:root{--n-font-text: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;--n-font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;--n-color-bg-page: #f5f5f7;--n-color-bg-elevated: #ffffff;--n-color-bg-subtle: #fbfbfd;--n-color-text-primary: #1d1d1f;--n-color-text-regular: #424245;--n-color-text-secondary: #6e6e73;--n-color-text-tertiary: #86868b;--n-color-text-inverse: #ffffff;--n-color-link: #0066cc;--n-color-link-hover: #004b99;--n-color-border: rgba(0, 0, 0, .12);--n-color-border-soft: rgba(0, 0, 0, .08);--n-color-primary: #0071e3;--n-color-primary-hover: #0077ed;--n-glass-tint: rgb(235 245 255);--n-glass-highlight: rgb(255 255 255);--n-ambient-1: rgba(0, 113, 227, .3);--n-ambient-2: rgba(147, 51, 234, .24);--n-ambient-3: rgba(0, 176, 180, .24);--n-ambient-4: rgba(255, 149, 0, .18);--n-glass-blur-1: 14px;--n-glass-blur-2: 22px;--n-glass-blur-3: 34px;--n-glass-blur-4: 44px;--n-glass-saturate: 180%;--n-glass-frost-1: 58%;--n-glass-frost-2: 68%;--n-glass-frost-3: 76%;--n-glass-frost-4: 84%;--n-glass-tint-1: 24%;--n-glass-tint-2: 34%;--n-glass-tint-3: 44%;--n-glass-tint-4: 54%;--n-color-bg-glass-weak: color-mix( in srgb, var(--n-glass-highlight) var(--n-glass-frost-1), color-mix(in srgb, var(--n-glass-tint) var(--n-glass-tint-1), transparent) );--n-color-bg-glass: color-mix( in srgb, var(--n-glass-highlight) var(--n-glass-frost-2), color-mix(in srgb, var(--n-glass-tint) var(--n-glass-tint-2), transparent) );--n-color-bg-glass-strong: color-mix( in srgb, var(--n-glass-highlight) var(--n-glass-frost-3), color-mix(in srgb, var(--n-glass-tint) var(--n-glass-tint-3), transparent) );--n-color-bg-glass-overlay: color-mix( in srgb, var(--n-glass-highlight) var(--n-glass-frost-4), color-mix(in srgb, var(--n-glass-tint) var(--n-glass-tint-4), transparent) );--n-shadow-elevation-1: inset 0 1px 0 color-mix(in srgb, var(--n-glass-highlight) 92%, transparent), 0 2px 6px rgba(15, 23, 42, .05), 0 8px 20px rgba(15, 23, 42, .08);--n-shadow-elevation-2: inset 0 1px 0 color-mix(in srgb, var(--n-glass-highlight) 95%, transparent), 0 4px 10px rgba(15, 23, 42, .06), 0 12px 32px rgba(15, 23, 42, .1);--n-shadow-elevation-3: inset 0 1px 0 color-mix(in srgb, var(--n-glass-highlight) 98%, transparent), 0 6px 14px rgba(15, 23, 42, .07), 0 16px 40px rgba(15, 23, 42, .12);--n-shadow-elevation-4: inset 0 1px 0 color-mix(in srgb, var(--n-glass-highlight) 100%, transparent), 0 8px 18px rgba(15, 23, 42, .08), 0 20px 52px rgba(15, 23, 42, .14);--n-code-bg: rgba(0, 113, 227, .08);--n-code-text: #0057a8;--n-pre-bg: #1d1d1f;--n-pre-text: #f5f5f7;--n-topbar-height: 52px;--n-topbar-bg: var(--n-color-bg-glass);--n-topbar-border: rgba(0, 0, 0, .08);--n-content-glass-bg: var(--n-color-bg-glass);--n-menu-glass-bg: var(--n-color-bg-glass-overlay);--n-menu-screen-gap: 24px;--n-control-bg: rgba(0, 0, 0, .045);--n-control-hover-bg: rgba(0, 0, 0, .075);--n-shadow-subtle: var(--n-shadow-elevation-2);color:var(--n-color-text-primary);background:var(--n-color-bg-page);font-family:var(--n-font-text);font-synthesis:none;font-variant-ligatures:common-ligatures contextual;font-feature-settings:"kern";text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root[data-theme=dark]{--n-color-bg-page: #000000;--n-color-bg-elevated: #1d1d1f;--n-color-bg-subtle: #000000;--n-color-text-primary: #f5f5f7;--n-color-text-regular: #f5f5f7;--n-color-text-secondary: #d2d2d7;--n-color-text-tertiary: #a1a1a6;--n-color-text-inverse: #ffffff;--n-color-link: #2997ff;--n-color-link-hover: #6bb6ff;--n-color-border: rgba(255, 255, 255, .24);--n-color-border-soft: rgba(255, 255, 255, .16);--n-color-primary: #0071e3;--n-color-primary-hover: #147ce5;--n-glass-tint: rgb(38 38 41);--n-glass-highlight: rgb(255 255 255);--n-ambient-1: rgba(0, 113, 227, .4);--n-ambient-2: rgba(147, 51, 234, .32);--n-ambient-3: rgba(0, 176, 180, .3);--n-ambient-4: rgba(255, 149, 0, .24);--n-color-bg-glass-weak: color-mix(in srgb, rgb(24 24 26) 52%, transparent);--n-color-bg-glass: color-mix(in srgb, rgb(32 32 35) 58%, transparent);--n-color-bg-glass-strong: color-mix(in srgb, rgb(38 38 41) 72%, transparent);--n-color-bg-glass-overlay: color-mix(in srgb, rgb(45 45 48) 78%, transparent);--n-shadow-elevation-1: inset 0 1px 0 rgba(255, 255, 255, .1), 0 2px 8px rgba(0, 0, 0, .22), 0 12px 28px rgba(0, 0, 0, .28);--n-shadow-elevation-2: inset 0 1px 0 rgba(255, 255, 255, .12), 0 6px 16px rgba(0, 0, 0, .28), 0 18px 44px rgba(0, 0, 0, .34);--n-shadow-elevation-3: inset 0 1px 0 rgba(255, 255, 255, .14), 0 10px 24px rgba(0, 0, 0, .32), 0 24px 58px rgba(0, 0, 0, .42);--n-shadow-elevation-4: inset 0 1px 0 rgba(255, 255, 255, .16), 0 12px 30px rgba(0, 0, 0, .36), 0 28px 68px rgba(0, 0, 0, .5);--n-code-bg: rgba(41, 151, 255, .2);--n-code-text: #8fcaff;--n-pre-bg: #0b0b0d;--n-pre-text: #f5f5f7;--n-topbar-bg: var(--n-color-bg-glass);--n-topbar-border: rgba(255, 255, 255, .18);--n-content-glass-bg: var(--n-color-bg-glass);--n-menu-glass-bg: var(--n-color-bg-glass-overlay);--n-control-bg: rgba(255, 255, 255, .14);--n-control-hover-bg: rgba(255, 255, 255, .22);--n-shadow-subtle: var(--n-shadow-elevation-2)}*{box-sizing:border-box}html{min-width:320px;background:var(--n-color-bg-page)}body{min-width:320px;min-height:100vh;margin:0;color:var(--n-color-text-primary);background:linear-gradient(180deg,var(--n-color-bg-subtle) 0,var(--n-color-bg-page) 360px),var(--n-color-bg-page)}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;background:radial-gradient(560px 420px at 12% -6%,var(--n-ambient-1),transparent 62%),radial-gradient(640px 480px at 92% 14%,var(--n-ambient-2),transparent 64%),radial-gradient(720px 540px at 78% 96%,var(--n-ambient-3),transparent 66%),radial-gradient(420px 360px at 8% 88%,var(--n-ambient-4),transparent 60%)}@keyframes ambient-drift{0%{transform:translateZ(0) scale(1)}50%{transform:translate3d(28px,-20px,0) scale(1.08)}to{transform:translateZ(0) scale(1)}}body:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;background:radial-gradient(340px 280px at 88% 58%,var(--n-ambient-4),transparent 60%);animation:ambient-drift 18s ease-in-out infinite;will-change:transform}button{font:inherit;font-family:var(--n-font-text)}button:focus-visible,a:focus-visible{outline:3px solid color-mix(in srgb,var(--n-color-primary) 34%,transparent);outline-offset:3px}::selection{color:var(--n-color-text-inverse);background:var(--n-color-primary)}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background-color:transparent}::-webkit-scrollbar-thumb{border:3px solid transparent;border-radius:999px;background-color:color-mix(in srgb,var(--n-color-text-tertiary) 58%,transparent);background-clip:content-box}.site-shell{width:min(100%,920px);min-height:calc(100vh - var(--n-footer-height, 0px));margin:0 auto;padding:calc(var(--n-topbar-height) + 42px) 24px 36px}.site-footer{display:flex;width:min(100%,920px);margin:0 auto;padding:8px 24px 40px;justify-content:center}.footer-glass-card{position:relative;display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border:1px solid var(--n-color-border-soft);border-radius:999px;color:var(--n-color-text-tertiary);font-size:12px;line-height:1.5;background:var(--n-color-bg-glass-weak);box-shadow:var(--n-shadow-subtle);backdrop-filter:blur(var(--n-glass-blur-2)) saturate(var(--n-glass-saturate));-webkit-backdrop-filter:blur(var(--n-glass-blur-2)) saturate(var(--n-glass-saturate));isolation:isolate;transition:border-color .16s ease,box-shadow .16s ease,background-color .16s ease}.footer-glass-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;border-radius:inherit;padding:1px;background:linear-gradient(165deg,color-mix(in