/* Layout: a risk-first EA and rebate hub. Sticky top bar, content in a 1120px column, a five-step risk scale as the recurring motif. */
/* Black-and-gold, dark by default; the toggle switches to an ivory light theme. */
:root{
  --bg:#0A0E15; --surface:#111722; --sunk:#0D121B; --ink:#ECE7DC; --muted:#9AA3B2; --line:#232C3B;
  --accent:#C9A55C; --accent-ink:#14110A; --accent-soft:#2A2416;
  --gold:#E0BE74; --gold-soft:#2A2416;
  --r1:#3FA37A; --r2:#93B14A; --r3:#D9AE3A; --r4:#E08A3C; --r5:#D25A43;
  --hero:#070A10; --hero-ink:#F1ECE1; --hero-muted:#A3ABBA;
  --display:"Noto Serif SC","Songti SC","STSong",serif;
  --body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#F6F4EF; --surface:#FFFFFF; --sunk:#EFECE5; --ink:#141821; --muted:#5E6573; --line:#E1DDD3;
  --accent:#8C6A2A; --accent-ink:#FFFFFF; --accent-soft:#F1E8D3; --gold:#A57C2E; --gold-soft:#F4ECDA;
  --r1:#2E8B57; --r2:#7FA83A; --r3:#C99A1A; --r4:#D9772E; --r5:#C2462F;
  --hero:#0E131C; --hero-ink:#F1ECE1; --hero-muted:#A3ABBA; color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.7}
a{color:var(--accent)}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);font-weight:900;line-height:1.25;margin:0;text-wrap:balance;letter-spacing:.02em}
h2{font-size:clamp(24px,3.4vw,32px)}
h3{font-size:19px}
p{margin:0}
.muted{color:var(--muted)}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.eyebrow{font-size:12.5px;letter-spacing:.14em;font-weight:700;color:var(--accent)}

/* top bar */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:31;background:var(--surface)}
.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none}
.logo b{font-family:var(--display);font-size:22px;font-weight:900}
.logo small{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.12em}
.logo svg{width:30px;height:30px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:15px;padding:8px 12px;border-radius:8px}
.nav a:hover{background:var(--sunk)}
.nav a[aria-current=page]{color:var(--accent);background:var(--accent-soft)}
.navbtn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;width:42px;height:38px;color:var(--ink);cursor:pointer}
@media (max-width:1180px){
  .navbtn{display:grid;place-items:center}
  .nav{display:none;position:absolute;left:0;right:0;top:64px;background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;padding:8px max(16px,env(safe-area-inset-right,0px)) 14px max(16px,env(safe-area-inset-left,0px))}
  .nav.open{display:flex}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;font-size:15px;padding:11px 20px;border-radius:10px;border:1px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.gold{background:var(--gold);color:#fff}
.btn.line{background:transparent;color:inherit;border-color:currentColor}
.btn.ghost{background:var(--sunk);color:var(--ink);border-color:var(--line)}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* hero */
.hero{background:var(--hero);color:var(--hero-ink);padding-block:56px 48px;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}}
.hero h1{font-size:clamp(34px,6vw,58px);letter-spacing:.01em}
.hero h1 em{font-style:normal;color:var(--r3)}
.hero p.lead{color:var(--hero-muted);font-size:17px;margin-top:16px;max-width:34em}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero .btn.line{color:var(--hero-ink)}
.scalecard{background:color-mix(in srgb,var(--hero-ink) 7%,transparent);border:1px solid color-mix(in srgb,var(--hero-ink) 16%,transparent);border-radius:16px;padding:20px;min-width:0}
.scalecard .row{display:grid;grid-template-columns:96px 1fr;gap:12px;align-items:center;padding:9px 0;border-top:1px solid color-mix(in srgb,var(--hero-ink) 12%,transparent);font-size:14px}
.scalecard .row:first-of-type{border-top:0}
.scalecard .k{color:var(--hero-muted)}

/* risk scale */
.risk{display:grid;gap:4px}
.risk .bars{display:grid;grid-template-columns:repeat(5,1fr);gap:3px}
.risk .bars i{height:8px;border-radius:2px;background:color-mix(in srgb,currentColor 14%,transparent)}
.risk .bars i.on:nth-child(1){background:var(--r1)}.risk .bars i.on:nth-child(2){background:var(--r2)}.risk .bars i.on:nth-child(3){background:var(--r3)}.risk .bars i.on:nth-child(4){background:var(--r4)}.risk .bars i.on:nth-child(5){background:var(--r5)}
.risk span{font-size:12.5px;font-weight:700}

/* sections */
section.block{padding-block:56px}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.head p{color:var(--muted);max-width:40em;margin-top:6px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:860px){.grid3{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;min-width:0}
.entry{display:grid;gap:10px;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.entry:hover{border-color:var(--accent);transform:translateY(-2px)}
.entry .n{font-family:var(--mono);font-size:12px;color:var(--muted)}
.entry .go{color:var(--accent);font-weight:700;font-size:14px}

