/* ActChoo 商业计划书 · H5 · 「片场黑白」 */
@font-face{font-family:'AC Black Serif';src:url('assets/fonts/selector-blackserif.woff2') format('woff2');font-display:block}
@font-face{font-family:'AC Sans';src:url('assets/fonts/selector-sans.woff2') format('woff2');font-display:block}
@font-face{font-family:'Geist Mono';src:url('assets/fonts/geist-mono-latin.woff2') format('woff2')}
@font-face{font-family:'Geist';src:url('assets/fonts/geist-latin.woff2') format('woff2')}
:root{
 --ink:#0B0B0C;--ink-2:#131315;--ink-3:#1C1C1F;--ink-4:#2A2A2E;
 --paper:#F3F1EC;--paper-2:#E6E3DC;--paper-3:#D4D0C7;
 --mute:#8B8B90;--mute-2:#5E5E64;--line:rgba(255,255,255,.08);--line-2:rgba(255,255,255,.15);
 --signal:#5BE49B;--signal-dim:rgba(91,228,155,.14);--alarm:#FF5A4E;--amber:#F2C14E;
 --slate:repeating-linear-gradient(-45deg,var(--ink) 0 10px,var(--paper) 10px 20px);
 --serif:'AC Black Serif','Noto Serif SC',serif;--sans:'Geist','AC Sans','PingFang SC','Microsoft YaHei',sans-serif;--mono:'Geist Mono',ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:#000;color:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased}
html.locked,html.locked body{overflow:hidden}
body::-webkit-scrollbar{width:0;height:0}
html{scrollbar-width:none}
#track{width:1px;pointer-events:none}

/* ——— 舞台：固定 1280×720 设计单位，等比缩放 ——— */
#stage{position:fixed;left:50%;top:50%;width:1280px;height:720px;transform-origin:50% 50%;overflow:hidden;
 background:radial-gradient(900px 520px at 78% 0%,#151518 0,#0a0a0b 55%,#070708 100%)}
.scene{position:absolute;inset:0;visibility:hidden}
.scene.on{visibility:visible}
.abs{position:absolute}
.mono{font-family:var(--mono)}
.serif{font-family:var(--serif)}

/* 胶片颗粒 + 轻微闪烁 */
#grain{position:absolute;inset:-50%;z-index:90;pointer-events:none;opacity:.075;mix-blend-mode:overlay;
 background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='260' height='260'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
 animation:grain 1s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}
#vignette{position:absolute;inset:0;z-index:89;pointer-events:none;background:radial-gradient(130% 100% at 50% 50%,transparent 60%,rgba(0,0,0,.45) 100%)}

/* ——— HUD ——— */
#hud{position:absolute;inset:0;z-index:95;pointer-events:none}
.vf i{position:absolute;width:14px;height:14px;border:0 solid rgba(243,241,236,.32)}
.vf i:nth-child(1){top:20px;left:20px;border-top-width:1px;border-left-width:1px}
.vf i:nth-child(2){top:20px;right:20px;border-top-width:1px;border-right-width:1px}
.vf i:nth-child(3){bottom:20px;left:20px;border-bottom-width:1px;border-left-width:1px}
.vf i:nth-child(4){bottom:20px;right:20px;border-bottom-width:1px;border-right-width:1px}
.meta{position:absolute;left:64px;right:64px;display:flex;justify-content:space-between;align-items:center;
 font:500 8.5px/1 var(--mono);letter-spacing:.24em;color:rgba(243,241,236,.42);text-transform:uppercase}
.meta.top{top:27px}.meta.bot{bottom:27px}
.meta b{font-weight:500;color:rgba(243,241,236,.78)}
.dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--signal);margin-right:8px;vertical-align:1px;box-shadow:0 0 8px var(--signal)}
#prog{position:absolute;left:64px;right:64px;bottom:44px;height:1px;background:rgba(243,241,236,.08)}
#prog i{position:absolute;left:0;top:0;bottom:0;background:rgba(243,241,236,.5);width:0}
#prog em{position:absolute;top:-2px;width:1px;height:5px;background:rgba(243,241,236,.25)}
#hint{position:absolute;left:50%;bottom:23px;transform:translateX(-50%);font:500 8.5px var(--mono);letter-spacing:.24em;color:rgba(243,241,236,.35);transition:opacity .6s}

