/* ========== 主页品牌基础 : css/style.css ========== */
/* ============================================================
   文察 · 万方数据文献智能察验服务 —— 样式表
   结构一比一复刻 wencha.wanfangdata.com.cn（Nuxt 版）
   图片全部本地化，无第三方 CDN
   ============================================================ */
:root{
  --purple:#0B3D91;        /* 主紫 */
  --purple-deep:#0a2e6e;
  --blue:#2563eb;          /* 激活蓝 */
  --green:#52C59B;         /* 进入按钮文字 */
  --green-bg:#C6F1E1;      /* 进入按钮背景 */
  --text-333:#333;
  --text-222:#222;
  --text-756:#5b6b82;
  --line-purple:#dbe4f0;
  --line-blue:#d6e2f5;
  --wrap:1400px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:#333;background:#fff;line-height:1.6}
img{max-width:100%;border:0}
a{text-decoration:none;color:#680dc3}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--purple);outline-offset:2px}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#c3d2ec;border-radius:4px}

/* ===================== 顶部导航（悬浮于轮播） ===================== */
.header-box{
  position:absolute;top:0;left:0;width:100%;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  height:80px;padding:0 130px;color:#4f4b53;box-sizing:border-box;
  background:linear-gradient(180deg, #f0f4fd 0%, rgba(255,255,255,0.94) 100%);
  border-bottom:1px solid #e5e9f0;
}
.header-left{display:flex;align-items:center;gap:138px}
.header-left .logo{height:52px;width:auto;cursor:pointer}
.menus{display:flex;gap:6px}
.menus .menu{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:#4f4b53;font-size:21px;padding:10px 16px;border-radius:19px;white-space:nowrap;transition:.25s;
}
.menus .menu img{height:30px;width:27px;margin-bottom:6px}
.menus .menu:hover,.menus .menu.active{background:rgba(214,226,245,.18)}
.header-right{display:flex;align-items:center;font-size:16px;font-weight:600}
.header-right .platform-link{
  color:#680dc3;font-size:14px;font-weight:400;margin-right:24px;padding:4px 10px;border-radius:5px;transition:.25s;
}
.header-right .platform-link:hover{background:rgba(214,226,245,.18);border-radius:16px}
.header-right .person-link{
  border:1px solid #c9d9f2;border-radius:16px;padding:5px 14px;font-size:14px;font-weight:400;color:#0B3D91;transition:.25s;
}
.header-right .person-link:hover{background:rgba(214,226,245,.18);border-color:#baa6cc}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{width:24px;height:2px;background:#0B3D91;border-radius:1px}

/* ===================== 通用标题 ===================== */
.title{color:#333;font-size:30px;font-weight:700;letter-spacing:.75px;line-height:30px;padding-top:50px;text-align:center}
.title .content{display:inline-block;padding:0 21px;position:relative}
.title .content::before,.title .content::after{
  content:"";display:inline-block;width:120px;height:13px;vertical-align:baseline;
  background:linear-gradient(90deg,rgba(11,61,145,0),rgba(11,61,145,.75));
  border-radius:8px;
}
.title .content::after{background:linear-gradient(90deg,rgba(11,61,145,.75),rgba(11,61,145,0))}
.title-desc{color:#333;font-size:18px;font-weight:400;letter-spacing:.45px;line-height:30px;margin-top:30px;text-align:center}
.product-title{
  align-items:center;color:#222;display:flex;font-size:22px;font-weight:500;
}
.product-title::before{background:#b8c9e8;border-radius:3px;content:"";display:inline-block;height:22px;margin-right:8px;width:5px}
.product-title .hot{align-self:flex-start;height:24px;margin-left:10px;width:18px}

/* ===================== 轮播 ===================== */
.introduce-info{position:relative;overflow:hidden}
.carousel-box{height:600px;overflow:hidden;position:relative;width:100%}
.carousel-track{display:flex;height:100%;width:100%;transition:transform .5s cubic-bezier(.25,.46,.45,.94)}
.carousel-item{height:100%;min-width:100%}
.carousel-item img{height:auto;object-fit:cover;width:100%}
.carousel-bar{bottom:40px;display:flex;gap:10px;left:50%;position:absolute;transform:translateX(-50%);z-index:10}
.bar-dot{background:#b8c9e8;cursor:pointer;height:3px;transition:all .3s;width:30px;border-radius:2px}
.bar-dot.active_bar{background:#2563eb;transform:scale(1.2)}

/* 装饰球与弧线 */
.left-ball-box{left:-320px;position:absolute;top:450px}
.left-ball-box .ball{animation:left-ball 8s linear infinite;background-color:#e9e8ee;border-radius:50%;display:inline-block;height:30px;transform-origin:250px center;width:30px}
.left-ball-box .ball-2{animation:left-ball-2 8s linear infinite;background-color:#e9e8ee;border-radius:50%;display:inline-block;height:50px;transform-origin:240px center;width:50px}
.left-bal-roll{border:2px solid #e9e8ee;border-radius:0 210px 210px 0;height:460px;left:-50px;position:absolute;top:250px;width:210px}
.right-ball-box{position:absolute;right:180px;top:530px}
.right-ball-box .ball{animation:right-ball 8s linear infinite;background-color:#e9e8ee;border-radius:50%;height:30px;transform-origin:215px;width:30px}
.right-bal-roll{border:2px solid #e9e8ee;border-radius:200px 0 0 200px;height:400px;position:absolute;right:0;top:345px;width:200px}
.right-ball-box-1{position:absolute;right:225px;top:580px}
.right-ball-box-1 .ball{animation:right-ball-1 10s linear infinite;background-color:#e9e8ee;border-radius:50%;height:60px;transform-origin:265px center;width:60px}
.right-bal-roll-1{border:2px solid #e9e8ee;border-radius:250px 0 0 250px;height:500px;position:absolute;right:0;top:360px;width:250px}
@keyframes left-ball{0%{transform:rotate(.35turn)}50%{transform:rotate(.7turn)}to{transform:rotate(.35turn)}}
@keyframes left-ball-2{0%{transform:rotate(.3turn)}50%{transform:rotate(234deg)}to{transform:rotate(.3turn)}}
@keyframes right-ball{0%{transform:rotate(1.23turn)}50%{transform:rotate(.77turn)}to{transform:rotate(1.23turn)}}
@keyframes right-ball-1{0%{transform:rotate(1.23turn)}50%{transform:rotate(.77turn)}to{transform:rotate(1.23turn)}}

/* ===================== 多维检测服务 ===================== */
.product-box{background:#fff}
.product-list{display:flex;margin:auto;padding:50px;width:1400px;max-width:100%}
.product-left{flex:6;margin-right:50px}
.product-left .list-cloum{margin-top:20px}
.cloum-box{
  background:linear-gradient(to top right,#dce4fa 15%,#fff 25%);
  border:1px solid #dbe4f0;border-radius:10px;margin-bottom:20px;padding:20px;
  transition:transform .3s,box-shadow .3s;cursor:pointer;
}
.cloum-box:hover{transform:translateY(-8px);box-shadow:0 12px 32px rgba(13,13,13,.08)}
.cloum-box .title{display:flex;font-size:18px;font-weight:500;justify-content:space-between;margin-bottom:20px;padding:0;color:#333;text-align:left;line-height:30px;padding-top:0}
.cloum-box .title b{font-size:18px;color:#333;font-weight:500}
.cloum-box .title .sub{font-size:14px;color:#666}
.cloum-box .title-icon{display:inline-block;height:30px;margin-right:5px;vertical-align:middle}
.cloum-2 .title-icon{width:26px}
.cloum-1 .title-icon{width:33px}
.cloum-box .desc{font-size:16px;color:#222;line-height:1.8}
.cloum-box .desc .hl{color:#0B3D91}

.product-right{flex:13}
.list-row{display:flex;margin-top:20px}
.list-row .row-1,.list-row .row-2,.list-row .row-3,.list-row .row-4,.list-row .row-5,.list-row .row-6{
  position:relative;border-radius:10px;flex:1;font-size:15px;line-height:26px;text-align:center;cursor:pointer;
  transition:transform .3s,box-shadow .3s;background-size:100% 100%;background-repeat:no-repeat;
  border:1px solid #d6e2f5;padding:10px 15px;
}
.list-row .row-1{background-image:url("../images/row-1.png")}
.list-row .row-2{background-image:url("../images/row-2.png")}
.list-row .row-3{background-image:url("../images/row-3.png")}
.list-row .row-4{background-image:url("../images/row-4.png")}
.list-row .row-5{background-image:url("../images/row-5.png")}
.list-row .row-6{background-image:url("../images/row-6.png")}
.list-row [class^=row-]{margin-left:20px}
.list-row .row-1,.list-row .row-4{margin-left:0}
.list-row [class^=row-]:hover{transform:translateY(-8px);box-shadow:0 12px 32px rgba(13,13,13,.08)}
.list-row [class^=row-] img{height:35px;width:130px;object-fit:contain;margin:8px auto;display:block}
.list-row [class^=row-] h3{color:#333;font-size:15px;font-weight:700;line-height:26px}
.list-row [class^=row-] p{text-align:left;color:#222;font-size:14px;line-height:26px;padding:0 0 6px}

.enter-icon{
  display:inline-flex;align-items:center;justify-content:center;
  color:#52C59B;font-size:14px;background:#C6F1E1;padding:0 5px;border-radius:5px;height:26px;line-height:26px;
  visibility:hidden;white-space:nowrap;
}
.cloum-box:hover .enter-icon,.list-row [class^=row-]:hover .enter-icon{visibility:visible}
.cloum-box .enter-icon{align-self:center}
.row-1 .enter-icon,.row-2 .enter-icon,.row-3 .enter-icon,.row-4 .enter-icon,.row-5 .enter-icon,.row-6 .enter-icon{position:absolute;right:14px;top:10px}

/* ===================== AI实验室 ===================== */
.ai-product{margin:auto;padding:50px;width:1400px;max-width:100%}
.ai-product .product-title{margin-bottom:30px}
.ai-content{
  background:url("../images/ai-bg.png") no-repeat;background-size:100% 100%;
  display:flex;margin-top:30px;padding:20px 40px;position:relative;border-radius:8px;overflow:hidden;
}
.ai-content .ai-img{height:auto;width:600px;max-width:100%;transition:transform .5s}
.ai-content:hover .ai-img{transform:scale(1.1)}
.ai-content .content-text{margin-left:80px;margin-top:50px}
.ai-content .ai-icon{align-items:center;display:flex}
.ai-content .ai-logo-img{height:70px;margin-right:10px}
.ai-content .slogan{font-size:24px;color:#333}
.ai-content .mt-text{margin-top:50px;font-size:18px;color:#333;line-height:2em}
.ai-enter{position:absolute;right:26px;top:26px}
.ai-content:hover .enter-icon{visibility:visible}

/* ===================== 先进的核心技术 ===================== */
.introduce-feature{
  background:url("../images/feature-bg.png") no-repeat;background-size:100% 100%;
  margin-top:50px;padding-bottom:60px;
}
.introduce-feature .feature-box{display:flex;margin:auto;padding:50px;width:1400px;max-width:100%}
.feature-left{display:flex}
.prod-list{border-right:1px solid #d0d0d0;flex-shrink:0;text-align:right;width:150px}
.prod-list div{font-weight:700;padding:20px 13px;cursor:pointer;transition:background .3s,color .3s;color:#222}
.prod-list .active{
  background:linear-gradient(-90deg,rgba(11,61,145,.3),rgba(255,255,255,.02));
  border-right:2px solid #0B3D91;color:#0B3D91;
}
.feature-right{flex:1}
.feature-right .flex{display:flex;align-items:flex-start}
.prod-desc{flex:1;margin-left:30px}
.prod-desc .tech-title{color:#0B3D91;font-size:30px;font-weight:700;margin-bottom:10px;margin-top:10px;line-height:1.3}
.prod-desc .tech-desc{font-size:16px;color:#5b6b82;margin-bottom:30px;line-height:1.5em}
.tag-list{display:flex;flex-wrap:wrap}
.tag{
  align-items:center;background:#fca603;border-radius:5px;color:#FFF;display:inline-flex;
  font-size:12px;margin:10px 10px 0 0;padding:4px 8px;white-space:nowrap;
}
.tag::before{content:"";display:inline-block;width:12px;height:11px;margin-right:5px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 11'%3E%3Cpath fill='%239D7CB9' d='M4.8 8.2L1.6 5l1-1 2.2 2.2L9.4 1l1 1z'/%3E%3C/svg%3E") no-repeat center/contain}
.flex-1{flex:1;min-width:0}
#feature-right img{width:100%;height:auto;display:block}

