.st-amazon-study-guide-page #sp-component{width:100%;max-width:none}.st-amazon-study-guide-page #sp-component>.container{max-width:none}
.st-amazon-study-hub{--st-teal:#0b8586;--st-deep:#073f48;--st-ink:#0a3444;--st-gold:#e3ad36;max-width:1320px;margin:30px auto 70px;padding:0 24px;color:#17373d}
.st-amazon-study-hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(290px,.65fr);gap:36px;align-items:center;overflow:hidden;padding:clamp(34px,6vw,74px);border:1px solid #c8ddda;border-radius:30px;background:linear-gradient(135deg,#f9fbf9 0%,#e5f5f3 62%,#d8eef4 100%);box-shadow:0 20px 54px rgba(18,64,70,.09)}
.st-amazon-study-eyebrow{margin:0 0 14px;color:var(--st-teal);font-size:.82rem;font-weight:900;letter-spacing:.16em}.st-amazon-study-hero h1{max-width:920px;margin:0;color:var(--st-ink);font-size:clamp(2.35rem,5vw,4.75rem);line-height:1.02}.st-amazon-study-lead{max-width:850px;margin:22px 0 0;color:#526d72;font-size:clamp(1.02rem,1.6vw,1.26rem);line-height:1.72}
.st-amazon-study-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}.st-amazon-study-stats span{padding:9px 14px;border:1px solid #b9d8d4;border-radius:999px;background:rgba(255,255,255,.75);color:#155a60;font-weight:800}
.st-amazon-study-hero__art{position:relative;min-height:310px}.st-amazon-study-book{position:absolute;display:flex;flex-direction:column;justify-content:space-between;width:145px;height:205px;padding:22px;border:1px solid rgba(255,255,255,.55);border-radius:12px 20px 20px 12px;background:linear-gradient(145deg,#07505a,#0b8586);box-shadow:16px 20px 36px rgba(7,63,72,.22);color:#fff;transform:rotate(-7deg)}.st-amazon-study-book:after{position:absolute;inset:0 auto 0 13px;width:2px;background:rgba(255,255,255,.24);content:""}.st-amazon-study-book strong{font-size:1.32rem}.st-amazon-study-book small{color:#c9fffb;font-weight:900;letter-spacing:.18em}.st-amazon-study-book--1{top:15px;left:8px}.st-amazon-study-book--2{top:73px;left:98px;transform:rotate(5deg);background:linear-gradient(145deg,#123f70,#1d70a5)}.st-amazon-study-book--3{top:23px;right:12px;transform:rotate(8deg);background:linear-gradient(145deg,#9f4825,#d6783f)}.st-amazon-study-book--4{right:86px;bottom:0;transform:rotate(-2deg);background:linear-gradient(145deg,#735c13,#d1a42e)}
.st-amazon-study-controls{display:grid;grid-template-columns:minmax(260px,1fr) minmax(190px,.28fr) minmax(170px,.24fr);gap:14px;margin:28px 0 14px;padding:20px;border:1px solid #c9dfdc;border-radius:21px;background:#edf8f6}.st-amazon-study-controls label>span{display:block;margin:0 0 7px;font-size:.78rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.st-amazon-study-controls input,.st-amazon-study-controls select{width:100%;min-height:50px;padding:10px 14px;border:1px solid #b8d2cf;border-radius:12px;background:#fff;color:#17373d;font:inherit}.st-amazon-study-controls select{align-self:end}.st-amazon-study-results{margin:18px 4px;color:#5c7478;font-weight:800}
.st-amazon-study-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.st-amazon-guide-card{overflow:hidden;border:1px solid #c9dcda;border-radius:21px;background:#fff;box-shadow:0 12px 30px rgba(17,65,71,.06)}.st-amazon-guide-card[open]{grid-column:1/-1;border-color:#8bc2bd;box-shadow:0 18px 40px rgba(17,65,71,.11)}.st-amazon-guide-card__summary{display:grid;grid-template-columns:74px minmax(0,1fr) auto;gap:16px;align-items:center;padding:18px;cursor:pointer;list-style:none}.st-amazon-guide-card__summary::-webkit-details-marker{display:none}.st-amazon-guide-cover{display:flex;flex-direction:column;justify-content:space-between;width:70px;height:88px;padding:11px 9px 8px;border-radius:8px 13px 13px 8px;background:linear-gradient(145deg,#07505a,#159c9b);box-shadow:8px 10px 20px