:root{--ink:#071117;--panel:#0e2028;--line:rgba(222,244,241,.14);--text:#f1f8f6;--muted:#8fa5a4;--acid:#d0ff45;--coral:#ff6b59;--cyan:#57dce2;--violet:#aa9cff;--amber:#ffc85c;--shadow:0 24px 80px rgba(0,0,0,.42)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--ink);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}body{overflow:hidden}button,input,textarea{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--acid);outline-offset:3px}
.app-shell{height:100dvh;display:grid;grid-template-rows:62px 1fr 64px;background-image:linear-gradient(rgba(208,255,69,.024) 1px,transparent 1px),linear-gradient(90deg,rgba(208,255,69,.024) 1px,transparent 1px);background-size:38px 38px}.topbar,.controlbar{display:flex;align-items:center;padding:0 clamp(18px,3vw,48px);background:rgba(7,17,23,.88);backdrop-filter:blur(18px);z-index:10}.topbar{border-bottom:1px solid var(--line);justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;border:0;background:none;cursor:pointer;font-size:.76rem;letter-spacing:.14em;font-weight:850}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--acid);color:var(--acid);font-size:.72rem;transform:rotate(-3deg)}.chapter{color:var(--muted);font-size:.72rem;letter-spacing:.16em}.top-actions,.nav-actions{display:flex;gap:8px}.icon-btn,.nav-btn,.ghost-btn,.scene-btn,.person-lock,.clue{border:1px solid var(--line);background:var(--panel);cursor:pointer;transition:.2s ease}.icon-btn:hover,.nav-btn:hover,.ghost-btn:hover,.scene-btn:hover,.person-lock:hover,.clue:hover{border-color:var(--acid);transform:translateY(-1px)}.icon-btn{width:38px;height:38px;border-radius:50%;font-size:1.15rem}
.stage{min-height:0;position:relative;overflow:hidden}.slide{position:absolute;inset:0;padding:clamp(28px,5vh,62px) clamp(24px,7vw,108px);display:flex;flex-direction:column;justify-content:center;overflow:hidden;animation:enter .42s cubic-bezier(.22,.8,.22,1)}@keyframes enter{from{opacity:0;transform:translateX(24px)}to{opacity:1;transform:none}}.slide::after{content:"";position:absolute;right:-15vw;bottom:-34vw;width:52vw;height:52vw;border:1px solid rgba(208,255,69,.1);border-radius:50%;box-shadow:0 0 0 6vw rgba(208,255,69,.018),0 0 0 12vw rgba(87,220,226,.012);pointer-events:none}.micro{display:block;color:var(--acid);font-size:.72rem;font-weight:900;letter-spacing:.2em;text-transform:uppercase;margin-bottom:15px}.step-mark{position:absolute;top:28px;right:clamp(24px,7vw,108px);font:700 .72rem ui-monospace,monospace;color:var(--muted);letter-spacing:.16em}.focus-title{font-size:clamp(2.4rem,6.5vw,6.8rem);line-height:.98;letter-spacing:-.055em;margin:0;max-width:1100px}.focus-question{font-size:clamp(2rem,5.1vw,5.2rem);line-height:1.12;letter-spacing:-.045em;margin:0;max-width:1080px}.subline{color:var(--muted);font-size:clamp(1rem,1.45vw,1.28rem);line-height:1.65;margin:24px 0 0;max-width:760px}.accent{color:var(--acid)}.coral{color:var(--coral)}.cyan{color:var(--cyan)}
.cinema{padding:0;background:#020607}.cinema-stage{position:absolute;inset:0;background:radial-gradient(circle at 70% 35%,rgba(255,107,89,.18),transparent 32%),linear-gradient(110deg,#020607 0%,#0a181e 54%,#111d22 100%);display:grid;place-items:center}.cinema-copy{position:relative;z-index:2;text-align:center;width:min(960px,86vw)}.rec{display:inline-flex;align-items:center;gap:8px;color:#ff8a7b;font:800 .72rem ui-monospace,monospace;letter-spacing:.16em}.rec::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--coral);box-shadow:0 0 18px var(--coral)}.timer{font:900 clamp(4rem,13vw,11rem)/.9 ui-monospace,monospace;letter-spacing:-.08em;margin:20px 0;color:#fff}.situation{font-size:clamp(1.1rem,2vw,1.65rem);line-height:1.6;color:#cedbd8;max-width:820px;margin:auto}.cinema-actions{display:flex;justify-content:center;gap:12px;margin-top:28px;flex-wrap:wrap}.scene-btn,.ghost-btn{padding:13px 18px;background:rgba(14,32,40,.9);font-weight:800}.scene-btn{border-color:var(--acid);color:var(--acid)}.file-input{display:none}.video-loaded{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000;z-index:3}
