/* 星海图鉴：深海蓝观测台、暖金标记与奶油纸标本签。 */
:root{color-scheme:dark;--ink:#0e2029;--deep:#10232b;--surface:#173039;--line:#d7e5db22;--gold:#e6c88b;--gold-dark:#b78c45;--paper:#f1ecdb;--white:#f4f3e8;--muted:#acbdbb;--serif:"Iowan Old Style","Palatino Linotype","Book Antiqua","Songti SC","STSong",serif;--sans:"Avenir Next","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--mono:"SFMono-Regular",Consolas,monospace;font-family:var(--sans);background:var(--deep);color:var(--white);font-synthesis:none;text-rendering:optimizeLegibility}
*{box-sizing:border-box}body{margin:0;min-width:280px}button,input,textarea{font:inherit}button,a,input,summary,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:5px}input:focus-visible,textarea:focus-visible{outline:2px solid var(--gold);outline-offset:3px}[hidden]{display:none!important}h1,h2,h3,p{margin:0}button{border:0}img{display:block;max-width:100%}ol,ul{padding:0;list-style:none;margin:0}.observatory{width:min(100%,1120px);margin:0 auto;overflow-wrap:anywhere}.masthead{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 38px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;min-width:0}.brand-symbol{font-size:38px;color:var(--gold);line-height:1}.brand-type{display:flex;flex-direction:column;gap:6px}.brand-type strong{font:500 24px/1.1 var(--serif);letter-spacing:.01em}.brand-type>span{font:9px/1.2 var(--mono);letter-spacing:.14em;color:var(--muted)}.masthead-actions{display:flex;align-items:center;gap:9px;flex-shrink:0}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:14px 22px;font-size:14px;font-weight:600;border-radius:3px;text-align:center;line-height:1.4;transition:background .15s,transform .15s;background:transparent;color:var(--white)}.button:hover{transform:translateY(-1px)}.button-gold{background:var(--gold);color:var(--ink);box-shadow:0 3px 0 #0002}.button-gold:hover{background:#f2dba8}.button-outline{border:1px solid #c7d4cb55;background:#10232b66}.button-outline:hover{background:#28434a}.button-text{font-weight:400;color:var(--muted);text-decoration:underline;text-underline-offset:5px}.button-nav{font-size:12px;font-weight:400;padding:10px;min-height:44px;color:var(--muted)}.button-language{font:12px/1 var(--mono);border:1px solid var(--line);min-width:48px;min-height:44px;padding:10px}.button-language:hover{background:var(--surface)}.button-resume{color:var(--gold);border-bottom:1px solid #e6c88b55;border-radius:0;padding:10px 0;min-height:44px;flex-basis:100%;justify-content:flex-start;width:max-content}.eyebrow{font:10px/1.5 var(--mono);letter-spacing:.13em;color:var(--gold);font-weight:500}.display-title{font:400 clamp(42px,5.7vw,68px)/1.09 var(--serif);letter-spacing:-.035em;white-space:pre-line;text-wrap:balance}.hero-intro{font-size:15px;line-height:1.85;color:#cbd4ce;max-width:380px}.landing-hero{position:relative;isolation:isolate;min-height:430px;overflow:hidden}.hero-art,.hero-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.hero-art{object-position:center 55%}.hero-shade{z-index:-1;background:linear-gradient(90deg,#0c2027f2 0%,#0d2229d9 32%,#0e232d40 62%,#10232b05 100%),linear-gradient(0deg,#10232ba8,transparent 35%)}.hero-copy{position:relative;padding:42px 38px 65px;max-width:64%;animation:arrive .65s ease-out}.hero-copy>.eyebrow{margin-bottom:19px}.hero-copy>.hero-intro{margin-top:19px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}.hero-actions .button{font-size:13px;padding:13px 18px}.hero-caption{position:absolute;inset:auto 38px 18px;display:flex;justify-content:space-between;gap:10px;color:#c9d2cc99;font:8px/1.5 var(--mono);letter-spacing:.15em}.stats-strip{margin:0 38px;display:grid;grid-template-columns:1.25fr 1fr 1fr;padding:25px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:25px}.stat{display:flex;flex-direction:column;gap:8px}.stat+.stat{padding-left:26px;border-left:1px solid var(--line)}.stat .eyebrow{font-size:9px;color:var(--muted)}.stat-value{font:400 