/* ---- search suggestions ---- */
.sbox{position:relative}
.hsearch.sbox{overflow:visible}
.hsearch.sbox input{border-radius:4px 0 0 4px}
.sugg{position:absolute;left:0;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 34px rgba(0,0,0,.14);z-index:30;text-align:left;overflow:hidden;display:none}
.sugg.open{display:block}
.sugg a{display:block;padding:11px 14px;border-top:1px solid var(--line);color:var(--ink)}
.sugg a:first-child{border-top:0}
.sugg a:hover,.sugg a.act{background:#fff4ec}
.sugg a b{display:block;font-size:14px}
.sugg a small{display:block;font-size:12px;color:var(--mute);margin-top:2px}
.sugg .none{padding:12px 14px;font-size:13px;color:var(--mute)}
.bigsearch.sbox{overflow:visible}
.bigsearch.sbox input{border-radius:30px 0 0 30px}
.bigsearch.sbox button{border-radius:0 30px 30px 0}
.bigsearch .sugg{top:calc(100% + 8px);border-radius:14px}
/* ---- page shell ---- */
.crumbs{font-size:13px;color:var(--mute);padding:18px 0 0}
.crumbs a:hover{color:var(--or)}
.phead{padding:14px 0 26px;border-bottom:1px solid var(--line)}
.phead h1{font-size:34px;font-weight:800;letter-spacing:-.01em;text-wrap:balance;line-height:1.15}
.phead p{color:var(--ink2);font-size:16px;margin-top:10px;max-width:68ch;line-height:1.6}
.meta{display:flex;gap:14px;flex-wrap:wrap;margin-top:14px;font-size:13px;color:var(--mute);align-items:center}
.chip{display:inline-block;background:#fff1e8;color:#c43d00;font-size:12px;font-weight:700;padding:3px 10px;border-radius:12px;text-transform:uppercase;letter-spacing:.04em}
/* ---- guide layout ---- */
.glay{display:grid;grid-template-columns:230px minmax(0,1fr);gap:48px;padding:30px 0 70px}
.toc{position:sticky;top:16px;align-self:start;font-size:14px}
.toc h5{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);margin-bottom:10px}
.toc a{display:block;padding:7px 0 7px 12px;border-left:2px solid var(--line);color:var(--ink2)}
.toc a:hover{color:var(--or);border-color:var(--or)}
.prose{max-width:72ch;font-size:16px;line-height:1.75;color:#2b2b2b}
.prose h2{font-size:24px;font-weight:800;margin:38px 0 12px;line-height:1.25;scroll-margin-top:16px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18px;font-weight:800;margin:26px 0 8px}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 16px 22px}
.prose li{margin:6px 0}
.prose a{color:#d04300;text-decoration:underline;text-underline-offset:2px}
.prose strong{color:var(--ink)}
.tip,.warn{border-radius:10px;padding:14px 16px;margin:18px 0;font-size:15px;line-height:1.6}
.tip{background:#fff4ec;border:1px solid #ffd9c2}
.warn{background:#fff8e1;border:1px solid #f3dc8a}
.tip b,.warn b{display:block;margin-bottom:3px}
.prose ol.stepl{list-style:none;margin:10px 0 20px;counter-reset:s}
.stepl li{counter-increment:s;position:relative;padding:4px 0 14px 50px;margin:0}
.stepl li:before{content:counter(s);position:absolute;left:0;top:2px;width:34px;height:34px;border-radius:50%;background:var(--or);color:#fff;font-weight:800;display:grid;place-items:center;font-size:15px}
.stepl li b{display:block;color:var(--ink);font-size:17px}
.tbl{overflow-x:auto;margin:16px 0 22px;border:1px solid var(--line);border-radius:10px}
.tbl table{border-collapse:collapse;width:100%;font-size:14px;min-width:520px}
.tbl th{background:var(--soft);text-align:left;font-weight:700;padding:10px 12px;white-space:nowrap}
.tbl td{padding:10px 12px;border-top:1px solid var(--line);vertical-align:top;line-height:1.55}
.next{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:40px}
.next a{border:1px solid var(--line);border-radius:12px;padding:16px 18px;transition:border-color .15s;text-decoration:none;color:var(--ink)}
.next a:hover{border-color:var(--or)}
.next small{display:block;font-size:12px;color:var(--mute);text-transform:uppercase;letter-spacing:.05em}
.next b{display:block;margin-top:4px}
/* ---- guides hub ---- */
.gfilter{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0 6px}
.gfilter button{font:inherit;font-size:14px;font-weight:600;border:1px solid var(--line);background:#fff;border-radius:20px;padding:7px 16px;cursor:pointer;color:var(--ink2)}
