/* 兰城院 · 校园圈 —— 设计令牌与全站样式 */
:root{
  --primary:#2F6BFF; --primary-dark:#1E52D6; --primary-soft:#EAF1FF; --primary-soft2:#F4F8FF;
  --mint:#2FBFA0; --mint-soft:#E6F8F2; --mint-dark:#1E9C82;
  --orange:#FF8A4C; --orange-soft:#FFF1E8; --red:#F2544B; --red-soft:#FFECEA;
  --yellow:#F2A93B; --purple:#7C5CFC;
  --ink:#1B2437; --ink2:#3E4A60; --ink3:#6E7A90; --ink4:#9AA5B6;
  --line:#E7ECF4; --line2:#DDE4EF; --bg:#F5F7FB; --white:#fff;
  --radius:12px; --radius-sm:8px; --radius-lg:18px;
  --shadow:0 2px 10px rgba(31,58,110,.055),0 8px 24px rgba(31,58,110,.045);
  --shadow-hover:0 8px 24px rgba(47,107,255,.13),0 2px 8px rgba(31,58,110,.06);
  --gap:16px; --header-h:66px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
.ico{flex:none;vertical-align:-3px}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.mono-num{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);height:var(--header-h)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:100%;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:10px;flex:none;cursor:pointer}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--primary),#6E9BFF);display:grid;place-items:center;color:#fff;font-weight:800;font-size:16px;box-shadow:0 4px 12px rgba(47,107,255,.3)}
.logo-text strong{display:block;font-size:16px;letter-spacing:.5px;line-height:1.2}
.logo-text span{font-size:11px;color:var(--ink4);letter-spacing:1.2px}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{display:flex;align-items:center;gap:6px;padding:8px 13px;border-radius:9px;color:var(--ink2);font-size:14px;font-weight:500;transition:.18s}
.nav-link:hover{background:var(--primary-soft);color:var(--primary)}
.nav-link.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.header-search{flex:1;max-width:340px;min-width:140px;position:relative}
.header-search input{width:100%;height:38px;border:1px solid var(--line2);background:#F7F9FD;border-radius:20px;padding:0 38px 0 38px;outline:none;font-size:13px;transition:.2s}
.header-search input:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.header-search .si{position:absolute;left:13px;top:9px;color:var(--ink4)}
.header-search button{position:absolute;right:5px;top:4px;height:30px;padding:0 12px;border:0;border-radius:16px;background:var(--primary);color:#fff;font-size:12px}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.msg-btn{position:relative;width:38px;height:38px;display:grid;place-items:center;border-radius:10px;color:var(--ink2);border:1px solid transparent;background:transparent}
.msg-btn:hover{background:var(--primary-soft);color:var(--primary)}
.dot{position:absolute;top:5px;right:5px;min-width:16px;height:16px;padding:0 4px;border-radius:9px;background:var(--red);color:#fff;font-size:10px;line-height:16px;text-align:center;border:2px solid #fff;box-sizing:content-box}
.avatar-btn{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:22px;padding:3px 10px 3px 3px;transition:.2s}
.avatar-btn:hover{border-color:var(--primary);box-shadow:0 2px 10px rgba(47,107,255,.12)}
.avatar-btn img{width:30px;height:30px;border-radius:50%}
.avatar-btn .an{font-size:13px;max-width:84px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.guest-btn{height:36px;padding:0 16px;border-radius:20px;border:1px solid var(--primary);color:var(--primary);background:#fff;font-size:13px;font-weight:600}
.guest-btn:hover{background:var(--primary-soft)}
.avatar-menu{position:absolute;right:20px;top:60px;width:210px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 36px rgba(24,45,90,.16);padding:8px;z-index:80}
.avatar-menu .am-head{padding:10px 12px;border-bottom:1px solid var(--line);margin-bottom:6px}
.avatar-menu .am-head b{display:block;font-size:14px}
.avatar-menu .am-head small{color:var(--ink4)}
.am-item{display:flex;align-items:center;gap:9px;width:100%;padding:9px 12px;border:0;background:transparent;border-radius:9px;text-align:left;font-size:13px;color:var(--ink2)}
.am-item:hover{background:var(--primary-soft);color:var(--primary)}

/* ---------- 布局 ---------- */
.main{min-height:calc(100vh - var(--header-h));padding:22px 0 60px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:var(--gap);align-items:start}