24px/1.1 var(--serif);font-variant-numeric:tabular-nums}.field-guide{padding:32px 38px 22px}.section-heading{display:flex;align-items:center;gap:10px;margin-bottom:24px}.section-heading h2{font:400 25px/1.4 var(--serif)}.section-mark{font-size:27px;color:var(--gold)}.rules-list{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.rule{display:flex;align-items:flex-start;gap:12px}.rule-number{font:10px/2 var(--mono);color:var(--gold)}.rule-copy h3{font-size:13px;font-weight:600;margin-bottom:8px}.rule-copy p{font-size:12px;line-height:1.8;color:var(--muted)}.field-notes{margin:25px 0 0;padding-top:19px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:9px 24px}.field-notes p{font-size:10px;line-height:1.8;color:#91a8a8}.field-notes p:first-child{color:#c4ccb9}.field-notes .active-note{grid-column:1/-1;color:var(--gold)}.colophon{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);margin:0 38px;padding:17px 0 20px;font:9px/1.5 var(--mono);color:#899fa0;letter-spacing:.12em}.colophon>span:last-child{color:var(--gold)}.storage-warning{margin:15px 38px;padding:12px 15px;border:1px solid #e6c88b80;background:#e6c88b13;font-size:12px;line-height:1.7;color:#f3d7a0}.run-view{padding:30px 38px 38px}.expedition-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:23px}.mode-label{display:block;margin-top:6px;font-size:12px;color:var(--muted)}.total-score{text-align:right;display:grid;grid-template-columns:auto auto;align-items:baseline;gap:2px 7px;flex-shrink:0}.total-score>.eyebrow{grid-column:1/-1;color:var(--muted);font-size:9px}.total-score strong{font:400 34px/1.2 var(--serif);font-variant-numeric:tabular-nums}.total-score>span:last-child{font:10px var(--mono);color:var(--muted)}.question-progress{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:19px;gap:12px;margin-bottom:27px}.question-progress li{display:flex;align-items:center;gap:8px;font:11px/1 var(--mono);color:#698589}.question-progress li::before{content:"";display:block;width:6px;height:6px;border:1px solid #698589;border-radius:50%}.question-progress .current{color:var(--gold)}.question-progress .current::before{border-color:var(--gold);box-shadow:0 0 0 4px #e6c88b12}.question-progress .found{color:#b8c8bd}.question-progress .found::before{border-color:#e6c88b;background:var(--gold)}.question-progress .passed{color:#8d9f9e}.question-progress .passed::before{background:#6c8384}.question-stage{padding:24px 27px 0;background:linear-gradient(130deg,#1a343c,#10282f);border:1px solid #cedecc25;position:relative;overflow:hidden}.question-topline{display:flex;align-items:center;justify-content:space-between;gap:18px}.timer{display:flex;align-items:center;gap:10px;text-align:right;flex-shrink:0}.timer strong{font:400 39px/1 var(--serif);font-variant-numeric:tabular-nums;color:var(--gold)}.timer span{font:8px/1.4 var(--mono);letter-spacing:.08em;max-width:60px;color:var(--muted)}.question-layout{display:grid;grid-template-columns:1fr 190px;gap:10px;align-items:center}.question-copy{min-width:0;padding:28px 0 25px}.question-title{font:400 clamp(27px,3.5vw,40px)/1.3 var(--serif);letter-spacing:-.02em;max-width:600px;text-wrap:pretty}.answer-form{margin-top:28px}.answer-label{display:block;font:10px/1.5 var(--mono);letter-spacing:.08em;color:var(--paper);margin-bottom:10px}.answer-input{min-height:56px;width:100%;border:1px solid #d3e1cd5c;border-radius:3px;background:#0d232b;color:var(--white);padding:14px 16px;font-size:17px}.answer-input::placeholder{color:#829b9b;font-size:14px}.input-hint{font-size:10px;line-height:1.7;color:#98afb0;margin-top:9px}.answer-feedback{font-size:12px;line-height:1.65;color:#edd19b;min-height:20px;margin-top:8px}.answer-controls{display:flex;flex-wrap:wrap;align-items:center;gap:5px 16px;margin-top:10px}.probe-figure{position:relative;min-height:240px;display:flex;align-items:center;justify-content:center;isolation:isolate}.probe-orbit{position:absolute;inset:25px 