/* راهنمای بیت‌یار: ظاهر مشترک فارسی /bityar/docs/ و انگلیسی /en/bityar/docs/ (۲۳ آبان ۱۴۰۵). ?v= در lib.php (BYD_V). */
@font-face{font-family:Inter;font-weight:400;font-display:swap;src:url(/wp-content/themes/bitfa/assets/fund/fonts/inter/inter-latin-400.woff2) format('woff2')}
@font-face{font-family:Inter;font-weight:600;font-display:swap;src:url(/wp-content/themes/bitfa/assets/fund/fonts/inter/inter-latin-600.woff2) format('woff2')}
@font-face{font-family:Inter;font-weight:700;font-display:swap;src:url(/wp-content/themes/bitfa/assets/fund/fonts/inter/inter-latin-700.woff2) format('woff2')}
@font-face{font-family:DanaFaNum;font-weight:400;font-display:swap;src:url(/wp-content/themes/bitfa/assets/fonts/dana/woff2/DanaFaNum-Regular.woff2) format('woff2')}
@font-face{font-family:DanaFaNum;font-weight:600;font-display:swap;src:url(/wp-content/themes/bitfa/assets/fonts/dana/woff2/DanaFaNum-DemiBold.woff2) format('woff2')}
@font-face{font-family:DanaFaNum;font-weight:700;font-display:swap;src:url(/wp-content/themes/bitfa/assets/fonts/dana/woff2/DanaFaNum-Bold.woff2) format('woff2')}
:root{--bg:#F6F7F9;--card:#fff;--soft:#F1F3F6;--line:#E4E7EC;--txt:#151820;--sub:#5C6370;--mut:#8A919E;--pri:#F7A01D;--pri-ink:#8F5300;--pri-bg:#FFF4E2;--up:#15803D;--up-bg:#E8F7EE;--dn:#BE123C;--dn-bg:#FDECEF;--info:#1D4ED8;--info-bg:#EAF1FE;--shadow:0 1px 2px rgba(16,24,40,.04),0 6px 20px -12px rgba(16,24,40,.18);color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#12151B;--card:#1A1E26;--soft:#20252F;--line:#2B303B;--txt:#EEF0F4;--sub:#A3ABB8;--mut:#7D8594;--pri-ink:#F7B24A;--pri-bg:#2B2316;--up:#4ADE80;--up-bg:#14291D;--dn:#FB7185;--dn-bg:#2E1820;--info:#8AB0FF;--info-bg:#18233A;--shadow:none;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#12151B;--card:#1A1E26;--soft:#20252F;--line:#2B303B;--txt:#EEF0F4;--sub:#A3ABB8;--mut:#7D8594;--pri-ink:#F7B24A;--pri-bg:#2B2316;--up:#4ADE80;--up-bg:#14291D;--dn:#FB7185;--dn-bg:#2E1820;--info:#8AB0FF;--info-bg:#18233A;--shadow:none;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--txt);font:16px/1.85 DanaFaNum,Tahoma,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
.ltr{direction:ltr;unicode-bidi:isolate;display:inline-block}
/* سربرگ */
.tb{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;height:60px;padding:0 20px;background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.tb .brand img{display:block;height:28px;width:auto}
:root[data-theme="dark"] .tb .brand img{content:url(/wp-content/themes/bitfa/assets/fund/img/logo-white.svg)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .tb .brand img{content:url(/wp-content/themes/bitfa/assets/fund/img/logo-white.svg)}}
.crumb{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--sub);min-width:0;white-space:nowrap;overflow:hidden}
.crumb a{text-decoration:none}.crumb a:hover{color:var(--txt)}
.crumb b{color:var(--txt);font-weight:600}
.tb .sp{flex:1}
.th{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--txt);cursor:pointer}
.th svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:11px;background:var(--pri);color:#1F1F1F;font-weight:700;font-size:14.5px;text-decoration:none;white-space:nowrap;box-shadow:0 4px 14px -8px rgba(247,160,29,.9)}
.btn:hover{filter:brightness(1.05)}
.btn.gh{background:var(--card);color:var(--txt);border:1px solid var(--line);box-shadow:none;font-weight:600}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:640px){.tb{padding:0 16px;gap:10px}.crumb .c1,.crumb .c1s{display:none}.tb .btn{height:36px;padding:0 12px;font-size:13.5px}}
@media (max-width:400px){.crumb{display:none}}
/* سرآغاز */
.hero{max-width:1180px;margin:0 auto;padding:44px 20px 28px;display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:28px;align-items:center}
.eyb{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--pri-ink);background:var(--pri-bg);padding:3px 12px;border-radius:99px;margin-bottom:12px}
.hero h1{font-size:clamp(28px,4.4vw,42px);line-height:1.3;margin:0 0 12px;font-weight:700;letter-spacing:-.2px}
.hero p{margin:0 0 20px;color:var(--sub);font-size:17px;max-width:680px}
.hero .acts{display:flex;flex-wrap:wrap;gap:10px}
.hero .acts .btn{height:46px;padding:0 20px;font-size:15px}
.hero .mas{position:relative;justify-self:center;width:200px;aspect-ratio:1}
.hero .mas::before{content:"";position:absolute;inset:-12%;border-radius:50%;background:radial-gradient(closest-side,rgba(247,160,29,.32),rgba(240,86,122,.12) 60%,transparent)}
.hero .mas img{position:relative;width:100%;height:100%;object-fit:contain}
