/* =========================================================
 * 湖南蓝洲科技有限公司 - 企业官网样式（参照 guangjiyan.com 布局）
 * 设计：固定顶部导航 / 600px 横幅轮播 / 滚动动画 / 悬浮工具
 * ========================================================= */
:root{
  --c-text:#000000; --c-text-inverse:#ffffff; --c-text-body:#666e80;
  --c-text-muted:#565f72; --c-text-subtle:#707070; --c-text-strong:#1b1b1b;
  --c-primary:#cc0000; --c-primary-deep:#8f0d0d; --c-nav-primary:#cc0000;
  --bg-base:#ffffff; --bg-nav-hover:#f6f8fa; --bg-section:#f3f7fc;
  --bg-muted:#f4f4f4; --bg-deep:#8f0d0d;
  --bd:#d1dae5; --bd-sep:#e6e6e6;
  --shadow:rgba(0,0,0,.1);
}
*{margin:0;padding:0;box-sizing:border-box;}
a{text-decoration:none;color:inherit;outline:none;}
a:hover{transition:all .3s ease-in-out 0s;}
ul,ol{list-style:none;}
img{border:0;max-width:100%;}
body{
  font-size:14px; line-height:1.7; color:#666;
  font-family:"Microsoft YaHei","PingFang SC",sans-serif;
  background:#fff; overflow-x:hidden; -webkit-font-smoothing:antialiased;
}
.clearfix:after{content:"";display:block;height:0;clear:both;visibility:hidden;}
.hide1{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hide2{overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;}
.hide3{overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;}
.flexC{display:flex;align-items:center;justify-content:center;}
.container{max-width:1200px;margin:0 auto;position:relative;padding:0 16px;}

/* ========== 顶部导航（固定 80px，参考站布局） ========== */
.site-header{width:100%;height:80px;background:#fff;position:fixed;left:0;top:0;z-index:999;border-bottom:1px solid #f0f0f0;}
.header-spacer{height:80px;}
.header-inner{width:100%;max-width:1200px;margin:0 auto;height:100%;display:flex;justify-content:space-between;align-items:center;font-size:16px;}
.site-logo{display:flex;align-items:center;height:100%;padding-right:60px;}
.site-logo img{max-width:200px;max-height:80%;}
.main-nav{flex:1;height:100%;display:flex;align-items:center;}
.nav-item{flex:1;display:flex;align-items:center;justify-content:center;font-size:16px;position:relative;height:100%;cursor:pointer;}
.nav-item>a{color:#000;text-align:center;display:flex;align-items:center;position:relative;height:100%;transition:all .3s;}
.nav-item::after{content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:#cc0000;transition:all .3s;}
.nav-item:hover::after,.nav-item.active::after{width:100%;}
.nav-item:hover>a,.nav-item.active>a{font-weight:bold;color:#cc0000;}
.nav-item:hover{background:#f6f8fa;}
.nav-item .caret{margin-left:4px;font-size:12px;}
.submenu{position:absolute;top:80px;left:50%;transform:translateX(-50%);width:auto;max-height:0;opacity:0;pointer-events:none;overflow:hidden;transition:max-height .35s ease,opacity .25s ease;background:#fff;border-radius:0 0 10px 10px;padding:0 5px;box-shadow:0 8px 20px rgba(0,0,0,.1);z-index:999;}
.nav-item:hover .submenu{max-height:320px;opacity:1;pointer-events:auto;overflow-y:auto;}
.submenu a{display:block;min-width:110px;padding:0 20px;line-height:35px;color:#000;text-align:center;font-size:14px;margin:4px 0;border-radius:5px;position:relative;}
.submenu a:hover{background:#cc0000;color:#fff;}
.header-tell{display:flex;align-items:center;margin:0 18px;font-size:16px;color:#000;white-space:nowrap;}
.header-tell:hover{color:#cc0000;}
.lang-switch{position:fixed;right:20px;top:25px;z-index:1001;font-size:12px;}
.lang-switch select{border:1px solid #d1dae5;border-radius:5px;padding:3px 6px;font-size:12px;background:#fff;color:#333;width:76px;}
.menu-toggle{display:none;background:none;border:0;font-size:30px;cursor:pointer;color:#000;line-height:1;}

/* 移动端全屏菜单（参考站样式） */
.mobile-nav{position:fixed;top:0;left:0;height:100%;width:100%;background:#fff;z-index:9999;overscroll-behavior:none;visibility:hidden;opacity:0;transition:visibility 0s ease .4s,opacity .4s ease;padding:50px 30px 30px;overflow-y:auto;}
.mobile-nav.open{visibility:visible;opacity:1;transition-delay:.05s;}
.mobile-nav-close{position:absolute;right:20px;top:14px;font-size:26px;color:#cc0000;font-weight:bold;background:none;border:0;cursor:pointer;}
.mn-item{border-bottom:1px solid #dfe0e1;padding:5px 0;}
.mn-item>a{display:block;line-height:40px;font-size:16px;font-weight:bold;color:#000;}
.mn-item.active>a{color:#cc0000;}
.mn-sub{display:none;padding-left:18px;}
.mn-item.open .mn-sub{display:block;}
.mn-sub a{display:block;height:32px;line-height:32px;font-size:14px;color:#333;}
.mobile-contact{display:block;margin-top:20px;font-weight:bold;font-size:14px;color:#000;}

/* ========== 横幅轮播（PC 600px / 移动 300px，自动播放+圆点） ========== */
.banner-wrap{position:relative;overflow:hidden;background:#eef4fb;}
.banner-track{position:relative;width:100%;height:600px;}
.banner-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .7s ease,visibility .7s;z-index:1;}
.banner-slide.active{opacity:1;visibility:visible;z-index:2;}
.banner-slide img{width:100%;height:100%;object-fit:cover;display:block;}
.seo-banner{position:relative;width:100%;height:100%;display:flex;align-items:center;overflow:hidden;background:linear-gradient(135deg,#eef4fb 0%,#cfe0f7 60%,#b7d0f2 100%);}
.seo-banner-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:40px;width:100%;max-width:1200px;margin:0 auto;padding:48px 40px;box-sizing:border-box;}
.seo-banner-text{flex:1.15;}
.seo-banner-title{font-size:40px;font-weight:800;color:#8f0d0d;line-height:1.3;margin-bottom:16px;}
.seo-banner-desc{font-size:16px;color:#565f72;line-height:1.9;margin-bottom:20px;max-width:640px;}
.seo-banner-tags{display:flex;flex-wrap:wrap;gap:10px;}
.seo-banner-tags span{display:inline-flex;align-items:center;justify-content:center;padding:8px 18px;border:1px solid #98b4dd;border-radius:999px;background:rgba(255,255,255,.72);color:#8f0d0d;font-size:13px;}
.seo-banner-media{flex:1;}
.seo-banner-media img{width:100%;height:auto;max-height:380px;object-fit:contain;border-radius:12px;box-shadow:0 18px 48px rgba(0,0,0,.12);}
.banner-dots{position:absolute;bottom:24px;left:0;right:0;z-index:10;display:flex;justify-content:center;gap:10px;}
.banner-dots .dot{width:12px;height:12px;border-radius:50%;border:none;background:rgba(11,42,99,.35);cursor:pointer;padding:0;transition:all .3s;}
.banner-dots .dot.active{background:#cc0000;transform:scale(1.2);}
.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:10;width:46px;height:46px;border:none;border-radius:50%;background:rgba(255,255,255,.55);color:#8f0d0d;font-size:28px;cursor:pointer;line-height:44px;text-align:center;transition:all .3s;}
.banner-arrow.prev{left:20px;}
.banner-arrow.next{right:20px;}
.banner-arrow:hover{background:#cc0000;color:#fff;}

