/* =========================================================
   矿业AI展厅 · 企业AI展位样式（BI 需求 V1.6 §6.4 / 镝铒需求 V1.3 §5.1）
   标准展位：楣板（金色号牌+公司名牌）+ 分区牌 TAB + 围板内容区
   展位态：整页锁定无滚动，仅 TAB 内容区滚动
   ========================================================= */

/* 展位态（main.in-booth）：围板撑满高度，仅 TAB 内容区滚动 */
.main.in-booth{overflow:hidden;display:flex;flex-direction:column;padding:14px 18px 16px}
.main.in-booth .bwrap{flex:1;min-height:0;width:100%;display:flex;flex-direction:column}
.booth-shell{flex:1;min-height:0;display:flex;flex-direction:column;background:#FFF;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 1px 2px rgba(14,44,75,.06),0 22px 44px -20px rgba(14,44,75,.35)}
.bwrap{max-width:1100px;margin:0 auto}

/* ---- 展位楣板：金属质感 + 围板接缝 + 金色收边 ---- */
.b-fascia{position:relative;flex:none;display:flex;align-items:flex-start;gap:16px;padding:20px 22px 16px;color:#FFF;background:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 112px),linear-gradient(180deg,rgba(255,255,255,.1),rgba(255,255,255,0) 45%),linear-gradient(120deg,#16436E 0%,#0E2C4B 50%,#0A2138 100%)}
.b-fascia::after{content:'';position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,#8A6A20,#F2D99C 30%,#C9973B 55%,#F2D99C 80%,#8A6A20)}
.bf-no{position:relative;flex:none;margin-top:3px;min-width:66px;height:40px;padding:0 13px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:#3A2A08;letter-spacing:1px;background:linear-gradient(180deg,#F3D894 0%,#DCB259 55%,#C9973B 100%);border-radius:5px;box-shadow:0 2px 6px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.7),inset 0 -1px 0 rgba(122,86,20,.55)}
.bf-no i{position:absolute;top:4px;width:4px;height:4px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#FFF8E6,#8A6A20)}
.bf-no i:first-child{left:5px}
.bf-no i:last-child{right:5px}
.bf-main{flex:1;min-width:0}
.bf-l1{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.bf-name{font-size:19px;font-weight:800;color:#FFF;letter-spacing:.5px;text-shadow:0 1px 2px rgba(0,0,0,.3)}
.bf-st{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;color:#D7E2EE;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);border-radius:99px;padding:3px 11px}
.bf-st .dot{width:7px;height:7px;border-radius:50%;background:#9FB0C2}
.bf-st.ai .dot{background:#2E9E63;box-shadow:0 0 0 3px rgba(46,158,99,.25)}
.bf-st.human .dot{background:#3E86BE;box-shadow:0 0 0 3px rgba(62,134,190,.25)}
.bf-badge{flex:none;font-size:11px;padding:2px 10px;border-radius:99px;color:#D7E2EE;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28)}
.bf-badge.gold{color:#3A2A08;font-weight:700;border:none;background:linear-gradient(135deg,#EFCB7A,#C9973B);box-shadow:0 1px 4px rgba(0,0,0,.25)}
.bf-l2{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-top:7px}
.bf-slogan{font-size:13.5px;font-weight:700;color:#F2C66D}
.bf-meta{font-size:12px;color:#9DB2C8}
.bf-r{flex:none;margin-left:auto;display:flex;flex-direction:column;align-items:flex-end;gap:9px}
.bf-back{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 15px;border-radius:7px;font-size:12.5px;font-weight:600;color:#FFF;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.38);box-shadow:0 1px 3px rgba(0,0,0,.2);transition:all .14s}
.bf-back:hover{background:rgba(255,255,255,.24);border-color:rgba(255,255,255,.55)}
.bf-back svg{width:13px;height:13px;fill:currentColor}
.bf-src{font-size:11px;color:#F2C66D;background:rgba(201,151,59,.18);border:1px solid rgba(201,151,59,.45);padding:3px 11px;border-radius:99px;max-width:230px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---- 五个固定 TAB（展位分区牌） ---- */
.b-tabs{flex:none;display:flex;gap:2px;padding:0 14px;overflow-x:auto;scrollbar-width:none;background:linear-gradient(180deg,#F0F4F8,#E5EBF1);border-bottom:1px solid var(--line)}
.b-tabs::-webkit-scrollbar{display:none}
.btab{flex:none;height:44px;padding:0 24px;font-size:14px;font-weight:600;color:var(--text-2);position:relative;transition:all .13s}
.btab:hover{color:var(--steel)}
.btab.on{color:var(--deep-blue);background:#FFF;font-weight:700;box-shadow:inset 1px 0 0 var(--line),inset -1px 0 0 var(--line)}
.btab.on::before{content:'';position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--mine-green),var(--steel))}
.btab.on::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:1px;background:#FFF}

