@font-face{font-family:"BGZ Display";src:url(../fonts/display.woff2) format("woff2");font-weight:900;font-display:swap}
:root{
  --ink:#1B2822;--ink2:#3A4842;--muted:#6C7A72;--line:#D8DED6;
  --g9:#173F2F;--g8:#1F4D3A;--g6:#2F6B4F;--g4:#7FA48D;--g2:#D5E3D8;--g1:#ECF2ED;
  --paper:#F5F2EA;--paper2:#EDE8DC;--ochre:#B06A2B;--ochre2:#E3A35F;
  --disp:"BGZ Display","Source Han Serif SC","Noto Serif CJK SC","Songti SC","STSong",serif;
  --sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --num:"DIN Alternate","Avenir Next","Helvetica Neue","Segoe UI",sans-serif;
  --ease:cubic-bezier(.2,.7,.1,1);
  --gut:clamp(16px,4vw,56px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:auto;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);background:#dfe4dc;line-height:1.75;font-size:16px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.disp{font-family:var(--disp);font-weight:900;letter-spacing:.01em;line-height:1.22}

/* ---------- 画布与覆盖层 ---------- */
#gl{position:fixed;inset:0;width:100vw;height:100vh;display:block;z-index:0}
#veil{position:fixed;inset:0;background:#f3f2ec;opacity:0;pointer-events:none;z-index:1}
#labels{position:fixed;inset:0;pointer-events:none;z-index:2;overflow:hidden}
.lab{position:absolute;left:0;top:0;transform:translate3d(-999px,0,0);opacity:0;transition:opacity .45s var(--ease);will-change:transform}
.lab.on{opacity:1}
.lab .stem{position:absolute;left:0;bottom:0;width:1px;height:46px;background:rgba(255,255,255,.85);transform-origin:bottom;transform:scaleY(0);transition:transform .5s var(--ease)}
.lab.on .stem{transform:scaleY(1)}
.lab .bx{position:absolute;left:-1px;bottom:46px;white-space:nowrap;background:rgba(250,248,242,.94);border-left:2px solid var(--g6);padding:6px 11px 7px;font-size:12.5px;line-height:1.5;color:var(--ink);box-shadow:0 8px 24px -12px rgba(0,0,0,.35);transform:translateY(8px);transition:transform .5s var(--ease)}
.lab.on .bx{transform:none}
.lab .bx b{display:block;font-size:13.5px;color:var(--g9)}
.lab .bx b code{font-family:var(--num);font-size:11px;color:var(--g6);margin-left:6px;font-weight:400}
.lab.vil .bx{border-left:none;background:rgba(23,63,47,.88);color:#fff;padding:4px 12px;font-size:15px;font-family:var(--disp);font-weight:900;letter-spacing:.12em}
.lab.vil .stem{height:14px}.lab.vil .bx{bottom:14px}
.lab.warn .bx{border-left-color:#d0612f}
.lab.stop .bx{border-left-color:#d0612f}
.lab.stop .bx b::before{content:attr(data-n);display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:#d0612f;color:#fff;font:600 11px var(--num);margin-right:7px;vertical-align:1px}

