:root{
  --ink:#16202c; --muted:#5a6b7b; --bg:#f4f7fb; --card:#ffffff;
  --line:#dde6f0; --brand:#0b5d4e; --brand-2:#11876f; --accent:#e3a008;
  --accent-ink:#3a2a00; --shadow:0 8px 26px rgba(16,40,34,.10);
  --radius:14px;
}
*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden;margin:0;padding:0}
body{font-family:"Sora",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.62;font-size:17px}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}

/* header */
.site-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.head-row{display:flex;align-items:center;gap:18px;flex-wrap:nowrap;
  padding:13px 0;min-height:60px}
.brand-logo{font-weight:700;font-size:1.18rem;color:var(--brand);letter-spacing:-.2px;
  white-space:nowrap}
.brand-logo:hover{text-decoration:none}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.nav-main a{color:var(--ink);font-size:.93rem;font-weight:500;padding:8px 9px;
  border-radius:8px;white-space:nowrap}
.nav-main a:hover{background:var(--bg);text-decoration:none}
.nav-main a.active{color:var(--brand);background:#e7f3ef}
.head-cta{margin-left:6px;background:var(--accent);color:var(--accent-ink);
  font-weight:700;padding:9px 15px;border-radius:10px;white-space:nowrap;font-size:.92rem}
.head-cta:hover{filter:brightness(.96);text-decoration:none}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);
  background:var(--card);border-radius:10px;cursor:pointer;align-items:center;justify-content:center}
.burger span,.burger span::before,.burger span::after{content:"";display:block;
  width:20px;height:2px;background:var(--ink);position:relative;transition:.2s}
.burger span::before{position:absolute;top:-6px}
.burger span::after{position:absolute;top:6px}

/* hero */
.hero{background:linear-gradient(135deg,#073f35,#0b5d4e 55%,#11876f);color:#eafaf5;
  padding:46px 0 40px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}
.hero h1{font-size:2.05rem;line-height:1.18;margin:0 0 14px;color:#fff}
.hero p.lead{font-size:1.07rem;color:#cfeee5;margin:0 0 22px}
.hero-fig{margin:0}
.hero-fig img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}
.hero-fig figcaption{font-size:.8rem;color:#bfe6da;margin-top:8px}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);font-weight:700;
  padding:13px 22px;border-radius:11px;box-shadow:var(--shadow)}
.btn:hover{filter:brightness(.97);text-decoration:none}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5);box-shadow:none}

/* breadcrumb */
.crumb{font-size:.84rem;color:var(--muted);padding:14px 0 0}
.crumb a{color:var(--muted)}
.crumb b{color:var(--ink);font-weight:600}

/* main */
main{display:block}
.page-head{padding:18px 0 4px}
.page-head h1{font-size:1.9rem;line-height:1.2;margin:.2em 0 .3em}
.snippet{font-size:1.05rem;color:#2c3a48;background:var(--card);border:1px solid var(--line);
  border-left:4px solid var(--brand-2);padding:16px 18px;border-radius:10px;margin:8px 0 22px}
article h2{font-size:1.4rem;margin:1.5em 0 .5em;color:var(--brand)}
article h3{font-size:1.13rem;margin:1.3em 0 .4em;color:var(--ink)}
article p{margin:.7em 0}
article ul,article ol{margin:.7em 0 1em;padding-left:1.25em}
article li{margin:.35em 0}
.content-fig{margin:6px 0 20px}
.content-fig img{border-radius:var(--radius);box-shadow:var(--shadow);display:block;
  width:90%;margin:0 auto}
.content-fig figcaption{font-size:.82rem;color:var(--muted);text-align:center;margin-top:8px}
.note{font-size:.96rem;color:#3c4956;background:#eef4f1;border:1px dashed #b9d4ca;
  padding:12px 15px;border-radius:10px}
.authority{font-size:.98rem;background:#fff8e9;border:1px solid #f0dca6;padding:12px 15px;
  border-radius:10px}