/* ---- 布局A：标题 + 描述 + 标签 + 大图 ---- */
#feature-right .flex{display:flex;align-items:flex-start}
#feature-right .tech-sub{font-size:20px;color:#222;font-weight:700;margin-bottom:8px}

/* ---- 布局B：图像检测（双图模块卡） ---- */
.layoutB{display:flex;flex-direction:column;height:100%}
.layoutB .tech-title{margin-bottom:10px}
.layoutB .tech-desc{margin-bottom:10px}
.layoutB-imgs{display:flex;flex:1;min-height:360px}
.layoutB .pimg{position:relative;flex:1;min-width:0}
#feature-right .layoutB .pimg img{width:100%;height:100%;object-fit:cover}
.layoutB .pblock{position:absolute;left:14%;bottom:16%;width:76%}
.pblock h4{font-size:17px;color:#333;text-align:center;margin-bottom:8px;font-weight:700}
.pblock .tag{display:inline-flex;margin:0}
.pblock .pnote{font-size:13px;color:#9385A1;margin-top:6px;line-height:1.6}
.pblock .pnote + .tag{margin-top:8px}
.pblock .tag + .pnote{margin-top:6px}

/* ---- 布局C：风险核查（副标题 + 图 + 模块列） ---- */
.layoutC{display:flex;flex-direction:column;height:100%}
.layoutC .tech-desc{margin-bottom:30px}
.layoutC-row{display:flex;align-items:center}
.layoutC-sub{font-size:22px;color:#222;font-weight:700;white-space:nowrap}
#feature-right .layoutC img{width:200px;height:auto;margin-left:20px;flex-shrink:0}
.layoutC-col{margin-left:24px}
.layoutC-col .tag{display:inline-flex;margin:0}
.layoutC-col .pitem{font-size:14px;color:#222;margin:10px 0 30px;line-height:1.7}
.layoutC-col .pitem:last-child{margin-bottom:0}

/* ===================== 强大的数据底座 ===================== */
.introduce-data{padding-bottom:20px}
.introduce-data .data-box{
  background:url("../images/introduce-data.png") no-repeat;background-size:100% 100%;
  height:349px;margin:50px auto;width:1200px;max-width:100%;position:relative;
}
.data-item{position:relative;text-align:left}
.data-item span{
  background:#fff;border-radius:10px;box-shadow:0 0 10px rgba(0,0,0,.2);color:#222;cursor:pointer;
  display:inline-block;font-size:18px;font-weight:700;height:55px;letter-spacing:.45px;line-height:55px;
  text-align:center;width:205px;position:absolute;transition:transform .3s;
}
.data-item span:hover{transform:scale(1.3);z-index:100}
.level-1 .item-1{left:100px;top:0}
.level-1 .item-2{left:520px;top:30px}
.level-1 .item-3{left:820px;top:50px}
.level-2 .item-1{left:300px;top:95px}
.level-2 .item-2{left:580px;top:125px}
.level-2 .item-3{left:820px;top:170px}
.level-3 .item-1{left:350px;top:190px}
.level-3 .item-2{left:640px;top:240px}
.level-3 .item-3{left:940px;top:280px}
.level-4 .item-1{left:0;top:250px}
.level-4 .item-2{left:250px;top:260px}
.level-4 .item-3{left:470px;top:300px}

/* ===================== 便捷的操作流程 ===================== */
.introduce-process{background:#fff;padding-bottom:50px}
.process-box{align-items:center;display:flex;justify-content:center;margin:50px 0}
.process-box .process-1,.process-box .process-2,.process-box .process-3,.process-box .process-4{
  background-repeat:no-repeat;background-size:100% 100%;height:201px;position:relative;width:240px;flex-shrink:0;
}
.process-1{background-image:url("../images/process-1.png")}
.process-2{background-image:url("../images/process-2.png")}
.process-3{background-image:url("../images/process-3.png")}
.process-4{background-image:url("../images/process-4.png")}
.process-box .text{
  bottom:50px;color:#333;font-size:24px;font-weight:400;left:40px;letter-spacing:.6px;
  line-height:30px;position:absolute;text-align:left;
}
.process-box .text .index{
  border-radius:15px 15px 0;color:#fff;display:inline-block;font-size:18px;height:29px;
  line-height:30px;margin-right:5px;text-align:center;width:29px;
}
.process-1 .index{background-color:#7db3f5}
.process-2 .index{background-color:#a079b6}
.process-3 .index{background-color:#fdaa36}
.process-4 .index{background-color:#5cc4ba;font-size:20px}
.process-arrow{
  display:inline-block;height:32px;margin:0 20px;width:38px;flex-shrink:0;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 38 32'%3E%3Cpath d='M2 15h30l-8-8 2-2 12 12-12 12-2-2 8-8H2z' fill='%239D7CB9'/%3E%3C/svg%3E") no-repeat center/contain;
}

/* ===================== 资讯·动态 ===================== */
.message-box{background:#ecf0f3;padding-bottom:60px;margin-top:50px}
.message-list{margin:60px auto 0;padding-bottom:20px;text-align:left;width:1350px;max-width:100%;display:flex}
.message-left,.message-right{
  background:url("../images/message-bg.png") no-repeat;background-size:100% 100%;padding:30px;flex:1;
}
.message-left{margin-right:45px}
.message-right{margin-left:45px}
.message-left ul li a,.message-right ul li a{
  align-items:center;border-bottom:1px solid #ddd;color:#333;display:flex;font-size:14px;padding:10px 0;
  transition:color .25s;
}
.message-left ul li a:hover,.message-right ul li a:hover{color:#0B3D91}
.message-left ul li a::before{
  content:"";display:inline-block;height:10px;margin-right:10px;width:15px;flex-shrink:0;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 15 10'%3E%3Cpath fill='%2352C59B' d='M7.5 2.5C4.5 2.5 2 4.5 0 8c1.5 2 4 3.5 7.5 3.5S13.5 10 15 8c-2-3.5-4.5-5.5-7.5-5.5zM7.5 9C6.3 9 5.3 8 5.3 6.8c0-1.2 1-2.2 2.2-2.2s2.2 1 2.2 2.2C9.7 8 8.7 9 7.5 9z'/%3E%3C/svg%3E") no-repeat center/contain}
.message-right ul li a::before{
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 15 10'%3E%3Cpath fill='%23F0A93B' d='M7.5 2.5C4.5 2.5 2 4.5 0 8c1.5 2 4 3.5 7.5 3.5S13.5 10 15 8c-2-3.5-4.5-5.5-7.5-5.5zM7.5 9C6.3 9 5.3 8 5.3 6.8c0-1.2 1-2.2 2.2-2.2s2.2 1 2.2 2.2C9.7 8 8.7 9 7.5 9z'/%3E%3C/svg%3E") no-repeat center/contain}

/* ===================== 页脚 ===================== */
.footer{background:#1b1b1b;color:#949498;font-size:14px;padding-top:20px;width:100%}
.footer .content{display:flex;justify-content:space-between;margin:10px auto;width:1400px;max-width:100%}
.footer .content .item{flex:1;font-size:14px;line-height:35px;text-align:left;padding:0 20px}
.footer .content .item .item-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:20px}
.footer .content .item .img-box{display:flex}
.footer .content .item .book,.footer .content .item .service{font-size:15px;margin-right:20px;text-align:center}
.footer .content .item .book img,.footer .content .item .service img{height:120px;width:120px}
.footer .content .item a{color:#949498}
.footer .content .item a:hover{color:#7f7f7f}
.footer .bottom{background:#1b1b1b;border-top:1px solid #3c3d41;color:#606061;font-size:13px;line-height:20px;padding:24px 20px 20px;text-align:center}
.footer .bottom span{margin-right:20px}
.footer .bottom a{color:#606061;margin-right:20px}
.footer .bottom a:hover{color:#7f7f7f}
.hover-7f:hover{color:#7f7f7f;cursor:pointer}

/* ===================== 返回顶部 ===================== */
.back-top{
  position:fixed;right:30px;bottom:40px;z-index:99;width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg, #fdaa36, #fdaa36);color:#fff;font-size:20px;
  box-shadow:0 6px 18px rgba(123,95,150,.4);opacity:0;visibility:hidden;transform:translateY(20px);transition:.35s;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:linear-gradient(135deg,#8b6aa8,#34518c)}

/* ===================== 响应式 ===================== */
@media (max-width:1440px){
  .message-list{width:1150px}
  .footer .content{width:1150px}
  .ai-content .ai-img{width:480px}
  .ai-content .content-text{margin-left:50px}
}
@media (max-width:1200px){
  .header-box{padding:0 24px}
  .header-left{flex-wrap:wrap}
  .menus .menu{padding:8px 10px;font-size:14px}
  .product-list{flex-direction:column;padding:30px}
  .product-left{margin-right:0}
  .list-row{flex-wrap:wrap}
  .list-row [class^=row-]{flex:1 1 30%;margin:10px 0 0 10px}
  .ai-content{flex-direction:column;align-items:center;text-align:center}
  .ai-content .ai-img{width:100%}
  .ai-content .content-text{margin:20px 0 0}
  .ai-content .ai-icon{justify-content:center}
  .feature-box{flex-direction:column}
  .prod-list{width:100%;border-right:0;border-bottom:1px solid #d0d0d0;display:flex;flex-wrap:wrap;text-align:center}
  .prod-list div{flex:1 1 30%;padding:12px}
  .prod-desc{margin-left:0;margin-top:20px}
  .data-box{height:auto;background:#f7f4fb;border-radius:12px;padding:20px}
  .data-item{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px}
  .data-item span{position:static;width:auto;flex:1 1 30%;min-width:150px}
  .process-box{flex-wrap:wrap;gap:20px}
  .message-list{flex-direction:column}
  .message-left,.message-right{margin:0 0 20px}
}
@media (max-width:768px){
  .header-box{height:auto;padding:12px 16px;position:relative;background:#7a5c9e}
  .header-box .logo{height:40px}
  .header-left{flex-direction:column;align-items:flex-start;gap:10px;width:100%}
  .menus{display:none;flex-direction:column;width:100%;background:#e9edf5;border-radius:10px;padding:8px}
  .menus.open{display:flex}
  .menus .menu{flex-direction:row;gap:8px;padding:10px;width:100%;text-align:left;justify-content:flex-start}
  .menus .menu img{height:20px;width:20px;margin-bottom:0}
  .header-right{position:absolute;top:16px;right:16px}
  .header-right .platform-link{display:none}
  .nav-toggle{display:flex}
  .carousel-box{height:auto}
  .title{font-size:24px;padding-top:36px}
  .title .content::before,.title .content::after{width:60px}
  .title-desc{font-size:15px;margin-top:20px}
  .product-title{font-size:18px}
  .ai-product{padding:24px}
  .ai-content{padding:14px}
  .ai-content .slogan{font-size:18px}
  .ai-content .mt-text{font-size:15px}
  .tech-title{font-size:22px!important}
  .feature-box{padding:24px!important}
  .prod-list div{flex:1 1 45%}
  .footer .content{flex-direction:column}
}
/* ===== 平台优势：8栏目顶部横向tab（PaperZX论文在线） ===== */
.introduce-feature .prod-list{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;
  gap:6px;width:1400px;max-width:92%;margin:30px auto 0;padding:0;
  border-right:0;border-bottom:0;text-align:center;
}
.introduce-feature .prod-list div{
  flex:0 0 auto;min-width:0;padding:10px 26px;margin:0;
  border:1px solid #d5dce8;border-radius:24px;background:#fff;
  font-weight:600;color:#55607a;cursor:pointer;
  transition:all .3s;box-shadow:0 2px 8px rgba(13,45,115,.05);
}
.introduce-feature .prod-list div:hover{color:#1a56db;border-color:#1a56db;background:#f0f6ff}
.introduce-feature .prod-list .active{
  background:linear-gradient(135deg,#1a56db,#3f7dff);border-color:transparent;
  color:#fff;box-shadow:0 4px 14px rgba(7,91,249,.25);
}
.introduce-feature .feature-box{padding:30px 50px 20px}
@media (max-width:768px){
  .introduce-feature .prod-list{gap:8px;max-width:96%}
  .introduce-feature .prod-list div{padding:8px 16px;flex:0 0 auto}
}
/* ===== 查重系统入口：第3行卡片样式（PaperZX论文在线） ===== */
.list-row .row-7{background-image:linear-gradient(135deg,#eef4ff,#f7fbff)}
.list-row .row-8{background-image:linear-gradient(135deg,#f2f6ff,#eef3ff)}
.list-row .row-9{background-image:linear-gradient(135deg,#f0f7f3,#eaf6ef)}
.list-row .row-7,.list-row .row-8,.list-row .row-9{flex:1;border-radius:10px;border:1px solid #d6e2f5;padding:10px 15px;position:relative;font-size:15px;line-height:26px;text-align:center;cursor:pointer;transition:transform .3s,box-shadow .3s;background-size:100% 100%;background-repeat:no-repeat}
.list-row .row-7{margin-left:0}
.row-7 .enter-icon,.row-8 .enter-icon,.row-9 .enter-icon{position:absolute;right:14px;top:10px}
@media (max-width:900px){
  .list-row .row-7,.list-row .row-8,.list-row .row-9{flex:1 1 30%;margin:10px 0 0 10px}
  .list-row .row-7{margin-left:10px}
}
/* ===== 整卡超链接（PaperZX论文在线） ===== */
.list-row .row-link,.cloum-box .row-link{position:absolute;inset:0;z-index:1;border-radius:10px;cursor:pointer}
.cloum-box{position:relative}
.list-row [class^=row-] .enter-icon,.cloum-box .enter-icon{position:relative;z-index:2}