/* ---------- 顶栏 ---------- */
header#top{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;gap:24px;padding:14px var(--gut);color:#fff;transition:background .4s,color .4s,transform .5s var(--ease);transform:translateY(-100%)}
body.ready header#top{transform:none}
header#top.solid{background:rgba(245,242,234,.86);backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3);color:var(--ink);box-shadow:0 1px 0 rgba(0,0,0,.06)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:14px;letter-spacing:.08em;font-weight:600;white-space:nowrap}
.mk{display:inline-grid;grid-template-columns:repeat(2,8px);gap:2px}
.mk i{width:8px;height:8px;background:currentColor}
.mk i:nth-child(2){background:var(--g4)}.mk i:nth-child(3){background:var(--ochre)}.mk i:nth-child(4){background:var(--g6)}
header#top:not(.solid) .mk i:nth-child(1){background:#fff}
.nav{display:flex;gap:26px;margin-left:auto;font-size:13.5px;letter-spacing:.06em}
.nav a{text-decoration:none;opacity:.78;position:relative;padding:4px 0}
.nav a:hover,.nav a.act{opacity:1}
.nav a.act::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1.5px;background:currentColor}
.pbtn{font:inherit;font-size:12.5px;letter-spacing:.08em;color:inherit;background:transparent;border:1px solid currentColor;border-radius:999px;padding:5px 14px;cursor:pointer;display:flex;align-items:center;gap:8px;opacity:.85}
.pbtn .dot{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.4}
.pbtn[aria-pressed=true]{opacity:1;background:var(--ochre);border-color:var(--ochre);color:#fff}
.pbtn[aria-pressed=true] .dot{opacity:1;background:#fff;animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.25}}
#prog{position:absolute;left:0;bottom:0;height:2px;background:var(--ochre);width:0}
#phint{position:fixed;left:50%;bottom:22px;transform:translate(-50%,30px);opacity:0;z-index:21;background:rgba(23,63,47,.92);color:#fff;font-size:13px;letter-spacing:.06em;padding:8px 18px;border-radius:999px;transition:all .5s var(--ease);pointer-events:none}
#phint.on{opacity:1;transform:translate(-50%,0)}
:focus-visible{outline:2px solid var(--ochre2);outline-offset:3px}

/* ---------- 载入 ---------- */
#loader{position:fixed;inset:0;z-index:50;display:grid;place-items:center;align-content:center;gap:18px;color:var(--g9);pointer-events:none}
#loader .curtain{position:absolute;left:0;right:0;height:50.5%;background:var(--paper);z-index:-1;transition:transform 1.25s cubic-bezier(.77,0,.18,1)}
#loader .c1{top:0}#loader .c2{bottom:0}
.ld-mark{display:grid;grid-template-columns:repeat(2,14px);gap:4px}
.ld-mark i{width:14px;height:14px;background:var(--g9);animation:ldp 1.4s var(--ease) infinite}
.ld-mark i:nth-child(2){background:var(--g4);animation-delay:.12s}.ld-mark i:nth-child(3){background:var(--ochre);animation-delay:.36s}.ld-mark i:nth-child(4){background:var(--g6);animation-delay:.24s}
@keyframes ldp{0%,100%{transform:scale(1)}40%{transform:scale(.55)}}
.ld-t{font-size:13px;letter-spacing:.3em;color:var(--muted)}
.ld-bar{width:160px;height:1px;background:var(--line)}
.ld-bar span{display:block;height:100%;width:0;background:var(--g8);transition:width .4s}
body.ready #loader .c1{transform:translateY(-101%)}
body.ready #loader .c2{transform:translateY(101%)}
body.ready #loader>div:not(.curtain){opacity:0;transition:opacity .3s}

/* ---------- 版块 ---------- */
main{position:relative;z-index:3}
section,footer{position:relative}
.stage{height:calc(var(--h,1.6) * 100vh)}
.stage .sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center;padding:80px var(--gut) 40px}
.stage .sticky.center{justify-content:center;text-align:center}
.paper{background:var(--paper);padding:clamp(80px,12vh,140px) 0;border-radius:28px 28px 0 0;box-shadow:0 -30px 60px -30px rgba(0,0,0,.25)}
.paper+.paper{border-radius:0;box-shadow:none}
.paper.alt{background:var(--paper2)}
.paper.tall{height:calc(var(--h,2) * 100vh);padding:0}
.paper.tall .sticky{position:sticky;top:0;height:100vh;display:flex;align-items:center}
.paper.deep{background:var(--g9);color:#E9EFE9;border-radius:28px 28px 0 0}
.wrap{max-width:1200px;margin:0 auto;padding:0 var(--gut)}

