:root{--ink:#10223F;--ink-soft:#566A87;--paper:#fff;--bg:#F4F8FE;--line:#DCE6F5;--brand:#0B1F3A;--brand-soft:#EAF2FE;--secondary:#0F766E;--secondary-soft:#E1F2EF;--accent:#1760E8;--accent-dark:#0F4FC7;--warn-bg:#fff8e1;--warn-border:#e8c766;}
*{box-sizing:border-box}
body{margin:0;font-family:'Plus Jakarta Sans',system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-text-size-adjust:100%}
a{color:var(--accent-dark)}
img{max-width:100%;display:block}
.hc-top{background:var(--brand);color:#fff}
.hc-top-in{max-width:980px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.hc-brand{color:#fff;text-decoration:none;font-weight:700;font-size:1rem;display:flex;align-items:center;gap:8px}
.hc-brand span{font-weight:500;opacity:.8;border-left:1px solid rgba(255,255,255,.35);padding-left:8px}
.hc-logo{width:34px;height:34px;border-radius:8px;background:#fff;object-fit:contain;flex:none}
.hc-top nav a{color:#fff;opacity:.85;text-decoration:none;font-size:.9rem;margin-left:14px}
.hc-top nav a:hover{opacity:1}
.hc-hero{background:linear-gradient(180deg,#EAF2FE 0%,#F4F8FE 100%);color:var(--brand);padding:40px 16px 40px;text-align:center}
.hc-hero h1{letter-spacing:-.02em;font-weight:800}
.hc-hero h1{margin:0 0 6px;font-size:clamp(1.6rem,4.5vw,2.3rem)}
.hc-hero p{margin:0 0 18px;color:var(--ink-soft)}
.hc-search{position:relative;max-width:620px;margin:0 auto}
.hc-search input{width:100%;font:inherit;font-size:1.05rem;padding:14px 16px 14px 44px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink)}
.hc-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#64748B}
.hc-results{position:absolute;left:0;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 30px rgba(10,37,64,.18);text-align:left;z-index:20;overflow:hidden;display:none}
.hc-results.open{display:block}
.hc-results a{display:block;padding:11px 14px;text-decoration:none;color:var(--ink);border-top:1px solid var(--line)}
.hc-results a:first-child{border-top:0}
.hc-results a:hover,.hc-results a.active{background:var(--brand-soft)}
.hc-results small{display:block;color:var(--ink-soft);font-size:.82rem;line-height:1.35;margin-top:2px}
.hc-results .hc-none{padding:12px 14px;color:var(--ink-soft);font-size:.92rem}
.hc-wrap{max-width:980px;margin:0 auto;padding:24px 16px 40px}
.hc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.hc-cat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.hc-cat h2{margin:0 0 2px;font-size:1.1rem}
.hc-cat p{margin:0 0 10px;color:var(--ink-soft);font-size:.9rem}
.hc-cat ul{list-style:none;margin:0;padding:0}
.hc-cat li{padding:5px 0;border-top:1px solid #F1F5F9}
.hc-cat li a{text-decoration:none;color:var(--ink);font-size:.95rem}
.hc-cat li a:hover{color:var(--accent-dark);text-decoration:underline}
.hc-crumbs{font-size:.88rem;color:var(--ink-soft);margin-bottom:10px}
.hc-crumbs a{color:var(--ink-soft)}
.hc-article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 20px;display:grid;grid-template-columns:1fr;gap:24px}
.hc-article.has-shot{grid-template-columns:minmax(0,1fr) 260px}
.hc-article h1{margin:0 0 12px;font-size:clamp(1.45rem,4vw,1.9rem);line-height:1.25}
.hc-quick{background:var(--secondary-soft);border-left:4px solid var(--secondary);border-radius:8px;padding:12px 14px;margin:0 0 18px}
.hc-quick b{display:block;font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--secondary);margin-bottom:2px}
.hc-body h2{font-size:1.1rem;margin:22px 0 6px}
.hc-body p{margin:0 0 12px}
.hc-body ol,.hc-body ul{margin:0 0 14px;padding-left:24px}
.hc-body li{margin:0 0 6px}
.hc-body li ul{margin:6px 0 0}
.hc-tip{background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:8px;padding:10px 12px;margin:0 0 14px;font-size:.95rem}
.hc-shot{margin:0}
.hc-shot img{border:1px solid var(--line);border-radius:22px;box-shadow:0 10px 26px rgba(10,37,64,.14);width:100%;height:auto;background:#fff}
.hc-shot figcaption{font-size:.82rem;color:var(--ink-soft);text-align:center;margin-top:8px}
.hc-helpful{margin-top:20px;border-top:1px solid var(--line);padding-top:16px}
.hc-helpful .q{font-weight:600;margin-right:8px}
.hc-btn{font:inherit;font-size:.92rem;padding:8px 16px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;margin:4px 6px 4px 0}
.hc-btn:hover{border-color:var(--ink-soft)}
.hc-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.hc-helpful textarea{width:100%;font:inherit;font-size:.95rem;border:1px solid var(--line);border-radius:8px;padding:10px;min-height:80px;margin:8px 0}
.hc-thanks{color:var(--secondary);font-weight:600}
.hc-stuck{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.hc-stuck h2{margin:0 0 4px;font-size:1.05rem}
.hc-stuck p{margin:0;color:var(--ink-soft)}
.hc-related{margin-top:22px}
.hc-related h2{font-size:1rem;margin:0 0 8px}
.hc-related ul{margin:0;padding-left:20px}
.hc-foot{text-align:center;font-size:.85rem;color:var(--ink-soft);padding:26px 16px 90px}
.hc-foot a{color:var(--ink-soft)}
.hc-notice{background:#FFF4E5;border-bottom:1px solid #F5C58A;color:#7A3E00}
.hc-notice-in{max-width:980px;margin:0 auto;padding:10px 16px;display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;font-size:.95rem}
.hc-notice b{background:#B45309;color:#fff;border-radius:6px;padding:1px 8px;font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;flex:none}
.hc-notice a{color:#7A3E00;font-weight:700}
@media (max-width:760px){.hc-article.has-shot{grid-template-columns:1fr}.hc-shot{max-width:260px;margin:0 auto}.hc-top nav a.hide-sm{display:none}}