:root{color-scheme:dark;--bg:#101112;--panel:#191b1e;--text:#f4f4f2;--muted:#a4a8af;--line:#34373c;--silver:#d8dbe0;--result:#c1deac;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:15px;line-height:1.65}button,input,a{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.4;cursor:not-allowed}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--silver);outline-offset:4px}button{color:inherit}button:disabled:focus-visible{outline:none}[hidden]{display:none!important}.shell{max-width:1200px;margin:auto}.header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:26px 42px;border-bottom:1px solid var(--line)}.logo{font-size:22px;font-weight:600;letter-spacing:-1px;display:flex;align-items:center;gap:15px}.logo span{font-size:10px;font-weight:400;letter-spacing:1.7px;color:var(--muted)}nav{display:flex;gap:28px;font-size:13px;color:var(--muted)}nav a:hover,nav a[aria-current=page]{color:var(--text)}.demo-pill{font-size:11px;color:var(--silver);border:1px solid var(--line);padding:4px 11px;border-radius:30px}.hero{display:grid;grid-template-columns:1fr 1fr;gap:45px;padding:80px 65px 75px;align-items:center}.eyebrow{color:var(--muted);font-size:12px;letter-spacing:1.5px}.eyebrow::before{content:"";display:inline-block;background:var(--silver);width:5px;height:5px;margin-right:9px;border-radius:50%;vertical-align:middle}h1{font-size:clamp(46px,5.6vw,72px);line-height:1.25;font-weight:500;letter-spacing:-3px;margin:26px 0}h1 span{background:linear-gradient(120deg,#f3f4f6,#a0a5af 55%,#e9ecf0);background-clip:text;color:transparent}.lead{color:var(--muted);line-height:1.9;font-size:16px;margin:0 0 30px}.primary{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;border:1px solid #edf0f3;border-radius:9px;padding:14px 23px;min-height:50px;background:linear-gradient(120deg,#f5f6f7,#bdc2ca);color:#15171a;font-weight:500}.primary:hover{filter:brightness(1.08)}.secondary{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:#202328;border:1px solid #454950;border-radius:9px;min-height:48px;padding:11px 20px}.quiet{border:0;background:transparent;color:var(--muted);padding:10px 0;font-size:13px}.quiet:hover{color:var(--text)}.small-note{color:var(--muted);font-size:11px;margin-top:16px}.hero-art{position:relative;min-height:420px;display:flex;justify-content:center;align-items:center}.orbit{position:absolute;inset:0;overflow:hidden}.orbit i{position:absolute;width:380px;height:380px;top:20px;left:calc(50% - 190px);border:1px solid #3c4047;border-radius:50%;transform:rotate(-28deg) scaleX(.7)}.orbit i:nth-child(2){transform:rotate(40deg) scaleX(.7)}.orbit i:nth-child(3){transform:rotate(100deg) scaleX(.7)}.mini-report{position:relative;width:270px;background:linear-gradient(145deg,#2a2d33,#17191c);border:1px solid #656a75;border-radius:15px;padding:25px;transform:rotate(-5deg);box-shadow:0 25px 60px #0007}.mini-caption{font-size:9px;letter-spacing:1.5px;color:var(--muted)}.mini-label{font-size:11px;color:var(--muted);margin-top:28px}.mini-score{font-size:88px;line-height:1.2;color:#c1deac;letter-spacing:-5px}.mini-score small{font-size:14px;letter-spacing:0;color:var(--muted);margin-left:10px}.mini-report h2{font-size:25px;font-weight:500;line-height:1.5;border-top:2px solid #c1deac;padding-top:19px;margin:15px 0 10px}.mini-report p{font-size:11px;color:var(--muted);margin:0 0 24px}.mini-bottom{display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.float{position:absolute;border:1px solid var(--line);background:#1a1c20;padding:10px 14px;border-radius:8px;font-size:11px;color:var(--silver)}.float.top{top:10px;right:0;transform:rotate(5deg)}.float.bottom{bottom:0;left:0;transform:rotate(3deg)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding:35px 65px 40px;border-top:1px solid var(--line);background:#141618}.steps span{color:var(--muted);font-size:11px;letter-spacing:1.2px}.steps h3{font-size:17px;font-weight:500;margin:12px 0 7px}.steps p{font-size:12px;color:var(--muted);margin:0}.home-bottom{display:flex;justify-content:center;gap:24px;padding:20px}.footer{display:flex;justify-content:space-between;align-items:center;gap:15px;border-top:1px solid var(--line);padding:22px 42px;color:var(--muted);font-size:11px}.footer