:root{
  --paper:#fdfcf9; --ink:#1a1a1a; --muted:#5a5a5a;
  --red:#c0392b; --red-dark:#922b21; --blue:#1d3557; --blue-light:#eaf0f7;
  --line:#e3ddd2; --card:#ffffff; --stamp:#f7e9e6;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.65;font-size:17px}
.wrap{max-width:880px;margin:0 auto;padding:0 22px}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.25;color:var(--ink)}
h1{font-size:2.4rem;margin:0 0 1rem}
h2{font-size:1.7rem;margin:2.2rem 0 0.9rem}
h3{font-size:1.25rem;margin:1.6rem 0 0.6rem}
p{margin:0 0 1rem}
a{color:var(--blue)}
.site-header{background:var(--ink);color:#fff;padding:0.9rem 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:0.6rem}
.brand{color:#fff;text-decoration:none;font-family:Georgia,serif;font-size:1.35rem;font-weight:bold;display:flex;align-items:center;gap:0.5rem}
.brand-mark{color:var(--red);font-size:1.5rem}
.nav{display:flex;gap:1.1rem;flex-wrap:wrap}
.nav a{color:#ddd;text-decoration:none;font-size:0.95rem}
.nav a:hover{color:#fff;text-decoration:underline}
.hero{background:var(--ink);color:#f5f2ea;padding:3rem 0 2.6rem;border-bottom:6px solid var(--red)}
.hero h1{color:#fff;font-size:2.5rem}
.hero .sub{font-size:1.15rem;color:#d8d2c4;max-width:640px}
.stamp{display:inline-block;background:var(--red);color:#fff;font-family:Georgia,serif;font-weight:bold;letter-spacing:2px;padding:0.35rem 0.9rem;margin-bottom:1.2rem;font-size:0.85rem;transform:rotate(-2deg);border:2px solid #fff;box-shadow:0 2px 6px rgba(0,0,0,.3)}
.hero-note{margin-top:1.4rem;background:rgba(255,255,255,.07);border-left:4px solid var(--red);padding:0.9rem 1.1rem;font-size:1.02rem;color:#f0ebdd}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1.6rem;margin:1.4rem 0;box-shadow:0 1px 4px rgba(0,0,0,.05)}
.diag{background:var(--card);border:2px solid var(--ink);border-radius:10px;padding:1.8rem;margin:2rem 0}
.diag label{display:block;font-weight:600;margin:1rem 0 0.4rem}
.diag select,.diag input{width:100%;padding:0.7rem;border:1px solid #bbb;border-radius:6px;font-size:1rem;background:#fff}
.btn{display:block;width:100%;max-width:420px;background:var(--red);color:#fff;border:none;padding:0.9rem 1.8rem;font-size:1.05rem;font-weight:700;line-height:1.5;min-height:3.2rem;border-radius:6px;cursor:pointer;text-decoration:none;margin-top:1.2rem;text-align:center;box-sizing:border-box}
.btn:hover{background:var(--red-dark)}
.btn-buy{background:var(--blue)}
.btn-buy:hover{background:#152a45}
.btn-secondary{background:#fff;color:var(--ink);border:2px solid var(--ink)}
.result{margin-top:1.4rem;padding:1.3rem;border-radius:8px;display:none}
.result.show{display:block}
.result.green{background:#eef7ee;border:2px solid #2d7d2d}
.result.yellow{background:#fdf6e3;border:2px solid #b58900}
.result.red{background:var(--stamp);border:2px solid var(--red)}
.result h3{margin-top:0}
.lock-panel{border:2px dashed var(--blue);background:var(--blue-light);border-radius:10px;padding:1.5rem;margin:1.2rem 0}
.lock-panel h3{margin-top:0;color:var(--blue)}
.included{color:var(--blue);font-weight:700}
.howto{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin:1.4rem 0}
.howto .step{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1.2rem}
.step-num{font-family:Georgia,serif;font-size:2rem;color:var(--red);font-weight:bold}
.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin:1.4rem 0}
.guide-card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1.3rem;text-decoration:none;color:var(--ink);display:block}
.guide-card:hover{border-color:var(--blue)}
.guide-card h3{margin:0 0 0.5rem;color:var(--blue);font-size:1.15rem}
.guide-card p{font-size:0.95rem;color:var(--muted);margin:0}
.state-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:0.5rem;margin:1.2rem 0}
.state-grid a{display:block;padding:0.5rem 0.7rem;border:1px solid var(--line);border-radius:6px;text-decoration:none;color:var(--ink);font-size:0.92rem;background:#fff}
.state-grid a:hover{border-color:var(--red)}
.fact-row{display:flex;gap:0.8rem;align-items:flex-start;margin:0.7rem 0}
.fact-dot{color:var(--red);font-weight:bold}
table{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:0.95rem}
th,td{border:1px solid var(--line);padding:0.6rem 0.8rem;text-align:left}
th{background:var(--ink);color:#fff;font-family:Georgia,serif}
.warning{background:#fff8e1;border-left:4px solid #b58900;padding:0.9rem 1.1rem;margin:1.2rem 0}
.danger{background:var(--stamp);border-left:4px solid var(--red);padding:0.9rem 1.1rem;margin:1.2rem 0}
.info{background:var(--blue-light);border-left:4px solid var(--blue);padding:0.9rem 1.1rem;margin:1.2rem 0}
.site-footer{background:var(--ink);color:#bdb6a6;padding:2.2rem 0;margin-top:3rem;font-size:0.9rem}
.site-footer a{color:#e8e2d2}
.foot-brand{font-family:Georgia,serif;color:#fff;font-size:1.05rem}
.foot-links{margin-top:0.8rem}
.foot-copy{margin-top:0.8rem;font-size:0.82rem;color:#8a8474}
.badge{display:inline-block;font-size:0.8rem;font-weight:700;padding:0.2rem 0.7rem;border-radius:20px;margin-bottom:0.8rem}
.badge.green{background:#dff0d8;color:#2d6a2d}
.badge.yellow{background:#fcf3d7;color:#8a6d00}
.badge.red{background:#f5d6d2;color:#922b21}
textarea{width:100%;min-height:180px;padding:0.8rem;border:1px solid #bbb;border-radius:6px;font-family:inherit;font-size:0.95rem}
.copy-row{margin-top:0.6rem}
.tabs{display:flex;gap:0.5rem;flex-wrap:wrap;margin:1.2rem 0}
.tab-btn{padding:0.6rem 1.1rem;border:2px solid var(--ink);background:#fff;border-radius:6px;cursor:pointer;font-weight:600}
.tab-btn.active{background:var(--ink);color:#fff}
.tab-pane{display:none}
.tab-pane.active{display:block}
@media(max-width:640px){h1{font-size:1.9rem}.hero h1{font-size:2rem}}