:root{
  color-scheme:dark;
  --void:#04070D;--void-2:#070C16;--surface:#0A1322;--surface-2:#0D1A2C;
  --ink:#E9FBF4;--muted:#7FA496;--soft:rgba(233,251,244,.74);
  --cyan:#45E6FF;--green:#43FFA3;--lime:#9BFF6A;--rose:#FF6B82;
  --line:rgba(180,255,230,.10);--line-strong:rgba(69,230,255,.34);
  --grad:linear-gradient(120deg,var(--cyan),var(--green));
  --grad-soft:linear-gradient(120deg,rgba(69,230,255,.18),rgba(67,255,163,.18));
  --shadow:0 26px 80px rgba(0,0,0,.6);
  --display:"Space Grotesk","Noto Sans SC",system-ui,sans-serif;
  --hud:"Orbitron","Space Grotesk",sans-serif;
  --body:"Noto Sans SC","Space Grotesk",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--void);color:var(--ink);font-family:var(--body);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-family:var(--display);font-weight:700;letter-spacing:-.01em;line-height:1.08}
::selection{background:rgba(67,255,163,.3);color:#fff}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}

/* ===== background ===== */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-base{position:absolute;inset:-20%;
  background:
    radial-gradient(60% 50% at 12% 6%,rgba(69,230,255,.16),transparent 60%),
    radial-gradient(55% 45% at 88% 2%,rgba(67,255,163,.16),transparent 60%),
    radial-gradient(80% 70% at 50% 130%,rgba(67,255,163,.10),transparent 60%),
    var(--void);}
.bg-grid{position:absolute;inset:0;
  background-image:linear-gradient(rgba(69,230,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(69,230,255,.05) 1px,transparent 1px);
  background-size:60px 60px;mask-image:radial-gradient(85% 75% at 50% 20%,#000 30%,transparent 100%);
  animation:gridDrift 26s linear infinite}
@keyframes gridDrift{to{background-position:0 60px}}
.bg-fall{position:absolute;inset:0;mix-blend-mode:screen}
.bg-scan{position:absolute;inset:0;opacity:.55;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.02) 0,rgba(255,255,255,.02) 1px,transparent 1px,transparent 3px);
  animation:scan 7s linear infinite}
@keyframes scan{to{background-position:0 3px}}

/* ===== boot overlay ===== */
.boot{position:fixed;inset:0;z-index:200;background:var(--void);
  display:flex;align-items:center;justify-content:center;transition:opacity .6s ease,transform .6s ease;
  animation:bootFailsafe .5s ease 6s forwards}
@keyframes bootFailsafe{to{opacity:0;visibility:hidden;pointer-events:none}}
.boot.done{opacity:0;transform:scale(1.04);pointer-events:none}
.boot-inner{width:min(620px,86vw);padding:0 22px}
.boot-bar{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;letter-spacing:.2em;
  color:var(--cyan);margin-bottom:16px;text-transform:uppercase}
.boot-bar::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);animation:breathe 1.4s ease-in-out infinite}
.boot-log{font-family:var(--mono);font-size:13px;line-height:1.9;color:var(--soft);white-space:pre-wrap;margin:0;min-height:180px}
.boot-log .ok{color:var(--green)}
.boot-cur{display:inline-block;width:9px;height:16px;background:var(--cyan);vertical-align:-2px;animation:blink 1s steps(1) infinite}