rgba(7,63,72,.2);color:#fff}.st-amazon-guide-cover>span{overflow:hidden;font-size:1.02rem;font-weight:900}.st-amazon-guide-cover small{color:#cffffb;font-size:.62rem;font-weight:900;letter-spacing:.13em}.st-amazon-guide-card__heading{display:flex;min-width:0;flex-direction:column}.st-amazon-guide-card__heading small{color:#0b8586;font-weight:850}.st-amazon-guide-card__heading strong{margin:3px 0 6px;color:#0a3444;font-size:1.23rem}.st-amazon-guide-card__heading>span{display:-webkit-box;overflow:hidden;color:#607579;line-height:1.45;-webkit-box-orient:vertical;-webkit-line-clamp:2}.st-amazon-guide-card__open{max-width:145px;color:#a64b27;font-weight:850;text-align:end}.st-amazon-guide-card[open] .st-amazon-guide-card__open{color:#0b8586}
.st-amazon-guide-card__body{padding:0 22px 24px;border-top:1px solid #e2ecea}.st-amazon-guide-card__body h3{margin:24px 0 14px;color:#0a3444;font-size:1.35rem}.st-amazon-guide-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none;counter-reset:none}.st-amazon-guide-links a{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:12px;align-items:center;min-height:72px;padding:12px;border:1px solid #d5e3e1;border-radius:13px;background:#f9fbfa;color:#183b40;text-decoration:none;transition:.18s ease}.st-amazon-guide-links a:hover,.st-amazon-guide-links a:focus-visible{border-color:#0b8586;background:#edf9f7;transform:translateY(-1px)}.st-amazon-guide-links__number{display:grid;width:38px;height:38px;place-items:center;border-radius:10px;background:#0b8586;color:#fff;font-size:.78rem;font-weight:900}.st-amazon-guide-links a>span:nth-child(2){display:flex;min-width:0;flex-direction:column}.st-amazon-guide-links strong{color:#0a3444}.st-amazon-guide-links small{overflow:hidden;color:#607579;text-overflow:ellipsis;white-space:nowrap}.st-amazon-guide-links__arrow{color:#b45128;font-size:1.15rem;font-weight:900}.st-amazon-guide-card__official{display:inline-flex;margin-top:18px;color:#08777a;font-weight:850}.st-amazon-study-empty{padding:46px;border:1px dashed #afceca;border-radius:18px;text-align:center}.st-amazon-study-disclosure{margin-top:32px;padding:22px 24px;border:1px solid #c8deda;border-radius:18px;background:#f1f8f6}.st-amazon-study-disclosure strong{color:#0a5f62}.st-amazon-study-disclosure p{margin:7px 0 5px;color:#17373d;font-weight:850}.st-amazon-study-disclosure small{display:block;color:#5b7276;line-height:1.55}
html[dir="rtl"] .st-amazon-study-hub{text-align:right}html[dir="rtl"] .st-amazon-study-book--1{right:8px;left:auto}html[dir="rtl"] .st-amazon-study-book--2{right:98px;left:auto}html[dir="rtl"] .st-amazon-study-book--3{right:auto;left:12px}html[dir="rtl"] .st-amazon-study-book--4{right:auto;left:86px}html[dir="rtl"] .st-amazon-guide-card__open{text-align:start}
@media(max-width:900px){.st-amazon-study-hero{grid-template-columns:1fr}.st-amazon-study-hero__art{display:none}.st-amazon-study-controls{grid-template-columns:1fr 1fr}.st-amazon-study-controls label{grid-column:1/-1}.st-amazon-study-grid{grid-template-columns:1fr}.st-amazon-guide-card[open]{grid-column:auto}.st-amazon-guide-links{grid-template-columns:1fr}}
@media(max-width:600px){.st-amazon-study-hub{padding:0 12px}.st-amazon-study-hero{padding:28px 22px;border-radius:22px}.st-amazon-study-controls{grid-template-columns:1fr;padding:14px}.st-amazon-study-controls label{grid-column:auto}.st-amazon-guide-card__summary{grid-template-columns:58px minmax(0,1fr);padding:14px}.st-amazon-guide-cover{width:54px;height:72px}.st-amazon-guide-card__open{grid-column:2;max-width:none;text-align:start}.st-amazon-guide-card__heading strong{font-size:1.08rem}.st-amazon-guide-card__body{padding:0 14px 18px}.st-amazon-guide-links a{grid-template-columns:38px minmax(0,1fr) auto}}