.main-body {
  width: 100%;
  min-width: 1280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* nav begin */
.g-nav {
  width: 100%;
  height: 70px;
  background: #207eeb;
  box-shadow: 0px 4px 9px 0px rgba(183, 164, 150, 0.12);
}
.nav-wrap {
  width: 1160px;
  height: 100%;
}

.nav-wrap__right li {
  height: 70px;
  border-radius: 2px;
  margin-left: 30px;
}
.nav-wrap__right .nav-active a,
.nav-wrap__right li:hover a {
  color: #ffffff;
  background: #e60012;
  opacity: 1;
}
.nav-wrap__right a {
  padding: 0 11px;
  height: 37px;
  border-radius: 10px;
  font-size: 18px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #fff;
  line-height: 25px;
  letter-spacing: 2px;
  text-decoration: none;
}

/* header begin */
.g-header {
  width: 100%;
  min-width: 1280px;
  height: 461px;
  background: url(../images/head-index-cover.png) no-repeat;
  background-position: center;
  background-size: cover;
}
.index-wrap {
  margin-top: 99px;
}
.index-wrap__title div {
  font-size: 54px;
  width: 480px;
  line-height: 75px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #222222;
  letter-spacing: 2px;
  margin-right: 9px;
}
.index-wrap__title img {
  height: 11px;
  margin-right: 10px;
}
.index-wrap__title span {
  font-size: 24px;
  font-family: AlibabaPuHuiTi_SemiBold;
  color: #e60012;
  line-height: 33px;
}
.index-wrap__subtitle {
  font-size: 30px;
  font-family: AlibabaPuHuiTi_Thin;
  color: #222222;
  line-height: 42px;
  letter-spacing: 1px;
  margin-top: 16px;
}
.index-wrap__subheads {
  margin-top: 14px;
}
.index-wrap__subheads img,
.index-wrap__subheads span {
  height: 54px;
  font-size: 24px;
  font-family: AlibabaPuHuiTi_SemiBold;
  color: #0d368a;
  line-height: 33px;
  letter-spacing: 1px;
  margin-right: 18px;
}
.index-wrap__subheads span {
  font-size: 22px;
}
.index-wrap__subheads label {
  font-size: 18px;
}
.index-wrap__desc {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFangSC-Regular;
  color: #ffffff;
  line-height: 22px;
  margin-top: 25px;
}
.index-wrap__button {
  margin-top: 48px;
}
.index-wrap__button button {
  width: 240px;
  height: 58px;
  background: #0669dc;
  border-radius: 4px;
}
.index-wrap__button button:hover {
  opacity: 0.75;
}
.index-wrap__button button a {
  text-decoration: none;
  font-size: 20px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #ffffff;
  line-height: 28px;
}
.g-header__right img {
  margin-top: 80px;
}

/* go-check begin */
.g-check {
  height: 352px;
  width: 100%;
  background: #f5f8fa;
}
.go-check__wrap {
  width: 1280px;
  height: inherit;
}
.check-item {
  width: 360px;
  height: 236px;
  background: #eaf7ff;
  border-radius: 8px;
  margin: 0 20px;
  padding: 0 42px;
  cursor: pointer;
  text-decoration: none;
}
.check-item:hover {
  box-shadow: 2px 2px 7px 0px rgba(174, 176, 182, 0.44);
}
.check-item .check-title {
  margin-top: 25px;
  font-size: 24px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #0074d5;
  line-height: 33px;
}
.check-item label {
  margin-top: 18px;
  font-size: 20px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #0d368a;
  line-height: 28px;
}
.check-item p {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #222222;
  line-height: 22px;
}
.check-item button {
  font-size: 20px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #0074d5;
  line-height: 28px;
}

/* sample */
.g-sample {
  width: 100%;
  height: 855px;
  background-color: #ffffff;
}
.g-sample__wrap {
  width: 1280px;
}
.sample-title {
  margin-top: 68px;
  margin-bottom: 16px;
}
.sample-title img {
  height: 45px;
  margin-right: 4px;
}
.sample-title span {
  font-size: 38px;
  font-family: AlibabaPuHuiTi_Medium;
  color: #0074d5;
  line-height: 53px;
  letter-spacing: 3px;
}
.sample-divider {
  width: 900px;
  background-color: #c82c37;
  height: 2px;
}
.sample-subtitle {
  margin-top: 16px;
}
.sample-subtitle span {
  font-size: 24px;
  font-family: AlibabaPuHuiTi_Medium;
  color: #0074d5;
  line-height: 33px;
  letter-spacing: 1px;
  margin: 0 81px;
}
.sample-frame {
  width: 1013px;
  height: 585px;
  margin-top: 24px;
}
.sample-report__wrap {
  width: 778px;
  height: 491px;
  margin-top: 33px;
  overflow: hidden;
  overflow-y: scroll;
}
.sample-report__wrap img {
  width: 100%;
  height: auto;
}

