:root{--bg-dark: #0a0a0c;--bg-dark-2: #111114;--bg-light: #f5f5f7;--bg-white: #ffffff;--ink: #1d1d1f;--ink-2: #6e6e73;--paper: #f5f5f7;--paper-2: rgba(255, 255, 255, .72);--accent: #ffb300;--accent-2: #ff8a00;--accent-deep: #9a6b00;--hairline-dark: rgba(255, 255, 255, .12);--hairline-light: rgba(0, 0, 0, .08);--radius-card: 24px;--ease-out: cubic-bezier(.22, 1, .36, 1);--font-stack: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro SC", "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;--font-mono: "SF Mono", "Cascadia Code", Consolas, "Courier New", monospace}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-stack);color:var(--ink);background:var(--bg-white);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}::selection{background:#ffb30059}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}.wrap{max-width:1120px;margin-inline:auto;padding-inline:clamp(20px,5vw,40px)}.wrap-narrow{max-width:780px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--accent-deep)}.dark .eyebrow{color:var(--accent)}.h-display{font-size:clamp(2.6rem,7.2vw,5.4rem);font-weight:800;line-height:1.08;letter-spacing:-.03em}.h-section{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:750;line-height:1.15;letter-spacing:-.02em}.h-3{font-size:clamp(1.25rem,2.4vw,1.6rem);font-weight:700;letter-spacing:-.01em}.sub{font-size:clamp(1rem,1.6vw,1.2rem);color:var(--ink-2);line-height:1.8}.dark .sub{color:#f5f5f7a8}.grad-text{background:linear-gradient(100deg,var(--accent) 10%,var(--accent-2) 90%);-webkit-background-clip:text;background-clip:text;color:transparent}.dark{background:var(--bg-dark);color:var(--paper)}.light{background:var(--bg-light);color:var(--ink)}.white{background:var(--bg-white);color:var(--ink)}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;letter-spacing:.01em;border:none;cursor:pointer;transition:transform .4s var(--ease-out),box-shadow .4s var(--ease-out),background .3s;will-change:transform}.btn-primary{background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#1d1300;box-shadow:0 8px 28px #ff960047}.btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 14px 40px #ff960066}.btn-ghost-light{background:transparent;color:var(--paper);border:1px solid var(--hairline-dark)}.btn-ghost-light:hover{background:#ffffff14;transform:translateY(-2px)}.btn-ghost-dark{background:transparent;color:var(--ink);border:1px solid rgba(0,0,0,.18)}.btn-ghost-dark:hover{background:#0000000d;transform:translateY(-2px)}.btn-disabled{opacity:.55;cursor:not-allowed;filter:grayscale(.4)}.btn-disabled:hover{transform:none}.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;border:1px solid var(--hairline-light);color:var(--ink-2);background:#fff9}.dark .chip{border-color:var(--hairline-dark);color:#f5f5f7b8;background:#ffffff0f}.chip-accent{border-color:#ffb30080;color:var(--accent-deep);background:#ffb3001a}.dark .chip-accent{color:var(--accent);background:#ffb3001a}.chip-dot:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;animation:pulse-dot 2.2s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}.card{position:relative;background:var(--bg-white);border:1px solid rgba(0,0,0,.06);border-radius:var(--radius-card);padding:26px;overflow:hidden;transform-style:preserve-3d;transition:transform .5s var(--ease-out),box-shadow .5s var(--ease-out),border-color .3s;box-shadow:0 1px 2px #0000000a}.card:hover{box-shadow:0 24px 48px #0000001a;border-color:#0000001a}.card-glare:after{content:"";position:absolute;inset:0;background:radial-gradient(520px circle at var(--mx, 50%) var(--my, 50%),rgba(255,179,0,.12),transparent 45%);opacity:0;transition:opacity .4s;pointer-events:none}.card:hover.card-glare:after{opacity:1}.card-cover{margin:-26px -26px 20px;height:220px;overflow:hidden;background:var(--bg-light)}.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease-out)}.card:hover .card-cover img{transform:scale(1.04)}.card-title{font-size:19px;font-weight:700;letter-spacing:-.01em;margin-bottom:6px}.card-tagline{font-size:14px;color:var(--ink-2);line-height:1.75;margin-bottom:16px}.card-foot{display:flex;align-items:center;gap:16px;font-size:13px;font-weight:600}.link-more{color:var(--accent-deep);transition:transform .3s var(--ease-out);display:inline-flex;align-items:center;gap:4px}.link-more:hover{transform:translate(3px)}.rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out);transition-delay:var(--d, 0s)}.rv.in{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}.marquee{overflow:hidden;border-block:1px solid var(--hairline-light);padding:18px 0;background:var(--bg-white)}.marquee-track{display:flex;gap:48px;width:max-content;animation:marquee 36s linear