button{border:0;background:transparent;font-size:11px;color:var(--muted);text-decoration:underline;min-height:32px}.quiz-wrap{max-width:690px;margin:auto;padding:44px 28px 65px;min-height:700px}.q-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.progress{height:3px;background:#303338;margin:15px 0 34px}.progress span{display:block;height:100%;background:var(--silver);transition:width .2s}.question h1{font-size:31px;letter-spacing:-.8px;line-height:1.5;margin:15px 0}.hint{font-size:12px;color:var(--muted);line-height:1.8;margin:0 0 26px}.options{display:grid;gap:11px}.option{display:flex;text-align:left;align-items:center;gap:14px;width:100%;padding:16px 18px;min-height:58px;border:1px solid #35383e;background:#181a1d;border-radius:9px;font-size:14px;color:#c5c8ce}.option:hover{background:#23262b}.option.selected{border-color:#c3c9d1;background:#292c32;color:var(--text)}.option-letter{font-size:12px;color:var(--muted);min-width:16px}.option-text{flex:1}.check{font-size:16px;color:var(--silver);width:15px}.q-actions{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:30px}.q-actions .quiet{min-height:45px}.saved{font-size:11px;text-align:center;margin-top:25px;color:var(--muted)}.factor-row{border:1px solid #35383e;border-radius:9px;background:#181a1d;padding:12px 15px}.factor-row.active{border-color:#929ba8}.factor-toggle{display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:0;background:transparent;padding:0;min-height:36px;font-size:13px}.factor-toggle span:last-child{flex:1}.factor-marks{display:flex;gap:8px;padding:8px 0 1px 26px}.factor-marks button{font-size:12px;border:1px solid #454950;background:#22252a;border-radius:6px;padding:7px 16px;min-height:36px}.factor-marks button[aria-pressed=true]{color:#15171a;background:var(--silver);border-color:var(--silver)}.validation{font-size:12px;color:#fa8585;min-height:22px;margin-top:12px}.result-wrap{padding:46px 55px 60px}.result-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:28px}.result-heading h1{font-size:30px;letter-spacing:-1px;margin:10px 0}.result-heading p{color:var(--muted);font-size:12px;margin:0}.result-columns{display:grid;grid-template-columns:minmax(280px,380px) 1fr;gap:42px;align-items:start}.share-card{background:linear-gradient(150deg,#272a30,#151719 70%);border:1px solid #4a5059;border-radius:13px;padding:28px 27px;box-shadow:0 22px 50px #0004}.share-brand{display:flex;justify-content:space-between;gap:10px;font-size:17px}.share-brand span:last-child{font-size:9px;color:var(--muted);padding-top:5px}.share-sub{color:var(--muted);font-size:9px;letter-spacing:1.3px;margin-top:5px}.type-label{display:inline-block;color:var(--result);border:1px solid color-mix(in srgb,var(--result) 40%,#3a3d43);background:color-mix(in srgb,var(--result) 8%,#17191b);padding:5px 10px;font-size:11px;border-radius:30px;margin-top:30px}.share-headline{font-size:30px;font-weight:500;line-height:1.5;letter-spacing:-1px;margin:17px 0 20px;white-space:pre-line}.score-row{display:flex;align-items:center;gap:20px}.big-score{font-size:90px;letter-spacing:-5px;color:var(--result);line-height:1.15;font-weight:400}.score-label{font-size:10px;color:var(--muted)}.score-status{font-size:12px;color:var(--result);margin-top:7px}.result-line{height:2px;background:var(--result);margin:20px 0}.share-desc{font-size:12px;color:#babec5;line-height:1.9;margin:0 0 25px}.share-tags{display:grid;grid-template-columns:1fr 1fr;gap:15px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:17px 0}.share-tags div{display:flex;flex-direction:column;gap:5px}.share-tags span{font-size:10px;color:var(--muted)}.share-tags strong{font-size:14px;font-weight:400}.share-footer{font-size:9px;color:var(--muted);display:flex;justify-content:space-between;gap:10px;margin-top:27px}.download-area{display:grid;grid-template-columns:1fr;gap:10px;margin-top:17px}.download-area .primary{width:100%}.result-info{padding-top:4px}.panel{border:1px solid var(--line);background:#17191c;border-radius:12px;padding:24px;margin-bottom:18px}.panel h2{font-size:18px;font-weight:500;margin:0 0 17px}.panel p{font-size:13px;line-height:1.85;color:#b4b9c1;margin:0}.meters{display:grid;gap:18px}.meter{display:grid;grid-template-columns:86px 