/* ========== 通用区块标题 ========== */
.section-block{padding:60px 0;}
.section-block.alt{background:#f3f7fc;}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:28px;}
.section-head h2{font-size:30px;font-weight:800;color:#000;position:relative;padding-bottom:12px;}
.section-head h2::after{content:'';position:absolute;left:0;bottom:0;width:44px;height:3px;background:#cc0000;}
.more-btn{font-size:14px;color:#565f72;display:inline-flex;align-items:center;}
.more-btn:hover{color:#cc0000;}
.section-sub{font-size:15px;color:#707070;margin:14px 0 0;line-height:1.9;}

/* ========== 产品中心 ========== */
.pro-service{margin-bottom:34px;}
.pro-main{display:flex;gap:36px;align-items:center;background:#fff;border:1px solid #d1dae5;border-radius:14px;overflow:hidden;margin-bottom:28px;}
.pro-main .pro-img{flex:1;min-height:300px;overflow:hidden;}
.pro-main .pro-img img{width:100%;height:100%;min-height:300px;object-fit:cover;transition:transform .5s;}
.pro-main:hover .pro-img img{transform:scale(1.04);}
.pro-main .pro-info{flex:1;padding:36px 40px;}
.pro-main h3{font-size:24px;font-weight:800;color:#000;margin-bottom:12px;}
.pro-main .pro-scene{color:#cc0000;font-size:15px;margin-bottom:12px;}
.pro-main .pro-intro{color:#707070;line-height:1.9;margin-bottom:20px;}
.btn-more{display:inline-block;background:#cc0000;color:#fff;padding:10px 28px;border-radius:6px;font-size:14px;transition:all .3s;}
.btn-more:hover{background:#8f0d0d;color:#fff;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pro-card{background:#fff;border:1px solid #e6ebf3;border-radius:12px;overflow:hidden;transition:all .35s;}
.pro-card:hover{transform:translateY(-5px);box-shadow:0 12px 30px rgba(143,13,13,.12);}
.pro-card .pro-card-img{height:210px;overflow:hidden;}
.pro-card .pro-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.pro-card:hover .pro-card-img img{transform:scale(1.06);}
.pro-card .pro-card-body{padding:16px 18px 20px;}
.pro-card h3{font-size:16px;font-weight:700;color:#000;margin-bottom:8px;}
.pro-card .pro-card-scene{font-size:13px;color:#cc0000;margin-bottom:8px;}
.pro-card .pro-card-intro{font-size:13px;color:#707070;line-height:1.7;}
.pro-card .flexC{margin-top:14px;color:#cc0000;font-size:13px;}

/* ========== 知识库 ========== */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.news-item{background:#fff;border:1px solid #e6ebf3;border-radius:12px;overflow:hidden;transition:all .35s;display:block;}
.news-item:hover{transform:translateY(-5px);box-shadow:0 12px 30px rgba(143,13,13,.12);}
.news-item .news-date{background:#8f0d0d;color:#fff;padding:14px 16px;display:flex;align-items:center;gap:12px;}
.news-item .news-date time span{font-size:28px;font-weight:800;line-height:1;}
.news-item .news-date time p{font-size:12px;opacity:.85;margin-top:2px;}
.news-item .news-info{padding:16px 18px;}
.news-item .news-info h3{font-size:15px;font-weight:700;color:#000;line-height:1.5;}
.news-item:hover .news-info h3{color:#cc0000;}

/* ========== 环境展示 ========== */
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.case-item{position:relative;border-radius:10px;overflow:hidden;display:block;aspect-ratio:4/3;background:#eef2f8;}
.case-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.case-item:hover img{transform:scale(1.07);}
.case-item .case-mask{position:absolute;left:0;right:0;bottom:0;padding:28px 14px 12px;background:linear-gradient(transparent,rgba(0,0,0,.72));color:#fff;font-size:14px;}

/* ========== 关于我们 ========== */
.about-row{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;}
.about-text h2{font-size:30px;font-weight:800;color:#000;margin-bottom:20px;}
.about-text p{color:#565f72;line-height:2;margin-bottom:14px;font-size:15px;}
.about-text address{font-style:normal;font-size:15px;color:#000;margin-top:16px;line-height:2;}
.about-media img{width:100%;border-radius:12px;border:1px solid #d1dae5;object-fit:cover;}

/* ========== 企业核心优势 ========== */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.adv-item{background:#fff;border:1px solid #e6ebf3;border-radius:12px;padding:28px 22px;text-align:center;transition:all .35s;}
.adv-item:hover{transform:translateY(-5px);box-shadow:0 12px 30px rgba(143,13,13,.12);}
.adv-item .adv-icon{width:58px;height:58px;margin:0 auto 14px;border-radius:14px;background:rgba(204,0,0,.1);display:flex;align-items:center;justify-content:center;font-size:28px;}
.adv-item h3{font-size:17px;font-weight:700;color:#000;margin-bottom:10px;}
.adv-item p{font-size:13px;color:#707070;line-height:1.8;}

/* ========== 企业服务能力 ========== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.svc-item{background:#fff;border:1px solid #e6ebf3;border-radius:12px;padding:30px 28px;transition:all .35s;}
.svc-item:hover{box-shadow:0 12px 30px rgba(143,13,13,.12);}
.svc-item .svc-icon{font-size:30px;margin-bottom:14px;}
.svc-item h3{font-size:18px;font-weight:700;color:#000;margin-bottom:14px;}
.svc-item ul li{position:relative;padding-left:18px;color:#565f72;line-height:1.9;font-size:14px;}
.svc-item ul li::before{content:'✓';position:absolute;left:0;color:#cc0000;font-weight:700;}