/* ===== nav ===== */
.shell{position:relative;z-index:2}
.nav{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px clamp(16px,5vw,48px);background:rgba(4,7,13,.45);backdrop-filter:blur(10px) saturate(1.15);
  border-bottom:1px solid var(--line);transition:background .35s,border-color .35s}
.nav.is-scrolled{background:rgba(4,7,13,.88);border-bottom-color:var(--line-strong)}
.nav::after{content:"";position:absolute;left:0;bottom:-1px;height:1px;width:100%;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--green),transparent);
  opacity:.55;animation:navline 6s linear infinite;background-size:200% 100%}
@keyframes navline{to{background-position:200% 0}}
.wordmark{font-family:var(--hud);font-weight:900;font-size:19px;letter-spacing:.2em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{font-size:13.5px;color:var(--muted);padding:8px 12px;border-radius:999px;transition:color .2s,background .2s;letter-spacing:.02em}
.nav-links a:hover{color:var(--ink);background:rgba(67,255,163,.08)}
.nav-right{display:flex;align-items:center;gap:12px}
.live-pill{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;
  color:var(--soft);padding:7px 13px;border-radius:999px;border:1px solid var(--line-strong);background:rgba(69,230,255,.07);white-space:nowrap}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);animation:breathe 2.2s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}
.burger{display:none;width:40px;height:38px;border-radius:10px;border:1px solid var(--line);background:rgba(233,251,244,.04);cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.nav.open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .burger span:nth-child(2){opacity:0}
.nav.open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== HUD corners ===== */
.hud-corner{position:fixed;z-index:55;font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  color:rgba(127,164,150,.6);text-transform:uppercase;pointer-events:none}
.hud-corner.bl{left:clamp(16px,5vw,48px);bottom:16px}
.hud-corner.br{right:clamp(16px,5vw,48px);bottom:16px}
.hud-corner .rec{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--rose);
  box-shadow:0 0 8px var(--rose);margin-left:6px;vertical-align:middle;animation:blink 1.3s steps(1) infinite}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(18px,5vw,48px)}
.section{padding:clamp(72px,11vw,140px) 0;position:relative}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--cyan);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.eyebrow::before{content:"▸ ";color:var(--green)}
.eyebrow::after{content:"▋";color:var(--green);animation:blink 1.1s steps(1) infinite;margin-left:1px}
.section-title{font-size:clamp(1.7rem,3.6vw,2.7rem)}
.section-sub{color:var(--muted);margin-top:12px;max-width:60ch}

