/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --hui: #f5f7fa;
    --hui_shen: #999;
    --white: #ffffff;
    --sky: #d3f0ff;
    --primary: #2563eb;
    --primary_qian: #f1faff;
    --secondary: #175bbc;
    --light: #f8fafc;
    --dark: #1e293b;
    --gray: #64748b;
    --accent: #f59e0b;
    --success: #10b981;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: #ffffff;
    scroll-behavior: smooth;
}
ul {list-style: none;}
a {text-decoration: none; color: var(--white)}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark);
    position: relative;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background: var(--secondary);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

/* 导航栏 */
header {
    background-color: white;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

nav {
    display: flex;
    justify-content: start;
    align-items: center;
    background-color: #3da8fd;
    position: relative;
    top: 25px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
}
.nav-links li {
    display: flex;
    justify-content: center;
    align-items: center;
}
.nav-links li a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: var(--transition);
    padding: 10px 40px;
}

.nav-links li:hover,
.nav-links li.active {
    background-color: var(--secondary);
}

.nav-links li a:hover::after,
.nav-links li a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--dark);
}

h1 {font-size: 35px;}
h2 {font-size: 30px;}
.flex {display: flex;}
.flex_c {
    display: flex;
    flex-direction: column;
}
.flex_r_c {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}
.text-center {
    text-align: center;
}
.gap-1 {
    gap: 1rem;
}
.mt-30 {
    margin-top: 30px;
}
.mt-20 {
    margin-top: 20px;
}
.p-30 {padding: 30px 0;}

#home, #rta, #hzlc, #zntf, #hzhb {

}
#emptyBox {height: 114px;}
/* 区域 */
#home {
    min-height: 500px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background-image: url(../img/home_bg.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    .btn {
        padding: 5px 40px;
    }
}


.hero-content {
    display: flex;
    align-items: start;
    gap: 2rem;
    position: relative;
    z-index: 2;
    justify-content: start;
    flex: 1;
}

.hero-text {
    flex: 1;
    padding-right: 2rem;
}

.hero-text h1 {
    font-size: 3.2rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--dark);
}

.hero-text p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    color: var(--gray);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

#rta, #qwtg {
    .rta_content {
        background-color: var(--primary);
        color: var(--white);
        padding: 40px 0;
    }
    .container {padding: 40px 0;}
    .big_p_font {font-size: 35px;}
    .big_p_font span {font-size: 14px; padding-left: 5px;}
    .border {
        border: 1px solid;
        width: 1px;
        height: 35px;
        margin: 0 10%;
    }
    .big_font {
        font-size: 22px;
    }
}

#hzlc, #qwtg {
    background-color: var(--hui);
    padding: 40px 0;
}
#hzlc {
    .hzlc .item {
        border: 1px solid;
        border-radius: 5px;
        padding: 5px 15px;
        margin: 0 15px;
    }

    .hzlc-b .item {
        background-color: var(--primary);
        color: var(--white);
    }
    .circle .item {
        border: 1px solid;
        border-radius: 50%;
        width: 15px;
        height: 15px;
        background-color: var(--white);
        margin: 0 3%;
        position: relative;
        z-index: 2;
    }
    .circle .item:nth-child(2n) {
        background-color: var(--primary);
    }
    .line {
        border: 1px dashed #666;
        width: 60%;
        position: absolute;
        z-index: 1;
    }
}


#zntf {
    background-color: var(--white);
    padding: 40px 0;

    .znft_content{
        .big_font {
            font-size: 20px;
            color: var(--primary);
        }
        .item {
            width: 80%;
        }
        .left {
            text-align: right;
            position: relative;
            right: -45px;
        }
        .right {
            text-align: left;
            position: relative;
            left: -45px;
        }
        .left .item {
            margin-right: 5%;
        }
        .right .item {
            margin-left: 5%;
        }

        .num {
            border: 1px solid;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #000;
            color: #fff;
        }