0;border:1px solid #e6c88b27;border-radius:50%;transform:rotate(-25deg);z-index:-1}.probe-orbit::before,.probe-orbit::after{content:"";position:absolute;border:1px solid #e6c88b13;border-radius:50%;inset:10px -15px;transform:rotate(45deg)}.probe-orbit::after{inset:30px -30px;transform:rotate(80deg)}.probe-art{max-height:210px;object-fit:contain;filter:drop-shadow(0 12px 20px #0006);animation:float 8s ease-in-out infinite}.probe-label{position:absolute;bottom:8px;font:8px/1.5 var(--mono);letter-spacing:.16em;color:#9eafa5}.timer-rail{height:3px;background:#78908a26;margin:0 -27px}.timer-fill{height:100%;width:100%;background:var(--gold);transition:width .25s linear}.reveal-stage{animation:arrive .4s ease-out}.reveal-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:16px 0 23px}.reveal-title{font:400 clamp(30px,4vw,45px)/1.2 var(--serif);margin-top:13px}.reveal-note{font-size:13px;color:var(--muted);line-height:1.75;margin-top:10px}.award{text-align:center;color:var(--gold);padding:20px;border:1px solid #e6c88b55;border-radius:50%;min-width:105px;min-height:105px;display:flex;flex-direction:column;justify-content:center;flex-shrink:0}.award strong{font:400 40px/1 var(--serif)}.award>span{font:10px/1.5 var(--mono);margin-top:5px}.revealed-question{font:400 20px/1.5 var(--serif);border-top:1px solid var(--line);padding:20px 0}.collection>.eyebrow{font-size:10px}.collection-note{font-size:11px;color:var(--muted);line-height:1.8;margin:8px 0 17px;max-width:650px}.answer-pool{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.specimen{background:var(--paper);color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 13px;border-radius:2px;border-left:3px solid transparent;min-height:46px}.specimen.selected{background:var(--gold);border-left-color:var(--gold-dark)}.specimen-name{font-size:12px;line-height:1.5;font-weight:500}.specimen-points{font:10px/1.4 var(--mono);white-space:nowrap;flex-shrink:0;color:#526163}.reference-link{display:inline-flex;align-items:center;min-height:44px;gap:5px;font-size:11px;color:#b9c8bf;text-underline-offset:4px;margin-top:5px;max-width:100%;word-break:break-word}.button-next{display:flex;margin:19px 0 0 auto}.result-stage{animation:arrive .5s ease-out}.result-intro{display:grid;grid-template-columns:1fr 170px;gap:24px;align-items:center}.result-intro .display-title{font-size:clamp(37px,4.5vw,55px);margin-top:19px}.result-intro .hero-intro{margin-top:16px;max-width:500px;font-size:14px}.result-seal{aspect-ratio:1;border:1px solid #e6c88b80;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;outline:1px solid #e6c88b22;outline-offset:7px;color:var(--gold);background:#e6c88b08}.seal-star{font-size:24px;line-height:1.3}.result-seal strong{font:400 58px/1.1 var(--serif)}.result-seal>span:last-child{font:10px/1.6 var(--mono);letter-spacing:.12em}.result-lock{padding:15px 0;font-size:12px;line-height:1.75;color:var(--muted);margin-top:20px;border-bottom:1px solid var(--line)}.result-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 30px}.recap-heading{margin-bottom:8px}.recap-row{display:grid;grid-template-columns:25px 1fr 55px;gap:15px;border-bottom:1px solid var(--line);padding:21px 0}.recap-number{font:11px/2 var(--mono);color:var(--gold)}.recap-copy{min-width:0}.recap-copy h3{font:400 20px/1.4 var(--serif);margin-top:8px}.recap-answer{font-size:12px;line-height:1.75;color:var(--muted);margin-top:8px}.recap-points{text-align:right;color:var(--gold);font:400 24px/1.5 var(--serif)}.recap-details{margin-top:6px}.recap-details summary{width:fit-content;cursor:pointer;min-height:44px;display:flex;align-items:center;color:var(--paper);font-size:11px;text-decoration:underline;text-underline-offset:4px}.recap-details .collection{padding-bottom:10px}.recap-details .answer-pool{grid-template-columns:repeat(2,minmax(0,1fr))}.copy-warning{font-size:12px;line-height:1.7;color:var(--gold);margin-bottom:10px}.share-output{display:block;width:100%;min-height:195px;border:1px solid var(--line);background:var(--ink);color:var(--paper);padding:15px;font:12px/1.7 var(--mono);resize:vertical;margin-bottom:20px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.no-script{margin:30px;font-size:16px;line-height:1.8}@keyframes arrive{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,100%{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-9px) rotate(1deg)}}