/* ---- 围板内容区：两侧铝合金立柱（背景层实现，滚动时立柱不动） ---- */
.b-tabbody{position:relative;flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;padding:18px 26px 22px;background:linear-gradient(90deg,#CBD4DF,#EEF2F6 55%,#BFC9D6) left / 7px 100% no-repeat,linear-gradient(270deg,#CBD4DF,#EEF2F6 55%,#BFC9D6) right / 7px 100% no-repeat,linear-gradient(180deg,rgba(14,44,75,.06),rgba(14,44,75,0) 80px),repeating-linear-gradient(90deg,rgba(14,44,75,.03) 0 1px,transparent 1px 112px),#F7F9FB;box-shadow:inset 1px 0 0 rgba(255,255,255,.7),inset -1px 0 0 rgba(255,255,255,.7)}
.b-tabbody::-webkit-scrollbar{width:8px}
.b-tabbody::-webkit-scrollbar-thumb{background:#C6D0DD;border-radius:4px}

/* ---- 对话 TAB ---- */
.btc{display:flex;flex-direction:column;height:min(62vh,560px);min-height:400px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card)}
.main.in-booth .btc{height:100%;min-height:0}
.btc-msgs{flex:1;min-height:0;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:9px;background:var(--panel-soft)}
.btc-msgs::-webkit-scrollbar{width:5px}
.btc-msgs::-webkit-scrollbar-thumb{background:#CBD5E1;border-radius:3px}
.bmsg{max-width:78%;padding:9px 13px;border-radius:11px;font-size:13px;line-height:1.6;word-break:break-word}
.brow{display:flex;gap:8px;align-self:flex-start;max-width:78%;align-items:flex-start}
.brow .bmsg{max-width:100%}
.bmsg-col{min-width:0;display:flex;flex-direction:column;align-items:flex-start}
.bavatar{flex:none;width:32px;height:32px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#FFF}
.bavatar-ai{background:linear-gradient(135deg,#143A5E,#1156C4);font-size:11px;letter-spacing:.5px}
.bavatar-human{background:#FFF;border:1px solid var(--line);color:var(--steel)}
.bh-who{display:block;font-size:11px;color:#3E86BE;font-weight:600;margin-bottom:2px}
.bh-who.who-ai{color:var(--steel)}
.bmsg.ai{align-self:flex-start;background:#FFF;border:1px solid var(--line);color:var(--text-1);border-top-left-radius:3px}
.bmsg.ai p{margin:0 0 6px}
.bmsg.ai p:last-child,.bmsg.ai ul:last-child,.bmsg.ai ol:last-child,.bmsg.ai pre:last-child{margin-bottom:0}
.bmsg.ai ul,.bmsg.ai ol{margin:0 0 6px;padding-left:18px}
.bmsg.ai li{margin:2px 0}
.bmsg.ai a{color:var(--steel);text-decoration:underline}
.bmsg.ai code{background:rgba(47,108,158,.08);border:1px solid var(--line);border-radius:4px;padding:0 4px;font-size:12px;font-family:ui-monospace,Consolas,monospace}
.bmsg.ai pre{background:#0F172A;color:#E2E8F0;border-radius:8px;padding:10px 12px;overflow-x:auto;margin:0 0 6px}
.bmsg.ai pre code{background:none;border:none;color:inherit;padding:0}
.bmsg.human{align-self:flex-start;background:#FFF;border:1px solid var(--line);color:var(--text-1);border-top-left-radius:3px}
.bh-who{display:block;font-size:11px;color:#3E86BE;font-weight:600;margin-bottom:2px}
.bmsg.me{align-self:flex-end;background:linear-gradient(135deg,var(--mine-green-2),var(--mine-green));color:#FFF;border-bottom-right-radius:3px}
.bmsg.sys{align-self:center;background:none;color:var(--text-3);font-size:11px;padding:0}
.bmsg.sys i{font-style:normal;background:var(--line);border-radius:99px;padding:2px 11px}
.btc-quick{flex:none;display:flex;gap:6px;flex-wrap:wrap;padding:9px 14px;border-top:1px solid var(--line);background:#FFF}
.btc-quick button{font-size:12px;color:var(--steel);background:rgba(47,108,158,.07);border:1px solid rgba(47,108,158,.3);padding:4px 12px;border-radius:99px}
.btc-quick button:hover{background:rgba(47,108,158,.14)}
.btc-lead{flex:none;padding:11px 14px;border-top:1px solid var(--line);background:#FFF}
.btc-lead[hidden]{display:none}
.btc-lead .bld-t{display:flex;flex-direction:column;gap:2px;margin-bottom:9px}
.btc-lead .bld-t b{font-size:13.5px;color:var(--text-1)}
.btc-lead .bld-t span{font-size:12px;color:var(--text-3)}
.btc-lead input,.btc-lead textarea{width:100%;box-sizing:border-box;margin-bottom:8px;padding:8px 11px;border:1px solid var(--line);border-radius:8px;font-size:13px;font-family:inherit;background:#FFF;color:var(--text-1)}
.btc-lead input:focus,.btc-lead textarea:focus{border-color:var(--steel);outline:none}
.btc-lead textarea{min-height:52px;resize:vertical}
.btc-lead .bld-ops{display:flex;gap:8px}
.btc-lead .bld-main{flex:none;height:34px;padding:0 16px;border:none;border-radius:8px;font-size:12.5px;font-weight:600;color:#FFF;background:var(--steel);cursor:pointer}
.btc-lead .bld-main:hover{filter:brightness(1.08)}
.btc-lead .bld-ghost{flex:none;height:34px;padding:0 14px;border:1px solid var(--line);border-radius:8px;font-size:12.5px;color:var(--text-3);background:#FFF;cursor:pointer}
.btc-lead .bld-ghost:hover{color:var(--text-1);border-color:var(--steel)}
.btc-input{flex:none;display:flex;gap:8px;padding:11px 14px;border-top:1px solid var(--line);background:#FFF}
.btc-input input{flex:1;min-width:0;height:38px;padding:0 13px;border:1px solid var(--line);border-radius:8px;font-size:13.5px}
.btc-input input:focus{border-color:var(--steel)}
.btc-input .btc-send{flex:none;height:38px;padding:0 20px;border-radius:8px;font-size:13.5px;font-weight:600;color:#FFF;background:linear-gradient(135deg,var(--mine-green-2),var(--mine-green))}
.btc-input .btc-send:hover{filter:brightness(1.07)}
.btc-input .btc-human{flex:none;height:38px;padding:0 14px;border-radius:8px;font-size:12.5px;font-weight:600;color:var(--steel);background:rgba(47,108,158,.07);border:1px solid rgba(47,108,158,.35)}
.btc-input .btc-human:hover{background:rgba(47,108,158,.15)}