/* ——— 通用 ——— */
.kick{position:absolute;left:64px;top:74px;font:500 10px/1 var(--mono);letter-spacing:.28em;color:var(--signal);text-transform:uppercase}
.title{position:absolute;left:62px;top:94px;font:900 50px/1.1 var(--serif);letter-spacing:.005em;white-space:nowrap}
.deck{position:absolute;right:64px;top:104px;width:380px;text-align:right;font:400 12.5px/1.75 var(--sans);color:var(--mute)}
.mask{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.mask>span{display:block;will-change:transform}
.chip{display:inline-flex;align-items:center;gap:5px;height:20px;padding:0 8px;border-radius:5px;font:500 9.5px var(--sans);
 background:rgba(243,241,236,.08);box-shadow:inset 0 0 0 1px var(--line-2);color:#d8d6d0;white-space:nowrap}
.chip.sig{background:var(--signal-dim);color:var(--signal);box-shadow:inset 0 0 0 1px rgba(91,228,155,.32)}
.ico{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.note{font:500 8.5px var(--mono);letter-spacing:.18em;color:var(--mute-2);text-transform:uppercase}
.timer{flex:1;height:3px;border-radius:2px;background:var(--ink-4);overflow:hidden}
.timer i{display:block;height:100%;width:100%;background:var(--paper);transform-origin:0 50%}

/* ================= SC.00 序 · 开场互动 ================= */
#intro{z-index:80;visibility:visible}
#intro .half{position:absolute;inset:0;overflow:hidden;will-change:transform}
#intro .half.l{clip-path:inset(0 50% 0 0)}
#intro .half.r{clip-path:inset(0 0 0 50%)}
#intro .half img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 52%;filter:brightness(.62) contrast(1.06) saturate(.85);
 animation:slowzoom 14s ease-out forwards}
@keyframes slowzoom{from{transform:scale(1.12)}to{transform:scale(1)}}
#intro .half::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,6,7,.92) 0%,rgba(6,6,7,.25) 45%,rgba(6,6,7,.4) 100%)}
#intro .light{position:absolute;left:50%;top:0;bottom:0;width:2px;margin-left:-1px;background:#fff;opacity:0;
 box-shadow:0 0 40px 18px rgba(243,241,236,.55),0 0 160px 60px rgba(91,228,155,.25)}
#intro .bars i{position:absolute;left:0;right:0;height:62px;background:#000;z-index:3;transition:transform 1.2s cubic-bezier(.7,0,.2,1)}
#intro .bars i:first-child{top:0}#intro .bars i:last-child{bottom:0}
#intro.open .bars i:first-child{transform:translateY(-100%)}
#intro.open .bars i:last-child{transform:translateY(100%)}
#intro .ui{position:absolute;inset:0;z-index:4;transition:opacity .5s}
#intro .slug{position:absolute;left:64px;top:86px;font:500 9.5px var(--mono);letter-spacing:.28em;color:rgba(243,241,236,.6)}
#intro .slug b{color:var(--signal);font-weight:500}
#intro .sub{position:absolute;left:0;right:0;top:420px;text-align:center;font:900 30px/1.5 var(--serif);letter-spacing:.04em;text-shadow:0 2px 20px rgba(0,0,0,.6);min-height:90px}
#intro .sub .caret{display:inline-block;width:2px;height:.9em;background:var(--signal);vertical-align:-.08em;margin-left:4px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
#intro .opts{position:absolute;left:50%;top:528px;transform:translateX(-50%);display:flex;gap:14px;opacity:0;transition:opacity .6s,transform .6s}
#intro .opts.show{opacity:1}
#intro .opt{pointer-events:auto;cursor:pointer;width:250px;height:52px;border-radius:14px;display:flex;align-items:center;gap:12px;padding:0 18px;
 font:600 15px var(--sans);color:var(--paper);background:rgba(14,14,16,.55);backdrop-filter:blur(14px);box-shadow:inset 0 0 0 1px var(--line-2);
 border:0;transition:background .25s,box-shadow .25s,transform .25s}
