:root{--yb43-ink:#111827;--yb43-soft:#f7f3ec;--yb43-gold:#ff8a1f;--yb43-line:rgba(17,24,39,.12);--yb43-blue:#123a67}
.yb43-section{padding:clamp(58px,8vw,104px) 0;position:relative;overflow:hidden}
.yb43-section.soft{background:linear-gradient(180deg,#fffaf3 0%,#f7f3ec 100%)}
.yb43-section.dark{background:radial-gradient(circle at 12% 10%,rgba(255,138,31,.17),transparent 35%),linear-gradient(135deg,#07111e,#102b48);color:#fff}
.yb43-head{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:40px;align-items:end;margin-bottom:36px}
.yb43-kicker{display:inline-flex;align-items:center;gap:10px;font-size:.78rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:#c95f00}
.yb43-kicker:before{content:"";width:28px;height:2px;background:currentColor;border-radius:2px}
.yb43-section.dark .yb43-kicker{color:#ffb66f}
.yb43-head h2,.yb43-hero h1{margin:.65rem 0 0;max-width:950px;line-height:1.02;letter-spacing:-.04em}
.yb43-head h2{font-size:clamp(2rem,4.7vw,4.5rem)}
.yb43-head p{margin:0;line-height:1.8;color:#596474;font-size:1.03rem}
.yb43-section.dark .yb43-head p{color:rgba(255,255,255,.76)}
.yb43-history{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;counter-reset:history}
.yb43-history article{position:relative;border:1px solid var(--yb43-line);border-radius:24px;padding:28px;background:rgba(255,255,255,.88);box-shadow:0 18px 48px rgba(17,24,39,.08);min-height:270px}
.yb43-history article:after{content:"";position:absolute;left:28px;right:28px;bottom:0;height:3px;border-radius:5px 5px 0 0;background:linear-gradient(90deg,var(--yb43-gold),transparent)}
.yb43-history time{display:block;font-size:clamp(2.1rem,4vw,4.4rem);line-height:1;font-weight:900;letter-spacing:-.06em;color:var(--yb43-blue)}
.yb43-history small{display:block;margin-top:8px;color:#c95f00;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.yb43-history h3{font-size:1.26rem;margin:26px 0 10px;color:var(--yb43-ink)}
.yb43-history p{margin:0;color:#596474;line-height:1.75}
.yb43-proof-grid,.yb43-trust-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.yb43-proof-card,.yb43-trust-card{border:1px solid var(--yb43-line);border-radius:22px;padding:25px;background:#fff;box-shadow:0 16px 42px rgba(17,24,39,.07)}
.yb43-proof-card strong,.yb43-trust-card h3{display:block;color:var(--yb43-ink);font-size:1.13rem;margin:0 0 10px}
.yb43-proof-card p,.yb43-trust-card p{margin:0;color:#5d6674;line-height:1.72}
.yb43-proof-card span{display:inline-flex;margin-bottom:18px;min-width:46px;height:46px;align-items:center;justify-content:center;border-radius:14px;background:#fff1e2;color:#b94f00;font-weight:900}
.yb43-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.yb43-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:13px;font-weight:800;text-decoration:none;border:1px solid transparent;transition:.2s ease}
.yb43-btn.primary{background:var(--yb43-gold);color:#151515}.yb43-btn.primary:hover{transform:translateY(-2px);filter:brightness(.96)}
.yb43-btn.ghost{border-color:rgba(17,24,39,.16);color:var(--yb43-ink);background:#fff}.yb43-section.dark .yb43-btn.ghost{border-color:rgba(255,255,255,.25);color:#fff;background:rgba(255,255,255,.06)}
.yb43-hero{padding:clamp(84px,12vw,150px) 0 74px;background:radial-gradient(circle at 78% 20%,rgba(255,138,31,.26),transparent 32%),linear-gradient(135deg,#06111f 0%,#102f50 100%);color:#fff}
