:root{--ink:#26313c;--muted:#687685;--blue:#356b95;--blue-dark:#245272;--blue-pale:#eaf2f7;--line:#cad6df;--cream:#f6f4ee;--paper:#fff;--gold:#d8a539}*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;background:#edf0f2;color:var(--ink);font-family:Arial,"Noto Sans TC","Microsoft JhengHei",sans-serif}button,input{font:inherit}button{cursor:pointer}.loading-shell,.error-shell{width:min(600px,calc(100% - 32px));margin:90px auto;padding:50px;text-align:center;background:#fff;border:1px solid var(--line)}.spinner{width:34px;height:34px;margin:0 auto 18px;border:4px solid #d8e3ea;border-top-color:var(--blue);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.site-shell{width:min(1060px,calc(100% - 32px));margin:28px auto;background:#fff;border:1px solid #ccd4da;box-shadow:0 12px 34px rgba(41,55,67,.12)}.brand-header{min-height:100px;padding:20px 28px;display:flex;align-items:center;gap:17px;border-top:5px solid var(--blue);border-bottom:1px solid var(--line);background:linear-gradient(#fff,#f4f7f9)}.brand-header.compact{min-height:84px}.brand-mark{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;border:4px double #fff;box-shadow:0 0 0 2px var(--blue);font-size:27px;font-weight:700}.brand-mark.small{width:42px;height:42px;font-size:20px;box-shadow:none;border-width:3px;flex:0 0 auto}.eyebrow{margin:0 0 4px;color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.16em}.brand-header h1{margin:0;font-size:25px}.version{margin-left:auto;color:var(--muted);font-size:12px}.welcome-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:38px;padding:50px;background:linear-gradient(120deg,#fff 0 58%,#f4f7f9 58%)}.section-kicker{color:var(--gold);font-size:12px;letter-spacing:.12em;font-weight:700}.welcome-copy h2{font-size:32px;margin:12px 0 14px}.welcome-copy>p{color:var(--muted);line-height:1.75;font-size:15px}.notice-box{margin-top:28px;padding:16px 18px;display:flex;flex-direction:column;gap:5px;border-left:4px solid var(--gold);background:#fff9e9;font-size:13px;line-height:1.55}.confirmation-card{border:1px solid var(--line);background:#fff;padding:25px;box-shadow:0 8px 20px rgba(48,68,84,.08)}.candidate-line{display:grid;grid-template-columns:92px 1fr;gap:10px;padding:11px 0;border-bottom:1px solid #e6ebee;font-size:14px}.candidate-line span{color:var(--muted)}fieldset{border:0;padding:0;margin:24px 0}legend{margin-bottom:10px;font-size:13px;font-weight:700;color:var(--muted)}.mode-option{display:flex;gap:11px;align-items:center;padding:13px;margin-bottom:9px;border:1px solid var(--line);cursor:pointer}.mode-option.active{border-color:var(--blue);background:var(--blue-pale);box-shadow:inset 3px 0 var(--blue)}.mode-option input{accent-color:var(--blue)}.mode-option span{display:flex;flex-direction:column;gap:3px}.mode-option small{color:var(--muted)}.primary-button,.next-button{border:0;background:var(--blue);color:#fff;padding:13px 20px;font-weight:700;box-shadow:inset 0 -2px rgba(0,0,0,.16)}.primary-button{width:100%}.primary-button:hover,.next-button:hover{background:var(--blue-dark)}.site-shell>footer{text-align:center;padding:16px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.exam-page{min-height:100vh;display:flex;flex-direction:column;background:#f1f3f4}.exam-header{min-height:82px;padding:13px clamp(18px,4vw,58px);display:flex;align-items:center;justify-content:space-between;background:#fff;border-top:5px solid var(--blue);border-bottom:1px solid var(--line)}.exam-brand{display:flex;align-items:center;gap:14px}.exam-brand div{display:flex;flex-direction:column;gap:4px}.exam-brand small{color:var(--muted)}.exam-meta{display:flex;gap:24px;color:var(--muted);font-size:13px}.exam-meta b{color:var(--ink);margin-left:4px}.timer{padding-left:20px;border-left:1px solid var(--line)}.progress-track{height:5px;background:#dce4e9}.progress-track span{display:block;height:100%;background:var(--gold)}.exam-workspace{width:min(1120px,calc(100% - 32px));margin:24px auto;display:grid;grid-template-columns:138px 1fr;gap:16px;flex:1}.question-sidebar{border:1px solid var(--line);background:#fff;padding:20px 16px;text-align:center;align-self:start}.question-number{display:block;font-size:42px;color:var(--blue);font-weight:700;line-height:1;padding-bottom:16px;border-bottom:1px