#intro .opt .k{font:600 11px var(--mono);color:var(--mute);width:16px}
#intro .opt:hover{background:rgba(243,241,236,.12);box-shadow:inset 0 0 0 1px rgba(243,241,236,.4);transform:translateY(-2px)}
#intro .opt.pick{background:var(--signal);color:var(--ink);box-shadow:none}
#intro .opt.pick .k{color:var(--ink)}
#intro .opt.dim{opacity:.3}
#intro .tbar{position:absolute;left:50%;top:600px;width:514px;margin-left:-257px;display:flex;align-items:center;gap:10px;font:500 9px var(--mono);letter-spacing:.2em;color:var(--mute);opacity:0;transition:opacity .6s}
#intro .tbar.show{opacity:1}
#intro .tbar .timer i{background:var(--signal)}
#intro .keys{position:absolute;left:0;right:0;top:640px;text-align:center;font:500 8.5px var(--mono);letter-spacing:.24em;color:rgba(243,241,236,.35);opacity:0;transition:opacity .6s}
#intro .keys.show{opacity:1}

/* ================= SC.01 封面 ================= */
.s1 .photo{position:absolute;top:0;right:0;bottom:0;width:600px;overflow:hidden}
.s1 .photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 30%;filter:contrast(1.05) saturate(.92);transform-origin:60% 40%}
.s1 .photo::before{content:'';position:absolute;inset:0;z-index:1;
 background:linear-gradient(90deg,#08080a 0%,rgba(8,8,10,.86) 14%,rgba(8,8,10,0) 46%),linear-gradient(0deg,rgba(8,8,10,.85) 0%,rgba(8,8,10,0) 34%),linear-gradient(180deg,rgba(8,8,10,.55) 0%,rgba(8,8,10,0) 18%)}
.s1 .left{position:absolute;left:64px;top:0;bottom:0;width:700px;z-index:5}
.s1 .eyebrow{position:absolute;top:150px;font:500 10px var(--mono);letter-spacing:.3em;color:var(--mute)}
.s1 .eyebrow em{font-style:normal;color:var(--signal)}
.s1 .word{position:absolute;top:166px;left:-6px;font:900 138px/1.04 var(--serif);letter-spacing:-.02em;display:flex;overflow:hidden;padding:0 10px 6px 0}
.s1 .word span{display:inline-block;transform:translateY(105%);transition:transform 1.1s cubic-bezier(.2,.8,.2,1)}
.s1 .word span.g{color:var(--signal)}
.s1 .tagline{position:absolute;top:338px;font:900 30px/1.2 var(--serif);letter-spacing:.02em}
.s1 .desc{position:absolute;top:396px;width:600px;font:400 13.5px/1.85 var(--sans);color:#a9a9ae}
.s1 .desc b{color:var(--paper);font-weight:500}
.s1 .credit{position:absolute;right:64px;top:74px;z-index:6;text-align:right;font:500 8.5px/1.8 var(--mono);letter-spacing:.2em;color:rgba(243,241,236,.55)}
.fx{opacity:0;transform:translateY(18px);transition:opacity 1s cubic-bezier(.2,.8,.2,1),transform 1s cubic-bezier(.2,.8,.2,1)}
.s1.in .word span{transform:none}
.s1.in .fx{opacity:1;transform:none}
.clap{position:absolute;top:516px;width:452px;border-radius:6px;overflow:hidden;box-shadow:inset 0 0 0 1px var(--line-2)}
.clap .bar{height:16px;background:var(--slate);border-bottom:1px solid var(--line-2);transform-origin:0 100%;transition:transform .7s cubic-bezier(.5,0,.2,1.4) 1.5s;transform:rotate(-14deg)}
.s1.in .clap .bar{transform:none}
.clap .grid{display:grid;grid-template-columns:1.5fr .7fr .9fr}
.clap .c{padding:9px 12px 10px;border-right:1px solid var(--line-2)}
.clap .c:last-child{border-right:0}
.clap .l{font:500 7.5px var(--mono);letter-spacing:.22em;color:var(--mute-2);margin-bottom:5px}
.clap .v{font:900 15px var(--serif);color:var(--paper)}
.scrollcue{position:absolute;left:64px;bottom:72px;display:flex;align-items:center;gap:12px;font:500 9px var(--mono);letter-spacing:.26em;color:var(--mute)}
.scrollcue .ln{width:1px;height:34px;background:rgba(243,241,236,.15);position:relative;overflow:hidden}