.yb43-hero h1{font-size:clamp(2.8rem,7vw,6.8rem);max-width:1050px}
.yb43-hero .lead{max-width:820px;font-size:clamp(1.05rem,2vw,1.3rem);line-height:1.8;color:rgba(255,255,255,.78)}
.yb43-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.yb43-stat{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);border-radius:16px;padding:16px 20px;backdrop-filter:blur(12px)}
.yb43-stat strong{display:block;font-size:1.45rem}.yb43-stat span{color:rgba(255,255,255,.7);font-size:.9rem}
.yb43-two{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:26px;align-items:start}
.yb43-rich{font-size:1.05rem;line-height:1.86;color:#4e5969}.yb43-rich h2,.yb43-rich h3{color:var(--yb43-ink)}
.yb43-side{position:sticky;top:116px;border-radius:24px;background:#0d243d;color:#fff;padding:28px;box-shadow:0 22px 50px rgba(6,17,31,.22)}
.yb43-side h3{margin-top:0}.yb43-side ul{padding-left:20px;line-height:1.8;color:rgba(255,255,255,.78)}
.yb43-disclosure{border-left:4px solid var(--yb43-gold);padding:22px 24px;background:#fff8ef;border-radius:0 18px 18px 0;color:#414b58;line-height:1.75}
.yb43-case{margin-top:26px;border:1px solid var(--yb43-line);border-radius:26px;overflow:hidden;background:#fff;box-shadow:0 18px 46px rgba(17,24,39,.08)}
.yb43-case-head{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;padding:28px;background:linear-gradient(135deg,#0c2037,#143e67);color:#fff}
.yb43-case-head h2{margin:5px 0 0;font-size:clamp(1.65rem,3vw,2.5rem)}
.yb43-case-body{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;padding:28px}
.yb43-case-body h3{margin-top:0;color:var(--yb43-ink)}.yb43-case-body ul{margin:0;padding-left:20px;line-height:1.8;color:#505c6c}
.yb43-note{grid-column:1/-1;padding:19px 21px;border-radius:16px;background:#fff5e9;color:#4a5663;line-height:1.68}
.yb43-archive{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.yb43-archive article{min-height:240px;border-radius:24px;padding:26px;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(160deg,#132d49,#07111e);color:#fff;position:relative;overflow:hidden}.yb43-archive article:before{content:"";position:absolute;width:170px;height:170px;border-radius:50%;background:rgba(255,138,31,.17);top:-70px;right:-55px}.yb43-archive p{color:rgba(255,255,255,.72);line-height:1.7}.yb43-archive strong{font-size:1.35rem}
.yb43-factline{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:16px;color:#677181;font-size:.92rem}.yb43-factline span{padding:7px 11px;border-radius:999px;background:#f1f3f5}
.yb43-footer-history{margin:18px auto 0;max-width:1180px;padding:14px 18px;border-top:1px solid rgba(255,255,255,.13);color:rgba(255,255,255,.68);text-align:center;font-size:.92rem}
@media(max-width:900px){.yb43-head,.yb43-two{grid-template-columns:1fr}.yb43-history,.yb43-proof-grid,.yb43-trust-grid,.yb43-archive{grid-template-columns:1fr 1fr}.yb43-side{position:static}.yb43-case-head{grid-template-columns:1fr}.yb43-case-body{grid-template-columns:1fr}}
@media(max-width:640px){.yb43-section{padding:54px 0}.yb43-history,.yb43-proof-grid,.yb43-trust-grid,.yb43-archive{grid-template-columns:1fr}.yb43-history article{min-height:auto}.yb43-case-body,.yb43-case-head{padding:21px}.yb43-actions{display:grid}.yb43-btn{width:100%}.yb43-head{gap:18px}.yb43-hero{padding-top:88px}.yb43-stat{flex:1 1 140px}}
@media(prefers-reduced-motion:reduce){.yb43-btn{transition:none}}