/* ===== 导航下拉菜单（SEO内链导航·多行网格） ===== */
.menu-wrap{position:relative}
.menu-wrap .dropdown{position:absolute;top:calc(100% + 4px);left:50%;transform:translateX(-50%);background:#fff;border-radius:12px;box-shadow:0 12px 30px rgba(10,46,110,.18);border:1px solid #dbe4f0;padding:12px;display:none;z-index:60;min-width:390px}
.menu-wrap:hover .dropdown,.menu-wrap:focus-within .dropdown{display:grid;grid-template-columns:repeat(3,1fr);gap:2px 8px}
.menu-wrap .dropdown a{display:flex;align-items:center;gap:8px;padding:9px 12px;color:#33415c;font-size:14px;white-space:nowrap;transition:.2s;border-radius:8px}
.menu-wrap .dropdown a:hover{background:#f2f6fc;color:#0B3D91}
.menu-wrap .dropdown a::before{content:"";width:6px;height:6px;border-radius:50%;background:#2563eb;flex-shrink:0}
@media(max-width:768px){
  .menu-wrap{width:100%}
  .menu-wrap .dropdown{position:static;transform:none;display:block;background:transparent;border:none;box-shadow:none;padding:0 0 4px 16px;min-width:0;grid-template-columns:1fr}
  .menu-wrap .dropdown a{padding:8px 10px;color:#3a4a66;font-size:14px;justify-content:flex-start}
  .menu-wrap .dropdown a::before{display:none}
}

.menu-wrap .dropdown{position:absolute;top:calc(100% + 4px);left:50%;transform:translateX(-50%);background:#fff;border-radius:12px;box-shadow:0 12px 30px rgba(10,46,110,.18);border:1px solid #dbe4f0;padding:8px 0;min-width:210px;display:none;z-index:60}
.menu-wrap:hover .dropdown,.menu-wrap:focus-within .dropdown{display:block}
.menu-wrap .dropdown a{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;color:#33415c;font-size:15px;white-space:nowrap;transition:.2s}
.menu-wrap .dropdown a:hover{background:#f2f6fc;color:#0B3D91}
.menu-wrap .dropdown a::before{content:"";width:6px;height:6px;border-radius:50%;background:#2563eb;flex-shrink:0}
@media(max-width:768px){
  .menu-wrap{width:100%}
  .menu-wrap .dropdown{position:static;transform:none;display:block;background:transparent;border:none;box-shadow:none;padding:0 0 4px 16px;min-width:0}
  .menu-wrap .dropdown a{padding:8px 10px;color:#3a4a66;font-size:14px;justify-content:flex-start}
  .menu-wrap .dropdown a::before{display:none}
}


/* ========== 专题页原生 : css/zhuanti.css ========== */
#func .prod-desc{display:none}
#func .prod-desc.active{display:block}
#func .prod-desc.active img{max-width:100%;border-radius:10px;margin-top:6px;box-shadow:0 10px 30px rgba(11,61,145,.15)}

/* ===== 专题通用样式（原行内CSS提取规范化） ===== */
.zt-hero-check{background:linear-gradient(135deg, rgb(255 255 255 / 28%), rgba(10,46,110,.5)),url(../images/hero-check-bg.jpg) center/cover no-repeat;padding:64px 20px 58px;color:#fff}
.zt-hero-aiwrite{background:linear-gradient(135deg, rgb(255 255 255 / 28%), rgba(10,46,110,.5)),url(../images/hero-aiwrite-bg.jpg) center/cover no-repeat;padding:64px 20px 58px;color:#fff}
.zt-hero-inner{max-width:1180px;margin:0 auto;text-align:center;padding:36px 44px;border-radius:20px;}
.zt-hero-title{font-size:38px;font-weight:700;margin-bottom:16px;letter-spacing:1px}
.zt-hero-badge{display:inline-block;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.55);border-radius:18px;padding:3px 16px;font-size:14px;font-weight:400;vertical-align:middle}
.zt-hero-desc{font-size:16px;line-height:1.9;opacity:.95;max-width:880px;margin:0 auto 26px}
.zt-hero-desc-lg{font-size:16px;line-height:1.9;opacity:.95;max-width:900px;margin:0 auto 26px}
.zt-process-row{display:flex;justify-content:center;align-items:flex-start;gap:20px;flex-wrap:wrap;margin-bottom:30px}
.zt-step{text-align:center;color:#fff}
.zt-step-title{font-size:20px;font-weight:700;margin-bottom:6px}
.zt-step-sub{font-size:13px;opacity:.9}
.zt-step-arrow{color:#fff;font-size:22px;font-weight:700;opacity:.8}
.zt-btn-row{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
.zt-btn-primary{display:inline-block;background:linear-gradient(135deg,#0B3D91,#1a56db);color:#fff;font-size:17px;font-weight:700;padding:14px 46px;border-radius:30px;box-shadow:0 8px 22px rgba(11,61,145,.35)}
.zt-btn-ghost{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.6);color:#fff;font-size:17px;font-weight:600;padding:14px 40px;border-radius:30px}
.zt-bg-white{background:#fff}
.zt-bg-faq{background:#eef2fa}
.zt-title-center{text-align:center}
.zt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1180px;margin:0 auto;padding:0 20px}
.zt-grid-mt{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1180px;margin:16px auto 0;padding:0 20px}
.zt-card{background:linear-gradient(135deg,#f2f6fc,#ffffff);border:1px solid #dbe4f0;border-radius:12px;padding:22px 20px;text-align:left}
.zt-card-title{font-size:17px;font-weight:700;color:#0a2e6e;margin-bottom:6px}
.zt-card-price{font-size:19px;color:#2563eb;font-weight:700;margin-bottom:8px}
.zt-card-desc{font-size:13px;color:#5b6b82;line-height:1.8;margin-bottom:14px;min-height:52px}
.zt-card-btn{display:inline-block;background:linear-gradient(135deg,#0B3D91,#1a56db);color:#fff;font-size:14px;font-weight:700;padding:9px 26px;border-radius:22px}
.zt-report-img{max-width:100%;border-radius:10px;margin-top:12px;box-shadow:0 10px 30px rgba(11,61,145,.15)}
.zt-report-img-sm{margin-top:6px}
.zt-faq-box{max-width:980px;margin:0 auto;padding:0 20px}
.zt-faq-item{background:#f2f6fc;border:1px solid #dbe4f0;border-left:4px solid #1a56db;border-radius:8px;padding:16px 20px;margin-bottom:12px}
.zt-faq-item--alt{border-left-color:#0B3D91}
.zt-faq-q{font-size:15px;font-weight:700;color:#0a2e6e;margin-bottom:6px}
.zt-faq-a{font-size:14px;color:#444;line-height:1.9}

/* ===== 知识专栏（文章列表与栏目卡） ===== */
.zt-cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1180px;margin:0 auto;padding:0 20px}
.zt-cat-card{background:linear-gradient(135deg,#f2f6fc,#fff);border:1px solid #dbe4f0;border-radius:12px;padding:22px 20px;display:block;color:inherit;text-decoration:none;transition:.2s}
.zt-cat-card:hover{border-color:#2563eb;box-shadow:0 8px 22px rgba(11,61,145,.1)}
.zt-cat-name{font-size:17px;font-weight:700;color:#0a2e6e;margin-bottom:8px;display:flex;align-items:center;justify-content:space-between}
.zt-cat-name i{font-style:normal;color:#2563eb;font-size:14px}
.zt-cat-desc{font-size:13px;color:#5b6b82;line-height:1.7}
.zt-article-list{max-width:1000px;margin:0 auto;padding:0 20px}
.zt-article{background:#fff;border:1px solid #dbe4f0;border-left:4px solid #1a56db;border-radius:10px;padding:18px 22px;margin-bottom:14px;transition:.2s}
.zt-article:hover{border-left-color:#0B3D91;box-shadow:0 8px 20px rgba(10,46,110,.08)}
.zt-article-title{font-size:17px;font-weight:700;color:#0a2e6e;margin-bottom:6px}
.zt-article-title a{color:inherit;text-decoration:none}
.zt-article-title a:hover{color:#0B3D91}
.zt-article-desc{font-size:14px;color:#5b6b82;line-height:1.8;margin-bottom:8px}
.zt-article-meta{font-size:12px;color:#9aa7b8}
.zt-article-meta a{color:#2563eb;text-decoration:none;margin-left:10px}
.zt-article-meta a:hover{text-decoration:underline}
.zt-sec-title{font-size:24px;font-weight:700;color:#0a2e6e;text-align:center;margin:0 0 8px}
.zt-sec-desc{font-size:14px;color:#5b6b82;text-align:center;margin:0 0 26px}
@media(max-width:768px){.zt-cat-grid{grid-template-columns:1fr 1fr}.zt-article-list{padding:0 14px}}