.scrollcue .ln::after{content:'';position:absolute;left:0;top:-40%;width:1px;height:40%;background:var(--paper);animation:cue 1.8s cubic-bezier(.6,0,.3,1) infinite}
@keyframes cue{to{top:100%}}

/* ================= SC.02 问题 ================= */
.s2 .beat{position:absolute;inset:0}
.s2 .stmt{position:absolute;left:0;right:0;top:250px;text-align:center}
.s2 .stmt .l1{font:900 58px/1.25 var(--serif)}
.s2 .stmt .l2{font:900 58px/1.25 var(--serif);color:var(--mute-2)}
.s2 .stmt .l2 em{font-style:normal;color:var(--paper);position:relative}
.s2 .stmt .l2 em i{position:absolute;left:-4px;right:-4px;bottom:6px;height:10px;background:var(--signal);opacity:.85;z-index:-1;transform-origin:0 50%}
.s2 .stmt .k{display:block;font:500 10px var(--mono);letter-spacing:.3em;color:var(--signal);margin-bottom:26px}
.bh{position:absolute;left:64px;top:84px}
.bh .k{font:500 10px/1 var(--mono);letter-spacing:.28em;color:var(--signal)}
.bh h2{font:900 46px/1.15 var(--serif);margin-top:12px;white-space:nowrap}
.bh h2>span{color:var(--paper)}
.bh h2>span>span{color:var(--mute)}
.bd{position:absolute;right:64px;top:110px;width:360px;text-align:right;font:400 12.5px/1.8 var(--sans);color:var(--mute)}
.bd b{color:var(--paper);font-weight:500}
#pipe{position:absolute;left:64px;top:232px;width:1152px;height:380px}
.s2 .gl{position:absolute;top:470px;font:900 18px var(--serif);text-align:center;width:120px;margin-left:-60px}
.s2 .gl small{display:block;font:500 8px var(--mono);letter-spacing:.2em;color:var(--mute-2);margin-top:5px}
.s2 .pipe-cap{position:absolute;left:64px;right:64px;top:580px;display:flex;justify-content:space-between;align-items:baseline}
.s2 .pipe-cap .big{font:900 30px var(--serif)}
.s2 .pipe-cap .big em{font-style:normal;color:var(--signal)}
/* 图表 */
.s2 svg text{font-family:var(--mono)}
.ann{position:absolute;display:flex;align-items:center;gap:8px;font:600 14px var(--sans);white-space:nowrap}
.ann .d{width:7px;height:7px;border-radius:50%;background:var(--paper);box-shadow:0 0 0 4px rgba(243,241,236,.12)}
.ann.red .d{background:var(--alarm);box-shadow:0 0 0 4px rgba(255,90,78,.18)}
.ann small{font:500 8.5px var(--mono);letter-spacing:.16em;color:var(--mute)}
.ann>span:last-child{position:relative;top:-17px;padding:3px 8px;border-radius:6px;background:rgba(11,11,12,.8);box-shadow:inset 0 0 0 1px var(--line)}
/* 象限 */
.qd{position:absolute;width:330px;font:400 13px/1.65 var(--sans);color:var(--mute)}
.qd b{display:block;font:900 26px/1.2 var(--serif);color:var(--paper);margin-bottom:6px}
.qd .tg{display:inline-block;font:500 9px var(--mono);letter-spacing:.2em;color:var(--mute-2);margin-bottom:6px}
.ac-dot{position:absolute;width:20px;height:20px;margin:-10px 0 0 -10px;border-radius:50%;background:var(--signal);box-shadow:0 0 30px rgba(91,228,155,.8)}
.ac-ring{position:absolute;width:20px;height:20px;margin:-10px 0 0 -10px;border-radius:50%;box-shadow:0 0 0 1px var(--signal);animation:ring 2.2s ease-out infinite}
.ac-ring.b{animation-delay:1.1s}
@keyframes ring{from{transform:scale(1);opacity:.9}to{transform:scale(7);opacity:0}}
.ac-lb{position:absolute;font:900 54px/1 var(--serif);white-space:nowrap;text-shadow:0 0 40px rgba(91,228,155,.35)}
.ac-lb small{display:block;font:500 10px var(--mono);letter-spacing:.24em;color:var(--signal);margin-bottom:10px;text-shadow:none}

/* ================= SC.03 三步 ================= */
.s3 .steps{position:absolute;left:64px;top:210px;width:330px}
.s3 .st{position:relative;padding:0 0 0 30px;height:132px}
.s3 .st .n{position:absolute;left:0;top:2px;font:900 15px var(--serif);color:var(--mute-2);transition:color .4s}
