:root{
  --orange:#ff6a00; --orange-d:#e55f00; --teal:#0891b2;
  --ink:#1f2430; --ink2:#4a5163; --ink3:#8b93a5;
  --bg:#f5f6f8; --card:#ffffff; --line:#e7e9ee;
  --green:#16a34a; --red:#dc2626; --amber:#d97706;
  --radius:14px; --shadow:0 6px 22px rgba(20,25,40,.07);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--orange-d);text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
.boot{padding:60px;text-align:center;color:var(--ink3)}

/* ---------- top bar ---------- */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar-in{max-width:1080px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.3px}
.brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#ff6a00,#ff9142);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:900}
.brand small{display:block;font-weight:500;font-size:11.5px;color:var(--ink3);letter-spacing:.5px}
.topbar .spacer{flex:1}
.who{text-align:right;font-size:12.5px;color:var(--ink2);line-height:1.35}
.who b{color:var(--ink)}
.navbtn{background:#fff;border:1px solid var(--line);border-radius:9px;padding:8px 14px;font-size:13.5px;color:var(--ink2);font-weight:600}
.navbtn:hover{border-color:var(--orange);color:var(--orange-d)}
.navbtn.primary{background:var(--orange);border-color:var(--orange);color:#fff}
.navbtn.primary:hover{background:var(--orange-d)}

/* ---------- layout ---------- */
.wrap{max-width:1080px;margin:0 auto;padding:26px 20px 60px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.card + .card{margin-top:18px}
h1.page{font-size:23px;font-weight:800;margin-bottom:4px}
.sub{color:var(--ink3);font-size:13.5px;margin-bottom:20px}

/* ---------- auth ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(160deg,#fff6ee,#f5f6f8 60%)}
.auth-card{width:100%;max-width:420px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 50px rgba(20,25,40,.1);padding:32px}
.auth-card .logo{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#ff6a00,#ff9142);display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;font-weight:900;margin-bottom:16px}
.auth-card h2{font-size:21px;font-weight:800;margin-bottom:4px}
.auth-card .sub{margin-bottom:22px}
.tabs{display:flex;background:var(--bg);border-radius:10px;padding:4px;margin-bottom:20px}
.tabs button{flex:1;border:0;background:transparent;padding:9px;border-radius:8px;font-size:14px;font-weight:700;color:var(--ink3)}
.tabs button.on{background:#fff;color:var(--orange-d);box-shadow:0 2px 8px rgba(0,0,0,.06)}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink2);margin-bottom:6px}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:15px;background:#fff;transition:border .15s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--orange)}
.btn{width:100%;background:var(--orange);color:#fff;border:0;border-radius:11px;padding:13px;font-size:15.5px;font-weight:800;margin-top:6px}
.btn:hover{background:var(--orange-d)}
.btn.ghost{background:#fff;color:var(--ink2);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--orange);color:var(--orange-d)}
.btn.sm{width:auto;padding:9px 18px;font-size:14px;border-radius:9px;margin-top:0}
.btn:disabled{opacity:.55;cursor:not-allowed}
.err{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;border-radius:9px;padding:10px 12px;font-size:13.5px;margin-bottom:14px}
.hint{font-size:12px;color:var(--ink3);margin-top:8px}
.auth-card.admin{border-top:3px solid var(--ink)}
.auth-admin{display:flex;gap:10px;align-items:flex-start;background:#eef2ff;border:1px solid #c7d2fe;color:#3730a3;border-radius:11px;padding:11px 13px;font-size:12.5px;line-height:1.6;margin:-6px 0 16px}
.auth-admin .ic{font-size:18px;flex-shrink:0;line-height:1.3}
.auth-admin b{font-weight:800}

/* ---------- progress / stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;text-align:center;box-shadow:var(--shadow)}
.stat .v{font-size:28px;font-weight:900;color:var(--orange-d);line-height:1.1}
.stat .l{font-size:12.5px;color:var(--ink3);margin-top:6px}
.progressbar{height:9px;background:var(--bg);border-radius:20px;overflow:hidden;margin:6px 0 22px}
.progressbar > i{display:block;height:100%;background:linear-gradient(90deg,#ff8f4d,#ff6a00);border-radius:20px}

