/* JTC Service Center – front-end (scoped under .jtcsc so the theme is untouched) */
.jtcsc{--ink:#1C2126;--muted:#5E6770;--line:#D9DDDB;--panel:#fff;--bg:#F3F4F2;--chip:#EEF0EE;--accent:#E8A317;--accent-ink:#1C2126;--steel:#2F3A45;--crit:#C8412B;--warn:#D38B0F;--ok:#2E8B57;--info:#2F6FA8;
  color:var(--ink);font-family:"Noto Sans SC","IBM Plex Sans","Noto Sans Arabic",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15px;line-height:1.6;max-width:1080px;margin:0 auto;box-sizing:border-box}
.jtcsc *,.jtcsc *::before,.jtcsc *::after{box-sizing:border-box}
.jtcsc [hidden]{display:none!important}
.jtcsc h2,.jtcsc h3,.jtcsc h4,.jtcsc h5{color:var(--ink);margin:0;line-height:1.3}
.jtcsc h2{font-size:clamp(20px,3vw,26px)}
.jtcsc h3{font-size:16px;margin-bottom:10px}
.jtcsc p{margin:0}
.jtcsc .muted{color:var(--muted);font-size:13px}
.jtcsc .pre{white-space:pre-wrap;overflow-wrap:anywhere}
.jtcsc button,.jtcsc input,.jtcsc textarea,.jtcsc select{font:inherit;color:inherit}
.jtcsc :focus-visible{outline:2px solid var(--info);outline-offset:2px}

/* header / language */
.jtcsc-head{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;margin-bottom:16px}
.jtcsc-head p{color:var(--muted);margin-top:4px}
.jtcsc-langs{display:flex;gap:2px;background:var(--chip);border-radius:9px;padding:3px;flex:none}
.jtcsc-langs button{border:0;background:transparent;padding:5px 10px;border-radius:6px;cursor:pointer;font-size:13px;font-weight:600;color:var(--muted)}
.jtcsc-langs button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.jtcsc-hero{background:var(--steel);color:#F2F4F5;border-radius:12px;padding:18px 18px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.jtcsc-hero h2{color:#fff}.jtcsc-hero p{color:#B8C0C7;font-size:13px}
.jtcsc-hero .ttl{flex:1 1 260px;min-width:0}
.jtcsc-hero .jtcsc-langs{background:rgba(255,255,255,.1)}.jtcsc-hero .jtcsc-langs button{color:#B8C0C7}
.jtcsc-hero .jtcsc-langs button[aria-pressed="true"]{color:var(--accent-ink)}
.jtcsc-role{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.12);white-space:nowrap}
.jtcsc-role.own{background:var(--accent);color:var(--accent-ink)}

/* buttons */
.jtcsc-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:9px;padding:10px 18px;background:var(--accent);color:var(--accent-ink)!important;font-weight:700;cursor:pointer;text-decoration:none!important;min-height:44px}
.jtcsc-btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)!important;font-weight:600}
.jtcsc-btn.big{width:100%;font-size:17px;min-height:52px}
.jtcsc-btn[disabled]{opacity:.55;cursor:default}
.jtcsc-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* forms */
.jtcsc-form{display:grid;gap:14px}
.jtcsc-grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.jtcsc-f{display:flex;flex-direction:column;gap:5px;min-width:0;border:0;padding:0;margin:0}
.jtcsc-f>span,.jtcsc-f legend{font-size:13.5px;font-weight:600;color:var(--ink);padding:0}
.jtcsc-f .req{color:var(--crit)}
.jtcsc-f input,.jtcsc-f textarea,.jtcsc-form textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:9px;padding:11px 12px;font-size:16px;min-height:46px}
.jtcsc-f textarea,.jtcsc-form textarea{min-height:120px;resize:vertical;line-height:1.5}
.jtcsc-f.bad input,.jtcsc-f.bad textarea,label.bad{border-color:var(--crit)!important;box-shadow:0 0 0 2px rgba(200,65,43,.15)}
.jtcsc-check.bad{border-radius:8px;padding:4px}
.jtcsc-seg{display:flex;gap:6px;flex-wrap:wrap}
.jtcsc-seg label{position:relative;cursor:pointer}
.jtcsc-seg input{position:absolute;opacity:0;pointer-events:none}
.jtcsc-seg span{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-size:13.5px;background:#fff}
.jtcsc-seg input:checked+span{background:var(--ink);color:#fff;border-color:var(--ink)}
.jtcsc-seg .u-high input:checked+span{background:var(--crit);border-color:var(--crit)}
.jtcsc-seg input:focus-visible+span{outline:2px solid var(--info);outline-offset:2px}
.jtcsc-note{font-size:12.5px;color:var(--muted);margin-top:-6px}
.jtcsc-check{display:flex;gap:8px;align-items:flex-start;font-size:14px}
.jtcsc-check input{width:20px;height:20px;margin-top:2px;flex:none}
.jtcsc-msg{color:var(--crit);font-size:14px;min-height:1em}
.jtcsc-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}

