:root{--ink:#263a43;--text:#425960;--muted:#566a70;--accent:#52717b;--accent-mid:#839ba2;--line:#cbd4d3;--paper:#f1efe8;--paper-light:#faf8f2;--panel:#e2e9e9;--panel-strong:#cad9dc;--warm-detail:#896d5e;color:var(--ink);background:var(--paper);font-family:'Noto Sans SC','Microsoft YaHei',sans-serif;font-size:15px;line-height:1.7;font-synthesis:none}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0}
button,a{-webkit-tap-highlight-color:transparent}
button{font:inherit;cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.42}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:'Noto Serif SC','Songti SC','SimSun',serif;font-weight:500;line-height:1.35}
p{line-height:1.9}
::selection{background:var(--line);color:var(--ink)}
.site-shell{max-width:1600px;margin:auto;min-height:100vh;background:var(--paper);overflow:hidden}
.masthead{height:84px;padding:0 clamp(24px,5vw,80px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(38,58,67,.25)}
.wordmark{display:flex;align-items:center;gap:13px;font-family:'Noto Serif SC','SimSun',serif;font-size:17px;line-height:1.1;letter-spacing:.06em}
.wordmark small{display:block;font-family:Georgia,serif;font-size:8px;letter-spacing:.15em;margin-top:7px}
.brand-mark{width:28px;height:27px;border:1.5px solid var(--ink);display:flex;align-items:stretch;gap:2px;padding:4px;position:relative}
.brand-mark:after{content:'';position:absolute;right:-4px;top:9px;width:3px;height:7px;background:var(--ink)}
.brand-mark i{display:block;width:4px;background:var(--muted)}
.brand-mark i:nth-child(2){opacity:.55}
.brand-mark i:nth-child(3){opacity:.2}
.masthead nav{display:flex;gap:28px}
.nav-link{border:0;background:none;color:var(--text);padding:8px 0;font-size:12px;letter-spacing:.08em}
.nav-link:hover,.text-button:hover,.history-actions button:hover{color:var(--warm-detail)}
.footer{min-height:86px;padding:22px clamp(24px,5vw,80px);display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:10px;letter-spacing:.1em;color:var(--text);border-top:1px solid rgba(38,58,67,.22)}
.eyebrow,.section-index,.result-overline,.quiz-top,.question-meta{font-size:10px;letter-spacing:.14em;font-weight:600}
.tiny-square{display:inline-block;width:7px;height:7px;background:var(--muted);margin-right:7px}
.hero{min-height:710px;display:grid;grid-template-columns:58% 42%;padding:clamp(30px,4vw,64px) clamp(24px,5vw,80px) 82px;gap:10px}
.hero-copy{padding-top:18px}
.eyebrow{display:flex;align-items:center;gap:5px;color:var(--text)}
.edition{margin-left:22px;color:var(--muted);font-family:Georgia,serif;font-weight:400}
.hero-kicker{font-size:14px;color:var(--text);margin:75px 0 15px}
.hero h1{font-size:clamp(52px,5.8vw,92px);letter-spacing:-.07em;line-height:1.22;margin:0 0 28px;white-space:nowrap}
.hero h1 em{font-style:normal;color:var(--accent)}
.question-mark{font-size:.65em;vertical-align:.09em}
.hero-intro{max-width:470px;color:var(--text);font-size:15px;line-height:2.1;margin-bottom:38px}
.hero-cta{display:flex;align-items:center;gap:26px}
.primary-button{border:1px solid var(--ink);background:var(--ink);color:var(--paper-light);min-width:180px;min-height:58px;padding:14px 20px;display:inline-flex;align-items:center;justify-content:space-between;gap:35px;letter-spacing:.06em;transition:background .2s,transform .2s}
.primary-button:hover:not(:disabled){background:var(--accent);border-color:var(--accent);transform:translateY(-2px)}
.primary-button span{font-size:20px;font-family:Georgia,serif;line-height:1}
.duration{color:var(--muted);font-size:11px;line-height:1.8}
.hero-art{align-self:center;min-height:500px;background:var(--panel);position:relative;margin:30px 0 0 8%;padding:24px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}
.hero-art:before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0,transparent 3px,rgba(255,255,255,.08) 4px);pointer-events:none}
