@charset "UTF-8";
:root{--ink:#282237;--muted:#716a80;--paper:#faf9ff;--line:#e9e3f2;--blue:#7044ef;--soft:#f0eaff;--lime:#dcff8c}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.4}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #ff9868;outline-offset:4px}a{color:inherit}header{max-width:1120px;margin:auto;padding:24px 32px;display:flex;justify-content:space-between;align-items:center;gap:16px}.brand{text-decoration:none;display:flex;align-items:center;gap:10px;font-size:18px;font-weight:750}.brand-icon{background:var(--blue);color:var(--lime);display:grid;place-items:center;width:36px;height:36px;border-radius:12px;font-size:29px;line-height:1}.edition{font-size:13px;color:#594879;background:#eee7fc;border-radius:30px;padding:5px 13px}main{max-width:1060px;margin:20px auto 48px;padding:0 24px;min-height:65vh}.quiz-layout{max-width:720px;margin:auto}.intro{text-align:center;margin-bottom:25px}.eyebrow{font-size:13px;letter-spacing:1px;color:var(--blue);font-weight:650;margin:0 0 8px}.intro h1{font-size:36px;line-height:1.4;margin:0 0 10px;letter-spacing:-1px;font-weight:800}.accent-word{display:inline-block;transform:rotate(-3deg);background:var(--lime);padding:0 9px;border-radius:8px;margin-left:5px;color:#323e24}.intro>p{color:var(--muted);font-size:15px;margin:10px 0}.intro .eyebrow{color:var(--blue);font-size:12px}.big-index,.chapter-list,.intro .small-note{display:none}.question-card{background:white;border:1px solid var(--line);border-radius:24px;padding:27px 34px 23px;box-shadow:0 8px 32px #51368607}.progress-top{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin-bottom:12px}.progress-top>span:first-child{color:var(--blue);font-weight:600}.progress-top>span:last-child{font-variant-numeric:tabular-nums}.progress{height:6px;background:#eee9f7;margin-bottom:25px;border-radius:9px;overflow:hidden}.progress>div{height:100%;background:var(--blue);border-radius:9px;transition:width .25s}.question-type{font-size:13px;color:#966000;background:#fff1d6;border-radius:6px;display:inline-block;padding:3px 9px;margin:0 0 11px}.question-card h2{font-size:23px;font-weight:700;line-height:1.6;margin:0 0 10px}.question-help{font-size:14px;color:var(--muted);margin:0 0 20px}.options{border:0;padding:0;margin:0;display:grid;gap:9px;min-width:0}.option{display:flex;align-items:center;gap:12px;width:100%;padding:11px 15px;background:#fff;border:1.5px solid var(--line);color:var(--ink);text-align:left;border-radius:12px;transition:background .15s,border .15s,transform .15s}.option:hover{border-color:#baa5f8;background:#faf7ff;transform:translateX(2px)}.option.selected{background:var(--soft);border-color:var(--blue);color:#5530bd;font-weight:600}.option input{appearance:none;flex:none;width:19px;height:19px;margin:0;border:1.5px solid #c7bdd8;border-radius:50%;background:white}.option input:checked{border:6px solid var(--blue)}.option span{flex:1}.option-key{font-size:12px;color:#9990a7;font-weight:400;background:#f6f3fa;padding:0 6px;border-radius:4px}.option.unknown{border-style:dashed;color:var(--muted);font-size:14px;background:#fcfbfe}.controls{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-top:23px}.primary{border:0;background:var(--blue);color:white;border-radius:12px;padding:12px 26px;font-weight:650;box-shadow:0 4px 0 #5630bf}.primary:hover:not(:disabled){background:#6031e1}.primary:active:not(:disabled){transform:translateY(2px);box-shadow:0 2px 0 #5630bf}.secondary{border:1px solid var(--line);background:white;border-radius:12px;padding:11px 21px;color:var(--ink)}.text-button{background:none;border:0;padding:6px 0;color:var(--muted);font-size:14px;text-decoration:underline;text-underline-offset:4px}.keyboard-note{font-size:12px;color:#80758f;margin-top:16px;text-align:right}footer{max-width:1000px;margin:0 auto;padding:20px 24px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}dialog{border:1px solid var(--line);border-radius:22px;max-width:650px;width:calc(100% - 