/* 主题色变量（默认值，后台可在「系统设置」中修改，前台会覆盖为自定义颜色） */
:root{--primary:#1677ff;--primary-rgb:22,119,255;--primary-dark:#0958d9}

*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;background:#f5f6f8;color:#333;font-size:14px;line-height:1.7}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 15px}
img{max-width:100%}

/* 头部 */
.site-header{background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.08);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;height:60px}
.header-collapse{flex:1;display:flex;align-items:center;min-width:0}
.logo{font-size:22px;font-weight:700;color:var(--primary);margin-right:40px;display:flex;align-items:center;flex-shrink:0}
.logo img{height:38px;max-width:220px;display:block;object-fit:contain}
.nav{flex:1;display:flex;gap:24px}
.nav a{color:#333;font-size:15px}
.nav a:hover{color:var(--primary);text-decoration:none}
.user-links{display:flex;gap:14px;align-items:center;flex-shrink:0}
.nav-toggle{display:none;background:none;border:1px solid #d9d9d9;border-radius:6px;padding:3px 10px;font-size:18px;line-height:1.2;color:#333;cursor:pointer;margin-left:auto}
.vip-badge{background:linear-gradient(90deg,#f7b500,#fa6400);color:#fff;font-size:12px;padding:1px 6px;border-radius:4px;margin-left:4px}

/* 公告条（保持头部下方原位置，滚动时与导航栏一起常驻，吸附在头部正下方） */
.announce-bar{background:var(--primary);color:#fff;padding:8px 0;font-size:13px;position:sticky;top:60px;z-index:99}
.announce-inner{display:flex;align-items:center;height:24px;overflow:hidden}
.announce-label{flex-shrink:0;font-weight:600;margin-right:2px}
.announce-marquee{flex:1;overflow:hidden;white-space:nowrap}
.announce-track{display:inline-block;white-space:nowrap}
.announce-track .announce-text{display:inline-block;padding-right:80px}
.announce-track.marquee{animation:announceScroll 20s linear infinite}
@keyframes announceScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.main-body{padding:24px 15px 40px;min-height:60vh}

/* 通用组件 */
.card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 1px 3px rgba(0,0,0,.05);margin-bottom:20px}
.card-title{font-size:18px;font-weight:600;margin-bottom:15px;padding-left:10px;border-left:4px solid var(--primary)}
.btn{display:inline-block;padding:8px 20px;background:var(--primary);color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:14px;text-decoration:none}
.btn:hover{background:var(--primary-dark);color:#fff;text-decoration:none}
.btn-default{background:#fff;color:#333;border:1px solid #d9d9d9}
.btn-default:hover{background:#f5f5f5;color:#333}
.btn-danger{background:#ff4d4f}
.btn-sm{padding:4px 12px;font-size:13px}
.tag{display:inline-block;padding:1px 8px;border-radius:4px;font-size:12px;color:#fff}
.tag-blue{background:var(--primary)}.tag-green{background:#52c41a}.tag-orange{background:#fa8c16}.tag-red{background:#ff4d4f}.tag-gray{background:#999}

/* 表单 */
.form-group{margin-bottom:15px}
.form-group label{display:block;margin-bottom:5px;font-weight:500}
.form-control{width:100%;padding:8px 12px;border:1px solid #d9d9d9;border-radius:4px;font-size:14px}
textarea.form-control{min-height:100px}
.form-control:focus{border-color:var(--primary);outline:none}
.form-inline{display:flex;gap:10px;align-items:center}

/* 表格 */
.table{width:100%;border-collapse:collapse;background:#fff}
.table th,.table td{padding:10px 12px;border-bottom:1px solid #f0f0f0;text-align:left}
.table th{background:#fafafa;font-weight:600}
.table tr:hover td{background:#fafcff}

/* 首页 */
.banner{background:var(--primary);color:#fff;border-radius:8px;padding:50px 40px;margin-bottom:24px}
.banner h1{font-size:32px;margin-bottom:10px}

