:root {
  --blue-900:#0b3b8c; --blue-800:#1250b5; --blue-700:#1565d8; --blue-600:#1e7bf5;
  --blue-500:#3d93ff; --blue-100:#dbeafe; --blue-50:#eff6ff;
  --ink-900:#0f1f3d; --ink-700:#33436b; --ink-500:#64748b; --ink-300:#94a3b8;
  --bg:#f5f8fe; --card:#ffffff; --line:#e3ebf7;
  --green:#10b981; --amber:#f59e0b; --red:#ef4444;
  --shadow:0 6px 24px rgba(21,80,181,.08);
  --radius:14px;
}
* { box-sizing:border-box; margin:0; padding:0; }
:focus-visible { outline:2.5px solid var(--blue-500); outline-offset:2px; border-radius:6px; }
@media (prefers-reduced-motion: reduce) { * { animation:none !important; transition:none !important; } }
body { font-family:'Inter',-apple-system,'Segoe UI',Roboto,'PingFang SC','Microsoft YaHei',sans-serif;
  background:var(--bg); color:var(--ink-900); min-height:100vh; display:flex; flex-direction:column; }
.wrap { max-width:1120px; margin:0 auto; padding:0 24px; width:100%; }
main { flex:1; padding-bottom:56px; }

/* ---------- 顶栏 ---------- */
.topbar { background:rgba(255,255,255,.86); backdrop-filter:blur(10px); border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:50; }
.topbar-inner { display:flex; align-items:center; gap:28px; height:62px; }
.brand { display:flex; align-items:center; gap:9px; font-weight:800; font-size:19px; color:var(--ink-900); text-decoration:none; }
.brand-mark { width:30px; height:30px; border-radius:9px; display:inline-block; }
.brand-tag { font-size:11px; font-weight:600; color:var(--blue-700); background:var(--blue-50); border:1px solid var(--blue-100);
  padding:2px 8px; border-radius:999px; margin-left:2px; }
.nav { display:flex; gap:4px; flex:1; }
.nav a { text-decoration:none; color:var(--ink-500); font-size:14px; font-weight:500; padding:7px 13px; border-radius:9px; }
.nav a:hover { color:var(--blue-700); background:var(--blue-50); }
.nav a.active { color:var(--blue-700); background:var(--blue-50); font-weight:600; }
.topbar-right { display:flex; align-items:center; gap:10px; }

/* ---------- 通用 ---------- */
.pill { display:inline-flex; align-items:center; gap:6px; font-size:12px; font-weight:600; padding:4px 11px; border-radius:999px; }
.pill-soft { background:var(--blue-50); color:var(--blue-700); border:1px solid var(--blue-100); }
.pill-green { background:#ecfdf5; color:#047857; border:1px solid #a7f3d0; }
.pill-amber { background:#fffbeb; color:#b45309; border:1px solid #fde68a; }
.pill-red   { background:#fef2f2; color:#b91c1c; border:1px solid #fecaca; }
.pill-gray  { background:#f1f5f9; color:var(--ink-500); border:1px solid var(--line); }
.dot { width:7px; height:7px; border-radius:50%; display:inline-block; }
.dot-green { background:var(--green); box-shadow:0 0 0 3px rgba(16,185,129,.18); }

.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; border:none; cursor:pointer;
  font-family:inherit; font-weight:600; font-size:14px; border-radius:11px; padding:11px 20px; transition:.15s; text-decoration:none; }
.btn-primary { background:linear-gradient(135deg,var(--blue-600),var(--blue-800)); color:#fff; box-shadow:0 4px 14px rgba(30,123,245,.3); }
.btn-primary:hover { transform:translateY(-1px); box-shadow:0 6px 18px rgba(30,123,245,.4); }
.btn-ghost { background:#fff; color:var(--blue-700); border:1.5px solid var(--blue-100); }
.btn-ghost:hover { border-color:var(--blue-500); }
.btn-lg { padding:14px 28px; font-size:15px; }
.btn:disabled { opacity:.5; cursor:not-allowed; transform:none; }

.card { background:var(--card); border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow); }
.card-pad { padding:26px; }
.grid { display:grid; gap:18px; }
.g2 { grid-template-columns:repeat(2,1fr); } .g3 { grid-template-columns:repeat(3,1fr); } .g4 { grid-template-columns:repeat(4,1fr); }
@media (max-width:860px){ .g2,.g3,.g4 { grid-template-columns:1fr; } }

