/* BIANSI refined visual system — editable overrides. */
:root{--color-bg:#090b10;--color-surface:#12151c;--color-surface-2:#191d27;--color-surface-3:#242936;--color-line:#2a303c;--color-line-strong:#404858;--color-text:#f5f3ec;--color-text-muted:#a1a7b5;--color-gold:#f4c44e;--color-text-gold:#f4c44e;--color-gold-hover:#ffdb80;--radius-card:18px;--radius-input:10px;--max-width:82rem;--nav-h:5rem}
body{background-image:radial-gradient(ellipse at 75% 8%,#b5821a17,transparent 28%),radial-gradient(ellipse at 8% 35%,#405e9d0b,transparent 35%)}
body::before{background-size:80px 80px;opacity:.45}
.nav{background:#090b10e8;backdrop-filter:blur(18px);border-color:#ffffff0d}
.nav-in{gap:18px}.nav .mark{width:34px;height:34px}.lk-zh{font-size:24px}.lk-en{font-size:13px;letter-spacing:.06em}.nav-links{gap:22px}.nav-links a:hover{color:var(--color-gold)}
.nav .bilu-ca-chip{display:none}.nav .lk-tag{display:none}.nav .btn{font-size:14px}.nav .lang-toggle{border-color:var(--color-line);border-radius:8px}
.btn{min-height:48px;padding-inline:25px;transition:transform .2s,background .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}.btn-gold{background:linear-gradient(120deg,#ffdc77,#eeb735);box-shadow:0 6px 24px #d8a52918}.btn-ghost{background:#ffffff03;border-color:#424754}.btn-gold:hover{box-shadow:0 9px 28px #d8a52930}
.hero-in{gap:28px;padding-top:48px;padding-bottom:48px}.hero .copy{gap:24px}.kicker{letter-spacing:.14em;font-size:12px}.hero .kicker:before{content:"";display:inline-block;width:20px;height:2px;vertical-align:middle;background:var(--color-gold);margin-right:10px}
.hero .h1>[data-i18n="h1"]{font-size:clamp(2.8rem,5.3vw,5rem);line-height:1.16;letter-spacing:-.035em}.hero .sub{color:#aeb4c1;font-size:16px;line-height:1.95;max-width:31rem}.hero .cta{gap:14px;align-content:start}.hero .cta .btn{flex:0 1 auto}.ffa{background:#151820;border:1px solid #f4c44e25;border-left:2px solid var(--color-gold);border-radius:10px;padding:16px;font-size:12px;line-height:1.8;color:#aeb4c1}
.hero-contract{grid-area:contract;min-width:0;align-self:start}.contract-label{display:block;color:#939ba9;font-size:10px;letter-spacing:.16em;margin-bottom:9px}.contract-button{width:100%;max-width:33rem;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:15px 16px;background:linear-gradient(120deg,#f4c44e0e,#f4c44e03);border:1px solid #f4c44e40;border-radius:12px;text-align:left;color:#f4cc67;font-size:13px}.contract-button code{font-size:12px;overflow-wrap:anywhere;word-break:break-all}.ca-copy-icon{font-size:20px;flex:none}.ca-copy:hover{border-color:var(--color-gold);background-color:#f4c44e0c}.ca-copy:focus-visible{outline:2px solid var(--color-gold);outline-offset:4px}
.hero .stage{background:radial-gradient(ellipse at center,#e8b63b12,transparent 67%);margin:0;min-width:0}.hero .stage:before{border-color:#f4c44e25;box-shadow:0 0 70px #e6b24810}.hero .stage:after{border-color:#f4c44e15}.jz .bilu-character{filter:drop-shadow(0 14px 22px #0008)}.tag-quiet{border-radius:5px;padding:3px 8px;background:#232834}.hero .jz-hint{bottom:6px}
.stats{border-color:#f4c44e24;background:linear-gradient(135deg,#1c1d24,#12151c);padding:26px;gap:22px;box-shadow:0 18px 50px #0002}.stats .st-v{font-size:32px;letter-spacing:-.04em}.stats .st-l{font-size:12px;color:#b3b9c5}.stats .st-sub{margin:6px 0}
.feedcard,.nowbox,.board-card,.drops-card,.teaser-card,.tbl-wrap,.dk-panel{border:1px solid var(--color-line);border-radius:18px;background:linear-gradient(145deg,#191d26,#11141b);box-shadow:0 15px 50px #0002;overflow:hidden}.feedcard{padding:24px}.fc-head{padding-bottom:18px;border-bottom:1px solid var(--color-line)}.mf>li{padding-block:17px}.hero .mf{max-height:310px;overflow:auto;scrollbar-width:thin;scrollbar-color:#414856 transparent}.bilu-data-source{color:#939baa;font-size:11px;margin-top:16px}
.stepsbox{padding:26px;border:1px solid var(--color-line);border-radius:18px;background:#11141b}.stepsbox h2{color:#ddd8c9;font-size:14px;letter-spacing:.08em;margin-bottom:8px}.step{padding:18px 0;gap:8px 16px}.step .n{font-size:20px;font-weight:600}.step b{font-size:15px}.step .d{font-size:12px;line-height:1.7}