.kicker{display:flex;align-items:center;gap:12px;font-size:12.5px;letter-spacing:.28em;color:var(--g6);font-weight:600;margin-bottom:14px}
.kicker b{font-family:var(--num);font-size:13px;letter-spacing:.06em;color:var(--ochre);font-weight:600;padding-right:12px;border-right:1px solid currentColor}
.kicker.light{color:rgba(255,255,255,.85)}.kicker.light b{color:var(--ochre2)}
h2.disp{font-size:clamp(28px,3.4vw,46px);color:var(--g9);margin-bottom:16px}
.lead{font-size:17px;color:var(--ink2);max-width:760px}
.sec-head{margin-bottom:clamp(36px,6vh,64px)}
.fine{font-size:12.5px;color:var(--muted);line-height:1.7;margin-top:14px}
.muted-s{font-size:13px;color:var(--muted);margin:-6px 0 12px;font-family:var(--num);letter-spacing:.02em}
.center-t{text-align:center}

/* 舞台卡片 */
.card{position:relative;width:min(470px,100%);background:rgba(247,245,238,.9);backdrop-filter:blur(16px) saturate(1.2);-webkit-backdrop-filter:blur(16px) saturate(1.2);padding:30px 32px 26px;border-radius:4px;box-shadow:0 30px 60px -30px rgba(10,30,20,.45);font-size:15px;color:var(--ink2)}
.card::before{content:"";position:absolute;left:0;top:0;width:44px;height:3px;background:var(--ochre)}
.card.right{margin-left:auto}
.card h2.disp{font-size:clamp(26px,2.6vw,36px)}
.card p+p{margin-top:8px}
.card.dark{background:rgba(18,40,32,.78);color:#dfe8e2}
.card.dark h2{color:#fff}.card.dark .fine{color:rgba(255,255,255,.6)}

/* 开场 */
#hero .sticky{align-items:flex-end;padding-bottom:12vh;color:#fff}
.hero-bg{position:absolute;left:0;right:0;top:16vh;text-align:center;pointer-events:none}
.hero-bg span{font-family:var(--num);font-weight:700;font-size:17vw;line-height:1;letter-spacing:.06em;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.45);display:inline-block;opacity:0;transform:translateY(40px);transition:opacity 2.2s .5s,transform 2.4s .5s var(--ease),letter-spacing 3s .5s var(--ease)}
body.ready .hero-bg span{opacity:1;transform:none;letter-spacing:-.01em}
.hero-in{position:relative;max-width:1100px;text-shadow:0 2px 30px rgba(0,30,20,.35)}
.eyebrow{font-size:13px;letter-spacing:.34em;margin-bottom:18px;opacity:.9}
#hero h1{font-size:clamp(36px,6.4vw,92px);line-height:1.12;color:#fff}
#hero h1 .l1{display:block;font-size:.42em;letter-spacing:.4em;color:#F0E2C9;margin-bottom:.3em}
#hero h1 .l2{display:block}
.hx-chars .ch{display:inline-block;opacity:0;transform:translateY(.7em) rotate(4deg);filter:blur(6px);transition:opacity .9s var(--ease),transform 1.1s var(--ease),filter .9s}
body.ready .hx-chars .ch{opacity:1;transform:none;filter:none;transition-delay:calc(.35s + var(--i) * .045s)}
.hx{opacity:0;transform:translateY(24px);transition:opacity 1s var(--ease),transform 1.2s var(--ease)}
body.ready .hx{opacity:1;transform:none;transition-delay:calc(var(--d) * 1s + .35s)}
.hr{width:120px;height:2px;background:var(--ochre2);margin:26px 0 22px;transform-origin:left}
body.ready .hr.hx{transform:scaleX(1)}
.hr.hx{transform:scaleX(0)}
.hero-sub{font-size:clamp(15px,1.4vw,19px);max-width:620px;opacity:.95}
.hero-meta{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:22px;font-size:13.5px;letter-spacing:.06em;opacity:.85}
.hero-meta i{font-style:normal;opacity:.6}
.scroll-cue{position:absolute;right:var(--gut);bottom:40px;display:flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.24em;color:#fff}
.scroll-cue b{width:1px;height:46px;background:rgba(255,255,255,.4);position:relative;overflow:hidden}
.scroll-cue b::after{content:"";position:absolute;left:0;top:-50%;width:1px;height:50%;background:#fff;animation:cue 1.8s infinite}
@keyframes cue{to{top:100%}}