@media (max-width:760px){.hero{grid-template-columns:1fr;padding:28px 16px 18px;gap:8px}.hero .mas{order:-1;width:120px;justify-self:start}}
/* چیدمان */
.w{max-width:1180px;margin:0 auto;padding:0 20px 64px;display:grid;grid-template-columns:232px minmax(0,1fr);gap:36px;align-items:start}
.toc{position:sticky;top:80px;max-height:calc(100vh - 100px);overflow:auto;padding:4px 0 12px}
.toc b{display:block;font-size:13px;color:var(--mut);font-weight:600;margin:0 12px 6px}
.toc a{display:flex;gap:10px;align-items:baseline;padding:5px 12px;border-radius:9px;font-size:14.5px;line-height:1.6;color:var(--sub);text-decoration:none;border-inline-start:2px solid transparent}
.toc a i{font-style:normal;font-size:12.5px;color:var(--mut);min-width:18px}
.toc a:hover{color:var(--txt);background:var(--soft)}
.toc a.on{color:var(--txt);font-weight:600;background:var(--soft);border-inline-start-color:var(--pri)}
.tocm{display:none;margin:0 0 18px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.tocm summary{cursor:pointer;padding:12px 16px;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}
.tocm summary::-webkit-details-marker{display:none}
.tocm summary::after{content:"";width:8px;height:8px;border:solid var(--sub);border-width:0 0 2px 2px;transform:rotate(-45deg);transition:transform .2s}
.tocm[open] summary::after{transform:rotate(135deg)}
.tocm nav{display:grid;grid-template-columns:1fr 1fr;gap:2px 10px;padding:0 10px 12px}
.tocm a{padding:6px 8px;font-size:14px;color:var(--sub);text-decoration:none;border-radius:8px}
.tocm a:hover{background:var(--soft);color:var(--txt)}
@media (max-width:900px){.w{grid-template-columns:1fr;gap:0;padding:0 16px 48px}.toc{display:none}.tocm{display:block}}
/* محتوا */
main{min-width:0}
section.s{padding:30px 0 8px;border-top:1px solid var(--line)}
section.s:first-of-type{border-top:0;padding-top:6px}
h2{font-size:24px;line-height:1.45;margin:0 0 10px;font-weight:700;display:flex;align-items:center;gap:12px}
h2 .n{flex:none;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:var(--pri-bg);color:var(--pri-ink);font-size:15px;font-weight:700}
h3{font-size:17.5px;margin:22px 0 6px;font-weight:600}
p{margin:0 0 12px}
.lead{color:var(--sub);font-size:16.5px}
ul,ol{margin:0 0 14px;padding-inline-start:22px}
li{margin:4px 0}
li::marker{color:var(--mut)}
b,strong{font-weight:600}
.k{font-weight:600;background:var(--soft);border:1px solid var(--line);border-radius:7px;padding:0 7px;font-size:.92em;white-space:nowrap}
kbd{display:inline-block;direction:ltr;font:600 13px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--card);border:1px solid var(--line);border-bottom-width:2px;border-radius:7px;padding:1px 8px;color:var(--txt);white-space:nowrap}
.tip,.warn,.note{border-radius:14px;padding:12px 16px;margin:14px 0;font-size:15px;line-height:1.8}
.tip{background:var(--pri-bg);color:var(--pri-ink)}
.note{background:var(--info-bg);color:var(--info)}
.warn{background:var(--dn-bg);color:var(--dn)}
.tip b,.note b,.warn b{color:inherit}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow)}
/* قدم‌ها */
.steps{list-style:none;padding:0;margin:8px 0 6px;counter-reset:st;display:grid;gap:10px}
.steps li{counter-increment:st;position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 18px 14px 18px;padding-inline-start:62px;margin:0;box-shadow:var(--shadow)}
.steps li::before{content:counter(st,persian);position:absolute;inset-inline-start:16px;top:14px;width:32px;height:32px;border-radius:50%;background:var(--pri);color:#1F1F1F;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px}
.steps li b{display:block;font-size:16.5px;margin-bottom:2px}
.steps li span{color:var(--sub);font-size:15px}
/* نمونه‌پرسش */
.exs{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 14px}
.ex{display:inline-flex;align-items:center;gap:8px;max-width:100%;padding:7px 12px 7px 10px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--txt);font:inherit;font-size:14.5px;line-height:1.6;text-align:start;cursor:pointer;transition:border-color .15s,background .15s}
.ex span::before{content:"«"}.ex span::after{content:"»"}
.ex svg{flex:none;width:15px;height:15px;fill:none;stroke:var(--mut);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ex:hover{border-color:var(--pri);background:var(--pri-bg)}
.ex:hover svg{stroke:var(--pri-ink)}
.ex.ok{border-color:var(--up);background:var(--up-bg)}
.ex.ok svg{stroke:var(--up)}
.try{display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:600;color:var(--pri-ink);text-decoration:none;overflow-wrap:anywhere}
.try svg{flex:none;width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.try:hover{text-decoration:underline}
