body, html {
    margin:0; padding:0; font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg,#cce6ff,#e6ccff);
    color:#333; scroll-behavior:smooth;
}
a{text-decoration:none;color:inherit;}

button {     border: aliceblue; }
/* 顶部Logo */
.header{
    position:fixed; top:0; left:0; width:100%;
    background: #fff;
    display:flex; justify-content:center; align-items:center;
    padding:15px 0; z-index:1000;
    box-shadow:0 4px 15px rgba(0,0,0,0.2);
}
.header img{height:70px;transition: transform 0.3s;}

/* 幻灯片 */
.hero{
    margin-top:30px;
    background: linear-gradient(135deg, rgba(94,53,177,0.9), rgba(63,81,181,0.85));
    padding:80px 20px; text-align:center;
    display:flex; justify-content:center; align-items:center; flex-wrap:wrap;
}
.hero h1{width:100%; font-size:38px; color:#fff; margin-bottom:0px; text-shadow:0 2px 5px rgba(0,0,0,0.4);}
.hero p{width:100%; font-size:28px; color:#f0f0f0; margin-bottom:40px; text-shadow:0 1px 4px rgba(0,0,0,0.3);}
.hero-buttons{
    display:flex; justify-content:center; gap:30px; flex-wrap:wrap;
}
.hero .btn{
    padding:15px 45px; font-size:28px; border-radius:5px;
    cursor:pointer; color:#fff; text-align:center;
    position:relative; overflow:hidden;
    transition: all 0.3s;
    box-shadow:0 0 100px rgba(255,255,255,0.3);
    min-height:50px; display:flex; align-items:center; justify-content:center;
}
.btn-start{background:linear-gradient(45deg,#ff7043,#ff8a65);}
.btn-consult{background:linear-gradient(45deg,#29b6f6,#03a9f4);}
.btn-types{background:linear-gradient(45deg,#ab47bc,#8e24aa); }

/* 按钮发光动画 */
.hero .btn::before{
    content:'';
    position:absolute;
    top:0; left:-75%;
    width:50%; height:100%;
    background:rgba(255,255,255,0.3);
    transform:skewX(-25deg);
    transition: all 0.5s;
}
.hero .btn:hover::before{
    left:125%;
}

/* 二维码弹窗 */
#qrcodeModal{
    display:none; position:fixed; top:50%; left:50%;
    transform:translate(-50%,-50%);
    background:	#3CB371; padding:40px; border-radius:15px;
    box-shadow:0 8px 25px rgba(0,0,0,0.4); z-index:2000;text-align: center;
}
#qrcodeModal img{width:220px; height:220px; border-radius:12px;}
#qrcodeModal p{margin-top:15px; color:#fff;text-align: center;    font-size: 18px;}
#qrcodeModal button{ padding:12px 25px; background:#3A5FCD; color:#fff; border:none; border-radius:50px; cursor:pointer; transition:0.3s;font-size: 20px;}

/* 第三板块：测试版本 */
.version-section{
    display:flex; flex-direction:column; align-items:center;
    margin:40px auto 25px auto; gap:25px;
    max-width:1200px; text-align:center;
}
.version-section h2{
    width:100%; text-align:center; font-size:35px; color:#4a148c;     margin-bottom: -20px;    margin-top: 0px;
}
.version-cards{
    display:flex; justify-content:center; align-items:center; gap:25px; flex-wrap:wrap;
}
.version-card{
    background: #FFF0F5; flex:0 0 25%;
    padding:30px; border-radius:0px; text-align:left;
    box-shadow:0 8px 25px rgba(0,0,0,0.15); backdrop-filter: blur(6px);
}
.version-card h3{font-size:26px; margin-bottom:20px; color:#4a148c;text-align: center;}
.version-card ul{list-style:none; padding:0; margin-bottom:20px;    font-size: 20px;    text-align: justify;    line-height: 35px;color:#8B6914}
.version-card ul li::before{content:'✔'; color:#43a047; margin-right:10px;}
.version-card p{font-size:16px; color:#F08080;}