/* 指标 */
.kpis{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--g8);margin:18px 0 4px}
.kpis div{padding:12px 10px 10px 0;border-bottom:1px solid var(--line)}
.kpis div:nth-child(even){padding-left:14px;border-left:1px solid var(--line)}
.kpis b{font-family:var(--num);font-size:30px;color:var(--g8);font-weight:600;line-height:1}
.kpis small{font-size:12px;margin-left:3px;color:var(--ink2)}
.kpis span{display:block;font-size:11.5px;color:var(--muted);line-height:1.45;margin-top:6px}

/* 问题对 */
.pairs{display:grid;gap:18px}
.pair{display:grid;grid-template-columns:1fr 1.25fr;background:#fff;border-radius:4px;overflow:hidden;box-shadow:0 1px 0 rgba(0,0,0,.04)}
.pq{padding:26px 30px;border-right:1px dashed var(--line)}
.pq h3{font-size:20px;color:var(--ink);margin:8px 0 6px;font-family:var(--disp);font-weight:900}
.pq p{font-size:14.5px;color:var(--ink2)}
.pa{padding:26px 30px;background:var(--g1);position:relative}
.pa::before{content:"";position:absolute;left:-14px;top:50%;width:26px;height:26px;margin-top:-13px;background:var(--g1);transform:rotate(45deg);border-left:1px dashed var(--line);border-bottom:1px dashed var(--line)}
.pa p{font-size:15px;color:var(--ink);margin-top:8px;position:relative}
.tag{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--muted)}
.tag.g{color:var(--g6);font-weight:600;letter-spacing:.06em;position:relative}

/* 架构立体堆叠 */
.arch-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(30px,5vw,80px);align-items:center;width:100%}
.loop{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:22px 0 4px;counter-reset:l}
.loop li{counter-increment:l;font-size:13px;background:var(--g1);padding:10px 8px;text-align:center;position:relative;border-top:2px solid var(--g6)}
.loop li::before{content:"0" counter(l);display:block;font-family:var(--num);font-size:11px;color:var(--g6)}
.stack3d{perspective:1400px;perspective-origin:50% 20%;position:relative;height:min(560px,70vh)}
.ly{position:absolute;left:0;right:0;top:50%;transform-style:preserve-3d;transition:none;padding:14px 16px 16px 120px;background:rgba(255,255,255,.9);border:1px solid var(--g2);box-shadow:0 30px 50px -30px rgba(23,63,47,.45);will-change:transform}
.ly .ln{position:absolute;left:16px;top:50%;transform:translateY(-50%);font-size:12.5px;letter-spacing:.18em;color:var(--g6);font-weight:600}
.ly .row{display:grid;gap:8px}
.row.c1{grid-template-columns:1fr}.row.c2{grid-template-columns:1fr 1fr}.row.c4{grid-template-columns:repeat(4,1fr)}
.row i{font-style:normal;background:var(--g1);border:1px solid var(--g2);padding:9px 8px;text-align:center;font-size:13.5px;font-weight:600;color:var(--g9);line-height:1.4}
.row i small{display:block;font-weight:400;font-size:11.5px;color:var(--muted)}
.row.dk i{background:var(--g8);border-color:var(--g8);color:#fff}
.row.lt i{background:#fff}

/* 俯冲 */
.dive-t{max-width:640px;color:#fff;text-shadow:0 2px 24px rgba(0,30,20,.5)}
.dive-t h2.disp{color:#fff;font-size:clamp(34px,4.6vw,64px)}
.dive-t p{font-size:16px;opacity:.95}
.dive-t .kicker{justify-content:center}