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px;max-width:1080px}.voice{padding:22px;border:1px solid var(--line);background:rgba(14,32,40,.78)}.voice b{display:block;color:var(--acid);margin-bottom:10px}.voice textarea{width:100%;min-height:96px;resize:none;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--text);font-size:1rem;line-height:1.55}.voice textarea::placeholder{color:#6f8382}
.freeze{display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center}.frame{position:relative;aspect-ratio:16/9;border:1px solid var(--line);background:radial-gradient(circle at 65% 55%,rgba(255,107,89,.13),transparent 24%),linear-gradient(145deg,#0f2932,#071117 64%);box-shadow:var(--shadow);overflow:hidden}.frame::before{content:"PAUSED · 00:58";position:absolute;top:18px;left:18px;color:var(--coral);font:800 .72rem ui-monospace,monospace;letter-spacing:.13em}.hud-pack{position:absolute;left:8%;bottom:12%;width:30%;height:25%;border:1px solid rgba(208,255,69,.45);background:rgba(208,255,69,.07)}.hud-door{position:absolute;right:10%;top:17%;width:24%;height:49%;border:1px solid rgba(87,220,226,.45);background:rgba(87,220,226,.05)}.hud-team{position:absolute;left:48%;top:46%;width:12%;aspect-ratio:1;border:1px solid rgba(170,156,255,.5);border-radius:50%}.hud-timer{position:absolute;right:8%;bottom:8%;font:900 1.3rem ui-monospace,monospace;color:var(--coral)}.signal{position:absolute;width:12px;height:12px;border:2px solid currentColor;border-radius:50%;box-shadow:0 0 0 8px rgba(255,255,255,.05)}.s1{left:31%;bottom:26%;color:var(--acid)}.s2{right:20%;top:32%;color:var(--cyan)}.s3{left:53%;top:53%;color:var(--violet)}.s4{right:13%;bottom:15%;color:var(--coral)}.s5{left:12%;top:27%;color:var(--amber)}.clue-list{display:grid;gap:10px}.clue{padding:16px;text-align:left;color:var(--muted)}.clue.revealed{color:var(--text);border-color:var(--clue,var(--acid));background:color-mix(in srgb,var(--clue,var(--acid)) 10%,var(--panel))}.clue span{display:block;font-size:.72rem;color:var(--clue,var(--acid));margin-bottom:5px;font-weight:800;letter-spacing:.12em}.one-question{text-align:center}.one-question .focus-question{margin:auto}.why-next{margin:32px auto 0;color:var(--muted);font-size:.83rem;letter-spacing:.08em}
.multi-motive{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:38px}.motive-card{min-height:160px;padding:22px;border-top:3px solid var(--c);background:linear-gradient(180deg,color-mix(in srgb,var(--c) 11%,transparent),rgba(14,32,40,.72))}.motive-card strong{display:block;font-size:1.2rem;margin:10px 0}.motive-card p{margin:0;color:var(--muted);line-height:1.5}.method-path{display:flex;align-items:center;gap:12px;margin-top:44px;flex-wrap:wrap}.method-node{padding:16px 20px;border:1px solid var(--line);background:var(--panel);font-weight:800}.method-arrow{color:var(--acid)}