@media(min-width:1200px){.observatory{border-inline:1px solid var(--line)}}
@media(max-width:760px){.masthead{padding:19px 25px}.hero-copy{padding:35px 25px 65px;max-width:72%}.display-title{font-size:49px}.hero-actions{flex-direction:column;align-items:flex-start}.hero-actions .button{width:max-content;max-width:100%}.hero-caption{inset:auto 25px 18px}.stats-strip{margin-inline:25px;gap:15px}.stat+.stat{padding-left:17px}.field-guide{padding:27px 25px 22px}.rules-list{gap:19px}.rule{display:block}.rule-number{display:block;margin-bottom:7px}.field-notes{grid-template-columns:1fr}.colophon{margin-inline:25px}.run-view{padding:25px}.question-layout{grid-template-columns:1fr 120px}.probe-figure{min-height:190px}.probe-art{max-height:150px}.answer-pool{grid-template-columns:repeat(2,minmax(0,1fr))}.storage-warning{margin-inline:25px}.result-intro{grid-template-columns:1fr 140px}.result-intro .display-title{font-size:43px}.result-seal strong{font-size:48px}}
@media(max-width:520px){.masthead{padding:16px 20px;gap:10px}.brand{gap:8px}.brand-symbol{font-size:32px}.brand-type strong{font-size:22px}.brand-type>span{font-size:7px;letter-spacing:.07em}.masthead-actions{gap:4px}.button-nav{padding-inline:6px;font-size:11px}.button-language{min-width:44px}.landing-hero{min-height:510px}.hero-copy{padding:37px 23px 62px;max-width:none;min-height:510px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.hero-art{object-position:68% center;opacity:.7}.hero-shade{background:linear-gradient(90deg,#10232bf2,#10232b8a 75%,#10232b55),linear-gradient(0deg,#10232b,transparent 50%)}.hero-copy>.eyebrow{font-size:9px;margin-bottom:20px}.display-title{font-size:46px;line-height:1.18;letter-spacing:-.04em}.hero-intro{font-size:14px;max-width:290px}.hero-actions{margin-top:24px;width:100%;gap:10px}.hero-actions .button{width:100%;min-height:48px}.hero-caption{inset:auto 23px 16px;font-size:7px;letter-spacing:.07em}.hero-caption span:last-child{text-align:right}.stats-strip{margin:0 23px;gap:11px;grid-template-columns:1.35fr 1fr 1fr;padding:22px 0}.stat{gap:9px}.stat .eyebrow{font-size:7px;letter-spacing:.06em}.stat-value{font-size:21px}.stat:first-child .stat-value{font-size:17px;letter-spacing:-.04em}.stat+.stat{padding-left:13px}.field-guide{padding:26px 23px 20px}.section-heading{margin-bottom:20px}.section-heading h2{font-size:24px}.rules-list{grid-template-columns:1fr;gap:20px}.rule{display:flex;gap:14px}.rule-number{margin:0;font-size:10px}.rule-copy h3{font-size:14px;margin-bottom:6px}.rule-copy p{font-size:12px}.field-notes{margin-top:23px;gap:10px}.field-notes p{font-size:10px}.colophon{margin-inline:23px;padding:15px 0;font-size:8px;letter-spacing:.06em}.storage-warning{margin:13px 20px}.run-view{padding:23px 20px 28px}.expedition-heading{gap:10px}.expedition-heading>.eyebrow{font-size:8px}.mode-label{font-size:10px}.total-score strong{font-size:30px}.total-score>.eyebrow{font-size:8px}.question-progress{gap:7px;padding-bottom:17px;margin-bottom:21px}.question-progress li{font-size:10px;gap:5px}.question-progress li::before{width:5px;height:5px}.question-stage{padding:18px 18px 0}.question-topline>.eyebrow{font-size:9px;letter-spacing:.05em}.timer{gap:6px}.timer strong{font-size:35px}.timer