:root{--ink:#222136;--muted:#676577;--purple:#6247ed;--lime:#dcff83;--paper:#f6f5fa;--line:#e5e2ed}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.4;cursor:not-allowed}a{color:inherit}header{max-width:1180px;margin:auto;padding:26px 36px;display:flex;justify-content:space-between;align-items:center}.brand{text-decoration:none;font-weight:750;display:flex;gap:12px;align-items:center}.mark{display:grid;place-items:center;background:var(--purple);color:var(--lime);width:38px;height:38px;border-radius:12px;font-size:28px}.edition,.small{font-size:14px;color:var(--muted)}main{max-width:1040px;margin:24px auto 60px;padding:0 28px}.intro{text-align:center;padding:36px 20px}.pill{display:inline-block;background:var(--lime);border-radius:99px;padding:6px 16px;font-size:14px;font-weight:650}h1{font-size:clamp(52px,8vw,86px);line-height:1.16;letter-spacing:-.045em;margin:25px 0}h1 em{font-style:normal;color:var(--purple)}.intro p{font-size:18px}.primary{background:var(--purple);color:white;border:0;border-radius:16px;padding:15px 26px;font-weight:650;min-height:54px}.primary span{margin-left:36px}.intro .primary{margin-top:14px;min-width:250px}.intro .small{font-size:14px}.formats{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:28px 0}.formats span{padding:8px 18px;border:1px solid var(--line);border-radius:14px;background:white}.intro-note{max-width:520px;margin:25px auto;font-size:14px!important;color:var(--muted)}footer{text-align:center;padding:20px;font-size:13px;color:var(--muted)}.quiz{max-width:730px;margin:auto}.stephead{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);margin:22px 0 12px}progress{width:100%;height:7px;border:0;display:block;border-radius:10px;overflow:hidden;background:var(--line)}progress::-webkit-progress-bar{background:var(--line)}progress::-webkit-progress-value{background:var(--purple);border-radius:10px}.question{background:white;border:1px solid var(--line);border-radius:26px;padding:34px;margin-top:22px;box-shadow:0 10px 32px #27214005}.eyebrow{color:var(--purple);font-size:14px;font-weight:700;letter-spacing:.04em}h2{font-size:26px;line-height:1.5;margin:12px 0 18px}.hint{color:var(--muted);font-size:14px;margin:0 0 22px}.options{display:grid;gap:10px}.option{position:relative;display:flex;gap:13px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:13px 16px;cursor:pointer;min-height:53px}.option:hover{border-color:#b3a7ef}.option:has(input:checked){background:#f0ecff;border-color:var(--purple);color:#4932c2}.option input{accent-color:var(--purple);width:18px;height:18px;flex-shrink:0}.option:has(input:focus-visible){outline:3px solid #b4a9fc;outline-offset:2px}.controls{display:flex;justify-content:space-between;gap:14px;margin-top:24px}.ghost{border:1px solid var(--line);background:white;border-radius:14px;padding:12px 18px;color:var(--ink)}.quiznote{text-align:center;font-size:13px;color:var(--muted);margin-top:20px}.result-hero{background:var(--purple);color:white;border-radius:28px;padding:36px;position:relative}.result-hero .pill{color:var(--ink)}.result-hero h1{font-size:clamp(30px,5vw,48px);line-height:1.4;letter-spacing:-.02em}.result-hero p{max-width:720px;color:#eeeaff}.section-title{display:flex;align-items:center;justify-content:space-between;margin-top:34px}.section-title h2{font-size:22px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.card{background:white;border:1px solid var(--line);border-radius:22px;padding:25px}.card h3{font-size:21px;margin:9px 0}.card p{margin:10px 0}.badge{font-size:13px;background:#ede9ff;color:#523cc5;border-radius:99px;padding:4px 10px;display:inline-block}.card.featured{border:2px solid var(--purple)}.task{background:#effbd9;border-radius:14px;padding:15px;margin-top:18px}.muted{color:var(--muted);font-size:14px}.bar-row{margin:16px 0}.bar-label{display:flex;justify-content:space-between;font-size:14px;margin-bottom:7px}.track{height:8px;background:#eeecf5;border-radius:8px;overflow:hidden}.fill{height:100%;background:var(--purple);border-radius:8px}.card:nth-child(2) .fill{background:#ef9171}.method{border-left:3px solid var(--lime);padding-left:16px;margin:18px 0}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}details{border:1px solid var(--line);border-radius:16px;background:white;padding:18px;margin-top:20px}summary{cursor:pointer;font-weight:650}details p,details li{font-size:14px;color:var(--muted)}:focus-visible{outline:3px solid #b4a9fc;outline-offset:4px}.choose{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}.choose button[aria-pressed=true]{border-color:var(--purple);background:#ede9ff}ul{padding-left:22px}.notice{padding:18px 20px;border-radius:16px;background:#fff0e6;margin:20px 0}fieldset{margin:0;padding:0;border:0;min-width:0}legend{padding:0;width:100%}.result-heading:focus,.question-title:focus{outline:none}@media(max-width:600px){header{padding:18px 20px}.edition{display:none}main{padding:0 16px;margin-top:10px}.intro{padding:26px 0}.question{padding:24px 19px;border-radius:20px}h2{font-size:22px}.grid{grid-template-columns:1fr}.result-hero{padding:26px 23px}.card{padding:22px}.controls .primary{flex:1}.option{padding:12px}.result-hero h1{font-size:32px}.actions button{flex:1}.section-title h2{font-size:21px}}@media print{header,footer,.actions,.choose,button{display:none!important}body{background:white}.card,.result-hero{break-inside:avoid}.result-hero{background:#eee;color:#222}.result-hero p{color:#222}main{max-width:none;padding:0}.grid{display:block}.card{margin-bottom:14px}details{display:block}}
.learning-route{margin-top:38px}.learning-route>.muted{margin-top:-8px;margin-bottom:20px}.mentor h3{font-size:28px;margin-bottom:0}.mentor-role{color:var(--purple);font-weight:650;margin-top:2px!important}.reference{background:#f6f4fc;border-radius:14px;padding:16px;margin:20px 0}.reference a{color:#4f35c7;font-size:14px;text-underline-offset:4px}.mentor li{margin:9px 0}.practice-plan{margin-top:18px}.practice-plan h3{font-size:26px}.plan-steps{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:28px 0}.plan-step{display:flex;gap:14px}.plan-step>span{font-size:15px;font-weight:750;background:var(--lime);border-radius:10px;width:36px;height:36px;display:grid;place-items:center;flex-shrink:0}.plan-step p{font-size:15px;color:var(--muted);margin:6px 0}.practice-plan h4{margin:8px 0}.practice-plan li{margin:9px 0}.practice-warning{background:#fff0e6;border-radius:12px;padding:16px}.learning-route .section-title h2{line-height:1.5}@media(max-width:600px){.plan-steps{grid-template-columns:1fr;gap:20px}.mentor h3{font-size:25px}.practice-plan h3{font-size:23px}.learning-route{margin-top:30px}}

/* ==========================================
   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(98,71,237,0.25);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,#6247ed,#dcff83);color:#1e1b4b;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(98,71,237,0.4)}
.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(--purple);background:#fff;box-shadow:0 0 0 4px rgba(98,71,237,0.15)}
.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}
.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}