.watch-slide{background:radial-gradient(circle at 80% 50%,color-mix(in srgb,var(--case) 13%,transparent),transparent 34%)}.watch-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(28px,6vw,86px);align-items:center}.case-count{font:800 .72rem ui-monospace,monospace;letter-spacing:.18em;color:var(--muted)}.moment{font-size:clamp(1.45rem,3vw,2.7rem);line-height:1.4;margin:20px 0 0;max-width:620px}.watch-screen{aspect-ratio:16/9;border:1px solid color-mix(in srgb,var(--case) 38%,var(--line));background:linear-gradient(145deg,color-mix(in srgb,var(--case) 11%,#0b1920),#071117);box-shadow:var(--shadow);display:grid;place-items:center;padding:28px;text-align:center;position:relative}.watch-screen .timer{font-size:clamp(3rem,7vw,7rem);color:var(--case);margin:0}.watch-screen p{color:#cedbd8;font-size:clamp(1rem,1.5vw,1.28rem);line-height:1.55;max-width:540px}.watch-screen button{margin-top:18px}.observe-q{position:absolute;bottom:18px;left:20px;right:20px;color:var(--text);font-weight:750}
.detect-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}.mechanism-stage{aspect-ratio:16/10;border:1px solid var(--line);background:linear-gradient(150deg,#10242d,#071117);display:grid;place-items:center;padding:34px;position:relative}.mechanism-core{font-size:clamp(1.5rem,3vw,3rem);font-weight:900;text-align:center;max-width:500px}.mechanism-buttons{display:grid;gap:12px}.mechanism-buttons .clue{font-size:1rem}.mechanism-buttons .clue::after{content:"＋";float:right;color:var(--case)}.mechanism-buttons .clue.revealed::after{content:"✓"}.detect-question{font-size:clamp(1.5rem,2.8vw,2.7rem);line-height:1.3;margin:0 0 22px}.next-thread{margin-top:20px;color:var(--muted);font-size:.88rem}
.reflect-slide{background:linear-gradient(120deg,color-mix(in srgb,var(--case) 12%,#071117),#071117 58%)}.reveal-name{font-size:clamp(2.9rem,7.5vw,7.8rem);line-height:.9;letter-spacing:-.065em;margin:0;color:var(--case)}.reveal-cn{font-size:clamp(1.3rem,2.4vw,2.2rem);margin-top:16px;font-weight:800}.definition{font-size:clamp(1.05rem,1.55vw,1.35rem);line-height:1.6;color:#c3d4d1;max-width:760px;margin:18px 0 0}.reflect-bottom{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:end;margin-top:40px}.reflect-question{font-size:clamp(1.4rem,2.65vw,2.55rem);line-height:1.35;margin:0}.private-box{border:1px solid var(--line);padding:18px;background:rgba(7,17,23,.64)}.private-box>span{color:var(--muted);font-size:.8rem}.person-locks{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.person-lock{padding:12px 8px;font-weight:800}.person-lock.done{border-color:var(--p);color:var(--p)}.person-lock.done::after{content:" · 已锁定";font-size:.68rem}.score-progress{height:3px;background:rgba(255,255,255,.08);margin-top:13px}.score-progress span{display:block;height:100%;background:var(--case);transition:.25s}
.result-slide{text-align:center}.result-slide canvas{width:min(680px,78vw);height:min(560px,60vh);margin:18px auto 0}.result-name{font-size:clamp(2rem,4vw,4rem);margin:0}.result-instruction{color:var(--muted);margin-top:8px}.compare-question{font-size:clamp(2.2rem,5.4vw,5.5rem);line-height:1.12;margin:0 auto;max-width:1040px}.answer-badge{display:inline-block;margin-top:30px;padding:12px 18px;border:1px solid var(--accent-color,var(--acid));color:var(--accent-color,var(--acid));font-weight:900;font-size:clamp(1rem,1.8vw,1.45rem)}.return-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:36px auto 0;max-width:1000px}.return-card{padding:22px;border:1px solid var(--line);background:var(--panel)}.return-card b{display:block;color:var(--acid);margin-bottom:8px}.return-card p{margin:0;color:var(--muted);line-height:1.5}.final-line{font-size:clamp(2.35rem,6vw,6.2rem);line-height:1.06;letter-spacing:-.05em;margin:0;max-width:1100px}
