/* IMEI串号校验 · 工程模式终端（独立设计系统：全等宽、终端屏） */
.im-page,.im-modal,.im-toast{
    --im-bg:#f3f7f4;--im-card:#fff;--im-card2:#f5f9f6;--im-ink:#1b2a24;--im-ink2:#4e6459;--im-ink3:#849a8e;
    --im-line:#d9e6de;--im-soft:#e9f1ec;--im-green:#1f8a5b;--im-green2:#e0f2e8;--im-term:#0f1c16;--im-lime:#5fe0a0;
    --im-red:#c34b3c;--im-red2:#f8e7e3;--im-amber:#b4842a;
    --im-shadow:0 12px 32px rgba(15,28,22,.12);--im-shadow2:0 3px 12px rgba(15,28,22,.08);
    --im-r:10px;--im-mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
    --im-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
    --im-xs:12px;--im-sm:13.5px;--im-base:15px;--im-md:17px;--im-lg:21px;--im-xl:25px;--im-hero:34px;--im-lh:1.74;
}
:root[data-theme="dark"] .im-page,:root[data-theme="dark"] .im-modal,:root[data-theme="dark"] .im-toast{
    --im-bg:#0c1410;--im-card:#16201a;--im-card2:#1c2a22;--im-ink:#e3eee7;--im-ink2:#adc3b5;--im-ink3:#7e9687;
    --im-line:#2c4034;--im-soft:#203127;--im-green:#5fe0a0;--im-green2:#17382a;--im-term:#08110c;--im-lime:#8bf5c0;
    --im-red:#ef8a7a;--im-red2:#38211c;--im-amber:#dcb45e;
    --im-shadow:0 14px 36px rgba(0,0,0,.45);--im-shadow2:0 3px 14px rgba(0,0,0,.3);
}
.im-page{min-height:60vh;padding:22px 16px 54px;color:var(--im-ink);font:var(--im-base)/var(--im-lh) var(--im-sans);
    background:var(--im-bg);background-image:linear-gradient(0deg,rgba(31,138,91,.04) 1px,transparent 1px),radial-gradient(circle at 88% 6%,rgba(31,138,91,.1),transparent 36%);background-size:100% 28px,auto}
.im-page *,.im-modal *{box-sizing:border-box}
.im-wrap{max-width:1160px;margin:0 auto}
.im-page h1,.im-page h2,.im-page h3,.im-modal h3{font-family:var(--im-mono);font-weight:700;letter-spacing:-.02em;line-height:1.35}
.im-page b,.im-page strong{color:var(--im-green);font-weight:700}
.im-page button,.im-page input,.im-page select,.im-page textarea{font-family:var(--im-mono);font-size:inherit}
.im-page .detail-breadcrumb{margin-bottom:16px}
/* 首屏 */
.im-hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,.66fr);gap:26px;align-items:center;
    background:var(--im-card);border:1px solid var(--im-line);border-radius:var(--im-r);box-shadow:var(--im-shadow);padding:28px 32px;overflow:hidden}
.im-kicker{display:inline-block;font:var(--im-xs)/1.6 var(--im-mono);letter-spacing:.06em;color:var(--im-green);background:var(--im-green2);border-left:3px solid var(--im-green);padding:3px 10px;margin-bottom:13px}
.im-hero h1{font-size:clamp(24px,2.9vw,var(--im-hero));margin:0 0 12px}
.im-sub{margin:0 0 20px;font-size:var(--im-md);color:var(--im-ink2);max-width:700px}
.im-hero-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;border:1px solid var(--im-line);border-radius:6px;overflow:hidden}
.im-metric{background:var(--im-card2);border-right:1px solid var(--im-line);padding:9px 10px;text-align:center;min-width:0}
.im-metric:last-child{border-right:0}
.im-metric b{display:block;font:700 var(--im-xl)/1.2 var(--im-mono);color:var(--im-green)}
.im-metric span{font:var(--im-xs)/1.6 var(--im-mono);color:var(--im-ink3)}
/* 终端屏 */
.im-screen{background:var(--im-term);border:2px solid #2a4034;border-radius:8px;box-shadow:inset 0 0 24px rgba(0,0,0,.4),0 10px 26px rgba(0,0,0,.18);overflow:hidden;color:var(--im-lime)}
.im-screen-bar{display:flex;align-items:center;gap:5px;padding:7px 10px;border-bottom:1px solid #243a2e;background:#12231a}
.im-screen-bar i{width:7px;height:7px;border-radius:50%;background:#3c5a48}
.im-screen-bar span{margin-left:auto;font:10px var(--im-mono);letter-spacing:.12em;color:#7fae93}