32px);padding:28px;color:var(--ink);line-height:1.9}dialog::backdrop{background:#24164066;backdrop-filter:blur(3px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.dialog-head h2{font-size:24px}dialog p,dialog li{font-size:15px}.result-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}.result-heading h1{font-size:27px;font-weight:750;margin:0}.result-hero{background:#ece4ff;display:grid;grid-template-columns:1.6fr 1fr;padding:34px;gap:30px;border-radius:24px;border:1px solid #dfd0ff}.result-hero .eyebrow{color:#6940bb}.result-hero h2{font-size:37px;font-weight:800;line-height:1.45;letter-spacing:-.7px;margin:10px 0 16px;color:#492a85}.result-hero p{color:#615072;margin:0;font-size:16px}.method-panel{background:var(--lime);padding:23px;border-radius:18px;align-self:center}.method-panel .eyebrow{color:#4a662b;font-size:12px}.method-panel h3{font-size:25px;line-height:1.5;margin:8px 0;color:#324722}.method-panel p{font-size:14px;color:#4a5b39}.section-title{font-size:23px;font-weight:750;margin:0 0 10px}.section-desc{font-size:14px;color:var(--muted);margin:0 0 23px}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.panel{background:white;border:1px solid var(--line);padding:28px;border-radius:20px}.bar-row{--bar:#7950eb;display:grid;grid-template-columns:60px 1fr 40px;gap:12px;align-items:center;margin:19px 0;font-size:14px}.bar-row:nth-of-type(2){--bar:#ed7584}.bar-row:nth-of-type(3){--bar:#ee9a35}.bar-row:nth-of-type(4){--bar:#29a69d}.bar-row:nth-of-type(5){--bar:#528be8}.bar-row:nth-of-type(6){--bar:#a374da}.bar-row:nth-of-type(7){--bar:#92ac36}.bar-track{height:9px;background:#f3f0f8;border-radius:9px;overflow:hidden}.bar-fill{height:100%;background:var(--bar);border-radius:9px}.bar-value{text-align:right;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.bar-row.top{font-weight:700}.evidence{background:#f7f3ff;padding:13px 16px;margin:12px 0;font-size:14px;border-radius:12px}.evidence:nth-of-type(2){background:#eef8ee}.evidence:nth-of-type(3){background:#fff2e8}.evidence strong{display:block;margin-bottom:4px}.author-section{margin-top:34px}.author-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.author-card{border:1px solid #e2d7fa;border-top:5px solid #9c79ef;background:white;padding:26px;border-radius:20px}.author-card:nth-child(2){border-color:#f4dbc5;border-top-color:#ff905e}.author-number{display:inline-grid;place-items:center;width:40px;height:32px;font-size:15px;font-weight:750;background:var(--soft);color:var(--blue);border-radius:8px}.author-card:nth-child(2) .author-number{background:#fff0df;color:#a35517}.author-card h3{font-size:27px;line-height:1.4;margin:15px 0 6px}.author-route{color:var(--blue);font-size:14px;margin-bottom:17px}.author-card p{font-size:15px}.author-card .label{display:block;font-size:13px;color:var(--muted);margin-top:19px}.exercise{background:#f7f4fc;padding:1px 16px 6px;border-radius:12px;margin:20px 0 15px}.author-card:nth-child(2) .exercise{background:#fff6ee}.result-actions{display:flex;gap:15px;flex-wrap:wrap;align-items:center;margin:28px 0 16px}.closing-note{font-size:13px;color:var(--muted)}.status{font-size:14px;color:var(--blue)}@media(min-width:1000px){.intro{margin-bottom:28px}.intro h1{font-size:40px}.question-card{padding:30px 40px 25px}}@media(max-width:650px){header{padding:18px 20px}.brand{font-size:16px}.brand-icon{width:31px;height:31px;font-size:25px;border-radius:10px}.edition{font-size:12px;padding:4px 10px}main{margin:15px auto 30px;padding:0 16px}.intro{margin-bottom:21px}.intro h1{font-size:29px}.intro>p{font-size:14px}.intro .eyebrow{font-size:12px}.question-card{padding:21px 19px;border-radius:20px}.question-card h2{font-size:21px}.question-help{font-size:13px}.progress{margin-bottom:22px}.option{padding:12px}.option-key,.keyboard-note{display:none}.controls{margin-top:21px}.primary{padding:12px 22px}.result-heading h1{font-size:24px}.result-heading{align-items:flex-start}.result-grid,.author-grid,.result-hero{grid-template-columns:1fr}.result-hero{padding:25px;gap:23px}.result-hero