.gfilter button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.glist{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:18px 0 70px}
.gcard{border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:10px;transition:border-color .15s,transform .15s}
.gcard:hover{border-color:var(--or);transform:translateY(-2px)}
.gcard h3{font-size:19px;font-weight:800;line-height:1.3}
.gcard p{font-size:14px;color:var(--ink2);line-height:1.6}
.gcard .rt{margin-top:auto;font-size:13px;color:var(--mute);display:flex;justify-content:space-between}
.gcard .rt b{color:var(--or)}
/* ---- popular strip on home ---- */
.popular{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px;text-align:left}
.popular a{display:flex;gap:14px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.popular a:hover{border-color:var(--or)}
.popular .n{flex:none;width:36px;height:36px;border-radius:10px;background:#fff1e8;color:var(--or);display:grid;place-items:center;font-weight:800}
.popular b{display:block;font-size:15px}
.popular small{color:var(--mute);font-size:12px}
/* ---- calculator ---- */
.calc{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;padding:30px 0 70px}
.panel{border:1px solid var(--line);border-radius:14px;padding:22px}
.panel h2{font-size:18px;font-weight:800;margin-bottom:14px}
.panel + .panel{margin-top:18px}
.frow{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:14px}
.fld label{display:block;font-size:13px;font-weight:600;color:var(--ink2);margin-bottom:6px}
.fld input,.fld select{width:100%;font:inherit;font-size:16px;padding:10px 12px;border:1px solid #d6d6d6;border-radius:8px;background:#fff;color:var(--ink)}
.fld input:focus,.fld select:focus{border-color:var(--or);outline:0}
.item{display:grid;grid-template-columns:1fr 110px 44px;gap:10px;align-items:end;margin-bottom:10px}
.xbtn{height:46px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;font-size:18px;color:var(--mute)}
.addbtn{font:inherit;font-weight:700;font-size:14px;color:#d04300;background:none;border:1px dashed #ffb48c;border-radius:8px;padding:10px 14px;cursor:pointer;width:100%}
.result{background:var(--ink);color:#fff;border-radius:14px;padding:22px;position:sticky;top:16px;align-self:start}
.result h2{font-size:14px;font-weight:700;color:#bbb;text-transform:uppercase;letter-spacing:.05em}
.big{font-size:44px;font-weight:800;margin:6px 0 2px;font-variant-numeric:tabular-nums}
.result .rl{display:flex;justify-content:space-between;border-top:1px solid #444;padding:10px 0;font-size:14px;color:#ccc;font-variant-numeric:tabular-nums}
.result .rl b{color:#fff}
.result p{font-size:13px;color:#aaa;line-height:1.6;margin-top:10px}
.result a{color:#ffb48c;text-decoration:underline}
/* ---- faq ---- */
.faq{max-width:820px;padding:10px 0 70px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:18px 34px 18px 0;font-weight:700;font-size:17px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:4px;top:13px;font-size:24px;color:var(--or);font-weight:400}
.faq details[open] summary:after{content:"\2212"}
.faq .a{padding:0 0 18px;color:var(--ink2);line-height:1.7}
.faq .a a{color:#d04300;text-decoration:underline}
.faq h2{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);margin:30px 0 4px}
.simple{max-width:72ch;padding:24px 0 70px}
@media (max-width:820px){
 .phead h1{font-size:26px}
 .glay{grid-template-columns:1fr;gap:10px;padding-top:20px}
 .toc{position:static;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
 .glist,.popular{grid-template-columns:1fr}
 .calc{grid-template-columns:1fr}
 .result{position:static}
 .frow{gap:8px}
 .next{grid-template-columns:1fr}
}
.hsearch{min-width:0}
.hsearch input{width:100%}
@media (max-width:820px){.glay{grid-template-columns:minmax(0,1fr)}.prose{min-width:0}}
.bigsearch input:focus-visible{outline:0}
.bigsearch.sbox:focus-within{box-shadow:0 0 0 3px rgba(255,80,0,.45),0 8px 30px rgba(0,0,0,.18)}
.logo img{display:block;width:54px;height:54px;object-fit:contain}
.flogo img{display:block;width:96px;height:96px;object-fit:contain}
@media (max-width:820px){.logo img{width:46px;height:46px}}