.scene:not(.hero){border-color:#ffffff0a}.scene-in{padding-block:90px}.scene .eyebrow{margin-bottom:20px}.h2{line-height:1.3;letter-spacing:-.03em}.lead{line-height:1.9}.post{border-color:var(--color-line)}.post:hover,.lrow:hover{background:#ffffff03}.bilu-abilities{border-radius:18px;margin:30px 0 0;border-color:#f4c44e30}.soon{border-radius:14px}.seg button{padding-inline:10px}.how-list li{padding-block:26px}.foot{border-color:var(--color-line);background:#0b0e14}.foot-cta{margin-block:28px}.bilu-ca-chip{max-width:100%;white-space:normal;overflow-wrap:anywhere;word-break:break-all;padding:12px 14px;gap:12px;border-radius:10px;font-size:12px;color:#f4cc67}.bilu-ca-chip .mono{font-size:12px}.ca-toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);z-index:999;background:#f4c44e;color:#16120b;padding:12px 24px;border-radius:12px;box-shadow:0 8px 40px #0008;font-size:14px;max-width:90vw;text-align:center}
@media(min-width:1024px){.hero-in{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);grid-template-areas:"copy stage" "contract stage" "cta stage" "stats stats" "steps feed" "disc disc";column-gap:64px;row-gap:24px;padding-top:64px}.hero .stage{height:540px;grid-row:span 3;align-self:center;--av:3.5rem;--jz-w:18rem}.hero .stats{grid-template-columns:repeat(4,1fr);margin-top:16px}.stat+.stat{border-left:1px solid #ffffff10;padding-left:28px}.steps{grid-template-columns:1fr}.hero .feedcard{align-self:stretch}.hero .hero-disc{text-align:center}.nav-in{padding-inline:32px}}
@media(min-width:768px) and (max-width:1023px){.hero-in{grid-template-columns:1fr 1fr;grid-template-areas:"copy stage" "contract contract" "cta cta" "stats stats" "steps feed" "disc disc"}.hero .stage{height:420px}.hero .h1>[data-i18n="h1"]{font-size:46px}.stats{grid-template-columns:repeat(4,1fr)}}
@media(max-width:767px){:root{--nav-h:4.3rem;--gutter:20px}.nav-in{gap:10px}.nav .mark{width:28px;height:28px}.lk-zh{font-size:21px}.lk-en{font-size:11px}.hero-in{grid-template-areas:"copy" "contract" "cta" "stage" "stats" "steps" "feed" "disc";padding-top:32px;gap:24px}.hero .copy{gap:18px}.hero .h1>[data-i18n="h1"]{font-size:clamp(40px,10vw,62px)}.hero .sub{font-size:14px}.contract-button{font-size:12px;padding:13px}.contract-button code{font-size:11px}.hero .cta .btn{flex:1;min-width:120px;font-size:14px}.hero .stage{height:390px;--av:2.7rem;--jz-w:13rem;margin-block:8px 16px}.stats{padding:23px;gap:24px}.stats .st-v{font-size:28px}.stepsbox,.feedcard{padding:22px}.scene-in{padding-block:56px}.h2{font-size:30px}.bilu-ca-chip{font-size:10px}.bilu-ca-chip .mono{font-size:10px}.ca-toast{bottom:90px}.hero .mf{max-height:340px}.foot .foot-row{gap:20px}.foot-cta{display:flex;flex-wrap:wrap;gap:12px}}
@media(prefers-reduced-motion:reduce){.btn{transition:none}.btn:hover{transform:none}}
.community-agents{margin:38px 0 40px}.community-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.community-head h3{font-size:clamp(22px,3vw,30px);margin-top:8px;letter-spacing:-.03em}.community-count{font-size:11px;color:#8f98a9;letter-spacing:.1em;white-space:nowrap}.community-agent-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.community-agent{text-align:left;min-width:0;border:1px solid #343b47;border-radius:18px;overflow:hidden;background:linear-gradient(145deg,#1b202a,#11141b);transition:transform .25s,border-color .25s,box-shadow .25s}.community-agent:hover{transform:translateY(-6px);border-color:var(--agent-accent);box-shadow:0 20px 48px #0004}.community-agent-art{position:relative;aspect-ratio:1;overflow:hidden;background:#242b30}.community-agent-art img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}.community-agent:hover img{transform:scale(1.035)}.community-agent-art:after{content:"";position:absolute;inset:50% 0 0;background:linear-gradient(transparent,#10131ac9);pointer-events:none}.agent-number,.agent-type{position:absolute;z-index:1;font-size:10px;letter-spacing:.1em;background:#10131aca;backdrop-filter:blur(8px);border:1px solid #ffffff25;border-radius:5px;padding:5px 8px}.agent-number{top:14px;left:14px;color:#fff}.agent-type{bottom:14px;right:14px;color:var(--agent-accent)}.community-agent-body{padding:22px}.agent-role{font-size:11px;letter-spacing:.1em;color:var(--agent-accent)}.community-agent