:root{--navy-950:#050F22;--navy-900:#0A1A36;--navy-800:#0F2650;--navy-700:#163568;--gold:#D4A437;--gold-300:#F0C25A;--gold-50:#FBF5E6;
--ink:#0E1B33;--ink-2:#33415C;--muted:#5E6B85;--line:#E4E8F0;--paper:#F5F7FB;--white:#fff;--green:#12A15F;--red:#D64545;
--r-sm:10px;--r:16px;--r-lg:24px;--shadow:0 1px 2px rgba(14,27,51,.06),0 8px 24px -8px rgba(14,27,51,.12);--shadow-lg:0 30px 60px -20px rgba(5,15,34,.45);
--font:"Inter","Mukta",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--wrap:1200px;--hdr:64px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.65;color:var(--ink);background:var(--paper);overflow-x:clip;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
img{height:auto}
svg[aria-hidden]{width:1.15em;height:1.15em;flex-shrink:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;letter-spacing:-.01em;font-weight:800}
h1{font-size:clamp(2rem,6.2vw,3.6rem)}
h2{font-size:clamp(1.6rem,4vw,2.4rem)}
h3{font-size:1.18rem;font-weight:700}
p{margin:0 0 1em}
button,input,select{font:inherit}
:focus-visible{outline:3px solid var(--gold-300);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 32px}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.gold{color:var(--gold-300)}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 14px;border-radius:8px;z-index:100}.skip:focus{left:8px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:48px;padding:0 22px;border-radius:999px;font-weight:700;font-size:1rem;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn:active{transform:scale(.98)}
.btn-gold{background:linear-gradient(180deg,#F2C863,#D4A437);color:#1A1405;box-shadow:0 8px 20px -8px rgba(212,164,55,.7)}
.btn-gold:hover{box-shadow:0 12px 28px -8px rgba(212,164,55,.85);transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-navy{background:var(--navy-800);color:#fff}.btn-navy:hover{background:var(--navy-700)}
.btn-line{border-color:var(--line);background:#fff;color:var(--ink)}.btn-line:hover{border-color:#c9d1df}
.btn-sm{min-height:40px;padding:0 16px;font-size:.92rem}
.btn-block{width:100%}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(5,15,34,.86);backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid rgba(255,255,255,.07);color:#fff}
.hdr .wrap{height:var(--hdr);display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;letter-spacing:-.01em;flex-shrink:0}
.brand img{width:38px;height:38px;border-radius:50%}
.brand b{color:var(--gold-300)}
.nav{display:none;gap:4px;margin-left:24px}
.nav a{padding:8px 14px;border-radius:999px;color:#C9D3E6;font-weight:600;font-size:.97rem}
.nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav a[aria-current=page]{color:#fff;background:rgba(240,194,90,.14);box-shadow:inset 0 0 0 1px rgba(240,194,90,.35)}
.hdr-cta{margin-left:auto;display:flex;align-items:center;gap:8px}
.hdr-cta .login{display:none;color:#DCE3F1;font-weight:600;padding:8px 12px}
.hdr-cta .btn{min-height:40px;padding:0 16px;font-size:.92rem}
.menu-btn{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.04);color:#fff;display:grid;place-items:center;cursor:pointer}
.menu-btn svg{width:22px;height:22px}.menu-btn .x{display:none}
.nav-open .menu-btn .x{display:block}.nav-open .menu-btn .bars{display:none}
.mpanel{display:none;position:fixed;inset:var(--hdr) 0 0 0;background:var(--navy-950);padding:16px 20px 32px;overflow:auto;z-index:49}
.nav-open .mpanel{display:block;animation:drop .22s ease}
@keyframes drop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.mpanel a.ml{display:flex;align-items:center;justify-content:space-between;min-height:56px;padding:0 6px;border-bottom:1px solid rgba(255,255,255,.08);font-size:1.12rem;font-weight:600;color:#E7ECF6}
.mpanel a.ml[aria-current=page]{color:var(--gold-300)}
.mpanel a.ml small{color:#8D9AB5;font-weight:500;font-size:.85rem}
.mpanel .mp-cta{display:grid;gap:10px;margin-top:22px}
.mpanel .note{margin-top:22px;color:#8D9AB5;font-size:.88rem;text-align:center}
@media(max-width:400px){.hdr-cta .tg-txt{display:none}.hdr-cta .btn{padding:0 12px}}
@media(min-width:960px){.nav{display:flex}.menu-btn,.mpanel{display:none!important}.hdr-cta .login{display:inline-block}}