/* 首页首屏（幻灯片 / banner 二选一显示，高度约 1.5 倍 banner） */
.hero{margin-bottom:24px}
.hero .banner,.hero .slideshow{margin-bottom:0}
.hero.has-slides .banner{display:none}

/* 首页幻灯片（高度约 1.5 倍 banner 区块，图片按 3:2 上传居中裁剪填充） */
.slideshow{position:relative;width:100%;height:260px;border-radius:8px;overflow:hidden;background:#f0f0f0}
.slideshow .slide{position:absolute;top:0;left:0;width:100%;height:100%;display:block;overflow:hidden;text-decoration:none}
.slideshow .slide img{width:100%;height:100%;object-fit:cover;display:block}
.slideshow .slide.on{z-index:2}
/* 变换动画一：向左滑动（下一张从右侧进入，上一张向左移出） */
.slideshow[data-anim="slide"] .slide{transform:translateX(100%);transition:transform .5s ease}
.slideshow[data-anim="slide"] .slide.on{transform:translateX(0)}
.slideshow[data-anim="slide"] .slide.out{transform:translateX(-100%)}
/* 变换动画二：淡入淡出 */
.slideshow[data-anim="fade"] .slide{opacity:0;transition:opacity .5s ease}
.slideshow[data-anim="fade"] .slide.on{opacity:1}
/* 变换动画三：缩放 */
.slideshow[data-anim="zoom"] .slide{opacity:0;transform:scale(1.06);transition:opacity .5s ease,transform .5s ease}
.slideshow[data-anim="zoom"] .slide.on{opacity:1;transform:scale(1)}
.slideshow[data-anim="zoom"] .slide.out{opacity:0;transform:scale(.94)}
/* 变换动画四：3D 翻转 */
.slideshow[data-anim="flip"] .slide{opacity:0;transform:rotateY(70deg);transition:opacity .5s ease,transform .5s ease}
.slideshow[data-anim="flip"] .slide.on{opacity:1;transform:rotateY(0)}
.slideshow[data-anim="flip"] .slide.out{opacity:0;transform:rotateY(-70deg)}
/* 圆点与左右箭头 */
.slides-dots{position:absolute;left:0;right:0;bottom:12px;text-align:center;z-index:5}
.slides-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.55);margin:0 4px;cursor:pointer;transition:background .25s,width .25s}
.slides-dot.on{background:#fff;width:22px;border-radius:5px}
.slides-arrow{position:absolute;top:50%;margin-top:-22px;width:36px;height:44px;z-index:5;border:none;cursor:pointer;background:rgba(0,0,0,.28);color:#fff;font-size:20px;line-height:1;padding:0 0 3px;border-radius:4px;opacity:0;transition:opacity .25s;font-family:inherit}
.slideshow:hover .slides-arrow{opacity:1}
.slides-arrow:hover{background:rgba(0,0,0,.5)}
.slides-prev{left:12px}
.slides-next{right:12px}
.grid-products{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:900px){.grid-products{grid-template-columns:repeat(2,1fr)}}
.product-item{background:#fff;border:1px solid #ebeef5;border-radius:8px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.06);transition:transform .2s,border-color .2s,box-shadow .2s}
.product-item:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:0 6px 16px rgba(22,119,255,.15)}
.product-item .pimg{height:180px;background:#f0f0f0;display:flex;align-items:center;justify-content:center;color:#bbb;overflow:hidden}
.product-item .pbody{padding:12px}
.product-item .pname{font-size:15px;font-weight:500;height:44px;overflow:hidden}
.product-item .pprice{color:#ff4d4f;font-size:18px;font-weight:700;margin-top:6px}
.product-item .psales{color:#999;font-size:12px}

.article-list .aitem{display:flex;gap:16px;background:#fff;border-radius:8px;padding:16px;margin-bottom:14px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.article-list .aimg{width:180px;height:120px;flex-shrink:0;background:#f0f0f0;border-radius:6px;overflow:hidden;display:flex;align-items:center;justify-content:center;color:#ccc}
.article-list .atitle{font-size:17px;font-weight:600}
.article-list .aintro{color:#777;margin:6px 0;height:44px;overflow:hidden}
.article-list .ameta{color:#aaa;font-size:12px}