/* uploader */
.jtcsc-up{border:2px dashed var(--line);border-radius:12px;padding:12px;background:var(--bg);display:grid;gap:10px}
.jtcsc-up.over{border-color:var(--accent);background:#FFF8E8}
.jtcsc-up-btns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.jtcsc-up-btn{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 6px;min-height:84px;cursor:pointer;font-weight:600;font-size:14px;text-align:center}
.jtcsc-up-btn .ic{font-size:26px;line-height:1}
.jtcsc-up-btn:hover{border-color:var(--accent)}
.jtcsc-up-btn input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.jtcsc-up-btn:focus-within{outline:2px solid var(--info);outline-offset:2px}
.jtcsc-up-drop{text-align:center;color:var(--muted);font-size:12.5px}
@media (hover:none){.jtcsc-up-drop{display:none}}
.jtcsc-up-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.jtcsc-up-list li{display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px}
.jtcsc-up-list .th{width:64px;height:64px;border-radius:8px;overflow:hidden;background:#222;position:relative;display:grid;place-items:center}
.jtcsc-up-list .th img,.jtcsc-up-list .th video{width:100%;height:100%;object-fit:cover}
.jtcsc-up-list .th .play{position:absolute;color:#fff;font-size:18px;text-shadow:0 1px 3px #000}
.jtcsc-up-list .th .doc{color:#fff;font:700 12px monospace}
.jtcsc-up-list .nm{font-size:13.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.jtcsc-up-list .sz{font-size:12px;color:var(--muted)}
.jtcsc-up-list .bar{height:6px;background:var(--chip);border-radius:3px;overflow:hidden;margin-top:5px}
.jtcsc-up-list .bar i{display:block;height:100%;background:var(--info);transition:width .2s}
.jtcsc-up-list li.st-done .bar i{background:var(--ok)}
.jtcsc-up-list li.st-fail,.jtcsc-up-list li.st-bad{border-color:var(--crit)}
.jtcsc-up-list li.st-fail .sz,.jtcsc-up-list li.st-bad .sz{color:var(--crit)}
.jtcsc-up-list .acts{display:flex;gap:6px;align-items:center}
.jtcsc-up-list .acts button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 10px;cursor:pointer;min-height:36px;font-size:13px}
.jtcsc-up-list .acts .x{min-width:36px}
.jtcsc-up-hint{font-size:12.5px;color:var(--muted)}
.jtcsc-up-legal{font-size:12.5px;color:var(--warn);font-weight:500}