/* hero */
.hero{position:relative;color:#fff;background:radial-gradient(1000px 500px at 85% -10%,rgba(212,164,55,.22),transparent 60%),radial-gradient(800px 600px at -10% 110%,rgba(36,84,170,.35),transparent 60%),linear-gradient(180deg,var(--navy-950),var(--navy-900));overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse at 70% 30%,#000 20%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 70% 30%,#000 20%,transparent 70%)}
.hero .wrap{position:relative;display:grid;gap:40px;padding-top:44px;padding-bottom:56px}
@media(min-width:1024px){.hero .wrap{grid-template-columns:1.05fr .95fr;align-items:center;padding-top:80px;padding-bottom:96px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(240,194,90,.1);border:1px solid rgba(240,194,90,.3);color:var(--gold-300);font-weight:600;font-size:.88rem}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--gold-300);box-shadow:0 0 0 4px rgba(240,194,90,.2)}
.hero h1{margin:18px 0 16px}
.hero .lead{font-size:clamp(1.05rem,2.4vw,1.2rem);color:#C3CDE0;max-width:36em}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px}
@media(max-width:480px){.hero .ctas .btn{flex:1 1 100%}}
.ticks{display:flex;flex-wrap:wrap;gap:10px 22px;padding:0;margin:0;list-style:none;color:#AEB9CF;font-size:.95rem}
.ticks li{display:flex;align-items:center;gap:8px}.ticks svg{width:18px;height:18px;color:var(--gold-300)}
.fade-up{animation:fu .7s cubic-bezier(.2,.7,.2,1) both}.d1{animation-delay:.08s}.d2{animation-delay:.16s}.d3{animation-delay:.24s}
@keyframes fu{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.hero-visual{position:relative;max-width:560px;width:100%;margin:0 auto}
.glass{background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);backdrop-filter:blur(8px)}
.hv-main{padding:16px}
.hv-main img{border-radius:14px;width:100%;height:auto}
.hv-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 4px 4px}
.hv-meta h3{font-size:1.02rem;margin:4px 0 0;color:#fff}
.hv-meta small{color:#9FB0CF}
.pbar{height:6px;background:rgba(255,255,255,.12);border-radius:9px;overflow:hidden;margin-top:12px}.pbar i{display:block;height:100%;background:linear-gradient(90deg,#F2C863,#D4A437);border-radius:9px}
.float{position:absolute;padding:12px 14px;display:flex;gap:10px;align-items:center;font-size:.86rem;color:#E5EBF6;max-width:250px;animation:bob 6s ease-in-out infinite}
.float b{display:block;color:#fff;font-size:.9rem}
.float .ic{flex-shrink:0;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:rgba(240,194,90,.16);color:var(--gold-300)}
.float .ic svg{width:18px;height:18px}
.f1{top:-18px;right:-10px}.f2{bottom:-22px;left:-14px;animation-delay:-3s}
@media(max-width:600px){.float{position:static;max-width:none;margin-top:12px;animation:none}.hero-visual .floats{display:grid;grid-template-columns:1fr 1fr;gap:10px}.float{margin:0;font-size:.8rem}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* disclaimer strip */
.strip{background:var(--gold-50);border-bottom:1px solid #F0E3BF;color:#6B5310;font-size:.93rem}
.strip .wrap{display:flex;align-items:center;justify-content:center;gap:10px;padding-top:12px;padding-bottom:12px;text-align:center}
.strip svg{width:18px;height:18px;flex-shrink:0}