.s3 .st h3{font:900 22px/1.2 var(--serif);color:var(--mute-2);transition:color .4s}
.s3 .st p{font:400 12px/1.75 var(--sans);color:var(--mute-2);margin-top:8px;max-height:0;opacity:0;overflow:hidden;transition:max-height .6s,opacity .6s,color .4s}
.s3 .st.on .n{color:var(--signal)}
.s3 .st.on h3{color:var(--paper)}
.s3 .st.on p{max-height:80px;opacity:1;color:#9d9da3}
.s3 .st.done .n,.s3 .st.done h3{color:#77777c}
.s3 .rail{position:absolute;left:5px;top:28px;width:1px;height:370px;background:var(--line-2)}
.s3 .rail i{position:absolute;left:0;top:0;width:1px;background:var(--signal);height:0;box-shadow:0 0 6px var(--signal)}
.s3 .stg{position:absolute;left:450px;top:150px;width:766px;height:510px}
.cvbg{position:absolute;inset:0;border-radius:20px;box-shadow:inset 0 0 0 1px var(--line-2);
 background:radial-gradient(rgba(243,241,236,.09) 1px,transparent 1.2px) 0 0/18px 18px,rgba(255,255,255,.015)}
.cvbar{position:absolute;left:16px;top:16px;display:flex;gap:6px;align-items:center;font:500 8.5px var(--mono);letter-spacing:.18em;color:var(--mute)}
.prompt{position:absolute;left:60px;top:22px;width:646px;height:54px;border-radius:15px;padding:0 7px 0 18px;display:flex;align-items:center;gap:10px;
 background:rgba(243,241,236,.05);box-shadow:inset 0 0 0 1px var(--line-2)}
.prompt .t{flex:1;font:400 13px var(--sans);color:#d8d6d0;white-space:nowrap;overflow:hidden}
.prompt .t::after{content:'';display:inline-block;width:1.5px;height:14px;background:var(--signal);vertical-align:-2px;margin-left:2px;animation:blink 1s steps(1) infinite}
.prompt .go{height:40px;padding:0 16px;border-radius:10px;background:var(--paper);color:var(--ink);font:700 12.5px var(--sans);display:flex;align-items:center;gap:6px}
.card{position:absolute;border-radius:14px;overflow:hidden;box-shadow:0 0 0 1px rgba(255,255,255,.14),0 24px 44px -14px rgba(0,0,0,.9);background:var(--ink-3);will-change:transform}
.card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.card .scan{position:absolute;left:0;right:0;height:2px;background:var(--signal);box-shadow:0 0 14px 3px rgba(91,228,155,.7)}
.card .cover{position:absolute;left:0;right:0;bottom:0;background:var(--ink-3);
 background-image:repeating-linear-gradient(-45deg,transparent 0 6px,rgba(255,255,255,.03) 6px 12px)}
.card .lb{position:absolute;left:8px;right:8px;bottom:8px;display:flex;justify-content:space-between;align-items:center;z-index:2}
.card .lb .mono{font-size:8.5px;letter-spacing:.12em;color:rgba(243,241,236,.85)}
.card::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.65),transparent 40%);pointer-events:none}
.card.on{box-shadow:0 0 0 1.5px var(--signal),0 0 0 5px rgba(91,228,155,.1),0 24px 44px -14px rgba(0,0,0,.9)}
.nlb{position:absolute;display:flex;justify-content:space-between;font:600 8.5px var(--mono);letter-spacing:.1em;color:#bdbdc2}
.nlb.on{color:var(--signal)}
.elb{position:absolute;font:600 10px var(--sans);padding:4px 9px;border-radius:6px;background:var(--ink);box-shadow:inset 0 0 0 1px var(--line-2);color:#cfcdc7;transform:translate(-50%,-50%)}
.elb.on{color:var(--ink);background:var(--signal);box-shadow:none}
.phone{position:absolute;left:273px;top:16px;width:220px;height:478px;border-radius:38px;padding:8px;background:#000;
 box-shadow:0 0 0 1px #2b2b2f,0 40px 80px -20px rgba(0,0,0,.95)}
.phone .scr{width:100%;height:100%;border-radius:31px;overflow:hidden;position:relative}