.layout-full{max-width:1200px;margin:0 auto;padding:0 20px}
.col-main{min-width:0}
.side{min-width:0;display:flex;flex-direction:column;gap:var(--gap);position:sticky;top:88px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.card.tight{padding:14px}
.card-h{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.card-h h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:7px}
.card-h .more{font-size:12px;color:var(--primary);display:flex;align-items:center;gap:2px}
.card-h .more:hover{text-decoration:underline}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin:6px 0 18px;flex-wrap:wrap}
.page-head h1{font-size:24px;font-weight:750;letter-spacing:.3px}
.page-head p{font-size:13px;color:var(--ink3);margin-top:4px}
.page-head-right{display:flex;gap:8px;flex-wrap:wrap}
.crumb{font-size:12px;color:var(--ink4);display:flex;gap:8px;align-items:center;margin-bottom:12px;flex-wrap:wrap}
.crumb a:hover{color:var(--primary)}
.crumb-sep{color:var(--line2)}
.section-title{font-size:17px;font-weight:700;margin:22px 0 12px;display:flex;align-items:center;gap:8px}
.section-title .sub{font-size:12px;color:var(--ink4);font-weight:400}

/* ---------- 按钮 / 徽标 / 通用件 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:38px;padding:0 16px;border-radius:9px;border:1px solid var(--line2);background:#fff;color:var(--ink2);font-size:14px;font-weight:600;transition:.18s;white-space:nowrap}
.btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft2)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(47,107,255,.22)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff}
.btn-mint{background:var(--mint);border-color:var(--mint);color:#fff}
.btn-mint:hover{background:var(--mint-dark);border-color:var(--mint-dark);color:#fff}
.btn-danger{background:#fff;border-color:#FFD3CF;color:var(--red)}
.btn-danger:hover{background:var(--red-soft);border-color:var(--red);color:var(--red)}
.btn-ghost{background:transparent;border-color:var(--line2)}
.btn-sm{height:32px;padding:0 12px;font-size:13px;border-radius:8px}
.btn-lg{height:44px;padding:0 22px;font-size:15px;border-radius:10px}
.btn-block{width:100%}
.icon-btn{width:32px;height:32px;border-radius:8px;border:1px solid transparent;background:transparent;display:inline-grid;place-items:center;color:var(--ink3);transition:.18s}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary)}
.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:600;line-height:1.7;white-space:nowrap}
.badge-blue{background:var(--primary-soft);color:var(--primary)}
.badge-mint{background:var(--mint-soft);color:var(--mint-dark)}
.badge-red{background:var(--red-soft);color:var(--red)}
.badge-orange{background:var(--orange-soft);color:#D96A2B}
.badge-gray{background:#F1F4F9;color:var(--ink3)}
.badge-purple{background:#F1EDFF;color:var(--purple)}
.badge-yellow{background:#FFF5DF;color:#B87915}
.tag{display:inline-block;padding:2px 9px;border-radius:6px;background:#F3F6FC;color:var(--ink3);font-size:12px;margin:0 6px 6px 0}
.tag:hover{background:var(--primary-soft);color:var(--primary)}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{height:32px;padding:0 14px;border-radius:18px;border:1px solid var(--line2);background:#fff;color:var(--ink2);font-size:13px;transition:.18s;white-space:nowrap}
.chip:hover{border-color:var(--primary);color:var(--primary)}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;box-shadow:0 3px 10px rgba(47,107,255,.2)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tab{position:relative;padding:10px 16px;border:0;background:transparent;color:var(--ink3);font-size:14px;font-weight:600;white-space:nowrap}
.tab:hover{color:var(--primary)}
.tab.active{color:var(--primary)}
.tab.active:after{content:"";position:absolute;bottom:-1px;left:16px;right:16px;height:3px;border-radius:3px 3px 0 0;background:var(--primary)}
.divider{height:1px;background:var(--line);margin:14px 0}
.muted{color:var(--ink3)}
.small{font-size:12px}
.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.row-b{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}

