:root{--blue:#0757b9;--red:#ed1c24;--ink:#17263b;--muted:#617086;--line:#dce4ee;--pale:#f5f8fc;--green:#168a51}*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.site-header{min-height:78px;padding:14px max(20px,calc((100vw - 760px)/2));display:flex;align-items:center;border-bottom:1px solid var(--line);background:#fff}.wordmark{position:relative;display:block;color:var(--blue);text-decoration:none;font-family:Georgia,"Times New Roman",serif;letter-spacing:-.07em;line-height:.78}.wordmark-yego{display:block;font-size:clamp(1.55rem,6vw,2.45rem);font-weight:800}.wordmark-pass{display:block;margin:4px 0 0 45%;color:var(--red);font-size:clamp(1.05rem,4vw,1.55rem);font-weight:700}.exam-wordmark{pointer-events:none}.language-picker{display:flex;gap:2px;margin-left:auto;padding:4px;border:1px solid var(--line);border-radius:999px;background:#f8fafc}.language-picker button{min-width:42px;min-height:34px;border:0;border-radius:999px;background:transparent;color:var(--blue);font-weight:800;cursor:pointer}.language-picker button[hidden]{display:none}main{max-width:900px;margin:0 auto;padding:22px 18px 34px}footer{text-align:center;padding:18px 20px 27px;border-top:1px solid var(--line);color:var(--muted);font-size:.82rem}.button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;border:1px solid transparent;border-radius:10px;padding:10px 18px;font:700 1rem inherit;text-decoration:none;cursor:pointer}.primary{background:var(--blue);color:#fff}.secondary{background:#fff;border-color:var(--blue);color:var(--blue)}.danger,.finish{background:var(--red);color:#fff}.quiet{color:var(--muted)}.error{min-height:1.4em;color:#b61720}.status{min-height:1.4em;color:var(--muted)}.page-shell{width:min(100%,680px);margin:0 auto;padding:14px 0 28px}.page-title{text-align:center;color:#24334a;font-size:clamp(1.65rem,6vw,2.25rem);font-weight:650;margin:6px 0 26px}.welcome-home{width:min(100%,620px);min-height:calc(100svh - 169px);margin:0 auto;padding:clamp(38px,10vw,68px) 0 25px;display:flex;flex-direction:column}.welcome-home h1{margin:0;text-align:center;color:#52627d;font-size:clamp(2rem,9vw,3.35rem);font-weight:500;letter-spacing:-.04em}.welcome-rule{width:46px;height:5px;margin:22px auto 48px;border-radius:99px;background:#bfd9ff}.welcome-actions{display:grid;gap:15px}.welcome-card{display:grid;grid-template-columns:62px minmax(0,1fr) 22px;align-items:center;gap:17px;min-height:118px;padding:19px;border:1px solid #d9e4f2;border-radius:18px;color:var(--ink);text-decoration:none;background:#fff}.learning-card{background:#f3f8ff;border-color:#e4effb}.home-icon{width:62px;height:62px;display:grid;place-items:center;border-radius:50%;background:#e7f1ff;color:var(--blue);font-size:2.1rem}.welcome-card strong{display:block;font-size:clamp(1.2rem,5vw,1.55rem);font-weight:850;letter-spacing:.01em}.welcome-card small{display:block;margin-top:4px;color:#52627d;font-size:clamp(.96rem,4vw,1.08rem);line-height:1.35;overflow-wrap:anywhere}.card-chevron{color:var(--blue);font-size:2.9rem;font-weight:300}.home-help{display:flex;align-items:center;justify-content:center;gap:11px;margin-top:auto;padding-top:40px;color:#52627d;text-decoration:none;font-size:1.08rem}.home-help span{display:grid;place-items:center;width:29px;height:29px;border:2px solid currentColor;border-radius:50%;font-weight:800}.home-help b{font-weight:500}.home-progress{display:block;text-align:center;color:var(--blue);font-weight:700;text-decoration:none;margin:22px auto -15px}.home-progress[hidden]{display:none}.facts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 18px}.facts div{padding:16px;border:1px solid var(--line);border-radius:12px;background:#f8fafc}.facts strong,.facts span{display:block}.facts strong{font-size:1.35rem;color:var(--ink)}.facts span{color:var(--muted)}.start-panel{max-width:480px;text-align:center}.start-panel .primary{width:min(100%,310px)}.package-link{display:flex;max-width:310px;margin:14px auto 0;color:var(--blue);border-color:#bcd6f7;background:#f4f9ff}.center-quiet{text-align:center;color:var(--muted);margin:-15px 0 22px}.topic-picker,.empty-state,.progress-section,.faq-card,.help-form{border:1px solid var(--line);border-radius:16px;background:#fff;padding:20px}.topic-list,.help-services{display:grid;gap:10px}.topic-button,.service-button{width:100%;min-height:52px;padding:12px 15px;text-align:left;background:#f8fafc;border:1px solid var(--line);border-radius:10px;color:var(--ink);font:700 1rem inherit;cursor:pointer}.topic-button:hover,.service-button:hover{border-color:var(--blue);color:var(--blue)}.question-card{border:1px solid