.phone .scr img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.phone .scr::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.5),transparent 20%,transparent 40%,rgba(0,0,0,.95))}
.phone .in{position:absolute;inset:0;z-index:2;padding:22px 14px 16px;display:flex;flex-direction:column}
.phone .sc{font:500 8px var(--mono);letter-spacing:.18em;color:rgba(243,241,236,.75);display:flex;justify-content:space-between}
.phone .q{margin-top:auto;font:900 17px/1.4 var(--serif)}
.phone .b{height:36px;border-radius:10px;margin-top:8px;display:flex;align-items:center;padding:0 12px;font:600 12px var(--sans)}
.phone .b.p{background:var(--paper);color:var(--ink)}
.phone .b.g{background:rgba(243,241,236,.1);box-shadow:inset 0 0 0 1px rgba(243,241,236,.22)}
.phone .tm{display:flex;align-items:center;gap:7px;margin-top:12px;font:600 8px var(--mono);color:var(--signal)}
.phone .tm .timer{height:2px}.phone .tm .timer i{background:var(--signal)}
.rule{position:absolute;display:flex;align-items:center;gap:7px;height:34px;padding:0 13px 0 10px;border-radius:10px;font:600 12.5px var(--sans);
 background:var(--ink-2);box-shadow:inset 0 0 0 1px var(--line-2);color:#e6e4de;white-space:nowrap}
.rule .ico{width:15px;height:15px;color:var(--signal)}
.rule small{font:500 9px var(--sans);color:var(--mute);margin-left:2px}

/* ================= SC.04 商业模式 ================= */
.rev{position:absolute;top:186px;width:368px;height:252px}
.rev .sep{position:absolute;left:-12px;top:4px;bottom:4px;width:1px;background:var(--line);transform-origin:50% 0}
.rv-h{display:flex;align-items:center;gap:10px}
.rv-h .ic{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;box-shadow:inset 0 0 0 1px var(--line-2);color:var(--paper)}
.rv-h .ic .ico{width:15px;height:15px}
.rv-h .mono{font-size:9px;letter-spacing:.24em;color:var(--mute)}
.rev h3{font:900 25px/1.1 var(--serif);margin:16px 0 8px}
.rev p{font:400 12px/1.7 var(--sans);color:#9d9da3;width:340px}
.viz{position:absolute;left:0;right:12px;bottom:0;height:112px}
.tiers{display:flex;align-items:flex-end;gap:8px;height:100%}
.tier{flex:1;border-radius:10px 10px 4px 4px;padding:10px 11px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;
 background:rgba(243,241,236,.05);box-shadow:inset 0 0 0 1px var(--line-2);height:0}
.tier .p{font:900 20px/1 var(--serif);white-space:nowrap}
.tier .p small{font:500 9px var(--mono);color:var(--mute);margin-left:2px}
.tier .k{font:500 8px var(--mono);letter-spacing:.18em;color:var(--mute)}
.tier.t3{background:var(--paper);color:var(--ink);box-shadow:none}
.tier.t3 .k,.tier.t3 small{color:var(--mute-2)}
.flow{position:relative;height:100%}
.flow .side{position:absolute;top:0;bottom:0;display:flex;flex-direction:column;justify-content:center;gap:6px}
.flow .side.l{left:0}.flow .side.r{right:0;align-items:flex-end}
.flow .lbl{font:500 7.5px var(--mono);letter-spacing:.22em;color:var(--mute-2);margin-bottom:1px}
.flow>svg{position:absolute;inset:0;overflow:visible}
.gem{position:absolute;left:50%;top:50%;width:64px;height:64px;margin:-32px 0 0 -32px;border-radius:50%;display:grid;place-items:center;
 background:radial-gradient(circle at 35% 30%,rgba(91,228,155,.35),rgba(91,228,155,.06) 70%);box-shadow:inset 0 0 0 1px rgba(91,228,155,.4),0 0 30px rgba(91,228,155,.18);color:var(--signal)}
.gem .ico{width:26px;height:26px;stroke-width:1.4}
.tree{position:relative;height:100%}
.tree .root{position:absolute;left:50%;top:0;height:30px;padding:0 14px;border-radius:8px;display:flex;align-items:center;gap:6px;white-space:nowrap;
 background:var(--paper);color:var(--ink);font:700 11px var(--sans)}