/* sections */
.sec{padding:64px 0}
@media(min-width:1024px){.sec{padding:96px 0}}
.sec-white{background:#fff}
.sec-head{max-width:720px;margin-bottom:36px}
.sec-head.center{text-align:center;margin-left:auto;margin-right:auto}
.kicker{display:inline-block;font-size:.8rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#A57F1E;margin-bottom:10px}
.sec-head p{color:var(--muted);font-size:1.06rem}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.grid-2{display:grid;gap:22px}
@media(min-width:900px){.grid-2{grid-template-columns:1fr 1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s}
a.card:hover,.card.hov:hover{transform:translateY(-3px);box-shadow:0 2px 4px rgba(14,27,51,.06),0 18px 40px -14px rgba(14,27,51,.22);border-color:#d6dce8}
.topic .ic{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy-800),var(--navy-700));color:var(--gold-300);margin-bottom:16px}
.topic .ic svg{width:24px;height:24px}
.topic p{color:var(--muted);margin:0 0 14px;font-size:.98rem}
.lvl{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:700;padding:4px 10px;border-radius:999px;background:#EEF2FA;color:var(--navy-700)}
.lvl.b{background:#E8F7EF;color:#0E7A47}.lvl.i{background:#EEF2FF;color:#3B4FC4}.lvl.a{background:#FDEFE7;color:#B4521B}.lvl.g{background:var(--gold-50);color:#8A6A12}.lvl.r{background:#FDECEC;color:#B23434}
.more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--navy-700)}
.more svg{width:16px;height:16px;transition:transform .2s}a:hover .more svg,.more:hover svg{transform:translateX(3px)}

/* path */
.path{display:grid;gap:12px;margin-top:28px;counter-reset:s}
@media(min-width:768px){.path{grid-template-columns:repeat(4,1fr)}}
.step{position:relative;padding:18px 18px 18px 64px;border-radius:var(--r);background:var(--paper);border:1px dashed #CDD5E4}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:16px;top:16px;width:34px;height:34px;border-radius:50%;background:var(--navy-800);color:var(--gold-300);display:grid;place-items:center;font-weight:800}
.step b{display:block}.step span{color:var(--muted);font-size:.92rem}

/* alerts */
.alert{display:flex;flex-direction:column;gap:14px}
.a-top{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:800;padding:5px 11px;border-radius:999px;background:var(--navy-800);color:#fff;letter-spacing:.02em}
.tag.gold{background:var(--gold-50);color:#8A6A12}
.a-time{color:var(--muted);font-size:.86rem;display:flex;align-items:center;gap:6px}.a-time svg{width:15px;height:15px}
.alert h3{margin:0}
.qa{border-radius:12px;padding:14px 16px}
.qa h4{font-size:.8rem;text-transform:none;letter-spacing:.02em;margin:0 0 4px;display:flex;align-items:center;gap:8px}
.qa p{margin:0;font-size:.98rem;color:var(--ink-2)}
.qa.what{background:#F1F4FA;border-left:4px solid var(--navy-700)}.qa.what h4{color:var(--navy-700)}
.qa.mean{background:#FBF6EA;border-left:4px solid var(--gold)}.qa.mean h4{color:#8A6A12}
.a-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding-top:4px;border-top:1px solid var(--line);margin-top:auto;padding-top:14px;font-size:.92rem}
.edu{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:.84rem}.edu svg{width:15px;height:15px}