/* ---------- 首页 ---------- */
.announce{display:flex;align-items:center;gap:10px;background:linear-gradient(100deg,#EAF1FF,#F0FBF7);border:1px solid #DDE9FF;border-radius:var(--radius);padding:11px 16px;margin-bottom:18px;font-size:13px;color:var(--ink2)}
.announce .badge{flex:none}
.announce .atxt{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.announce a{color:var(--primary);font-weight:600;white-space:nowrap}
.hero{background:linear-gradient(120deg,#2F6BFF 0%,#4B82FF 48%,#39C6AE 130%);border-radius:var(--radius-lg);padding:26px 28px;color:#fff;position:relative;overflow:hidden;margin-bottom:18px;box-shadow:0 12px 30px rgba(47,107,255,.22)}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;background:#fff;opacity:.09}
.hero:before{width:230px;height:230px;right:-40px;top:-110px}
.hero:after{width:150px;height:150px;right:140px;bottom:-110px}
.hero h1{font-size:25px;font-weight:750;letter-spacing:.5px;position:relative}
.hero p{font-size:13px;opacity:.9;margin:7px 0 18px;position:relative}
.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;position:relative}
.quick{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);border-radius:12px;padding:14px;color:#fff;text-align:left;transition:.2s;backdrop-filter:blur(4px)}
.quick:hover{background:rgba(255,255,255,.27);transform:translateY(-2px)}
.quick .qi{width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.24);display:grid;place-items:center;margin-bottom:9px}
.quick b{display:block;font-size:14px}
.quick small{font-size:11px;opacity:.85}
.home-stat{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center}
.home-stat div{background:var(--primary-soft2);border-radius:9px;padding:10px 4px}
.home-stat b{display:block;font-size:18px;color:var(--primary)}
.home-stat span{font-size:11px;color:var(--ink3)}
.side-list li{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13px}
.side-list li:last-child{border-bottom:0}
.side-list .idx{width:20px;height:20px;flex:none;border-radius:6px;background:#F1F4F9;color:var(--ink3);font-size:11px;font-weight:700;display:grid;place-items:center}
.side-list li:nth-child(1) .idx{background:#FFECEA;color:var(--red)}
.side-list li:nth-child(2) .idx{background:#FFF1E8;color:var(--orange)}
.side-list li:nth-child(3) .idx{background:#FFF5DF;color:#B87915}
.side-list a{display:block;line-height:1.45;color:var(--ink2);min-width:0}
.side-list a:hover{color:var(--primary)}

/* ---------- 列表卡片 ---------- */
.list-stack{display:flex;flex-direction:column;gap:var(--gap)}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px;transition:.2s;cursor:pointer;min-width:0}
.post-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#D6E3FF}
.post-card .pc-top{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink4);margin-bottom:9px;flex-wrap:wrap}
.post-card h3{font-size:16px;font-weight:700;line-height:1.45;margin-bottom:7px;word-break:break-word}
.post-card h3:hover{color:var(--primary)}
.post-card .pc-excerpt{font-size:13px;color:var(--ink3);line-height:1.6;margin-bottom:10px}
.post-card .pc-thumbs{display:flex;gap:6px;margin-bottom:10px}
.post-card .pc-thumbs img{width:64px;height:48px;object-fit:cover;border-radius:7px}
.post-card .pc-foot{display:flex;align-items:center;gap:14px;font-size:12px;color:var(--ink4);border-top:1px solid #F2F5FA;padding-top:10px;flex-wrap:wrap}
.pc-foot .fitem{display:flex;align-items:center;gap:4px}
.avatar-xs{width:22px;height:22px;border-radius:50%;flex:none}
.avatar-sm{width:34px;height:34px;border-radius:9px;flex:none}
.avatar-md{width:48px;height:48px;border-radius:12px;flex:none}
.avatar-lg{width:72px;height:72px;border-radius:18px;flex:none}
.post-card .pin-mark{color:var(--red)}

.board-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.board-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;cursor:pointer;transition:.2s;min-width:0}
.board-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6E3FF}
.board-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:22px;margin-bottom:12px}
.board-card h3{font-size:16px;font-weight:700;margin-bottom:4px}