/* ---------- lab list ---------- */
.tier-h{font-size:14px;font-weight:800;color:var(--ink2);margin:22px 0 12px;display:flex;align-items:center;gap:8px}
.tier-h:first-child{margin-top:0}
.tier-h .dot{width:8px;height:8px;border-radius:50%;background:var(--orange)}
.labgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.lab{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;cursor:pointer;transition:.15s;display:flex;gap:14px;align-items:flex-start}
.lab:hover{border-color:var(--orange);box-shadow:0 6px 18px rgba(255,106,0,.1);transform:translateY(-1px)}
.lab .code{flex-shrink:0;width:42px;height:42px;border-radius:10px;background:#fff2e8;color:var(--orange-d);font-weight:900;font-size:14px;display:flex;align-items:center;justify-content:center}
.lab.done .code{background:#e7f6ec;color:var(--green)}
.lab.fail .code{background:#fdeaea;color:var(--red)}
.lab .body{flex:1;min-width:0}
.lab .nm{font-weight:700;font-size:15px;margin-bottom:3px}
.lab .gl{font-size:12.5px;color:var(--ink3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lab .badge{font-size:12px;font-weight:700;padding:2px 9px;border-radius:20px;white-space:nowrap;margin-top:2px}
.badge.pass{background:#e7f6ec;color:var(--green)}
.badge.fail{background:#fdeaea;color:var(--red)}
.badge.todo{background:var(--bg);color:var(--ink3)}
/* ---------- stage banner ---------- */
.stage{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px 6px;margin:20px 0 0}
.stage:first-of-type{margin-top:6px}
.stage-hd{display:flex;align-items:center;gap:12px}
.stage-no{flex-shrink:0;width:34px;height:34px;border-radius:9px;background:var(--orange);color:#fff;font-weight:900;font-size:15px;display:flex;align-items:center;justify-content:center}
.stage-titles{flex:1;min-width:0}
.stage-nm{font-size:16px;font-weight:900;color:var(--ink)}
.stage-goal{font-size:12.5px;color:var(--orange-d);margin-top:2px}
.stage-cnt{flex-shrink:0;font-size:12.5px;font-weight:800;color:var(--ink3)}
.stage.done .stage-cnt{color:var(--green)}
.stage-desc{font-size:12.5px;color:var(--ink3);line-height:1.6;margin:10px 0 12px}
.stage-bar{height:7px;background:var(--bg);border-radius:20px;overflow:hidden;margin-bottom:14px}
.stage-bar > i{display:block;height:100%;background:linear-gradient(90deg,#ff8f4d,#ff6a00);border-radius:20px}
.stage .labgrid{padding-bottom:8px}
/* ---------- stage tabs ---------- */
.stage-tabs{display:flex;gap:10px;margin:6px 0 18px;overflow-x:auto;padding-bottom:2px}
.stab{flex:1;min-width:150px;text-align:left;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;transition:.15s;display:flex;align-items:center;gap:11px;font-family:inherit}
.stab:hover{border-color:var(--orange);box-shadow:0 4px 12px rgba(255,106,0,.08)}
.stab.on{border-color:var(--orange);box-shadow:0 6px 16px rgba(255,106,0,.14)}
.stab .sn{flex-shrink:0;width:30px;height:30px;border-radius:9px;background:var(--bg);color:var(--ink3);font-weight:900;font-size:14px;display:flex;align-items:center;justify-content:center;transition:.15s}
.stab.on .sn{background:var(--orange);color:#fff}
.stab.done .sn{background:var(--green);color:#fff}
.stab .stx{flex:1;min-width:0}
.stab .stn{font-size:13.5px;font-weight:800;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stab .stp{font-size:11.5px;color:var(--ink3);margin-top:3px;white-space:nowrap}
.stab.on .stp{color:var(--orange-d);font-weight:700}

