.appbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:14px;background:#0b1724;color:#fff;padding:10px 16px;padding-top:max(10px,env(safe-area-inset-top));font:600 15px Manrope,system-ui,sans-serif}
.ab-home{color:#e2b04a;text-decoration:none;font-weight:700}.ab-t{flex:1;text-align:center;font-family:Newsreader,Georgia,serif;font-size:18px}.ab-t b{color:#e2b04a;font-weight:500}.ab-net{font-size:12px;color:#9fb0c1;min-width:70px;text-align:right}
.appfoot{text-align:center;font-size:13px;color:#5d6b74;padding:26px 16px 40px;background:#faf8f3}.appfoot a{color:#0e2235}
*,*:before,*:after{box-sizing:border-box}body.app{margin:0;line-height:1.5;background:#faf8f3;font-family:Manrope,system-ui,sans-serif;-webkit-text-size-adjust:100%}img{max-width:100%}
.tbb{--ink:#14202e;--navy:#0e2235;--amber:#c98a12;--amb2:#f3e6c8;--paper:#faf8f3;--line:#e4ddcf;--go:#1f7a4d;--stop:#b3261e;--mut:#5d6b74;background:var(--paper);color:var(--ink);font-family:Manrope,system-ui,sans-serif}
.tbb .wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.tbb h1,.tbb h2,.tbb h3{font-family:Newsreader,Georgia,serif;font-weight:500;letter-spacing:-.01em}
.ed-bar{background:var(--amb2);font-size:14px;padding:9px 0;border-bottom:1px solid var(--line)}.ed-bar a{color:var(--navy);font-weight:600}
.hero{background:var(--navy);color:#fff;padding:56px 0 48px}
.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.tbb .eyebrow{color:#e2b04a;font-size:13px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;margin:0 0 10px}
.hero h1{font-size:clamp(40px,6vw,64px);margin:0;line-height:1.02;color:#fff}
.tbb .tagline{font-family:Newsreader,serif;font-style:italic;font-size:22px;color:#cfd8e2;margin:8px 0 22px}
.q{border-left:3px solid #e2b04a;padding:6px 0 6px 16px;margin-bottom:26px}.q span{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#9fb0c1}.q b{font-family:Newsreader,serif;font-size:26px;font-weight:500}
.modes{display:flex;gap:12px;flex-wrap:wrap}
.btn-bench{background:#e2b04a;color:#14202e;border:0;border-radius:999px;padding:15px 26px;font:700 17px Manrope,sans-serif;cursor:pointer}
.btn-ghost{border:1.5px solid #9fb0c1;color:#fff;border-radius:999px;padding:13px 22px;font-weight:600;text-decoration:none}
.hint{color:#9fb0c1;font-size:14px;margin-top:14px}
.hero-fig{margin:0;background:#fff;border-radius:18px;overflow:hidden}.hero-fig img{display:block;width:100%}.hero-fig figcaption{color:#41505c;font-size:13px;padding:10px 14px}
.toc{position:sticky;top:46px;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.toc-in{display:flex;gap:4px;overflow-x:auto;padding:8px 22px;scrollbar-width:none}
.toc a{white-space:nowrap;text-decoration:none;color:var(--ink);font-size:14px;font-weight:600;padding:8px 12px;border-radius:10px}.toc a:hover{background:var(--amb2)}
.toc a span{color:var(--amber);margin-right:6px;font-variant-numeric:tabular-nums}
.block{padding:40px 0 8px}.h{font-size:32px;margin:0 0 14px}.h .no,.no{color:var(--amber);font-family:Manrope;font-size:15px;font-weight:700;margin-right:8px;letter-spacing:.06em}
.h.sec{margin-top:40px;font-size:36px}.h3{font-size:22px;margin:26px 0 10px}
.lede{color:var(--mut);font-size:17px;max-width:760px}
.facts{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:0 0 30px}
.facts div{background:#fff;padding:14px 16px}.facts dt{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);font-weight:700}.facts dd{margin:4px 0 0;font-size:14px}
.two{display:grid;grid-template-columns:1.2fr 1fr;gap:28px}
.ticks{list-style:none;padding:0;margin:0}.ticks li{padding:9px 0 9px 30px;position:relative;border-bottom:1px dashed var(--line)}.ticks li:before{content:"";position:absolute;left:2px;top:13px;width:14px;height:14px;border:2px solid var(--amber);border-radius:4px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:12px}.card b{font-size:13px;letter-spacing:.08em;text-transform:uppercase}.card p{margin:6px 0 0}
.card.end{border-left:4px solid var(--go)}.card.notp{border-left:4px solid var(--stop)}.card.before{border-left:4px solid var(--amber);margin-top:18px}
.chain{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.chain i{color:var(--amber);font-style:normal;font-weight:700}
.lm{border:1.5px solid var(--navy);background:#fff;color:var(--navy);border-radius:999px;padding:7px 14px;font:600 14px Manrope,sans-serif;cursor:pointer}.lm:hover,.lm.on{background:var(--navy);color:#fff}
.ctg{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ctq{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-size:15px}