.field { display:flex; flex-direction:column; gap:6px; margin-bottom:14px; }
.field label { font-size:13px; font-weight:600; color:var(--ink-700); }
.field input,.field select { font-family:inherit; font-size:14px; padding:11px 13px; border:1.5px solid var(--line);
  border-radius:10px; outline:none; background:#fff; color:var(--ink-900); }
.field input:focus,.field select:focus { border-color:var(--blue-500); box-shadow:0 0 0 3px rgba(61,147,255,.15); }
.hint { font-size:12px; color:var(--ink-500); }
.muted { color:var(--ink-500); }
.small { font-size:12.5px; }

/* ---------- 首页 ---------- */
.hero { padding:74px 0 54px; text-align:center; background:
  radial-gradient(720px 320px at 50% -80px, rgba(30,123,245,.14), transparent), var(--bg); }
.hero h1 { font-size:44px; font-weight:800; letter-spacing:-1px; line-height:1.15; }
.hero h1 em { font-style:normal; background:linear-gradient(120deg,var(--blue-600),var(--blue-500));
  -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero p { margin:16px auto 30px; max-width:640px; color:var(--ink-500); font-size:16.5px; line-height:1.7; }
.hero-cta { display:flex; gap:14px; justify-content:center; }
.trust { display:flex; gap:10px; justify-content:center; flex-wrap:wrap; margin-top:34px; }
.section { padding:44px 0 8px; }
.section h2 { font-size:26px; font-weight:800; margin-bottom:6px; }
.section .sub { color:var(--ink-500); margin-bottom:22px; font-size:14.5px; }
.feature { padding:22px; }
.feature .fic { width:42px; height:42px; border-radius:11px; display:grid; place-items:center; font-size:20px;
  background:var(--blue-50); border:1px solid var(--blue-100); margin-bottom:12px; }
.feature h3 { font-size:15.5px; font-weight:700; margin-bottom:6px; }
.feature p { font-size:13.5px; color:var(--ink-500); line-height:1.65; }

/* ---------- 向导 ---------- */
.steps { display:flex; gap:0; margin:34px 0 26px; }
.step { flex:1; text-align:center; position:relative; }
.step::before { content:''; position:absolute; top:15px; left:-50%; width:100%; height:2px; background:var(--line); z-index:0; }
.step:first-child::before { display:none; }
.step .bubble { position:relative; z-index:1; width:31px; height:31px; margin:0 auto 7px; border-radius:50%;
  display:grid; place-items:center; font-size:13px; font-weight:700; background:#fff; border:2px solid var(--line); color:var(--ink-300); }
.step .lbl { font-size:12.5px; color:var(--ink-300); font-weight:600; }
.step.done .bubble { background:var(--green); border-color:var(--green); color:#fff; }
.step.done .lbl { color:var(--green); }
.step.now .bubble { background:var(--blue-600); border-color:var(--blue-600); color:#fff; box-shadow:0 0 0 5px rgba(30,123,245,.15); }
.step.now .lbl { color:var(--blue-700); }
.step.done::before,.step.now::before { background:var(--green); }

.upload-zone { border:2px dashed var(--blue-100); border-radius:var(--radius); background:var(--blue-50);
  padding:34px; text-align:center; cursor:pointer; transition:.15s; }
.upload-zone:hover { border-color:var(--blue-500); background:#e8f1fe; }
.upload-zone img { max-width:100%; max-height:260px; border-radius:10px; box-shadow:var(--shadow); }
.check-row { display:flex; align-items:flex-start; gap:11px; padding:12px 14px; border:1px solid var(--line);
  border-radius:11px; margin-bottom:9px; background:#fff; }
.check-row .ic { width:26px; height:26px; border-radius:50%; display:grid; place-items:center; font-size:13px; flex-shrink:0; margin-top:1px; }
.ic-pass { background:#ecfdf5; color:var(--green); } .ic-fail { background:#fef2f2; color:var(--red); }
.check-row b { font-size:13.5px; display:block; } .check-row span { font-size:12.5px; color:var(--ink-500); }
.check-row .sc { margin-left:auto; font-weight:700; font-size:13px; flex-shrink:0; }

.scorebar { height:9px; background:var(--line); border-radius:99px; overflow:hidden; }
.scorebar i { display:block; height:100%; border-radius:99px; background:linear-gradient(90deg,var(--blue-500),var(--blue-700)); }