/* practice teaser */
.prac{display:grid;gap:22px}
@media(min-width:960px){.prac{grid-template-columns:1.1fr .9fr}}
.quiz h3{font-size:1.2rem;line-height:1.45}
.qmeta{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;color:var(--muted);font-size:.88rem;gap:8px;flex-wrap:wrap}
.opts{display:grid;gap:10px;margin:16px 0 0;padding:0;list-style:none}
.opt{width:100%;text-align:left;display:flex;align-items:center;gap:12px;min-height:54px;padding:12px 16px;border-radius:12px;border:1.5px solid var(--line);background:#fff;cursor:pointer;font-weight:600;color:var(--ink);transition:border-color .15s,background .15s}
.opt:hover{border-color:#B9C4D8;background:#FAFBFD}
.opt .k{width:30px;height:30px;flex-shrink:0;border-radius:8px;background:#EEF2FA;display:grid;place-items:center;font-weight:800;color:var(--navy-700);font-size:.9rem}
.opt.ok{border-color:var(--green);background:#EAF8F0}.opt.ok .k{background:var(--green);color:#fff}
.opt.no{border-color:var(--red);background:#FDEEEE}.opt.no .k{background:var(--red);color:#fff}
.explain{display:none;margin-top:14px;padding:14px 16px;border-radius:12px;background:#F1F4FA;color:var(--ink-2);font-size:.96rem}
.explain.show{display:block;animation:fu .3s ease}
.practice-badge{display:inline-flex;align-items:center;gap:6px;background:#FFF4D6;color:#7A5A00;border:1px solid #F3D57E;font-weight:800;font-size:.76rem;letter-spacing:.1em;padding:5px 10px;border-radius:8px}
.pt{background:linear-gradient(180deg,var(--navy-900),var(--navy-950));color:#fff;border:0}
.pt p{color:#B8C3D9}
.bal{display:flex;align-items:baseline;gap:10px;margin:16px 0 4px;flex-wrap:wrap}
.bal b{font-size:2rem;letter-spacing:-.02em}.bal small{color:#9FB0CF}
.ticket{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}
.fld{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:10px 12px}
.fld small{display:block;color:#8D9AB5;font-size:.76rem}.fld span{font-weight:700}
.pbtns{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pbtns button{min-height:48px;border-radius:12px;border:0;font-weight:800;color:#fff;cursor:pointer}
.pb-buy{background:#159A5B}.pb-sell{background:#C93C3C}

/* telegram */
.tgband{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:36px 24px;color:#fff;background:radial-gradient(600px 300px at 100% 0,rgba(240,194,90,.25),transparent 60%),linear-gradient(135deg,var(--navy-800),var(--navy-950));display:grid;gap:24px;align-items:center}
@media(min-width:900px){.tgband{grid-template-columns:1.4fr auto;padding:52px 56px}}
.tgband h2{margin:0 0 8px}.tgband p{color:#C3CDE0;margin:0}
.tg-ic{width:56px;height:56px;border-radius:16px;background:#229ED9;display:grid;place-items:center;margin-bottom:16px}.tg-ic svg{width:28px;height:28px;color:#fff}
.tgband .handle{display:block;color:#9FB0CF;font-size:.9rem;margin-top:10px;text-align:center}

/* faq */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px}
.faq summary{cursor:pointer;list-style:none;min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--gold);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding-bottom:18px;margin:0}

/* support placeholder */
.support{border:1.5px dashed #D9C78F;background:#FFFCF3;border-radius:var(--r);padding:24px;display:grid;gap:14px;align-items:center}
@media(min-width:800px){.support{grid-template-columns:auto 1fr auto}}
.support .ic{width:52px;height:52px;border-radius:50%;background:var(--gold-50);display:grid;place-items:center;color:#A57F1E}.support .ic svg{width:24px;height:24px}
.support h3{margin:0 0 4px}.support p{margin:0;color:var(--muted);font-size:.95rem}
.addr{font-family:ui-monospace,Menlo,monospace;font-size:.85rem;background:#fff;border:1px solid #EEDFB2;border-radius:10px;padding:10px 14px;color:#8A7A4A}