.im-screen-body{padding:16px 16px 14px;font-family:var(--im-mono)}
.im-screen-line{font-size:11px;color:#87b79c;letter-spacing:.04em}
.im-screen-big{font-size:clamp(18px,2vw,23px);font-weight:700;letter-spacing:.06em;margin:12px 0;word-break:break-all;line-height:1.3;text-shadow:0 0 12px rgba(95,224,160,.35)}
.im-screen-cursor{font-size:16px;animation:imBlink 1.1s steps(1) infinite}
@keyframes imBlink{50%{opacity:0}}
/* 口径 */
.im-notice{display:flex;gap:12px;align-items:flex-start;background:var(--im-green2);border:1px solid var(--im-line);border-left:4px solid var(--im-green);border-radius:6px;padding:11px 15px;margin:14px 0 16px}
.im-notice-tag{flex:none;font:var(--im-xs)/1.8 var(--im-mono);color:#fff;background:var(--im-green);border-radius:3px;padding:2px 8px}
.im-notice p{margin:0;font-size:var(--im-sm);color:var(--im-ink2)}
/* 查询台 */
.im-query{background:var(--im-card);border:1px solid var(--im-line);border-radius:var(--im-r);box-shadow:var(--im-shadow2);padding:19px 21px 16px;margin-bottom:16px}
.im-query-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:13px}
.im-query-head h2{margin:0;font-size:var(--im-lg)}
.im-query-head span{font:var(--im-xs)/1.6 var(--im-mono);color:var(--im-ink3)}
.im-input-row{display:flex;gap:10px}
.im-input-box{flex:1;min-width:0;display:flex;align-items:center;gap:10px;background:var(--im-term);border:1px solid #2a4034;border-radius:6px;padding:0 13px}
.im-input-box>span{font:700 var(--im-md)/1 var(--im-mono);color:var(--im-lime)}
.im-input-box input{flex:1;min-width:0;height:52px;border:0;outline:0;background:transparent;color:var(--im-lime);font-size:var(--im-lg);letter-spacing:.06em}
.im-input-box input::placeholder{color:#587c68}
.im-btn{border:1px solid var(--im-line);background:var(--im-card2);color:var(--im-ink);border-radius:5px;padding:0 15px;min-height:39px;cursor:pointer;font-weight:700;font-size:var(--im-sm);transition:.16s;white-space:nowrap}
.im-btn:hover{border-color:var(--im-green);box-shadow:var(--im-shadow2)}
.im-btn--main{background:var(--im-green);border-color:var(--im-green);color:#fff;min-height:52px;padding:0 26px;font-size:var(--im-base)}
.im-btn--main:hover{background:#177349}
.im-quick{display:flex;flex-wrap:wrap;gap:7px;align-items:center;margin-top:13px}
.im-quick>span{font:var(--im-xs)/1.8 var(--im-mono);color:var(--im-ink3)}
.im-quick button{border:1px solid var(--im-line);background:var(--im-card2);color:var(--im-ink2);border-radius:4px;padding:4px 11px;font:var(--im-xs)/1.6 var(--im-mono);cursor:pointer}
.im-quick button:hover{border-color:var(--im-green);color:var(--im-green);background:var(--im-green2)}
.im-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:13px;padding-top:12px;border-top:1px dashed var(--im-line)}
.im-error{margin:12px 0 0;padding:9px 12px;border-radius:5px;background:var(--im-red2);color:var(--im-red);font-size:var(--im-sm)}
/* 结果 */
.im-result,.im-panel,.im-about{background:var(--im-card);border:1px solid var(--im-line);border-radius:var(--im-r);padding:19px 21px;margin-bottom:16px;box-shadow:var(--im-shadow2)}
.im-section-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:12px}
.im-section-head h2{margin:0;font-size:var(--im-lg)}
.im-section-head p{margin:0;font-size:var(--im-sm);color:var(--im-ink3)}
.im-state{font:var(--im-xs)/1.6 var(--im-mono);color:var(--im-green);background:var(--im-green2);border-radius:3px;padding:2px 9px;margin-left:6px}