/* ---------- 活体 ---------- */
.liveness-stage { position:relative; border-radius:var(--radius); overflow:hidden; background:#0a1530;
  aspect-ratio:3/4; max-width:440px; margin:0 auto; display:grid; place-items:center; }
.liveness-stage video, .liveness-stage canvas.liveview { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.flash-overlay { position:absolute; inset:0; pointer-events:none; mix-blend-mode:screen; opacity:.92; }
/* 全屏变光（Sumsub 式整屏光反射挑战），结束后自动缩小退场 */
.flash-overlay.fs { position:fixed; inset:0; z-index:600; mix-blend-mode:normal; opacity:1; transition:transform .55s cubic-bezier(.55,.06,.35,1), opacity .55s; }
.flash-overlay.fs.shrink { transform:scale(.18) translateY(120vh); opacity:0; }
/* 全屏变光：椭圆脸形居中取景，其余区域整屏变光 */
#flash video { display:none; }
#flash.fs video { display:block !important; position:absolute; left:50%; top:50%; transform:translate(-50%,-50%) scaleX(-1);
  width:min(280px,56vw); aspect-ratio:4/5; object-fit:cover; border-radius:50% / 50%;
  border:3px solid rgba(255,255,255,.9); box-shadow:0 0 0 10px rgba(255,255,255,.16), 0 12px 40px rgba(0,0,0,.35); }
/* 分步动作引导浮层 */
.motion-hint { position:absolute; left:50%; top:14px; transform:translateX(-50%); background:rgba(255,255,255,.95);
  border-radius:999px; padding:9px 18px; font-size:14.5px; font-weight:600; color:var(--ink-900);
  display:flex; align-items:center; gap:10px; box-shadow:0 6px 20px rgba(0,0,0,.2); white-space:nowrap; z-index:5; }
.motion-hint .ma { font-size:26px; line-height:1; color:var(--blue-600); }
.motion-hint.ok .ma { color:var(--green); }
.face-ring { position:absolute; left:50%; top:50%; transform:translate(-50%,-52%); width:62%; aspect-ratio:4/5;
  border:3px dashed rgba(255,255,255,.85); border-radius:50% / 50%; pointer-events:none; }
.live-hud { position:absolute; left:0; right:0; bottom:0; padding:14px 18px; color:#fff; font-size:14px; font-weight:600;
  background:linear-gradient(transparent, rgba(5,12,35,.75)); text-align:center; z-index:2; }

/* ---------- 结果 ---------- */
.result-hero { text-align:center; padding:34px 20px 28px; }
.result-ic { width:74px; height:74px; border-radius:50%; display:grid; place-items:center; font-size:34px; margin:0 auto 14px; }
.ri-green { background:#ecfdf5; color:var(--green); } .ri-amber { background:#fffbeb; color:var(--amber); } .ri-red { background:#fef2f2; color:var(--red); }

/* ---------- 看板 ---------- */
.stat { padding:20px 22px; }
.stat .n { font-size:30px; font-weight:800; letter-spacing:-.5px; }
.stat .l { font-size:13px; color:var(--ink-500); font-weight:600; margin-top:2px; }
table.tbl { width:100%; border-collapse:collapse; font-size:13.5px; }
.tbl th { text-align:left; padding:11px 14px; color:var(--ink-500); font-size:12px; font-weight:700;
  text-transform:uppercase; letter-spacing:.4px; border-bottom:1px solid var(--line); background:#fafcff; }
.tbl td { padding:13px 14px; border-bottom:1px solid var(--line); }
.tbl tr:hover td { background:var(--blue-50); cursor:pointer; }

/* ---------- 模态 ---------- */
.modal-mask { position:fixed; inset:0; background:rgba(10,25,60,.45); backdrop-filter:blur(3px); z-index:100;
  display:grid; place-items:center; padding:20px; }
.modal { background:#fff; border-radius:16px; max-width:860px; width:100%; max-height:88vh; overflow:auto; box-shadow:0 20px 60px rgba(10,30,80,.3); }
.modal-head { display:flex; align-items:center; justify-content:space-between; padding:18px 24px; border-bottom:1px solid var(--line);
  position:sticky; top:0; background:#fff; z-index:2; }
.modal-body { padding:24px; }
.modal img { max-width:100%; border-radius:10px; border:1px solid var(--line); }