/* footer */
.ftr{background:var(--navy-950);color:#AEB9CF;padding:56px 0 28px;margin-top:0}
.fgrid{display:grid;gap:32px;grid-template-columns:1fr 1fr}
.fgrid .about{grid-column:1/-1}
@media(min-width:900px){.fgrid{grid-template-columns:1.6fr 1fr 1fr 1fr}.fgrid .about{grid-column:auto}}
.ftr h4{color:#fff;font-size:.95rem;margin-bottom:12px}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.ftr ul a{display:inline-block;padding:6px 0;color:#AEB9CF}.ftr ul a:hover{color:#fff}
.ftr .brand{color:#fff;margin-bottom:12px}
.fbot{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);display:grid;gap:12px;font-size:.86rem}
.motto{display:inline-flex;align-self:start;justify-self:start;padding:10px 16px;border-radius:12px;background:rgba(240,194,90,.1);border:1px solid rgba(240,194,90,.25);color:var(--gold-300);font-weight:800;letter-spacing:.02em}
@media(min-width:900px){.fbot{grid-template-columns:1fr auto;align-items:center}}

/* page hero (inner pages) */
.phero{background:radial-gradient(700px 300px at 90% 0,rgba(212,164,55,.18),transparent 60%),linear-gradient(180deg,var(--navy-950),var(--navy-900));color:#fff;padding:40px 0 44px}
@media(min-width:1024px){.phero{padding:64px 0 64px}}
.phero h1{font-size:clamp(1.9rem,5vw,3rem);margin:14px 0 10px}
.phero p{color:#C3CDE0;max-width:40em;margin:0;font-size:1.05rem}
.search{margin-top:24px;position:relative;max-width:560px}
.search input{width:100%;min-height:52px;border-radius:14px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);color:#fff;padding:0 16px 0 46px;font-size:1rem}
.search input::placeholder{color:#8D9AB5}
.search svg{position:absolute;left:15px;top:15px;width:22px;height:22px;color:#8D9AB5}
.chips{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 8px;margin:0 -20px;padding-left:20px;padding-right:20px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
@media(min-width:768px){.chips{margin:0;padding-left:2px;flex-wrap:wrap}}
.chip{flex-shrink:0;min-height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-weight:600;cursor:pointer}
.chip[aria-pressed=true]{background:var(--navy-800);border-color:var(--navy-800);color:#fff}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:22px}

/* lesson cards */
.lcard{display:flex;flex-direction:column;padding:0;overflow:hidden}
.thumb{position:relative;aspect-ratio:16/8;background:linear-gradient(135deg,var(--navy-800),var(--navy-950));overflow:hidden}
.thumb svg.sp{position:absolute;inset:auto 0 0 0;width:100%;height:70%;opacity:.9}
.thumb .ti{position:absolute;left:16px;top:16px;width:44px;height:44px;border-radius:12px;background:rgba(240,194,90,.15);color:var(--gold-300);display:grid;place-items:center}.thumb .ti svg{width:22px;height:22px}
.thumb .new{position:absolute;right:14px;top:14px;background:var(--gold-300);color:#1A1405;font-weight:800;font-size:.72rem;padding:4px 9px;border-radius:999px;letter-spacing:.06em}
.lbody{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.lbody h3{margin:0;font-size:1.1rem}
.lbody p{margin:0;color:var(--muted);font-size:.95rem}
.lmeta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;padding-top:10px;color:var(--muted);font-size:.86rem}
.lmeta span{display:flex;align-items:center;gap:6px}.lmeta svg{width:15px;height:15px}
.done{color:var(--green)!important;font-weight:700}
.continue{display:grid;gap:18px;align-items:center;margin-top:-28px;position:relative;z-index:2}
@media(min-width:768px){.continue{grid-template-columns:auto 1fr auto}}
.continue .ci{width:56px;height:56px;border-radius:16px;background:var(--gold-50);color:#A57F1E;display:grid;place-items:center}.continue .ci svg{width:26px;height:26px}
.continue h3{margin:2px 0 6px}.continue small{color:var(--muted)}

