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

body{
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
    background:#f5f7fb;
    color:#333;
    line-height:1.8;
}

a{
    text-decoration:none;
}

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

.container{
    width:1200px;
    max-width:95%;
    margin:auto;
}

.header{
    background:#fff;
    position:sticky;
    top:0;
    z-index:999;
    box-shadow:0 2px 10px rgba(0,0,0,.05);
    transition:all .3s ease;
}

.nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
    height:72px;
}

.logo{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:24px;
    font-weight:bold;
    cursor:pointer;
    transition:transform .3s ease;
}

.logo:hover{
    transform:scale(1.05);
}

.logo-icon{
    width:42px;
    height:42px;
    border-radius:12px;
    background:linear-gradient(135deg,#27ae60 0%,#2ecc71 100%);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:bold;
    box-shadow:0 4px 15px rgba(39,174,96,.3);
}

nav{
    display:flex;
    align-items:center;
}

nav a{
    margin-left:20px;
    color:#333;
    font-size:15px;
    transition:all .3s ease;
    position:relative;
    padding:5px 0;
}

nav a::after{
    content:"";
    position:absolute;
    bottom:0;
    left:0;
    width:0;
    height:2px;
    background:#27ae60;
    transition:width .3s ease;
}

nav a:hover{
    color:#27ae60;
}

nav a:hover::after{
    width:100%;
}

.hero{
    padding:90px 0;
    background:linear-gradient(135deg,#eef6ff 0%,#ffffff 50%,#f0f9ff 100%);
    position:relative;
    overflow:hidden;
}

.hero::before{
    content:"";
    position:absolute;
    top:-50%;
    right:-10%;
    width:500px;
    height:500px;
    background:radial-gradient(circle,rgba(39,174,96,.1) 0%,transparent 70%);
    border-radius:50%;
}

.hero-wrap{
    display:flex;
    align-items:center;
    gap:50px;
    position:relative;
    z-index:1;
}

.hero-left{
    flex:1;
}

.hero-left h1{
    font-size:54px;
    line-height:1.2;
    margin-bottom:20px;
    background:linear-gradient(135deg,#333 0%,#555 100%);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
    animation:fadeInUp .8s ease;
}

.hero-left p{
    font-size:18px;
    color:#666;
    margin-bottom:30px;
    animation:fadeInUp .8s ease .2s both;
}

.hero-right{
    flex:1;
    animation:fadeInRight .8s ease;
}

.hero-right img{
    border-radius:20px;
    box-shadow:0 20px 60px rgba(0,0,0,.15);
    transition:transform .3s ease;
}

.hero-right img:hover{
    transform:scale(1.02);
}

@keyframes fadeInUp{
    from{
        opacity:0;
        transform:translateY(30px);
    }
    to{
        opacity:1;
        transform:translateY(0);
    }
}

@keyframes fadeInRight{
    from{
        opacity:0;
        transform:translateX(30px);
    }
    to{
        opacity:1;
        transform:translateX(0);
    }
}

.btn-group{
    display:flex;
    gap:15px;
    flex-wrap:wrap;
    margin-bottom:25px;
    animation:fadeInUp .8s ease .4s both;
}

.btn{
    padding:14px 26px;
    border-radius:12px;
    font-weight:bold;
    display:inline-block;
    transition:all .3s ease;
    cursor:pointer;
    border:none;
    font-size:15px;
}

.btn:hover{
    transform:translateY(-3px);
    box-shadow:0 10px 25px rgba(0,0,0,.15);
}

.btn:active{
    transform:translateY(-1px);
}

.btn-primary{
    background:linear-gradient(135deg,#27ae60 0%,#2ecc71 100%);
    color:#fff;
    box-shadow:0 4px 15px rgba(39,174,96,.3);
}

.btn-primary:hover{
    box-shadow:0 8px 25px rgba(39,174,96,.4);
}

.btn-blue{
    background:linear-gradient(135deg,#3498db 0%,#5dade2 100%);
    color:#fff;
    box-shadow:0 4px 15px rgba(52,152,219,.3);
}

.btn-blue:hover{
    box-shadow:0 8px 25px rgba(52,152,219,.4);
}

.btn-outline{
    border:2px solid #27ae60;
    color:#27ae60;
    background:transparent;
}

.btn-outline:hover{
    background:#27ae60;
    color:#fff;
}

.tags{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    animation:fadeInUp .8s ease .6s both;
}

.tags span{
    background:#fff;
    padding:8px 14px;
    border-radius:30px;
    box-shadow:0 2px 10px rgba(0,0,0,.05);
    font-size:14px;
    transition:all .3s ease;
    cursor:default;
}

.tags span:hover{
    transform:translateY(-2px);
    box-shadow:0 5px 15px rgba(0,0,0,.1);
}

.section{
    padding:80px 0;
}

.section-title{
    text-align:center;
    margin-bottom:50px;
}

.section-title h2{
    font-size:40px;
    margin-bottom:10px;
    position:relative;
    display:inline-block;
}

.section-title h2::after{
    content:"";
    position:absolute;
    bottom:-10px;
    left:50%;
    transform:translateX(-50%);
    width:60px;
    height:4px;
    background:linear-gradient(135deg,#27ae60 0%,#2ecc71 100%);
    border-radius:2px;
}

.section-title p{
    color:#777;
    margin-top:15px;
}

.grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:25px;
}

.card{
    background:#fff;
    padding:30px;
    border-radius:20px;
    box-shadow:0 5px 20px rgba(0,0,0,.05);
    transition:all .3s ease;
    position:relative;
    overflow:hidden;
}

.card::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:4px;
    background:linear-gradient(135deg,#27ae60 0%,#2ecc71 100%);
    transform:scaleX(0);
    transition:transform .3s ease;
}