/* table */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:.8em 0 1.2em;
  border:1px solid var(--line);border-radius:10px}
table{border-collapse:collapse;width:100%;min-width:420px;background:var(--card)}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:.96rem}
th{background:#e7f3ef;color:var(--brand);font-weight:600}

/* FAQ */
.faq{margin:26px 0 8px}
.faq h2{margin-bottom:.4em}
details.qa{background:var(--card);border:1px solid var(--line);border-radius:10px;
  margin:9px 0;padding:2px 4px}
details.qa summary{cursor:pointer;font-weight:600;padding:13px 14px;list-style:none;
  display:flex;justify-content:space-between;gap:12px;min-height:44px;align-items:center}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary::after{content:"+";color:var(--brand-2);font-weight:700;font-size:1.2rem}
details.qa[open] summary::after{content:"\2212"}
details.qa .a{padding:0 14px 14px;color:#34424f}

/* CTA */
.cta{background:linear-gradient(135deg,#0b5d4e,#11876f);color:#eafaf5;border-radius:var(--radius);
  padding:26px 24px;margin:30px 0;text-align:center;box-shadow:var(--shadow)}
.cta h2{color:#fff;margin:.1em 0 .4em;font-size:1.35rem}
.cta p{color:#d3efe6;margin:0 auto 18px;max-width:620px}

/* verdict / quick box (home) */
.quickbox{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0}
.qcard{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 16px;
  box-shadow:var(--shadow)}
.qcard .n{font-size:1.5rem;font-weight:700;color:var(--brand)}
.qcard .l{font-size:.86rem;color:var(--muted)}

/* tabs */
.tabs{margin:22px 0}
.tabnav{display:flex;flex-wrap:wrap;gap:8px;border-bottom:1px solid var(--line);margin-bottom:14px}
.tabnav button{background:none;border:none;border-bottom:2px solid transparent;padding:9px 12px;
  font:inherit;font-weight:600;color:var(--muted);cursor:pointer}
.tabnav button.on{color:var(--brand);border-bottom-color:var(--accent)}
.tabp{display:none}.tabp.on{display:block}

/* footer */
.site-foot{background:#0a2a24;color:#cfe5dd;margin-top:40px;padding:34px 0 22px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px}
.site-foot h3{color:#fff;font-size:1rem;margin:0 0 10px}
.site-foot a{color:#bce0d6}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{margin:6px 0}
.rg{display:flex;align-items:center;gap:10px;margin:8px 0}
.age{display:inline-block;border:2px solid #e3a008;color:#ffe6a6;border-radius:50%;
  width:40px;height:40px;line-height:36px;text-align:center;font-weight:700;flex:0 0 auto}
.legal{border-top:1px solid #1c4a40;margin-top:22px;padding-top:16px;color:#9cc3b8;font-size:.84rem}

/* back to top */
#toTop{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:50%;
  background:var(--brand);color:#fff;border:none;cursor:pointer;display:none;
  box-shadow:var(--shadow);font-size:1.2rem;z-index:50}
#toTop.show{display:block}

/* 404 */
.nf{text-align:center;padding:60px 0}

@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:22px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .quickbox{grid-template-columns:1fr}
}
@media(max-width:760px){
  body{font-size:16px}
  .wrap{padding:0 22px}
  .burger{display:flex}
  .nav-main{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;
    align-items:stretch;background:var(--card);border-bottom:1px solid var(--line);
    padding:8px 22px 14px;gap:2px;margin-left:0}
  .nav-main.open{display:flex}
  .nav-main a{padding:12px 8px;border-radius:8px}
  .head-cta{display:none}
  .nav-main .head-cta{display:block;margin:8px 0 0;text-align:center}
  .site-head{position:sticky}
  .head-row{position:relative}
  .hero h1{font-size:1.55rem}
  .page-head h1{font-size:1.5rem}
  article h2{font-size:1.25rem}
  article h3{font-size:1.08rem}
  .foot-grid{grid-template-columns:1fr}
  .content-fig img{width:100%}
}