span{font-size:7px;max-width:43px}.question-layout{grid-template-columns:1fr}.question-copy{padding-top:26px;position:relative;z-index:1}.question-title{font-size:29px;line-height:1.35}.probe-figure{display:none}.answer-form{margin-top:25px}.answer-input{font-size:16px;padding:13px;min-height:56px}.answer-input::placeholder{font-size:12px}.input-hint{font-size:9px}.answer-controls{display:grid;grid-template-columns:1fr;gap:3px;margin-top:13px}.answer-controls .button{width:100%}.timer-rail{margin-inline:-18px}.reveal-heading{gap:12px;align-items:flex-start;padding-top:6px}.reveal-title{font-size:30px}.reveal-note{font-size:12px}.award{padding:12px;min-width:79px;min-height:79px;margin-top:12px}.award strong{font-size:31px}.award>span{font-size:9px}.revealed-question{font-size:20px}.answer-pool{gap:7px}.specimen{padding:10px 10px;gap:7px;align-items:flex-start;flex-direction:column;min-height:64px}.specimen-name{font-size:12px}.specimen-points{font-size:9px}.collection-note{font-size:10px}.button-next{width:100%;margin-top:20px}.reference-link{font-size:10px}.result-intro{grid-template-columns:1fr 88px;gap:18px;align-items:start}.result-intro .display-title{font-size:33px;margin-top:13px}.result-intro .hero-intro{font-size:12px;margin-top:12px;line-height:1.8}.result-seal{margin-top:30px;outline-offset:5px}.seal-star{font-size:17px}.result-seal strong{font-size:34px}.result-seal>span:last-child{font-size:8px}.result-actions{gap:10px;flex-direction:column}.result-actions .button{width:100%}.result-lock{font-size:11px}.recap-row{grid-template-columns:20px 1fr 35px;gap:9px;padding:19px 0}.recap-copy h3{font-size:18px}.recap-copy>.eyebrow{font-size:8px}.recap-answer{font-size:11px}.recap-points{font-size:21px}.recap-details .answer-pool{grid-template-columns:1fr}.recap-details .specimen{flex-direction:row;align-items:center;min-height:44px}.recap-number{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* 窄屏中文遵循既定两行分句，避免末字孤行；英文与桌面字号保持原样。 */
@media(max-width:520px){html:lang(zh) .landing-hero .display-title{font-size:32px;line-height:1.4;letter-spacing:-.035em}}
/* 手机图鉴编号固定宽度，避免窄栏把两位数挤成两行。 */
@media(max-width:520px){.rule-number{flex:0 0 24px;white-space:nowrap}}
/* 四位积分标记预留独立列，禁止正号与末位数字拆行。 */
.recap-row{grid-template-columns:25px minmax(0,1fr) 64px}.recap-points{white-space:nowrap}
@media(max-width:520px){.recap-row{grid-template-columns:20px minmax(0,1fr) 50px}}

/* 题图使用主题插画，既帮助进入题境，也避免直接泄露收录答案。 */
.question-art { width:100%; max-width:330px; aspect-ratio:3/2; object-fit:cover; align-self:center; border:1px solid #d9bd7733; border-radius:4px; }
.worked-example { margin-top:24px; padding:20px 24px; background:#e6c8840b; border-inline-start:2px solid var(--gold); }
.worked-example h3 { color:var(--gold); font-size:14px; margin:0 0 10px; }
.worked-example p { font-size:14px; line-height:1.85; }
select.button-language { max-width:160px; text-align:start; color-scheme:dark; padding-inline:12px 28px; }
[dir="rtl"] .question-copy, [dir="rtl"] .recap-copy, [dir="rtl"] .rule-copy { text-align:right; }
[dir="rtl"] .button-next { margin-inline-start:auto; margin-inline-end:0; }
@media(max-width:640px) {
 .question-layout { display:flex; flex-direction:column; gap:20px; }
 .question-copy { width:100%; }
 .question-art { order:-1; max-width:none; height:auto; aspect-ratio:3/2; object-fit:contain; object-position:center; }
 select.button-language { max-width:135px; font-size:12px; }
 .worked-example { padding:16px; }
}
/* 右到左正文所在一侧加深遮罩，保持阿语在复杂插画上的可读性。 */
[dir="rtl"] .hero-shade { background:linear-gradient(270deg,#0c2027f2 0%,#0d2229d9 32%,#0e232d40 62%,#10232b05 100%),linear-gradient(0deg,#10232ba8,transparent 35%); }
.rule-number { flex:0 0 24px; white-space:nowrap; }
[dir="rtl"] .stat+.stat { padding-left:0; padding-right:26px; border-left:0; border-right:1px solid var(--line); }
@media(max-width:520px) {
 [dir="rtl"] .hero-shade { background:linear-gradient(270deg,#10232bf2,#10232b8a 75%,#10232b55),linear-gradient(0deg,#10232b,transparent 50%); }
 [dir="rtl"] .stat+.stat { padding-right:13px; }
}