3{margin-left:1.25rem!important}
.m-4{margin:1.875rem!important}
.mt-4,.my-4{margin-top:1.875rem!important}
.mr-4,.mx-4{margin-right:1.875rem!important}
.mb-4,.my-4{margin-bottom:1.875rem!important}
.ml-4,.mx-4{margin-left:1.875rem!important}
.m-5{margin:2.5rem!important}
.mt-5,.my-5{margin-top:2.5rem!important}
.mr-5,.mx-5{margin-right:2.5rem!important}
.mb-5,.my-5{margin-bottom:2.5rem!important}
.ml-5,.mx-5{margin-left:2.5rem!important}

.bg-gradient-primary {
    background: linear-gradient(to right, #3498db, #2ecc71);
}

.text-gradient {
    background: linear-gradient(to right, #3498db, #2ecc71);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-bingpay {
    background: linear-gradient(to right, #3498db, #2ecc71);
    color: white;
    border: none;
    transition: all 0.3s ease;
}

.btn-bingpay:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.3);
    color: white;
}

.crypto-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.feature-card {
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
    border: none;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.hero-section {
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.testimonial-card {
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.navbar-bingpay {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.9);
}

/*.demo-img {*/
/*    border-radius: 1rem;*/
/*    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);*/
/*}*/

.coin-float {
    position: absolute;
    z-index: -1;
    opacity: 0.3;
}

#coin1 {
    top: 15%;
    left: 10%;
    animation: floating 4s ease-in-out infinite;
}

#coin2 {
    top: 60%;
    right: 5%;
    animation: floating 5s ease-in-out infinite;
}

#coin3 {
    bottom: 10%;
    left: 20%;
    animation: floating 3.5s ease-in-out infinite;
}

.navbar-nav .nav-link {
    position: relative;
    margin-right: 15px;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: linear-gradient(to right, #3498db, #2ecc71);
    transition: width 0.3s ease;
}

.navbar-nav .nav-link:hover::after {
    width: 100%;
}

.pricing-card {
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
    border: none;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.pricing-popular {
    position: relative;
    overflow: hidden;
}

.pricing-popular::before {
    content: 'POPULAR';
    position: absolute;
    top: 10px;
    right: -30px;
    background: #3498db;
    color: white;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: bold;
    z-index: 1;
}