:root{--code-bg:#1e293b;--code-text:#e2e8f0;--code-accent:#c4b5fd;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;--font-mono:"JetBrains Mono", "SF Mono", "Fira Code", "Cascadia Code", Consolas, monospace;--font-size-base:16px;--line-height-base:1.75;--measure:920px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 16px #0000000f;--shadow-lg:0 12px 32px #00000014;--ease-out:cubic-bezier(.16, 1, .3, 1);--nav-height:56px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{font-size:var(--font-size-base);scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility}body{font-family:var(--font-sans);font-size:1rem;line-height:var(--line-height-base);color:var(--text);background:var(--bg);overflow-x:hidden}::selection{background:var(--brand);color:#fff}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}img,svg{max-width:100%;display:block}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:0 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0}.container{max-width:var(--measure);padding:0 var(--space-lg);margin:0 auto}#particles-canvas{pointer-events:none;z-index:9998;width:100%;height:100%;position:fixed;top:0;left:0}.progress-bar{z-index:1000;background:linear-gradient(90deg,var(--brand),var(--brand-light));pointer-events:none;width:0;height:3px;transition:width .1s linear;position:fixed;top:0;left:0}.nav{z-index:900;height:var(--nav-height);background:var(--bg);transition:border-color .25s var(--ease-out),box-shadow .25s var(--ease-out);border-bottom:1px solid #0000;position:sticky;top:0}.nav.scrolled{border-bottom-color:var(--border);box-shadow:var(--shadow-sm)}.nav-inner{height:var(--nav-height);max-width:var(--measure);padding:0 var(--space-lg);justify-content:space-between;align-items:center;margin:0 auto;display:flex}.nav-brand{letter-spacing:-.01em;color:#0000;-webkit-text-fill-color:transparent;background-image:linear-gradient(100deg,#5b2fe0 0%,#3866e8 18%,#fff 42%,#15c9e8 55%,#3866e8 78%,#5b2fe0 100%);background-size:200% 100%;background-clip:text;font-size:1.125rem;font-weight:800;text-decoration:none;animation:5s linear infinite brand-shimmer}.nav-brand:hover{text-decoration:none}.nav-brand em{font-style:normal}@keyframes brand-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.nav-links{align-items:center;gap:var(--space-xs);display:flex}.nav-links a{color:var(--text-secondary);padding:var(--space-xs) 12px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;text-decoration:none;transition:color .15s,background .15s}.nav-links a:hover,.nav-links a.active{color:var(--brand);background:var(--brand-bg)}.theme-btn{border:1px solid var(--border);cursor:pointer;width:36px;height:36px;color:var(--text-secondary);background:0 0;border-radius:50%;justify-content:center;align-items:center;font-size:1rem;transition:border-color .15s,background .15s;display:flex}.theme-btn:hover{border-color:var(--brand);background:var(--brand-bg)}.hamburger{cursor:pointer;padding:var(--space-xs);background:0 0;border:none;display:none}.hamburger span{background:var(--text);border-radius:2px;width:20px;height:2px;margin:4px 0;transition:transform .3s,opacity .3s;display:block}.hamburger.open span:first-child{transform:translateY(6px)rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:translateY(-6px)rotate(-45deg)}.hero-bg{z-index:0;pointer-events:none;background-image:var(--hero-overlay),var(--hero-image);transform-origin:50%;background-position:50%;background-repeat:no-repeat,no-repeat;background-size:auto,cover;animation:60s ease-in-out infinite alternate breathe-hero;position:absolute;inset:0}@keyframes breathe-hero{0%{transform:scale(1)}to{transform:scale(1.05)}}.hero{padding:var(--space-3xl) 0 var(--space-2xl);background-color:var(--brand-bg);border-bottom:1px solid var(--border-light);text-align:center;isolation:isolate;position:relative;overflow:hidden}.hero:before{content:"";z-index:1;pointer-events:none;opacity:.95;background-image:radial-gradient(3px 3px at 8% 25%,#fff 70%,transparent), radial-gradient(2px 2px at 16% 60%,var(--fx-particle) 70%,transparent), radial-gradient(2px 2px at 23% 35%,#fff 70%,transparent), radial-gradient(3px 3px at 31% 70%,var(--fx-particle) 70%,transparent), radial-gradient(1.5px 