.ctq input[type=checkbox]{width:20px;height:20px;accent-color:var(--amber);margin-top:2px}.ctq input[type=text]{grid-column:2;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit}
.station{background:#fff;border:1px solid var(--line);border-radius:20px;margin:26px 0;overflow:hidden;scroll-margin-top:110px}
.st-head{background:var(--navy);color:#fff;display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px;padding:16px 22px}
.st-n{background:#e2b04a;color:#14202e;font-weight:800;font-size:12px;letter-spacing:.12em;padding:5px 10px;border-radius:6px}
.st-head h3{font-size:28px;margin:0;color:#fff;flex:1}.st-meta{font-size:13px;color:#cfd8e2}.st-meta b{color:#e2b04a;font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin:0 4px 0 10px}
.st-chain{display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:12px 22px;border-bottom:1px solid var(--line);background:#fbf9f4}.st-chain span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);font-weight:700;margin-right:6px}.st-chain .lm{font-size:13px;padding:5px 11px}
.st-body{display:grid;grid-template-columns:1.15fr 1fr;gap:26px;padding:22px}
.st-figs{display:grid;gap:14px;align-content:start}
.st-figs figure{margin:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#f6f4ef}
.st-figs .ph{display:grid;grid-template-columns:42% 1fr;align-items:center}.st-figs .ph img{aspect-ratio:4/3;object-fit:contain;height:100%;background:#fff}
.zoom{display:block;border:0;padding:0;background:none;cursor:zoom-in;width:100%}.zoom img{display:block;width:100%}
figcaption{font-size:13px;color:#3d4b55;padding:10px 12px;line-height:1.45}figcaption small{display:block;color:#8a949a;font-size:11px;margin-top:4px}
.tb-steps{counter-reset:s;list-style:none;padding:0;margin:0}.tb-steps li{counter-increment:s;position:relative;padding:0 0 14px 44px;font-size:16.5px;line-height:1.55}
.tb-steps li:before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;display:grid;place-items:center;font-size:14px}
.gs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:6px 0 14px}.go,.stop{border-radius:12px;padding:12px 14px;font-size:14.5px}.go{background:#e8f4ec;border:1px solid #bfe0cb}.go b{color:var(--go)}.stop{background:#fbeceb;border:1px solid #f1c6c2}.stop b{color:var(--stop)}.go p,.stop p{margin:4px 0 0}
.note{background:var(--amb2);border-radius:12px;padding:12px 14px;margin-bottom:14px;font-size:14.5px}.note p{margin:4px 0 0}
.clip{background:#0f1720;border-radius:14px;padding:12px;color:#cfd8e2}.clip .k{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#e2b04a;font-weight:700}.clip video{width:100%;border-radius:10px;margin:8px 0;display:block;background:#000}.clip small{font-size:12px}.clip a{color:#e2b04a}
.done{display:flex;gap:10px;align-items:center;margin-top:14px;font-weight:700}.done input{width:22px;height:22px;accent-color:var(--go)}
.station.isdone .st-head{background:#1f4d3a}
.prose{max-width:820px;font-size:16.5px;line-height:1.6}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.three span{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;font-size:14.5px}.three b{display:block;color:var(--amber)}
.tbl{overflow-x:auto}table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;font-size:15px}thead th{background:var(--navy);color:#fff;text-align:left;font-size:12px;letter-spacing:.1em;text-transform:uppercase;padding:12px 14px}tbody th{text-align:left}tbody th,tbody td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.viva details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:8px}.viva summary{font-weight:700;cursor:pointer}.viva p{margin:8px 0 0;color:#2f3d47}
.mcqs{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mcq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:0}.mcq legend{font-weight:700;padding:0 4px}.mcq label{display:block;padding:5px 0;cursor:pointer}.mcq .fb{margin:6px 0 0;font-weight:700;min-height:1em}.mcq.ok{border-color:#9fd3b2;background:#f1f9f4}.mcq.no{border-color:#f1c6c2}
.log{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;margin-top:30px}
.logf{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.logf label{display:flex;flex-direction:column;font-size:13px;font-weight:700;gap:6px}.logf .wide{grid-column:span 3}.logf input,.logf select,.logf textarea{border:1px solid var(--line);border-radius:10px;padding:10px;font:inherit;font-weight:400;background:#fbfaf7}.logf textarea{min-height:70px}
.score td{text-align:center}.score input{accent-color:var(--amber);width:18px;height:18px}