/* ===== 文章内容页 ===== */
.zt-breadcrumb{max-width:1180px;margin:18px auto 0;padding:0 20px;font-size:13px;color:#5b6b82}
.zt-breadcrumb a{color:#2563eb;text-decoration:none}
.zt-breadcrumb a:hover{text-decoration:underline}
.zt-breadcrumb span{color:#33415c}
.zt-post-wrap{max-width:860px;margin:0 auto;padding:0 20px}
.zt-post-h1{font-size:28px;font-weight:700;color:#0a2e6e;line-height:1.5;margin:0 0 12px}
.zt-post-meta{font-size:13px;color:#9aa7b8;margin-bottom:26px;padding-bottom:16px;border-bottom:1px solid #dbe4f0}
.zt-post-h2{font-size:20px;font-weight:700;color:#0B3D91;margin:30px 0 12px;padding-left:12px;border-left:4px solid #2563eb}
.zt-post-h3{font-size:16px;font-weight:700;color:#33415c;margin:18px 0 8px}
.zt-post-p{font-size:15px;line-height:1.9;color:#33415c;margin:0 0 12px;text-align:justify}
.zt-post-p b{color:#0B3D91}
.zt-post-cta{margin:34px 0 10px;padding:24px;border-radius:12px;background:linear-gradient(135deg,#f2f6fc,#eef2fa);border:1px solid #dbe4f0;text-align:center}
.zt-post-cta-title{font-size:17px;font-weight:700;color:#0a2e6e;margin-bottom:6px}
.zt-post-cta-desc{font-size:13px;color:#5b6b82;margin-bottom:16px}
.zt-post-cta .zt-btn-primary,.zt-post-cta .zt-btn-ghost{display:inline-block;margin:0 8px}
/* ===== 文章列表页 ===== */
.zt-list-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:26px}
.zt-list-tabs [role=tab]{padding:8px 18px;border:1px solid #dbe4f0;border-radius:20px;background:#fff;color:#33415c;font-size:14px;cursor:pointer;transition:.2s}
.zt-list-tabs [role=tab]:hover{color:#0B3D91;border-color:#2563eb}
.zt-list-tabs [role=tab].active{background:linear-gradient(135deg,#0B3D91,#1a56db);color:#fff;border-color:#0B3D91}
.zt-list-grid{max-width:860px;margin:0 auto}
.zt-pagination{max-width:860px;margin:26px auto 0;padding:0 20px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#5b6b82}
.zt-pagination a{color:#2563eb;text-decoration:none}
.zt-pagination a:hover{text-decoration:underline}

/* ===== 博客布局（列表页/内容页） ===== */
.zt-blog{max-width:1180px;margin:0 auto;padding:24px 20px 40px;display:grid;grid-template-columns:1fr 300px;gap:30px}
.zt-blog-main{min-width:0}
.zt-blog-aside{min-width:0}
.zt-blog-aside .zt-aside-box{margin-bottom:20px;border:1px solid #dbe4f0;border-radius:12px;background:#fff;overflow:hidden;box-shadow:0 2px 10px rgba(10,46,110,.04)}
.zt-aside-title{padding:13px 16px;background:linear-gradient(135deg,#f2f6fc,#eef2fa);font-weight:700;color:#0a2e6e;font-size:15px;border-bottom:1px solid #dbe4f0;position:relative}
.zt-aside-title::before{content:"";display:inline-block;width:4px;height:14px;background:#2563eb;border-radius:2px;margin-right:8px;vertical-align:-2px}
.zt-aside-list a{display:flex;align-items:center;gap:8px;padding:11px 16px;border-bottom:1px dashed #eef2fa;color:#33415c;font-size:14px;text-decoration:none;transition:.2s}
.zt-aside-list a:hover{color:#0B3D91;background:#f7fafd}
.zt-aside-list a:last-child{border-bottom:none}
.zt-aside-num{flex-shrink:0;width:22px;height:22px;border-radius:6px;background:#eef2fa;color:#0B3D91;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.zt-aside-list a:nth-child(-n+3) .zt-aside-num{background:linear-gradient(135deg,#0B3D91,#1a56db);color:#fff}
.zt-aside-cat{display:flex;align-items:center;justify-content:space-between;padding:11px 16px;border-bottom:1px dashed #eef2fa;color:#33415c;font-size:14px;text-decoration:none;transition:.2s}
.zt-aside-cat:hover{color:#0B3D91;background:#f7fafd}
.zt-aside-cat i{font-style:normal;color:#9aa7b8;font-size:12px}
.zt-aside-box .zt-aside-btn{display:block;margin:12px 14px;padding:10px;border-radius:8px;background:linear-gradient(135deg,#0B3D91,#1a56db);color:#fff;text-align:center;text-decoration:none;font-size:14px;font-weight:600;transition:.2s}
.zt-aside-box .zt-aside-btn:hover{opacity:.9}
/* 列表项 */
.zt-blog-list{background:#fff;border:1px solid #dbe4f0;border-radius:12px;padding:8px 24px;box-shadow:0 2px 10px rgba(10,46,110,.04)}
.zt-blog-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px dashed #dbe4f0}
.zt-blog-item:last-child{border-bottom:none}
.zt-blog-date{flex-shrink:0;width:66px;text-align:center;background:#f2f6fc;border:1px solid #dbe4f0;border-radius:10px;padding:10px 0 8px;align-self:flex-start}
.zt-blog-date b{display:block;font-size:22px;line-height:1.1;color:#0B3D91}
.zt-blog-date span{font-size:12px;color:#5b6b82}
.zt-blog-main-item{min-width:0}
.zt-blog-item h2{font-size:18px;font-weight:700;margin:0 0 8px;line-height:1.5}
.zt-blog-item h2 a{color:#0a2e6e;text-decoration:none}
.zt-blog-item h2 a:hover{color:#0B3D91}
.zt-blog-item p{font-size:14px;color:#5b6b82;line-height:1.8;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.zt-blog-meta{display:flex;align-items:center;gap:14px;font-size:12px;color:#9aa7b8;flex-wrap:wrap}
.zt-blog-meta .tag{display:inline-block;padding:2px 10px;border-radius:10px;background:#eef2fa;color:#0B3D91;font-size:12px}
.zt-blog-meta a{color:#2563eb;text-decoration:none;font-weight:600}
.zt-blog-meta a:hover{text-decoration:underline}
/* 分页 */
.zt-pager{display:flex;justify-content:space-between;align-items:center;margin-top:22px;padding:0 4px;font-size:14px;color:#5b6b82}
.zt-pager a{display:inline-block;padding:8px 18px;border:1px solid #dbe4f0;border-radius:8px;color:#0B3D91;text-decoration:none;background:#fff;transition:.2s}
.zt-pager a:hover{background:#f2f6fc;border-color:#2563eb}
/* 博客文章页 */
.zt-post{background:#fff;border:1px solid #dbe4f0;border-radius:12px;padding:30px 34px;box-shadow:0 2px 10px rgba(10,46,110,.04)}
.zt-post-cat{display:inline-block;padding:3px 12px;border-radius:12px;background:linear-gradient(135deg,#0B3D91,#1a56db);color:#fff;font-size:12px;margin-bottom:12px}
.zt-post h1.zt-post-h1{font-size:26px;font-weight:700;color:#0a2e6e;line-height:1.5;margin:0 0 14px}
.zt-post-info{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:#9aa7b8;padding-bottom:18px;border-bottom:1px solid #dbe4f0;margin-bottom:22px}
.zt-post-info b{color:#0B3D91;font-weight:600}
.zt-post-body{font-size:16px;line-height:2;color:#33415c}
.zt-post-body h2{font-size:21px;font-weight:700;color:#0B3D91;margin:32px 0 14px;padding-left:12px;border-left:4px solid #2563eb;line-height:1.5}
.zt-post-body h3{font-size:17px;font-weight:700;color:#33415c;margin:22px 0 10px}
.zt-post-body p{margin:0 0 16px;text-align:justify}
.zt-post-body b{color:#0B3D91}
.zt-post-body blockquote{margin:20px 0;padding:14px 18px;border-left:4px solid #2563eb;background:#f7fafd;border-radius:0 8px 8px 0;color:#33415c;font-size:15px}
.zt-post-body ul,.zt-post-body ol{margin:0 0 16px;padding-left:24px}
.zt-post-body li{margin-bottom:8px}
.zt-post-tags{display:flex;gap:8px;flex-wrap:wrap;padding:18px 0 0;border-top:1px dashed #dbe4f0;margin-top:26px}
.zt-post-tags span{display:inline-block;padding:4px 14px;border-radius:14px;background:#eef2fa;color:#0B3D91;font-size:12px}
.zt-post-pager{display:flex;justify-content:space-between;gap:16px;margin-top:26px;padding:16px 0;border-top:1px solid #dbe4f0;border-bottom:1px solid #dbe4f0;font-size:14px}
.zt-post-pager a{color:#0B3D91;text-decoration:none;max-width:45%}
.zt-post-pager a:hover{text-decoration:underline}
.zt-post-pager a span{display:block;font-size:12px;color:#9aa7b8;margin-bottom:4px}
.zt-post-rel{margin-top:30px}
.zt-post-rel h3{font-size:18px;color:#0a2e6e;margin-bottom:16px;padding-left:12px;border-left:4px solid #2563eb}
.zt-rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.zt-rel-card{border:1px solid #dbe4f0;border-radius:10px;padding:16px;background:#fff;transition:.2s;display:block;text-decoration:none}
.zt-rel-card:hover{border-color:#2563eb;box-shadow:0 4px 14px rgba(10,46,110,.08)}
.zt-rel-card div{font-size:14px;font-weight:600;color:#0a2e6e;line-height:1.6;margin-bottom:8px}
.zt-rel-card span{font-size:12px;color:#9aa7b8}
/* 查重入口页场景分区 */
.zt-scene-block{margin-bottom:26px;border:1px solid #dbe4f0;border-radius:14px;background:#fff;overflow:hidden}
.zt-scene-head{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:linear-gradient(135deg,#f2f6fc,#eef2fa);border-bottom:1px solid #dbe4f0}
.zt-scene-head h3{font-size:18px;color:#0a2e6e;margin:0}
.zt-scene-head p{font-size:13px;color:#5b6b82;margin:4px 0 0}
.zt-scene-head .zt-scene-tag{flex-shrink:0;padding:4px 14px;border-radius:14px;background:#fff;border:1px solid #2563eb;color:#0B3D91;font-size:12px}
.zt-scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:20px 24px}
@media(max-width:992px){.zt-blog{grid-template-columns:1fr}.zt-blog-aside{display:none}}
@media(max-width:768px){.zt-post{padding:20px 16px}.zt-rel-grid{grid-template-columns:1fr}.zt-scene-grid{grid-template-columns:1fr}.zt-post-pager{flex-direction:column}}