/* 巡护站点 */
.stops{list-style:none;margin:6px 0 14px;border-left:1px solid var(--line)}
.stops li{position:relative;padding:7px 0 7px 18px;opacity:.38;transition:opacity .5s,transform .5s var(--ease)}
.stops li::before{content:"";position:absolute;left:-5px;top:15px;width:9px;height:9px;border-radius:50%;background:var(--line);transition:background .4s}
.stops li.on{opacity:1}
.stops li.on::before{background:#d0612f;box-shadow:0 0 0 4px rgba(208,97,47,.18)}
.stops b{font-family:var(--num);font-size:13px;color:#d0612f;margin-right:10px}
.stops span{font-weight:600;color:var(--ink);font-size:14.5px}
.stops em{display:block;font-style:normal;font-size:13px;color:var(--ink2)}
.ledger{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.ledger span{font-size:12px;text-align:center;padding:7px 2px;background:var(--g1);color:var(--g8);border-top:2px solid var(--g6)}

.dl{display:grid;grid-template-columns:72px 1fr;gap:6px 12px;margin-top:12px;font-size:14px}
.dl dt{font-weight:600;color:var(--g8)}
.tl{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:8px 0 16px;position:relative}
.tl::before{content:"";position:absolute;left:8%;right:8%;top:19px;height:1px;background:var(--g4)}
.tl div{text-align:center;position:relative}
.tl b{display:inline-block;font-family:var(--num);font-size:15px;background:#fff;border:1px solid var(--g4);padding:6px 12px;color:var(--g9)}
.tl .on b{background:var(--g8);color:#fff;border-color:var(--g8)}
.tl span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px}
.mini{display:grid;gap:8px;margin:14px 0 4px}
.mini div{background:var(--g1);padding:9px 12px;border-left:2px solid var(--g6)}
.mini b{display:block;font-size:13.5px;color:var(--g9)}
.mini span{font-size:13px}
.states{display:grid;grid-template-columns:repeat(4,1fr);margin:16px 0 12px;border:1px solid var(--line)}
.states div{text-align:center;padding:9px 4px;border-left:1px solid var(--line);background:var(--g1)}
.states div:first-child{border-left:none}
.states b{display:block;color:var(--g8);font-size:15px}
.states span{font-size:11.5px;color:var(--muted)}
.gpsmeta{display:flex;align-items:baseline;gap:8px;font-size:13px;color:var(--muted)}
.gpsmeta b{font-family:var(--num);font-size:34px;color:#2fa58c;line-height:1}

/* 截图 */
.shot{position:relative;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 40px 80px -40px rgba(20,40,30,.5),0 0 0 1px rgba(0,0,0,.05)}
.chrome{display:flex;align-items:center;gap:6px;padding:9px 14px;background:#f1f1ec;border-bottom:1px solid #e3e3dc}
.chrome i{width:9px;height:9px;border-radius:50%;background:#d8d8d0}
.chrome span{font-size:12px;color:var(--muted);margin-left:10px;letter-spacing:.04em}
.mk-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(30px,5vw,70px);align-items:start}
.mk-nums .big{border-top:1px solid var(--g8);padding:14px 0 18px}
.big b{font-family:var(--num);font-size:clamp(48px,6vw,84px);line-height:1;color:var(--g8);font-weight:600}
.big small{font-size:16px;margin-left:6px;color:var(--ink2)}
.big span{display:block;font-size:14px;color:var(--ink2);margin-top:6px}
.diff{background:var(--ochre);color:#fff;font-size:14px;padding:8px 14px;display:inline-block;margin:-4px 0 22px}
.ticks{list-style:none;display:grid;gap:10px}
.ticks li{font-size:14px;color:var(--ink2);padding-left:16px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;background:var(--g6)}
.ticks b{color:var(--ink);margin-right:8px}
.shots{position:relative;display:grid;gap:0}
.shots .s1{width:84%;position:relative;z-index:2}
.shots .s2{width:70%;position:relative;z-index:3;margin:-18% 0 0 auto}