/* ========== 页脚（参考站深色页脚） ========== */
.site-footer{background:#8f0d0d;color:#fff;padding-top:44px;}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:40px;padding-bottom:30px;}
.footer-logo img{max-width:180px;max-height:60px;margin-bottom:14px;}
.footer-about{font-size:13px;color:rgba(255,255,255,.72);line-height:1.9;}
.footer-cent h4{font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-cent .contact-item{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px;font-size:13px;color:rgba(255,255,255,.85);line-height:1.7;}
.footer-cent .contact-item img{width:16px;height:16px;margin-top:3px;flex-shrink:0;}
.footer-cent .contact-item a{color:#fff;}
.footer-links li{margin-bottom:8px;}
.footer-links a{color:rgba(255,255,255,.8);font-size:13px;}
.footer-links a:hover{color:#fff;}
.copyright{background:rgba(0,0,0,.25);padding:16px 0;text-align:center;font-size:12px;color:rgba(255,255,255,.6);}
.copyright a{color:rgba(255,255,255,.7);}

/* ========== 悬浮工具（返回顶部 / 电话 / AI） ========== */
.float-tools{position:fixed;right:22px;bottom:60px;z-index:998;display:flex;flex-direction:column;gap:12px;}
.float-tools .ft-btn{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;cursor:pointer;border:none;box-shadow:0 8px 22px rgba(0,0,0,.18);transition:all .3s;background:#fff;color:#8f0d0d;}
.float-tools .ft-btn.robot{background:linear-gradient(135deg,#cc0000,#8f0d0d);color:#fff;font-size:24px;}
.float-tools .ft-btn.phone{background:#fff;color:#cc0000;}
.float-tools .ft-btn.top{background:#cc0000;color:#fff;font-size:18px;transform:translateY(0);transition:transform 1.2s;}
.float-tools .ft-btn.top.hide{transform:translateX(120px);}
.float-tools .ft-btn:hover{transform:scale(1.06);}

/* ========== AI 客服弹窗（参考站 modal 样式） ========== */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:10000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s;}
.modal-overlay.show{opacity:1;visibility:visible;}
.ai-modal{width:420px;max-width:calc(100vw - 40px);height:560px;max-height:calc(100vh - 60px);background:#fff;border-radius:14px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3);}
.ai-modal-head{background:linear-gradient(120deg,#8f0d0d,#cc0000);color:#fff;padding:14px 18px;display:flex;justify-content:space-between;align-items:center;font-weight:700;}
.ai-modal-head .modal-close{background:none;border:none;color:#fff;font-size:24px;cursor:pointer;line-height:1;}
.ai-msgs{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:#f6f8fc;}
.ai-msg{max-width:84%;padding:10px 13px;border-radius:12px;line-height:1.7;font-size:14px;word-break:break-word;white-space:pre-wrap;}
.ai-msg.bot{background:#fff;color:#22314d;border:1px solid #e6ebf3;align-self:flex-start;border-bottom-left-radius:4px;}
.ai-msg.user{background:linear-gradient(135deg,#cc0000,#8f0d0d);color:#fff;align-self:flex-end;border-bottom-right-radius:4px;}
.ai-input-row{display:flex;gap:8px;padding:12px;border-top:1px solid #e6ebf3;background:#fff;}
.ai-input{flex:1;border:1px solid #d7dfeb;border-radius:22px;padding:9px 14px;font-size:14px;outline:none;}
.ai-input:focus{border-color:#cc0000;}
.ai-send{border:none;background:#cc0000;color:#fff;border-radius:22px;padding:0 18px;font-size:14px;cursor:pointer;}
.ai-send:disabled{opacity:.55;cursor:not-allowed;}

/* ========== 内页（列表/详情/关于/联系） ========== */
.page-hero{background:linear-gradient(120deg,#8f0d0d,#cc0000);color:#fff;padding:64px 0;text-align:center;}
.page-hero h1{font-size:32px;font-weight:800;}
.page-hero p{margin-top:8px;opacity:.88;font-size:15px;}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.filter-chip{border:1px solid #d1dae5;border-radius:999px;padding:8px 22px;background:#fff;color:#565f72;font-size:14px;cursor:pointer;transition:all .3s;}
.filter-chip.active,.filter-chip:hover{background:#cc0000;border-color:#cc0000;color:#fff;}
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:36px;}
.page-btn{border:1px solid #d1dae5;border-radius:6px;padding:8px 16px;background:#fff;color:#565f72;font-size:14px;cursor:pointer;}
.page-btn.active{background:#cc0000;border-color:#cc0000;color:#fff;}
.page-btn:disabled{opacity:.45;cursor:not-allowed;}
.empty-state{text-align:center;padding:50px 20px;color:#8a97ad;grid-column:1/-1;}
.detail-wrap{background:#fff;border:1px solid #e6ebf3;border-radius:14px;padding:36px;margin-top:30px;}
.detail-head{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start;}
.detail-media img{width:100%;border-radius:12px;border:1px solid #d1dae5;}
.detail-info h1{font-size:26px;font-weight:800;color:#000;margin:12px 0;}
.detail-info .badge{display:inline-block;background:rgba(204,0,0,.1);color:#cc0000;border-radius:999px;padding:4px 14px;font-size:13px;}
.detail-summary{color:#707070;line-height:1.9;margin:12px 0;}
.detail-meta{font-size:13px;color:#8a97ad;}
.detail-content{margin-top:30px;border-top:1px solid #e6ebf3;padding-top:24px;}
.detail-content h3{font-size:18px;font-weight:700;color:#000;margin-bottom:14px;}
.detail-content p{line-height:1.95;color:#565f72;margin-bottom:12px;}
.detail-content img{border-radius:10px;margin:10px 0;}
.detail-content ul,.detail-content ol{padding-left:22px;line-height:1.9;color:#565f72;}
.news-list-row{background:#fff;border:1px solid #e6ebf3;border-radius:12px;padding:22px 24px;margin-bottom:16px;display:flex;gap:22px;align-items:center;transition:all .3s;}
.news-list-row:hover{box-shadow:0 10px 26px rgba(143,13,13,.1);transform:translateY(-2px);}
.news-list-row .n-date{background:#8f0d0d;color:#fff;border-radius:10px;padding:12px 18px;text-align:center;min-width:74px;flex-shrink:0;}
.news-list-row .n-date span{font-size:24px;font-weight:800;display:block;line-height:1;}
.news-list-row .n-date p{font-size:12px;opacity:.85;margin-top:4px;}
.news-list-row h3{font-size:16px;font-weight:700;color:#000;}
.news-list-row:hover h3{color:#cc0000;}
.news-list-row p{font-size:13px;color:#8a97ad;margin-top:6px;}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;}
.contact-card{background:#fff;border:1px solid #e6ebf3;border-radius:12px;padding:26px;margin-bottom:20px;}
.contact-card h3{font-size:17px;font-weight:700;color:#000;margin-bottom:14px;}
.contact-card p{color:#565f72;line-height:1.9;font-size:14px;}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:14px;color:#333;margin-bottom:6px;font-weight:600;}
.form-field label.required::after{content:'*';color:#e5484d;margin-left:3px;}
.form-field input,.form-field textarea,.form-field select{width:100%;border:1px solid #d1dae5;border-radius:8px;padding:10px 14px;font-size:14px;font-family:inherit;background:#fff;color:#333;transition:border .3s;}
.form-field input:focus,.form-field textarea:focus{border-color:#cc0000;outline:none;}
.form-error{display:none;color:#e5484d;font-size:12px;margin-top:4px;}
.form-error.show{display:block;}
.btn-primary{display:inline-block;background:#cc0000;color:#fff;border:none;border-radius:8px;padding:12px 34px;font-size:15px;cursor:pointer;transition:all .3s;}
.btn-primary:hover{background:#8f0d0d;}
.btn-ghost{display:inline-block;background:#fff;color:#565f72;border:1px solid #d1dae5;border-radius:8px;padding:11px 30px;font-size:14px;cursor:pointer;transition:all .3s;}
.btn-ghost:hover{border-color:#cc0000;color:#cc0000;}

