.ebk{--paper:#0b1120;--surface:#111a2c;--panel:#080e1b;--ink:#e9f0fc;--ink-soft:#a4b3d1;--ink-faint:#7483a3;--line:#213049;--line-strong:#2b3d5c;--accent:#f2a835;--accent-hi:#ffbe4d;--on-accent:#241700;--accent-text:#f2a835;--panel-ink:#e9f0fc;--panel-soft:#9fb0d0;--panel-line:#1c2b45;--good:#39c98c;--bad:#ff6b5a;--maxw:1000px;--fs-1:clamp(2.4rem, 5.4vw, 3.9rem);--fs-2:clamp(1.8rem, 3.3vw, 2.5rem);--ebk-sans:var(--sans);--ebk-mono:var(--mono);--grid:26px;background-color:var(--paper);color:var(--ink);font-family:var(--ebk-sans);background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);background-size:var(--grid) var(--grid);background-position:top;font-size:17px;line-height:1.6;position:relative}[data-theme=light] .ebk{--paper:#e9edf4;--surface:#fff;--panel:#14213a;--ink:#111a2b;--ink-soft:#4a5878;--ink-faint:#616b81;--line:#d0d8e6;--line-strong:#bcc7db;--accent:#e5900c;--accent-hi:#f4a924;--on-accent:#2a1b00;--accent-text:#975f07;--panel-ink:#eaf0fb;--panel-soft:#a9b7d4;--panel-line:#2a3a5c;--good:#1a875c;--bad:#c0392b}.ebk:before{content:"";pointer-events:none;background:radial-gradient(ellipse at 50% 0%, transparent, var(--paper) 78%);position:absolute;inset:0}.ebk>*{position:relative}.ebk h1,.ebk h2,.ebk h3{text-wrap:balance;letter-spacing:-.02em;margin:0;line-height:1.08}.ebk p{margin:0}.ebk img{max-width:100%;height:auto;display:block}.ebk .wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:22px}.ebk section{padding-block:clamp(52px,7.5vw,88px)}.ebk .draftbar{background:var(--accent);color:var(--on-accent);font-family:var(--ebk-mono);letter-spacing:.04em;text-align:center;padding:9px 16px;font-size:.78rem;font-weight:700;line-height:1.45}.ebk .draftbar b{text-transform:uppercase;letter-spacing:.12em}.ebk .eyebrow{font-family:var(--ebk-mono);letter-spacing:.22em;text-transform:uppercase;color:var(--accent-text);align-items:center;gap:.6em;font-size:.74rem;font-weight:600;display:inline-flex}.ebk .eyebrow:before{content:"";width:var(--grid);background:var(--accent);height:1px;display:inline-block}.ebk .head h2{margin-top:16px}.ebk h2{font-size:var(--fs-2);font-weight:800}.ebk h3{font-weight:700}.ebk .lead{color:var(--ink-soft);max-width:62ch;margin-top:14px;font-size:1.12rem}.ebk .micro{font-family:var(--ebk-mono);color:var(--ink-faint);letter-spacing:.02em;font-size:.8rem}.ebk .punch{margin-top:30px;font-size:1.28rem;font-weight:700}.ebk .punch b{color:var(--accent-text)}.ebk .btn{background:var(--accent);color:var(--on-accent);font-family:var(--ebk-mono);cursor:pointer;border:1px solid #00000024;border-radius:3px;align-items:center;gap:.6em;padding:15px 26px;font-size:1.02rem;font-weight:700;text-decoration:none;transition:transform .12s,background .15s;display:inline-flex;box-shadow:0 1px #0000002e,0 10px 24px -12px #00000080}.ebk .btn:hover{background:var(--accent-hi);transform:translateY(-2px)}.ebk .btn:focus-visible{outline:3px solid var(--ink);outline-offset:3px}.ebk .btn .btn-anchor{align-items:center;gap:8px;font-weight:400;display:inline-flex}.ebk .btn .btn-anchor s{opacity:.72;font-variant-numeric:tabular-nums}.ebk .btn .btn-off{letter-spacing:.02em;background:var(--on-accent);color:var(--accent);border-radius:4px;padding:3px 6px;font-size:.72rem;font-weight:700}.ebk .hero{padding-top:clamp(40px,5vw,64px)}.ebk .brandbar{font-family:var(--ebk-mono);margin-bottom:clamp(28px,4.5vw,44px);font-weight:700}.ebk .brandbar .lam{color:var(--accent)}.ebk .herotop{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:16px;display:flex}.ebk .herotop .brandbar{margin-bottom:0}.ebk .langswitch{font-family:var(--ebk-mono);letter-spacing:.08em;gap:2px;margin-bottom:clamp(28px,4.5vw,44px);font-size:.76rem;font-weight:700;display:flex}.ebk .langswitch a,.ebk .langswitch span{color:var(--ink-faint);border:1px solid #0000;border-radius:3px;padding:5px 9px;text-decoration:none;transition:color .15s,border-color .15s}.ebk .langswitch a:hover{color:var(--ink);border-color:var(--line-strong)}.ebk .langswitch span[aria-current]{color:var(--on-accent);background:var(--accent)}.ebk .langswitch a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.ebk .hero-grid{grid-template-columns:1.15fr .85fr;align-items:center;gap:clamp(28px,4.5vw,52px);display:grid}.ebk .hero h1{font-size:var(--fs-1);margin-top:16px;font-weight:800}.ebk .hero h1 em{color:var(--accent-text);font-style:normal}.ebk .hero-lede{color:var(--ink-soft);max-width:44ch;margin-top:20px;font-size:1.16rem}.ebk .hero-cta{margin-top:30px}.ebk .hero .micro{margin-top:14px}.ebk .cover-shot{border-radius:6px;overflow:hidden;transform:rotate(-1.6deg);box-shadow:0 30px 60px -28px #030a19bf,inset 0 0 0 1px #ffffff0d}.ebk .firms{background:var(--panel);border-radius:10px;overflow:hidden}.ebk .firms-inner{padding:clamp(30px,4.5vw,46px)}.ebk .firms .eyebrow{color:var(--accent-hi)}.ebk .firms h2{color:var(--panel-ink);margin-top:14px;font-size:clamp(1.3rem,2.4vw,1.72rem)}.ebk .firm-grid{grid-template-columns:repeat(5,1fr);gap:10px;margin-top:26px;display:grid}.ebk .firm{border:1px solid var(--panel-line);text-align:center;min-height:96px;color:var(--panel-ink);background:#ffffff0a;border-radius:6px;flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:14px 10px;transition:border-color .15s,background .15s;display:flex}.ebk .firm:hover{border-color:color-mix(in srgb, var(--accent) 45%, var(--panel-line));background:#ffffff0f}.ebk .firm-glyph{fill:none;width:26px;height:26px;stroke:var(--accent-hi);stroke-width:1.4px;stroke-linecap:round;stroke-linejoin:round;opacity:.85;flex:none}.ebk .firm .m{opacity:.92;line-height:1.2}.ebk .firm .m .sub{opacity:.72;letter-spacing:.1em;margin-top:3px;font-size:.56em;display:block}.ebk .f-sans{letter-spacing:-.01em;font-size:.98rem;font-weight:700}.ebk .f-sans-light{font-size:.98rem;font-weight:400}.ebk .f-sans-bold{letter-spacing:-.02em;font-size:1.12rem;font-weight:800}.ebk .f-sans-wide{letter-spacing:.16em;font-size:.95rem;font-weight:700}.ebk .f-sans-stack{letter-spacing:.02em;font-size:1.02rem;font-weight:800}.ebk .f-serif{font-family:Georgia,Times New Roman,serif;font-size:1rem}.ebk .f-serif-bold{letter-spacing:.02em;font-family:Georgia,serif;font-size:1.24rem;font-weight:700}.ebk .f-serif-light{letter-spacing:.01em;font-family:Georgia,serif;font-size:.98rem}.ebk .f-serif-wide{letter-spacing:.2em;font-family:Georgia,serif;font-size:.92rem}.ebk .f-serif-split{letter-spacing:.06em;font-family:Georgia,serif;font-size:.86rem}.ebk .f-serif-stack{letter-spacing:.1em;font-family:Georgia,serif;font-size:1rem}.ebk .f-serif-mixed{font-family:Georgia,serif;font-size:1rem}.ebk .firms .micro{color:var(--panel-soft);opacity:.75;margin-top:18px}.ebk .painwrap{grid-template-columns:1fr 1fr;gap:14px;margin-top:30px;display:grid}.ebk .pain{background:var(--surface);border:1px solid var(--line);color:var(--ink-soft);border-radius:5px;padding:18px 20px 18px 46px;position:relative}.ebk .pain:before{content:"✕";color:var(--bad);font-family:var(--ebk-mono);font-weight:700;position:absolute;top:17px;left:18px}.ebk .tbl{border-collapse:collapse;width:100%;margin-top:26px;font-size:.97rem}.ebk .tbl th{font-family:var(--ebk-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);text-align:left;border-bottom:1.5px solid var(--ink);padding:0 10px 6px 0;font-size:.72rem}.ebk .tbl td{border-bottom:1px solid var(--line);vertical-align:top;padding:9px 10px 9px 0}.ebk .tbl .n{font-family:var(--ebk-mono);font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:700}.ebk .tbl-scroll{overflow-x:auto}.ebk .trackgrid{grid-template-columns:repeat(2,1fr);gap:16px;margin-top:30px;display:grid}.ebk .trk{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:22px}.ebk .trk .n{font-family:var(--ebk-mono);letter-spacing:.05em;color:var(--accent-text);font-size:.95rem;font-weight:700}.ebk .trk h3{margin:12px 0 8px;font-size:1.2rem}.ebk .trk p{color:var(--ink-soft);font-size:.98rem}.ebk .clesson{border-bottom:1px solid var(--line);grid-template-columns:auto 1fr;gap:0 18px;padding:16px 0;display:grid}.ebk .clesson:first-of-type{border-top:1px solid var(--line-strong)}.ebk .clesson .cn{font-family:var(--ebk-mono);color:var(--accent-text);font-variant-numeric:tabular-nums;font-weight:700}.ebk .clesson h3{font-size:1.15rem;font-weight:650}.ebk .clesson p{color:var(--ink-soft);margin-top:5px;font-size:.97rem}.ebk .panel{background:var(--panel);color:var(--panel-ink);border-radius:10px;overflow:hidden}.ebk .panel-inner{padding:clamp(38px,5.5vw,60px)}.ebk .panel .eyebrow{color:var(--accent-hi)}.ebk .panel h2{color:var(--panel-ink)}.ebk .panel .lead{color:var(--panel-soft)}.ebk .aud{grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px;display:grid}.ebk .aud>div{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:20px}.ebk .aud .ic{font-family:var(--ebk-mono);letter-spacing:.14em;color:var(--accent-text);font-size:.72rem;font-weight:700}.ebk .aud h3{margin-top:12px;font-size:1.02rem}.ebk .aud p{color:var(--ink-soft);margin-top:6px;font-size:.9rem}.ebk .offer{background:var(--surface);border:2px solid var(--ink);border-radius:12px;margin-top:14px;overflow:hidden;box-shadow:0 24px 50px -30px #0a14288c}.ebk .offer-top{border-bottom:1px dashed var(--line-strong);padding:clamp(26px,4vw,38px)}.ebk .offer-incl{gap:12px;margin-top:18px;padding:0;list-style:none;display:grid}.ebk .offer-incl li{grid-template-columns:auto 1fr;gap:12px;display:grid}.ebk .offer-incl .ck{color:var(--good);font-family:var(--ebk-mono);font-weight:700}.ebk .guarantee{color:var(--ink-soft);grid-template-columns:auto 1fr;align-items:center;gap:14px;margin-top:26px;font-size:.94rem;display:grid}.ebk .guarantee .badge{background:color-mix(in srgb, var(--good) 16%, transparent);width:46px;height:46px;color:var(--good);font-family:var(--ebk-mono);text-align:center;border-radius:50%;place-items:center;font-size:.7rem;font-weight:700;line-height:1;display:grid}.ebk .offer-buy{grid-template-columns:auto 1fr;align-items:center;gap:26px;padding:clamp(26px,4vw,38px);display:grid}.ebk .price .amt{font-family:var(--ebk-mono);letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:3.1rem;font-weight:700}.ebk .price .cur{font-family:var(--ebk-mono);color:var(--ink-soft);font-size:1.05rem}.ebk .quotes{grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px;display:grid}.ebk .quote{background:var(--surface);border:1px solid var(--line);border-radius:6px;flex-direction:column;gap:16px;padding:24px;display:flex}.ebk .quote blockquote{margin:0;font-size:.99rem;line-height:1.62}.ebk .quote blockquote:before{content:"“";color:var(--accent-text);vertical-align:-.3em;margin-right:2px;font-size:1.6rem;line-height:0}.ebk .quote .attr{font-family:var(--ebk-mono);color:var(--ink-faint);margin-top:auto;font-size:.78rem;line-height:1.6}.ebk .quote .attr .who{color:var(--ink);font-weight:700;display:block}.ebk .quote .attr .ctx{opacity:.85;font-style:italic;display:block}.ebk .quote .attr .fine{opacity:.6;font-size:.68rem;display:block}.ebk .quote.pending{border-style:dashed;border-color:var(--accent)}.ebk .quote.pending .attr .who{color:var(--accent-text)}.ebk .rubric{border:1px solid var(--line-strong);background:var(--surface);border-radius:8px;margin-top:30px;overflow:hidden}.ebk 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.ev{background:var(--panel);color:var(--panel-ink);border-radius:10px;margin-top:30px;padding:clamp(26px,4vw,40px)}.ebk .ev .evrow{border-bottom:1px solid var(--panel-line);grid-template-columns:1fr auto auto;align-items:center;gap:16px;padding:14px 0;display:grid}.ebk .ev .evrow:last-of-type{border-bottom:0}.ebk .ev label{color:var(--panel-soft);font-size:.97rem}.ebk .ev input[type=range]{width:min(320px,46vw);accent-color:var(--accent)}.ebk .ev .val{font-family:var(--ebk-mono);font-variant-numeric:tabular-nums;text-align:right;min-width:5ch;color:var(--accent-hi);font-size:1.05rem;font-weight:700}.ebk .ev .evout{border-top:1.5px solid var(--accent);flex-wrap:wrap;align-items:baseline;gap:12px;margin-top:22px;padding-top:22px;display:flex}.ebk .ev .evout .big{font-family:var(--ebk-mono);font-variant-numeric:tabular-nums;color:var(--accent-hi);font-size:clamp(2rem,5vw,3rem);font-weight:700}.ebk .ev .evnote{color:var(--panel-soft);max-width:60ch;margin-top:14px;font-size:.88rem}.ebk .versus{grid-template-columns:1fr 1fr;gap:16px;margin-top:30px;display:grid}.ebk .vs{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:24px}.ebk .vs.ours{border-color:var(--accent);border-width:2px}.ebk .vs h3{font-size:1.05rem;font-family:var(--ebk-mono);letter-spacing:.02em}.ebk .vs .amt{font-family:var(--ebk-mono);font-variant-numeric:tabular-nums;margin-top:10px;font-size:2.1rem;font-weight:700}.ebk .vs ul{color:var(--ink-soft);gap:9px;margin:18px 0 0;padding:0;font-size:.94rem;list-style:none;display:grid}.ebk .vs li{grid-template-columns:auto 1fr;gap:10px;display:grid}.ebk .vs .y{color:var(--good);font-family:var(--ebk-mono);font-weight:700}.ebk .vs .n2{color:var(--bad);font-family:var(--ebk-mono);font-weight:700}.ebk details{border-bottom:1px solid var(--line)}.ebk summary{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;padding:16px 0;font-weight:650;list-style:none;display:flex}.ebk summary::-webkit-details-marker{display:none}.ebk summary:after{content:"+";font-family:var(--ebk-mono);color:var(--accent-text);font-size:1.4rem;transition:transform .2s}.ebk details[open] summary:after{transform:rotate(45deg)}.ebk details p{color:var(--ink-soft);max-width:66ch;padding-bottom:16px;font-size:.98rem}.ebk .final{text-align:center}.ebk .final .eyebrow{justify-content:center}.ebk .final .lead{margin-inline:auto}.ebk .ebk-footer{border-top:1px solid var(--line);font-family:var(--ebk-mono);color:var(--ink-faint);padding:26px 0 40px;font-size:.8rem}@media (max-width:900px){.ebk .quotes{grid-template-columns:1fr}}@media (max-width:860px){.ebk .firm-grid{grid-template-columns:repeat(3,1fr)}.ebk .aud{grid-template-columns:repeat(2,1fr)}.ebk .rline{grid-template-columns:1fr}.ebk .rnote{border-left:0;border-top:1px dashed var(--line-strong)}}@media (max-width:760px){.ebk .hero-grid{grid-template-columns:1fr}.ebk 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.bar{background:var(--accent);opacity:.55;border-radius:2px;height:3px;position:absolute;bottom:4px;right:0}.ebk .tbl.bd tfoot td{border-bottom:0;border-top:1.5px solid var(--ink);font-family:var(--ebk-mono);font-variant-numeric:tabular-nums;font-weight:700}.ebk .splitH{font-family:var(--ebk-mono);letter-spacing:.18em;text-transform:uppercase;color:var(--accent-text);margin-top:38px;font-size:.74rem}.ebk .splitlist{grid-template-columns:repeat(2,1fr);gap:0 28px;margin:14px 0 0;padding:0;list-style:none;display:grid}.ebk .splitlist li{border-bottom:1px solid var(--line);justify-content:space-between;gap:14px;padding:11px 0;font-size:.95rem;display:flex}.ebk .splitlist .n{font-family:var(--ebk-mono);font-variant-numeric:tabular-nums;color:var(--ink-faint);white-space:nowrap}@media (max-width:700px){.ebk .splitlist{grid-template-columns:1fr}.ebk .tbl.bd .what{display:none}}.ebk .ebk-salebar{z-index:30;background:color-mix(in oklab, var(--accent) 16%, var(--panel));border-bottom:1px solid color-mix(in oklab, var(--accent) 40%, var(--line));color:var(--panel-ink);-webkit-backdrop-filter:saturate(1.2)blur(8px);backdrop-filter:saturate(1.2)blur(8px);flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 14px;padding:9px 16px;font-size:.84rem;line-height:1.35;display:flex;position:sticky;top:0}.ebk .ebk-sale-badge{font-family:var(--ebk-mono);background:var(--accent);color:var(--on-accent);border-radius:4px;padding:3px 7px;font-size:.74rem;font-weight:700}.ebk .ebk-sale-price{font-family:var(--ebk-mono);font-variant-numeric:tabular-nums;font-weight:700}.ebk .ebk-sale-price s{color:var(--panel-soft);margin-right:4px;font-weight:400}.ebk .ebk-sale-timer{color:var(--panel-soft);font-size:.78rem}.ebk .ebk-sale-clock{font-family:var(--ebk-mono);font-variant-numeric:tabular-nums;color:var(--panel-ink);min-width:7.2ch;font-weight:700;display:inline-block}.ebk .ebk-deadline{font-family:var(--ebk-mono);color:var(--ink-soft);margin-top:10px;font-size:.78rem}.ebk .ebk-deadline .ebk-sale-clock{color:var(--accent-text)}.ebk .price .amt-row{flex-wrap:wrap;align-items:baseline;gap:12px;display:flex}.ebk .price .was{font-family:var(--ebk-mono);font-variant-numeric:tabular-nums;align-items:baseline;gap:8px;display:flex}.ebk .price .was s{color:var(--ink-faint);font-size:1.25rem}.ebk .price .was .off{background:var(--accent);color:var(--on-accent);border-radius:4px;padding:3px 6px;font-size:.72rem;font-weight:700}@media (max-width:640px){.ebk .ebk-salebar{gap:4px 10px;padding:8px 12px;font-size:.76rem}.ebk .ebk-sale-timer{text-align:center;width:100%}.ebk .btn{flex-wrap:wrap;gap:.45em;padding:14px 20px;font-size:.95rem}.ebk .btn .btn-anchor{gap:6px}}