1.5px at 39% 20%,#fff 70%,transparent), radial-gradient(2.5px 2.5px at 47% 55%,var(--fx-particle) 70%,transparent), radial-gradient(2px 2px at 55% 30%,#fff 70%,transparent), radial-gradient(3px 3px at 63% 65%,var(--fx-particle) 70%,transparent), radial-gradient(1.5px 1.5px at 70% 25%,#fff 70%,transparent), radial-gradient(2px 2px at 78% 55%,var(--fx-particle) 70%,transparent), radial-gradient(3px 3px at 86% 35%,#fff 70%,transparent), radial-gradient(2px 2px at 93% 65%,var(--fx-particle) 70%,transparent);animation:6s ease-in-out infinite alternate hero-warp;position:absolute;inset:0}@keyframes hero-warp{0%{opacity:.7;transform:translateY(0)}to{opacity:1;transform:translateY(-14px)}}.hero:after{content:"";z-index:1;background-image:radial-gradient(circle at 25% 30%,color-mix(in srgb,var(--fx-glow) 18%,transparent) 0%,transparent 50%),radial-gradient(circle at 75% 60%,color-mix(in srgb,var(--fx-glow) 12%,transparent) 0%,transparent 50%);pointer-events:none;position:absolute;inset:0}.board-heat,.timeline-card,.about-card,.post-card{border-color:var(--fx-card-border);box-shadow:0 0 22px color-mix(in srgb,var(--fx-card-glow) 16%,transparent)}body:before{content:"";z-index:0;pointer-events:none;background-image:linear-gradient(var(--fx-grid) 1px,transparent 1px),linear-gradient(90deg,var(--fx-grid) 1px,transparent 1px);opacity:var(--fx-grid-opacity);background-size:44px 44px;position:fixed;inset:0}.hero .term-deco{z-index:3;font-family:var(--font-mono);color:#ffffffbf;-webkit-backdrop-filter:blur(4px);background:#00000038;border-radius:20px;padding:4px 14px;font-size:.7rem;position:absolute;top:12px;right:12px}.hero-inner{z-index:2;position:relative}.hero-eyebrow{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--hero-text);background:var(--hero-eyebrow-bg);margin-bottom:var(--space-lg);border-radius:20px;padding:5px 16px;font-size:.75rem;display:inline-block}.hero h1{margin-bottom:var(--space-sm);color:var(--hero-text)}.hero h1 span:not(.wave-char){color:var(--hero-accent)}.hero h1 .wave-char{color:inherit}.hero .subtitle{color:var(--hero-text-secondary);max-width:460px;margin:0 auto var(--space-xl);font-size:1.0625rem;font-weight:400}.hero-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.timeline-latest{color:#fff;background:var(--brand);letter-spacing:.05em;border-radius:10px;padding:2px 8px;font-size:.6875rem;font-weight:600}.btn{cursor:pointer;transition:transform .15s var(--ease-out),box-shadow .15s var(--ease-out),background .15s;border:none;border-radius:24px;align-items:center;gap:6px;padding:10px 22px;font-size:.875rem;font-weight:600;text-decoration:none;display:inline-flex;position:relative;overflow:hidden}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn:active{transform:scale(.97)}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 2px 12px color-mix(in srgb,var(--brand) 30%,transparent)}.btn-primary:hover{box-shadow:0 6px 20px #7c3aed66}.btn-ghost{background:var(--card);color:var(--text);border:1px solid var(--border)}.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}.features{padding:var(--space-2xl) 0;background:var(--bg)}.board-heat{margin-top:var(--space-lg);background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-xl);gap:var(--space-sm) var(--space-2xl);grid-template-columns:1fr 1fr;display:grid}.board-heat-head{margin-bottom:var(--space-sm);grid-column:1/-1;justify-content:space-between;align-items:baseline;display:flex}.board-heat-meta{font-family:var(--font-mono);color:var(--text-tertiary);font-size:.75rem}.heat-item{align-items:center;gap:var(--space-md);grid-template-columns:3.5rem 1fr 2.75rem;padding:5px 0;display:grid}.heat-name{font-family:var(--font-mono);color:var(--text);font-size:.8125rem;font-weight:600}.heat-bar{background:var(--bg-alt);border-radius:4px;height:8px;overflow:hidden}.heat-fill{background:linear-gradient(90deg,var(--brand-bg),var(--brand));height:100%;width:var(--w,0%);border-radius:4px;display:block;position:relative;overflow:hidden}.heat-fill:after{content:"";background:linear-gradient(100deg,#0000 0%,#ffffff6b 50%,#0000 100%);width:38%;animation:2.6s linear infinite heat-shine;position:absolute;top:0;bottom:0;left:0;transform:translate(-100%)}@keyframes 