/* ========== 通用组件 ========== */
.toast-wrap{position:fixed;top:90px;left:50%;transform:translateX(-50%);z-index:20000;display:flex;flex-direction:column;gap:10px;}
.toast{background:#8f0d0d;color:#fff;padding:11px 22px;border-radius:8px;font-size:14px;box-shadow:0 8px 22px rgba(0,0,0,.18);}
.toast.success{background:#1c9d5a;}
.toast.error{background:#e5484d;}
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:15000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s;}
.modal-mask.show{opacity:1;visibility:visible;}
.modal-box{background:#fff;border-radius:14px;max-width:560px;width:92%;max-height:80vh;overflow:auto;box-shadow:0 18px 50px rgba(0,0,0,.25);}
.modal-head{padding:16px 20px;border-bottom:1px solid #e6ebf3;display:flex;justify-content:space-between;align-items:center;}
.modal-head h3{font-size:17px;font-weight:700;color:#000;}
.modal-close{background:none;border:none;font-size:22px;cursor:pointer;color:#8a97ad;line-height:1;}
.modal-body{padding:20px;}
.cache-notice{position:fixed;top:80px;left:0;right:0;z-index:9998;background:#fff7e6;border-bottom:1px solid #ffd591;color:#ad6800;font-size:13px;padding:8px 16px;display:flex;justify-content:center;align-items:center;gap:14px;}
.cache-notice .btn{padding:3px 12px;font-size:12px;}
.qr{width:220px;height:220px;border-radius:8px;display:block;margin:0 auto;}

/* ========== 滚动动画（wow fadeInUp 风格） ========== */
.wow{opacity:0;}
.wow.wow-animated{animation:fadeInUp 1s ease both;}
.wow.d2{animation-duration:1.6s;}
.wow.d3{animation-duration:2.2s;}
@keyframes fadeInUp{from{opacity:0;transform:translate3d(0,40px,0);}to{opacity:1;transform:none;}}

/* ========== 移动端底部导航 ========== */
.foot-nav-box{display:none;}
@media (max-width:767px){
  .foot-nav-box{display:flex;position:fixed;width:100%;left:0;bottom:0;z-index:100;height:60px;background:#8f0d0d;color:#fff;}
  .foot-nav-box a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:12px;color:#fff;border-right:1px dashed rgba(255,255,255,.4);}
  .foot-nav-box a img{width:22px;height:22px;object-fit:contain;margin-bottom:2px;}
}

/* ========== 响应式 ========== */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .case-grid{grid-template-columns:repeat(2,1fr);}
  .adv-grid{grid-template-columns:repeat(2,1fr);}
  .svc-grid{grid-template-columns:1fr;}
  .list-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .menu-toggle{display:block;}
  .main-nav{display:none;}
  .header-tell{display:none;}
  .lang-switch{top:26px;}
  .banner-track{height:300px;}
  .seo-banner{min-height:300px;}
  .seo-banner-inner{flex-direction:column;padding:28px 20px;gap:20px;text-align:center;}
  .seo-banner-title{font-size:24px;}
  .seo-banner-desc{font-size:14px;}
  .seo-banner-media{display:none;}
  .seo-banner-tags{justify-content:center;}
  .section-block{padding:42px 0;}
  .section-head h2{font-size:24px;}
  .pro-main{flex-direction:column;}
  .pro-main .pro-info{padding:24px 22px;}
  .pro-main .pro-img{width:100%;min-height:220px;}
  .pro-main .pro-img img{min-height:220px;}
  .about-row{grid-template-columns:1fr;gap:28px;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .detail-head{grid-template-columns:1fr;gap:22px;}
  .detail-wrap{padding:22px;}
  .news-list-row{flex-direction:column;align-items:flex-start;gap:14px;}
  .page-hero{padding:46px 0;}
}
@media (max-width:560px){
  .grid-4{grid-template-columns:1fr 1fr;gap:12px;}
  .news-grid{grid-template-columns:1fr;}
  .case-grid{grid-template-columns:1fr 1fr;gap:10px;}
  .adv-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .list-grid{grid-template-columns:1fr;}
  .pro-card .pro-card-img{height:150px;}
  .float-tools{right:12px;bottom:70px;}
}