/* done / status */
.jtcsc-done{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;display:grid;gap:12px}
.jtcsc-done .lbl{color:var(--muted);font-size:13px}
.jtcsc-done .no{font:700 clamp(24px,5vw,34px) ui-monospace,Menlo,monospace;letter-spacing:.5px}
.jtcsc-link{font:12.5px ui-monospace,Menlo,monospace;color:var(--muted);overflow-wrap:anywhere;direction:ltr;text-align:start}
.jtcsc-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px}
.jtcsc-st{display:inline-block;font-size:12.5px;font-weight:700;padding:2px 10px;border-radius:999px;background:var(--chip);color:var(--muted);vertical-align:middle}
.jtcsc-st.st-received{background:#E7EEF7;color:var(--info)}
.jtcsc-st.st-processing{background:#FCF1DC;color:#9A6608}
.jtcsc-st.st-waiting{background:#F9E3DE;color:var(--crit)}
.jtcsc-st.st-resolved{background:#E1F2E8;color:var(--ok)}
.jtcsc-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;counter-reset:s}
.jtcsc-steps li{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;font-size:13px;color:var(--muted);position:relative}
.jtcsc-steps li::before{content:"";position:absolute;top:15px;inset-inline-start:calc(-50% + 18px);inset-inline-end:calc(50% + 18px);height:3px;background:var(--line)}
.jtcsc-steps li:first-child::before{display:none}
.jtcsc-steps li.done::before,.jtcsc-steps li.cur::before{background:var(--ok)}
.jtcsc-steps i{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--chip);font-style:normal;font-weight:700;z-index:1}
.jtcsc-steps li.done i{background:var(--ok);color:#fff}
.jtcsc-steps li.cur i{background:var(--accent);color:var(--accent-ink);box-shadow:0 0 0 4px rgba(232,163,23,.25)}
.jtcsc-steps li.cur{color:var(--ink);font-weight:700}
.jtcsc-steps li.opt{opacity:.55}
.jtcsc-kv{display:grid;grid-template-columns:140px minmax(0,1fr);gap:6px 12px;margin:0 0 10px}
.jtcsc-kv dt{color:var(--muted);font-size:13px}.jtcsc-kv dd{margin:0}
.jtcsc-thread{display:grid;gap:10px}
.jtcsc-thread .ev{border-inline-start:3px solid var(--line);padding:4px 12px;display:grid;gap:4px}
.jtcsc-thread .ev time{font-size:12px;color:var(--muted)}
.jtcsc-thread .ev.you{border-color:var(--info);background:#F4F8FC;border-radius:0 8px 8px 0}
.jtcsc-thread .ev.us{border-color:var(--accent);background:#FFF9EC;border-radius:0 8px 8px 0}
.jtcsc-att{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.jtcsc-att img,.jtcsc-att video{max-width:min(260px,100%);max-height:200px;border-radius:8px;border:1px solid var(--line);background:#000}
.jtcsc-att a.f{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:13px;text-decoration:none;background:#fff}
.jtcsc-mine{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.jtcsc-mine a{display:flex;gap:8px;flex-wrap:wrap;align-items:center;border:1px solid var(--line);border-radius:10px;padding:10px 12px;text-decoration:none;color:var(--ink);background:#fff}
.jtcsc-mine time{margin-inline-start:auto;color:var(--muted);font-size:12.5px}
.jtcsc-last{margin-top:10px;font-size:14px}

