.sat-page { background: #f8f7f4; }
.sat-page .toefl-hero { background-image: url('/public/static/images/sat/redesign/header.png'); }
.sat-page .toefl-intro { align-items: start; padding-top: 86px; padding-bottom: 120px; }
.sat-page .toefl-intro h2 small { font-size: 20px; }
.sat-page .toefl-intro p { margin-bottom: 8px; line-height: 1.65; }
.sat-advantages { padding-top: 20px; padding-bottom: 130px; }
.sat-adv-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 55px 50px; margin-top: 75px; }
.sat-adv-grid article { min-width: 0; }
.sat-adv-grid img { display: block; width: 100%; aspect-ratio: 500 / 320; object-fit: cover; }
.sat-adv-grid h3 { margin: 24px 0 10px; font-size: 27px; font-weight: 600; }
.sat-adv-grid p { margin: 0; color: #777; font-size: 16px; line-height: 1.6; }
.sat-process { padding: 100px 0 125px; background: #294b5c; color: #fff; }
.sat-process .toefl-section-title > p { color: rgba(255,255,255,.7); }
.sat-process-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 40px; margin-top: 80px; }
.sat-process-grid article { position: relative; height: 180px; overflow: hidden; border-radius: 8px; background: #516d7c; outline: none; }
.sat-step-front, .sat-step-detail { position: absolute; inset: 0; display: flex; margin: 0; padding: 30px 35px; flex-direction: column; justify-content: center; transition: opacity .25s ease; }
.sat-step-front strong { font-size: 48px; font-weight: 500; line-height: 1; }
.sat-step-front h3 { margin: 13px 0 0; font-size: 22px; font-weight: 600; line-height: 1.25; }
.sat-step-detail { gap: 7px; background: #66899c; opacity: 0; }
.sat-step-detail p { margin: 0; color: #fff; font-size: 15px; line-height: 1.55; }
.sat-process-grid article:hover .sat-step-front, .sat-process-grid article:focus .sat-step-front { opacity: 0; }
.sat-process-grid article:hover .sat-step-detail, .sat-process-grid article:focus .sat-step-detail { opacity: 1; }
.sat-process-grid article:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.sat-curriculum { padding-top: 110px; padding-bottom: 125px; }
.sat-curriculum .toefl-section-title > span { margin-top: 12px; font-size: 18px; }
.sat-course-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 50px; margin-top: 80px; }
.sat-course-grid article { min-height: 600px; padding: 36px 40px; border: 1px solid #dededb; border-radius: 10px; background: linear-gradient(180deg, #f1faff 0, #fff 28%); transition: transform .2s ease, box-shadow .2s ease; }
.sat-course-grid article:hover { transform: translateY(-4px); box-shadow: 0 14px 35px rgba(27,48,77,.09); }
.sat-course-grid h3 { margin: 0 0 36px; font-size: 28px; font-weight: 600; line-height: 1.35; }
.sat-course-grid h4 { margin: 0 0 8px; font-size: 16px; font-weight: 600; }
.sat-course-grid p { margin: 0 0 30px; color: #777; font-size: 16px; line-height: 1.65; }
.sat-system { padding-top: 20px; padding-bottom: 130px; }
.sat-system-banner { min-height: 620px; margin-top: 70px; padding: 70px 40px 60px; background: #e4e5e7 url('/public/static/images/sat/redesign/system.png') center / cover no-repeat; }
.sat-system-logo { display: block; width: 149px; height: 39px; margin: 0 0 60px; }
.sat-system-grid { display: grid; width: 62%; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 40px; margin: 0; }
.sat-system-grid article { min-height: 150px; padding: 22px 28px; border-radius: 9px; background: rgba(255,255,255,.89); }
.sat-system-grid h3 { margin: 0 0 12px; font-size: 24px; font-weight: 600; }
.sat-system-grid p { margin: 0; color: #656565; font-size: 15px; line-height: 1.55; }
@media (prefers-reduced-motion: reduce) {
  .sat-step-front, .sat-step-detail, .sat-course-grid article { transition: none; }
}
@media (max-width: 1100px) {
  .sat-adv-grid, .sat-course-grid { gap: 25px; }
  .sat-adv-grid h3 { font-size: 23px; }
  .sat-process-grid { gap: 20px; }
  .sat-step-front, .sat-step-detail { padding: 24px; }
  .sat-step-front h3 { font-size: 19px; }
  .sat-step-detail p { font-size: 13px; }
  .sat-course-grid article { min-height: 0; padding: 28px; }
  .sat-course-grid h3 { font-size: 23px; }
  .sat-course-grid p { font-size: 14px; }
  .sat-system-grid { width: 67%; gap: 20px; }
  .sat-system-grid article { padding: 20px; }
  .sat-system-grid h3 { font-size: 20px; }
  .sat-system-grid p { font-size: 13px; }
}
@media (max-width: 767px) {
  .sat-page .toefl-intro { padding-top: 56px; padding-bottom: 64px; }
  .sat-page .toefl-intro h2 small { font-size: 16px; }
  .sat-advantages { padding-top: 20px; padding-bottom: 64px; }
  .sat-adv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 16px; margin-top: 34px; }
  .sat-adv-grid h3 { margin-top: 14px; font-size: 18px; }
  .sat-adv-grid p { font-size: 13px; }
  .sat-process { padding: 56px 0 64px; }
  .sat-process-grid { grid-template-columns: 1fr; gap: 14px; margin-top: 34px; }
  .sat-process-grid article { height: auto; }
  .sat-step-front, .sat-step-detail { position: static; padding: 20px 24px; opacity: 1; }
  .sat-step-front { padding-bottom: 8px; }
  .sat-step-front strong { font-size: 36px; }
  .sat-step-front h3 { margin-top: 7px; font-size: 19px; }
  .sat-step-detail { padding-top: 0; background: none; }
  .sat-step-detail p { color: #e0e7ea; font-size: 14px; }
  .sat-process-grid article:hover .sat-step-front, .sat-process-grid article:focus .sat-step-front { opacity: 1; }
  .sat-curriculum { padding-top: 56px; padding-bottom: 64px; }
  .sat-curriculum .toefl-section-title > span { font-size: 14px; }
  .sat-course-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 34px; }
  .sat-course-grid article { padding: 28px 24px; }
  .sat-course-grid h3 { margin-bottom: 24px; }
  .sat-system { padding-top: 20px; padding-bottom: 64px; }
  .sat-system-banner { min-height: 0; margin-top: 34px; padding: 34px 18px 18px; background-position: 67% top; background-size: auto 330px; }
  .sat-system-logo { width: 119px; height: auto; margin-bottom: 190px; }
  .sat-system-grid { width: 100%; grid-template-columns: 1fr; gap: 12px; }
  .sat-system-grid article { min-height: 0; }
  .sat-system-grid h3 { font-size: 18px; }
  .sat-system-grid p { font-size: 14px; }
}