.art-top,.art-bottom{display:flex;justify-content:space-between;font-family:Georgia,serif;font-size:9px;letter-spacing:.13em;color:var(--text);z-index:1}
.art-bottom{font-family:'Noto Sans SC',sans-serif}
.battery-frame{height:200px;width:82%;margin:auto;border:2px solid var(--ink);display:flex;gap:6px;padding:12px;position:relative;z-index:1}
.battery-cap{position:absolute;right:-14px;width:12px;height:50px;top:calc(50% - 25px);background:var(--ink)}
.battery-fill{flex:1;background:var(--accent-mid)}
.b2{opacity:.75}
.b3{opacity:.45}
.b4{opacity:.17}
.battery-percent{position:absolute;font:80px Georgia,serif;color:var(--ink);left:calc(50% - 21px);top:30px}
.intro-grid{background:var(--paper-light);padding:90px clamp(24px,5vw,80px) 110px;display:grid;grid-template-columns:27% 1fr;column-gap:10%;}
.section-index{color:var(--muted);text-transform:uppercase}
.intro-head h2,.map-heading h2,.report-heading h2,.result-end h2{font-size:clamp(32px,3.2vw,53px);letter-spacing:-.04em;margin:0 0 24px}
.intro-head p{max-width:470px;color:var(--text)}
.dimension-list{grid-column:2;margin-top:46px;border-top:1px solid var(--line)}
.dimension-list>div{display:grid;grid-template-columns:50px 145px 1fr;align-items:start;gap:10px;padding:20px 0;border-bottom:1px solid var(--line)}
.dimension-list span{font:14px Georgia,serif;color:var(--muted)}
.dimension-list strong{font-size:15px;font-weight:500}
.dimension-list p{font-size:13px;color:var(--text);margin:0}
.note-band{display:grid;grid-template-columns:45% 55%;background:var(--panel-strong);min-height:490px}
.note-ornament{font-family:Georgia,serif;font-size:350px;line-height:1;color:var(--panel);display:flex;align-items:center;justify-content:center;transform:rotate(-10deg)}
.note-band>div:last-child{padding:75px 12% 70px 0;max-width:620px}
.note-band .section-index{color:var(--text)}
.note-band h2{font-size:clamp(31px,3vw,48px)}
.note-band p:not(.section-index){line-height:2.1;max-width:490px}
.text-button{background:none;border:0;padding:10px 0;color:var(--ink);border-bottom:1px solid currentColor;display:inline-flex;justify-content:space-between;gap:36px;font-size:13px}
.quiz-main{max-width:1250px;margin:0 auto;padding:42px clamp(24px,5vw,70px) 110px;min-height:calc(100vh - 170px)}
.quiz-top{display:flex;justify-content:space-between;color:var(--muted);margin-bottom:15px}
.progress-track{height:3px;background:var(--line)}
.progress-track span{display:block;height:100%;background:var(--text);transition:width .25s}
.quiz-layout{display:grid;grid-template-columns:27% 1fr;gap:9%;padding-top:75px}
.quiz-aside{color:var(--muted)}
.side-number{font:clamp(130px,17vw,220px)/.85 Georgia,serif;letter-spacing:-.12em;color:var(--panel);margin-left:-10px}
.quiz-aside p{max-width:200px;color:var(--muted);font-size:12px;margin-top:40px}
.side-decoration{display:flex;gap:5px;margin-top:30px}
.side-decoration span{display:block;width:25px;height:55px;background:var(--muted)}
.side-decoration span:nth-child(2){opacity:.55}
.side-decoration span:nth-child(3){opacity:.2}
.question-meta{display:flex;justify-content:space-between;color:var(--muted);margin:5px 0 25px}
.question-section h1{font-size:clamp(28px,3.2vw,46px);line-height:1.55;min-height:145px;max-width:720px;letter-spacing:-.035em}
.answer-prompt{font-size:12px;color:var(--muted);margin:12px 0 20px}
.options{display:grid;gap:8px}
.option{width:100%;min-height:66px;text-align:left;display:grid;grid-template-columns:55px 1fr 24px;align-items:center;padding:12px 22px;background:var(--paper-light);border:1px solid transparent;color:var(--text);transition:background .18s,border .18s,transform .18s}
.option:hover{background:var(--panel);transform:translateX(3px)}
.option.selected{background:#dce7e9;border-color:var(--accent);border-left-width:4px;color:var(--ink)}
.option-index{font:12px Georgia,serif;color:var(--muted)}
.option.selected .option-index{color:var(--accent)}