/* lesson detail */
.crumb{display:flex;gap:8px;flex-wrap:wrap;color:#9FB0CF;font-size:.9rem}.crumb a:hover{color:#fff}
.lmeta-h{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;margin-top:16px;color:#B8C3D9;font-size:.92rem}
.lmeta-h span{display:flex;align-items:center;gap:6px}.lmeta-h svg{width:16px;height:16px}
.lesson{display:grid;gap:32px;padding:36px 0 72px}
@media(min-width:1024px){.lesson{grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding:56px 0 96px}}
.article{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 20px;box-shadow:var(--shadow);min-width:0}
@media(min-width:768px){.article{padding:44px 52px}}
.article h2{font-size:clamp(1.35rem,3vw,1.7rem);margin-top:1.6em;scroll-margin-top:90px}
.article h2:first-child{margin-top:0}
.article p,.article li{font-size:1.06rem;color:var(--ink-2);line-height:1.8}
.article ul{padding-left:1.2em}
.fig{margin:22px 0 26px}
.fig img{width:100%;height:auto;border-radius:16px;box-shadow:0 12px 30px -14px rgba(5,15,34,.5)}
.fig figcaption{margin-top:10px;font-size:.92rem;color:var(--muted);display:flex;gap:8px}
.fig figcaption b{color:var(--navy-700);white-space:nowrap}
.callout{display:flex;gap:14px;padding:16px 18px;border-radius:14px;margin:18px 0;background:#FDEEEE;border:1px solid #F6CACA}
.callout svg{width:22px;height:22px;flex-shrink:0;color:var(--red);margin-top:3px}
.callout p{margin:0!important;font-size:1rem!important}
.callout.ok{background:#EAF8F0;border-color:#BFE8D2}.callout.ok svg{color:var(--green)}
.formula{background:var(--navy-900);color:#fff;border-radius:14px;padding:18px 20px;margin:18px 0;overflow-x:auto}
.formula code{font-family:ui-monospace,Menlo,monospace;font-size:.98rem;color:var(--gold-300);white-space:normal}
.formula p{color:#C3CDE0!important;margin:10px 0 0!important;font-size:.95rem!important}
.keys{background:var(--gold-50);border:1px solid #F0E3BF;border-radius:16px;padding:20px 22px;margin-top:28px}
.keys h3{display:flex;align-items:center;gap:8px}.keys svg{width:20px;height:20px;color:#A57F1E}
.keys ul{margin:0}
.aside{display:grid;gap:16px;align-content:start}
@media(min-width:1024px){.aside{position:sticky;top:88px}}
.toc a{display:block;padding:9px 12px;border-radius:10px;color:var(--ink-2);font-weight:500;font-size:.95rem;border-left:3px solid transparent}
.toc a:hover{background:var(--paper)}.toc a.on{border-left-color:var(--gold);background:var(--gold-50);color:var(--ink);font-weight:700}
.aside h4{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.pn{display:grid;gap:12px;margin-top:28px}
@media(min-width:640px){.pn{grid-template-columns:1fr 1fr}}
.pn a{padding:16px 18px}.pn small{color:var(--muted);display:block}.pn b{display:block;margin-top:2px}
.pn a:last-child{text-align:right}
@media(max-width:1023px){.aside .toc-card{display:none}}

/* feed */
.feed-l{display:grid;gap:28px}
@media(min-width:1024px){.feed-l{grid-template-columns:minmax(0,1fr) 320px;align-items:start}}
.feed{display:grid;gap:18px}
.notify{display:flex;flex-direction:column;gap:12px}
.notify .ic{width:46px;height:46px;border-radius:14px;background:var(--gold-50);color:#A57F1E;display:grid;place-items:center}.notify .ic svg{width:22px;height:22px}
.daysep{display:flex;align-items:center;gap:12px;color:var(--muted);font-weight:700;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase}
.daysep::after{content:"";flex:1;height:1px;background:var(--line)}