/* ===== 内容页 gyreye 风格增强 ===== */
.zt-post{max-width:780px}
.zt-post-cat{display:inline-block;padding:3px 14px;border-radius:4px;background:#0B3D91;color:#fff;font-size:13px;margin-bottom:14px}
.zt-post h1.zt-post-h1{font-size:24px;font-weight:700;color:#0a2e6e;line-height:1.5;margin:0 0 10px}
.zt-post-info{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:#8a97a8;padding-bottom:14px;border-bottom:1px solid #eef2fa;margin-bottom:20px}
.zt-post-info b{color:#0B3D91;font-weight:600}
.zt-post-info .info-cat{color:#0B3D91}
.zt-post-body{font-size:15px;line-height:1.95;color:#3a4657}
.zt-post-body h2{font-size:20px;font-weight:700;color:#0B3D91;margin:30px 0 12px;padding-left:10px;border-left:4px solid #2563eb;line-height:1.5}
.zt-post-body h3{font-size:16px;font-weight:700;color:#33415c;margin:20px 0 8px}
.zt-post-body p{margin:0 0 14px;text-align:justify}
.zt-post-body b{color:#0B3D91}
.zt-post-body strong{color:#c0392b}
.zt-demo{margin:12px 0 16px;padding:12px 16px;background:#fdf6f6;border:1px solid #f0dada;border-left:4px solid #e05252;border-radius:6px;font-size:14px;line-height:1.8}
.zt-demo .lab{display:block;font-weight:700;color:#c0392b;margin-bottom:4px}
.zt-demo .lab2{display:block;font-weight:700;color:#0B7a4b;margin-bottom:4px}
.zt-demo .demo-red{color:#c0392b}
.zt-demo .demo-ok{color:#0B7a4b}
.zt-tip{margin:14px 0;padding:12px 16px;background:#eef7f2;border:1px solid #cfe7da;border-left:4px solid #2e9a77;border-radius:6px;font-size:14px;line-height:1.8;color:#2c4a3c}
.zt-post-tags{display:flex;gap:8px;flex-wrap:wrap;padding:16px 0 0;border-top:1px dashed #e4ebf4;margin-top:24px}
.zt-post-tags span{display:inline-block;padding:3px 12px;border-radius:4px;background:#eef2fa;color:#0B3D91;font-size:12px}
.zt-post-views{margin:14px 0;font-size:13px;color:#8a97a8}
.zt-post-views b{color:#0B3D91}
.zt-post-pager{display:flex;justify-content:space-between;gap:16px;margin-top:22px;padding:14px 0;border-top:1px solid #eef2fa;border-bottom:1px solid #eef2fa;font-size:13px}
.zt-post-pager a{color:#0B3D91;text-decoration:none;max-width:46%;line-height:1.6}
.zt-post-pager a:hover{text-decoration:underline}
.zt-post-pager a span{display:block;font-size:12px;color:#8a97a8;margin-bottom:2px}
/* 相关推荐列表（gyreye 右侧样式） */
.zt-rel-list{padding:6px 0}
.zt-rel-list a{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:9px 16px;border-bottom:1px dashed #eef2fa;color:#33415c;font-size:13px;text-decoration:none;transition:.15s}
.zt-rel-list a:hover{color:#0B3D91;background:#f7fafd}
.zt-rel-list a:last-child{border-bottom:none}
.zt-rel-list a i{font-style:normal;color:#9aa7b8;font-size:11px}
/* 列表页 gyreye 风格条目 */
.zt-post-item{display:flex;justify-content:space-between;gap:14px;padding:18px 0;border-bottom:1px dashed #e4ebf4}
.zt-post-item:last-child{border-bottom:none}
.zt-post-item-main{min-width:0}
.zt-post-item-main h2{font-size:17px;font-weight:700;margin:0 0 6px;line-height:1.5}
.zt-post-item-main h2 a{color:#0a2e6e;text-decoration:none}
.zt-post-item-main h2 a:hover{color:#0B3D91}
.zt-post-item-main p{font-size:13px;color:#6b7a90;line-height:1.8;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.zt-post-item-main .zt-post-links{margin:4px 0 0;font-size:12px}
.zt-post-item-main .zt-post-links a{color:#2563eb;text-decoration:none;margin-right:10px}
.zt-post-item-main .zt-post-links a:hover{text-decoration:underline}
.zt-post-item-time{flex-shrink:0;text-align:right;font-size:12px;color:#9aa7b8;line-height:1.6}
.zt-post-item-time b{display:block;font-size:13px;color:#0B3D91}
/* 分页 gyreye 风格 */
.zt-pager{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:24px}
.zt-pager a,.zt-pager span{display:inline-block;min-width:34px;height:34px;line-height:34px;padding:0 12px;border:1px solid #dbe4f0;border-radius:4px;color:#33415c;font-size:13px;text-align:center;text-decoration:none;background:#fff;transition:.15s}
.zt-pager a:hover{border-color:#2563eb;color:#0B3D91}
.zt-pager .cur{background:#0B3D91;color:#fff;border-color:#0B3D91;font-weight:700}
.zt-pager .gap{border:none;min-width:auto}
/* 列表页顶部栏目导航 */
.zt-list-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.zt-list-nav a{padding:6px 16px;border:1px solid #dbe4f0;border-radius:4px;color:#33415c;font-size:13px;text-decoration:none;background:#fff;transition:.15s}
.zt-list-nav a:hover,.zt-list-nav a.cur{background:#0B3D91;color:#fff;border-color:#0B3D91}
@media(max-width:768px){.zt-post-item-time{display:none}}

/* ===== 内容页/列表页 顶部修复（header absolute 不占流，实底深蓝导航） ===== */
body.zt-page 
.zt-breadcrumb{margin-top:112px}
@media(max-width:768px){.zt-breadcrumb{margin-top:18px}}

/* ===== 知识专栏栏目页（freedetect 参考） ===== */
.zt-cat-hero{position:relative;background:linear-gradient(135deg,#0B3D91 0%,#0a2e6e 60%,#123a8a 100%) url(../../images/hero-check-bg.jpg) center/cover no-repeat;color:#fff;padding:96px 20px 76px}
.zt-cat-hero .zt-hero-inner{max-width:1180px;margin:0 auto;text-align:center}
.zt-cat-hero .zt-hero-title{font-size:34px;font-weight:700;margin-bottom:14px;letter-spacing:1px}
.zt-cat-hero .zt-hero-badge{display:inline-block;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.55);border-radius:18px;padding:3px 16px;font-size:14px;font-weight:400;vertical-align:middle;margin-left:8px}
.zt-cat-hero .zt-hero-desc-lg{font-size:16px;line-height:1.9;opacity:.95;max-width:900px;margin:0 auto 26px}
.zt-cat-body{background:#f4f7fc;padding:34px 20px 48px}
.zt-cat-wrap{max-width:1180px;margin:0 auto}
.zt-cat-nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.zt-cat-nav-item{padding:9px 20px;border:1px solid #dbe4f0;border-radius:6px;background:#fff;color:#33415c;font-size:14px;text-decoration:none;transition:.15s;font-weight:500}
.zt-cat-nav-item:hover{border-color:#2563eb;color:#0B3D91}
.zt-cat-nav-item.cur{background:#0B3D91;border-color:#0B3D91;color:#fff;font-weight:600}
.zt-cat-intro{background:linear-gradient(135deg,#e8effc,#f2f6fc);border:1px solid #d5e2f6;border-left:4px solid #0B3D91;border-radius:8px;padding:14px 20px;margin-bottom:30px;font-size:14px;line-height:1.8;color:#33415c}
.zt-cat-intro b{color:#0B3D91}
.zt-sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:38px}
.zt-sys-card{background:#fff;border:1px solid #e4ebf4;border-radius:10px;padding:22px 20px 18px;display:flex;flex-direction:column;transition:.18s;box-shadow:0 2px 8px rgba(11,61,145,.04)}
.zt-sys-card:hover{box-shadow:0 8px 22px rgba(11,61,145,.10);transform:translateY(-2px);border-color:#c9d9f2}
.zt-sys-name{font-size:17px;font-weight:700;color:#0a2e6e;margin-bottom:8px;position:relative;padding-left:14px}
.zt-sys-name:before{content:"";position:absolute;left:0;top:6px;width:5px;height:16px;border-radius:2px;background:linear-gradient(180deg,#2563eb,#0B3D91)}
.zt-sys-desc{font-size:13px;color:#5b6b82;line-height:1.8;margin:0 0 14px;min-height:44px}
.zt-sys-points{list-style:none;margin:0 0 16px;padding:12px 14px;background:#f4f7fc;border-radius:6px}
.zt-sys-points li{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:#6b7a90;line-height:1.7;padding:3px 0}
.zt-sys-points li b{color:#0B3D91;font-weight:600;flex-shrink:0}
.zt-sys-points li span{text-align:right;color:#33415c}
.zt-sys-btn{display:inline-block;margin-top:auto;padding:9px 18px;border-radius:6px;background:linear-gradient(135deg,#0B3D91,#1a56db);color:#fff;font-size:13px;font-weight:600;text-decoration:none;text-align:center;transition:.15s}
.zt-sys-btn:hover{opacity:.92}
.zt-faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:38px}
.zt-faq-item{background:#fff;border:1px solid #e4ebf4;border-radius:8px;padding:16px 18px;transition:.15s}
.zt-faq-item:hover{border-color:#c9d9f2}
.zt-faq-q{font-size:14px;font-weight:700;color:#0a2e6e;margin-bottom:6px;line-height:1.6}
.zt-faq-a{font-size:13px;color:#5b6b82;line-height:1.8}
.zt-article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:10px}
.zt-article-card{background:#fff;border:1px solid #e4ebf4;border-radius:10px;padding:18px;text-decoration:none;display:flex;flex-direction:column;transition:.18s;box-shadow:0 2px 8px rgba(11,61,145,.04)}
.zt-article-card:hover{box-shadow:0 8px 22px rgba(11,61,145,.10);transform:translateY(-2px);border-color:#c9d9f2}
.zt-article-date{font-size:12px;color:#9aa7b8;margin-bottom:8px}
.zt-article-title{font-size:15px;font-weight:700;color:#0a2e6e;line-height:1.6;margin-bottom:8px}
.zt-article-desc{font-size:13px;color:#5b6b82;line-height:1.8;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.zt-article-more{font-size:13px;color:#2563eb;font-weight:600;margin-top:auto}
@media(max-width:992px){.zt-sys-grid,.zt-article-grid{grid-template-columns:1fr 1fr}.zt-faq-list{grid-template-columns:1fr}}
@media(max-width:640px){.zt-sys-grid,.zt-article-grid,.zt-faq-list{grid-template-columns:1fr}}