.option-circle{width:16px;height:16px;border:1px solid var(--muted);border-radius:50%;display:block}
.option.selected .option-circle{border:4px solid var(--accent);background:#dce7e9}
.quiz-controls{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:35px}
.secondary-button{border:1px solid var(--muted);background:transparent;color:var(--ink);min-height:52px;padding:11px 20px;transition:background .2s}
.secondary-button:hover:not(:disabled){background:var(--panel)}
.primary-button.small{min-height:52px;min-width:145px}
.answered-count{color:var(--muted);font-size:11px}
.result-main{background:var(--paper-light)}
.result-hero{padding:42px clamp(24px,6vw,90px) 80px;background:var(--panel);position:relative}
.result-hero:after{content:'';position:absolute;right:0;bottom:0;width:26%;height:27px;background:var(--result-accent);opacity:.72}
.result-overline{display:flex;justify-content:space-between;color:var(--text);font-family:Georgia,'Noto Sans SC',sans-serif}
.result-title-row{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-top:82px}
.result-label{font-size:13px;color:var(--text);margin-bottom:13px}
.result-title-row h1{font-size:clamp(54px,6.8vw,100px);letter-spacing:-.08em;margin:0 0 12px}
.result-subtitle{font-family:'Noto Serif SC','SimSun',serif;font-size:21px;color:var(--text)}
.result-seal{width:250px;height:250px;padding:7px;background:conic-gradient(var(--accent) 0 var(--battery),var(--line) var(--battery) 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none}
.seal-inner{width:100%;height:100%;background:var(--panel);border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center}
.seal-inner span{font:72px/1 Georgia,serif;color:var(--text)}
.seal-inner i{font:26px Georgia,serif}
.seal-inner small{text-align:center;font-size:10px;line-height:1.6;color:var(--muted);margin-top:12px}
.result-context{font-size:12px;color:var(--text);max-width:530px;margin:40px 0 0}
.result-context strong{font-weight:500}
.map-section{padding:100px clamp(24px,6vw,90px) 95px;display:grid;grid-template-columns:32% 1fr;column-gap:6%}
.map-heading h2{margin-top:16px}
.map-heading>p{max-width:270px;font-size:12px;color:var(--muted);line-height:2}
.meter-list{margin-top:25px}
.meter-row{display:grid;grid-template-columns:36px 180px 1fr 35px;align-items:center;gap:12px;padding:19px 0;border-bottom:1px solid var(--line)}
.meter-row:first-child{border-top:1px solid var(--line)}
.meter-index{font:11px Georgia,serif;color:var(--muted)}
.meter-name strong{font-weight:500;font-size:14px}
.meter-name small{display:block;color:var(--muted);font-size:10px;margin-top:2px}
.meter-line{height:8px;background:var(--line)}
.meter-line span{display:block;height:100%;background:var(--result-accent);min-width:2px}
.meter-value{font:16px Georgia,serif;color:var(--text);text-align:right}
.map-footnote{grid-column:2;font-size:10px;color:var(--muted);margin:0}
.report-section-wrap{display:grid;grid-template-columns:30% 1fr;column-gap:8%;background:var(--paper-light);padding:100px clamp(24px,6vw,90px)}
.report-heading{position:relative}
.report-heading h2{margin-top:20px}
.report-heading>p:last-child{font-size:12px;color:var(--muted);max-width:240px}
.report-sections{grid-column:2;grid-row:1;background:var(--panel);border-left:8px solid var(--panel-strong);padding:36px 42px 28px}
.report-paper-label{display:flex;justify-content:space-between;gap:18px;margin:0 0 38px;color:var(--muted);font:11px Georgia,serif;letter-spacing:.14em}
.report-section{display:grid;grid-template-columns:45px 1fr;gap:18px;padding:0 0 27px;margin-bottom:25px;border-bottom:1px solid var(--line)}
.report-section:last-child{margin-bottom:0}
.report-number{font:13px Georgia,serif;color:var(--muted);padding-top:7px}
.report-section h3{font-size:21px;margin:0 0 12px}
.report-section p{font-size:14px;color:var(--text);margin:0;line-height:2.05}