/* practice page */
.qcard-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap}
.qprog{height:8px;border-radius:9px;background:#EEF2FA;overflow:hidden;margin:10px 0 18px}.qprog i{display:block;height:100%;width:30%;background:linear-gradient(90deg,#F2C863,#D4A437)}
.calc{display:grid;gap:12px;grid-template-columns:1fr 1fr}
.calc label{display:grid;gap:6px;font-size:.88rem;font-weight:600;color:var(--ink-2)}
.calc input{min-height:48px;border-radius:12px;border:1.5px solid var(--line);padding:0 12px;font-size:1rem;width:100%;background:#fff;color:var(--ink)}
.calc input:focus{border-color:var(--gold);outline:none;box-shadow:0 0 0 4px rgba(212,164,55,.15)}
.calc .res{grid-column:1/-1;background:var(--navy-900);color:#fff;border-radius:14px;padding:16px 18px;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.calc .res b{font-size:1.6rem;color:var(--gold-300)}
.qlist{display:grid;gap:10px}
.qitem{display:flex;align-items:center;gap:14px;padding:14px 16px}
.qitem .n{width:42px;height:42px;border-radius:12px;background:#EEF2FA;display:grid;place-items:center;font-weight:800;color:var(--navy-700);flex-shrink:0}
.qitem div{flex:1;min-width:0}.qitem small{color:var(--muted)}
.score{font-weight:800;color:var(--green)}
.positions{width:100%;border-collapse:collapse;font-size:.88rem;margin-top:14px}
.positions th{text-align:left;color:#8D9AB5;font-weight:600;padding:8px 6px;border-bottom:1px solid rgba(255,255,255,.1)}
.positions td{padding:10px 6px;border-bottom:1px solid rgba(255,255,255,.06)}
.pos{color:#4ADE9B;font-weight:700}
.pt-chart{border-radius:14px;overflow:hidden;margin-top:14px}

/* auth */
.auth{min-height:calc(100vh - var(--hdr));display:grid}
@media(min-width:960px){.auth{grid-template-columns:1fr 1fr}}
.auth-side{display:none;color:#fff;padding:64px;background:radial-gradient(600px 400px at 0 100%,rgba(212,164,55,.2),transparent 60%),linear-gradient(160deg,var(--navy-900),var(--navy-950))}
@media(min-width:960px){.auth-side{display:flex;flex-direction:column;justify-content:center}}
.auth-side h2{font-size:2.3rem;margin:24px 0 14px}.auth-side p{color:#C3CDE0}
.auth-side ul{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:14px}
.auth-side li{display:flex;gap:12px;align-items:flex-start;color:#DCE3F1}.auth-side li svg{width:22px;height:22px;color:var(--gold-300);flex-shrink:0;margin-top:2px}
.auth-main{display:flex;align-items:center;justify-content:center;padding:32px 20px 56px}
.auth-card{width:100%;max-width:440px}
.auth-card .brand{color:var(--ink);justify-content:center;margin-bottom:18px}
.auth-card h1{font-size:1.8rem;text-align:center;margin-bottom:6px}
.auth-card .sub{text-align:center;color:var(--muted);margin-bottom:24px}
.tabs{display:grid;grid-template-columns:1fr 1fr;background:#EAEEF6;border-radius:14px;padding:5px;margin-bottom:22px}
.tabs button{min-height:44px;border:0;border-radius:10px;background:transparent;font-weight:700;color:var(--muted);cursor:pointer}
.tabs button[aria-selected=true]{background:#fff;color:var(--ink);box-shadow:var(--shadow)}
.form{display:grid;gap:14px}
.form label{display:grid;gap:6px;font-weight:600;font-size:.92rem;color:var(--ink-2)}
.form input{min-height:52px;border-radius:12px;border:1.5px solid var(--line);padding:0 14px;font-size:1rem;background:#fff;color:var(--ink)}
.form input:focus{border-color:var(--gold);outline:none;box-shadow:0 0 0 4px rgba(212,164,55,.15)}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:.9rem;flex-wrap:wrap}
.row-between a{color:var(--navy-700);font-weight:600}
.check{display:flex!important;grid-template-columns:none;align-items:center;gap:8px!important;font-weight:500!important}
.check input{min-height:auto;width:18px;height:18px;accent-color:var(--navy-800)}
.fine{font-size:.84rem;color:var(--muted);text-align:center;margin-top:18px}
.hide{display:none!important}