.board-card p{font-size:12px;color:var(--ink3);min-height:34px}
.board-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--ink4);border-top:1px solid var(--line);margin-top:12px;padding-top:10px}

/* ---------- 商品 ---------- */
.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap)}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;cursor:pointer;transition:.2s;min-width:0;position:relative}
.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6E3FF}
.product-card .pimg{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--primary-soft)}
.product-card .pimg img{width:100%;height:100%;object-fit:cover;transition:.3s}
.product-card:hover .pimg img{transform:scale(1.04)}
.product-card .pbody{padding:12px}
.product-card h4{font-size:14px;font-weight:600;line-height:1.45;height:41px;overflow:hidden;margin-bottom:8px}
.price{color:var(--red);font-size:18px;font-weight:750;font-variant-numeric:tabular-nums}
.price small{font-size:12px;font-weight:500}
.old-price{color:var(--ink4);font-size:12px;text-decoration:line-through;margin-left:6px}
.product-card .pmeta{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--ink4);margin-top:8px;gap:6px}
.status-cover{position:absolute;inset:0;background:rgba(20,32,54,.48);display:grid;place-items:center;color:#fff;font-size:16px;font-weight:700;letter-spacing:2px;z-index:2}
.status-label{position:absolute;left:10px;top:10px;z-index:3}
.product-card.is-sold{filter:saturate(.75)}
.product-card.is-sold:hover{transform:none}
.fav-corner{position:absolute;right:9px;top:9px;z-index:3;width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.9);display:grid;place-items:center;color:var(--ink3);border:0}
.fav-corner:hover{color:var(--red)}
.fav-corner.on{color:var(--red)}
.gallery-main{width:100%;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;background:var(--primary-soft);border:1px solid var(--line)}
.gallery-main img{width:100%;height:100%;object-fit:cover}
.gallery-thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.gallery-thumbs button{width:68px;height:52px;padding:0;border:2px solid transparent;border-radius:8px;overflow:hidden;background:none}
.gallery-thumbs button.active{border-color:var(--primary)}
.gallery-thumbs img{width:100%;height:100%;object-fit:cover}
.detail-2col{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:var(--gap);align-items:start}
.seller-box{display:flex;gap:12px;align-items:center}
.seller-box b{display:block;font-size:15px}
.credit-bar{height:6px;border-radius:4px;background:#EEF2F8;overflow:hidden;margin-top:6px}
.credit-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--mint));border-radius:4px}

/* ---------- 任务 ---------- */
.task-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap)}
.task-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;cursor:pointer;transition:.2s;min-width:0;position:relative;overflow:hidden}
.task-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D6E3FF}
.task-card .tt{font-size:15px;font-weight:700;line-height:1.45;margin:8px 0}
.task-card .td{font-size:13px;color:var(--ink3);margin-bottom:12px}
.task-card .tfoot{display:flex;align-items:center;justify-content:space-between;border-top:1px dashed var(--line);padding-top:10px;gap:8px;flex-wrap:wrap}
.reward{color:var(--red);font-size:17px;font-weight:750}
.reward.text{font-size:14px;color:#D96A2B}
.urgent-strip{position:absolute;right:0;top:0;background:var(--red-soft);color:var(--red);font-size:11px;font-weight:700;padding:3px 10px;border-radius:0 0 0 10px}
.status-flow{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:12px 0}
.flow-step{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink4)}
.flow-step.done{color:var(--mint-dark);font-weight:600}
.flow-step .fs-dot{width:20px;height:20px;border-radius:50%;background:#EEF2F8;display:grid;place-items:center;font-size:10px;color:var(--ink4)}
.flow-step.done .fs-dot{background:var(--mint-soft);color:var(--mint-dark)}
.flow-line{width:18px;height:2px;background:var(--line2)}

/* ---------- 筛选栏 ---------- */
.filter-bar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px;margin-bottom:16px}