.personal-notes{grid-column:2;background:var(--panel);padding:32px 38px;margin-top:28px}
.personal-notes p{font-size:13px;color:var(--text);line-height:2.05;margin:18px 0 0}
.result-end{background:var(--panel-strong);padding:80px clamp(24px,6vw,90px);display:flex;align-items:end;justify-content:space-between;gap:35px}
.result-end .section-index{color:var(--text)}
.result-end h2{font-size:clamp(28px,3vw,44px);margin:20px 0 0}
.end-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:min(100%,510px);height:56px;border:1px solid var(--ink);flex:none}
.end-actions button{display:flex;align-items:center;justify-content:center;min-width:0;min-height:0;height:100%;padding:10px 12px;border:0;border-right:1px solid var(--ink);border-radius:0;background:var(--paper-light);color:var(--ink);font-size:13px;letter-spacing:.04em;white-space:nowrap;transform:none}
.end-actions button:last-child{border-right:0}
.end-actions .primary-button{background:var(--ink);color:var(--paper-light)}
.end-actions .primary-button:hover:not(:disabled){background:var(--accent);transform:none}
.end-actions .secondary-button:hover:not(:disabled),.end-actions .text-button:hover{background:var(--panel);color:var(--ink)}
.history-main{min-height:calc(100vh - 170px);padding:100px clamp(24px,6vw,90px)}
.history-heading h1{font-size:clamp(42px,5vw,70px);margin:16px 0 20px}
.history-heading>p:last-child{font-size:13px;color:var(--text);max-width:500px}
.history-list{margin-top:65px;border-top:1px solid var(--line)}
.history-entry{display:grid;grid-template-columns:90px 1fr auto;gap:20px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line)}
.history-no{font:35px Georgia,serif;color:var(--muted)}
.history-entry small{font-size:11px;color:var(--muted)}
.history-entry h2{font-size:27px;margin:4px 0}
.history-entry p{font-size:12px;margin:0;color:var(--muted)}
.history-actions{display:flex;gap:18px}
.history-actions button{border:0;background:none;color:var(--ink);font-size:12px}
.history-actions .delete-link{color:var(--warm-detail)}
.empty-history{text-align:center;padding:70px 20px 100px}
.empty-history span{font:90px Georgia,serif;color:var(--muted)}
.empty-history h2{font-size:30px}
.empty-history p{font-size:13px;color:var(--muted)}
.empty-history .primary-button{margin-top:20px}
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:12px 20px;font-size:12px;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;z-index:10;white-space:nowrap}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media(max-width:900px){.hero{grid-template-columns:1fr;min-height:0;padding-bottom:65px}
.hero h1{font-size:clamp(48px,8vw,75px)}
.hero-art{min-height:340px;margin:20px 0 0;width:100%}
.battery-frame{height:150px;width:70%}
.battery-percent{font-size:65px;top:20px}
.intro-grid{grid-template-columns:1fr}
.intro-head{margin-top:22px}
.dimension-list{grid-column:1}
.note-band{grid-template-columns:32% 68%}
.note-ornament{font-size:240px}
.quiz-layout{grid-template-columns:1fr;padding-top:35px}
.quiz-aside{display:none}
.question-section h1{min-height:0}
.map-section{grid-template-columns:1fr}
.map-heading{display:flex;align-items:end;justify-content:space-between;gap:25px}
.map-heading>p{margin:0 0 20px}
.map-footnote{grid-column:1}
.report-section-wrap{grid-template-columns:1fr}
.report-heading{margin-bottom:40px}
.report-sections,.personal-notes{grid-column:1;grid-row:auto}
.result-end{align-items:start;flex-direction:column}
.end-actions{width:min(100%,510px)}
}

@media(max-width:600px){.masthead{height:70px;padding:0 20px}
.wordmark{font-size:14px;gap:9px}
.wordmark small{font-size:6.5px}
.brand-mark{width:23px;height:23px}
.masthead nav{gap:13px}
.nav-link{font-size:10px}
.footer{padding:24px 20px;align-items:flex-start;flex-direction:column;gap:4px;font-size:9px}
.hero{padding:24px 20px 56px}
.eyebrow{font-size:9px;flex-wrap:wrap}
.edition{margin-left:0;width:100%;padding-left:13px}
