:root{
  --bg:#f6f7f9; --card:#fff; --ink:#1b2330; --muted:#6b7280; --line:#e6e8ec;
  --primary:#2563eb; --primary-d:#1d4ed8; --risk:#dc2626; --sens:#b45309;
  --ok:#16a34a; --soft:#eef4ff;
  --radius:12px; --shadow:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6;font-size:15px}
a{color:var(--primary);text-decoration:none}
h1{font-size:26px;margin:0 0 12px;letter-spacing:-.01em}
h2{font-size:19px;margin:26px 0 12px}
h3{font-size:16px;margin:18px 0 8px}
.muted{color:var(--muted)} .small{font-size:13px}
.center{text-align:center}
.req{color:var(--risk);margin-left:3px}

/* topbar */
.topbar{display:flex;justify-content:space-between;align-items:center;
  padding:13px 22px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand{font-weight:700;color:var(--ink);font-size:16px}
.brand .logo{color:var(--primary);margin-right:4px}
.topbar nav{display:flex;align-items:center;gap:18px}
.topbar nav a{color:var(--ink);font-size:14px}
.muted-link{color:var(--muted)!important}

/* buttons */
.btn-primary{display:inline-block;background:var(--primary);color:#fff;padding:11px 20px;border-radius:10px;
  border:0;font-size:15px;font-weight:600;cursor:pointer;transition:.15s}
.btn-primary:hover{background:var(--primary-d)}
.btn-primary.lg{padding:14px 26px;font-size:16px}
.btn-primary.block{width:100%}
.btn-ghost{display:inline-block;background:#fff;color:var(--ink);padding:10px 18px;border-radius:10px;
  border:1px solid var(--line);font-size:15px;cursor:pointer;text-decoration:none}
.btn-ghost:hover{border-color:#cbd2dc}
.btn-ghost.lg{padding:13px 22px}

.container{max-width:920px;margin:26px auto;padding:0 18px}
.footer{max-width:920px;margin:36px auto 50px;padding:18px;color:var(--muted);font-size:12.5px;border-top:1px solid var(--line)}

/* flash */
.flash-wrap{max-width:920px;margin:12px auto 0;padding:0 18px}
.flash{padding:10px 14px;border-radius:10px;margin:6px 0;font-size:14px}
.flash-error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
.flash-success{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534}

/* hero */
.hero{background:linear-gradient(180deg,#fff,#fbfcfe);border:1px solid var(--line);border-radius:18px;
  padding:40px 34px;box-shadow:var(--shadow)}
.pill{display:inline-block;background:var(--soft);color:var(--primary);font-size:13px;font-weight:600;
  padding:5px 12px;border-radius:999px;margin-bottom:14px}
.hero h1{font-size:34px;line-height:1.25;margin:0 0 14px}
.hero .hl{color:var(--primary)}
.lead{font-size:16.5px;color:#3b4350;max-width:680px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}

.how{margin-top:34px}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:14px}
.s3{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.s3n{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:50%;
  background:var(--primary);color:#fff;font-weight:700;margin-bottom:8px}
.s3 h3{margin:4px 0}
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.trust .t{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;font-size:14px;color:#43505f}
.trust .t strong{display:block;color:var(--ink);margin-bottom:4px}

/* page head */
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}
.head-actions{display:flex;gap:10px}

/* dashboard */
.empty{background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);padding:30px;text-align:center;margin-top:18px}
.card-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:18px}
.app-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);color:var(--ink)}
.app-card:hover{border-color:#cbd2dc}
.ac-top{display:flex;justify-content:space-between;align-items:center}
.ac-name{font-weight:700}
.ac-meta{color:var(--muted);font-size:13px;margin-top:6px}
.link{color:var(--primary)}
.badge{font-size:12px;padding:3px 9px;border-radius:999px}
.badge-draft{background:#f1f5f9;color:#475569}
.badge-processing{background:#fef3c7;color:#92400e}
.badge-delivered{background:#dcfce7;color:#166534}
.progress{height:7px;background:#eef1f5;border-radius:999px;overflow:hidden;margin:10px 0 4px}
.progress-bar{height:100%;background:var(--primary);border-radius:999px;transition:width .3s}