/* 第四板块：智能应用场景 */
.scenario-section{
    display:flex; flex-direction:column; align-items:center;
    margin: auto;  gap:25px;
    max-width:1200px;  border-radius:20px;
}
.scenario-section h2{
    width:100%; text-align:center; font-size:35px; color:#4a148c; margin-bottom:30px;
}
.scenario-cards{
    display:flex; justify-content:center; align-items:center; gap:25px; flex-wrap:wrap;
}
.scenario-card{
    background: #fff; width: 310px;
    text-align:center; padding:25px; border-radius:0px;
    backdrop-filter: blur(6px); box-shadow:0 6px 20px rgba(0,0,0,0.2);
}
.scenario-card img{width:100%;height: 200px; border-radius:12px;}
.scenario-card h4{font-size:22px; margin-bottom:12px;     color: #000;    margin-top: 10px;}
.scenario-card p{font-size:16px; color:#666;}

/* 雷达图板块 */
.radar-section{
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    margin:80px auto; max-width:700px;
    padding:50px 20px; border-radius:20px; background:#222; /* 深色背景 */
}
.radar-section h3{font-size:28px; color:#00ff80; margin-bottom:30px; text-align:center; text-shadow:0 0 6px #00ff80;}
canvas{width:100%; max-width:600px; height:600px; border-radius:50%; background:#222;} /* 深色背景 */

/* 底部 */
.footer{
    background: #000; text-align:center; padding:30px 0;
    color:#fff; font-size:14px;
}

.radar-section{
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    margin:50px auto; padding:40px 20px; border-radius:20px; background:#222;
        max-width: 1130px;
}
.radar-section h3{
    font-size:35px; color:#00ff80; margin-bottom:30px; text-align:center; text-shadow:0 0 6px #00ff80;
}
.radar-container{
    width:100%; max-width:600px;
}
#radarCanvas{
    width:100%; height:auto; display:block;
}

/* 响应式 */
@media(max-width:768px){
    .hero{flex-direction:column; text-align:center;}
    .hero .btn-types{writing-mode: horizontal-tb; margin-top:0px;}
    .version-cards, .scenario-cards{flex-direction:column; align-items:center;}
    .version-card, .scenario-card{flex:0 0 80%;}
    
.header{
    position:fixed; top:0; left:0; width:100%;
    background: #fff;
    display:flex; justify-content:center; align-items:center;
    padding:15px 0; z-index:1000;
    box-shadow:0 4px 15px rgba(0,0,0,0.2);
}
.header img{height:50px;transition: transform 0.3s;}

/* 幻灯片 */
.hero{
    margin-top:30px;
    background: linear-gradient(135deg, rgba(94,53,177,0.9), rgba(63,81,181,0.85));
    padding:80px 20px; text-align:center;
    display:flex; justify-content:center; align-items:center; flex-wrap:wrap;
}
.hero h1{width:100%; font-size:28px; color:#fff; margin-bottom:0px; text-shadow:0 2px 5px rgba(0,0,0,0.4);}
.hero p{width:100%; font-size:18px; color:#f0f0f0; margin-bottom:40px; text-shadow:0 1px 4px rgba(0,0,0,0.3);}
.hero-buttons{
    display:flex; justify-content:center; gap:30px; flex-wrap:wrap;
}
.hero .btn{
    padding:12px 30px; font-size:25px; border-radius:5px;
    cursor:pointer; color:#fff; text-align:center;
    position:relative; overflow:hidden;
    transition: all 0.3s;
    box-shadow:0 0 100px rgba(255,255,255,0.3);
    min-height:50px; display:flex; align-items:center; justify-content:center;
}
.btn-start{background:linear-gradient(45deg,#ff7043,#ff8a65);}
.btn-consult{background:linear-gradient(45deg,#29b6f6,#03a9f4);}
.btn-types{background:linear-gradient(45deg,#ab47bc,#8e24aa); }

