:root{--bg-deep: oklch(8% .015 270);--bg-base: oklch(12% .012 270);--bg-raised: oklch(16% .01 270);--bg-high: oklch(20% .008 265);--accent: oklch(60% .18 280);--accent-soft: oklch(50% .13 280);--accent-dim: oklch(30% .08 280);--accent-glow: oklch(60% .18 280 / .3);--gold: oklch(80% .14 95);--text-primary: oklch(92% .01 270);--text-secondary: oklch(72% .01 270);--text-muted: oklch(50% .01 265);--border: oklch(100% 0 0 / .07);--ease-out-expo: cubic-bezier(.16, 1, .3, 1);--font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;--font-sans: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", system-ui, sans-serif}html{scrollbar-width:thin;scrollbar-color:oklch(38% .04 280 / .8) transparent}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-corner{background:transparent}::-webkit-scrollbar-thumb{background:#3e4058cc;border-radius:99px;border:2px solid transparent;background-clip:padding-box;min-height:48px}::-webkit-scrollbar-thumb:hover{background:#5e61a1e6;background-clip:padding-box}::-webkit-scrollbar-thumb:active{background:var(--accent);background-clip:padding-box}::-webkit-scrollbar-button{display:none;width:0;height:0}@font-face{font-family:"Noto Serif SC";font-weight:700;font-display:swap;src:url(/fonts/noto-serif-sc-700.woff) format("woff")}@font-face{font-family:"Noto Serif SC";font-weight:900;font-display:swap;src:url(/fonts/noto-serif-sc-900.woff) format("woff")}:root[data-accent]{--accent: var(--accent-override);--accent-soft: var(--accent-soft-override);--accent-dim: var(--accent-dim-override);--accent-glow: var(--accent-glow-override)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{font-family:var(--font-sans);font-size:1rem;line-height:1.9;color:var(--text-primary);background:var(--bg-deep);overflow-x:hidden}::selection{background:#6f6de84d;color:var(--text-primary)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}.scroll-progress{position:fixed;top:0;left:0;height:2px;z-index:200;background:linear-gradient(90deg,var(--accent),var(--gold));width:0%;will-change:width}body:before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;background:radial-gradient(ellipse 80% 60% at 30% 0%,oklch(45% .14 300 / .25) 0%,transparent 60%),radial-gradient(ellipse 44% 58% at 86% 28%,oklch(48% .14 290 / .18) 0%,transparent 54%),linear-gradient(180deg,oklch(10% .018 270),var(--bg-deep))}.noise-overlay{position:fixed;inset:0;z-index:9998;pointer-events:none;opacity:.035;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}.site-header{position:sticky;top:0;z-index:100;background:#07090f8c;backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-bottom:1px solid var(--border);box-shadow:0 1px #ffffff08 inset}.header-inner{max-width:1080px;margin:0 auto;height:64px;padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.header-brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--text-primary);font-weight:700;font-size:.95rem}.header-brand .brand-mark{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;background:linear-gradient(135deg,var(--accent),var(--accent-soft));border-radius:7px;color:#fff;font-size:.9rem;transition:transform .45s cubic-bezier(.25,1,.5,1)}.header-brand:hover .brand-mark{transform:rotate(-12deg) scale(1.08)}.header-crumbs{display:flex;align-items:center;gap:.5rem;font-size:.82rem;color:var(--text-muted)}.header-crumbs .crumb-num{font-family:Consolas,monospace;color:var(--accent);font-size:.78rem;font-weight:700}.header-crumbs .crumb-title{color:var(--text-secondary);max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-nav{display:flex;align-items:center;gap:.4rem}.nav-btn{display:inline-flex;align-items:center;gap:.35rem;padding:.4rem .8rem;border:1px solid var(--border);border-radius:100px;font-size:.78rem;color:var(--text-secondary);text-decoration:none;transition:all .2s var(--ease-out-expo);background:#ffffff05}.nav-btn:hover{border-color:var(--accent);color:var(--text-primary);background:oklch(66% .19 285 / .08)}.nav-btn.disabled{opacity:.35;pointer-events:none}.nav-btn .nav-emoji{font-size:.85rem}.nav-btn .nav-label{display:inline;max-width:140px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@media(max-width:640px){.nav-btn .nav-label{display:none}.header-crumbs .crumb-title{max-width:130px}}.container{max-width:980px;margin:0 auto;padding:0 1.5rem}.container.wide{max-width:1280px}.hero{padding:4.5rem 0 3.25rem;text-align:center;background:linear-gradient(180deg,oklch(20% .05 285 / .35),transparent);border-bottom:1px solid var(--border)}.hero-icon{width:88px;height:88px;margin:0 auto 1.5rem;background:linear-gradient(135deg,#141030,#2b2654);border-radius:22px;display:flex;align-items:center;justify-content:center;font-size:2.8rem;box-shadow:0 12px 40px var(--accent-glow)}.hero h1{font-family:var(--font-serif);font-size:clamp(1.8rem,5vw,2.55rem);font-weight:900;color:var(--text-primary);margin-bottom:.55rem;line-height:1.3}.hero .domain{font-size:.88rem;color:var(--accent);margin-bottom:.6rem;letter-spacing:.04em}.hero .tagline{font-size:.9rem;color:var(--text-muted);max-width:660px;margin:0 auto}.