/* ========== 管理后台样式 ========== */
.admin-body{background:#f3f5f9;font-size:14px;}
.hidden{display:none !important;}
.btn{display:inline-block;border:none;border-radius:6px;padding:9px 18px;font-size:14px;cursor:pointer;transition:all .3s;font-family:inherit;}
.btn-primary{background:#cc0000;color:#fff;}
.btn-primary:hover{background:#8f0d0d;}
.btn-ghost{background:#fff;color:#565f72;border:1px solid #d1dae5;}
.btn-ghost:hover{border-color:#cc0000;color:#cc0000;}
.btn-danger{background:#e5484d;color:#fff;}
.btn-danger:hover{background:#c93a3f;}
.btn-sm{padding:6px 12px;font-size:13px;}
.login-wrap{position:fixed;inset:0;background:linear-gradient(120deg,#8f0d0d,#cc0000);display:flex;align-items:center;justify-content:center;z-index:100;}
.login-box{background:#fff;border-radius:16px;padding:40px 36px;width:380px;max-width:92vw;box-shadow:0 20px 60px rgba(0,0,0,.25);}
.login-box h1{font-size:22px;font-weight:800;color:#8f0d0d;margin-bottom:8px;}
.login-box>p{color:#8a97ad;font-size:13px;margin-bottom:22px;}
.login-tip{margin-top:16px;font-size:12px;color:#8a97ad;text-align:center;}
.admin-shell{display:flex;min-height:100vh;}
.admin-sidebar{width:220px;background:#8f0d0d;color:#fff;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:50;}
.admin-logo{display:flex;align-items:center;gap:10px;padding:18px 16px;border-bottom:1px solid rgba(255,255,255,.12);}
.admin-logo img{width:34px;height:34px;border-radius:8px;}
.admin-logo span{font-weight:700;font-size:16px;}
.admin-menu{flex:1;overflow-y:auto;padding:12px 0;}
.admin-menu button{display:block;width:100%;text-align:left;background:none;border:none;color:rgba(255,255,255,.8);padding:12px 20px;font-size:14px;cursor:pointer;transition:all .3s;font-family:inherit;}
.admin-menu button:hover{background:rgba(255,255,255,.1);color:#fff;}
.admin-menu button.active{background:#cc0000;color:#fff;font-weight:700;}
.admin-logout{padding:14px;border-top:1px solid rgba(255,255,255,.12);}
.admin-logout button{width:100%;background:rgba(255,255,255,.12);color:#fff;border:none;border-radius:8px;padding:9px;cursor:pointer;font-family:inherit;}
.admin-main{flex:1;margin-left:220px;padding:24px;min-width:0;}
.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:10px;}
.admin-topbar h2{font-size:20px;font-weight:800;color:#8f0d0d;}
.admin-panel{display:none;}
.admin-panel.active{display:block;}
.panel-card{background:#fff;border-radius:12px;padding:22px;margin-bottom:20px;box-shadow:0 2px 10px rgba(143,13,13,.05);}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:10px;}
.panel-head h3{font-size:17px;font-weight:700;color:#8f0d0d;}
.data-table{width:100%;border-collapse:collapse;}
.data-table th{background:#f3f5f9;color:#565f72;font-size:13px;text-align:left;padding:10px 12px;border-bottom:1px solid #e6ebf3;white-space:nowrap;}
.data-table td{padding:10px 12px;border-bottom:1px solid #f0f2f6;font-size:14px;color:#333;vertical-align:middle;}
.table-empty{text-align:center;color:#8a97ad;padding:26px !important;}
.cover-thumb{width:54px;height:38px;object-fit:cover;border-radius:6px;}
.row-actions{display:flex;gap:8px;}
.admin-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.admin-form-grid .full{grid-column:1/-1;}
.form-field label{display:block;font-size:13px;font-weight:600;color:#333;margin-bottom:6px;}
.form-field label.required::after{content:'*';color:#e5484d;margin-left:3px;}
.form-field input,.form-field textarea,.form-field select{width:100%;border:1px solid #d1dae5;border-radius:8px;padding:9px 12px;font-size:14px;font-family:inherit;background:#fff;color:#333;}
.form-field input:focus,.form-field textarea:focus{border-color:#cc0000;outline:none;}
.check-row{display:flex;align-items:center;gap:10px;}
.check-row label{display:flex;align-items:center;gap:6px;font-weight:400;cursor:pointer;}
.mini-check{display:flex;align-items:center;gap:4px;font-size:12px;color:#565f72;white-space:nowrap;}
.cover-preview{margin-top:10px;}
.cover-preview img{max-width:220px;max-height:140px;border-radius:8px;border:1px solid #e6ebf3;}
.rte-toolbar{display:flex;gap:6px;padding:8px;background:#f6f8fc;border:1px solid #d1dae5;border-radius:8px 8px 0 0;flex-wrap:wrap;}
.rte-toolbar button{border:1px solid #d1dae5;background:#fff;border-radius:5px;padding:5px 10px;font-size:13px;cursor:pointer;font-family:inherit;}
.rte-toolbar button:hover{background:#cc0000;color:#fff;}
.rte-content{min-height:220px;border:1px solid #d1dae5;border-top:none;border-radius:0 0 8px 8px;padding:12px;outline:none;font-size:14px;line-height:1.8;}
.rte-content img{max-width:100%;}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.settings-grid .full{grid-column:1/-1;}
.form-note{font-size:12px;color:#8a97ad;margin-top:5px;}
.dropzone{border:2px dashed #d1dae5;border-radius:12px;padding:36px 20px;text-align:center;color:#8a97ad;cursor:pointer;transition:all .3s;}
.dropzone.dragover{border-color:#cc0000;background:#f0f6ff;}
.dropzone .icon{font-size:34px;display:block;margin-bottom:8px;}
.dropzone .limit{font-size:12px;margin-top:6px;}
.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-top:16px;}
.media-item{border:1px solid #e6ebf3;border-radius:10px;overflow:hidden;position:relative;background:#fff;}
.media-item img{width:100%;height:120px;object-fit:cover;display:block;}
.media-info{font-size:12px;color:#565f72;padding:8px 10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.media-actions{display:flex;gap:6px;padding:0 8px 8px;}
.media-actions button{border:1px solid #d1dae5;border-radius:5px;background:#fff;font-size:12px;padding:4px 8px;cursor:pointer;flex:1;}
.media-actions button.del{color:#e5484d;border-color:#f3c1c3;}
.upload-item{border:1px solid #e6ebf3;border-radius:8px;padding:10px 14px;margin-top:10px;background:#fff;font-size:13px;color:#565f72;}
.upload-name{display:block;margin-bottom:6px;}
.upload-bar{height:6px;background:#eef2f8;border-radius:4px;overflow:hidden;}
.upload-bar i{display:block;height:100%;background:#cc0000;width:0;transition:width .2s;}
.upload-pct{float:right;font-size:12px;color:#cc0000;margin-top:-20px;}
.upload-preview{display:flex;gap:10px;align-items:center;margin-top:8px;}
.upload-preview img{width:56px;height:42px;object-fit:cover;border-radius:6px;}
.menu-editor{display:flex;flex-direction:column;gap:8px;}
.menu-group{border:1px solid #e6ebf3;border-radius:10px;padding:8px;background:#fafbfd;}
.menu-item-row{display:flex;align-items:center;gap:8px;padding:6px 8px;background:#fff;border:1px solid #e6ebf3;border-radius:8px;margin:4px 0;}
.menu-item-row input[type=text]{flex:1;border:1px solid #d1dae5;border-radius:6px;padding:7px 10px;font-size:13px;}
.menu-item-row select{border:1px solid #d1dae5;border-radius:6px;padding:6px 8px;font-size:13px;}
.menu-item-row.dragging{opacity:.5;}
.menu-item-row.drag-over{border-color:#cc0000;background:#f0f6ff;}
.drag-handle{cursor:move;color:#8a97ad;}
.menu-child-list{margin-left:26px;border-left:2px solid #e6ebf3;padding-left:8px;}
.menu-preview{margin-top:16px;background:#f6f8fc;border:1px solid #e6ebf3;border-radius:10px;padding:16px;}
.preview-nav{display:flex;flex-wrap:wrap;gap:4px;background:#fff;border:1px solid #e6ebf3;border-radius:8px;padding:10px;position:relative;}
.preview-nav>a{display:block;padding:8px 16px;color:#333;font-size:14px;position:relative;}
.preview-nav>a:hover{color:#cc0000;font-weight:700;}
.preview-nav>a .child{display:block;color:#565f72;font-size:13px;font-weight:400;padding:4px 0;}
@media (max-width:900px){
  .admin-sidebar{width:64px;}
  .admin-sidebar .admin-logo span,.admin-menu button{font-size:0;}
  .admin-menu button::after{content:attr(data-tab);font-size:10px;display:block;margin-top:4px;color:rgba(255,255,255,.7);}
  .admin-main{margin-left:64px;}
  .admin-form-grid,.settings-grid{grid-template-columns:1fr;}
}