.im-state.is-bad{color:var(--im-red);background:var(--im-red2)}
.im-verdict{border:1px dashed var(--im-line);border-radius:6px;background:var(--im-card2);padding:13px 15px;margin-bottom:12px;font:var(--im-sm)/1.8 var(--im-mono);color:var(--im-ink2)}
.im-verdict b{font-size:var(--im-lg)}
.im-verdict.is-ok{border-style:solid;border-color:var(--im-green);background:var(--im-green2)}
.im-verdict.is-bad{border-style:solid;border-color:var(--im-red);background:var(--im-red2)}
.im-segments{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-bottom:14px}
.im-seg{border:1px solid var(--im-line);border-radius:6px;padding:11px 12px;min-width:0;background:var(--im-card2)}
.im-seg:nth-child(1){border-top:3px solid var(--im-green)}
.im-seg:nth-child(2){border-top:3px solid var(--im-amber)}
.im-seg:nth-child(3){border-top:3px solid var(--im-red)}
.im-seg small{display:block;font:var(--im-xs)/1.6 var(--im-mono);color:var(--im-ink3)}
.im-seg b{display:block;font:700 var(--im-lg)/1.4 var(--im-mono);color:var(--im-ink);word-break:break-all;margin:2px 0}
.im-seg span{display:block;font:11px/1.5 var(--im-mono);color:var(--im-ink3)}
.im-luhn{border:1px solid var(--im-line);border-radius:6px;overflow:hidden}
.im-luhn-head{display:flex;justify-content:space-between;gap:8px;padding:9px 13px;background:var(--im-card2);border-bottom:1px solid var(--im-line);font:700 var(--im-sm)/1.6 var(--im-mono)}
.im-luhn-head span{color:var(--im-green)}
.im-luhn-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:1px;background:var(--im-line);padding:1px}
.im-cell{background:var(--im-card);padding:7px 4px;text-align:center;min-width:0}
.im-cell i{display:block;font-style:normal;font:var(--im-xs)/1.5 var(--im-mono);color:var(--im-ink3)}
.im-cell b{display:block;font:700 var(--im-md)/1.4 var(--im-mono);color:var(--im-ink)}
.im-cell em{display:block;font-style:normal;font:10px/1.4 var(--im-mono);color:var(--im-green)}
.im-cell.is-x2{background:var(--im-green2)}
.im-cell.is-x2 b{color:var(--im-green)}
.im-alts{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.im-alt{border:1px solid var(--im-line);border-radius:5px;padding:7px 11px;font:var(--im-xs)/1.6 var(--im-mono);color:var(--im-ink2);background:var(--im-card2);word-break:break-all}
/* 双栏 */
.im-two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.im-two-col>*{min-width:0}
.im-panel h2{margin:0 0 6px;font-size:var(--im-lg)}
.im-panel-hint{margin:0 0 12px;font-size:var(--im-sm);color:var(--im-ink3)}
.im-panel textarea{width:100%;resize:vertical;border:1px solid var(--im-line);border-radius:5px;background:var(--im-card2);color:var(--im-ink);padding:10px 12px;font:var(--im-sm)/1.7 var(--im-mono);outline:0}
.im-panel textarea:focus{border-color:var(--im-green)}
.im-panel-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.im-panel-actions .im-btn{min-height:34px;padding:0 13px;font-size:var(--im-xs)}
.im-batch-out,.im-import-out{margin-top:12px;font-size:var(--im-sm)}
.im-sum{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:9px}
.im-chip{font:var(--im-xs)/1.6 var(--im-mono);border-radius:3px;padding:3px 10px;background:var(--im-green2);color:var(--im-green)}
.im-chip--bad{background:var(--im-red2);color:var(--im-red)}
.im-small-list{display:flex;flex-wrap:wrap;gap:6px}
.im-small-list span{border:1px solid var(--im-line);border-radius:4px;padding:3px 9px;font:var(--im-xs)/1.6 var(--im-mono);color:var(--im-ink2);word-break:break-all}
.im-import-list{margin:8px 0 0;padding-left:18px;color:var(--im-ink2);font-size:var(--im-xs)}