1fr 28px;gap:13px;align-items:center;font-size:12px}.meter-track{background:#30343a;border-radius:5px;height:6px;overflow:hidden}.meter-track span{display:block;height:100%;background:#cbd1d9;border-radius:5px}.meter-num{color:var(--silver);text-align:right;font-variant-numeric:tabular-nums}.extra-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}.extra-metrics div{display:flex;flex-direction:column;gap:4px}.extra-metrics span{font-size:10px;color:var(--muted)}.extra-metrics strong{font-size:24px;font-weight:400}.next-action{margin-top:17px!important;padding-top:17px;border-top:1px solid var(--line)}.secondary-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:15px}.secondary-tags span{font-size:10px;padding:5px 9px;border:1px solid var(--line);border-radius:20px;color:var(--muted)}.locked{border-style:dashed}.locked .quiet{margin-top:15px}.alerts{border:1px solid #6a4242;background:#271e20;border-radius:12px;padding:18px 22px;margin:18px 0;color:#f2baba;font-size:12px}.alerts p{margin:6px 0}.notice{font-size:11px;color:var(--muted);line-height:1.9;margin-top:24px}.empty{max-width:650px;margin:80px auto;padding:0 25px;text-align:center;min-height:350px}.empty h1{font-size:34px;letter-spacing:-1px}.empty p{color:var(--muted)}dialog{background:#202328;color:var(--text);border:1px solid #535a64;border-radius:16px;padding:34px;max-width:570px;width:calc(100% - 34px);max-height:85vh;overflow:auto}dialog::backdrop{background:#000a;backdrop-filter:blur(4px)}dialog h2{font-size:23px;font-weight:500;margin:0 30px 18px 0}dialog p,dialog li{font-size:13px;color:#c0c5cc;line-height:1.9}dialog .dialog-close{position:absolute;right:14px;top:12px;background:none;border:0;font-size:26px;min-width:36px;min-height:36px;color:var(--muted)}dialog ul{padding-left:20px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#e5e8ed;color:#17191c;border:1px solid #fff;border-radius:9px;padding:12px 20px;max-width:90%;box-shadow:0 8px 25px #0007;font-size:13px;z-index:9}.error{color:#fa8585}.import-input{display:none}@media(max-width:760px){.header{padding:22px 24px}.logo span{display:none}nav{gap:17px;font-size:12px}.demo-pill{display:none}.hero{grid-template-columns:1fr;padding:40px 27px;gap:30px}h1{font-size:51px;letter-spacing:-2px}.lead{font-size:15px}.hero .primary{width:100%}.hero-art{min-height:410px}.float.top{right:0}.steps{grid-template-columns:1fr;gap:25px;padding:30px 27px}.steps>div{display:grid;grid-template-columns:80px 1fr;gap:0 15px}.steps h3{margin:0 0 6px}.steps p{grid-column:2}.footer{padding:20px 24px;flex-wrap:wrap;gap:10px 20px}.result-wrap{padding:30px 22px}.result-columns{grid-template-columns:1fr;gap:28px}.result-heading{align-items:flex-start}.result-heading h1{font-size:27px}.share-card{max-width:420px;margin:auto;width:100%}.download-area{max-width:420px;margin:17px auto 0}.panel{padding:21px}.quiz-wrap{padding:32px 22px 45px;min-height:650px}.question h1{font-size:27px}.option{font-size:13px;padding:15px 13px}.result-info{padding:0}.home-bottom{flex-wrap:wrap;gap:3px 20px}.small-note{font-size:10px}.result-heading .quiet{font-size:11px}.share-headline{font-size:29px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* A stable, compact question viewport; text may grow for accessibility. */
.quiz-page .footer{display:none}
.quiz-page .header{height:58px;padding:12px 24px}
.quiz-wrap{height:calc(100svh - 58px);min-height:640px;max-height:850px;padding:20px 24px 16px;display:flex;flex-direction:column}
.quiz-wrap .progress{flex:none;margin:10px 0 14px}
.question{display:flex;flex-direction:column;flex:1;min-height:0}
.question>.eyebrow{display:none}
.question h1{font-size:25px;line-height:1.4;height:105px;flex:none;display:flex;align-items:center;margin:0;letter-spacing:-.5px}
.question .hint{height:68px;flex:none;margin:0;font-size:12px;line-height:1.65}
.question .options{flex:1;grid-auto-rows:1fr;gap:8px;min-height:0}
.question .option{height:100%;min-height:48px;padding:10px 14px;font-size:14px;line-height:1.5}
.question .validation{flex:none;min-height:18px;margin-top:6px;font-size:11px}
.question .q-actions{flex:none;margin-top:0;min-height:46px}
.question .q-actions .primary{min-height:44px;padding:10px 20px}