/* knowledge base */
.jtcsc-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:14px 0}
.jtcsc-stats div{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.jtcsc-stats b{display:block;font:700 24px ui-monospace,Menlo,monospace}
.jtcsc-stats span{color:var(--muted);font-size:12px}
.jtcsc-stats .o b{color:var(--crit)}.jtcsc-stats .d b{color:var(--ok)}
.jtcsc-hint{font-size:12.5px;color:var(--muted);background:var(--chip);border-radius:8px;padding:8px 12px;margin-bottom:12px}
.jtcsc-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.jtcsc-tabs{display:flex;gap:3px;background:var(--chip);border-radius:9px;padding:3px}
.jtcsc-tabs button{border:0;background:transparent;padding:7px 14px;border-radius:6px;cursor:pointer;color:var(--muted);font-weight:500}
.jtcsc-tabs button[aria-selected="true"]{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.jtcsc-search{flex:1 1 220px;min-width:0;border:1px solid var(--line);border-radius:8px;padding:9px 12px;background:#fff;font-size:15px}
.jtcsc-chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.jtcsc .chip{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:999px;padding:4px 12px;cursor:pointer;font-size:13px}
.jtcsc .chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.jtcsc-list{display:grid;gap:10px}
.jtcsc-case{background:var(--panel);border:1px solid var(--line);border-inline-start:5px solid var(--info);border-radius:10px}
.jtcsc-case.high{border-inline-start-color:var(--crit)}.jtcsc-case.mid{border-inline-start-color:var(--warn)}
.jtcsc-case summary{list-style:none;cursor:pointer;padding:12px 14px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 12px}
.jtcsc-case summary::-webkit-details-marker{display:none}
.jtcsc-case h3{margin:0;font-size:15.5px}
.jtcsc-case .meta{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:12.5px}
.jtcsc-case .meta .own{color:#9A6608;font-weight:600}
.jtcsc .pills{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end;align-self:start}
.jtcsc .pill{font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px;background:var(--chip);color:var(--muted);white-space:nowrap}
.jtcsc .pill.ok{background:#E1F2E8;color:var(--ok)}.jtcsc .pill.bad{background:#F9E3DE;color:var(--crit)}.jtcsc .pill.tr{background:#E7EEF7;color:var(--info)}
.jtcsc-case .body{padding:0 14px 14px;display:grid;gap:10px}
.jtcsc-case dl{margin:0;display:grid;gap:8px}
.jtcsc .row{display:grid;grid-template-columns:96px minmax(0,1fr);gap:10px;font-size:14px}
.jtcsc .row dt{color:var(--muted);font-size:12.5px;padding-top:2px}
.jtcsc .row dd{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}
.jtcsc .row dd.err{font:12.5px ui-monospace,Menlo,monospace;background:var(--chip);padding:6px 8px;border-radius:6px;direction:ltr;text-align:start}
.jtcsc-priv{border:1px dashed var(--accent);background:#FFF8E8;border-radius:8px;padding:10px 12px;display:grid;gap:6px}
.jtcsc-priv h5{font-size:12.5px}
.jtcsc-priv dl{margin:0;display:grid;gap:6px}
.jtcsc-fb{border-top:1px solid var(--line);padding-top:10px;display:grid;gap:8px}
.jtcsc-fb h5{font-size:13px;display:flex;gap:8px;align-items:center}
.jtcsc-fb .cnt{font:600 11.5px monospace;background:var(--chip);border-radius:999px;padding:0 7px;color:var(--muted)}
.jtcsc-fb .fbi{background:var(--chip);border-radius:8px;padding:8px 10px;display:grid;gap:6px;font-size:13.5px}
.jtcsc-fb .fbi.acc{outline:1.5px solid var(--ok)}
.jtcsc-fb .fbh{display:flex;gap:8px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:12px}
.jtcsc-fb .fbh b{color:var(--ink)}
.jtcsc .lnk{border:0;background:transparent;color:var(--muted);text-decoration:underline;cursor:pointer;font-size:12px;padding:0 4px}
.jtcsc .fbform textarea{min-height:70px}
.jtcsc-docs{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px}
.jtcsc-doc{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:6px;min-width:0}
.jtcsc-doc .k{font-size:11.5px;font-weight:600;background:var(--accent);color:var(--accent-ink);align-self:flex-start;padding:1px 8px;border-radius:4px}
.jtcsc-doc h4{font-size:15px;overflow-wrap:anywhere}
.jtcsc-doc .pre{font-size:13px;color:var(--muted)}
.jtcsc-doc details summary{cursor:pointer}
.jtcsc-flow{display:grid;gap:10px}
.jtcsc-flow .step{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;display:grid;grid-template-columns:36px minmax(0,1fr);gap:12px}
.jtcsc-flow .step i{width:32px;height:32px;border-radius:8px;background:var(--steel);color:#fff;display:grid;place-items:center;font-style:normal;font-weight:700}
.jtcsc-flow .step p{color:var(--muted);font-size:14px}
.jtcsc-empty{background:var(--panel);border:1px dashed var(--line);border-radius:10px;padding:26px;text-align:center;color:var(--muted)}
.jtcsc-login{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px;text-align:center;display:grid;gap:12px}

@media (max-width:640px){
  .jtcsc-grid2{grid-template-columns:minmax(0,1fr)}
  .jtcsc-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .jtcsc .row{grid-template-columns:minmax(0,1fr)}
  .jtcsc-kv{grid-template-columns:minmax(0,1fr)}
  .jtcsc-kv dt{margin-top:6px}
  .jtcsc-up-btn{min-height:78px;font-size:13px}
  .jtcsc-steps span{font-size:11.5px}
}
@media (prefers-reduced-motion:reduce){.jtcsc *{transition:none!important}}
.jtcsc-thread .ev .jtcsc-st{justify-self:start}

/* Shared service navigation, including the logged-out knowledge base. */
.jtcsc-service-header{max-width:1100px;margin:0 auto 28px;padding:24px 20px;border-bottom:1px solid #e2e8f0;font-family:system-ui,sans-serif}.jtcsc-service-brand{display:block;text-decoration:none;color:#d92d20;font-size:23px;font-weight:800}.jtcsc-service-brand span{color:#172b4d;font-weight:600}.jtcsc-service-header nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.jtcsc-service-header nav a{display:block;padding:10px 15px;border-radius:8px;background:#f1f5f9;color:#253858;text-decoration:none;font-size:14px}.jtcsc-service-header nav a[aria-current=page],.jtcsc-service-header nav a:hover{background:#172b4d;color:#fff}.jtcsc-service-header a:focus-visible{outline:3px solid #2563eb;outline-offset:3px}@media(max-width:600px){.jtcsc-service-header{padding:18px 16px;margin-bottom:18px}.jtcsc-service-brand{font-size:20px}.jtcsc-service-header nav{gap:7px}.jtcsc-service-header nav a{padding:9px 10px;font-size:12px}}