.controlbar{border-top:1px solid var(--line);gap:20px}.progress-track{flex:1;max-width:430px;height:3px;background:rgba(255,255,255,.08)}.progress-track span{display:block;height:100%;background:var(--acid);transition:.3s}.counter{color:var(--muted);font:.75rem ui-monospace,monospace}.nav-actions{margin-left:auto}.nav-btn{height:40px;min-width:48px;padding:0 16px}.nav-btn.primary{background:var(--acid);border-color:var(--acid);color:var(--ink);font-weight:900}.nav-btn:disabled{opacity:.35;cursor:not-allowed}
dialog{color:var(--text)}dialog::backdrop{background:rgba(0,5,8,.84);backdrop-filter:blur(9px)}.overview-dialog,.video-dialog,.score-dialog{width:min(1080px,92vw);max-height:88vh;padding:0;border:1px solid var(--line);background:#09171d;box-shadow:var(--shadow)}.dialog-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--line)}.dialog-head h2{margin:0;font-size:1.5rem}.dialog-head .micro{margin:0 0 4px}.overview-grid{padding:18px;display:grid;grid-template-columns:repeat(4,1fr);gap:9px;max-height:68vh;overflow:auto}.overview-item{text-align:left;border:1px solid var(--line);background:var(--panel);color:var(--text);padding:13px;min-height:86px;cursor:pointer}.overview-item:hover{border-color:var(--acid)}.overview-item b{display:block;color:var(--acid);font-size:.67rem;margin-bottom:7px}.overview-item span{font-size:.88rem;line-height:1.3}.video-frame{aspect-ratio:16/9;background:#000}.video-frame iframe{width:100%;height:100%;border:0}.dialog-question{padding:16px 24px;color:var(--acid);font-weight:800}.score-dialog{width:min(680px,92vw)}.score-private{padding:30px}.score-private .micro{color:var(--coral)}.score-private h2{font-size:clamp(2rem,4vw,3.6rem);margin:8px 0}.score-private p{color:#c8d6d3;line-height:1.5}.score-scale{display:grid;grid-template-columns:repeat(11,1fr);gap:6px;margin:24px 0 10px}.score-choice{aspect-ratio:1;border:1px solid var(--line);background:var(--panel);cursor:pointer}.score-choice.selected{background:var(--score-color,var(--acid));border-color:var(--score-color,var(--acid));color:var(--ink);font-weight:900}.score-anchors{display:flex;justify-content:space-between;color:var(--muted);font-size:.75rem}.save-score{display:block;width:100%;margin-top:24px;padding:13px;border:0;background:var(--acid);color:var(--ink);font-weight:900;cursor:pointer}.save-score:disabled{opacity:.35;cursor:not-allowed}
@media(max-width:900px){body{overflow:auto}.app-shell{height:auto;min-height:100dvh;grid-template-rows:58px minmax(calc(100dvh - 118px),auto) 60px}.stage{min-height:calc(100dvh - 118px)}.slide{position:relative;min-height:calc(100dvh - 118px);overflow:auto}.watch-grid,.freeze,.detect-grid,.reflect-bottom{grid-template-columns:1fr}.voices,.multi-motive,.return-cards{grid-template-columns:1fr}.watch-screen{max-height:46vh}.frame{max-height:42vh}.reflect-bottom{margin-top:25px;gap:22px}.overview-grid{grid-template-columns:1fr 1fr}.result-slide canvas{width:92vw;height:52vh}.chapter{display:none}}
@media(max-width:560px){.slide{padding:26px 18px}.brand span:last-child{display:none}.voices{gap:9px;margin-top:24px}.voice{padding:14px}.voice textarea{min-height:58px}.multi-motive{grid-template-columns:1fr 1fr}.motive-card{min-height:130px;padding:16px}.person-locks{grid-template-columns:1fr}.overview-grid{grid-template-columns:1fr}.score-scale{grid-template-columns:repeat(6,1fr)}.step-mark{display:none}.timer{font-size:4.2rem}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}