h2{font-size:31px}.result-hero p{font-size:15px}.method-panel{padding:20px}.panel,.author-card{padding:23px}.section-title{font-size:22px}.result-actions{gap:12px}.result-actions .primary,.result-actions .secondary{padding:11px 16px}footer{margin:0 16px;padding:18px 0;font-size:12px;gap:10px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.option:hover{transform:none}}@media print{header,footer,.result-actions,.result-heading button{display:none}body{background:white}main{max-width:none;margin:0;padding:0}.result-hero{background:white;border:1px solid #ccc}.panel,.author-card{break-inside:avoid}.result-grid,.author-grid{gap:15px}.author-section{margin-top:25px}}

/* ==========================================
   商业化鉴权弹窗与认证徽章样式 (卡密激活 + 一机一码)
   ========================================== */
.header-right{display:flex;align-items:center;gap:10px}
.auth-badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;background:#ede9fe;color:#5b21b6;padding:4px 12px;border-radius:99px;font-weight:600;border:1px solid #ddd6fe}
.auth-badge .dot{width:7px;height:7px;background:#10b981;border-radius:50%;display:inline-block}
.auth-badge .text-btn{background:none;border:none;color:#7c3aed;font-size:12px;padding:0 4px;cursor:pointer;text-decoration:underline}

/* 全屏卡密激活弹窗 */
.gate-overlay{position:fixed;inset:0;background:rgba(15,23,42,0.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:9999;padding:20px}
.gate-card{background:#ffffff;border-radius:24px;padding:36px 30px;width:100%;max-width:440px;box-shadow:0 25px 50px -12px rgba(112,68,239,0.25);border:1px solid var(--line);text-align:center;animation:gatePopIn 0.25s cubic-bezier(0.16,1,0.3,1)}
@keyframes gatePopIn{from{opacity:0;transform:scale(0.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}
.gate-icon{width:54px;height:54px;background:linear-gradient(135deg,#7044ef,#dbff7a);color:#fff;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:14px;box-shadow:0 8px 16px -4px rgba(112,68,239,0.4)}
.gate-title{font-size:22px;font-weight:750;color:var(--ink);margin:0 0 6px}
.gate-subtitle{font-size:14px;color:var(--muted);margin:0 0 22px;line-height:1.5}
.gate-input-wrapper{margin-bottom:14px;text-align:left}
.gate-input{width:100%;padding:13px 16px;font-size:18px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-weight:700;letter-spacing:2px;text-align:center;text-transform:uppercase;border:2px solid #d8b4fe;border-radius:14px;outline:none;background:#faf5ff;color:#4c1d95;transition:all 0.2s}
.gate-input:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(112,68,239,0.15)}
.gate-input::placeholder{font-size:14px;font-weight:400;letter-spacing:normal;color:#a78bfa}
.gate-error{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;padding:8px 12px;border-radius:10px;font-size:13px;margin-bottom:14px;display:none}
.gate-btn{width:100%;padding:13px;font-size:16px;border-radius:14px;margin-bottom:18px}
.gate-tips{font-size:12px;color:var(--muted);background:#f8fafc;padding:12px 14px;border-radius:12px;text-align:left;line-height:1.6;border:1px dashed var(--line)}
.gate-tips p{margin:2px 0}

/* 欢迎着陆屏 */
.landing-hero{max-width:760px;margin:20px auto 40px;text-align:center}
.landing-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin:30px 0;text-align:left}
.landing-feat-card{background:#fff;border:1px solid var(--line);padding:20px;border-radius:18px;box-shadow:0 4px 16px rgba(81,54,134,0.04)}
.landing-feat-card .num{font-size:13px;font-weight:750;color:var(--blue);background:var(--soft);display:inline-block;padding:2px 8px;border-radius:6px;margin-bottom:10px}
.landing-feat-card h3{font-size:17px;margin:0 0 6px;color:var(--ink)}
.landing-feat-card p{font-size:13px;color:var(--muted);margin:0;line-height:1.5}
.saved-badge{display:inline-flex;align-items:center;gap:6px;background:#ecfdf5;color:#047857;border:1px solid #a7f3d0;padding:5px 14px;border-radius:99px;font-size:13px;font-weight:600;margin-bottom:16px}