:root{--kb-blue:#146fe8;--kb-deep:#102a52;--kb-ink:#14213d;--kb-muted:#5f6f86;--kb-line:#dce5f2;--kb-bg:#f5f8fc;--kb-orange:#ff8b36}*{box-sizing:border-box}body.kb-body{margin:0;color:var(--kb-ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}.kb-top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--kb-line);backdrop-filter:blur(12px)}.kb-topin{max-width:1240px;margin:auto;height:72px;padding:0 24px;display:flex;align-items:center;gap:28px}.kb-brand{display:flex;align-items:center;text-decoration:none;color:var(--kb-deep);font-weight:800;font-size:20px;white-space:nowrap}.kb-brand img{width:190px;height:auto}.kb-brand em{font-style:normal;margin-left:12px;padding-left:12px;border-left:1px solid var(--kb-line);font-size:16px}.kb-topnav{display:flex;gap:22px;margin-left:auto}.kb-topnav a{color:var(--kb-ink);text-decoration:none;font-size:15px}.kb-contact{background:var(--kb-blue);color:#fff!important;padding:10px 18px;border-radius:9px}.kb-hero{background:linear-gradient(135deg,#eff6ff 0,#f8fbff 55%,#fff3e9 100%);border-bottom:1px solid var(--kb-line)}.kb-hero-in{max-width:1080px;margin:auto;padding:64px 24px 52px;text-align:center}.kb-kicker{color:var(--kb-blue);font-weight:800;letter-spacing:.08em;text-transform:uppercase}.kb-hero h1{font-size:42px;line-height:1.18;margin:12px 0;color:var(--kb-deep)}.kb-hero p{font-size:18px;color:var(--kb-muted);margin:0 auto 26px;max-width:760px}.kb-search{max-width:720px;margin:auto;position:relative}.kb-search input{width:100%;height:58px;border:1px solid #cbd9eb;border-radius:14px;padding:0 54px 0 20px;font-size:17px;background:#fff;box-shadow:0 12px 30px rgba(25,76,145,.1)}.kb-search:after{content:'⌕';position:absolute;right:20px;top:12px;font-size:28px;color:var(--kb-blue)}.kb-results{display:none;position:absolute;left:0;right:0;top:66px;background:#fff;border:1px solid var(--kb-line);border-radius:12px;box-shadow:0 18px 40px rgba(20,40,80,.18);text-align:left;max-height:420px;overflow:auto;z-index:30}.kb-results.show{display:block}.kb-results a{display:block;padding:14px 18px;border-bottom:1px solid #edf1f6;text-decoration:none;color:var(--kb-ink)}.kb-results a b,.kb-results a span{display:block}.kb-results a span{font-size:13px;color:var(--kb-muted);margin-top:4px}.kb-layout{max-width:1240px;margin:auto;padding:38px 24px 70px;display:grid;grid-template-columns:240px minmax(0,1fr);gap:42px}.kb-side{position:sticky;top:96px;align-self:start}.kb-side h3{font-size:13px;color:#7d8ba1;text-transform:uppercase;letter-spacing:.08em}.kb-side a{display:block;padding:10px 12px;margin:3px 0;border-radius:8px;color:#334560;text-decoration:none}.kb-side a:hover,.kb-side a.active{background:#eaf3ff;color:var(--kb-blue);font-weight:700}.kb-main{min-width:0}.kb-breadcrumb{font-size:14px;color:var(--kb-muted);margin-bottom:20px}.kb-breadcrumb a{color:var(--kb-blue);text-decoration:none}.kb-title h1{font-size:38px;line-height:1.2;color:var(--kb-deep);margin:8px 0 12px}.kb-title p{color:var(--kb-muted);font-size:17px;line-height:1.8}.kb-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:30px 0}.kb-card{display:block;padding:22px;border:1px solid var(--kb-line);border-radius:14px;text-decoration:none;color:var(--kb-ink);background:#fff;transition:.2s}.kb-card:hover{transform:translateY(-2px);border-color:#9bc4fa;box-shadow:0 12px 28px rgba(24,79,150,.08)}.kb-card b,.kb-card span{display:block}.kb-card b{font-size:18px;color:var(--kb-deep);margin-bottom:8px}.kb-card span{font-size:14px;line-height:1.6;color:var(--kb-muted)}.kb-article{font-size:16px;line-height:1.85}.kb-article h2{font-size:25px;margin:38px 0 14px;color:var(--kb-deep);padding-top:4px}.kb-article ul,.kb-article ol{padding-left:24px}.kb-article li{margin:7px 0}.kb-article table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}.kb-article th,.kb-article td{padding:12px 14px;border:1px solid var(--kb-line);text-align:left;vertical-align:top}.kb-article th{background:#f3f7fc}.kb-callout{margin:24px 0;padding:18px 20px;border-left:4px solid var(--kb-blue);background:#eef6ff;border-radius:8px}.kb-callout.warning{border-color:var(--kb-orange);background:#fff6ee}.kb-callout p{margin:6px 0 0}.kb-status{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.kb-status span{background:#eef3f9;border-radius:999px;padding:6px 10px;font-size:12px;color:#52647c}.kb-steps{display:grid;gap:10px}.kb-steps div{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--kb-line);border-radius:10px}.kb-steps b{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--kb-blue);color:#fff}.kb-country-grid,.kb-link-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.kb-country-grid a,.kb-link-list