/* نقشه‌ی صفحه */
.map{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:18px;align-items:start;margin:12px 0}
.map figure{margin:0;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow)}
.map svg{display:block;width:100%;height:auto}
.map figcaption{font-size:13px;color:var(--mut);margin-top:6px;text-align:center}
.legend{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.legend li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:10px;margin:0;font-size:15px;line-height:1.75}
.legend li i{font-style:normal;width:26px;height:26px;border-radius:50%;background:var(--pri);color:#1F1F1F;font-weight:700;font-size:13.5px;display:flex;align-items:center;justify-content:center;margin-top:2px}
.legend li span{color:var(--sub)}
.legend li b{color:var(--txt)}
@media (max-width:760px){.map{grid-template-columns:1fr}}
.m-fr{fill:var(--bg);stroke:var(--line)}
.m-bx{fill:var(--card);stroke:var(--line)}
.m-sf{fill:var(--soft)}
.m-ai{fill:var(--card);stroke:var(--pri);stroke-width:1.6}
.m-ch{fill:var(--card);stroke:var(--line)}
.m-chip{fill:var(--soft)}
.m-gr{stroke:var(--line);stroke-dasharray:3 5}
.m-zn{fill:rgba(22,163,74,.14);stroke:rgba(22,163,74,.55);stroke-dasharray:4 3}
.m-zs{fill:rgba(220,38,38,.12);stroke:rgba(220,38,38,.5);stroke-dasharray:4 3}
.m-tl{stroke:#2F80ED;stroke-width:2;fill:none}
.cu{fill:#16A34A}.cd{fill:#DC2626}.su{stroke:#16A34A;stroke-width:1.2}.sd{stroke:#DC2626;stroke-width:1.2}
.m-bd circle{fill:var(--pri)}
.m-bd text{fill:#1F1F1F;font:700 15px DanaFaNum,Tahoma,sans-serif;text-anchor:middle;dominant-baseline:central}
.m-tx{fill:var(--mut);font:600 11px DanaFaNum,Tahoma,sans-serif}
.m-pri{fill:var(--pri)}
/* جدول و شبکه‌ها */
.cats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:12px 0}
.cat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 16px;box-shadow:var(--shadow)}
.cat h4{margin:0 0 4px;font-size:16px;display:flex;align-items:center;gap:8px}
.cat h4 i{width:10px;height:10px;border-radius:50%;background:var(--c)}
.cat p{font-size:14.5px;color:var(--sub);margin:0 0 6px;line-height:1.8}
@media (max-width:640px){.cats{grid-template-columns:minmax(0,1fr)}}
.tw{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:12px 0}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{padding:11px 14px;text-align:start;vertical-align:top;border-top:1px solid var(--line)}
thead th{border-top:0;font-size:13.5px;font-weight:600;color:var(--sub);background:var(--soft)}
td:first-child{white-space:nowrap}
.setup{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:12px 0}
.setup div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.setup div b{display:block;font-size:15px}
.setup div span{font-size:14px;color:var(--sub);line-height:1.75;display:block}
.setup .l{border-inline-start:3px solid var(--up)}
.setup .s{border-inline-start:3px solid var(--dn)}
.setup .t{border-inline-start:3px solid var(--pri)}
@media (max-width:640px){.setup{grid-template-columns:1fr}}
/* ویدیو */
.vid{margin:12px 0;background:#000;border-radius:16px;overflow:hidden;aspect-ratio:1902/1080}
.vid video{display:block;width:100%;height:100%}
/* سؤال‌ها */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;margin:0 0 8px}
.faq summary{cursor:pointer;padding:13px 16px;font-weight:600;list-style:none;display:flex;gap:12px;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;font-size:20px;line-height:1;color:var(--mut)}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 16px 14px;margin:0;color:var(--sub)}
.foot{margin-top:30px;padding:18px;border-radius:16px;background:var(--card);border:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.foot p{margin:0;font-size:14px;color:var(--mut);max-width:640px}
.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#1F232B;color:#fff;padding:10px 16px;border-radius:12px;font-size:14px;transition:.2s;z-index:50;max-width:calc(100% - 32px);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* زبان */
.tb .lng{font-size:13.5px;font-weight:600;color:var(--sub);text-decoration:none;padding:7px 10px;border-radius:9px;white-space:nowrap}
.tb .lng:hover{background:var(--soft);color:var(--txt)}
html[lang="en"] body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.7}
html[lang="en"] .m-bd text{font-family:Inter,system-ui,sans-serif}
html[lang="en"] .hero h1{letter-spacing:-.8px}
html[lang="en"] h2{letter-spacing:-.3px}
html[lang="en"] .ex span::before{content:"\201C"}
html[lang="en"] .ex span::after{content:"\201D"}
html[lang="en"] .steps li::before{content:counter(st)}
html[dir="ltr"] .try svg{transform:scaleX(-1)}