/* ===== 导航栏目页（freedetect 参考） ===== */
.sys-hero{position:relative;background:linear-gradient(135deg,#0B3D91 0%,#0a2e6e 55%,#1a4ea8 100%) url(../images/hero-check-bg.jpg) center/cover no-repeat;color:#fff;padding:92px 20px 70px}
.sys-hero-inner{max-width:1180px;margin:0 auto;text-align:center}
.sys-hero-badge{display:inline-block;background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;border-radius:4px;padding:4px 16px;font-size:13px;font-weight:600;margin-bottom:18px;letter-spacing:1px}
.sys-hero-title{font-size:36px;font-weight:700;margin-bottom:14px;letter-spacing:1px}
.sys-hero-desc{font-size:16px;line-height:1.9;opacity:.95;max-width:880px;margin:0 auto 28px}
.sys-hero-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.sys-btn-primary{display:inline-block;background:linear-gradient(135deg,#0B3D91,#1a56db);color:#fff;font-size:16px;font-weight:700;padding:13px 44px;border-radius:30px;text-decoration:none;box-shadow:0 8px 22px rgba(11,61,145,.35);transition:.15s;border:1px solid rgba(255,255,255,.2)}
.sys-btn-primary:hover{opacity:.92}
.sys-btn-ghost{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.6);color:#fff;font-size:16px;font-weight:600;padding:13px 36px;border-radius:30px;text-decoration:none;transition:.15s}
.sys-btn-ghost:hover{background:rgba(255,255,255,.24)}
.sys-body{background:#f4f7fc;padding:30px 20px 44px}
.sys-wrap{max-width:1180px;margin:0 auto}
.sys-tabs{}
.sys-tab-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.sys-tab{padding:10px 22px;border:1px solid #dbe4f0;border-radius:6px;background:#fff;color:#33415c;font-size:14px;font-weight:600;cursor:pointer;transition:.15s}
.sys-tab:hover{border-color:#2563eb;color:#0B3D91}
.sys-tab.active{background:#0B3D91;border-color:#0B3D91;color:#fff;box-shadow:0 4px 12px rgba(11,61,145,.25)}
.sys-panel{display:none;background:#fff;border:1px solid #e4ebf4;border-radius:12px;padding:26px 28px;box-shadow:0 4px 16px rgba(11,61,145,.06)}
.sys-panel.active{display:block}
.sys-panel-head{display:flex;gap:18px;align-items:flex-start;margin-bottom:18px}
.sys-panel-brand{flex-shrink:0;width:120px;height:120px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#fff;text-align:center;line-height:1.4;background:linear-gradient(135deg,#0B3D91,#2563eb);letter-spacing:1px;padding:8px;box-sizing:border-box}
.sys-panel-intro h3{font-size:22px;font-weight:700;color:#0a2e6e;margin:0 0 8px}
.sys-panel-intro p{font-size:14px;color:#5b6b82;line-height:1.9;margin:0}
.sys-params{display:grid;grid-template-columns:1fr 1fr;gap:10px 26px;background:#f7f9fd;border:1px solid #eaf0fa;border-radius:10px;padding:16px 20px;margin-bottom:14px}
.sys-param{display:flex;gap:10px;font-size:13px;line-height:1.7;padding:5px 0}
.sys-param b{color:#0B3D91;font-weight:700;flex-shrink:0;min-width:64px}
.sys-param span{color:#33415c}
.sys-types{display:flex;gap:10px;align-items:baseline;font-size:13px;margin-bottom:18px;flex-wrap:wrap}
.sys-types b{color:#0B3D91;font-weight:700;flex-shrink:0}
.sys-types span{color:#33415c}
.sys-panel-actions{display:flex;gap:14px;align-items:center}
.sys-panel-actions .sys-btn-primary{font-size:14px;padding:11px 32px}
.sys-panel-actions .sys-btn-ghost{font-size:14px;padding:11px 26px;color:#0B3D91;border-color:#c9d9f2;background:#fff}
.sys-trust{background:linear-gradient(135deg,#0a2e6e,#0B3D91);color:#fff;padding:38px 20px;text-align:center}
.sys-trust h2,.sys-steps h2,.sys-advs h2,.sys-evals h2,.sys-faqs h2,.sys-cta h2{font-size:26px;font-weight:700;margin:0 0 10px}
.sys-trust p,.sys-steps>div>p,.sys-advs>div>p,.sys-evals>div>p,.sys-faqs>div>p,.sys-cta>div>p{font-size:14px;line-height:1.8;opacity:.9;margin:0 auto 24px;max-width:760px}
.sys-trust-items{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.sys-trust-items span{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.4);border-radius:6px;padding:8px 26px;font-size:15px;font-weight:600}
.sys-steps{background:#fff;padding:44px 20px}
.sys-step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sys-step{background:#f4f7fc;border:1px solid #e4ebf4;border-radius:10px;padding:22px 20px;text-align:center}
.sys-step-num{width:46px;height:46px;line-height:46px;border-radius:50%;background:linear-gradient(135deg,#0B3D91,#2563eb);color:#fff;font-size:18px;font-weight:700;margin:0 auto 12px}
.sys-step-t{font-size:16px;font-weight:700;color:#0a2e6e;margin-bottom:8px}
.sys-step p{font-size:13px;color:#5b6b82;line-height:1.8;margin:0;text-align:left}
.sys-advs{background:#f4f7fc;padding:44px 20px}
.sys-adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sys-adv{background:#fff;border:1px solid #e4ebf4;border-radius:10px;padding:22px 20px;text-align:center;box-shadow:0 2px 8px rgba(11,61,145,.04)}
.sys-adv-t{font-size:17px;font-weight:700;color:#0B3D91;margin-bottom:8px}
.sys-adv-d1{font-size:14px;font-weight:600;color:#33415c;margin-bottom:4px}
.sys-adv-d2{font-size:13px;color:#8a97a8}
.sys-evals{background:#fff;padding:44px 20px}
.sys-eval-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sys-eval{background:#f7f9fd;border:1px solid #eaf0fa;border-radius:10px;padding:22px}
.sys-eval-name{font-size:15px;font-weight:700;color:#0a2e6e;margin-bottom:4px}
.sys-eval-star{color:#f59e0b;font-size:15px;margin-bottom:10px;letter-spacing:2px}
.sys-eval p{font-size:13px;color:#5b6b82;line-height:1.9;margin:0}
.sys-faqs{background:#f4f7fc;padding:44px 20px}
.sys-faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.sys-faq{background:#fff;border:1px solid #e4ebf4;border-radius:8px;padding:16px 18px}
.sys-faq-q{font-size:14px;font-weight:700;color:#0a2e6e;margin-bottom:6px;line-height:1.6}
.sys-faq-a{font-size:13px;color:#5b6b82;line-height:1.8}
.sys-cta{background:linear-gradient(135deg,#0B3D91,#0a2e6e);color:#fff;padding:52px 20px;text-align:center}
.sys-cta p{opacity:.92;max-width:840px}
@media(max-width:992px){.sys-step-grid,.sys-adv-grid{grid-template-columns:1fr 1fr}.sys-eval-grid{grid-template-columns:1fr}.sys-faq-grid{grid-template-columns:1fr}.sys-params{grid-template-columns:1fr}}
@media(max-width:640px){.sys-step-grid,.sys-adv-grid{grid-template-columns:1fr}.sys-panel-head{flex-direction:column}.sys-panel-brand{width:100%;height:70px}}

/* ===== 导航栏目页（zzcheck 简单卡片风格） ===== */
.zzn-body{background:#f4f7fc;padding:36px 20px 48px}
.zzn-wrap{max-width:1180px;margin:0 auto}
.zzn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.zzn-card{background:#fff;border:1px solid #e4ebf4;border-radius:12px;padding:22px 20px;display:flex;flex-direction:column;box-shadow:0 2px 8px rgba(11,61,145,.04);transition:.18s}
.zzn-card:hover{box-shadow:0 8px 22px rgba(11,61,145,.10);transform:translateY(-2px);border-color:#c9d9f2}
.zzn-card-head{display:flex;gap:14px;align-items:center;margin-bottom:10px}
.zzn-logo{flex-shrink:0;width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,#0B3D91,#2563eb);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;letter-spacing:1px}
.zzn-card h3{font-size:16px;font-weight:700;color:#0a2e6e;line-height:1.5;margin:0}
.zzn-card-desc{font-size:13px;color:#5b6b82;line-height:1.8;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:64px}
.zzn-meta{font-size:12px;color:#6b7a90;line-height:1.8;background:#f4f7fc;border-radius:6px;padding:10px 12px;margin-bottom:14px}
.zzn-meta b{color:#0B3D91;font-weight:600}
.zzn-btn{display:inline-block;margin-top:auto;padding:9px 18px;border-radius:6px;background:linear-gradient(135deg,#0B3D91,#1a56db);color:#fff;font-size:13px;font-weight:600;text-decoration:none;text-align:center;transition:.15s}
.zzn-btn:hover{opacity:.92}
.zzn-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:30px 0 8px}
.zzn-step{background:#fff;border:1px solid #e4ebf4;border-radius:10px;padding:16px;text-align:center}
.zzn-step b{display:block;font-size:14px;font-weight:700;color:#0B3D91;margin-bottom:6px}
.zzn-step span{font-size:12px;color:#5b6b82;line-height:1.7}
.zzn-faq{margin-top:8px}
.zzn-faq-item{background:#fff;border:1px solid #e4ebf4;border-radius:8px;padding:14px 18px;margin-bottom:12px}
.zzn-faq-item b{display:block;font-size:14px;color:#0a2e6e;margin-bottom:6px}
.zzn-faq-item span{font-size:13px;color:#5b6b82;line-height:1.8}
@media(max-width:992px){.zzn-grid{grid-template-columns:1fr 1fr}.zzn-steps{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.zzn-grid,.zzn-steps{grid-template-columns:1fr}}


/* ========== 文章列表页 : css/zt-blog.css ========== */
/* ============================================================
   毕业在线网 · 文章列表页 / 文章内容页 专用样式
   基于主页（index.html）蓝白色系，正规大气，兼顾 SEO 语义化
   ============================================================ */

/* ===== 顶部标题区（深蓝渐变 + 底图，承接悬浮导航） ===== */
.zt-list-hero{
  background:linear-gradient(135deg, rgba(255 255 255 / 88%) 0%, rgba(84 145 255 / 92%) 55%, rgba(255 255 255 / 88%) 100%),url("../images/hero-check-bg.jpg") center/cover no-repeat;
  color:#fff;text-align:center;padding:150px 20px 52px;}
.zt-list-hero .zt-hero-title{font-size:34px;font-weight:700;letter-spacing:1px;margin-bottom:14px}
.zt-list-hero .zt-hero-title span{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.5);border-radius:18px;padding:2px 14px;font-size:13px;font-weight:400;vertical-align:middle;margin-left:6px}
.zt-list-hero .zt-hero-desc{font-size:15px;line-height:1.9;opacity:.94;max-width:820px;margin:0 auto}

/* ===== 搜索框 ===== */
.zt-search{max-width:600px;margin:26px auto 0;position:relative}
.zt-search input{
  width:100%;padding:13px 52px 13px 20px;border:1px solid rgba(255,255,255,.35);border-radius:26px;
  font-size:14px;color:#333;background:rgba(255,255,255,.97);outline:none;transition:.25s;box-shadow:0 6px 20px rgba(10,46,110,.18);
}
.zt-search input:focus{border-color:#7fb0ff;box-shadow:0 0 0 3px rgba(127,176,255,.35)}
.zt-search input::placeholder{color:#9aa7b8}
.zt-search .zt-search-icon{
  position:absolute;right:17px;top:50%;transform:translateY(-50%);width:20px;height:20px;pointer-events:none;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='none' stroke='%230B3D91' stroke-width='2' stroke-linecap='round' d='M8.8 15.6a6.8 6.8 0 1 1 0-13.6 6.8 6.8 0 0 1 0 13.6zM18 18l-4.6-4.6'/%3E%3C/svg%3E") no-repeat center/contain;
}

/* ===== 内容区顶部信息条（白色卡片） ===== */
.zt-crumb{
  display:flex;align-items:center;gap:8px;background:#fff;border:1px solid #dbe4f0;border-radius:8px;
  padding:10px 16px;font-size:13px;color:#5b6b82;margin-bottom:18px;box-shadow:0 2px 8px rgba(10,46,110,.04);
}
.zt-crumb a{color:#2563eb;text-decoration:none}
.zt-crumb a:hover{text-decoration:underline}
.zt-crumb i{font-style:normal;color:#c3cfe0}
.zt-crumb span{color:#33415c}
.zt-list-total{font-size:13px;color:#5b6b82;margin:0 0 14px;padding-left:2px}
.zt-list-total b{color:#0B3D91;font-size:16px}

/* ===== 列表条目（卡片式） ===== */
.zt-list-item{
  position:relative;display:flex;gap:16px;padding:20px 18px;border-bottom:1px dashed #e4ebf4;
  transition:background .2s,box-shadow .2s;
}
.zt-list-item:last-child{border-bottom:none}
.zt-list-item:hover{background:#f7fafd}
.zt-list-date{
  flex-shrink:0;width:66px;height:66px;border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#f2f6fc,#e6edf9);border:1px solid #dbe4f0;color:#0B3D91;text-decoration:none;transition:.2s;
}
.zt-list-date b{font-size:22px;line-height:1.15;font-weight:700}
.zt-list-date span{font-size:11px;color:#5b6b82;margin-top:2px}
.zt-list-item:hover .zt-list-date{border-color:#2563eb;background:linear-gradient(135deg,#0B3D91,#1a56db);color:#fff}
.zt-list-item:hover .zt-list-date span{color:rgba(255,255,255,.75)}
.zt-list-main{min-width:0;flex:1}
.zt-list-main h2{font-size:17px;font-weight:700;margin:0 0 7px;line-height:1.55}
.zt-list-main h2 a{color:#0a2e6e;text-decoration:none;transition:.2s}
.zt-list-main h2 a:hover{color:#0B3D91}
.zt-list-main p{font-size:13px;color:#6b7a90;line-height:1.85;margin:0 0 9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-align:justify}
.zt-list-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:12px;color:#9aa7b8}
.zt-list-meta .tag{
  display:inline-block;padding:2px 10px;border-radius:4px;background:#eef2fa;color:#0B3D91;font-size:12px;text-decoration:none;
}
.zt-list-meta .tag:hover{background:#0B3D91;color:#fff}
.zt-list-meta .views{color:#0B3D91;font-weight:600}

/* ===== 空结果提示 ===== */
.zt-list-empty{display:none;text-align:center;padding:46px 20px;color:#9aa7b8;font-size:14px}
.zt-list-empty.show{display:block}