.filter-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:7px 0}
.filter-row + .filter-row{border-top:1px dashed var(--line)}
.filter-label{font-size:12px;color:var(--ink4);width:52px;flex:none}
.filter-row select,.filter-row input[type=number],.filter-row input[type=text]{height:32px;border:1px solid var(--line2);border-radius:8px;padding:0 10px;background:#fff;font-size:13px;outline:none;max-width:100%}
.filter-row select:focus,.filter-row input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.price-range{display:flex;align-items:center;gap:6px}
.price-range input{width:82px}
.sort-select{height:34px;border:1px solid var(--line2);border-radius:8px;padding:0 10px;background:#fff;font-size:13px;outline:none}
.sort-select:focus{border-color:var(--primary)}
.list-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.result-count{font-size:13px;color:var(--ink3)}

/* ---------- 表单 ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}
.field{margin-bottom:16px;min-width:0}
.field.full{grid-column:1/-1}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink2);margin-bottom:7px}
.field label em{color:var(--red);font-style:normal}
.field input[type=text],.field input[type=password],.field input[type=number],.field input[type=email],.field input[type=datetime-local],.field select,.field textarea{
  width:100%;border:1px solid var(--line2);border-radius:9px;padding:9px 12px;outline:none;transition:.18s;font-size:14px;background:#FBFCFF}
.field textarea{min-height:130px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px var(--primary-soft)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--red);background:#FFF9F8}
.field-hint{font-size:12px;color:var(--ink4);margin-top:6px}
.field-error{font-size:12px;color:var(--red);min-height:0;margin-top:4px}
.field-error:not(:empty){margin-top:5px}
.switch-row{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:#FAFCFF}
.switch{position:relative;width:40px;height:22px;flex:none}
.switch input{opacity:0;width:0;height:0;position:absolute}
.switch span{position:absolute;inset:0;border-radius:12px;background:#D8DFEA;transition:.2s;cursor:pointer}
.switch span:after{content:"";position:absolute;width:18px;height:18px;left:2px;top:2px;border-radius:50%;background:#fff;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.15)}
.switch input:checked + span{background:var(--primary)}
.switch input:checked + span:after{transform:translateX(18px)}
.tag-input-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.tag-pill{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:7px;background:var(--primary-soft);color:var(--primary);font-size:12px}
.tag-pill button{border:0;background:none;color:inherit;padding:0;line-height:1}
.image-picker{display:flex;gap:10px;flex-wrap:wrap}
.image-picker .ip-item{width:86px;height:70px;border-radius:9px;overflow:hidden;position:relative;border:2px solid transparent;background:none;padding:0}
.image-picker .ip-item.active{border-color:var(--primary)}
.image-picker .ip-item img{width:100%;height:100%;object-fit:cover}
.image-picker .ip-item .ip-del{position:absolute;right:2px;top:2px;width:20px;height:20px;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;border:0;font-size:12px;line-height:18px;padding:0}
.add-img{border:1px dashed var(--line2);background:#FAFCFF;color:var(--ink3);font-size:12px;width:86px;height:70px;border-radius:9px;display:grid;place-items:center;gap:2px}
.add-img:hover{border-color:var(--primary);color:var(--primary)}
.risk-tip{display:flex;gap:10px;background:#FFF6E9;border:1px solid #FFE0AE;border-radius:10px;padding:12px 14px;font-size:12px;color:#8A5B13;line-height:1.65;margin-bottom:16px}
.risk-tip.danger{background:var(--red-soft);border-color:#FFC9C5;color:#A8322C}
.risk-tip b{display:block;margin-bottom:2px}
.form-foot{display:flex;gap:10px;justify-content:flex-end;border-top:1px solid var(--line);padding-top:18px;margin-top:6px;flex-wrap:wrap}

/* ---------- 详情 / 评论 ---------- */
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.article h1{font-size:23px;line-height:1.45;font-weight:750;word-break:break-word;margin-bottom:12px}