.ready label{display:flex;gap:10px;padding:7px 0;border-bottom:1px dashed var(--line)}.ready input{width:20px;height:20px;accent-color:var(--go)}
.logbtn{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.logbtn button{background:var(--navy);color:#fff;border:0;border-radius:999px;padding:12px 20px;font:700 15px Manrope,system-ui,sans-serif;cursor:pointer}.logbtn .ghost{background:#fff;color:var(--stop);border:1.5px solid var(--stop)}
.small{font-size:13px;color:var(--mut)}.refs{padding-bottom:50px}.refs li{margin-bottom:8px;font-size:14.5px}.refs a{color:var(--navy);word-break:break-all}
.lmpop,.lightbox{position:fixed;inset:0;background:rgba(10,18,28,.72);z-index:90;display:grid;place-items:center;padding:20px}
.lmpop[hidden],.lightbox[hidden],.bench[hidden]{display:none}
.lmcard{background:#fff;border-radius:18px;padding:24px;max-width:460px;width:100%;position:relative}.lmcard h3{font-size:28px;margin:4px 0 6px}.lmcard .k{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);font-weight:700}
#lmSt a{display:flex;gap:10px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:10px;margin-top:8px;text-decoration:none;color:var(--ink);font-weight:600}#lmSt img{width:84px;border-radius:6px}
.x{position:absolute;top:10px;right:12px;border:0;background:none;font-size:30px;cursor:pointer;color:inherit}
.lightbox img{max-width:96vw;max-height:90vh;border-radius:10px;background:#fff}.lightbox .x{color:#fff}
.bench{position:fixed;inset:0;z-index:100;background:#0b1118;color:#fff;display:flex;flex-direction:column;font-family:Manrope,sans-serif}
.b-top{display:flex;align-items:center;gap:14px;padding:14px 20px;font-size:16px}#bSt{font-weight:800;color:#e2b04a;flex:1}#bMeta{color:#9fb0c1}
.b-top button{background:#1c2733;color:#fff;border:0;border-radius:999px;padding:10px 16px;font:700 15px Manrope,system-ui,sans-serif;cursor:pointer}.b-top button.on{background:#c0392b}
.b-prog{height:5px;background:#1c2733}.b-prog i{display:block;height:100%;background:#e2b04a;transition:width .25s}
.b-main{flex:1;display:grid;grid-template-columns:1.1fr 1fr;gap:28px;padding:22px 28px;min-height:0}
.b-img{display:grid;place-items:center;min-height:0}.b-img img{max-width:100%;max-height:100%;border-radius:14px;background:#fff;object-fit:contain}
.b-txt{display:flex;flex-direction:column;justify-content:center;overflow:auto}.b-k{font-size:15px;letter-spacing:.14em;text-transform:uppercase;color:#9fb0c1;font-weight:700;margin-bottom:14px}
#bX{font-size:clamp(24px,2.8vw,38px);line-height:1.35;font-weight:600}#bX .go,#bX .stop{font-size:clamp(20px,2.2vw,30px);margin-bottom:16px;color:#14202e}
.b-nav{display:flex;align-items:center;justify-content:space-between;padding:14px 20px 22px}.b-nav button{background:#1c2733;color:#fff;border:0;border-radius:16px;padding:20px 34px;font:800 22px Manrope,system-ui,sans-serif;cursor:pointer;min-width:160px}#bNext{background:#e2b04a;color:#14202e}#bCount{color:#9fb0c1;font-size:18px}
@media(max-width:900px){#bMeta{display:none}.b-top{font-size:14px;padding:10px 14px}.b-top button{padding:8px 12px;font-size:13px}.b-main{padding:14px 18px;gap:14px}.hero-in,.two,.st-body,.ctg,.mcqs,.gs{grid-template-columns:1fr}.facts{grid-template-columns:1fr 1fr}.b-main{grid-template-columns:1fr;grid-template-rows:auto 1fr}.b-img img{max-height:34vh}.three{grid-template-columns:1fr}.logf{grid-template-columns:1fr}.logf .wide{grid-column:auto}.st-figs .ph{grid-template-columns:1fr}.b-nav button{padding:16px 22px;min-width:120px}}
@media print{.appbar,.appfoot,.toc,.hero,.ed-bar,.station,.block:not(.log),.chain-block,.logbtn,.h.sec,.bench{display:none!important}.log{border:0}}
.pager{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:10px 0 40px}.pager a{background:#0e2235;color:#fff;text-decoration:none;border-radius:12px;padding:12px 16px;font-weight:700;font-size:14.5px}
.rule{background:#0e2235;color:#fff;border-radius:12px;padding:14px 16px;font-weight:600}
.infig{max-width:820px;margin:18px 0;border:1px solid #e4ddcf;border-radius:14px;overflow:hidden;background:#f6f4ef}

.oslinks{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin:14px 0 26px}
.osl{display:flex;flex-direction:column;gap:6px;padding:14px 16px;border:1px solid #e3dccd;border-radius:12px;background:#fff;color:inherit;text-decoration:none}
.osl:hover{border-color:#c98a12}.osl b{font-size:15px;color:#0e2235}.osl .cr{font-size:12.5px;color:#7a6a4a}.osl span{font-size:13.5px;line-height:1.45}.osl i{font-style:normal;font-weight:600;font-size:13px;color:#c98a12;margin-top:auto}
@media print{.oslinks{display:none}}