/* 分页 */
.pagination{margin:20px 0;text-align:center}
.pagination a,.pagination span{display:inline-block;padding:6px 12px;margin:0 3px;background:#fff;border:1px solid #d9d9d9;border-radius:4px}
.pagination .cur{background:var(--primary);color:#fff;border-color:var(--primary)}

/* 用户中心布局 */
.uc-layout{display:flex;gap:20px;align-items:flex-start}
.uc-menu{width:200px;flex-shrink:0}
.uc-menu a{display:block;padding:10px 16px;color:#333;border-radius:6px;margin-bottom:4px}
.uc-menu a:hover,.uc-menu a.on{background:rgba(var(--primary-rgb),.1);color:var(--primary);text-decoration:none}
.uc-content{flex:1;min-width:0}

/* 后台布局 */
.admin-layout{display:flex;min-height:100vh}
.admin-side{width:200px;background:#001529;color:#fff;flex-shrink:0}
.admin-side .logo{color:#fff;padding:18px;text-align:center;font-size:18px;display:block}
.admin-side a{display:block;color:rgba(255,255,255,.75);padding:12px 20px}
.admin-side a:hover,.admin-side a.on{background:var(--primary);color:#fff;text-decoration:none}
.admin-main{flex:1;padding:20px;min-width:0}
.admin-topbar{background:#fff;padding:12px 20px;border-radius:8px;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center}

/* 论坛 */
.forum-item{background:#fff;border-radius:8px;padding:16px 20px;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.forum-item .ftitle{font-size:16px;font-weight:500}
.forum-item .fmeta{color:#999;font-size:12px;margin-top:4px}
.forum-item .fstat{text-align:right;color:#999;font-size:13px;flex-shrink:0;margin-left:20px}

/* 底部 */
.site-footer{background:#26292e;color:#999;margin-top:40px;padding:36px 0 20px}
.footer-cols{display:flex;gap:40px;flex-wrap:wrap}
.fcol{flex:1;min-width:220px}
.fcol h4{color:#fff;margin-bottom:12px}
.fcol a{color:#999}
.copyright{text-align:center;margin-top:24px;padding-top:16px;border-top:1px solid #3a3d43;font-size:12px}

/* 评论 */
.comment-item{border-bottom:1px solid #f0f0f0;padding:12px 0}
.comment-item .cuser{font-weight:600}
.comment-item .ctime{color:#aaa;font-size:12px;margin-left:8px}

/* ---------- 富文本编辑器 ---------- */
.rte{border:1px solid #d9d9d9;border-radius:4px;background:#fff;overflow:hidden}
.rte-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:2px;padding:6px;background:#fafafa;border-bottom:1px solid #f0f0f0}
.rte-toolbar button{min-width:30px;height:28px;padding:0 7px;border:1px solid transparent;background:transparent;border-radius:4px;cursor:pointer;font-size:13px;color:#444;line-height:1}
.rte-toolbar button:hover{background:rgba(var(--primary-rgb),.1);border-color:rgba(var(--primary-rgb),.3)}
.rte-toolbar button.active{background:rgba(var(--primary-rgb),.1);border-color:rgba(var(--primary-rgb),.45);color:var(--primary)}
.rte-toolbar .sep{width:1px;height:18px;background:#e8e8e8;margin:0 4px}
.rte-area{min-height:200px;max-height:520px;overflow-y:auto;padding:12px;outline:none;line-height:1.8;font-size:14px;color:#333}
.rte-area:empty:before{content:attr(data-placeholder);color:#bbb}
.rte-area img{max-width:100%;height:auto}
.rte-area blockquote{margin:8px 0;padding:6px 14px;border-left:3px solid #d9d9d9;background:#fafafa;color:#666}
.rte-area h2{font-size:20px;margin:10px 0}
.rte-area h3{font-size:17px;margin:8px 0}
.rte-source{display:none;width:100%;min-height:200px;border:none;padding:12px;outline:none;font-family:Consolas,Monaco,monospace;font-size:13px;resize:vertical;box-sizing:border-box}