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin:2.5rem 0}@media(max-width:700px){.stats-strip{grid-template-columns:repeat(2,1fr)}}.stat-item{background:var(--bg-raised);border:1px solid var(--border);border-radius:16px;padding:1.35rem;text-align:center;transition:all .25s var(--ease-out-expo)}.stat-item:hover{border-color:oklch(66% .19 285 / .28);transform:translateY(-2px)}.stat-item .num{font-size:2rem;font-weight:900;color:var(--accent);line-height:1.2}.stat-item .label{font-size:.74rem;color:var(--text-muted);margin-top:.35rem}h2{font-family:var(--font-serif);font-weight:700;font-size:1.35rem;color:var(--text-primary);margin:3rem 0 1.15rem;padding-left:1rem;border-left:3px solid var(--accent);display:flex;align-items:center;gap:.75rem}h2 .num{font-size:.72rem;color:var(--accent);opacity:.62;font-weight:500;min-width:1.5rem}h3{color:var(--text-primary);font-size:1rem;margin:1.5rem 0 .7rem}p{color:var(--text-secondary);margin:.85rem 0}strong{color:var(--text-primary)}.screenshot img,.gallery-card-img,.lightbox-img{content-visibility:auto;contain-intrinsic-size:300px;background:linear-gradient(90deg,var(--bg-raised) 25%,var(--bg-high) 37%,var(--bg-raised) 63%);background-size:400% 100%;animation:skeleton-loading 1.4s ease infinite}@keyframes skeleton-loading{0%{background-position:100% 50%}to{background-position:0% 50%}}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1rem 0}@media(max-width:760px){.card-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:460px){.card-grid{grid-template-columns:1fr}}.card{background:var(--bg-raised);border:1px solid var(--border);border-radius:14px;padding:1.18rem;transition:all .26s var(--ease-out-expo)}.card:hover{border-color:oklch(66% .19 285 / .22);transform:translateY(-2px)}.card .icon{font-size:1.55rem;margin-bottom:.45rem}.card .name{font-size:.9rem;font-weight:750;color:var(--text-primary);margin-bottom:.2rem}.card .desc{font-size:.76rem;color:var(--text-muted);line-height:1.65}table{width:100%;border-collapse:collapse;margin:1.25rem 0;font-size:.88rem}thead{background:var(--bg-raised)}th,td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}th{color:var(--text-muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}td{color:var(--text-secondary)}tr:hover td{background:#ffffff05}td:first-child{font-family:Consolas,Microsoft YaHei,monospace;color:var(--accent);font-size:.82rem}code{background:oklch(66% .19 285 / .1);color:var(--accent);padding:2px 7px;border-radius:5px;font-size:.85rem;font-family:Consolas,Courier New,monospace}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;margin:1rem 0}@media(max-width:620px){.feature-list{grid-template-columns:1fr}}.feature-item{display:flex;gap:.75rem;align-items:flex-start;background:var(--bg-raised);border:1px solid var(--border);border-radius:12px;padding:1rem}.feature-item .dot{width:8px;height:8px;min-width:8px;border-radius:50%;background:var(--accent);margin-top:.5rem;box-shadow:0 0 8px var(--accent-glow)}.feature-item .text{font-size:.85rem;color:var(--text-secondary);line-height:1.65}.feature-item .text strong{color:var(--text-primary)}.arch-diagram{background:linear-gradient(135deg,#080715,#020309);border:1px solid oklch(100% 0 0 / .08);border-radius:18px;padding:2rem;margin:1.4rem 0;font-family:Consolas,Courier New,monospace;font-size:.82rem;line-height:2;color:var(--text-secondary);white-space:pre;overflow-x:auto}.arch-diagram .hl{color:var(--accent);font-weight:700}.arch-diagram .dim{color:var(--text-muted)}.arch-diagram .gold{color:var(--gold)}.note{border:1px solid oklch(66% .19 285 / .18);background:oklch(66% .19 285 / .075);border-radius:14px;padding:1rem 1.1rem;margin:1.25rem 0;color:var(--text-secondary);font-size:.88rem}a{color:var(--accent);text-decoration:none;transition:color .18s}a:hover{color:var(--gold)}.footer{text-align:center;padding:3rem 0 2rem;border-top:1px solid var(--border);margin-top:3rem}.footer .footer-decor{font-family:var(--font-serif);color:#343a4b;letter-spacing:.2em;font-size:.9rem;margin-bottom:1.2rem}.footer a{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border:1px solid var(--accent-dim);border-radius:100px;font-size:.9rem;transition:all .2s var(--ease-out-expo)}.footer a:hover{background:var(--accent-dim);color:#fff}.back-to-top{position:fixed;bottom:2rem;right:2rem;width:44px;height:44px;background:var(--bg-raised);border:1px solid var(--border);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--text-secondary);opacity:0;pointer-events:none;transition:all .28s var(--ease-out-expo);z-index:50;backdrop-filter:blur(8px)}.back-to-top.visible{opacity:1;pointer-events:auto}.back-to-top:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);box-shadow:0 6px 20px var(--accent-glow)}.project-nav-bottom{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:3rem 0 1rem}@media(max-width:640px){.project-nav-bottom{grid-template-columns:1fr}}.nav-card{display:flex;align-items:center;gap:.8rem;padding:1.1rem 1.25rem;background:var(--bg-raised);border:1px solid var(--border);border-radius:16px;text-decoration:none;transition:all .28s var(--ease-out-expo)}.nav-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 24px #0000004d}.nav-card.next{justify-content:flex-end;text-align:right}.nav-card.placeholder{opacity:.3;pointer-events:none}.nav-card .nav-card-dir{font-size:.72rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em}.nav-card .nav-card-emoji{font-size:1.6rem}.nav-card .nav-card-info{display:flex;flex-direction:column;gap:.15rem}.nav-card .nav-card-num{font-family:Consolas,monospace;font-size:.72rem;color:var(--accent);font-weight:700}.nav-card .nav-card-title{font-size:.92rem;color:var(--text-primary);font-weight:600}