srgb,var(--n-glass-highlight) 70%,transparent),color-mix(in srgb,var(--n-glass-highlight) 16%,transparent) 34%,color-mix(in srgb,var(--n-glass-highlight) 5%,transparent) 70%,color-mix(in srgb,var(--n-glass-highlight) 38%,transparent));-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask-composite:exclude;pointer-events:none}.footer-glass-card:hover{border-color:color-mix(in srgb,var(--n-color-primary) 30%,var(--n-color-border-soft));box-shadow:var(--n-shadow-elevation-2)}.footer-beian-link{color:inherit;text-decoration:none;transition:color .16s ease}.footer-beian-link:hover{color:var(--n-color-text-secondary)}.site-header{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;min-height:var(--n-topbar-height);border-bottom:1px solid var(--n-topbar-border);color:var(--n-color-text-primary);background:var(--n-topbar-bg);box-shadow:var(--n-shadow-elevation-2);backdrop-filter:blur(var(--n-glass-blur-3)) saturate(var(--n-glass-saturate));-webkit-backdrop-filter:blur(var(--n-glass-blur-3)) saturate(var(--n-glass-saturate))}.topbar:after{content:"";position:absolute;inset:0 0 auto 0;height:1px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--n-glass-highlight) 70%,transparent) 50%,transparent);pointer-events:none}.topbar-inner{display:flex;width:100%;min-height:var(--n-topbar-height);padding:0 24px;align-items:center;justify-content:space-between;gap:18px}.brand{display:inline-flex;align-items:center;min-width:0;color:var(--n-color-text-primary);text-decoration:none}.brand-logo{display:block;width:auto;height:30px;border-radius:6px;object-fit:contain}.toolbar{display:flex;align-items:center;justify-content:flex-end;gap:8px}.toolbar-controls{display:none;align-items:center;gap:8px}.segmented-control{display:inline-grid;grid-auto-flow:column;grid-auto-columns:minmax(38px,1fr);gap:2px;min-height:34px;padding:2px;border:1px solid var(--n-color-border-soft);border-radius:8px;background:var(--n-control-bg)}.segmented-control button{min-width:34px;min-height:28px;border:0;border-radius:6px;color:var(--n-color-text-secondary);background:transparent;cursor:pointer;font-size:12px;font-weight:600;line-height:1;transition:background-color .16s ease,color .16s ease,transform .16s ease}.segmented-control button:hover{color:var(--n-color-text-primary);background:var(--n-control-hover-bg)}.segmented-control button:active{transform:scale(.97)}.segmented-control button.active{color:var(--n-color-text-inverse);background:var(--n-color-primary)}.theme-control{grid-auto-columns:minmax(34px,1fr)}.theme-icon{display:inline-grid;width:14px;height:14px;place-items:center;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,PingFang SC,Segoe UI Symbol,system-ui,sans-serif;font-size:13px;font-weight:650;line-height:1}.theme-icon-sun{font-size:15px;font-weight:800;-webkit-text-stroke:.25px currentColor}.theme-icon-moon{font-size:13px}.settings-menu-wrap{position:relative;display:block}.settings-menu-button{display:inline-grid;width:34px;height:34px;place-items:center;border:1px solid var(--n-color-border-soft);border-radius:8px;color:var(--n-color-text-secondary);background:var(--n-control-bg);cursor:pointer;font-size:13px;font-weight:700;line-height:1;transition:background-color .16s ease,border-color .16s ease,color .16s ease,transform .16s ease}.settings-menu-icon{width:18px;height:18px;fill:currentColor;display:block}.settings-menu-button:hover,.settings-menu-button[aria-expanded=true]{border-color:var(--n-color-border);color:var(--n-color-text-primary);background:var(--n-control-hover-bg)}.settings-menu-button:active{transform:scale(.97)}.settings-menu-card{position:fixed;top:calc(var(--n-topbar-height) + var(--n-menu-screen-gap));right:var(--n-menu-screen-gap);z-index:1000;display:flex;width:min(220px,calc(100vw - 32px));flex-direction:column;gap:14px;padding:16px;border:1px solid var(--n-topbar-border);border-radius:18px;color:var(--n-color-text-primary);background:var(--n-menu-glass-bg);box-shadow:var(--n-shadow-elevation-4);backdrop-filter:blur(var(--n-glass-blur-4)) saturate(var(--n-glass-saturate));-webkit-backdrop-filter:blur(var(--n-glass-blur-4)) saturate(var(--n-glass-saturate));isolation:isolate}:root[data-theme=dark] .settings-menu-card{box-shadow:var(--n-shadow-elevation-4)}.settings-menu-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;border-radius:inherit;padding:1px;background:linear-gradient(160deg,color-mix(in srgb,var(--n-glass-highlight) 78%,transparent),color-mix(in srgb,var(--n-glass-highlight) 18%,transparent) 40%,color-mix(in srgb,var(--n-glass-highlight) 6%,transparent) 70%,color-mix(in srgb,var(--n-glass-highlight) 46%,transparent));-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask-composite:exclude;pointer-events:none}.settings-menu-title{padding:0 2px 2px;color:var(--n-color-text-primary);font-family:var(--n-font-display);font-size:15px;font-weight:650;line-height:1.2}.settings-menu-section{display:grid;gap:8px}.settings-menu-label{padding:0 2px;color:var(--n-color-text-secondary);font-size:12px;font-weight:600;line-height:1.2}.settings-menu-card .segmented-control{width:100%;gap:6px;padding:3px}.content-frame{position:relative;padding:clamp(28px,4.5vw,48px);border:1px solid var(--n-color-border-soft);border-radius:24px;background:var(--n-content-glass-bg);box-shadow:inset 0 1px color-mix(in srgb,var(--n-glass-highlight) 55%,transparent),inset 0 -1px color-mix(in srgb,var(--n-glass-highlight) 8%,transparent),var(--n-shadow-subtle);backdrop-filter:blur(var(--n-glass-blur-3)) saturate(var(--n-glass-saturate));-webkit-backdrop-filter:blur(var(--n-glass-blur-3)) saturate(var(--n-glass-saturate));isolation:isolate}.content-frame:after{content:"";position:absolute;inset:0 0 auto 0;z-index:-1;height:26%;border-radius:24px 24px 0 0;background:linear-gradient(180deg,color-mix(in srgb,var(--n-glass-highlight) 34%,transparent),transparent 88%);pointer-events:none}:root[data-theme=dark] .content-frame{background:var(--n-content-glass-bg)}.content-frame:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;border-radius:inherit;padding:1px;background:linear-gradient(165deg,color-mix(in srgb,var(--n-glass-highlight) 72%,transparent),color-mix(in srgb,var(--n-glass-highlight) 14%,transparent) 32%,color-mix(in srgb,var(--n-glass-highlight) 4%,transparent) 68%,color-mix(in srgb,var(--n-glass-highlight) 40%,transparent));-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask-composite:exclude;pointer-events:none}.state-panel{display:flex;min-height:220px;align-items:center;justify-content:center;gap:14px;color:var(--n-color-text-secondary);text-align:center}.state-panel.error{flex-direction:column}.state-panel p{margin:0}.state-panel button{min-height:36px;padding:0 17px;border:0;border-radius:8px;color:var(--n-color-text-inverse);background:var(--n-color-primary);cursor:pointer;font-size:14px;font-weight:600}.state-panel button:hover{background:var(--n-color-primary-hover)}.markdown-body{color:var(--n-color-text-regular);font-family:var(--n-font-text);font-size:15.5px;font-weight:400;line-height:1.62;overflow-wrap:anywhere}.markdown-body>:first-child{margin-top:0}.markdown-body>:last-child{margin-bottom:0}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{margin:1.75em 0 .6em;color:var(--n-color-text-primary);font-family:var(--n-font-display);font-weight:600;line-height:1.16;letter-spacing:0}.markdown-body h1{margin-top:.35em;font-size:1.92rem;font-weight:650;line-height:1.12}.markdown-body