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(width<=768px){.board-heat{gap:var(--space-sm);padding:var(--space-lg);grid-template-columns:1fr}.heat-placeholder{gap:var(--space-sm);grid-template-columns:1fr}}.section-header{margin-bottom:var(--space-lg);justify-content:space-between;align-items:baseline;display:flex}.section-header h2{font-size:1.25rem}.section-header .mono{font-family:var(--font-mono);color:var(--text-tertiary);font-size:.8125rem}.tag-filter{margin-bottom:var(--space-lg);flex-wrap:wrap;gap:8px;display:flex}.tag-filter.hidden{display:none}.tag-filter .filter-tag,#english-filter .filter-tag{background:var(--bg-alt);color:var(--text-secondary);border:1px solid var(--border);cursor:pointer;font-size:.75rem;font-weight:500;font-family:var(--font-sans);border-radius:16px;padding:4px 12px;transition:all .15s}.tag-filter .filter-tag:hover,#english-filter .filter-tag:hover{background:var(--brand-bg);color:var(--brand);border-color:var(--brand-border)}.tag-filter .filter-tag.active,#english-filter 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0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:8px 2px 11px;transition:color .15s,border-color .15s}.main-tab .count{font-family:var(--font-mono);opacity:.7;margin-left:4px;font-size:.75rem}.main-tab:hover{color:var(--brand)}.main-tab.active{color:var(--brand);border-bottom-color:var(--brand)}.main-tab.active .count{opacity:.85}.main-view.hidden{display:none}.column-filter{margin-bottom:var(--space-lg);border-bottom:1px solid var(--border);-webkit-overflow-scrolling:touch;scrollbar-width:thin;overscroll-behavior-x:contain;touch-action:pan-y;flex-wrap:nowrap;gap:8px;padding-bottom:6px;display:flex;overflow-x:auto}.column-filter::-webkit-scrollbar{height:4px}.column-filter::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.column-filter .filter-column{color:var(--text-secondary);cursor:pointer;font-size:.9rem;font-weight:600;font-family:var(--font-sans);white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:8px 14px 11px;transition:color .15s,border-color .15s}.column-filter .filter-column:hover{color:var(--brand)}.column-filter .filter-column.active{color:var(--brand);border-bottom-color:var(--brand)}.column-filter .filter-column .count{opacity:.6;color:var(--text-tertiary);margin-left:5px;font-size:.72em;font-weight:500}.column-filter .filter-column.active .count{color:var(--brand);opacity:.75}.post-timeline{padding-left:var(--space-xl);position:relative}.post-timeline:before{content:"";background:var(--border);border-radius:1px;width:2px;position:absolute;top:8px;bottom:8px;left:7px}.timeline-item{margin-bottom:var(--space-lg);position:relative}.timeline-item:before{content:"";left:calc(-1 * var(--space-xl) + 4px);background:var(--brand);border:2px solid var(--bg);z-index:1;border-radius:50%;width:8px;height:8px;position:absolute;top:10px}.timeline-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-lg);color:inherit;transition:border-color .25s var(--ease-out),box-shadow .25s var(--ease-out),transform .25s var(--ease-out);text-decoration:none;display:block}.timeline-card:hover{border-color:var(--brand-border);box-shadow:var(--shadow-md);text-decoration:none;transform:translate(4px)}.timeline-meta{align-items:center;gap:var(--space-sm);margin-bottom:var(--space-sm);flex-wrap:wrap;display:flex}.timeline-date{font-family:var(--font-mono);color:var(--brand);background:var(--brand-bg);border-radius:10px;padding:3px 10px;font-size:.75rem;font-weight:600}.timeline-cat{color:var(--text-tertiary);font-size:.8125rem}.timeline-card h3{margin-bottom:var(--space-xs);color:var(--text);font-size:1.0625rem}.timeline-card:hover h3{color:var(--brand)}.timeline-excerpt{color:var(--text-secondary);margin-bottom:0;font-size:.875rem}.timeline-tags{margin-top:var(--space-sm);flex-wrap:wrap;gap:6px;display:flex}.tag{background:var(--bg-alt);color:var(--text-secondary);border-radius:6px;padding:3px 10px;font-size:14px;font-weight:500;transition:background .15s,color .15s;display:inline-block}.tag:hover{background:var(--brand-bg);color:var(--brand);text-decoration:none}@media (width<=480px){.post-timeline{padding-left:var(--space-lg)}.timeline-item:before{left:calc(-1 * var(--space-lg) + 4px)}}.article-header{padding:var(--space-2xl) 0 var(--space-lg);max-width:46rem;margin:0 auto}.article-header .back-link{color:var(--text-tertiary);margin-bottom:var(--space-lg);align-items:center;gap:4px;font-size:.875rem;display:inline-flex}.article-header .back-link:hover{color:var(--brand)}.article-meta{align-items:center;gap:var(--space-md);margin-bottom:var(--space-lg);flex-wrap:wrap;display:flex}.article-date{font-family:var(--font-mono);color:#fff;background:var(--brand);border-radius:12px;padding:3px 12px;font-size:.8125rem;font-weight:600}.article-cat,.article-reading{color:var(--text-tertiary);font-size:.8125rem}.article-header h1{margin-bottom:var(--space-md);font-size:1.75rem;font-weight:700;line-height:1.35}.article-divider{background:var(--brand);width:56px;height:3px;margin-bottom:var(--space-xl);border-radius:2px}.article-body{font-size:1rem;line-height:1.85}.article-bg{position:relative}.article-bg:before{content:"";z-index:-1;pointer-events:none;background-image:var(--article-shield),var(--hero-image);transform-origin:top;background-position:50%;background-repeat:no-repeat,no-repeat;background-size:auto,cover;animation:120s ease-in-out infinite alternate article-bg-breathe;position:fixed;inset:0}.article-bg:after{content:"";z-index:-1;pointer-events:none;opacity:.95;background-image:radial-gradient(3px 3px at 8% 18%,#fff 70%,transparent),radial-gradient(2px 2px at 16% 55%,var(--fx-particle) 70%,transparent),radial-gradient(2px 2px at 23% 30%,#fff 70%,transparent),radial-gradient(3px 3px at 31% 65%,var(--fx-particle) 70%,transparent),radial-gradient(1.5px 1.5px at 39% 18%,#fff 70%,transparent),radial-gradient(2.5px 2.5px at 47% 50%,var(--fx-particle) 70%,transparent),radial-gradient(2px 2px at 55% 25%,#fff 70%,transparent),radial-gradient(3px 3px at 63% 60%,var(--fx-particle) 70%,transparent),radial-gradient(1.5px 1.5px at 70% 20%,#fff 70%,transparent),radial-gradient(2px 2px at 78% 50%,var(--fx-particle) 70%,transparent),radial-gradient(3px 3px at 86% 30%,#fff 70%,transparent),radial-gradient(2px 2px at 93% 60%,var(--fx-particle) 70%,transparent),radial-gradient(circle at 25% 30%,color-mix(in srgb,var(--fx-glow) 18%,transparent) 0%,transparent 50%),radial-gradient(circle at 75% 60%,color-mix(in srgb,var(--fx-glow) 12%,transparent) 0%,transparent 50%);animation:8s ease-in-out infinite alternate hero-warp;position:fixed;inset:0}@keyframes article-bg-breathe{0%{transform:scale(1.08)}to{transform:scale(1)}}.article-hero{padding:var(--space-xl) var(--space-lg);background:color-mix(in srgb,var(--card) 85%,transparent);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);text-align:center;margin:var(--space-xl) 0 var(--space-lg);position:relative;overflow:hidden}.article-hero:after{content:"";background-image:radial-gradient(circle at 25% 30%,color-mix(in srgb,var(--fx-glow) 8%,transparent) 0%,transparent 50%),radial-gradient(circle at 75% 60%,color-mix(in srgb,var(--fx-glow) 5%,transparent) 0%,transparent 50%);pointer-events:none;position:absolute;inset:0}.article-hero .hero-inner{z-index:2;position:relative}.article-hero .back-link{top:var(--space-md);left:var(--space-md);z-index:1;color:var(--text-tertiary);align-items:center;gap:4px;font-size:.8125rem;display:inline-flex;position:absolute}.article-hero .back-link:hover{color:var(--brand)}.article-hero .hero-eyebrow{z-index:1;color:var(--text);background:var(--brand-bg);position:relative}.article-hero h1{z-index:1;color:var(--text);max-width:40ch;margin:0 auto var(--space-sm);text-wrap:balance;font-size:1.5rem;font-weight:700;line-height:1.4;position:relative}.article-hero .subtitle{z-index:1;color:var(--text-secondary);max-width:460px;margin:0 auto;font-size:1.0625rem;line-height:1.75;position:relative}html.dark .article-hero{background:color-mix(in srgb,var(--card) 88%,transparent)}.article-blocks{flex-direction:column;display:flex}.article-blocks a{color:var(--brand);text-underline-offset:3px;text-decoration:underline}.article-blocks a:hover{color:var(--brand-dark)}.article-blocks mark{color:var(--brand);background:0 0}.article-blocks 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