/* footer begin */
.g-footer {
  width: 100%;
  height: 216px;
  background: #1292fd;
}
.g-footer__wrap {
  width: 1000px;
  height: 100%;
}
.footer-head {
  height: 165px;
  margin: 0 auto;
  width: 900px;
}
.footer-head__link {
  max-width: 400px;
}
.footer-head__about {
  width: 658px;
}
.footer_kefu {
  margin-right: 70px;
}
.footer-head__item div {
  font-size: 14px;
  font-family: PingFangSC-Medium, PingFangSC-Regular;
  font-weight: 500;
  color: #ffffff;
  line-height: 20px;
  margin-top: 19px;
}
.footer-head__item a {
  text-decoration: none;
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFangSC-Regular;
  font-weight: 400;
  color: #ffffff;
  line-height: 17px;
  margin-top: 19px;
}
.footer-head__about {
  display: flex;
  flex-direction: column;
}
.footer-head__about p {
  font-size: 14px;
  font-family: PingFangSC-Medium, PingFangSC-Regular;
  font-weight: 500;
  color: #ffffff;
  line-height: 20px;
}
.footer-head__about span {
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFangSC-Regular;
  font-weight: 400;
  color: #ffffff;
  line-height: 17px;
}
.footer-divider {
  width: 900px;
  height: 1px;
  background-color: #ffffff;
  margin: 0 auto;
}
.footer-bottom {
  height: 50px;
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 17px;
}
.footer-bottom a {
  color: #FFFFFF;
  text-decoration: none;
}



/* ===== 作用域隔离！仅多场景板块，不会污染全局原有样式 ===== */
        .scene-wrap {
            width: 100%;
            padding: 60px 20px;
            box-sizing: border-box;
            background: linear-gradient(120deg,#f6faff,#f8faff);
        }
        .scene-container {
            max-width: 1220px;
            margin: 0 auto;
        }
        .scene-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .scene-title .en {
            font-size: 16px;
            color:#555;
            letter-spacing:2px;
            display:block;
            margin-bottom: 8px;
        }
        .scene-title h3 {
            font-size:40px;
            margin:0;
            position:relative;
        }
        .scene-title h3:after {
            content:"";
            width:54px;
            height:3px;
            background:#222;
            position:absolute;
            left:50%;
            transform:translateX(-50%);
            bottom:-14px;
        }
        /* 核心三栏 垂直居中对齐 */
        .scene-row {
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:24px;
        }
        .scene-col-left,
        .scene-col-right {
            width: 390px;
            display:flex;
            flex-direction:column;
            gap:22px;
        }
        .scene-col-center {
            width:360px;
            flex-shrink:0;
            text-align:center;
        }
        .scene-col-center img {
            max-width: 100%;
        }
        /* 场景卡片 修复文字溢出！固定布局 */
        .scene-card {
            background:rgb(237 246 251);
            border-radius:16px;
            padding:24px 26px;
            display:flex;
            justify-content:space-between;
            align-items:center;
            min-height:110px;
            box-sizing:border-box;
        }
        .scene-card-text {
            flex:1;
            padding-right:16px;
        }
        .scene-card-text h4 {
            font-size:22px;
            margin:0 0 6px;
            font-weight:600;
        }
        .scene-card-text p {
            font-size:14px;
            color:#555;
            line-height:1.55;
            margin:0;
            /* 文字自动换行，杜绝溢出 */
            word-break:normal;
        }
        .scene-card-icon img {
            width:60px;
        }
        .scene-card a {
            display:flex;
            width:100%;
            text-decoration:none;
            color:inherit;
            justify-content:space-between;
            align-items:center;
        }
        /* 移动端自适应 */
        @media screen and (max-width:1024px){
            .scene-row {
                flex-direction:column;
            }
            .scene-col-center {
                order:-1;
                width:320px;
            }
            .scene-col-left,
            .scene-col-right {
                width:100%;
                max-width:600px;
            }
        }
        @media screen and (max-width:640px){
            .scene-wrap {
                padding:40px 15px;
            }
            .scene-title h3 {
                font-size:30px;
            }
            .scene-card {
                padding:18px 20px;
                min-height:auto;
            }
            .scene-card-text h4 {
                font-size:18px;
            }
            .scene-card-icon img {
                width:46px;
            }
        }