h2{font-size:1.36rem}.markdown-body h3{font-size:1.08rem}.markdown-body p,.markdown-body ul,.markdown-body ol,.markdown-body blockquote,.markdown-body pre,.markdown-body table{margin:0 0 1.05rem}.markdown-body ul,.markdown-body ol{padding-left:1.25rem}.markdown-body li+li{margin-top:.25rem}.markdown-body li p{margin-bottom:.35rem}.markdown-body li p:last-child{margin-bottom:0}.markdown-body a{color:var(--n-color-link);font-weight:500;text-decoration-color:color-mix(in srgb,var(--n-color-link) 42%,transparent);text-decoration-thickness:1px;text-underline-offset:3px;transition:color .16s ease,text-decoration-color .16s ease}.markdown-body a:hover{color:var(--n-color-link-hover);text-decoration-color:currentColor}.markdown-body strong,.markdown-body strong a{color:var(--n-color-text-primary);font-weight:600}.markdown-body strong a:hover{color:var(--n-color-link);text-decoration-color:currentColor}.markdown-body img{max-width:100%;height:auto;border-radius:8px;vertical-align:middle}.profile-hero{display:grid;gap:1.15rem;margin:0 0 1.5rem}.profile-hero-logo{width:78px;height:78px;border:1px solid var(--n-color-border-soft);border-radius:8px;box-shadow:0 8px 24px #00000014;object-fit:cover}.profile-hero-summary{max-width:620px;margin:0;color:var(--n-color-text-regular);font-size:1rem;font-weight:600;line-height:1.5}.profile-hero-links{margin:0}.profile-hero-links img{width:auto;max-height:22px;border-radius:0;box-shadow:none}.markdown-body li img{width:auto;max-width:min(180px,100%);max-height:22px;border-radius:0;box-shadow:none;object-fit:contain}.markdown-body hr{height:1px;margin:1.5rem 0;border:0;background:var(--n-color-border-soft)}.markdown-body code{padding:.14em .36em;border-radius:6px;color:var(--n-code-text);background:var(--n-code-bg);font-family:SF Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.9em}.markdown-body pre{padding:16px 18px;border-radius:8px;color:var(--n-pre-text);background:var(--n-pre-bg);overflow-x:auto}.markdown-body pre code{padding:0;color:inherit;background:transparent}.markdown-body blockquote{padding:.1rem 0 .1rem 1rem;border-left:2px solid var(--n-color-border);color:var(--n-color-text-secondary)}.markdown-body table{display:block;width:100%;border-collapse:collapse;overflow-x:auto}.markdown-body th,.markdown-body td{padding:10px 12px;border:1px solid var(--n-color-border-soft)}.markdown-body th{color:var(--n-color-text-primary);background:var(--n-color-bg-subtle)}@media(max-width:720px){:root{--n-topbar-height: 50px}.site-shell{padding:calc(var(--n-topbar-height) + 22px) 14px 24px}.site-footer{padding:4px 14px 28px}.footer-glass-card{max-width:100%;padding:8px 16px;flex-wrap:wrap;justify-content:center;text-align:center}.topbar-inner{padding:0 14px;gap:10px}.brand-logo{height:28px}.toolbar{gap:6px}.segmented-control{grid-auto-columns:minmax(32px,1fr)}.segmented-control button{min-width:30px;min-height:28px;font-size:12px}.content-frame{padding:24px 18px}.markdown-body{font-size:15px;line-height:1.62}.profile-hero-logo{width:68px;height:68px}}@media(max-width:560px){:root{--n-menu-screen-gap: 14px}.settings-menu-card{width:min(204px,calc(100vw - 28px))}.toolbar{width:auto}}@media(max-width:420px){:root{--n-menu-screen-gap: 12px}.site-header{align-items:stretch}.topbar-inner{flex-wrap:wrap;padding-top:8px;padding-bottom:8px}.toolbar{justify-content:flex-end}.site-shell{padding-top:calc(var(--n-topbar-height) + 22px)}.content-frame{padding:20px 14px}.settings-menu-card{width:min(190px,calc(100vw - 24px));padding:14px}.settings-menu-card .segmented-control{grid-auto-columns:minmax(46px,1fr)}.settings-menu-card .theme-control{grid-auto-columns:minmax(42px,1fr)}.settings-menu-card .segmented-control button{min-width:0}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}