.ops-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:clamp(24px,4vw,56px);align-items:center}
.flowv{display:grid;gap:0;border-left:2px solid var(--g6)}
.flowv div{padding:12px 0 12px 20px;position:relative;border-bottom:1px solid var(--line)}
.flowv div::before{content:"";position:absolute;left:-6px;top:20px;width:10px;height:10px;background:var(--paper);border:2px solid var(--g6);border-radius:50%}
.flowv b{display:block;color:var(--g9);font-size:15px}
.flowv span{font-size:13.5px;color:var(--ink2)}
.ana{margin-top:clamp(40px,7vh,80px);display:grid;grid-template-columns:1.2fr 1fr;gap:30px 60px;align-items:end}
.ana .fine{grid-column:1/-1}
.ana-k{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--g8)}
.ana-k div{padding:16px 0 14px;border-bottom:1px solid var(--line)}
.ana-k b{font-family:var(--num);font-size:42px;color:var(--g8);font-weight:600;line-height:1}
.ana-k small{margin-left:4px;color:var(--ink2)}
.ana-k span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
.bars div{display:grid;grid-template-columns:72px 1fr 30px;align-items:center;gap:12px;font-size:13.5px;padding:7px 0}
.bars i{height:10px;background:var(--g2);position:relative;overflow:hidden}
.bars i::after{content:"";position:absolute;inset:0;width:calc(var(--v) / 21 * 100%);background:var(--g8);transform:scaleX(0);transform-origin:left;transition:transform 1.4s var(--ease)}
.ana.in .bars i::after{transform:scaleX(1)}
.bars div:nth-child(2) i::after{transition-delay:.1s}.bars div:nth-child(3) i::after{transition-delay:.2s}.bars div:nth-child(4) i::after{transition-delay:.3s}.bars div:nth-child(5) i::after{transition-delay:.4s}
.bars b{font-family:var(--num);color:var(--g8)}

/* 共创循环 */
.cc-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,5vw,80px);align-items:center}
.cycle{position:relative;aspect-ratio:1;max-width:440px;width:100%;margin:0 auto}
.cycle svg{width:100%;height:100%;transform:rotate(-90deg)}
.cycle .trk{fill:none;stroke:var(--g2);stroke-width:2}
.cycle .arc{fill:none;stroke:var(--g8);stroke-width:3;stroke-dasharray:704;stroke-dashoffset:704;stroke-linecap:round}
.cycle.in .arc{animation:arc 7s linear infinite}
@keyframes arc{0%{stroke-dashoffset:704}70%{stroke-dashoffset:0}100%{stroke-dashoffset:0;opacity:0}}
.cn{position:absolute;transform:translate(-50%,-50%);background:var(--paper2);padding:6px 10px;font-size:14px;font-weight:600;color:var(--g9);text-align:center;white-space:nowrap}
.cn b{display:block;font-family:var(--num);font-size:12px;color:var(--ochre)}
.n1{left:50%;top:12.6%}.n2{left:87.4%;top:50%}.n3{left:50%;top:87.4%}.n4{left:12.6%;top:50%}
.cc-mid{position:absolute;inset:0;display:grid;place-content:center;text-align:center;font-size:13.5px;color:var(--ink2);line-height:1.9}
.cc-mid b{color:var(--g8);margin-right:6px}
.roles{list-style:none;display:grid;gap:2px}
.roles li{display:grid;grid-template-columns:170px 1fr;gap:16px;padding:15px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.roles b{color:var(--g9)}
.roles span{color:var(--ink2)}