/* ===== hero ===== */
.hero{position:relative;min-height:100vh;min-height:100dvh;display:flex;align-items:center;padding-top:90px;overflow:hidden}
.hero-floor{position:absolute;left:0;right:0;bottom:0;height:55vh;overflow:hidden;perspective:240px;
  mask-image:linear-gradient(transparent,#000 38%);
  opacity:0;transform:scaleY(.15);transform-origin:bottom center;
  transition:opacity 1s ease,transform 1.3s cubic-bezier(.2,.7,.2,1)}
.hero-floor.lit{opacity:1;transform:none}
.hero-floor::before{content:"";position:absolute;left:-60%;right:-60%;top:-40%;bottom:-70%;
  transform:rotateX(75deg);transform-origin:50% 100%;
  background-image:linear-gradient(rgba(69,230,255,.7) 2px,transparent 2px),
    linear-gradient(90deg,rgba(67,255,163,.55) 2px,transparent 2px);
  background-size:64px 64px;animation:floor 5.5s linear infinite;
  filter:drop-shadow(0 0 8px rgba(69,230,255,.6))}
@keyframes floor{to{background-position:0 64px}}
.hero-horizon{position:absolute;left:0;right:0;bottom:55vh;height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--green),transparent);
  box-shadow:0 0 34px var(--cyan),0 0 90px rgba(67,255,163,.85);
  opacity:0;transition:opacity .9s ease}
.hero-horizon.lit{opacity:1}
.hero-horizon::after{content:"";position:absolute;left:0;right:0;top:2px;height:140px;
  background:linear-gradient(180deg,rgba(69,230,255,.2),transparent)}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:0 clamp(18px,5vw,48px);width:100%;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;
  color:var(--soft);padding:8px 15px;border-radius:999px;border:1px solid var(--line-strong);background:var(--grad-soft);margin-bottom:28px}
.hero h1{font-size:clamp(2.5rem,6.8vw,5.3rem);line-height:1.05;letter-spacing:-.025em;max-width:16ch;min-height:1.1em}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 22px rgba(69,230,255,.45)) drop-shadow(0 0 44px rgba(67,255,163,.32))}
.caret{display:inline-block;width:.5ch;color:var(--green);font-size:.62em;line-height:1;vertical-align:.14em;
  animation:blink 1s steps(1) infinite;font-weight:400;filter:drop-shadow(0 0 8px var(--green))}
.hero-sub{margin-top:24px;font-size:clamp(1rem,1.5vw,1.18rem);color:var(--soft);max-width:46ch;line-height:1.7}
.hero-sub b{color:var(--ink);font-weight:500}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--body);font-weight:500;font-size:15px;
  padding:14px 26px;border-radius:14px;cursor:pointer;border:1px solid transparent;transition:transform .2s,box-shadow .3s,background .3s}
.btn-primary{background:var(--grad);color:#04121b;box-shadow:0 10px 30px rgba(67,255,163,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 50px rgba(69,230,255,.5)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:rgba(69,230,255,.05)}
.btn-ghost:hover{background:rgba(67,255,163,.1)}
.btn .arrow{transition:transform .2s}.btn:hover .arrow{transform:translateX(4px)}
.hero-chips{display:flex;flex-wrap:wrap;gap:14px;margin-top:46px}
.chip{position:relative;display:flex;flex-direction:column;gap:4px;padding:16px 22px;border-radius:14px;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.01));min-width:140px;overflow:hidden}
.chip::after{content:"";position:absolute;left:0;top:0;height:2px;width:100%;background:var(--grad)}
.chip .num{font-family:var(--mono);font-weight:700;font-size:1.7rem;color:var(--ink);letter-spacing:-.02em}
.chip .num .blk{color:var(--green);animation:blink 1.1s steps(1) infinite;font-weight:400}
.chip .lab{font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.scroll-cue{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:8px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.25em;color:var(--muted)}
.scroll-cue .rail{width:22px;height:36px;border:1px solid var(--line-strong);border-radius:12px;position:relative;overflow:hidden}
.scroll-cue .rail::before{content:"";position:absolute;left:50%;top:6px;width:4px;height:8px;margin-left:-2px;border-radius:3px;
  background:var(--cyan);box-shadow:0 0 8px var(--cyan);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%{transform:translateY(0);opacity:0}30%{opacity:1}100%{transform:translateY(16px);opacity:0}}

/* ===== HUD card brackets ===== */
.hud{position:relative}
.hud::before,.hud::after{content:"";position:absolute;width:15px;height:15px;pointer-events:none;opacity:.6}
.hud::before{left:10px;top:10px;border-left:2px solid var(--cyan);border-top:2px solid var(--cyan)}
.hud::after{right:10px;bottom:10px;border-right:2px solid var(--green);border-bottom:2px solid var(--green)}

/* ===== projects ===== */
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:46px}
.proj-card{position:relative;padding:34px 30px;border-radius:18px;border:1px solid var(--line);
  background:linear-gradient(180deg,var(--surface),var(--void-2));overflow:hidden;
  transition:transform .35s cubic-bezier(.2,.7,.2,1),border-color .35s,box-shadow .35s}
.proj-card .frame{position:absolute;inset:0;border-radius:18px;padding:1px;background:var(--grad);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .35s}
.proj-card .glow{position:absolute;width:220px;height:220px;right:-60px;top:-60px;border-radius:50%;
  background:radial-gradient(circle,rgba(67,255,163,.18),transparent 70%);opacity:0;transition:opacity .4s}
.proj-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.proj-card:hover .frame{opacity:.95}.proj-card:hover .glow{opacity:1}
.tag{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);
  padding:5px 11px;border-radius:999px;border:1px solid var(--line-strong);background:rgba(69,230,255,.06);display:inline-block}
.proj-card h3{font-size:1.35rem;margin-top:18px}
.proj-card p{color:var(--muted);margin-top:10px;font-size:14.5px;line-height:1.65}
.proj-index{position:absolute;right:24px;bottom:20px;font-family:var(--hud);font-size:14px;color:rgba(127,164,150,.45);letter-spacing:.1em}