.article .meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--ink4);padding-bottom:16px;border-bottom:1px solid var(--line)}
.article-body{font-size:15px;line-height:1.85;color:var(--ink2);padding:18px 0;word-break:break-word}
.article-body p{margin:0 0 12px}
.article-body img{width:100%;max-width:560px;border-radius:10px;margin:10px 0;display:block}
.article-actions{display:flex;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:16px}
.act-btn{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 13px;border-radius:8px;border:1px solid var(--line2);background:#fff;font-size:13px;color:var(--ink2);white-space:nowrap}
.act-btn:hover{border-color:var(--primary);color:var(--primary)}
.act-btn.on{background:var(--primary-soft);border-color:#C9DBFF;color:var(--primary)}
.comment-item{display:flex;gap:11px;padding:14px 0;border-bottom:1px dashed var(--line)}
.comment-item:last-child{border-bottom:0}
.comment-main{flex:1;min-width:0}
.comment-main .cm-head{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink4);flex-wrap:wrap}
.comment-main .cm-head b{color:var(--ink2);font-size:13px}
.comment-main p{font-size:14px;line-height:1.7;margin:6px 0;word-break:break-word}
.comment-reply{margin-left:44px;background:#F8FAFE;border-radius:9px;padding:10px 12px;margin-top:8px}
.comment-reply .comment-item{padding:8px 0}
.inline-reply{margin-top:8px;display:flex;gap:8px}
.inline-reply input{flex:1;min-width:0;height:34px;border:1px solid var(--line2);border-radius:8px;padding:0 10px;outline:none;font-size:13px}
.inline-reply input:focus{border-color:var(--primary)}

/* ---------- 骨架屏 / 空态 / 分页 ---------- */
.skeleton-wrap{display:flex;flex-direction:column;gap:12px}
.skeleton-wrap:has(.sk-grid){display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap)}
.sk{background:linear-gradient(90deg,#EDF1F7 25%,#F7F9FC 50%,#EDF1F7 75%);background-size:200% 100%;animation:shimmer 1.2s infinite;border-radius:6px}
@keyframes shimmer{to{background-position:-200% 0}}
.sk-card{display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.sk-avatar{width:38px;height:38px;border-radius:10px;flex:none}
.sk-body{flex:1;display:flex;flex-direction:column;gap:9px}
.sk-line{height:11px}
.sk-grid{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px}
.sk-img{height:130px;border-radius:8px;margin-bottom:10px}
.w40{width:40%}.w50{width:50%}.w60{width:60%}.w80{width:80%}.w90{width:90%}
.empty-state{text-align:center;padding:46px 20px;background:#fff;border:1px dashed var(--line2);border-radius:var(--radius)}
.empty-art{position:relative;width:180px;height:130px;margin:0 auto 6px}
.empty-art-emoji{position:absolute;left:0;right:0;top:44px;font-size:26px;text-align:center}
.empty-state h3{font-size:16px;font-weight:700;margin-bottom:6px}
.empty-state p{font-size:13px;color:var(--ink3);max-width:380px;margin:0 auto 16px}
.pager{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:20px;flex-wrap:wrap}
.page-num{min-width:32px;height:32px;border:1px solid var(--line2);border-radius:8px;background:#fff;font-size:13px}
.page-num:hover{border-color:var(--primary);color:var(--primary)}
.page-num.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:700}
.page-dots{color:var(--ink4);padding:0 2px}
.pager-note{text-align:center;font-size:12px;color:var(--ink4);margin-top:10px}

/* ---------- 弹窗 / Toast ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(20,32,54,.48);z-index:100;display:grid;place-items:center;padding:18px;backdrop-filter:blur(2px)}
.modal{width:100%;max-width:480px;background:#fff;border-radius:16px;box-shadow:0 24px 60px rgba(16,32,66,.25);max-height:88vh;display:flex;flex-direction:column;animation:pop .2s ease}
.modal-wide{max-width:600px}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head h3{font-size:16px;font-weight:700}
.modal-body{padding:20px;overflow:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:9px;padding:14px 20px;border-top:1px solid var(--line)}
.confirm-text{font-size:14px;line-height:1.75;color:var(--ink2)}
.star-picker{display:flex;gap:6px;margin:8px 0 14px}