/* 富文本前台输出 */
.rich-content{word-break:break-word}
.rich-content img{max-width:100%;height:auto}
.rich-content h2{font-size:22px;margin:14px 0 8px}
.rich-content h3{font-size:18px;margin:12px 0 6px}
.rich-content blockquote{margin:10px 0;padding:8px 16px;border-left:3px solid #d9d9d9;background:#fafafa;color:#666}
.rich-content ul,.rich-content ol{padding-left:24px;margin:8px 0}
.agree-label{font-weight:400!important;display:flex;align-items:flex-start;gap:6px;line-height:1.7;font-size:13px;color:#666;cursor:pointer;text-align:left}
.agree-label input[type=checkbox]{margin-top:3px;flex-shrink:0}
.agree-label a{color:var(--primary)}

/* 发票申请：左侧表单 + 右侧实时预览 */
.inv-form-wrap{display:flex;gap:28px;align-items:flex-start}
.inv-form-wrap>form{flex:1;min-width:0}
.inv-form-wrap>div{flex:1;min-width:0}
.inv-pv{background:#fff;border:1px solid #e5e5e5;border-radius:6px;overflow:hidden;font-size:13px}
.inv-pv-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;background:#fafafa;border-bottom:1px dashed #ddd;flex-wrap:wrap}
.inv-pv-title{font-size:15px;font-weight:600;color:var(--primary)}
.inv-pv-no{color:#999;font-size:12px}
.inv-pv-row{display:flex;padding:9px 16px;border-bottom:1px solid #f2f2f2;line-height:1.6}
.inv-pv-row .k{flex:0 0 100px;color:#888}
.inv-pv-row .v{flex:1;color:#333;word-break:break-all}
.inv-pv-money{color:#ff4d4f;font-weight:600;font-size:14px}
.inv-pv-foot{padding:10px 16px;color:#aaa;font-size:12px;background:#fafafa;line-height:1.7}
@media (max-width:900px){
	.inv-form-wrap{flex-direction:column;gap:18px}
}

/* ---------- 首页会员专区 ---------- */
.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.level-card{position:relative;background:#fff;border:1px solid #ebeef5;border-radius:10px;padding:20px 18px;display:flex;flex-direction:column;gap:8px;transition:transform .2s,border-color .2s,box-shadow .2s}
.level-card:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:0 6px 16px rgba(var(--primary-rgb),.15)}
.level-card-active{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary) inset}
.level-cur{position:absolute;top:-1px;right:-1px;background:var(--primary);color:#fff;font-size:11px;padding:2px 8px;border-radius:0 10px 0 10px}
.level-name{font-size:17px;font-weight:700}
.level-intro{color:#999;font-size:12px}
.level-price{display:flex;align-items:baseline;gap:8px;margin:4px 0}
.level-price .lp-money{font-size:26px;font-weight:700;color:#ff4d4f;line-height:1}
.level-price .lp-origin{color:#bbb;font-size:13px;text-decoration:line-through}
.level-discount{display:inline-block;align-self:flex-start;background:rgba(var(--primary-rgb),.1);color:var(--primary);font-size:12px;font-weight:600;padding:2px 10px;border-radius:4px}
.level-detail{background:#fafbfc;border-radius:6px;padding:8px 10px;color:#666;font-size:12px;line-height:1.6}
.level-detail b{color:#ff4d4f}
.level-benefits{list-style:none;margin:0;display:flex;flex-direction:column;gap:5px;font-size:13px;color:#555;flex:1}
.level-benefits li:before{content:"✓";color:var(--primary);font-weight:700;margin-right:6px}