/* 甘特 */
.gantt{--nm:220px;font-size:14px}
.gh,.gr{display:grid;grid-template-columns:var(--nm) repeat(12,1fr);align-items:center;position:relative}
.gh{border-bottom:1px solid var(--g8);padding-bottom:6px;margin-bottom:4px}
.gh i{font-style:normal;font-family:var(--num);color:var(--muted);text-align:center;font-size:13px}
.gr{min-height:54px;border-bottom:1px solid var(--line)}
.gr>span{font-weight:600;color:var(--g9);padding-right:14px;line-height:1.4}
.gr>span small{display:block;font-weight:400;font-size:12px;color:var(--muted)}
.bar{grid-row:1;grid-column:calc(var(--s) + 1)/calc(var(--e) + 2);height:16px;margin:0 3px;border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform 1s var(--ease);transition-delay:calc(var(--o) * .14s + .2s)}
.bar.d{background:var(--g8)}.bar.m{background:var(--g4)}.bar.l{background:var(--g2)}
.bar.dash{height:0;border-top:2px dashed var(--ochre);background:none}
.gantt.in .bar{transform:scaleX(1)}
.ms{position:relative;z-index:2;grid-row:1;grid-column:calc(var(--m) + 2)/span 3;font-style:normal;font-size:12px;color:var(--ochre);font-weight:600;white-space:nowrap;display:flex;align-items:center;gap:6px;margin-left:-6px;opacity:0;transition:opacity .6s 1.3s}
.ms::before{content:"";width:9px;height:9px;background:var(--ochre);transform:rotate(45deg)}
.ms.end{grid-column:11/14;justify-content:flex-end;margin:0 -6px 0 0;flex-direction:row-reverse;color:var(--g9)}
.gantt.in .ms{opacity:1}

/* 经费 */
.bud-n b{font-family:var(--num);font-size:clamp(70px,10vw,140px);line-height:.9;color:var(--g8);font-weight:600}
.bud-n small{font-size:20px;margin-left:8px;color:var(--ink2)}
.bud-n span{font-size:14px;color:var(--muted);margin-left:16px}
.bud-bar{display:flex;height:22px;margin:26px 0 8px;gap:2px}
.bud-bar i{width:calc(var(--w) * 1%);background:var(--c);transform:scaleY(0);transform-origin:bottom;transition:transform .8s var(--ease)}
.bud.in .bud-bar i{transform:scaleY(1)}
.bud-bar i:nth-child(2){transition-delay:.08s}.bud-bar i:nth-child(3){transition-delay:.16s}.bud-bar i:nth-child(4){transition-delay:.24s}.bud-bar i:nth-child(5){transition-delay:.32s}.bud-bar i:nth-child(6){transition-delay:.4s}
.bt{width:100%;border-collapse:collapse;font-size:14px;margin-top:16px}
.bt td{padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.bt td:first-child{font-weight:600;color:var(--g9);white-space:nowrap;padding-left:0}
.bt td:first-child i{display:inline-block;width:10px;height:10px;margin-right:10px}
.bt td:nth-child(2){font-family:var(--num);font-size:17px;text-align:right;color:var(--g8);width:70px}
.bt td:nth-child(3){color:var(--ink2)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.two div{background:#fff;padding:22px 24px;border-top:2px solid var(--g6)}
.two b{color:var(--g9);font-size:16px}
.two p{font-size:14px;color:var(--ink2);margin-top:6px}

.phases{display:grid;gap:12px;margin:10px 0 4px}
.phases div{padding:12px 0 12px 16px;border-left:2px solid rgba(227,163,95,.6)}
.phases i{font-style:normal;font-size:12px;letter-spacing:.14em;color:var(--ochre2)}
.phases b{display:block;color:#fff;font-size:16px}
.phases span{font-size:13.5px;color:#cfdcd4}

/* 尾页 */
#end{padding:clamp(100px,16vh,180px) 0 40px}
.end-in{text-align:center}
.mk.big{grid-template-columns:repeat(2,18px);gap:5px}.mk.big i{width:18px;height:18px;background:#fff}
.mk.big i:nth-child(2){background:var(--g4)}.mk.big i:nth-child(3){background:var(--ochre2)}.mk.big i:nth-child(4){background:#5E9C7C}
#end h2.disp{color:#fff;font-size:clamp(28px,4vw,52px);margin:28px 0 10px}
.end-s{letter-spacing:.3em;font-size:14px;opacity:.75}
.end-p{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 40px;margin:44px 0 30px;font-size:15px}
.pdf{display:inline-block;font-size:14px;letter-spacing:.08em;text-decoration:none;border:1px solid rgba(255,255,255,.4);padding:9px 22px;border-radius:999px;transition:background .3s}
.pdf:hover{background:rgba(255,255,255,.1)}
.legal{margin-top:clamp(70px,12vh,140px);padding-top:22px;border-top:1px solid rgba(255,255,255,.14);font-size:12.5px;opacity:.6;display:grid;gap:6px}