.im-about h2{margin:0 0 12px;font-size:var(--im-lg)}
.im-about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(225px,1fr));gap:12px}
.im-about-grid>div{background:var(--im-card2);border:1px solid var(--im-soft);border-radius:5px;padding:13px 15px;min-width:0}
.im-about-grid h3{margin:0 0 5px;font-size:var(--im-md);color:var(--im-green)}
.im-about-grid p{margin:0;font-size:var(--im-sm);color:var(--im-ink2)}
.im-page .tskb{color:var(--im-ink)}
.im-page .tskb-card,.im-page .tskb-panel,.im-page .tskb-related{background:var(--im-card);border-color:var(--im-line);color:var(--im-ink)}
/* 浮层 */
.im-modal{position:fixed;inset:0;z-index:9000;display:flex;align-items:center;justify-content:center;padding:18px}
.im-modal[hidden],.im-toast[hidden]{display:none!important}
.im-modal-mask{position:absolute;inset:0;background:rgba(8,20,14,.65);backdrop-filter:blur(2px)}
.im-modal-card{position:relative;width:min(520px,100%);max-height:86vh;overflow:auto;background:var(--im-card);border:1px solid var(--im-line);border-top:4px solid var(--im-green);border-radius:8px;box-shadow:var(--im-shadow);padding:23px 25px;color:var(--im-ink)}
.im-modal-x{position:absolute;right:12px;top:9px;border:0;background:transparent;color:var(--im-ink3);font-size:26px;cursor:pointer}
.im-modal-kicker{font:var(--im-xs)/1.5 var(--im-mono);letter-spacing:.06em;color:var(--im-green)}
.im-modal-card h3{font-size:var(--im-xl);margin:4px 0 12px}
.im-modal-card p{font-size:var(--im-sm);color:var(--im-ink2);margin:0 0 12px}
.im-modal-card .im-input{width:100%;border:1px solid var(--im-line);background:var(--im-card2);color:var(--im-ink);border-radius:5px;padding:9px 11px;font:var(--im-sm)/1.6 var(--im-mono);outline:0}
.im-modal-foot{margin-top:16px;display:flex;justify-content:flex-end}
.im-toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);z-index:9500;background:var(--im-term);color:var(--im-lime);border-radius:5px;padding:10px 18px;font:var(--im-sm)/1.6 var(--im-mono);box-shadow:var(--im-shadow);max-width:min(90vw,520px)}
/* 响应式 */
@media(max-width:920px){.im-hero{grid-template-columns:1fr}.im-screen{max-width:360px}.im-two-col{grid-template-columns:1fr}.im-luhn-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(max-width:620px){.im-page{padding:14px 10px 40px}.im-hero{padding:20px 17px}.im-screen{display:none}.im-hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.im-query,.im-result,.im-panel,.im-about{padding:15px 14px}.im-input-row{flex-direction:column}.im-btn--main{width:100%}.im-actions .im-btn{flex:1}.im-segments{grid-template-columns:1fr}.im-luhn-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.im-notice{flex-direction:column;gap:6px}}
@media(max-width:640px){.tool-rec{width:calc(100vw - 24px)!important;max-width:calc(100vw - 24px)!important;box-sizing:border-box}.tool-rec-grid{grid-template-columns:minmax(0,1fr)!important}.tool-rec-item{min-width:0!important;width:100%!important;box-sizing:border-box}.tool-rec-body,.tool-rec-body b,.tool-rec-body small{min-width:0;max-width:100%;overflow-wrap:anywhere}}
@media print{.im-query,.im-quick,.im-modal,.im-toast{display:none!important}.im-page{background:#fff}}

/* 公共底部套件 legend 表格在窄屏会撑宽文档（本批文案较长），页面级兜底 */
@media (max-width: 640px) {
    .tskb-card { overflow-x: auto; }
    .tskb-legend { min-width: 0; width: 100%; table-layout: fixed; }
    .tskb-legend th, .tskb-legend td { overflow-wrap: anywhere; word-break: break-word; white-space: normal; }
    .tskb-tabs { flex-wrap: wrap; }
}