solid var(--line)}.question-sidebar p{margin:13px 0 0;color:var(--muted);font-size:12px}.ability-meter{margin-top:22px;padding:12px 5px;background:var(--blue-pale);display:flex;flex-direction:column;gap:3px;font-size:11px;color:var(--muted)}.ability-meter b{font-size:16px;color:var(--blue-dark)}.question-card{border:1px solid var(--line);background:#fff;padding:clamp(22px,4vw,42px);min-height:560px}.question-heading{display:flex;justify-content:space-between;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:12px;font-size:12px;letter-spacing:.08em}.question-heading span{color:var(--blue);font-weight:700}.question-card h2{margin:25px 0;font-size:22px;text-align:center;line-height:1.55}.media-frame{margin:0 auto 24px;max-width:660px;min-height:190px;display:grid;place-items:center;background:var(--cream);border:1px solid #d9d5cb;padding:12px}.media-frame img{max-width:100%;max-height:350px;object-fit:contain}.audio-frame{margin:0 auto 25px;max-width:650px;padding:15px 18px;background:var(--blue-pale);border:1px solid #c7dbe8;display:flex;align-items:center;gap:18px}.audio-frame>span{font-size:13px;font-weight:700;color:var(--blue-dark);white-space:nowrap}.audio-frame audio{width:100%;height:38px}.answers{max-width:760px;margin:0 auto;display:grid;gap:10px}.answer-option{min-height:58px;display:grid;grid-template-columns:50px 1fr;align-items:stretch;border:1px solid #cbd5dc;background:#fff;cursor:pointer}.answer-option:hover{border-color:#7b9ab0;background:#f7fafb}.answer-option.selected{border-color:var(--blue);background:var(--blue-pale);box-shadow:inset 4px 0 var(--blue)}.answer-option input{position:absolute;opacity:0}.answer-key{display:grid;place-items:center;border-right:1px solid #d5dfe5;font-weight:700;color:var(--blue)}.answer-text{display:flex;align-items:center;padding:12px 18px}.exam-footer{min-height:76px;padding:12px clamp(18px,4vw,58px);background:#fff;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px}.exam-footer p{margin:0;color:var(--muted);font-size:12px}.next-button{min-width:220px}.next-button span{float:right;font-size:20px}.next-button:disabled{background:#aebac2;cursor:not-allowed;box-shadow:none}.result-shell{max-width:850px}.result-card{padding:50px;text-align:center}.result-seal{display:grid;place-items:center;margin:0 auto 18px;width:74px;height:74px;border-radius:50%;border:2px solid var(--blue);color:var(--blue);font-weight:700}.result-score{margin:28px 0;color:var(--blue);font-size:56px;font-weight:700}.result-score small{font-size:17px;color:var(--muted)}.result-grid{max-width:600px;margin:0 auto 24px;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line)}.result-grid div{padding:18px;display:flex;flex-direction:column;gap:6px;border-right:1px solid var(--line)}.result-grid div:last-child{border-right:0}.result-grid span{color:var(--muted);font-size:12px}.result-grid b{font-size:20px}.result-note{color:var(--muted);font-size:13px}.result-button{width:auto;min-width:220px;margin-top:14px}@media(max-width:760px){.site-shell{width:calc(100% - 18px);margin:9px auto}.brand-header{padding:16px}.brand-header h1{font-size:19px}.version{display:none}.welcome-panel{grid-template-columns:1fr;padding:25px 18px;background:#fff}.welcome-copy h2{font-size:26px}.exam-header{height:auto;align-items:flex-start;gap:12px}.exam-brand b{font-size:14px}.exam-meta{flex-direction:column;gap:5px;align-items:flex-end}.timer{padding:0;border:0}.exam-workspace{grid-template-columns:1fr;margin:12px auto}.question-sidebar{display:flex;align-items:center;gap:12px;padding:10px 14px;text-align:left}.question-number{font-size:26px;padding:0 12px 0 0;border:0;border-right:1px solid var(--line)}.question-sidebar p{margin:0}.ability-meter{margin:0 0 0 auto;padding:6px 10px}.question-card{padding:20px 15px;min-height:0}.question-card h2{font-size:18px}.audio-frame{flex-direction:column;align-items:stretch}.exam-footer{position:sticky;bottom:0}.exam-footer p{display:none}.next-button{width:100%}.result-card{padding:35px 18px}.result-grid{grid-template-columns:1fr}.result-grid div{border-right:0;border-bottom:1px solid var(--line)}.result-grid div:last-child{border-bottom:0}}