/* ---------- 入场揭示与视差 ---------- */
.rv{opacity:0;transform:translateY(64px);filter:blur(8px);transition:opacity 1.1s var(--ease),transform 1.3s var(--ease),filter 1.1s var(--ease);transition-delay:calc(var(--d,0) * 1s)}
.rv.in{opacity:1;transform:none;filter:none}
.sec-head.rv .disp,.card.rv .disp,.dive-t.rv .disp,.arch-text.rv .disp{display:block;transform:translateY(40%);opacity:0;transition:transform 1.3s .15s var(--ease),opacity 1s .15s}
.rv.in .disp{transform:none;opacity:1}
.card.rv{transform:translateY(90px) scale(.97)}
.pair.rv{transform:translateX(-50px)}
.pair.rv:nth-child(even){transform:translateX(50px)}
.pair.rv.in{transform:none}
.sec-head.rv .disp{display:inline-block}
[data-par]{will-change:transform}

/* ---------- 手机 ---------- */
@media (max-width:900px){
  .nav{display:none}
  .arch-wrap,.mk-grid,.ops-grid,.cc-grid,.ana{grid-template-columns:1fr}
  .stack3d{height:440px}
  .shots{min-height:0}.shots .s1{width:100%}.shots .s2{position:relative;width:86%;margin:-30% 0 0 auto;top:0}
  .pair{grid-template-columns:1fr}.pq{border-right:none;border-bottom:1px dashed var(--line)}.pa::before{display:none}
  .roles li{grid-template-columns:1fr;gap:2px}
  .gantt{--nm:120px;font-size:12.5px}.gr>span small{display:none}.ms{font-size:10.5px}
  .two{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:15px}
  header#top{padding:10px 16px;gap:10px}
  .brand span:last-child{font-size:12.5px;letter-spacing:.04em}
  .pbtn{display:none}
  .stage .sticky{align-items:flex-end;padding:70px 16px 18px}
  .card{padding:20px 18px 16px;font-size:14px;max-height:62vh;overflow:auto}
  .card.right{margin-left:0}
  .kpis{grid-template-columns:repeat(2,1fr)}.kpis div{border-right:none;border-bottom:1px solid var(--line);padding-left:0!important}
  .kpis b{font-size:26px}
  .ly{padding:10px 10px 10px 10px}.ly .ln{position:static;transform:none;display:block;margin-bottom:6px}
  .row.c4{grid-template-columns:1fr 1fr}
  .loop{grid-template-columns:1fr 1fr}
  .lab .bx{font-size:11px;padding:4px 8px}.lab .bx b{font-size:12px}
  .lab .stem{height:28px}.lab .bx{bottom:28px}
  #hero h1{font-size:7.4vw}
  #hero h1 .l1{letter-spacing:.25em;font-size:.6em}
  .card .fine{display:none}
  .card{max-height:58vh}
  .hero-bg span{font-size:22vw}
  .scroll-cue{display:none}
  .bt td:nth-child(3){display:none}
  .bud-n span{display:block;margin:8px 0 0}
  .gantt{--nm:96px}.ms{display:none}
  .ana-k b{font-size:32px}
  .stops em{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  .rv .disp,.rv,.hx,.hx-chars .ch,.hero-bg span{transition:none!important;opacity:1!important;transform:none!important;clip-path:none!important;filter:none!important}
  .cycle.in .arc{animation:none;stroke-dashoffset:0}
}

body.no-gl #gl{display:none}body.no-gl .stage{background:linear-gradient(160deg,#3d5a4a,#173F2F)}