/* ========== 知识库区块（参考站：红色背景 + 2 列 + 分隔线） ========== */
#news_161{background:#cc0000;}
#news_161 .section-head h2{color:#fff;}
#news_161 .section-head h2::after{background:#fff;}
#news_161 .more-btn{color:rgba(255,255,255,.85);}
#news_161 .more-btn:hover{color:#fff;}
#news_161 .news-grid{grid-template-columns:1fr 1fr;column-gap:60px;row-gap:20px;position:relative;}
#news_161 .news-grid::before{content:'';position:absolute;top:10px;bottom:0;left:50%;width:1px;height:calc(100% - 20px);background:rgba(255,255,255,.15);pointer-events:none;}
#news_161 .news-item{background:#a30c0c;border-radius:8px;padding:15px 20px;display:flex;gap:16px;align-items:center;transform:none;box-shadow:none;}
#news_161 .news-item:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.18);}
#news_161 .news-item .news-date{background:transparent;padding:0 18px 0 0;border-right:1px solid rgba(255,255,255,.2);min-width:86px;}
#news_161 .news-item .news-date time{display:flex;flex-direction:column;align-items:center;gap:4px;}
#news_161 .news-item .news-date time span{font-size:34px;font-weight:700;opacity:.85;color:#fff;line-height:1;}
#news_161 .news-item .news-date time p{font-size:12px;opacity:.85;color:#fff;margin-top:4px;}
#news_161 .news-item .news-info{padding:0;flex:1;min-width:0;}
#news_161 .news-item .news-info h3{color:#fff;font-size:16px;line-height:1.5;}
#news_161 .news-item:hover .news-info h3{color:#fff;}
@media (max-width:768px){
  #news_161 .news-grid{grid-template-columns:1fr;row-gap:14px;}
  #news_161 .news-grid::before{display:none;}
}

/* ========== 页脚（参考站：红色 + 黑色版权条） ========== */
.site-footer{background:#cc0000;}
.footer-grid{grid-template-columns:1.2fr 1.6fr;gap:50px;}
.footer-logo img{max-width:200px;max-height:64px;}
.footer-about{font-size:14px;color:rgba(255,255,255,.9);line-height:1.9;}
.footer-cent .contact-item{flex-direction:column;align-items:flex-start;gap:2px;margin-bottom:18px;}
.footer-cent .contact-item .tit-1{display:flex;gap:6px;align-items:center;font-weight:700;position:relative;padding-bottom:8px;}
.footer-cent .contact-item .tit-1::after{content:'';position:absolute;left:0;bottom:0;width:16px;height:2px;background:#fff;}
.footer-cent .contact-item .tit-2{font-size:14px;line-height:1.8;color:rgba(255,255,255,.9);}
.copyright{background:#000;padding:14px 0;font-size:13px;color:rgba(255,255,255,.75);}
.copyright a{color:#fff;}
@media (max-width:768px){
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .site-footer{margin-bottom:60px;}
}

/* ========== 悬浮工具栏（参考站：白色圆角竖栏 + 机器人突出） ========== */
.float-tools{right:8px;bottom:90px;gap:0;background:#fff;border-radius:26px;box-shadow:0 8px 26px rgba(0,0,0,.16);padding:10px 0;overflow:visible;}
.float-tools .ft-btn{width:54px;height:54px;border-radius:0;box-shadow:none;background:transparent;color:#8f0d0d;position:relative;border-bottom:1px solid #eee;}
.float-tools .ft-btn:last-child{border-bottom:none;}
.float-tools .ft-btn:hover{background:#f6f8fa;transform:none;}
.float-tools .ft-btn.robot{background:transparent;width:70px;height:70px;margin-top:-46px;margin-bottom:2px;}
.float-tools .ft-btn.robot img{width:66px;height:66px;border-radius:50%;box-shadow:0 6px 18px rgba(0,0,0,.22);}
.float-tools .ft-btn.phone{background:transparent;}
.float-tools .ft-btn.top{background:transparent;color:#8f0d0d;font-size:20px;}
.float-tools .ft-btn.top img{width:22px;height:22px;}
.float-tools .ft-btn .ft-tip{display:none;position:absolute;right:74px;top:50%;transform:translateY(-50%);background:#fff;border-radius:10px;padding:8px 16px;font-size:13px;color:#333;white-space:nowrap;box-shadow:0 6px 18px rgba(0,0,0,.16);}
.float-tools .ft-btn:hover .ft-tip{display:block;}
.float-tools .ft-btn .ft-code{display:none;position:absolute;right:74px;top:50%;transform:translateY(-50%);background:#fff;border-radius:10px;padding:8px;box-shadow:0 6px 18px rgba(0,0,0,.16);}
.float-tools .ft-btn:hover .ft-code{display:block;}
.float-tools .ft-btn .ft-code img{width:120px;height:120px;border-radius:6px;display:block;}
@media (max-width:768px){
  .float-tools{right:10px;bottom:74px;}
}

/* ========== 文字标题 Logo（参考站样式） ========== */
.site-logo-text{font-size:22px;font-weight:800;color:#8f0d0d;white-space:nowrap;padding-right:40px;display:flex;align-items:center;height:100%;}
.site-logo-text::before{content:'';width:8px;height:26px;background:#cc0000;border-radius:3px;margin-right:10px;}
.footer-logo-text{font-size:24px;font-weight:800;color:#fff;line-height:1.3;margin-bottom:12px;}

/* ========== 面包屑 ========== */
.breadcrumb{font-size:13px;color:#999;display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.breadcrumb .crumb-sep{color:#ccc;}
.breadcrumb .crumb-item a{color:#999;}
.breadcrumb .crumb-item a:hover{color:#cc0000;}
.page-title-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:10px;}
.page-title-bar h1{font-size:24px;font-weight:800;color:#000;}