a{padding:17px;border:1px solid var(--kb-line);border-radius:10px;text-decoration:none;color:var(--kb-ink)}.kb-country-grid b,.kb-country-grid span,.kb-link-list b,.kb-link-list span{display:block}.kb-country-grid span,.kb-link-list span{color:var(--kb-muted);font-size:13px;margin-top:5px}.kb-related{margin-top:46px;padding-top:24px;border-top:1px solid var(--kb-line)}.kb-related a{display:inline-block;margin:4px 8px 4px 0;padding:9px 12px;border-radius:8px;background:#eff6ff;color:var(--kb-blue);text-decoration:none}.kb-glossary dt{font-weight:800;color:var(--kb-deep);font-size:18px;margin-top:18px}.kb-glossary dd{margin:4px 0;color:var(--kb-muted)}pre{background:#10233f;color:#eaf3ff;padding:20px;border-radius:12px;overflow:auto;line-height:1.6}.kb-footer{background:#10233f;color:#c8d5e7}.kb-footer-in{max-width:1240px;margin:auto;padding:30px 24px;display:flex;justify-content:space-between;gap:20px}.kb-footer a{color:#fff}.kb-wiki-entry{max-width:1200px;margin:36px auto;padding:0 20px}.kb-wiki-panel{padding:32px;border-radius:18px;background:linear-gradient(135deg,#eef6ff,#fff8ef);border:1px solid #dce8f7}.kb-wiki-panel h2{font-size:30px;margin:0 0 8px;color:#102a52}.kb-wiki-panel>p{color:#5f6f86}.kb-wiki-links{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}.kb-wiki-links a{background:#fff;border:1px solid #dce5f2;border-radius:10px;padding:15px;text-decoration:none;color:#17345d;font-weight:700}.kb-wiki-links small{display:block;color:#718099;font-weight:400;margin-top:6px}@media(max-width:860px){.kb-topnav a:not(.kb-contact){display:none}.kb-topin{height:64px;padding:0 16px}.kb-brand img{width:160px}.kb-brand em{font-size:14px}.kb-hero-in{padding:42px 18px}.kb-hero h1{font-size:32px}.kb-layout{display:block;padding:24px 16px 55px}.kb-side{position:static;display:flex;overflow:auto;margin-bottom:26px;padding-bottom:8px}.kb-side h3{display:none}.kb-side a{white-space:nowrap;background:#f2f6fb}.kb-title h1{font-size:31px}.kb-grid,.kb-country-grid,.kb-link-list{grid-template-columns:1fr}.kb-wiki-links{grid-template-columns:repeat(2,1fr)}.kb-footer-in{display:block}.kb-article table{display:block;overflow:auto}}@media(max-width:520px){.kb-brand em{display:none}.kb-hero h1{font-size:28px}.kb-wiki-links{grid-template-columns:1fr}.kb-wiki-panel{padding:22px}.kb-topnav{gap:0}.kb-contact{padding:9px 12px}}
.kb-calculator{margin:24px 0;padding:24px;border:1px solid var(--kb-line);border-radius:14px;background:#f7faff}.kb-calculator label{display:block;font-weight:800;color:var(--kb-deep);margin-bottom:10px}.kb-calculator textarea{width:100%;resize:vertical;padding:14px;border:1px solid #bfd0e6;border-radius:10px;font:inherit;background:#fff}.kb-calc-results{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}.kb-calc-results span{padding:12px;border-radius:9px;background:#fff;color:var(--kb-muted);font-size:12px}.kb-calc-results b{display:block;margin-top:4px;color:var(--kb-deep);font-size:19px}@media(max-width:640px){.kb-calc-results{grid-template-columns:repeat(2,1fr)}}
.kb-country-filter,.kb-tool{margin:20px 0;padding:20px;border:1px solid var(--kb-line);border-radius:14px;background:#f7faff}.kb-country-filter{display:grid;grid-template-columns:auto minmax(220px,1fr) auto;align-items:center;gap:12px}.kb-country-filter label,.kb-tool label{font-weight:800;color:var(--kb-deep)}.kb-country-filter input,.kb-tool select,.kb-tool input,.kb-tool textarea{width:100%;min-height:46px;padding:9px 12px;border:1px solid #bfd0e6;border-radius:9px;background:#fff;font:inherit}.kb-tool textarea{resize:vertical}.kb-country-filter span{color:var(--kb-muted);font-size:14px}.kb-empty{padding:16px;border-radius:9px;background:#fff6ee;color:#8a4c1d}.kb-tool{max-width:820px}.kb-tool>label{display:block;margin:14px 0 7px}.kb-tool-row,.kb-metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.kb-metric-grid label{display:grid;gap:7px}.kb-tool button{margin-top:16px;padding:12px 20px;border:0;border-radius:9px;background:var(--kb-blue);color:#fff;font:inherit;font-weight:800;cursor:pointer}.kb-tool-output{margin-top:18px}.kb-tool-output table{background:#fff}.kb-tool-result{padding:16px;border-radius:10px;background:#fff;border:1px solid var(--kb-line)}.kb-tool-result h3{margin:0 0 8px;color:var(--kb-deep)}.kb-table-scroll{overflow:auto}.kb-score-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.kb-score-grid span{padding:12px;border:1px solid var(--kb-line);border-radius:9px;background:#fff}.kb-score-grid b{display:block;font-size:20px;color:var(--kb-deep)}@media(max-width:640px){.kb-country-filter{grid-template-columns:1fr}.kb-tool-row,.kb-metric-grid,.kb-score-grid{grid-template-columns:1fr}}