.question .factor-row{display:flex;align-items:center;gap:5px;padding:3px 8px;min-height:38px}
.question .factor-toggle{font-size:12px;line-height:1.4;min-height:32px;gap:6px;flex:1}
.question .factor-marks{padding:0;gap:4px;flex:none}
.question .factor-marks button{font-size:11px;min-height:34px;padding:4px 6px}
.card-preview{display:block;width:100%;height:auto;margin:12px 0 20px;-webkit-touch-callout:default;user-select:auto;border-radius:8px}
.share-card>.type-label{margin-top:0}
@media(max-width:760px){
 .quiz-page .header{height:50px;padding:10px 20px}
 .quiz-wrap{height:calc(100svh - 50px);min-height:570px;padding:12px 20px 10px}
 .question h1{font-size:23px;height:96px}
 .question .hint{height:64px;font-size:11px}
 .question .option{font-size:13px;padding:8px 12px;gap:9px}
 .question .options{gap:6px}
}
@media(max-height:740px) and (max-width:760px){
 .quiz-wrap{padding-top:8px}
 .quiz-wrap .progress{margin:7px 0 7px}
 .question h1{height:82px;font-size:21px}
 .question .hint{height:58px;font-size:10px}
 .question .option{min-height:44px;font-size:12px;padding:6px 10px}
 .question .factor-toggle{font-size:11px}
 .question .factor-row{min-height:34px}
 .question .factor-marks button{min-height:32px;padding:3px 4px}
}
.extra-option-slot{height:38px;flex:none;display:flex;align-items:center;justify-content:center}
.not-applicable{font-size:11px;padding:5px 8px;min-height:34px;text-decoration:underline;text-underline-offset:3px}
.not-applicable[aria-pressed=true]{color:var(--text)}
.question .options{grid-template-rows:repeat(5,minmax(48px,1fr))}
@media(max-height:740px) and (max-width:760px){.question .options{grid-template-rows:repeat(5,minmax(44px,1fr))}.extra-option-slot{height:34px}}

@media(max-width:760px){.header,.quiz-page .header{padding-left:16px;padding-right:16px;gap:10px}.logo{font-size:17px;letter-spacing:-.5px;white-space:nowrap}nav{font-size:11px;gap:12px;white-space:nowrap}}
/* The landing page keeps its title, action and sample within one viewport. */
.home-page .shell{min-height:100svh;display:flex;flex-direction:column}
.home-page #app{flex:1;display:flex;flex-direction:column}
.home-page .hero{flex:1;padding:32px 65px;gap:32px}
.home-page .hero h1{margin:0 0 26px}
.home-page .home-bottom{padding:8px 20px 12px;align-items:center}
.home-page .footer{padding-top:12px;padding-bottom:12px}
@media(max-width:760px){
 .home-page .header{height:50px;flex:none}
 .home-page .hero{padding:20px 24px 12px;gap:16px;align-content:center;grid-template-columns:1fr;text-align:center}
 .home-page .hero h1{font-size:clamp(40px,6.5svh,55px);line-height:1.18;margin:0 0 18px}
 .home-page .hero .primary{max-width:360px;margin:auto}
 .home-page .small-note{margin-top:10px;font-size:10px}
 .home-page .hero-art{min-height:0;height:245px;max-width:340px;width:100%;margin:auto}
 .home-page .mini-report{width:225px;padding:17px 20px;border-radius:12px}
 .home-page .mini-caption{font-size:8px}
 .home-page .mini-label{margin-top:12px;font-size:10px}
 .home-page .mini-score{font-size:60px}
 .home-page .mini-report h2{font-size:19px;line-height:1.3;padding-top:10px;margin:8px 0}
 .home-page .mini-report p{font-size:10px;margin:0 0 12px}
 .home-page .mini-bottom{font-size:9px}
 .home-page .orbit i{width:240px;height:240px;left:calc(50% - 120px);top:0}
 .home-page .float{display:none}
 .home-page .home-bottom{gap:6px 20px;padding:2px 20px 8px;flex-wrap:nowrap}
 .home-page .home-bottom .quiet{font-size:11px;padding:7px 0}
 .home-page .footer{justify-content:center;font-size:10px;padding:9px 16px;flex:none}
}
@media(max-width:760px) and (max-height:680px){
 .home-page .hero{padding-top:12px;gap:8px}
 .home-page .hero h1{font-size:40px;margin-bottom:12px}
 .home-page .hero-art{height:205px}
 .home-page .mini-report{padding:12px 18px;width:210px}
 .home-page .mini-report h2{font-size:17px}
 .home-page .mini-score{font-size:52px}
 .home-page .mini-label{margin-top:6px}
 .home-page .mini-report p{margin-bottom:6px}
 .home-page .orbit i{height:200px;width:200px;left:calc(50% - 100px)}
}
@media(max-width:760px){.home-page .mini-report{transform:rotate(-5deg) scale(.9)}}
@media(max-width:760px) and (max-height:680px){.home-page .hero{gap:16px}}