/* ===== 分页 ===== */
.zt-pager{margin-top:26px}
.zt-pager .info{font-size:12px;color:#9aa7b8;margin-right:12px}

/* ===== 内容页顶部（深蓝 hero，面包屑 + 标题 + 元信息） ===== */
.zt-post-hero{
  background:linear-gradient(135deg, rgba(255 255 255 / 90%) 0%, rgba(58 129 255 / 94%) 60%, rgba(255 255 255 / 90%) 100%),url("../images/hero-check-bg.jpg") center/cover no-repeat;
  color:#fff;padding:132px 20px 40px;text-align:center;}
.zt-post-hero .zt-crumb{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);box-shadow:none;
  display:inline-flex;margin:0 0 18px;padding:6px 16px;border-radius:18px;
}
.zt-post-hero .zt-crumb a{color:#e6eeff}
.zt-post-hero .zt-crumb span{color:#fff}
.zt-post-hero .zt-crumb i{color:rgba(255,255,255,.55)}
.zt-post-hero h1{font-size:28px;font-weight:700;line-height:1.55;margin:0 auto 14px;max-width:900px}
.zt-post-hero .zt-post-hero-meta{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.82)}
.zt-post-hero .zt-post-hero-meta .cat{display:inline-block;padding:3px 14px;border-radius:14px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.45);color:#fff;font-size:12px;text-decoration:none}

/* ===== 正文内表格（对比表） ===== */
.zt-table{width:100%;border-collapse:collapse;margin:16px 0 22px;font-size:14px;box-shadow:0 2px 10px rgba(10,46,110,.06)}
.zt-table th{background:linear-gradient(135deg,#0B3D91,#1a56db);color:#fff;padding:11px 13px;text-align:left;font-weight:600;line-height:1.6}
.zt-table td{padding:10px 13px;border:1px solid #dbe4f0;color:#33415c;line-height:1.75;vertical-align:top}
.zt-table tr:nth-child(even) td{background:#f7fafd}
.zt-table td b{color:#0B3D91}
@media(max-width:640px){.zt-table{font-size:13px}.zt-table th,.zt-table td{padding:8px 9px}}

/* ===== 正文要点列表 ===== */
.zt-post-body ul.zt-ul{margin:0 0 16px;padding:0;list-style:none}
.zt-post-body ul.zt-ul li{position:relative;padding-left:22px;margin-bottom:9px;line-height:1.85}
.zt-post-body ul.zt-ul li::before{
  content:"";position:absolute;left:2px;top:10px;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,#0B3D91,#2563eb);
}
.zt-post-body .zt-tip{margin:18px 0;padding:14px 18px;background:#eef7f2;border:1px solid #cfe7da;border-left:4px solid #2e9a77;border-radius:6px;font-size:14px;line-height:1.85;color:#2c4a3c}
.zt-post-body .zt-warn{margin:18px 0;padding:14px 18px;background:#fdf6f0;border:1px solid #f0dfc9;border-left:4px solid #e08a2e;border-radius:6px;font-size:14px;line-height:1.85;color:#6b4a20}
.zt-post-body .zt-qa{margin:14px 0;padding:14px 18px;background:#f2f6fc;border:1px solid #dbe4f0;border-radius:8px}
.zt-post-body .zt-qa b{color:#0B3D91;display:block;margin-bottom:6px}

/* ===== 文章目录（侧栏） ===== */
.zt-toc{padding:8px 0;max-height:420px;overflow:auto}
.zt-toc a{
  display:block;padding:8px 18px;color:#33415c;font-size:13px;text-decoration:none;line-height:1.6;
  border-left:2px solid transparent;transition:.15s;
}
.zt-toc a[data-lv="3"]{padding-left:34px;font-size:12px;color:#6b7a90}
.zt-toc a:hover{color:#0B3D91;background:#f7fafd;border-left-color:#2563eb}
.zt-toc .zt-toc-empty{display:block;padding:10px 18px;color:#9aa7b8;font-size:13px}

/* ===== 顶部阅读进度条 ===== */
.zt-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:100;
  background:linear-gradient(90deg,#2563eb,#52C59B);border-radius:0 2px 2px 0;transition:width .1s linear;
}

/* ===== 上一篇/下一篇 ===== */
.zt-post-pager .prev{color:#9aa7b8}
.zt-post-pager .prev:hover{text-decoration:none}

/* ===== 相关推荐标题 ===== */
.zt-post-rel{margin-top:30px}
.zt-post-rel h3{font-size:18px;color:#0a2e6e;margin-bottom:16px;padding-left:12px;border-left:4px solid #2563eb}

/* ===== 响应式 ===== */
@media(max-width:992px){
  .zt-list-hero{padding:130px 16px 40px}
  .zt-post-hero{padding:116px 16px 32px}
  .zt-list-hero .zt-hero-title{font-size:26px}
  .zt-post-hero h1{font-size:22px}
}
@media(max-width:768px){
  .zt-list-date{width:54px;height:54px}
  .zt-list-date b{font-size:18px}
  .zt-list-item{gap:12px;padding:16px 12px}
  .zt-list-main h2{font-size:15px}
  .zt-list-meta{gap:10px}
}


/* ========== 专题页覆盖层 : css/zhuanti-new.css ========== */
/* ============================================================
   毕业在线网 · 栏目页平台风 v5
   参考：维普论文检测系统 VPCS 官方平台界面
   —— 深色品牌顶栏 + 平台 tab + 产品选择卡（图标/名称/适用/价格）
   原则：大气克制、白底浅灰、蓝色强调、红色价格；仅覆盖 zhuanti.css
        中需要平台化的组件，所有规则加 .zt-page 前缀
   ============================================================ */

/* ==================== 1. 头部：与主页一致的浅色简约导航 ==================== */
.zt-page .header-box {
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  height: 80px;
  padding: 0 130px;
  color: #4f4b53;
  background: linear-gradient(180deg, #f0f4fd 0%, #ffffff 100%);
  border-bottom: 1px solid #e5e9f0;
  box-shadow: none;
}
.zt-page .header-left { gap: 138px; }
.zt-page .header-box .logo {
  height: 52px;
  width: auto;
  filter: none;
}
.zt-page .menus .menu {
  color: #4f4b53;
  font-size: 21px;
  font-weight: 400;
  padding: 10px 16px;
  border-radius: 19px;
}
.zt-page .menus .menu:hover,
.zt-page .menus .menu.active,
.zt-page .menus .menu.menu-cur {
  background: rgba(214, 226, 245, 0.35);
  color: #0B3D91;
}
.zt-page .header-right .platform-link {
  color: #680dc3;
  border: none;
  border-radius: 5px;
  padding: 4px 10px;
}
.zt-page .header-right .platform-link:hover {
  background: rgba(214, 226, 245, 0.35);
  color: #680dc3;
}
.zt-page .header-right .person-link {
  border: 1px solid #c9d9f2;
  border-radius: 16px;
  color: #0B3D91;
}
.zt-page .nav-toggle span { background: #0B3D91; }

/* ==================== 2. 简洁平台头部（覆盖大 Hero） ==================== */
.zt-page .sys-hero,
.zt-page .sys-hero--green,
.zt-page .sys-hero--aiwrite,
.zt-page .sys-hero--purple {
  position: relative;
  background: #fff;
  color: #333;
  padding: 56px 20px 40px;
}
.zt-page .sys-hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  text-align: left;
}
.zt-page .sys-hero-badge {
  display: inline-block;
  background: #eef4ff;
  border: 1px solid #d5e4fb;
  color: #2a6fc9;
  border-radius: 20px;
  padding: 5px 16px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0;
}
.zt-page .sys-hero-title {
  font-size: 30px;
  font-weight: 700;
  color: #0B3D91;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.zt-page .sys-hero-desc {
  font-size: 15px;
  line-height: 1.9;
  color: #5b6b82;
  max-width: 920px;
  margin: 0 0 24px;
}
.zt-page .sys-hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.zt-page .sys-btn-primary {
  background: linear-gradient(135deg, #0B3D91, #2563eb);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 38px;
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(15, 43, 123, 0.28);
}
.zt-page .sys-btn-primary:hover { opacity: 0.92; }
.zt-page .sys-btn-ghost {
  background: #fff;
  border: 1px solid #c9d9f2;
  color: #0B3D91;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 30px;
  border-radius: 8px;
}
.zt-page .sys-btn-ghost:hover { background: #f4f8fd; }

/* ==================== 3. Hero 数据条（浅蓝胶囊） ==================== */
.zt-page .zt-hero-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.zt-page .zt-stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  background: #f4f7fc;
  border: 1px solid #e2e9f5;
  border-radius: 8px;
  padding: 10px 22px;
}
.zt-page .zt-stat b { font-size: 20px; font-weight: 700; color: #0B3D91; line-height: 1; }
.zt-page .zt-stat span { font-size: 13px; color: #5b6b82; }

/* ==================== 4. 平台 tab 条 ==================== */
.zt-page .zt-tabs {
  max-width: 1180px;
  margin: -20px auto 0;
  padding: 0 44px;
  position: relative;
  z-index: 5;
}
.zt-page .zt-tabs-inner {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  background: #fff;
  border: 1px solid #e2e9f5;
  border-radius: 10px;
  padding: 8px;
  box-shadow: 0 6px 20px rgba(15, 43, 123, 0.08);
}
.zt-page .zt-tab {
  display: inline-block;
  padding: 9px 24px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 600;
  color: #33415c;
  text-decoration: none;
  transition: 0.15s;
}
.zt-page .zt-tab:hover { background: #eef4ff; color: #0B3D91; }
.zt-page .zt-tab.on {
  background: linear-gradient(135deg, #0B3D91, #1a4ea8);
  color: #fff;
  box-shadow: 0 4px 12px rgba(15, 43, 123, 0.25);
}

/* ==================== 5. 信任条（深蓝保留，紧凑） ==================== */
.zt-page .sys-trust {
  background: linear-gradient(135deg, #0a2e6e, #0B3D91);
  padding: 30px 20px;
}
.zt-page .sys-trust-items span {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 6px;
  padding: 7px 24px;
  font-size: 14px;
  font-weight: 600;
}

/* ==================== 6. 主体区与产品选择卡（核心） ==================== */
.zt-page .sys-body { background: #f5f7fa; padding: 34px 20px 46px; }

.zt-page .zt-crumb {
  max-width: 1180px;
  margin: 0 auto 20px;
  font-size: 13px;
  color: #8a97a8;
}
.zt-page .zt-crumb a { color: #0B3D91; text-decoration: none; }
.zt-page .zt-crumb a:hover { text-decoration: underline; }
.zt-page .zt-crumb i { font-style: normal; margin: 0 6px; color: #b9c4d4; }