var(--line);border-radius:16px;padding:clamp(18px,4vw,30px);background:#fff}.question-card h1,.question-card h2{font-size:clamp(1.2rem,4vw,1.55rem);margin:12px 0 22px}.question-image img{max-width:100%;max-height:330px;display:block;margin:0 auto 18px;object-fit:contain;border-radius:10px}.learning-instruction,.exam-instruction{color:var(--muted);font-size:.95rem;margin:0 0 12px}.right-answer{margin:18px 0;padding:14px;border-left:4px solid var(--blue);border-radius:10px;background:#f3f8ff}.right-answer p{margin:4px 0 0}.learning-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.quiet-button{border:0;background:transparent;color:var(--muted);font:inherit;cursor:pointer;padding:10px}.exam-shell{max-width:760px;margin:auto}.exam-top{display:flex;align-items:center;justify-content:space-between;margin:4px 0 10px;font-weight:750}.exam-top>div{text-align:right}.exam-top small{display:block;color:var(--muted);font-size:.78rem;font-weight:500}.exam-top strong{display:block;color:var(--red);font-size:1.25rem;font-variant-numeric:tabular-nums}.question-navigator{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;min-height:34px;margin:16px 0}.question-dot{min-height:34px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--muted);font:700 .82rem inherit;cursor:pointer}.question-dot.current{border:2px solid var(--blue);color:var(--blue)}.question-dot.answered{background:#e9f6ee;border-color:#b6dfc5;color:#14743f}.options{display:grid;gap:10px}.option{width:100%;display:flex;gap:13px;align-items:center;text-align:left;padding:15px;border:1px solid #bdc9d7;background:#fff;border-radius:12px;font:inherit;cursor:pointer}.option b{display:grid;place-items:center;width:28px;height:28px;flex:none;border-radius:50%;background:var(--pale);color:var(--blue)}.option.selected{border:2px solid var(--blue);background:#edf5ff}.option:disabled{cursor:wait}.exam-nav{display:flex;gap:12px;justify-content:space-between;margin-top:20px}.exam-nav button{min-width:120px}.confirm-dialog{position:fixed;inset:0;z-index:10;display:grid;place-items:end center;padding:18px;background:#11243d88}.confirm-dialog[hidden]{display:none}.confirm-dialog>div{width:min(100%,500px);padding:24px;border-radius:18px;background:#fff}.confirm-dialog h2{margin-top:0}.confirm-dialog .button{margin:8px 8px 0 0}.result-panel{text-align:center}.percentage{font-size:1.3rem;font-weight:700;color:var(--blue)}.review-summary{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:24px 0}.review-summary span{border-radius:99px;padding:6px 10px;font-weight:700;font-size:.82rem}.correct{background:#e8f7ef;color:#126b3f}.incorrect{background:#fff0f1;color:#af1921}.unanswered{background:#f0f3f6;color:#59697a}.review-list{text-align:left;display:grid;gap:12px}.review-item{border:1px solid var(--line);border-left:5px solid var(--muted);border-radius:10px;padding:14px}.review-item.correct{border-left-color:var(--green)}.review-item.incorrect{border-left-color:var(--red)}.review-item p{margin:5px 0}.review-item small{color:var(--muted)}.result-actions{display:grid;gap:12px;max-width:380px;margin:28px auto 0}.result-actions p{margin:0;color:var(--muted)}.package-grid{display:grid;gap:12px}.package-card{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:17px;border:1px solid var(--line);border-radius:12px;background:#fff}.package-card strong{color:var(--blue);font-size:1.2rem}.package-card span{color:var(--muted)}.progress-section{margin:14px 0}.progress-section h2{margin:0 0 10px;font-size:1.1rem}.progress-section>div{margin-bottom:15px;color:var(--muted)}.empty-state{text-align:center}.empty-state .button{margin:5px}.help-services{padding:0;border:0;background:transparent}.faq-card{margin-top:14px}.faq-card details{padding:12px 0;border-bottom:1px solid var(--line)}.faq-card summary{cursor:pointer;font-weight:700}.faq-card p{color:var(--muted)}.help-special{text-align:center;margin:24px 0 10px;color:var(--muted)}.help-form{margin-top:15px}.help-form label{display:block;margin:14px 0 6px;font-weight:700}.help-form input,.help-form select,.help-form textarea{display:block;width:100%;min-height:46px;padding:10px;border:1px solid #b9c7d7;border-radius:9px;background:#fff;font:inherit}.help-form textarea{min-height:120px}@media(max-width:430px){.site-header{padding-inline:16px}.language-picker button{min-width:36px}.page-shell{padding:14px 0 22px}.question-navigator{grid-template-columns:repeat(8,1fr)}.exam-nav .button{min-width:0;flex:1}.welcome-card{grid-template-columns:56px minmax(0,1fr) 18px;padding:17px;gap:13px}.home-icon{width:56px;height:56px}.welcome-rule{margin-bottom:38px}}