.consent { display:flex; gap:10px; align-items:flex-start; background:var(--blue-50); border:1px solid var(--blue-100);
  border-radius:11px; padding:13px 15px; font-size:12.5px; color:var(--ink-700); margin:16px 0; line-height:1.6; }
.consent input { margin-top:3px; }

.toast { position:fixed; bottom:26px; left:50%; transform:translateX(-50%); background:var(--ink-900); color:#fff;
  padding:12px 22px; border-radius:11px; font-size:14px; font-weight:600; z-index:200; box-shadow:0 8px 30px rgba(0,0,0,.3); animation:up .25s; }
@keyframes up { from { opacity:0; transform:translate(-50%,10px);} to { opacity:1; transform:translate(-50%,0);} }

.spin { display:inline-block; width:16px; height:16px; border:2.5px solid rgba(255,255,255,.35); border-top-color:#fff; border-radius:50%; animation:sp .7s linear infinite; }
#global-loading .spin { border-color:rgba(37,99,235,.25); border-top-color:var(--blue-600); }
@keyframes sp { to { transform:rotate(360deg);} }

/* 弱网全屏加载遮罩 */
#global-loading { position:fixed; inset:0; z-index:950; background:rgba(248,250,252,.72); backdrop-filter:blur(2px); display:flex; align-items:center; justify-content:center; }
#global-loading .gl-box { text-align:center; color:var(--blue-700); font-size:13px; }
#global-loading .gl-box p { margin-top:10px; }

/* 语言选择器（顶栏与申请端品牌栏共用） */
.lang-sel { font-family:inherit; font-size:12.5px; padding:6px 9px; border:1.5px solid var(--line); border-radius:9px; color:var(--ink-700); background:#fff; }

/* 申请端（被验证者）模式：隐藏运营顶栏与页脚，显示品牌栏 */
body.applicant .topbar, body.applicant .footer { display:none; }
body.applicant main { padding-top:24px; }
#applicant-bar { display:none; }
body.applicant #applicant-bar { display:flex; align-items:center; justify-content:space-between; max-width:1120px; margin:0 auto; padding:16px 24px 0; }
#applicant-bar .ab-brand { display:flex; align-items:center; gap:8px; font-weight:800; font-size:17px; color:var(--ink-900); }
#applicant-bar .brand-mark { width:26px; height:26px; border-radius:8px; }
#applicant-bar .ab-tag { font-size:11px; font-weight:600; color:var(--blue-700); background:var(--blue-50); border:1px solid var(--blue-100); padding:2px 8px; border-radius:999px; }
#applicant-bar .ab-org { font-size:13px; font-weight:600; color:var(--ink-500); }

/* 后台侧边栏布局 */
.adm { display:grid; grid-template-columns:220px 1fr; gap:22px; align-items:start; margin-top:26px; }
@media (max-width:860px){ .adm { grid-template-columns:1fr; } }
.side { background:#fff; border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow); padding:14px 10px; position:sticky; top:82px; }
.side .s-user { padding:8px 12px 14px; border-bottom:1px solid var(--line); margin-bottom:8px; }
.side .s-user b { font-size:14px; display:block; } .side .s-user span { font-size:12px; color:var(--ink-500); }
.side a { display:flex; align-items:center; gap:9px; padding:10px 12px; border-radius:10px; font-size:13.5px; font-weight:600; color:var(--ink-500); cursor:pointer; text-decoration:none; }
.side a:hover { background:var(--blue-50); color:var(--blue-700); }
.side a.on { background:var(--blue-50); color:var(--blue-700); }
.side a .n { margin-left:auto; font-size:11px; background:var(--blue-600); color:#fff; border-radius:99px; padding:1px 8px; }
.adm-sec { display:none; } .adm-sec.on { display:block; }
.adm-sec .card { margin-bottom:18px; }

.footer { border-top:1px solid var(--line); background:#fff; }
.footer-inner { display:flex; justify-content:space-between; padding:18px 24px; font-size:12.5px; color:var(--ink-300); flex-wrap:wrap; gap:8px; }

.compliance-item { display:flex; gap:14px; padding:16px 0; border-bottom:1px solid var(--line); }
.compliance-item .badge { width:46px; height:46px; border-radius:11px; background:var(--blue-50); border:1px solid var(--blue-100);
  display:grid; place-items:center; font-weight:800; color:var(--blue-700); font-size:12px; flex-shrink:0; }
.compliance-item b { font-size:14.5px; } .compliance-item p { font-size:13px; color:var(--ink-500); margin-top:3px; line-height:1.6; }