.star-picker button{border:0;background:none;padding:2px;color:#DDE3EE;font-size:28px;line-height:1}
.star-picker button.on{color:#FFB43B}
#toast-host{position:fixed;top:78px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 26px rgba(24,45,90,.16);padding:10px 16px;font-size:13px;font-weight:600;color:var(--ink);animation:toastIn .22s ease;max-width:min(90vw,420px)}
.toast-success{border-left:4px solid var(--mint)}
.toast-error{border-left:4px solid var(--red)}
.toast-info{border-left:4px solid var(--primary)}
.toast.out{opacity:0;transform:translateY(-8px);transition:.25s}
@keyframes toastIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}

/* ---------- 个人中心 / 消息 / 后台 ---------- */
.profile-head{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.profile-head .pinfo{flex:1;min-width:180px}
.profile-head h2{font-size:20px;font-weight:750}
.profile-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:18px}
.profile-stats div{background:#F8FAFE;border-radius:10px;padding:12px;text-align:center}
.profile-stats b{display:block;font-size:19px;color:var(--primary)}
.profile-stats span{font-size:12px;color:var(--ink3)}
.credit-ring{width:78px;height:78px;border-radius:50%;background:conic-gradient(var(--mint) 0 96%,#EAF0F8 96% 100%);display:grid;place-items:center;flex:none}
.credit-ring i{width:62px;height:62px;border-radius:50%;background:#fff;display:grid;place-items:center;font-style:normal;font-size:20px;font-weight:800;color:var(--mint-dark)}
.msg-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:var(--gap);min-height:460px}
.conv-item{display:flex;gap:10px;padding:12px;border-radius:10px;cursor:pointer;border:1px solid transparent;transition:.18s}
.conv-item:hover{background:var(--primary-soft2)}
.conv-item.active{background:var(--primary-soft);border-color:#D6E3FF}
.conv-item .ci-body{flex:1;min-width:0}
.chat-wrap{display:flex;flex-direction:column;min-height:460px}
.chat-head{padding:12px 16px;border-bottom:1px solid var(--line);font-weight:700;font-size:14px;display:flex;align-items:center;gap:9px}
.chat-body{flex:1;max-height:380px;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:#FAFCFF}
.bubble{max-width:76%;padding:9px 13px;border-radius:12px;font-size:13px;line-height:1.65;word-break:break-word}
.bubble.them{background:#fff;border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:3px}
.bubble.me{background:var(--primary);color:#fff;align-self:flex-end;border-bottom-right-radius:3px}
.bubble-time{font-size:11px;color:var(--ink4);align-self:center;margin-top:-6px}
.chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}
.chat-input input{flex:1;min-width:0;height:36px;border:1px solid var(--line2);border-radius:9px;padding:0 12px;outline:none}
.chat-input input:focus{border-color:var(--primary)}
.notice-item{display:flex;gap:12px;padding:14px;border-bottom:1px dashed var(--line);align-items:flex-start}
.notice-item:last-child{border-bottom:0}
.notice-dot{width:8px;height:8px;border-radius:50%;background:var(--red);flex:none;margin-top:7px}
.notice-dot.read{background:var(--line2)}
.notice-item .nb{flex:1;min-width:0}
.notice-item p{font-size:13px;line-height:1.65;word-break:break-word}
.admin-table{width:100%;border-collapse:collapse;font-size:13px}
.admin-table th{text-align:left;background:#F8FAFE;color:var(--ink3);font-weight:600;padding:10px;border-bottom:1px solid var(--line);white-space:nowrap}
.admin-table td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
.admin-table tr:hover td{background:#FBFCFF}
.admin-table .tbl-title{max-width:280px;min-width:140px}
.table-scroll{overflow-x:auto}
.login-wrap{display:grid;grid-template-columns:1fr 1fr;max-width:880px;margin:26px auto;background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.login-art{background:linear-gradient(150deg,#2F6BFF,#59A5FF 55%,#39C6AE);padding:38px;color:#fff;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden;min-height:430px}
.login-art:before{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:#fff;opacity:.08;right:-90px;top:-80px}