        /* ==========【重点：重新美化头部两个入口按钮样式】========== */
        .index-wrap__button {
            margin-top:32px;
            gap:20px;
        }
        .index-wrap__button button {
            border:0;
            background:transparent;
            padding:0;
        }
        .index-wrap__button button a {
            display:block;
            width:200px;
            height:52px;
            line-height:52px;
            text-align:center;
            border-radius:52px;
            font-size:17px;
            font-weight:500;
            text-decoration:none;
            transition:all 0.3s ease;
        }
        /* 论文查重入口：主蓝色填充 */
        .index-wrap__button button:nth-child(1) a {
            background:#0977e8;
            color:#ffffff;
            box-shadow: 0 6px 16px rgba(9,119,232,0.22);
        }
        .index-wrap__button button:nth-child(1) a:hover {
            background:#0768cf;
            box-shadow: 0 8px 22px rgba(9,119,232,0.3);
            transform: translateY(-2px);
        }
        /* AIGC检测入口：白色边框+蓝色文字 */
        .index-wrap__button button:nth-child(2) a {
            border:2px solid #0977e8;
            color:#0977e8;
            background:#ffffff;
        }
        .index-wrap__button button:nth-child(2) a:hover {
            background:#0977e8;
            color:#fff;
            transform: translateY(-2px);
        }
        @media screen and (max-width:768px){
            .index-wrap__button {
                flex-direction:column;
            }
            .index-wrap__button button a {
                width:100%;
            }
        }
        
        
        
               /* ===== 作用域隔离！仅多场景板块，不会污染全局原有样式 ===== */
        .scene-wrap {
            width: 100%;
            padding: 60px 20px;
            box-sizing: border-box;
            background: linear-gradient(120deg,#f6faff,#f8faff);
        }
        .scene-container {
            max-width: 1220px;
            margin: 0 auto;
        }
        .scene-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .scene-title .en {
            font-size: 16px;
            color:#555;
            letter-spacing:2px;
            display:block;
            margin-bottom: 8px;
        }
        .scene-title h3 {
            font-size:40px;
            margin:0;
            position:relative;
        }
        .scene-title h3:after {
            content:"";
            width:54px;
            height:3px;
            background:#222;
            position:absolute;
            left:50%;
            transform:translateX(-50%);
            bottom:-14px;
        }
        /* 核心布局：左卡片区域 + 右侧插画 */
        .scene-row {
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:40px;
        }
        .scene-col-left {
            flex:1;
        }
        .scene-left-wrap {
            display:flex;
            gap:22px;
        }
        .scene-col-l,
        .scene-col-r {
            width: calc(50% - 11px);
            display:flex;
            flex-direction:column;
            gap:22px;
        }
        .scene-col-center {
            width:360px;
            flex-shrink:0;
            text-align:center;
        }
        .scene-col-center img {
            max-width: 100%;
        }
        /* 场景卡片 修复文字溢出！固定布局 */
        .scene-card {
            background:rgb(237 246 251);
            border-radius:16px;
            padding:24px 26px;
            display:flex;
            justify-content:space-between;
            align-items:center;
            min-height:110px;
            box-sizing:border-box;
        }
        .scene-card-text {
            flex:1;
            padding-right:16px;
        }
        .scene-card-text h4 {
            font-size:22px;
            margin:0 0 6px;
            font-weight:600;
        }
        .scene-card-text p {
            font-size:14px;
            color:#555;
            line-height:1.55;
            margin:0;
            /* 文字自动换行，杜绝溢出 */
            word-break:normal;
        }
        .scene-card-icon img {
            width:60px;
        }
        .scene-card a {
            display:flex;
            width:100%;
            text-decoration:none;
            color:inherit;
            justify-content:space-between;
            align-items:center;
        }
        /* 移动端自适应 */
        @media screen and (max-width:1024px){
            .scene-row {
                flex-direction:column;
            }
            .scene-col-center {
                order:-1;
                width:320px;
                margin-bottom:30px;
            }
            .scene-left-wrap {
                flex-direction:column;
            }
            .scene-col-l,
            .scene-col-r {
                width:100%;
            }
        }
        @media screen and (max-width:640px){
            .scene-wrap {
                padding:40px 15px;
            }
            .scene-title h3 {
                font-size:30px;
            }
            .scene-card {
                padding:18px 20px;
                min-height:auto;
            }
            .scene-card-text h4 {
                font-size:18px;
            }
            .scene-card-icon img {
                width:46px;
            }
        }
        