        .middle {flex: 1;}
        .circle_1, .circle_2, .circle_3, .circle_4, .circle_5, .circle_6 {
            border: 1px solid;
            border-radius: 50%;
            width: 100%;
            height: 100%;
        }
        .circle_1 {
            border: 1px dashed var(--hui_shen);
        }
        .circle_2 {
            border: 40px solid var(--white);
        }
        .circle_3 {
            border: 20px solid var(--primary_qian);
        }
        .circle_4 {
            border: 20px solid var(--sky);
        }
        .circle_5 {
            border: 40px solid var(--white);
        }
        .circle_6 {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            color: #fff;
            background-color: var(--primary);
            align-items: center;
            justify-content: center;
        }
    }


    .hzlc .item {
        border: 1px solid;
        border-radius: 5px;
        padding: 5px 15px;
        margin: 0 15px;
    }

    .hzlc-b .item {
        background-color: var(--primary);
        color: var(--white);
    }
    .circle .item {
        border: 1px solid;
        border-radius: 50%;
        width: 15px;
        height: 15px;
        background-color: var(--white);
        margin: 0 3%;
        position: relative;
        z-index: 2;
    }
    .circle .item:nth-child(2n) {
        background-color: var(--primary);
    }
    .line {
        border: 1px dashed #666;
        width: 60%;
        position: absolute;
        z-index: 1;
    }
}
#qwtg {
    padding-bottom: 0;
    .item {
        margin: 0 10px;
        display: flex;
        align-self: stretch;

        .big_font {
            font-size: 18px;
            font-weight: bold;
            margin: 5px 0 15px;
        }
        .img img {
            width: 140px;
        }
        .info {
            color: var(--hui_shen);
        }
    }
    .ai-zntf .container {
        padding: 150px 0;
        .big_font {font-size: 35px;}
    }
}

#hzhb {
    padding: 40px 0;
    .item {
        margin: 10px;
    }
    .item img {
        width: 100px;
        height: 100px;
    }
}

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

/* 页脚 */
footer {
    background-color: var(--dark);
    color: white;
    padding: 30px 0 100px;

    .footer-container {
        justify-content: space-between;
    }
    .flex_r_c.footer-column > span {
        padding: 0 20px;
    }
}


/* 响应式设计 */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text p {
        max-width: 100%;
        margin: 0 auto 2.5rem;
    }

    .about-content {
        flex-direction: column;
    }

    .contact-container {
        flex-direction: column;
    }

    .stats {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        right: 0;
        background-color: white;
        flex-direction: column;
        width: 100%;
        padding: 2rem;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform 0.4s ease;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .menu-toggle {
        display: block;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-text h1 {
        font-size: 2.6rem;
    }

    .service-card {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2.2rem;
    }

    .features {
        flex-direction: column;
    }
}

.rhsyyhqDIV{
    position:absolute;
    top:555px;
    left:200px;
    font-size: 9pt;
    display:block;
    height:335px;
    width:405px;
    background-color:transparent;
    display: none;
}

s{
    position:absolute;
    top:-20px;
    left:50px;
    display:block;
    height:0;
    width:0;
    font-size: 0;
    line-height: 0;
    border-color:transparent transparent #FA0505 transparent;
    border-style:dashed dashed solid dashed;
    border-width:10px;
}

i{
    position:absolute;
    top:-9px;
    *top:-9px;
    left:-10px;
    display:block;
    height:0;
    width:0;
    font-size: 0;
    line-height: 0;
    border-color:transparent transparent #FFFFFF transparent;
    border-style:dashed dashed solid dashed;
    border-width:10px;
}

.rhsyyhqDIV .content{
    border:1px solid #FA0505;
    -moz-border-radius:3px;
    -webkit-border-radius:3px;
    position:absolute;
    background-color:#FEFEF4;
    width:100%;
    height:100%;
    padding:5px;
    *top:-2px;
    *border-top:1px solid #FA0505;
    *border-top:1px solid #FA0505;
    *border-left:none;
    *border-right:none;
    *height:102px;
}