:root{--ink:#12202a;--muted:#4f5f68;--teal:#0f766e;--teal2:#14b8a6;--coral:#c2410c;--gold:#b45309;--cream:#fffdf8;--line:#e6e0d4;--card:#fff;--soft:#f1f8f6;--r:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--teal)}a:hover{color:#115e59}img{max-width:100%}
:focus-visible{outline:3px solid #f59e0b;outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:.6rem 1rem;z-index:99}.skip:focus{left:8px;top:8px}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;letter-spacing:-.015em;line-height:1.2;margin:0 0 .5rem}
h1{font-size:clamp(2rem,4.4vw,3rem)}h2{font-size:clamp(1.4rem,2.6vw,1.85rem);margin-top:.2rem}h3{font-size:1.15rem;margin-top:1.2rem}
.eyebrow{font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:var(--teal);margin:0 0 .5rem}
.lead{font-size:1.15rem;color:#33444e;max-width:760px}.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-height:46px;padding:.65rem 1.2rem;border-radius:999px;font-weight:800;text-decoration:none;font-size:1rem;border:2px solid var(--teal);background:#fff;color:var(--teal);cursor:pointer;font-family:inherit;touch-action:manipulation}
.btn:hover{background:var(--soft)}.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:#115e59;color:#fff}
.btn-small{min-height:44px;padding:.4rem 1rem;font-size:.95rem}.btn-danger{border-color:#b91c1c;color:#b91c1c}
.nav{position:sticky;top:0;z-index:20;background:rgba(255,253,248,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.logo{font-family:Georgia,serif;font-weight:700;font-size:1.3rem;color:var(--ink);text-decoration:none}.logo span{color:var(--teal)}
.nav nav{display:flex;gap:18px;align-items:center}.nav nav a{text-decoration:none;font-weight:700;color:var(--ink);font-size:.95rem}
.nav nav a[aria-current]{color:var(--teal);text-decoration:underline;text-underline-offset:6px}
.nav .btn{min-height:42px;padding:.45rem 1rem;font-size:.92rem;color:#fff}
@media(max-width:900px){.nav nav a.hide-sm{display:none}}@media(max-width:420px){.nav .hide-xs{display:none}}
.crumbs{font-size:.9rem;margin:18px 0 0;color:var(--muted)}.crumbs a{text-decoration:none;font-weight:600}
.hero{padding:34px 0 26px;background:radial-gradient(900px 380px at 90% -20%,#d9f3ee 0,transparent 60%)}
main{padding-bottom:56px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:32px;align-items:start}
@media(max-width:980px){.layout{grid-template-columns:minmax(0,1fr)}}
.side{position:sticky;top:84px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;font-size:.95rem}
@media(max-width:980px){.side{position:static}}
.side h2{font-size:1rem;font-family:inherit;margin:0 0 .4rem}.side ul{list-style:none;padding:0;margin:0 0 1rem}.side li{margin:.25rem 0}
.side a{text-decoration:none;font-weight:600;display:block;padding:.3rem 0;min-height:32px}.side a[aria-current]{color:var(--ink);font-weight:800}
.block{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;margin:0 0 20px}
@media(max-width:560px){.block{padding:18px 16px}.wrap{padding:0 14px}}
.tag{display:inline-block;font-family:system-ui,sans-serif;font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--teal);border-radius:999px;padding:.2rem .65rem;vertical-align:middle;margin-right:.4rem;position:relative;top:-3px}
.tag.ex{background:#7c3aed}.tag.tool{background:#c2410c}.tag.pr{background:#1d4ed8}
.ex-box{background:var(--soft);border-left:5px solid var(--teal);border-radius:0 12px 12px 0;padding:12px 16px;margin:12px 0}
.ex-box.bad{background:#fff4f2;border-color:#c2410c}.ex-box.good{background:#f0fbf4;border-color:#15803d}
.hang{padding-left:2.2em;text-indent:-2.2em}.cite{font-family:Georgia,serif}
.grid{display:grid;gap:16px}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1000px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;text-decoration:none;color:var(--ink);display:block}
a.card:hover{border-color:var(--teal);box-shadow:0 8px 22px rgba(15,118,110,.12)}
.card h3{margin:.1rem 0 .3rem;font-size:1.08rem}.card p{margin:0;color:var(--muted);font-size:.95rem}
.cat{margin:34px 0 0}.cat-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}.cat-head .ic{font-size:1.8rem}
.cat-head h2{margin:0}.cat-head p{margin:0;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.chips a,.chip{padding:.45rem .9rem;border:1px solid var(--line);border-radius:999px;background:#fff;text-decoration:none;font-weight:700;color:var(--ink);font-size:.92rem;min-height:40px;display:inline-flex;align-items:center}
.chips a:hover{border-color:var(--teal);color:var(--teal)}
.search{width:100%;max-width:560px;font-size:1.05rem;padding:.8rem 1rem;border:2px solid var(--line);border-radius:999px;background:#fff}
label{font-weight:700}input[type=text],input[type=number],input[type=url],input[type=date],input[type=email],input[type=tel],select,textarea{font:inherit;font-size:16px;padding:.6rem .7rem;border:1.5px solid #c9c2b4;border-radius:10px;background:#fff;color:var(--ink);width:100%;min-height:44px}
textarea{min-height:96px;resize:vertical}
.form{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}.form .full{grid-column:1/-1}.form label{display:flex;flex-direction:column;gap:4px;font-size:.92rem}
@media(max-width:640px){.form{grid-template-columns:1fr}}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:12px 0}
.out{background:#fbfaf6;border:1.5px dashed #c9c2b4;border-radius:12px;padding:14px 16px;margin:12px 0;min-height:52px;overflow-wrap:anywhere}
table{border-collapse:collapse;width:100%;font-size:.95rem}th,td{border:1px solid var(--line);padding:.5rem .6rem;text-align:left;vertical-align:top}th{background:var(--soft)}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.qs{padding-left:1.2rem}.q{margin:0 0 18px}.q fieldset{border:0;padding:0;margin:0}.q legend{font-weight:700;margin-bottom:6px}
.opt{display:flex;gap:10px;align-items:flex-start;padding:.55rem .7rem;border:1px solid var(--line);border-radius:10px;margin:6px 0;font-weight:500;cursor:pointer;min-height:44px}
.opt input{margin-top:.3rem;width:20px;height:20px}.q input[type=text]{max-width:420px;display:block;margin:6px 0}
.fb{font-weight:800;margin:.4rem 0 0}.fb.ok{color:#15803d}.fb.no{color:#b91c1c}.why{background:var(--soft);padding:8px 12px;border-radius:10px;margin:.3rem 0 0}
.score{font-weight:800;color:var(--teal)}
.related{display:flex;flex-wrap:wrap;gap:8px}
kbd{font-family:ui-monospace,Menlo,monospace;background:#f3f1ea;border:1px solid #d9d3c5;border-radius:6px;padding:0 .35rem}
code{font-family:ui-monospace,Menlo,monospace;background:#f3f1ea;padding:0 .3rem;border-radius:5px;font-size:.92em}
.note{background:#fff8e6;border:1px solid #f3d38a;border-radius:12px;padding:12px 14px}
.doc p{font-family:Georgia,serif;font-size:1.07rem;max-width:72ch}.doc h3{margin-top:1.6rem}
@media print{.nav,.side,.no-print,footer,.crumbs,.skip{display:none!important}body{background:#fff}.block{border:0;padding:0}.layout{display:block}.print-only{display:block!important}}
.print-only{display:none}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.qsrc{border:0;padding:0;margin:0 0 14px}.qsrc legend{font-weight:700;margin-bottom:6px}