/* EA cards */
.eacard{display:grid;gap:12px;cursor:pointer;text-align:left;font:inherit;color:inherit;width:100%}
.eacard:hover{border-color:var(--accent)}
.eatop{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:12.5px;font-weight:600;padding:2px 9px;border-radius:6px;background:var(--sunk);border:1px solid var(--line);white-space:nowrap}
.tag.sym{font-family:var(--mono);background:var(--accent-soft);border-color:transparent;color:var(--accent)}
.kv{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;border-top:1px dashed var(--line);padding-top:12px}
.kv div{display:grid;gap:0;min-width:0}
.kv span{font-size:12px;color:var(--muted)}
.kv b{font-family:var(--mono);font-size:15px;font-weight:600}
.kv b.pending{font-family:var(--body);font-size:13px;color:var(--muted);font-weight:500}

/* filters */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.filters label{display:grid;gap:4px;font-size:13px;color:var(--muted);min-width:140px;flex:1}
select,input[type=number],input[type=text]{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%;min-width:0}

/* modal */
dialog{border:1px solid var(--line);border-radius:16px;padding:0;max-width:640px;width:calc(100% - 32px);background:var(--surface);color:var(--ink)}
dialog::backdrop{background:rgba(5,15,12,.55)}
.dlg{padding:24px;display:grid;gap:16px}
.dlg ul{margin:0;padding-left:20px}
.x{position:absolute;right:12px;top:12px;background:var(--sunk);border:1px solid var(--line);border-radius:8px;width:36px;height:36px;cursor:pointer;color:var(--ink);font-size:18px}

/* rebate calculator */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
@media (max-width:760px){.calc{grid-template-columns:1fr}}
.calc .fields{display:grid;gap:14px}
.calc label{display:grid;gap:5px;font-size:14px;color:var(--muted)}
.result{background:var(--gold-soft);border-radius:14px;padding:22px;display:grid;gap:6px}
.result .big{font-family:var(--mono);font-size:clamp(34px,6vw,48px);font-weight:600;color:var(--gold);line-height:1.1}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:760px){.steps{grid-template-columns:1fr}}
.steps .card::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-family:var(--mono);font-weight:700;margin-bottom:10px}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{font-size:12.5px;color:var(--muted);font-weight:700;letter-spacing:.06em}
tr:last-child td{border-bottom:0}

/* faq */
details.faq{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px}
details.faq+details.faq{margin-top:10px}
details.faq summary{cursor:pointer;font-weight:700}
details.faq p{margin-top:8px;color:var(--muted)}

/* contact */
.contact{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.contact .card{display:grid;gap:8px}
.idline{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.idline code{font-family:var(--mono);font-size:17px;background:var(--sunk);padding:4px 10px;border-radius:8px;user-select:all}
.copy{font:inherit;font-size:13px;font-weight:700;background:none;border:1px solid var(--line);border-radius:8px;padding:5px 10px;cursor:pointer;color:var(--ink)}
.band{background:var(--accent);color:var(--accent-ink);border-radius:18px;padding:32px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
@media (max-width:760px){.band{grid-template-columns:1fr}}
.band p{opacity:.88;margin-top:6px}
.band .btn{background:var(--accent-ink);color:var(--accent)}
.prose{max-width:46em;display:grid;gap:14px}
.prose h3{margin-top:10px}
.prose ul{margin:0;padding-left:22px}

/* footer */
footer{border-top:1px solid var(--line);padding-block:36px calc(36px + env(safe-area-inset-bottom,0px));margin-top:24px;font-size:14px;color:var(--muted)}
footer .wrap{display:grid;gap:14px}
footer nav{display:flex;gap:18px;flex-wrap:wrap}
footer nav a{color:var(--ink);text-decoration:none}
.risknote{font-size:13px;line-height:1.6}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