.card:hover{
    transform:translateY(-8px);
    box-shadow:0 15px 40px rgba(0,0,0,.1);
}

.card:hover::before{
    transform:scaleX(1);
}

.card h3{
    margin-bottom:15px;
    font-size:20px;
}

.card-icon{
    font-size:40px;
    margin-bottom:15px;
}

.card-tag{
    display:inline-block;
    background:linear-gradient(135deg,#27ae60 0%,#2ecc71 100%);
    color:#fff;
    padding:4px 12px;
    border-radius:20px;
    font-size:12px;
    margin-top:15px;
}

.theme-card{
    padding:0;
    overflow:hidden;
}

.theme-preview{
    padding:20px;
    font-family:"Courier New",monospace;
    font-size:13px;
    line-height:1.6;
    border-radius:20px 20px 0 0;
}

.theme-preview pre{
    margin:0;
    font-family:inherit;
}

.theme-card h3,
.theme-card p{
    padding:0 20px;
}

.theme-card h3{
    padding-top:20px;
}

.theme-card p{
    padding-bottom:20px;
}

.theme-info{
    padding:0 20px 20px;
    display:flex;
    gap:10px;
    flex-wrap:wrap;
}

.theme-type{
    background:#f0f0f0;
    padding:4px 12px;
    border-radius:20px;
    font-size:12px;
    color:#666;
}

.theme-popular{
    background:#fff3e0;
    color:#f57c00;
    padding:4px 12px;
    border-radius:20px;
    font-size:12px;
}

.table{
    width:100%;
    border-collapse:collapse;
    background:#fff;
    border-radius:20px;
    overflow:hidden;
    box-shadow:0 5px 20px rgba(0,0,0,.05);
}

.table th,
.table td{
    padding:18px;
    border-bottom:1px solid #eee;
    text-align:center;
}

.table th{
    background:linear-gradient(135deg,#f7f7f7 0%,#fff 100%);
    font-weight:600;
    color:#555;
}

.table tr{
    transition:background .3s ease;
}

.table tbody tr:hover{
    background:#f9f9f9;
}

.table tbody tr:last-child td{
    border-bottom:none;
}

.content-box{
    background:#fff;
    padding:50px;
    border-radius:20px;
    box-shadow:0 5px 20px rgba(0,0,0,.05);
}

.content-box h1{
    margin-bottom:20px;
    font-size:32px;
}

.content-box h2{
    margin:30px 0 20px;
    font-size:26px;
    padding-bottom:10px;
    border-bottom:2px solid #f0f0f0;
}

.content-box h3{
    margin:20px 0 15px;
    font-size:20px;
    color:#444;
}

.content-box p{
    margin-bottom:15px;
    color:#555;
}

.content-box ul,
.content-box ol{
    padding-left:25px;
    margin-bottom:20px;
}

.content-box li{
    margin-bottom:10px;
    color:#555;
}

.content-box li::marker{
    color:#27ae60;
}

.faq-item{
    background:#fff;
    padding:25px;
    border-radius:15px;
    margin-bottom:20px;
    box-shadow:0 3px 15px rgba(0,0,0,.05);
    transition:all .3s ease;
    border-left:4px solid #27ae60;
}

.faq-item:hover{
    box-shadow:0 8px 25px rgba(0,0,0,.08);
    transform:translateX(5px);
}

.faq-item h3{
    margin-bottom:15px;
    color:#333;
    font-size:18px;
}

.faq-item p{
    color:#666;
    margin-bottom:10px;
}

.faq-item p:last-child{
    margin-bottom:0;
}

.footer{
    background:linear-gradient(135deg,#1a1a1a 0%,#2d2d2d 100%);
    color:#aaa;
    padding:50px 0;
    text-align:center;
}

.footer p{
    margin-bottom:10px;
}

.footer p:last-child{
    margin-bottom:0;
}

.breadcrumb{
    padding:20px 0;
    font-size:14px;
}

.breadcrumb a{
    color:#3498db;
    transition:color .3s ease;
}

.breadcrumb a:hover{
    color:#2980b9;
}

.mobile-menu-btn{
    display:none;
    background:none;
    border:none;
    font-size:24px;
    cursor:pointer;
    padding:10px;
}

@media(max-width:900px){

    .hero-wrap{
        flex-direction:column;
        text-align:center;
    }

    .grid{
        grid-template-columns:1fr;
    }

    .hero-left h1{
        font-size:38px;
    }

    nav{
        display:none;
    }

    .mobile-menu-btn{
        display:block;
    }

    .content-box{
        padding:30px;
    }

    .btn-group{
        justify-content:center;
    }

    .tags{
        justify-content:center;
    }

    .table{
        font-size:14px;
    }

    .table th,
    .table td{
        padding:12px 8px;
    }

}

@media(max-width:600px){

    .section{
        padding:50px 0;
    }

    .section-title h2{
        font-size:28px;
    }

    .hero-left h1{
        font-size:32px;
    }

    .hero-left p{
        font-size:16px;
    }

    .content-box{
        padding:20px;
    }

    .content-box h1{
        font-size:26px;
    }

    .content-box h2{
        font-size:22px;
    }

    .card{
        padding:20px;
    }

    .btn{
        padding:12px 20px;
        font-size:14px;
    }

}

::-webkit-scrollbar{
    width:10px;
}

::-webkit-scrollbar-track{
    background:#f1f1f1;
}

::-webkit-scrollbar-thumb{
    background:#27ae60;
    border-radius:5px;
}

::-webkit-scrollbar-thumb:hover{
    background:#229954;
}

::selection{
    background:#27ae60;
    color:#fff;
}