/* wizard */
.wizard{display:grid;grid-template-columns:230px 1fr;gap:26px;align-items:start}
.stepper{position:sticky;top:78px}
.stepper ol{list-style:none;margin:14px 0 0;padding:0}
.stepper li{margin:2px 0}
.stepper li a{display:flex;align-items:center;gap:9px;color:var(--muted);padding:7px 8px;border-radius:8px;font-size:14px}
.stepper li a:hover{background:#fff}
.stepper li.cur a{color:var(--ink);font-weight:600;background:var(--soft)}
.stepper li.done a{color:var(--ink)}
.stepper .dot{display:inline-flex;width:22px;height:22px;flex:0 0 22px;align-items:center;justify-content:center;border-radius:50%;
  background:#e8ebf0;color:var(--muted);font-size:12px;font-weight:700}
.stepper li.done .dot{background:var(--ok);color:#fff}
.stepper li.cur .dot{background:var(--primary);color:#fff}
.stepper .review-step{color:var(--muted);display:flex;align-items:center;gap:9px;padding:7px 8px;font-size:14px}
.stepper .review-step .dot{background:#e8ebf0;color:var(--muted)}

/* forms */
.qform{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}
.wizard-main h1{margin-top:0}
.field{margin:18px 0}
.field:first-child{margin-top:8px}
.field>label{font-weight:600;display:block;margin-bottom:5px}
.field input,.field textarea,.field select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;
  font-size:15px;font-family:inherit;background:#fff;transition:.15s}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.field.ft-high_risk{border-left:3px solid var(--risk);padding-left:14px}
.field.ft-sensitive{border-left:3px solid var(--sens);padding-left:14px}
.help{color:var(--muted);font-size:13px;margin:3px 0 6px}
.options .opt{display:inline-block;margin:4px 16px 4px 0;font-weight:400}
.opt input{width:auto;margin-right:6px}
.opt.tos{display:block;margin:10px 0;font-size:14px;line-height:1.5}
.tag-risk{background:#fee2e2;color:var(--risk);font-size:12px;padding:1px 8px;border-radius:6px;margin-left:6px;white-space:nowrap}
.tag-sens{background:#fef3c7;color:var(--sens);font-size:12px;padding:1px 8px;border-radius:6px;margin-left:6px;white-space:nowrap}
.risk-warn{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;font-size:13px;padding:8px 11px;border-radius:8px;margin:6px 0}
.traps{margin:6px 0;font-size:13px}
.traps summary{cursor:pointer;color:var(--sens)}
.traps ul{margin:6px 0 0;padding-left:18px}
.wizard-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:22px}
.savebar{margin:6px 0 4px}
.savepill{display:inline-block;font-size:12.5px;color:var(--muted);background:#f1f5f9;border:1px solid var(--line);padding:3px 10px;border-radius:999px}
.savepill.ok{color:#166534;background:#dcfce7;border-color:#bbf7d0}
.savepill.err{color:#991b1b;background:#fef2f2;border-color:#fecaca}
.guard-box{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af;font-size:13px;padding:7px 11px;border-radius:8px;margin:6px 0}
.guard-warn{background:#fffbeb;border:1px solid #fde68a;color:#92400e;font-size:13px;padding:7px 11px;border-radius:8px;margin:6px 0}
.rep-rows{margin:4px 0}
.rep-row{border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:8px 0;background:#fbfcfe}
.rep-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.rep-no{font-weight:600;font-size:13px;color:var(--muted)}
.rep-del{background:none;border:0;color:var(--risk);cursor:pointer;font-size:13px}
.rep-sub{display:block;font-size:13px;color:#3b4350;margin:7px 0}
.rep-sub input,.rep-sub textarea{width:100%;margin-top:3px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit}
.rep-add{margin-top:2px;font-size:14px;padding:7px 14px}
.rep-view{border:1px solid var(--line);border-radius:8px;padding:8px 10px;margin:6px 0;background:#fff;font-size:13px}
.rep-view>b{display:block;margin-bottom:4px;font-size:12px;color:var(--muted)}
.rep-view .sub{color:var(--muted)}