/* ---------- lab detail ---------- */
.back{font-size:13.5px;color:var(--ink3);cursor:pointer;margin-bottom:14px;display:inline-flex;align-items:center;gap:6px}
.back:hover{color:var(--orange-d)}
.steps{margin:8px 0 4px;padding-left:2px}
.steps li{list-style:none;padding:8px 0 8px 30px;position:relative;font-size:14px;color:var(--ink2);border-bottom:1px dashed var(--line)}
.steps li:last-child{border-bottom:0}
.steps li:before{content:counter(s);counter-increment:s;position:absolute;left:0;top:8px;width:20px;height:20px;border-radius:50%;background:var(--orange);color:#fff;font-size:11.5px;font-weight:800;display:flex;align-items:center;justify-content:center}
.steps{counter-reset:s}
.rubric{margin-top:8px}
.rubric .r{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13.5px}
.rubric .r:last-child{border-bottom:0}
.rubric .r .pts{color:var(--orange-d);font-weight:800;white-space:nowrap}
.section-t{font-size:14px;font-weight:800;color:var(--ink);margin:22px 0 10px;padding-left:10px;border-left:3px solid var(--orange)}
.checklist label{display:flex;align-items:flex-start;gap:10px;padding:9px 0;font-size:14px;color:var(--ink2);cursor:pointer}
.checklist input{margin-top:3px;width:17px;height:17px;accent-color:var(--orange)}
.filebox{border:1.5px dashed var(--line);border-radius:11px;padding:18px;text-align:center;background:#fcfcfd;cursor:pointer;transition:.15s}
.filebox:hover{border-color:var(--orange);background:#fff8f2}
.filebox .big{font-size:14px;font-weight:700;color:var(--ink2)}
.filebox .small{font-size:12px;color:var(--ink3);margin-top:4px}
.filelist{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}
.filechip{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:5px 10px;font-size:12.5px;color:var(--ink2);display:flex;align-items:center;gap:7px}
.filechip span{cursor:pointer;color:var(--ink3);font-weight:800}
.filechip span:hover{color:var(--red)}

/* ---------- score card ---------- */
.score-hero{border-radius:var(--radius);padding:26px;text-align:center;color:#fff;margin-bottom:18px}
.score-hero.pass{background:linear-gradient(135deg,#16a34a,#22c55e)}
.score-hero.fail{background:linear-gradient(135deg,#ea580c,#f97316)}
.score-hero .num{font-size:52px;font-weight:900;line-height:1}
.score-hero .num small{font-size:20px;font-weight:700;opacity:.85}
.score-hero .verdict{font-size:16px;font-weight:800;margin-top:8px}
.score-hero .sum{font-size:13px;opacity:.92;margin-top:6px}
.detail-row{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.detail-row:last-child{border-bottom:0}
.detail-row .ic{width:22px;height:22px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;color:#fff}
.detail-row .ic.hit{background:var(--green)}
.detail-row .ic.miss{background:#cbd2dd}
.detail-row .lbl{flex:1}
.detail-row .note{font-size:12px;color:var(--ink3)}
.detail-row .got{font-weight:800;white-space:nowrap}
.improve{background:#fff8f2;border:1px solid #ffe0c7;border-radius:11px;padding:14px 16px;margin-bottom:10px}
.improve .t{font-weight:800;font-size:14px;color:var(--orange-d);display:flex;justify-content:space-between}
.improve .s{font-size:13.5px;color:var(--ink2);margin-top:5px}
.improve .c{font-size:12px;color:var(--ink3);margin-top:6px}
.improve .c b{color:var(--teal)}

/* ---------- table ---------- */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}
th{font-size:12.5px;color:var(--ink3);font-weight:700;background:#fafbfc}
tr:hover td{background:#fcfcfd}
.tag{font-size:11.5px;font-weight:700;padding:2px 9px;border-radius:20px}
.tag.g{background:#e7f6ec;color:var(--green)}
.tag.r{background:#fdeaea;color:var(--red)}
.tag.n{background:var(--bg);color:var(--ink3)}
.rowbtn{background:#fff;border:1px solid var(--line);border-radius:8px;padding:5px 12px;font-size:12.5px;font-weight:700;color:var(--ink2)}
.rowbtn:hover{border-color:var(--orange);color:var(--orange-d)}
.mini{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.mini i{width:22px;height:22px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:10.5px;font-weight:800;font-style:normal;background:var(--bg);color:var(--ink3)}
.mini i.pass{background:#e7f6ec;color:var(--green)}
.mini i.fail{background:#fdeaea;color:var(--red)}
.empty{text-align:center;color:var(--ink3);padding:40px 20px;font-size:14px}
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#1f2430;color:#fff;padding:12px 22px;border-radius:10px;font-size:14px;z-index:100;box-shadow:0 8px 24px rgba(0,0,0,.2);opacity:0;transition:.25s;pointer-events:none}
.toast.on{opacity:1}
@media(max-width:720px){
  .labgrid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .topbar-in{padding:12px 14px;gap:10px}
  .who{display:none}
  .wrap{padding:18px 14px 50px}
}

/* ICP 备案页脚（合规：备案号悬挂 + 链接工信部） */
.icp-footer{margin-top:8px;padding:20px 16px 28px;text-align:center;font-size:12px;color:var(--ink3);border-top:1px solid var(--line);background:transparent}
.icp-footer a{color:var(--ink3);text-decoration:none;letter-spacing:.3px}
.icp-footer a:hover{color:var(--orange-d);text-decoration:underline}