/* ---------- 表格横向滚动容器（由 main.js 自动包裹） ---------- */
.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ---------- 手机端底部 Tab 导航（默认隐藏，仅在手机端显示） ---------- */
.mobile-tabbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:200;background:#fff;border-top:1px solid #e8e8e8;box-shadow:0 -1px 6px rgba(0,0,0,.06)}
.mobile-tabbar a{flex:1;display:flex;align-items:center;justify-content:center;height:56px;color:#888;font-size:15px;text-decoration:none}
.mobile-tabbar a.on{color:var(--primary);font-weight:600}

/* ================= 三端自适应 ================= */
@media (max-width:1024px){
	.container{max-width:100%}
	.grid-products{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:900px){
	.grid-products{grid-template-columns:repeat(2,1fr)}
	.level-grid{grid-template-columns:repeat(2,1fr)}
	.banner{padding:36px 24px}
	.banner h1{font-size:26px}
	.slideshow{height:220px}
	.footer-cols{gap:24px}
}
@media (max-width:767px){
	.container{padding:0 12px}
	.main-body{padding:16px 12px 30px}

	/* 头部折叠 */
	.header-inner{min-height:56px;height:auto;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
	.logo{margin-right:0;font-size:19px}
	.logo img{height:34px;max-width:160px}
	.nav-toggle{display:block}
	.header-collapse{display:none;width:100%;flex-direction:column;align-items:stretch;margin-top:8px;padding-top:8px;border-top:1px solid #f0f0f0}
	.header-collapse.open{display:flex}
	.nav{flex-direction:column;gap:0;flex:none}
	.nav a{padding:11px 4px;border-bottom:1px solid #f5f5f5}
	.user-links{flex-direction:column;align-items:stretch;gap:0}
	.user-links a{padding:11px 4px;border-bottom:1px solid #f5f5f5}

	.banner{padding:28px 18px}
	.banner h1{font-size:22px}

	/* 公告条跟随移动端头部高度（56px）吸附 */
	.announce-bar{top:56px}

	/* 手机端不显示幻灯片，只显示原来的 banner 区块 */
	.hero .slideshow{display:none}
	.hero.has-slides .banner{display:block}
	.hero .banner{margin-bottom:0}

	/* 商品网格 */
	.grid-products{grid-template-columns:repeat(2,1fr);gap:10px}
	.product-item .pimg{height:130px}
	.product-item .pname{font-size:14px;height:40px}
	.product-item .pprice{font-size:16px}

	/* 会员专区单列 */
	.level-grid{grid-template-columns:1fr;gap:12px}
	.level-price .lp-money{font-size:23px}

	/* 文章列表上下排列 */
	.article-list .aitem{flex-direction:column;padding:14px}
	.article-list .aimg{width:100%;height:170px}

	/* 用户中心菜单横向滚动 */
	.uc-layout{flex-direction:column;gap:12px}
	.uc-menu{width:100%;display:flex;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:6px;padding-bottom:4px}
	.uc-menu a{margin-bottom:0;white-space:nowrap;padding:8px 14px;background:#fff;flex-shrink:0}
	.uc-content{width:100%}

	/* 后台侧栏转为顶部横向滚动 */
	.admin-layout{flex-direction:column}
	.admin-side{width:100%;display:flex;align-items:center;overflow-x:auto;-webkit-overflow-scrolling:touch}
	.admin-side .logo{padding:12px 14px;font-size:15px;white-space:nowrap;flex-shrink:0}
	.admin-side a{padding:12px 14px;white-space:nowrap;flex-shrink:0}
	.admin-main{padding:12px}
	.admin-topbar{flex-direction:column;align-items:flex-start;gap:4px}

	.form-inline{flex-wrap:wrap}
	.card{padding:14px}
	.pagination a,.pagination span{padding:5px 10px;margin:0 2px;font-size:13px}
	.forum-item{flex-direction:column;align-items:flex-start;gap:8px}
	.forum-item .fstat{text-align:left;margin-left:0}
	.table-scroll .table{min-width:620px}
	.rte-area{min-height:180px}
	/* 底部 Tab 栏适配（body 预留高度） */
	body{padding-bottom:56px}
	.mobile-tabbar{display:flex}
}
@media (max-width:420px){
	.grid-products{grid-template-columns:1fr}
}