/* ========== AI 客服右侧悬浮窗（参考站样式） ========== */
.ai-panel-side{position:fixed;right:16px;bottom:150px;z-index:2000;width:320px;max-width:calc(100vw - 32px);background:#fff;border:2px solid #e40000;border-radius:8px;box-shadow:0 16px 46px rgba(0,0,0,.25);display:flex;flex-direction:column;overflow:hidden;opacity:0;visibility:hidden;transform:translateX(30px);transition:all .3s ease;max-height:70vh;}
.ai-panel-side.open{opacity:1;visibility:visible;transform:none;}
.ai-head{background:#d30000;color:#fff;padding:10px 14px;display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:700;}
.ai-head .ai-close{background:none;border:none;color:#fff;font-size:20px;cursor:pointer;line-height:1;}
.ai-msgs{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:10px;background:#fafafa;min-height:180px;max-height:46vh;}
.ai-msg{max-width:86%;padding:8px 12px;border-radius:6px;line-height:1.7;font-size:13px;word-break:break-word;white-space:pre-wrap;}
.ai-msg.bot{background:#f5f7fa;color:#333;align-self:flex-start;border-top-left-radius:2px;}
.ai-msg.user{background:linear-gradient(135deg,#cc0000,#8f0d0d);color:#fff;align-self:flex-end;border-top-right-radius:2px;}
.ai-preset{display:flex;flex-direction:column;gap:8px;padding:10px 12px 4px;border-top:1px solid #eee;background:#fff;}
.ai-preset-btn{background:#f0f0f0;border:none;border-radius:999px;padding:7px 14px;font-size:13px;color:#333;cursor:pointer;text-align:left;transition:background .2s;font-family:inherit;}
.ai-preset-btn:hover{background:#e0e0e0;}
.ai-input-row{display:flex;gap:8px;padding:10px 12px;background:#fff;}
.ai-input{flex:1;border:1px solid #ccc;border-radius:6px;padding:8px 12px;font-size:13px;outline:none;font-family:inherit;}
.ai-input:focus{border-color:#cc0000;}
.ai-send{border:none;background:#007bff;color:#fff;border-radius:6px;padding:0 14px;font-size:14px;cursor:pointer;}
.ai-send:disabled{opacity:.55;cursor:not-allowed;}
@media (max-width:768px){
  .ai-panel-side{right:10px;bottom:130px;width:calc(100vw - 20px);}
}

/* ========== 悬浮工具栏（aikefu 原样 + 电话图标，去掉微信） ========== */
.float-tools{position:fixed;right:16px;bottom:96px;z-index:998;display:flex;flex-direction:column;align-items:center;gap:10px;background:#fff;border-radius:26px;box-shadow:0 8px 26px rgba(0,0,0,.16);padding:10px 6px;}
.float-tools .ft-btn{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;background:transparent;position:relative;transition:all .3s;}
.float-tools .ft-btn:hover{transform:scale(1.05);}
.float-tools .ft-btn.robot img{width:56px;height:56px;object-fit:contain;border-radius:0;box-shadow:0 4px 14px rgba(0,0,0,.18);}
.float-tools .ft-btn.phone img{width:30px;height:30px;object-fit:contain;}
.float-tools .ft-tip{display:none;position:absolute;right:64px;top:50%;transform:translateY(-50%);background:#fff;border-radius:10px;padding:8px 14px;font-size:13px;color:#333;white-space:nowrap;box-shadow:0 6px 18px rgba(0,0,0,.16);}
.float-tools .ft-btn:hover .ft-tip{display:block;}
/* 独立返回顶部：划到底部才出现 */
.go-top-btn{position:fixed;right:22px;bottom:22px;z-index:997;width:44px;height:44px;border-radius:50%;border:none;background:#cc0000;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 20px rgba(0,0,0,.22);opacity:0;visibility:hidden;transform:translateY(20px);transition:all .35s;}
.go-top-btn.show{opacity:1;visibility:visible;transform:none;}
.go-top-btn img{width:20px;height:20px;filter:invert(1);}
.go-top-btn:hover{background:#8f0d0d;}

/* ========== 侧栏布局（产品中心/产品详情） ========== */
.page-with-sidebar{display:grid;grid-template-columns:250px 1fr;gap:30px;align-items:start;}
.sidebar{background:#fff;border:1px solid #e6ebf3;border-radius:10px;overflow:hidden;}
.sidebar .side-title{background:#cc0000;color:#fff;font-size:16px;font-weight:700;padding:14px 18px;}
.sidebar .side-list{padding:10px 0;}
.sidebar .side-list a{display:flex;align-items:center;gap:8px;padding:11px 18px;font-size:14px;color:#333;transition:all .25s;}
.sidebar .side-list a::before{content:'';width:7px;height:7px;border-radius:50%;background:#ccc;flex-shrink:0;}
.sidebar .side-list a.active{color:#cc0000;font-weight:700;}
.sidebar .side-list a.active::before{background:#cc0000;}
.sidebar .side-list a:hover{background:#f6f8fa;color:#cc0000;}
.sidebar .side-contact{padding:16px 18px;border-top:1px solid #e6ebf3;font-size:13px;color:#565f72;line-height:1.9;}
.sidebar .side-contact h4{color:#cc0000;font-size:15px;font-weight:700;margin-bottom:8px;}
@media (max-width:900px){
  .page-with-sidebar{grid-template-columns:1fr;}
}

/* ========== 知识库列表（单列 + 分隔线 + 日期） ========== */
.knowledge-list .k-item{display:flex;justify-content:space-between;align-items:center;padding:16px 6px;border-bottom:1px solid #e6e6e6;}
.knowledge-list .k-item a{font-size:15px;color:#000;transition:color .25s;flex:1;min-width:0;}
.knowledge-list .k-item a:hover{color:#cc0000;}
.knowledge-list .k-date{font-size:13px;color:#999;white-space:nowrap;margin-left:20px;display:flex;align-items:center;gap:5px;}
.pagination .page-btn{border:1px solid #d1dae5;border-radius:50%;width:38px;height:38px;padding:0;display:inline-flex;align-items:center;justify-content:center;font-size:14px;}
.pagination .page-btn.active{background:#cc0000;border-color:#cc0000;color:#fff;border-radius:50%;}

/* ========== 文章详情排版 ========== */
.article-detail{max-width:900px;margin:0 auto;background:#fff;border:1px solid #e6ebf3;border-radius:10px;padding:36px 44px;}
.article-detail .ad-title{font-size:20px;font-weight:800;color:#000;text-align:center;margin-bottom:12px;}
.article-detail .ad-meta{font-size:12px;color:#999;text-align:center;margin-bottom:24px;}
.article-detail .ad-content p{font-size:14px;line-height:1.9;color:#333;margin-bottom:14px;text-indent:2em;}
.article-detail .ad-content h3{font-size:16px;font-weight:700;color:#000;margin:20px 0 10px;}
.article-detail .ad-content img{max-width:100%;border-radius:8px;margin:10px 0;}
.article-detail .ad-next{margin-top:26px;padding-top:16px;border-top:1px solid #eee;font-size:13px;}
.article-detail .ad-next a{color:#007bff;text-decoration:underline;}