/* ---- TAB 内容：产品 / 方案 / 视频 / 参会 ---- */
.bex-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.bex-prod{text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:var(--shadow-card);transition:all .16s;display:block;width:100%;padding:0}
.bex-prod:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.bex-prod .cov{aspect-ratio:4/3;background:linear-gradient(135deg,#F3F6F9,#E9EEF4);display:flex;align-items:center;justify-content:center;overflow:hidden}
.bex-prod .cov img{width:100%;height:100%;object-fit:cover;display:block}
.bex-prod .cov .noimg{font-size:30px;font-weight:800;color:rgba(14,44,75,.16);letter-spacing:2px}
.bex-pi{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px}
.bex-pi b{font-size:14px;color:var(--deep-blue);line-height:1.5}
.bex-pi p{font-size:12px;color:var(--text-2);line-height:1.6}
.bex-pf{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:2px}
.bex-price{font-size:12.5px;color:var(--gold-dark);font-weight:700}
.bex-consult{height:30px;padding:0 14px;border-radius:7px;font-size:12px;font-weight:600;color:#FFF;background:linear-gradient(135deg,var(--mine-green-2),var(--mine-green));box-shadow:0 2px 8px rgba(30,138,90,.25)}
.bex-consult:hover{filter:brightness(1.07)}
.bex-media{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.bex-video{position:relative;border-radius:10px;overflow:hidden;background:var(--panel-soft);border:1px solid var(--line);aspect-ratio:16/10;display:block;padding:0;transition:all .15s;text-align:left}
.bex-video:hover{border-color:rgba(47,108,158,.4);box-shadow:var(--shadow-hover)}
.bex-video img{width:100%;height:100%;object-fit:cover;display:block}
.bex-play{position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;background:rgba(10,33,56,.65);display:flex;align-items:center;justify-content:center}
.bex-play svg{width:20px;height:20px;fill:#FFF;margin-left:2px}
.bex-note{font-size:12px;color:var(--text-3);background:var(--panel-soft);border:1px solid var(--line);border-radius:8px;padding:8px 13px;margin-bottom:10px}
.bex-sols{display:flex;flex-direction:column;gap:9px}
.bex-sol{display:flex;align-items:center;gap:14px;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:11px 14px;transition:all .14s;box-shadow:var(--shadow-card);width:100%}
.bex-sol:hover{border-color:rgba(47,108,158,.35);box-shadow:var(--shadow-hover)}
.bex-sol .cov{flex:none;width:86px;height:58px;border-radius:7px;overflow:hidden;background:var(--panel-soft)}
.bex-sol .cov img{width:100%;height:100%;object-fit:cover;display:block}
.bex-sol .t{flex:1;min-width:0}
.bex-sol .t b{display:block;font-size:13.5px;color:var(--deep-blue);line-height:1.5}
.bex-sol .t span{font-size:11px;color:var(--text-3)}
.bex-consult.ghost{color:var(--steel);background:#FFF;border:1px solid rgba(47,108,158,.35);box-shadow:none}
.btm-sum{font-size:13px;color:var(--text-2);background:var(--panel-soft);border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin-bottom:12px}
.btm-sum b{font-size:17px;color:var(--deep-blue);font-weight:800;font-variant-numeric:tabular-nums;margin:0 2px}
.btm-list{display:flex;flex-direction:column;gap:9px}
.btm-item{display:flex;align-items:center;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 16px}
.btm-date{flex:none;width:86px;text-align:center;color:var(--deep-blue);border-right:1px solid var(--line);padding-right:12px}
.btm-date b{display:block;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums}
.btm-date span{font-size:10.5px;color:var(--text-3)}
.btm-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.btm-info b{font-size:13.5px;color:var(--deep-blue)}
.btm-info span{font-size:11.5px;color:var(--text-3)}
.btm-role{flex:none;font-size:11px;font-weight:600;color:#FFF;border-radius:99px;padding:2px 10px}
.btm-role.upcoming{background:#3E86BE}
.btm-role.active{background:var(--mine-green)}
.btm-role.ended{background:#9FB0C2}
.bex-empty{border:1px dashed var(--line);border-radius:10px;padding:42px 20px;text-align:center;display:flex;flex-direction:column;gap:6px;background:rgba(255,255,255,.6)}
.bex-empty b{font-size:14px;color:var(--text-1)}
.bex-empty span{font-size:12px;color:var(--text-3);line-height:1.7}