/* 按钮发光动画 */
.hero .btn::before{
    content:'';
    position:absolute;
    top:0; left:-75%;
    width:50%; height:100%;
    background:rgba(255,255,255,0.3);
    transform:skewX(-25deg);
    transition: all 0.5s;
}
.hero .btn:hover::before{
    left:125%;
}

/* 二维码弹窗 */
#qrcodeModal{
    display:none; position:fixed; top:50%; left:50%;
    transform:translate(-50%,-50%);
    background:	#3CB371; padding:40px; border-radius:15px;
    box-shadow:0 8px 25px rgba(0,0,0,0.4); z-index:2000;text-align: center;
}
#qrcodeModal img{width:220px; height:220px; border-radius:12px;}
#qrcodeModal p{margin-top:15px; color:#fff;text-align: center;    font-size: 18px;}
#qrcodeModal button{ padding:12px 25px; background:#3A5FCD; color:#fff; border:none; border-radius:50px; cursor:pointer; transition:0.3s;font-size: 20px;}

/* 第三板块：测试版本 */
.version-section{
    display:flex; flex-direction:column; align-items:center;
    margin:0px auto 0px auto; gap:0px;
    max-width:1200px; text-align:center;padding: 15px;
}
.version-section p {margin-bottom: 30px;}
.version-section h2{
    width:100%; text-align:center; font-size:30px; color:#4a148c;         margin-bottom: 0px;        margin-top: 10px;}
.version-cards{
    display:flex; justify-content:center; align-items:center; gap:25px; flex-wrap:wrap;
}
.version-card{
    background: #FFF0F5; flex:0 0 25%;
    padding:30px; border-radius:0px; text-align:left;
    box-shadow:0 8px 25px rgba(0,0,0,0.15); backdrop-filter: blur(6px);
}
.version-card h3{font-size:26px; margin-bottom:20px; color:#4a148c;text-align: center;}
.version-card ul{list-style:none; padding:0; margin-bottom:20px;    font-size: 20px;    text-align: justify;    line-height: 35px;color:#8B6914}
.version-card ul li::before{content:'✔'; color:#43a047; margin-right:10px;}
.version-card p{font-size:16px; color:#F08080;}

/* 第四板块：智能应用场景 */
.scenario-section{
    display:block; flex-direction:column; align-items:center;
    margin: auto;  gap:25px;
    max-width:1200px;  border-radius:0px;padding: 15px;
}
.scenario-section h2{
    width:100%; text-align:center; font-size:35px; color:#4a148c; margin-bottom:30px;
}
.scenario-cards{
    display:flex; justify-content:center; align-items:center; gap:25px; flex-wrap:wrap;
}
.scenario-card{
    background: #fff; width: 100%;
    text-align:center; padding:0px; border-radius:0px;
    backdrop-filter: blur(6px); box-shadow:0 6px 20px rgba(0,0,0,0.2);
}
.scenario-card img{width:100%;height: 200px; border-radius:0px;}
.scenario-card h4{font-size:22px; margin-bottom:12px;     color: #000;    margin-top: 10px;}
.scenario-card p{font-size:16px; color:#666;}

/* 雷达图板块 */
.radar-section{
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    margin:80px auto; max-width:700px;
    padding:50px 20px; border-radius:20px; background:#222; /* 深色背景 */
}
.radar-section h3{font-size:28px; color:#00ff80; margin-bottom:30px; text-align:center; text-shadow:0 0 6px #00ff80;}
canvas{width:100%; max-width:600px; height:600px; border-radius:50%; background:#222;} /* 深色背景 */

/* 底部 */
.footer{
    background: #000; text-align:center; padding:30px 0;
    color:#fff; font-size:14px;
}

.radar-section{
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    margin:0px auto;         padding: 0px 30px 30px; border-radius:0px; background:#222;
        max-width: 1080px;margin-top: 20px;
}
.radar-section h3{
    font-size:30px; color:#00ff80; margin-bottom:30px; text-align:center; text-shadow:0 0 6px #00ff80;
}
.radar-container{
    width:100%; max-width:600px;
}
#radarCanvas{
    width:100%; height:auto; display:block;
}
}