.zt-page .zt-card,
.zt-page .zt-svc {
  background: #fff;
  border: 1px solid #e5e9f0;
  border-radius: 10px;
  padding: 26px 22px 22px;
  position: relative;
  transition: 0.2s;
  text-align: left;
}
.zt-page .zt-card:hover,
.zt-page .zt-svc:hover {
  border-color: #2563eb;
  box-shadow: 0 10px 26px rgba(15, 43, 123, 0.12);
  transform: translateY(-2px);
}
/* 右上角品牌图标 */
.zt-page .zt-card::before,
.zt-page .zt-svc::before {
  content: attr(data-logo);
  position: absolute;
  top: 22px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--lg1, #0B3D91), var(--lg2, #2563eb));
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.zt-page .zt-card-title,
.zt-page .zt-svc-name {
  font-size: 17px;
  font-weight: 600;
  color: #1a1a2e;
  margin-bottom: 4px;
  padding-right: 58px;
}
.zt-page .zt-card-price,
.zt-page .zt-svc-price {
  font-size: 19px;
  font-weight: 700;
  color: #e60000;
  margin-bottom: 8px;
}
.zt-page .zt-card-desc,
.zt-page .zt-svc-desc {
  font-size: 13px;
  color: #5b6b82;
  line-height: 1.8;
  margin-bottom: 14px;
}
.zt-page .zt-card-btn,
.zt-page .zt-svc-btn {
  display: inline-block;
  border: 1px solid #2563eb;
  color: #2563eb;
  background: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 26px;
  border-radius: 7px;
  text-decoration: none;
  transition: 0.15s;
}
.zt-page .zt-card-btn:hover,
.zt-page .zt-svc-btn:hover {
  background: #2563eb;
  color: #fff;
}
/* 服务卡标签 */
.zt-page .zt-svc-tag {
  display: inline-block;
  background: #f4f7fc;
  border: 1px solid #e2e9f5;
  color: #5b6b82;
  font-size: 12px;
  border-radius: 4px;
  padding: 2px 10px;
  margin-bottom: 10px;
}
.zt-page .zt-svc-pts { list-style: none; margin: 0 0 14px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.zt-page .zt-svc-pts li {
  background: #f4f7fc;
  border: 1px solid #e2e9f5;
  border-radius: 4px;
  font-size: 12px;
  color: #5b6b82;
  padding: 3px 10px;
}
/* 主题变体（绿色/紫色）按钮仍可被产品卡规则覆盖，补回差异色 */
.zt-page .zt-svc--green .zt-svc-btn { border-color: #0E8A5F; color: #0E8A5F; }
.zt-page .zt-svc--green .zt-svc-btn:hover { background: #0E8A5F; color: #fff; }
.zt-page .zt-svc--green .zt-svc-price { color: #e60000; }
.zt-page .zt-svc--purple .zt-svc-btn { border-color: #7A3FD0; color: #7A3FD0; }
.zt-page .zt-svc--purple .zt-svc-btn:hover { background: #7A3FD0; color: #fff; }
.zt-page .zt-svc--purple .zt-svc-price { color: #e60000; }

/* ==================== 7. 场景卡（entry） ==================== */
.zt-page .zt-scene-block {
  background: #fff;
  border: 1px solid #e5e9f0;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 26px;
}
.zt-page .zt-scene-head {
  background: linear-gradient(135deg, #f4f7fc, #fff);
  border-bottom: 1px solid #e5e9f0;
  padding: 18px 26px;
}
.zt-page .zt-scene-head h3 { font-size: 19px; color: #0B3D91; margin: 0; }
.zt-page .zt-scene-head p { font-size: 13px; color: #5b6b82; margin: 4px 0 0; }
.zt-page .zt-scene-tag {
  background: #fff;
  border: 1px solid #d5e4fb;
  color: #2a6fc9;
  font-size: 12px;
  border-radius: 14px;
  padding: 4px 14px;
}

/* ==================== 8. 一句话指南 ==================== */
.zt-page .zt-tip {
  max-width: 1180px;
  margin: 0 auto 26px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background: #eef2fa;
  border: 1px solid #dbe4f0;
  border-left: 4px solid #2563eb;
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: #33415c;
}
.zt-page .zt-tip::before {
  content: "一句话指南";
  flex-shrink: 0;
  background: #0B3D91;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border-radius: 4px;
  padding: 3px 10px;
}
.zt-page .zt-tip b { color: #0B3D91; }

/* ==================== 9. 六维评估卡（智评页） ==================== */
.zt-page .zt-six-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.zt-page .zt-six {
  background: #fff;
  border: 1px solid #e5e9f0;
  border-radius: 10px;
  padding: 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: 0.2s;
}
.zt-page .zt-six:hover { border-color: #9A6BE0; box-shadow: 0 10px 26px rgba(122, 63, 208, 0.12); }
.zt-page .zt-six-no {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0B3D91, #2563eb);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.zt-page .zt-six-name { font-size: 16px; font-weight: 600; color: #1a1a2e; margin-bottom: 5px; }
.zt-page .zt-six-desc { font-size: 13px; color: #5b6b82; line-height: 1.7; }

/* ==================== 10. 智评两栏 ==================== */
.zt-page .zt-split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 30px;
  align-items: start;
  max-width: 1180px;
  margin: 0 auto;
}
.zt-page .zt-split-title { font-size: 22px; font-weight: 700; color: #0B3D91; margin: 0 0 12px; }
.zt-page .zt-split-body p { font-size: 14px; color: #5b6b82; line-height: 1.9; margin: 0 0 12px; }
.zt-page .zt-split ul { list-style: none; padding: 0; margin: 0; }
.zt-page .zt-split ul li { font-size: 13px; color: #33415c; padding: 6px 0 6px 18px; position: relative; }
.zt-page .zt-split ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2563eb;
}

/* ==================== 11. 价格表（蓝头白底） ==================== */
.zt-page .zt-price-wrap {
  background: #fff;
  border: 1px solid #e5e9f0;
  border-radius: 12px;
  overflow-x: auto;
  box-shadow: 0 4px 16px rgba(15, 43, 123, 0.06);
  margin-top: 8px;
}
.zt-page .zt-table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 720px; }
.zt-page .zt-table thead th {
  background: linear-gradient(135deg, #0B3D91, #1a4ea8);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 13px 16px;
  text-align: left;
  white-space: nowrap;
}
.zt-page .zt-table thead th:first-child { border-top-left-radius: 12px; }
.zt-page .zt-table thead th:last-child { border-top-right-radius: 12px; }
.zt-page .zt-table tbody td { padding: 12px 16px; font-size: 14px; color: #5b6b82; border-bottom: 1px solid #eef2fa; }
.zt-page .zt-table tbody tr:hover { background: #f4f8fd; }
.zt-page .zt-table tbody tr:last-child td { border-bottom: none; }
.zt-page .zt-table tbody td:first-child { color: #0B3D91; font-weight: 600; white-space: nowrap; }
.zt-page .zt-table tbody td:nth-child(3) { color: #e60000; font-weight: 700; white-space: nowrap; }

/* ==================== 12. 报告演示卡 ==================== */
.zt-page .zt-report-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; max-width: 980px; margin: 0 auto; }
.zt-page .zt-report-card {
  background: #fff;
  border: 1px solid #e5e9f0;
  border-radius: 12px;
  padding: 14px;
  box-shadow: 0 2px 8px rgba(15, 43, 123, 0.04);
}
.zt-page .zt-report-card img { width: 100%; border-radius: 8px; display: block; }
.zt-page .zt-report-cap { font-size: 13px; color: #5b6b82; text-align: center; padding: 10px 4px 2px; line-height: 1.6; }

/* ==================== 13. 页脚 CTA 区适配 ==================== */
.zt-page .sys-cta { background: linear-gradient(135deg, #0B3D91, #0a2e6e); }
.zt-page .sys-cta h2 { color: #fff; }
.zt-page .sys-cta .sys-btn-primary,
.zt-page .sys-cta .zt-btn-primary { background: #fff; color: #0B3D91; box-shadow: none; }
.zt-page .sys-cta .sys-btn-ghost { background: transparent; border-color: rgba(255, 255, 255, 0.6); color: #fff; }

/* ==================== 14. 移动端适配 ==================== */
@media (max-width: 992px) {
  .zt-page .header-box { padding: 0 24px; }
  .zt-page .header-left { gap: 20px; }
  .zt-page .sys-hero { padding: 100px 16px 34px; }
  .zt-page .zt-tabs { padding: 0 16px; }
  .zt-page .zt-svc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .zt-page .menus {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #0B3D91;
    padding: 10px 20px 16px;
    display: none;
  }
  .zt-page .menus.open { display: flex; }
  .zt-page .nav-toggle { display: flex; }
  .zt-page .header-right .platform-link { display: none; }
  .zt-page .zt-svc-grid,
  .zt-page .zt-six-grid { grid-template-columns: 1fr; }
  .zt-page .zt-split,
  .zt-page .zt-report-grid { grid-template-columns: 1fr; }
  .zt-page .zt-hero-stats { gap: 8px; }
  .zt-page .zt-stat { padding: 8px 14px; }
  .zt-page .zt-stat b { font-size: 17px; }
  .zt-page .zt-tip { padding: 10px 14px; }
  .zt-page .sys-hero-title { font-size: 24px; }
}

/* ==================== 15. 网格统一宽度与居中（v6 修复） ==================== */
.zt-page .zt-svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}
.zt-page .sys-step-grid,
.zt-page .sys-adv-grid,
.zt-page .sys-eval-grid,
.zt-page .sys-faq-grid {
  max-width: 1180px;
  margin: 0 auto;
}
.zt-page .sys-steps,
.zt-page .sys-advs,
.zt-page .sys-evals,
.zt-page .sys-faqs,
.zt-page .sys-cta {
  padding-left: 20px;
  padding-right: 20px;
}
/* 价格单位灰色 */
.zt-page .zt-svc-price small,
.zt-page .zt-card-price small {
  color: #8a8fa3;
  font-size: 12px;
  font-weight: 400;
  margin-left: 2px;
}

/* ==================== 16. 场景分类切换 tab（entry） ==================== */
.zt-page .zt-scene-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  max-width: 1180px;
  margin: 0 auto 22px;
  padding: 0 20px;
}
.zt-page .zt-scene-tab {
  padding: 8px 22px;
  border: 1px solid #d5e4fb;
  border-radius: 7px;
  background: #fff;
  color: #33415c;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.15s;
  font-family: inherit;
}
.zt-page .zt-scene-tab:hover {
  border-color: #2563eb;
  color: #0B3D91;
}
.zt-page .zt-scene-tab.on {
  background: linear-gradient(135deg, #0B3D91, #1a4ea8);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(15, 43, 123, 0.25);
}
.zt-page .zt-scene-block.hide { display: none; }

/* 移动端：服务卡单列 */
@media (max-width: 768px) {
  .zt-page .zt-svc-grid { grid-template-columns: 1fr; }
}

/* ==================== 17. 区块标题统一居中（对齐内容） ==================== */
.zt-page .sys-trust h2,
.zt-page .sys-steps h2,
.zt-page .sys-advs h2,
.zt-page .sys-evals h2,
.zt-page .sys-faqs h2,
.zt-page .sys-cta h2 {
  text-align: center;
}

/* ==================== 18. 表格容器统一居中 ==================== */
.zt-page .zt-price-wrap {
  max-width: 1180px;
  margin: 0 auto;
}

/* ==================== 19. 警示框容器统一居中 ==================== */
.zt-page .zt-warn-box {
  max-width: 1180px;
  margin: 0 auto;
}

/* ==================== 20. 对比/六维容器统一宽度居中 ==================== */
.zt-page .zt-demo-cmp,
.zt-page .zt-six-grid {
  max-width: 1180px;
  margin: 0 auto;
}


/* ==================== 21. 降AIGC方法·卡片网格 ==================== */
.zt-page .zt-method-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 1180px;
  margin: 24px auto 0;
}
.zt-page .zt-method {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: #f8faff;
  border: 1px solid #e5e9f0;
  border-radius: 12px;
  padding: 18px 20px;
  transition: 0.25s;
}
.zt-page .zt-method:hover {
  border-color: #2563eb;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.1);
}
.zt-page .zt-method-no {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0B3D91, #2563eb);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.zt-page .zt-method b {
  display: block;
  font-size: 16px;
  color: #0B3D91;
  margin-bottom: 6px;
  font-weight: 600;
}
.zt-page .zt-method p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #5b6b82;
}

/* ==================== 22. 合规边界·警示卡片 ==================== */
.zt-page .zt-warn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.zt-page .zt-warn-card {
  background: #fff6f6;
  border: 1px solid #ffd9d9;
  border-left: 4px solid #e60000;
  border-radius: 10px;
  padding: 16px 18px;
}
.zt-page .zt-warn-card b {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: #c0392b;
  margin-bottom: 8px;
}
.zt-page .zt-warn-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: #5b6b82;
}
@media (max-width: 900px) {
  .zt-page .zt-method-grid,
  .zt-page .zt-warn-grid {
    grid-template-columns: 1fr;
  }
}