.login-art h2{font-size:26px;font-weight:750;line-height:1.4;position:relative}
.login-art p{font-size:13px;opacity:.9;margin-top:12px;line-height:1.8;position:relative}
.login-art .la-points{margin-top:26px;position:relative;display:flex;flex-direction:column;gap:12px}
.login-art .la-points div{display:flex;align-items:center;gap:9px;font-size:13px;background:rgba(255,255,255,.14);padding:9px 12px;border-radius:9px}
.login-form{padding:38px}
.demo-accounts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.demo-accounts button{border:1px solid var(--line2);background:#FAFCFF;border-radius:9px;padding:9px 4px;font-size:12px;line-height:1.5}
.demo-accounts button:hover{border-color:var(--primary);background:var(--primary-soft2)}
.demo-accounts b{display:block;color:var(--primary);font-size:12px}

/* ---------- 底部 Tab（移动端） ---------- */
.mobile-tabs{display:none}
.bottom-space{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .layout{grid-template-columns:minmax(0,1fr) 260px}
  .product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .detail-2col{grid-template-columns:minmax(0,1fr) 280px}
  .header-inner{gap:12px}
  .main-nav .nav-link{padding:8px 9px}
}
@media (max-width:900px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .side{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .board-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .task-grid{grid-template-columns:minmax(0,1fr)}
  .detail-2col{grid-template-columns:minmax(0,1fr)}
  .profile-stats{grid-template-columns:repeat(2,1fr)}
  .login-wrap{grid-template-columns:1fr}
  .login-art{min-height:190px;padding:26px}
  .login-art .la-points{display:none}
}
@media (max-width:768px){
  :root{--header-h:56px}
  body{font-size:14px}
  .wrap,.header-inner,.layout-full{padding-left:14px;padding-right:14px}
  .site-header{height:56px}
  .header-inner{gap:8px}
  .logo-text span{display:none}
  .logo-text strong{font-size:14px}
  .logo-mark{width:32px;height:32px;font-size:14px}
  .main-nav,.header-search{display:none}
  .header-actions{margin-left:auto}
  .avatar-btn .an{display:none}
  .avatar-btn{padding:3px;border-radius:50%}
  .avatar-menu{right:10px;top:52px}
  .main{padding:14px 0 96px}
  .page-head h1{font-size:20px}
  .hero{padding:20px;border-radius:14px}
  .hero h1{font-size:20px}
  .quick-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .quick{padding:10px 8px}
  .quick b{font-size:12px}
  .quick small{display:none}
  .quick .qi{width:30px;height:30px;margin-bottom:6px}
  .side{grid-template-columns:minmax(0,1fr)}
  .side .card:nth-child(n+3){display:none}
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .skeleton-wrap:has(.sk-grid){grid-template-columns:repeat(2,minmax(0,1fr))}
  .board-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .article{padding:16px}
  .article h1{font-size:20px}
  .msg-layout{grid-template-columns:minmax(0,1fr);min-height:0}
  .msg-layout .conv-col{display:block}
  .chat-body{max-height:340px}
  .login-wrap{margin:8px auto;border-radius:14px}
  .login-form{padding:24px}
  .mobile-tabs{display:flex;position:fixed;left:0;right:0;bottom:0;height:64px;background:rgba(255,255,255,.97);border-top:1px solid var(--line);z-index:60;box-shadow:0 -4px 18px rgba(24,45,90,.06);padding-bottom:env(safe-area-inset-bottom)}
  .mobile-tabs button{flex:1;min-width:0;border:0;background:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--ink4);font-size:10px}
  .mobile-tabs button.active{color:var(--primary);font-weight:700}
  .mobile-tabs button span{white-space:nowrap}
  .bottom-space{display:block;height:8px}
  #toast-host{top:66px}
  .modal{max-height:82vh}
}
@media (max-width:480px){
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .board-grid{grid-template-columns:minmax(0,1fr)}
  .quick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .profile-stats{grid-template-columns:repeat(2,1fr)}
  .filter-label{width:100%}
  .price-range input{width:70px}
  .page-head-right .btn{height:34px;font-size:13px}
  .article-actions .act-btn{flex:1;justify-content:center;padding:0 6px;font-size:12px}
  .status-flow{gap:4px}
  .flow-line{width:10px}
}