/* ===== board ===== */
.board-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:46px}
.board-card{position:relative;padding:30px 28px;border-radius:18px;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(13,26,44,.92),rgba(7,12,22,.96));box-shadow:inset 0 1px 0 rgba(233,251,244,.04)}
.board-card .sweep{position:absolute;top:0;left:-40%;width:40%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(67,255,163,.1),transparent);animation:sweep 5.5s ease-in-out infinite;pointer-events:none}
@keyframes sweep{0%{left:-40%}55%,100%{left:130%}}
.board-status{position:absolute;right:24px;top:24px;font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  color:var(--green);border:1px solid rgba(67,255,163,.3);border-radius:6px;padding:3px 8px}
.board-tag{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--green);
  padding:5px 11px;border-radius:999px;border:1px solid rgba(67,255,163,.3);background:rgba(67,255,163,.08);display:inline-block}
.board-card h3{font-size:1.3rem;margin-top:16px}
.board-summary{color:var(--muted);margin-top:8px;font-size:14px;line-height:1.6}
.board-metrics{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px;padding-top:20px;border-top:1px dashed var(--line)}
.metric{display:flex;flex-direction:column;gap:3px}
.metric-value{font-family:var(--mono);font-weight:700;font-size:1.55rem;color:var(--ink);letter-spacing:-.02em}
.metric-label{font-size:12px;color:var(--muted);letter-spacing:.03em}
.board-records{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.record{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;font-family:var(--mono);font-size:13px;
  padding:9px 14px;border-radius:10px;background:rgba(255,255,255,.025);border:1px solid var(--line)}
.record-date{color:var(--muted);display:flex;align-items:center;gap:8px}
.record-event{color:var(--soft)}.record-pnl{font-weight:700}
.record-win{border-color:rgba(155,255,106,.22)}.record-win .record-pnl{color:var(--lime)}
.record-loss{border-color:rgba(255,107,130,.22)}.record-loss .record-pnl{color:var(--rose)}
.record .dot{width:7px;height:7px;border-radius:50%}
.record-win .dot{background:var(--lime);box-shadow:0 0 8px rgba(155,255,106,.6)}
.record-loss .dot{background:var(--rose);box-shadow:0 0 8px rgba(255,107,130,.6)}
.soon{margin-top:20px;font-family:var(--mono);font-size:12px;color:var(--muted);display:flex;align-items:center;gap:10px}
.soon .bar{flex:1;height:4px;border-radius:3px;background:rgba(233,251,244,.06);overflow:hidden}
.soon .bar i{display:block;height:100%;width:40%;background:var(--grad);border-radius:3px;animation:load 2.6s ease-in-out infinite}
@keyframes load{0%{transform:translateX(-110%)}100%{transform:translateX(260%)}}

/* ===== blog ===== */
.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:46px}
.blog-card{display:flex;flex-direction:column;gap:12px;padding:28px;border-radius:16px;border:1px solid var(--line);
  background:linear-gradient(180deg,var(--surface),var(--void-2));transition:transform .3s,border-color .3s,box-shadow .3s}
.blog-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.blog-meta{font-family:var(--mono);font-size:12px;color:var(--cyan);letter-spacing:.05em}
.blog-card h3{font-size:1.2rem;line-height:1.35}
.blog-card p{color:var(--muted);font-size:14px;margin:0;line-height:1.6}
.blog-more{font-size:13.5px;color:var(--soft);margin-top:auto;font-weight:500}
.blog-card:hover .blog-more{color:var(--green)}