/* panels / findings */
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);margin:16px 0}
.count{font-size:13px;color:var(--sens);font-weight:600;margin-left:6px}
.count.ok{color:var(--ok)}
.finding{padding:9px 12px;border-radius:8px;margin:8px 0;font-size:14px}
.sev-high{background:#fef2f2;border:1px solid #fecaca}
.sev-medium{background:#fffbeb;border:1px solid #fde68a}
.sev-low{background:#f0fdf4;border:1px solid #bbf7d0}
.confirm-row{background:#fbfcfe;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:10px 0}
.confirm-row.ft-high_risk{border-left:3px solid var(--risk)}
.cf-q{font-weight:600}
.cf-zh,.cf-en{font-size:14px;color:#3b4350;margin-top:4px}
.cf-chk{display:block;margin-top:9px;font-size:14px}
.cf-chk input{margin-right:6px}

/* tabs + deliverable */
.deliver-banner{background:#eef9f1;border:1px solid #bbf7d0;color:#166534;padding:12px 14px;border-radius:10px;margin-bottom:16px;font-size:14px}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin:18px 0 0;flex-wrap:wrap}
.tab{background:none;border:0;border-bottom:2px solid transparent;padding:10px 14px;font-size:15px;color:var(--muted);cursor:pointer}
.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
.tabpane{display:none;padding-top:6px}
.tabpane.active{display:block}
table.fillpack{width:100%;border-collapse:collapse;background:var(--card);font-size:14px;border-radius:10px;overflow:hidden;box-shadow:var(--shadow)}
table.fillpack th,table.fillpack td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top}
table.fillpack th{background:#f3f5f8;font-weight:600}
table.fillpack td.val{font-weight:600}
table.fillpack td.note{color:#56606e}
.ck{text-align:center;color:var(--muted)}
.matlist{list-style:none;padding:0}
.matlist li{display:flex;justify-content:space-between;gap:14px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;margin:7px 0;background:#fff}
.matlist .mi{font-weight:600}
.matlist .mw{text-align:right;flex:0 0 50%}
.checklist{list-style:none;padding:0}
.checklist li{padding:8px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.cbox{margin-right:6px}
.iv-frame{background:var(--soft);border:1px solid #dbe6ff;border-radius:10px;padding:12px 16px;margin:10px 0}
.iv-frame p{margin:4px 0;font-size:14px}
.ivlist{padding-left:20px}.ivlist li{margin:6px 0}

/* misc */
.cta-box{background:var(--card);border:1px dashed var(--primary);border-radius:var(--radius);padding:20px;margin-top:24px;text-align:center}
.auth-card{max-width:420px;margin:10px auto}
.errbox{text-align:center;padding:50px 0}
.errcode{font-size:64px;font-weight:800;color:var(--primary)}
.stcard{max-width:640px}

/* print */
.printbody{background:#fff}
.print-toolbar{display:flex;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff}
.print-doc{max-width:820px;margin:24px auto;padding:0 18px}
@media print{
  .no-print{display:none!important}
  .print-doc{margin:0;max-width:none}
  table.fillpack{box-shadow:none;font-size:12px}
  table.fillpack th{background:#eee!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  h2{page-break-after:avoid}
  tr{page-break-inside:avoid}
}

/* responsive */
@media (max-width:760px){
  .wizard{grid-template-columns:1fr}
  .stepper{position:static}
  .stepper ol{display:flex;flex-wrap:wrap;gap:4px}
  .stepper li a span:not(.dot){display:none}
  .stepper .review-step{display:none}
  .steps3,.trust{grid-template-columns:1fr}
  .hero h1{font-size:27px}
  .matlist li{flex-direction:column;gap:2px}.matlist .mw{text-align:left;flex:none}
  .page-head{align-items:flex-start}
}