:root{
  --navy:#0b1f3a;
  --navy-2:#16345e;
  --gold:#c5a253;
  --gold-2:#d6b46a;
  --ink:#1c2430;
  --muted:#5d6778;
  --line:#d8dee8;
  --bg:#eef3f8;
  --card:#ffffff;
  --soft:#f7f9fc;
  --ok:#0f6b4b;
  --warn:#8a5a00;
  --danger:#8f1d1d;
  --shadow:0 12px 30px rgba(8,23,48,.08);
  --radius:16px;
  --radius-sm:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--ink);
  background:linear-gradient(180deg,#edf2f8 0%,#f7f9fc 100%);
  min-height:100vh;
}
a{color:var(--navy-2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.narrow{width:min(900px,calc(100% - 32px));margin:0 auto}
.site-header{
  background:linear-gradient(180deg,var(--navy) 0%,#10284b 100%);
  color:#fff;
  border-bottom:4px solid var(--gold);
  position:sticky;top:0;z-index:20;
  box-shadow:0 8px 24px rgba(7,18,39,.24);
}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0}
.brand-wrap{display:flex;align-items:center;gap:14px}
.brand-seal{
  width:48px;height:48px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,#fff 0 15%,var(--gold) 16% 30%,#0e2a4d 31% 100%);
  border:2px solid rgba(255,255,255,.45);
  box-shadow:0 0 0 4px rgba(255,255,255,.08);
}
.brand-kicker{font-size:12px;letter-spacing:1.3px;text-transform:uppercase;opacity:.84;margin-bottom:2px}
.brand-title{font-size:24px;font-weight:800;line-height:1.1;margin:0}
.brand-sub{font-size:13px;opacity:.86;margin-top:4px}
.nav{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
.nav a,.nav button.nav-btn{
  background:rgba(255,255,255,.08);
  color:#fff;border:1px solid rgba(255,255,255,.18);text-decoration:none;
  padding:10px 14px;border-radius:999px;font-size:14px;font-weight:700;cursor:pointer
}
.nav a:hover,.nav button.nav-btn:hover{background:rgba(255,255,255,.16);text-decoration:none}
.hero{
  background:linear-gradient(180deg,var(--navy) 0%,#17355e 100%);
  color:#fff;padding:54px 0 42px;border-bottom:1px solid rgba(255,255,255,.16)
}
.hero-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:28px;align-items:start}
.eyebrow{display:inline-block;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:8px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase}
.hero h1{font-size:42px;line-height:1.1;margin:18px 0 10px}
.hero p{font-size:17px;line-height:1.7;color:#d9e5f5;margin:0 0 14px}
.hero-card,.panel,.card,.stat,.step-card,.case-card,.check-item,.review-box,.output-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)
}
.hero-card{padding:22px;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14);color:#fff;box-shadow:none}
.hero-card h3{margin:0 0 10px;font-size:19px}
.hero-card ul{margin:0;padding-left:18px;color:#e5eef9;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 18px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:800;text-decoration:none;cursor:pointer;transition:.18s ease all
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--gold);color:#0f2037}
.btn-primary:hover{background:var(--gold-2)}
.btn-secondary{background:var(--navy);color:#fff;border-color:#29476e}
.btn-secondary:hover{background:#173154}
.btn-light{background:#fff;color:var(--navy);border-color:#dfe7f2}
.btn-light:hover{background:#f4f8fc}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-outline:hover{background:rgba(255,255,255,.12)}
main{padding:28px 0 40px}
.section{margin-bottom:26px}
.section-head{margin-bottom:14px}
.section-kicker{font-size:12px;letter-spacing:1.1px;text-transform:uppercase;color:var(--navy-2);font-weight:800;margin-bottom:6px}
.section-title{font-size:30px;line-height:1.15;margin:0 0 8px;color:var(--navy)}
.section-intro{font-size:16px;line-height:1.7;color:var(--muted);max-width:920px}
.card{padding:22px}
.card + .card{margin-top:16px}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.subtle{background:var(--soft)}
.highlight{background:#fff8e8;border-left:5px solid var(--gold)}
.notice{padding:16px 18px;border-radius:14px;border:1px solid #ead9a8;background:#fff8e5;color:#5b4700}
.note{font-size:13px;color:var(--muted)}
.list-tight{margin:0;padding-left:18px;line-height:1.65}
.list-tight li+li{margin-top:6px}
.list-check{list-style:none;padding:0;margin:0}
.list-check li{position:relative;padding-left:26px;line-height:1.65}
.list-check li+li{margin-top:7px}
.list-check li:before{content:"✓";position:absolute;left:0;top:0;color:var(--ok);font-weight:800}
.stat{padding:18px 16px}
.stat .label{font-size:12px;text-transform:uppercase;letter-spacing:1.1px;color:var(--muted);font-weight:800}
.stat .value{font-size:26px;font-weight:900;color:var(--navy);margin-top:6px}
.ref-box{background:linear-gradient(180deg,#10284b 0%,#16345e 100%);color:#fff;border:none;padding:24px}
.ref-box .ref-title{font-size:22px;font-weight:800;margin:0 0 18px;text-align:center}
.ref-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.ref-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:16px}
.ref-item h4{margin:0 0 8px;font-size:16px}
.ref-item p{margin:0;color:#dce8f6;font-size:14px;line-height:1.55}