/* dashboard */
.dash{display:grid;gap:24px;padding:28px 0 72px}
@media(min-width:1024px){.dash{grid-template-columns:240px minmax(0,1fr);gap:32px;padding:40px 0 96px}}
.side{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;margin:0 -20px;padding:0 20px}
.side::-webkit-scrollbar{display:none}
.side a{flex-shrink:0;display:flex;align-items:center;gap:10px;min-height:44px;padding:0 14px;border-radius:12px;color:var(--ink-2);font-weight:600;background:#fff;border:1px solid var(--line)}
.side a svg{width:18px;height:18px}
.side a.on{background:var(--navy-800);color:#fff;border-color:var(--navy-800)}
@media(min-width:1024px){.side{flex-direction:column;margin:0;padding:0;position:sticky;top:88px;align-self:start}.side a{background:transparent;border-color:transparent}.side a:hover{background:#fff}}
.dhead{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.dhead h1{font-size:clamp(1.6rem,4vw,2.2rem);margin:0}
.dhead p{margin:4px 0 0;color:var(--muted)}
.stats{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
@media(min-width:900px){.stats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat{padding:18px}
.stat small{color:var(--muted);font-weight:600;font-size:.85rem}
.stat b{display:block;font-size:1.7rem;letter-spacing:-.02em;margin-top:4px}
.stat span{font-size:.82rem;color:var(--green);font-weight:700}
.dgrid{display:grid;gap:18px;margin-top:18px}
@media(min-width:1100px){.dgrid{grid-template-columns:1.4fr 1fr}}
.card h3.ch{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:1.05rem;margin-bottom:14px}
.card h3.ch a{font-size:.88rem;color:var(--navy-700)}
.cont{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.cont img{width:150px;border-radius:12px;flex-shrink:0}
@media(max-width:480px){.cont img{width:100%}}
.cont div{flex:1;min-width:200px}
.mods{display:grid;gap:14px}
.mod .top{display:flex;justify-content:space-between;font-size:.92rem;font-weight:600;margin-bottom:6px}
.mod .bar{height:8px;border-radius:9px;background:#EEF2FA;overflow:hidden}.mod .bar i{display:block;height:100%;border-radius:9px;background:var(--navy-700)}
.mod.g .bar i{background:linear-gradient(90deg,#F2C863,#D4A437)}
.list{display:grid}
.list a,.list div.li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);min-height:52px}
.list > :last-child{border-bottom:0}
.list small{color:var(--muted)}
.wl .sym{display:flex;align-items:center;gap:12px}.wl .flag{width:38px;height:38px;border-radius:50%;background:#EEF2FA;display:grid;place-items:center;font-weight:800;font-size:.72rem;color:var(--navy-700)}
.ring{--p:68;width:88px;height:88px;border-radius:50%;background:conic-gradient(var(--gold) calc(var(--p)*1%),#EEF2FA 0);display:grid;place-items:center;flex-shrink:0}
.ring b{width:68px;height:68px;border-radius:50%;background:#fff;display:grid;place-items:center;font-size:1.1rem}

.qa h4 svg{width:16px;height:16px}
.practice-badge svg{width:14px;height:14px}
.list a svg{width:18px;height:18px;color:var(--muted)}
.brand span{white-space:nowrap}
.f1{top:-26px;right:-22px}
@media(max-width:1023px){.f1{right:-6px}}
.brand img{height:38px}
.auth-side .brand img,.auth-card .brand img{height:44px}
.float{background:linear-gradient(180deg,#13305F,#0C2147);border-color:rgba(240,194,90,.28)}
@media(min-width:601px){.f2{top:44%;bottom:auto;left:-56px}}
@media(min-width:601px) and (max-width:1100px){.f2{left:-12px}}
.kicker{letter-spacing:.03em}.aside h4,.daysep{letter-spacing:.02em}