infinite}.marquee:hover .marquee-track{animation-play-state:paused}.marquee-item{font-size:13px;font-weight:700;letter-spacing:.22em;color:var(--ink-2);white-space:nowrap;display:flex;align-items:center;gap:48px}.marquee-item:after{content:"✦";color:var(--accent);font-size:11px}@keyframes marquee{to{transform:translate(-50%)}}.nav-shell{position:fixed;top:14px;left:0;right:0;z-index:100;display:flex;justify-content:center;padding-inline:16px}.nav{display:flex;align-items:center;gap:22px;padding:8px 10px 8px 14px;border-radius:999px;background:#0e0e129e;backdrop-filter:blur(22px) saturate(180%);-webkit-backdrop-filter:blur(22px) saturate(180%);border:1px solid rgba(255,255,255,.09);box-shadow:0 10px 34px #00000038}.nav-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:14px;color:var(--paper);letter-spacing:.02em;white-space:nowrap}.nav-brand img{width:28px;height:28px;border-radius:50%;object-fit:cover}.nav-links{display:flex;align-items:center;gap:4px}.nav-links a{font-size:13.5px;font-weight:600;color:#f5f5f7bf;padding:7px 13px;border-radius:999px;white-space:nowrap;transition:color .25s,background .25s}.nav-links a:hover{color:#fff;background:#ffffff1a}.nav-cta{font-size:13px;font-weight:700;padding:8px 18px;border-radius:999px;background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#1d1300;transition:transform .35s var(--ease-out),box-shadow .35s}.nav-cta:hover{transform:scale(1.05);box-shadow:0 6px 20px #ff960066}@media(max-width:560px){.nav{gap:6px}.nav-brand span{display:none}.nav-links{gap:0}.nav-links a{padding:7px 10px;font-size:13px}.nav-cta{padding:8px 13px}}.hero{position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;padding:140px 0 90px}.hero-bg{position:absolute;inset:0;background:radial-gradient(640px 420px at 50% -6%,rgba(255,179,0,.17),transparent 70%),radial-gradient(900px 560px at 88% 108%,rgba(88,108,255,.1),transparent 65%),var(--bg-dark)}.hero-grain{position:absolute;inset:0;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E")}.hero-mark{position:absolute;right:-4vw;bottom:-10vw;font-size:44vw;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.5px rgba(255,255,255,.05);user-select:none;pointer-events:none}.hero-inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:26px;padding-inline:24px}.hero-avatar{width:116px;height:116px;border-radius:50%;object-fit:cover;border:3px solid rgba(255,179,0,.9);box-shadow:0 0 0 8px #ffb3001f,0 0 64px #ffa00059}.hero-pill{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.22em;color:var(--accent);border:1px solid rgba(255,179,0,.35);background:#ffb30012;padding:8px 18px;border-radius:999px}.hero-sub{max-width:620px}.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}.hero-note{font-size:12.5px;color:#f5f5f766;letter-spacing:.06em}.scroll-hint{position:absolute;bottom:30px;left:50%;transform:translate(-50%);width:22px;height:34px;border:1.5px solid rgba(245,245,247,.3);border-radius:12px;z-index:2}.scroll-hint:before{content:"";position:absolute;top:6px;left:50%;width:3px;height:7px;margin-left:-1.5px;border-radius:3px;background:var(--accent);animation:scroll-dot 1.8s ease-in-out infinite}@keyframes scroll-dot{0%{transform:translateY(0);opacity:1}70%{transform:translateY(12px);opacity:0}to{transform:translateY(0);opacity:0}}.section{padding:clamp(76px,10vw,128px) 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(36px,5vw,56px);flex-wrap:wrap}.section-head .sub{max-width:560px;font-size:15px}.count-badge{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--ink-2);border:1px solid var(--hairline-light);padding:6px 14px;border-radius:999px;white-space:nowrap}.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}@media(min-width:760px){.card-wide{grid-column:span 2;display:grid;grid-template-columns:1.05fr 1fr;gap:26px;align-items:center}.card-wide .card-cover,.card-solo .card-cover{margin:0;height:100%;min-height:280px;border-radius:14px}.card-solo{grid-column:1 / -1;display:grid;grid-template-columns:1.25fr 1fr;gap:30px;align-items:center;padding:30px}.card-solo .card-cover{min-height:340px;border-radius:16px}.card-solo .card-title{font-size:24px}.card-solo .card-tagline{font-size:15px}}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;text-align:center}.stat-num{font-size:clamp(2.2rem,4.6vw,3.4rem);font-weight:800;letter-spacing:-.02em;background:linear-gradient(120deg,var(--ink) 30%,var(--accent-deep));-webkit-background-clip:text;background-clip:text;color:transparent}.stat-label{font-size:13px;color:var(--ink-2);letter-spacing:.1em;margin-top:4px}.method-row{display:grid;grid-template-columns:84px 1fr auto;gap:20px;align-items:center;padding:30px 12px;border-top:1px solid