/* ---- 资料详情态（TASK-210） ---- */
.rsc-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.rsc-back{flex:none;display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 15px;border-radius:7px;font-size:12.5px;font-weight:600;color:var(--steel);background:#FFF;border:1px solid rgba(47,108,158,.35)}
.rsc-back:hover{background:rgba(47,108,158,.07)}
.rsc-back svg{width:12px;height:12px;fill:currentColor}
.rsc-panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow-card);padding:20px 24px}
.rsc-panel h2{font-size:19px;font-weight:800;color:var(--deep-blue);line-height:1.55}
.rsc-meta{font-size:12px;color:var(--text-3);margin-top:7px;display:flex;gap:14px;flex-wrap:wrap}
.rsc-meta .price{color:var(--gold-dark);font-weight:700}
.rsc-cov{margin:14px 0;border-radius:9px;overflow:hidden;border:1px solid var(--line);max-width:560px}
.rsc-cov img{width:100%;display:block}
.rsc-intro{font-size:13.5px;color:var(--text-2);line-height:1.85;background:var(--panel-soft);border:1px solid var(--line);border-radius:8px;padding:12px 15px}
.rsc-content{font-size:13.5px;color:var(--text-1);line-height:1.9;margin-top:14px;white-space:pre-wrap;word-break:break-word}
.rsc-ops{display:flex;gap:9px;margin-top:18px;flex-wrap:wrap}
.rsc-ops .op{height:36px;padding:0 20px;font-size:13px;border-radius:8px}
.rsc-src{margin-top:14px;font-size:11px;color:var(--text-3)}
.rsc-unclaimed{margin-top:14px}

/* ---- 展位态响应式 ---- */
@media (max-width:860px){
  .main.in-booth{padding:10px 10px 12px}
  .b-fascia{flex-wrap:wrap;padding:15px 14px 13px;gap:12px}
  .bf-r{flex-direction:row-reverse;align-items:center;margin-left:0;width:100%;justify-content:space-between}
  .bf-name{font-size:16px}
  .bf-no{min-width:56px;height:34px;font-size:13px}
  .btab{padding:0 15px;font-size:13px;height:40px}
  .b-tabbody{padding:14px 14px 18px}
  .btc{min-height:340px}
}