.hero-kicker{margin:60px 0 17px;font-size:12px}
.hero h1{font-size:clamp(46px,11.5vw,62px);line-height:1.33;margin-bottom:22px}
.hero-intro{font-size:13px;line-height:2}
.hero-cta{align-items:flex-start;flex-direction:column;gap:14px}
.duration{font-size:10px}
.hero-art{min-height:300px;padding:20px;margin-top:36px}
.battery-frame{height:125px;width:80%;padding:8px;gap:4px}
.battery-percent{font-size:56px;top:17px}
.intro-grid{padding:65px 20px 75px}
.intro-head h2{font-size:34px}
.intro-head p{font-size:13px}
.dimension-list{margin-top:25px}
.dimension-list>div{grid-template-columns:35px 1fr;gap:2px 12px}
.dimension-list p{grid-column:2;font-size:12px}
.note-band{display:block;padding:70px 20px}
.note-ornament{display:none}
.note-band>div:last-child{padding:0}
.note-band h2{font-size:32px}
.note-band p:not(.section-index){font-size:13px}
.quiz-page .masthead{height:58px}
.quiz-page .footer{display:none}
.quiz-page .quiz-main{padding:16px 20px calc(86px + env(safe-area-inset-bottom, 0px));min-height:calc(100vh - 58px);min-height:calc(100dvh - 58px)}
.quiz-page .quiz-top{margin-bottom:8px}
.quiz-page .quiz-layout{padding-top:18px}
.quiz-page .question-meta{font-size:9px;margin:0 0 10px}
.quiz-page .question-section h1{font-size:clamp(22px,5.9vw,26px);line-height:1.4;min-height:0;margin-bottom:0}
.quiz-page .answer-prompt{font-size:11px;line-height:1.5;margin:10px 0 10px}
.quiz-page .options{gap:6px}
.quiz-page .option{min-height:48px;padding:6px 14px;grid-template-columns:40px 1fr 18px;font-size:13px}
.quiz-page .quiz-controls{position:fixed;z-index:20;left:0;right:0;bottom:0;display:flex;gap:12px;margin:0;padding:10px max(20px,env(safe-area-inset-right, 0px)) calc(10px + env(safe-area-inset-bottom, 0px)) max(20px,env(safe-area-inset-left, 0px));background:var(--paper);border-top:1px solid var(--line)}
.quiz-page .quiz-controls .secondary-button,.quiz-page .quiz-controls .primary-button.small{flex:1;min-width:0;min-height:46px;padding:8px 13px;justify-content:center}
.quiz-page .answered-count{display:none}
.result-hero{padding:28px 20px 65px}
.result-overline{font-size:8px;gap:15px}
.result-title-row{margin-top:72px;align-items:flex-start}
.result-label{font-size:11px}
.result-title-row h1{font-size:clamp(42px,11vw,62px);white-space:nowrap}
.result-subtitle{font-size:15px;max-width:250px}
.result-seal{width:96px;height:96px;margin-top:18px;padding:5px}
.seal-inner span{font-size:30px}
.seal-inner i{font-size:12px}
.seal-inner small{display:none}
.result-context{font-size:11px;margin-top:45px}
.map-section{padding:70px 20px}
.map-heading{display:block}
.map-heading h2{font-size:34px}
.map-heading>p{font-size:11px;max-width:100%;margin:0}
.meter-list{margin-top:28px}
.meter-row{grid-template-columns:24px 1fr 40px;gap:8px 9px;padding:15px 0}
.meter-name{grid-column:2}
.meter-line{grid-column:2;height:7px}
.meter-value{grid-column:3;grid-row:2}
.meter-name small{font-size:10px}
.map-footnote{font-size:9px;margin-top:10px}
.report-section-wrap{padding:70px 20px}
.report-sections{padding:26px 22px 18px;border-left-width:5px}
.report-paper-label{font-size:9px;margin-bottom:30px}
.report-heading{margin-bottom:26px}
.report-heading h2{font-size:36px}
.report-section{grid-template-columns:28px 1fr;gap:12px;padding-bottom:22px;margin-bottom:24px}
.report-section h3{font-size:19px}
.report-section p{font-size:13px;line-height:2}
.personal-notes{padding:25px 23px}
.personal-notes p{font-size:12px}
.result-end{padding:65px 20px}
.result-end h2{font-size:30px}
.end-actions{width:100%;height:54px}
.end-actions button{font-size:12px;padding:8px 5px}
.history-main{padding:70px 20px}
.history-heading h1{font-size:43px}
.history-entry{grid-template-columns:44px 1fr;gap:10px}
.history-no{font-size:24px}
.history-entry h2{font-size:22px}
.history-actions{grid-column:2}
.toast{max-width:calc(100vw - 30px);white-space:normal;text-align:center}
}