/* ========== 案例详情（单张大图 + 底部红色信息栏） ========== */
.case-detail-page{max-width:900px;margin:0 auto;}
.case-detail-page .cd-img{width:100%;border-radius:8px;border:1px solid #e6ebf3;display:block;margin:10px 0 20px;}
.case-detail-page .cd-title{font-size:22px;font-weight:800;color:#000;text-align:center;margin:16px 0 4px;}
.case-detail-page .cd-sub{font-size:13px;color:#999;text-align:center;margin-bottom:20px;}
.contact-bar{background:#cc0000;color:#fff;border-radius:10px;padding:24px 28px;margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.contact-bar h4{font-size:15px;font-weight:700;margin-bottom:10px;color:#fff;}
.contact-bar p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.92);}
.contact-bar a{color:#fff;}
@media (max-width:768px){.contact-bar{grid-template-columns:1fr;}}

/* ========== 联系我们（纯信息展示，参考站） ========== */
.contact-info-page{max-width:900px;margin:0 auto;}
.contact-info-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:26px;}
.contact-info-card{background:#fff;border:1px solid #e6ebf3;border-radius:10px;padding:24px 22px;text-align:center;}
.contact-info-card .ci-icon{font-size:32px;margin-bottom:10px;}
.contact-info-card h3{font-size:16px;font-weight:700;color:#000;margin-bottom:8px;}
.contact-info-card p{font-size:14px;color:#565f72;line-height:1.8;}
.contact-info-card a{color:#cc0000;}
@media (max-width:900px){.contact-info-cards{grid-template-columns:1fr;}}

/* ========== v7 修改 ========== */
/* 语言切换按钮去掉边框 */
.lang-switch select{border:none;background:transparent;color:#333;font-size:13px;width:auto;padding:2px 2px;cursor:pointer;appearance:none;-webkit-appearance:none;outline:none;}

/* 横幅去掉"了解更多"按钮相关不影响 */

/* 产品卡片：查看详情按钮 + 悬停上升/背景色 */
.pro-card{position:relative;transition:transform .35s ease,box-shadow .35s ease;}
.pro-card:hover{transform:translateY(-6px);box-shadow:0 14px 34px rgba(204,0,0,.14);}
.pro-card .pro-card-btn{display:inline-block;margin-top:12px;border:1px solid #cc0000;color:#cc0000;border-radius:6px;padding:6px 18px;font-size:13px;transition:all .3s;}
.pro-card:hover .pro-card-btn{background:#cc0000;color:#fff;}

/* 产品详情页 2.0：去边框去按钮，只留文字图片 */
.product-detail-v2 .detail-wrap{border:none;background:transparent;padding:0;box-shadow:none;}
.product-detail-v2 .detail-head{gap:36px;}
.product-detail-v2 .detail-info h1{font-size:30px;}
.product-detail-v2 .detail-content{border-top:1px solid #eee;padding-top:24px;}
.product-detail-v2 .detail-content h3{font-size:18px;}
.product-detail-v2 .detail-actions{display:none !important;}

/* 文章详情：去边框、更宽 */
.article-detail-v2 .article-detail{border:none;background:transparent;padding:0;max-width:1000px;}
.article-detail-v2 .ad-title{font-size:22px;}

/* 知识库列表：标题与"知识库"左对齐、更大字号 */
.knowledge-list-v2{max-width:none !important;margin:0 !important;}
.knowledge-list-v2 .k-item a{font-size:17px;}

/* 环境展示详情：去红色信息栏，上一篇/下一篇 */
.case-detail-v2 .contact-bar{display:none !important;}
.case-detail-v2 .cd-pager{display:flex;justify-content:space-between;margin-top:26px;padding-top:16px;border-top:1px solid #eee;font-size:14px;}
.case-detail-v2 .cd-pager a{color:#007bff;}

/* AI 客服窗口：参考【客户回话窗口.png】400x650，右侧 */
.ai-panel-side{width:400px;max-width:calc(100vw - 24px);height:650px;max-height:calc(100vh - 120px);right:16px;top:90px;bottom:auto;border:none;border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.18);}
.ai-head{background:#e3001b;justify-content:space-between;padding:12px 16px;font-size:15px;}
.ai-msgs{background:#f9f9f9;max-height:none;}
.ai-msg.bot{background:#e6f2ff;color:#333;border-radius:12px;}
.ai-input-row{background:#fff;padding:12px 14px;}
.ai-input{background:#f0f0f0;border:none;border-radius:12px;height:40px;padding:0 14px;}
.ai-send{background:#e3001b;border-radius:50%;width:36px;height:36px;padding:0;font-size:13px;flex-shrink:0;}

/* 后台：常规配色（不用大红） */
.admin-body .login-wrap{background:linear-gradient(135deg,#1e293b,#2563eb);}
.admin-body .admin-sidebar{background:#1e293b;}
.admin-body .admin-menu button.active{background:#2563eb;}
.admin-body .admin-logo span{color:#fff;}
.admin-body .btn-primary{background:#2563eb;}
.admin-body .btn-primary:hover{background:#1d4ed8;}
.admin-body .admin-topbar h2{color:#1e293b;}
.admin-body .panel-head h3{color:#1e293b;}
.admin-body .login-box h1{color:#1e293b;}
.admin-body .admin-menu button:hover{background:rgba(255,255,255,.12);}

/* 后台表单：输入框加高、限宽、便于操作 */
.admin-body .admin-form-grid .form-field input[type=text],
.admin-body .admin-form-grid .form-field input[type=date],
.admin-body .admin-form-grid .form-field textarea,
.admin-body .settings-grid input[type=text],
.admin-body .settings-grid textarea,
.admin-body .settings-grid input:not([type=checkbox]){
  min-height:42px;padding:10px 14px;font-size:14px;border-radius:8px;
}
.admin-body .admin-form-grid .form-field textarea,
.admin-body .settings-grid textarea{min-height:90px;}
.admin-body .admin-form-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
.admin-body .admin-form-grid .form-field.full input[type=text]{max-width:640px;}
.admin-body .settings-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
.admin-body .settings-grid .form-field input{width:100%;}
.admin-body .settings-grid .full{grid-column:1/-1;}
.admin-body .rte-content{min-height:280px;font-size:15px;}
.admin-body .form-field label{font-size:14px;margin-bottom:8px;}
.admin-body .form-field{margin-bottom:18px;}

/* 关于我们去掉红色信息栏 */
.about-page-v2 .contact-bar{display:none !important;}

/* 联系我们：纯文本无边框 */
.contact-page-v2 .contact-info-cards{display:block;}
.contact-page-v2 .contact-info-card{border:none;box-shadow:none;text-align:left;padding:14px 0;}
.contact-page-v2 .contact-info-card .ci-icon{display:inline-block;font-size:20px;margin:0 8px 0 0;vertical-align:middle;}
.contact-page-v2 .contact-info-card h3{display:inline-block;font-size:15px;margin:0 12px 0 0;vertical-align:middle;}
.contact-page-v2 .contact-info-card p{display:inline;font-size:14px;vertical-align:middle;}
.contact-page-v2 .contact-bar{display:none !important;}
.contact-page-v2 .contact-info-card .ci-icon{width:auto;}