        
        
        
        /* ========== 系统功能板块样式 严格匹配截图UI ========== */
.system-function-wrap {
    width: 100%;
    padding: 70px 20px;
    box-sizing: border-box;
    background: linear-gradient(120deg,#f6faff,#f8faff);
}
.system-function-container {
    max-width: 1240px;
    margin: 0 auto;
}
/* 标题 */
.system-function-title {
    text-align: center;
    margin-bottom: 44px;
}
.system-function-title p {
    font-size: 18px;
    color:#66748c;
    letter-spacing: 3px;
    display:block;
    margin-bottom: 8px;
}
.system-function-title h3 {
    font-size: 42px;
    margin:0;
    position:relative;
    font-weight: 700;
    color:#111;
}
.system-function-title h3::after {
    content:"";
    width:58px;
    height:4px;
    background:#222;
    position:absolute;
    left:50%;
    transform:translateX(-50%);
    bottom:-16px;
}

/* Tab导航【重点1:1复刻你截图胶囊按钮】 */
.system-function-tab {
    list-style: none;
    padding:0;
    margin:0 auto 50px;
    display:flex;
    justify-content:center;
    gap:24px;
    flex-wrap: wrap;
}
.system-function-tab li {
    padding:14px 36px;
    border-radius:999px;
    background:#ffffff;
    color:#555;
    font-size:18px;
    cursor:pointer;
    transition: all 0.3s ease;
    border:1px solid #e6f0fc;
}
.system-function-tab li.active {
    background:#0977e8;
    color:#fff;
    box-shadow: 0 6px 16px rgba(9,119,232,0.22);
    border-color:#0977e8;
}
.system-function-tab li:hover:not(.active) {
    background:#f0f7ff;
}

/* 主体内容 左图右文 */
.system-function-content {
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:80px;
}
.system-function-left {
    width:480px;
    flex-shrink:0;
}
.system-function-left img {
    width:100%;
}
.system-function-right {
    flex:1;
}
/* 内容面板切换 */
.func-panel {
    display:none;
}
.func-panel.active {
    display:block;
    animation: fadeIn 0.4s ease;
}
@keyframes fadeIn {
    from{opacity:0;transform:translateY(12px);}
    to{opacity:1;transform:translateY(0);}
}
.func-panel h3 {
    font-size:32px;
    color:#111;
    margin:0 0 26px;
    font-weight:600;
}
.func-panel ul {
    list-style:none;
    padding:0;
    margin:0;
}
.func-panel ul li {
    display:flex;
    align-items:flex-start;
    margin-bottom:22px;
}
.func-panel ul li:last-child {
    margin-bottom:0;
}
.system-tag {
    min-width:92px;
    font-size:17px;
    color:#0977e8;
    font-weight:600;
}
.system-text {
    flex:1;
    font-size:16px;
    color:#555;
    line-height:1.7;
}
.func-desc {
    font-size:16px;
    color:#555;
    line-height:1.75;
    margin:0;
}

/* 移动端适配 */
@media screen and (max-width:1080px){
    .system-function-content {
        flex-direction:column;
    }
    .system-function-left {
        width:380px;
        order:-1;
    }
    .system-function-tab li {
        padding:12px 26px;
        font-size:16px;
    }
}
@media screen and (max-width:640px){
    .system-function-wrap {
        padding:45px 15px;
    }
    .system-function-title h3 {
        font-size:32px;
    }
    .system-function-left {
        width:300px;
    }
    .func-panel h3 {
        font-size:26px;
    }
    .system-function-tab {
        gap:12px;
    }
    .system-function-tab li {
        padding:10px 20px;
        font-size:14px;
    }
}