/* ===== video ===== */
.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:46px}
.video-card{position:relative;aspect-ratio:16/9;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:radial-gradient(120% 100% at 30% 0%,rgba(69,230,255,.1),transparent 60%),linear-gradient(180deg,var(--surface-2),var(--void-2));
  display:flex;align-items:center;justify-content:center}
.vc-inner{display:flex;flex-direction:column;align-items:center;gap:12px;color:var(--muted);font-size:13px;font-family:var(--mono);letter-spacing:.12em}
.vc-inner .play{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-strong);background:rgba(69,230,255,.08);color:var(--cyan);font-size:17px}

/* ===== contact ===== */
.closing{position:relative;text-align:center;padding:clamp(80px,12vw,150px) 0;overflow:hidden}
.closing::before{content:"";position:absolute;inset:0;
  background:radial-gradient(60% 90% at 50% 120%,rgba(69,230,255,.18),transparent 60%),
            radial-gradient(50% 80% at 50% -20%,rgba(67,255,163,.18),transparent 60%)}
.closing-inner{position:relative}
.closing h2{font-size:clamp(2rem,5vw,3.4rem)}
.closing h2 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.contact-card{display:inline-flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}
.contact-item{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:14.5px;padding:14px 22px;border-radius:14px;
  border:1px solid var(--line);background:rgba(233,251,244,.03);color:var(--ink);transition:border-color .25s,background .25s,transform .2s}
.contact-item:hover{border-color:var(--line-strong);background:rgba(67,255,163,.07);transform:translateY(-2px)}
.contact-item .k{color:var(--muted);font-size:12px}
.foot{margin-top:52px;color:rgba(127,164,150,.6);font-size:12.5px;font-family:var(--mono);letter-spacing:.05em}

/* ===== nav clock ===== */
.nav-clock{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--muted);
  padding:7px 11px;border-radius:999px;border:1px solid var(--line);background:rgba(233,251,244,.03);white-space:nowrap}
.nav-clock b{color:var(--cyan);font-weight:500}
.nav-clock .z{color:rgba(127,164,150,.55)}
@media(max-width:1024px){.nav-clock{display:none}}

/* ===== data-bus divider ===== */
.data-bus{position:relative;height:1px;margin-bottom:48px;background:linear-gradient(90deg,transparent,var(--line) 20%,var(--line) 80%,transparent)}
.data-bus::before,.data-bus::after{content:"";position:absolute;top:-2.5px;width:6px;height:6px;border-radius:50%}
.data-bus::before{left:0;background:var(--cyan);box-shadow:0 0 9px var(--cyan)}
.data-bus::after{right:0;background:var(--green);box-shadow:0 0 9px var(--green)}
.data-bus .pulse{position:absolute;top:-1.5px;left:0;width:64px;height:4px;border-radius:4px;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--green),transparent);animation:bus 4.5s linear infinite}
@keyframes bus{0%{left:-64px;opacity:0}8%{opacity:1}92%{opacity:1}100%{left:100%;opacity:0}}
.data-bus .code{position:absolute;left:14px;top:6px;font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:rgba(127,164,150,.5)}

/* ===== board sparkline ===== */
.spark{position:relative;margin-top:20px;height:44px}
.spark svg{width:100%;height:100%;display:block;overflow:visible}
.spark .ln{fill:none;stroke-width:2;stroke-linejoin:round;stroke-linecap:round;stroke-dasharray:2400;stroke-dashoffset:2400}
.board-card.in .spark .ln{animation:draw 1.7s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.spark .end{fill:var(--green);filter:drop-shadow(0 0 5px var(--green));opacity:0}
.board-card.in .spark .end{opacity:1;animation:pulseDot 1.8s ease-in-out infinite 1.5s}
@keyframes pulseDot{0%,100%{r:3}50%{r:4.6}}
.spark .lbl{position:absolute;right:2px;top:-15px;font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--green);opacity:.85}