.mos-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.kv{display:grid;grid-template-columns:220px 1fr;gap:8px 14px;font-size:15px;line-height:1.6}
.kv div:nth-child(odd){font-weight:800;color:var(--navy)}
.page-shell{display:grid;grid-template-columns:270px 1fr;gap:18px}
.sidebar{position:sticky;top:92px;align-self:start}
.progress-wrap{padding:18px}
.progress-label{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);font-weight:700;margin-bottom:8px}
.progress-track{height:10px;border-radius:999px;background:#dde5ef;overflow:hidden}
.progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--gold),#ecd08a)}
.steps{margin-top:14px;display:grid;gap:10px}
.step-pill{padding:11px 12px;border-radius:12px;background:var(--soft);border:1px solid var(--line);font-size:14px;font-weight:700;color:var(--ink)}
.step-pill.active{background:#e9f1fb;border-color:#c8d7ec;color:var(--navy)}
.form-card{padding:22px}
.form-card h2{margin:0 0 8px;color:var(--navy);font-size:28px}
.form-card p{margin:0 0 16px;color:var(--muted);line-height:1.65}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.field{display:grid;gap:7px}
.field label{font-size:13px;font-weight:800;color:var(--navy);letter-spacing:.2px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 13px;border:1px solid #cfd8e3;border-radius:12px;background:#fff;color:var(--ink);font:inherit
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#7aa0d5;box-shadow:0 0 0 3px rgba(58,114,191,.12)}
.field textarea{min-height:110px;resize:vertical}
.inline-help{font-size:12px;color:var(--muted);line-height:1.5}
.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.chk{
  display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid var(--line);border-radius:14px;background:#fff;cursor:pointer;min-height:78px
}
.chk:hover{border-color:#b6c7df;background:#fbfdff}
.chk input{margin-top:3px}
.chk strong{display:block;font-size:14px;color:var(--navy);margin-bottom:4px}
.chk span{display:block;font-size:13px;color:var(--muted);line-height:1.45}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin:16px 0}
.toolbar .left,.toolbar .right{display:flex;flex-wrap:wrap;gap:10px}
.dynamic-area{display:grid;gap:16px;margin-top:18px}
.exposure-detail{border:1px solid var(--line);border-radius:16px;padding:18px;background:linear-gradient(180deg,#fff 0%,#fafcff 100%)}
.exposure-detail h3{margin:0 0 10px;color:var(--navy);font-size:20px}
.timeline-entry{border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff}
.entry-top{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:12px}
.entry-top h3{margin:0;color:var(--navy);font-size:18px}
.link-btn{background:none;border:none;padding:0;color:#8f1d1d;font-weight:800;cursor:pointer}
.tag{display:inline-block;padding:6px 10px;border-radius:999px;background:#eef4fb;border:1px solid #d5e2f2;color:var(--navy);font-size:12px;font-weight:800;margin:0 8px 8px 0}
.output-pre{white-space:pre-wrap;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;font:14px/1.65 "Times New Roman",Times,serif;color:#162236;min-height:420px}
.case-card{padding:18px}
.case-card h4{margin:0 0 8px;color:var(--navy);font-size:18px}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.badge{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}
.badge-cavc{background:#dbeafe;color:#0b3b78}
.badge-bva{background:#fef3c7;color:#7a4b00}
.badge-score{background:#ecfdf3;color:#0a6a45}
.check-item{padding:14px 16px}
.check-item + .check-item{margin-top:10px}
.check-item small{display:block;color:var(--muted);margin-top:6px;line-height:1.5}
.packet-section{page-break-inside:avoid;margin-bottom:18px}
.packet-section h2{font-size:23px;color:var(--navy);border-bottom:2px solid var(--navy);padding-bottom:8px;margin-bottom:12px}
.footer-note{font-size:12px;color:#6c7585;line-height:1.6;margin-top:14px}
.site-footer{background:#0c203a;color:#d4dfef;padding:22px 0 34px;margin-top:24px;border-top:4px solid var(--gold)}
.site-footer p{margin:0;font-size:13px;line-height:1.7}
.hidden{display:none!important}
@media (max-width:1080px){
  .hero-grid,.split,.page-shell,.grid-4,.mos-grid{grid-template-columns:1fr}
  .ref-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sidebar{position:static}
}
@media (max-width:780px){
  .site-header .bar{flex-direction:column;align-items:flex-start}
  .nav{justify-content:flex-start}
  .hero h1{font-size:32px}
  .grid-2,.grid-3,.form-grid,.form-grid-3,.check-grid,.ref-grid{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr}
}
@media print{
  body{background:#fff}
  .site-header,.site-footer,.sidebar,.hero,.toolbar,.nav,button,.btn,.hide-print{display:none!important}
  main{padding:0}
  .container,.narrow{width:100%;max-width:none;margin:0;padding:0}
  .page-shell{display:block}
  .card,.panel,.section,.output-card,.packet-section,.check-item,.case-card{box-shadow:none;border:1px solid #cfd8e3;page-break-inside:avoid}
  .output-pre{border:none;padding:0}
}