.tiers4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
@media (max-width:860px){.tiers4{grid-template-columns:repeat(2,minmax(0,1fr))}}
.tools{display:flex;gap:6px;align-items:center;margin-left:12px;flex:none}
.iconbtn{font:inherit;font-weight:700;font-size:13px;min-width:38px;height:38px;padding:0 10px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;display:grid;place-items:center}
.iconbtn:hover{background:var(--sunk)}
.tools .navbtn{margin-left:0}
@media (max-width:1180px){.tools{margin-left:auto}}
.eacard>p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
/* library toolbar */
.libbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:12px}
.seg{display:inline-flex;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:3px;gap:2px}
.seg button{font:inherit;font-size:14px;font-weight:600;border:0;background:none;color:var(--muted);padding:7px 12px;border-radius:7px;cursor:pointer;white-space:nowrap}
.seg button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink)}
.search{flex:1;min-width:200px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
details.adv{margin-bottom:22px}
details.adv summary{cursor:pointer;font-weight:700;font-size:14px;color:var(--muted);padding:4px 0}
details.adv .filters{margin:10px 0 0}
.filters .chk{display:flex;align-items:center;gap:8px;align-self:end;padding-bottom:10px;color:var(--ink);font-size:14px}
/* EA cards with generated covers */
.eagrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.eacard2{display:grid;grid-template-rows:auto 1fr;padding:0;overflow:hidden;cursor:pointer;text-align:left;font:inherit;color:inherit;width:100%;transition:border-color .15s,transform .15s}
.eacard2:hover{border-color:var(--accent);transform:translateY(-2px)}
.cover{position:relative;aspect-ratio:16/8;width:100%;max-width:100%;overflow:hidden;background:var(--hero)}
.cover svg{position:absolute;inset:0;width:100%;height:100%}
.cover .badge{position:absolute;left:12px;top:10px;font-family:var(--mono);font-size:11.5px;font-weight:600;color:var(--hero-ink);background:color-mix(in srgb,var(--hero) 70%,transparent);padding:2px 8px;border-radius:6px;letter-spacing:.04em}
.cover .symb{position:absolute;left:12px;bottom:8px;text-shadow:0 1px 6px var(--hero);font-family:var(--mono);font-size:22px;font-weight:600;color:var(--hero-ink);opacity:.9;letter-spacing:.02em}
.cover .src{position:absolute;right:12px;top:10px;font-size:11.5px;font-weight:700;color:var(--hero);background:var(--r3);padding:2px 8px;border-radius:6px}
.cbody{display:grid;gap:8px;padding:14px 16px 16px;align-content:start}
.cbody h3{font-size:18px;overflow-wrap:anywhere;line-height:1.35}
.cbody .sub{font-size:13.5px;color:var(--muted)}
.cfoot{display:flex;justify-content:space-between;align-items:end;gap:10px;margin-top:4px}
.cfoot .go{font-size:13.5px;font-weight:700;color:var(--accent);white-space:nowrap}
dialog{max-width:760px;max-height:88vh;overflow:auto}
.dtabs{flex-wrap:wrap}
.ptable{min-width:480px;font-size:14px}
.ptable td:first-child{white-space:nowrap}
.steplist{margin:0;padding-left:22px;display:grid;gap:8px}
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}
.fcard{padding:0;overflow:hidden;display:grid;grid-template-rows:auto 1fr;border-color:color-mix(in srgb,var(--gold) 45%,var(--line))}
.fcover{position:relative}
.fcover .cover{aspect-ratio:16/7}
.fcover .hot{position:absolute;left:12px;bottom:10px;background:var(--gold);color:#fff;font-weight:700;font-size:12.5px;padding:3px 10px;border-radius:6px}
.fcover .symb{display:none}
.fbody{display:grid;gap:10px;padding:18px 20px 20px;align-content:start}
.fbody h3{font-size:22px}
.steps5{grid-template-columns:repeat(5,minmax(0,1fr))}
@media (max-width:1000px){.steps5{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.steps5{grid-template-columns:1fr}}

/* premium details */
.card{border-color:var(--line);box-shadow:0 1px 0 color-mix(in srgb,var(--accent) 10%,transparent) inset}
.hero{background:radial-gradient(120% 140% at 85% 0%,color-mix(in srgb,var(--accent) 18%,var(--hero)) 0%,var(--hero) 55%);border-bottom:1px solid color-mix(in srgb,var(--accent) 25%,transparent)}
.hero h1 em{color:var(--gold)}
.eyebrow{color:var(--gold)}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.gold{background:linear-gradient(180deg,#E7C97F,#B98F3F);color:#17120A;border-color:transparent}
.band{background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 22%,var(--surface)),var(--surface));color:var(--ink);border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line))}
.band .btn{background:linear-gradient(180deg,#E7C97F,#B98F3F);color:#17120A}
.nav a[aria-current=page]{color:var(--gold);background:var(--accent-soft)}
.seg button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink)}
.tag.sym{background:var(--accent-soft);color:var(--gold)}
.topbar{background:color-mix(in srgb,var(--bg) 88%,transparent)}
body::before{background:var(--bg)}
.scalecard{border-color:color-mix(in srgb,var(--accent) 30%,transparent)}
.result{background:var(--accent-soft)}
.result .big{color:var(--gold)}
/* broker picker */
.brokers{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.brokers button{font:inherit;font-weight:600;text-align:left;padding:14px 16px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.brokers button[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.brokers button small{display:block;font-size:11.5px;font-weight:600;color:var(--gold);margin-top:2px}
.bpanel{margin-top:16px;padding:22px;border-radius:14px;border:1px solid var(--line);background:var(--surface);display:grid;gap:10px}
.bpanel h3{font-size:24px}

.iconbtn.acct{text-decoration:none;white-space:nowrap}
.iconbtn.acct.in{color:var(--gold);border-color:color-mix(in srgb,var(--gold) 45%,var(--line))}
.nav a{white-space:nowrap}