/* ===== contact radar ===== */
.radar{position:absolute;left:50%;top:46%;width:0;height:0;z-index:0;pointer-events:none}
.radar span{position:absolute;left:50%;top:50%;width:560px;height:560px;margin:-280px 0 0 -280px;
  border:1px solid rgba(67,255,163,.4);border-radius:50%;transform:scale(.06);opacity:0;animation:radar 4.5s ease-out infinite}
.radar span:nth-child(2){animation-delay:1.5s}.radar span:nth-child(3){animation-delay:3s}
@keyframes radar{0%{transform:scale(.06);opacity:.7}80%{opacity:.06}100%{transform:scale(1);opacity:0}}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:860px){
  .nav-links{position:fixed;top:64px;left:12px;right:12px;flex-direction:column;align-items:stretch;gap:2px;padding:10px;border-radius:16px;
    background:rgba(6,11,21,.96);backdrop-filter:blur(16px);border:1px solid var(--line);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.28s}
  .nav.open .nav-links{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{padding:13px 14px;font-size:15px}
  .burger{display:flex}.live-pill .live-txt{display:none}.hud-corner{display:none}
  .proj-grid,.board-grid,.blog-grid,.video-grid{grid-template-columns:1fr}
}
@media(max-width:520px){.hero-chips .chip{min-width:calc(50% - 5px);flex:1}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}.boot{display:none}
  .hero-floor{opacity:1;transform:none}.hero-horizon{opacity:1}
  .spark .ln{stroke-dashoffset:0}.spark .end{opacity:1}.radar,.data-bus .pulse{display:none}}

/* keyboard focus ring (a11y) */
a:focus-visible,button:focus-visible,.btn:focus-visible,.contact-item:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}

/* A-3 法务免责 + 法务链接 */
.legal-disclaimer{max-width:760px;margin:28px auto 0;font-size:13px;line-height:1.7;color:var(--muted);text-align:center}
.legal-disclaimer b{color:var(--soft)}
.legal-links{display:flex;gap:22px;justify-content:center;flex-wrap:wrap;margin:14px 0 6px;font-family:var(--mono),monospace;font-size:13px}
.legal-links a{color:var(--soft);text-decoration:none;border-bottom:1px solid var(--line-strong);padding-bottom:2px}
.legal-links a:hover{color:var(--cyan)}

/* A-5 cookie 同意横幅 */
.cookie-consent{position:fixed;left:16px;right:16px;bottom:16px;z-index:9999;max-width:720px;margin:0 auto;
  background:var(--surface-2);border:1px solid var(--line-strong);border-radius:14px;box-shadow:var(--shadow);
  padding:16px 18px;display:flex;gap:16px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.cookie-consent[hidden]{display:none}
.cookie-consent p{margin:0;flex:1 1 320px;font-size:13px;line-height:1.6;color:var(--soft)}
.cookie-consent a{color:var(--cyan)}
.cookie-actions{display:flex;gap:10px;flex:0 0 auto}
.cookie-actions .btn{padding:8px 18px;font-size:13px}

/* A-3 法务页面排版 */
.legal-doc{max-width:820px;margin:0 auto;padding:48px 22px 80px}
.legal-doc .back{display:inline-block;margin-bottom:24px;color:var(--cyan);text-decoration:none;font-family:var(--mono),monospace;font-size:13px}
.legal-doc h1{font-family:var(--display);font-size:clamp(26px,4vw,38px);margin:0 0 6px}
.legal-doc .updated{color:var(--muted);font-family:var(--mono),monospace;font-size:13px;margin:0 0 28px}
.legal-doc h2{font-size:19px;margin:34px 0 10px;color:var(--ink)}
.legal-doc p,.legal-doc li{color:var(--soft);line-height:1.8;font-size:15px}
.legal-doc ul{padding-left:22px}
.legal-doc .warn{border:1px solid var(--line-strong);border-radius:12px;padding:16px 18px;background:rgba(255,107,130,.06);color:var(--soft)}
.legal-doc a{color:var(--cyan)}
.legal-doc footer{margin-top:48px;border-top:1px solid var(--line);padding-top:18px;color:var(--muted);font-size:13px}