var(--hairline-light);transition:background .3s,padding-left .4s var(--ease-out)}.method-row:last-child{border-bottom:1px solid var(--hairline-light)}.method-row:hover{background:#ffb3000d;padding-left:22px}.method-idx{font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;background:linear-gradient(140deg,var(--ink),var(--accent-deep));-webkit-background-clip:text;background-clip:text;color:transparent}.method-title{font-size:18px;font-weight:700;margin-bottom:4px}.method-desc{font-size:14px;color:var(--ink-2)}@media(max-width:640px){.method-row{grid-template-columns:52px 1fr}.method-idx{font-size:22px}.method-row>.card-foot{grid-column:2}}.wip-list{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}.wip-item{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;border:1px solid var(--hairline-dark);font-size:14.5px;font-weight:600;color:#f5f5f7d9;background:#ffffff0a;transition:transform .4s var(--ease-out),background .3s}.wip-item:hover{transform:translateY(-3px);background:#ffffff14}.lock-demo{position:relative;border-radius:18px;background:#141418;border:1px solid rgba(255,255,255,.1);overflow:hidden;box-shadow:0 30px 80px #00000080}.lock-demo-bar{display:flex;gap:7px;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.07)}.lock-demo-bar i{width:11px;height:11px;border-radius:50%;background:#ffffff29}.lock-demo-body{padding:24px;font-family:var(--font-mono);font-size:13px;line-height:2;color:#f5f5f7c7}.lock-demo-body .cm{color:#f5f5f759}.lock-demo-body .kw{color:var(--accent)}.lock-blur{filter:blur(7px);user-select:none;pointer-events:none}.lock-overlay{position:absolute;inset:38% 0 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:linear-gradient(180deg,#0a0a0c40,#0a0a0ce0)}.lock-icon{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#1d1300;font-size:19px;box-shadow:0 10px 30px #ff960073}.cursor-glow{position:fixed;top:0;left:0;width:560px;height:560px;border-radius:50%;pointer-events:none;z-index:1;background:radial-gradient(circle,rgba(255,170,0,.06),transparent 62%);transform:translate(-50%,-50%);opacity:0;transition:opacity .6s}.prose{font-size:16px;line-height:1.95;color:#333336}.prose p{margin:1.25em 0}.prose h2{font-size:1.5rem;font-weight:750;letter-spacing:-.01em;margin:2.2em 0 .8em}.prose h3{font-size:1.18rem;font-weight:700;margin:1.8em 0 .6em}.prose a{color:var(--accent-deep);font-weight:600;text-decoration:underline;text-underline-offset:4px}.prose ul,.prose ol{padding-left:1.4em;margin:1.1em 0}.prose li{margin:.45em 0}.prose code{font-family:var(--font-mono);font-size:.86em;background:#0000000e;padding:2px 7px;border-radius:6px}.prose pre{background:#141418;color:#f0f0f2;border-radius:14px;padding:20px 24px;overflow-x:auto;margin:1.4em 0;font-size:13.5px;line-height:1.8}.prose pre code{background:none;padding:0}.prose blockquote{border-left:3px solid var(--accent);padding:4px 0 4px 20px;margin:1.4em 0;color:var(--ink-2)}.prose hr{border:none;border-top:1px solid var(--hairline-light);margin:2.4em 0}.prose strong{font-weight:700}.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14px}.prose th,.prose td{border:1px solid var(--hairline-light);padding:10px 14px;text-align:left}.prose th{background:var(--bg-light)}.footer{background:#060608;color:#f5f5f799;padding:72px 0 40px;border-top:1px solid rgba(255,255,255,.07)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:56px}@media(max-width:720px){.footer-grid{grid-template-columns:1fr}}.footer h4{font-size:12px;font-weight:700;letter-spacing:.2em;color:#f5f5f766;margin-bottom:18px}.footer a{transition:color .25s}.footer a:hover{color:var(--accent)}.footer-col a{display:block;padding:5px 0;font-size:14.5px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}.footer-brand img{width:40px;height:40px;border-radius:50%;object-fit:cover}.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding-top:28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#f5f5f759}.detail-hero{padding:150px 0 40px}.breadcrumb{font-size:13.5px;font-weight:600;color:var(--ink-2);display:inline-flex;align-items:center;gap:6px;margin-bottom:28px;transition:color .25s}.breadcrumb:hover{color:var(--accent-deep)}.cat-nav{position:sticky;top:78px;z-index:50;display:flex;gap:8px;overflow-x:auto;padding:12px 4px;background:#f5f5f7d1;backdrop-filter:blur(18px) saturate(170%);-webkit-backdrop-filter:blur(18px) saturate(170%);scrollbar-width:none}.cat-nav::-webkit-scrollbar{display:none}.cat-nav a{white-space:nowrap;font-size:13px;font-weight:650;padding:8px 18px;border-radius:999px;border:1px solid rgba(0,0,0,.12);color:var(--ink-2);transition:all .3s}.cat-nav a:hover{background:var(--ink);color:#fff;border-color:var(--ink)}