h3{font-size:24px;margin-top:5px;color:#f5f3ed;line-height:1.4}.agent-en{font-size:10px;letter-spacing:.16em;color:#929cad}.agent-quote{font-size:13px;line-height:1.8;color:#c6ccd7;margin:18px 0}.agent-tags{display:flex;gap:6px;flex-wrap:wrap}.agent-tags span{font-size:10px;color:#b7c0ce;border:1px solid #ffffff14;padding:3px 7px;border-radius:5px;background:#ffffff04}.agent-open{display:flex;justify-content:space-between;border-top:1px solid #ffffff10;margin-top:20px;padding-top:15px;font-size:12px;color:#eee3c9}.agent-open>span{color:var(--agent-accent);font-size:17px}.community-note{font-size:11px;color:#8d96a7;margin-top:14px}.community-dialog{width:min(90vw,700px);padding:0;border:1px solid #f4c44e55;border-radius:22px;background:#141820;color:#f5f3ed;box-shadow:0 30px 100px #0009;max-height:88dvh;overflow:auto}.community-dialog::backdrop{background:#030509cb;backdrop-filter:blur(10px)}.community-close{position:absolute;right:14px;top:14px;z-index:2;background:#0c101cdd;border:1px solid #ffffff30;border-radius:50%;width:36px;height:36px;font-size:24px;color:white;line-height:1}.community-profile{display:grid;grid-template-columns:44% 1fr}.community-profile>img{width:100%;height:100%;object-fit:cover;min-height:350px}.community-profile-info{padding:44px 28px 30px}.community-profile-info h2{font-size:29px;line-height:1.4;margin:8px 0}.community-profile-info .agent-quote{color:#f4cc67;font-size:16px}.community-profile-info .profile-bio{font-size:14px;line-height:1.9;color:#b2bac8;margin-bottom:22px}.profile-state{font-size:11px;color:#96a0b2;border-top:1px solid #ffffff18;margin-top:24px;padding-top:14px}
@media(max-width:767px){.community-agent-grid{grid-template-columns:1fr;gap:22px}.community-head{align-items:start}.community-count{display:none}.community-agent-art{aspect-ratio:1.12}.community-agent-body{padding:22px}.community-profile{grid-template-columns:1fr}.community-profile>img{height:260px;min-height:0;object-position:center 30%}.community-profile-info{padding:26px}.community-dialog{max-width:400px}}@media(prefers-reduced-motion:reduce){.community-agent,.community-agent-art img{transition:none}.community-agent:hover,.community-agent:hover img{transform:none}}

.hero-static-portrait{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:48%;height:66%;object-fit:cover;object-position:center top;border-radius:110px;border:1px solid #f4c44e40;box-shadow:0 20px 70px #0008;z-index:3;pointer-events:none}

/* Stable layout: no travelling mascot, layout-size transitions or delayed headings. */
html{scrollbar-gutter:stable}
.hero .hero-in{grid-auto-flow:row;grid-auto-rows:auto;align-items:start}
.hero .stage{grid-row:auto;overflow:hidden;isolation:isolate}
.hero .copy,.hero .cta,.hero-contract,.hero .stats,.hero .feedcard,.hero .stepsbox{min-width:0}
.hero .jz-hint,.flight,.jz-travel,.jz-say{display:none!important}
.js .h2 .ln>span,.js .is-in .h2 .ln>span{transform:none!important;transition:none!important}
.reveal-rows .lrow,.reveal-rows .trow{opacity:1!important;transform:none!important}
.hero .stage:after,.hero .av .eyes,.hero .av .acc,.hero .av .acc2{animation:none!important}
.hero .hero-static-portrait{width:46%;height:64%;max-width:280px}
.community-agents{scroll-margin-top:110px}.scene{scroll-margin-top:90px}
@media(min-width:1024px){.hero .stage{grid-column:2;grid-row:1 / 4;height:540px;align-self:center}.hero .hero-in{grid-template-rows:auto auto auto auto auto auto}}
@media(min-width:768px) and (max-width:1023px){.hero .stage{grid-column:2;grid-row:1;height:420px}}
@media(max-width:767px){.hero .stage{grid-column:auto;grid-row:auto;height:360px;--av:2.2rem}.hero .hero-static-portrait{width:45%;height:62%}.community-agent-art img{aspect-ratio:1;width:100%;height:100%}.community-head h3{line-height:1.45}}

.community-orbit .ci-av img{width:100%;height:100%;display:block;object-fit:cover;border-radius:12px;border:1px solid #f4c44e80;box-shadow:0 4px 18px #0005}.community-orbit .ci-n{white-space:nowrap;font-size:11px}.hero .ring{z-index:4}.hero .cast-item{cursor:pointer}.hero .ci-name{position:relative;z-index:1}