.tree svg{position:absolute;left:0;top:30px;width:100%;height:36px}
.tree .kids{position:absolute;left:0;right:0;top:66px;display:flex;justify-content:space-between;padding:0 6px}
.tree .kid{width:100px;border-radius:8px;padding:6px 8px;background:rgba(243,241,236,.05);box-shadow:inset 0 0 0 1px var(--line-2)}
.tree .kid b{display:block;font:600 10.5px var(--sans)}
.tree .kid span{font:500 7.5px var(--mono);letter-spacing:.12em;color:var(--mute)}
.tl{position:absolute;left:64px;right:64px;top:470px;height:190px}
.tl-h{display:flex;justify-content:space-between;align-items:center;font:500 9px var(--mono);letter-spacing:.24em;color:var(--mute)}
.tl-h b{color:var(--paper);font-weight:500}
.ruler{position:absolute;left:92px;right:0;top:26px;height:22px;display:grid;grid-template-columns:repeat(5,1fr);border-bottom:1px solid var(--line-2)}
.ruler div{border-left:1px solid var(--line-2);padding:0 0 0 8px;font:500 8.5px var(--mono);letter-spacing:.14em;color:var(--mute);display:flex;align-items:center;
 background:repeating-linear-gradient(90deg,transparent 0 20px,rgba(255,255,255,.06) 20px 21px) bottom/100% 5px no-repeat}
.ruler div b{color:#cfcdc7;font-weight:500;margin-right:6px}
.tracks{position:absolute;left:0;right:0;top:56px}
.trk{position:relative;height:26px;margin-bottom:7px}
.trk .nm{position:absolute;left:0;top:0;width:84px;height:26px;border-radius:5px;display:flex;align-items:center;gap:7px;padding:0 8px;
 background:var(--ink-2);box-shadow:inset 0 0 0 1px var(--line);font:600 9.5px var(--sans);color:#cfcdc7}
.trk .nm .mono{font-size:8px;color:var(--mute)}
.lane{position:absolute;left:92px;right:0;top:0;bottom:0;border-radius:5px;background:rgba(255,255,255,.02);box-shadow:inset 0 0 0 1px var(--line)}
.clip{position:absolute;top:2px;bottom:2px;border-radius:4px;display:flex;align-items:center;padding:0 10px;font:600 10px var(--sans);white-space:nowrap;overflow:hidden}
.clip::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:rgba(0,0,0,.25)}
.clip .mono{font-size:8.5px;font-weight:500;margin-left:8px;opacity:.6}
.clip.a{background:var(--paper);color:var(--ink)}
.clip.b{background:var(--signal);color:var(--ink)}
.clip.c{background:var(--paper-3);color:var(--ink)}
.clip.ghost{color:var(--mute);box-shadow:inset 0 0 0 1px var(--line-2);background:repeating-linear-gradient(-45deg,transparent 0 6px,rgba(255,255,255,.04) 6px 12px)}
.clip.ghost::before,.clip.dash::before{display:none}
.clip.dash{color:#cfcdc7;border:1px dashed rgba(243,241,236,.35)}
.scanl{position:absolute;top:22px;bottom:0;width:2px;margin-left:-1px;background:var(--paper);box-shadow:0 0 16px 3px rgba(243,241,236,.5);z-index:4}
.playhead{position:absolute;top:20px;bottom:30px;width:1px;background:var(--alarm);z-index:3}
.playhead::before{content:'';position:absolute;top:0;left:-5px;border:5px solid transparent;border-top:7px solid var(--alarm)}
.playhead span{position:absolute;top:-4px;left:9px;font:600 8px var(--mono);letter-spacing:.18em;color:var(--alarm);white-space:nowrap}

/* ================= SC.05 未完待续 ================= */
.s5 .c{position:absolute;left:0;right:0;top:230px;text-align:center}
.s5 .c .k{font:500 10px var(--mono);letter-spacing:.3em;color:var(--signal)}
.s5 .c h2{font:900 64px/1.15 var(--serif);margin:18px 0 14px}
.s5 .c p{font:400 13px/1.8 var(--sans);color:var(--mute)}
.s5 .list{position:absolute;left:0;right:0;top:470px;display:flex;justify-content:center;flex-wrap:wrap;gap:8px;padding:0 200px}
.s5 .list .chip{height:26px;padding:0 12px;font-size:11px;color:var(--mute)}