:root{color-scheme:light;--surface:#faf8fc;--surface-low:#f3eff7;--surface-container:#ece6f0;--surface-high:#ffffff;--surface-inverse:#322f38;--on-surface:#25212b;--on-surface-variant:#585160;--primary:#67469c;--on-primary:#ffffff;--primary-container:#ebddfa;--on-primary-container:#351b58;--secondary-container:#e8e1ef;--outline:#7b7383;--outline-variant:#d2c8dc;--line:#e0d9e7;--glow:rgba(143,87,210,.06);--scrim:rgba(27,16,39,.30);--focus:#7043bb;--shadow-dialog:0 24px 96px rgba(35,18,58,.24);--card-feedback-ink:#67469c;--floating-surface:rgba(235,221,250,.64);--floating-tint-a:rgba(182,138,239,.30);--floating-tint-b:rgba(242,177,211,.22);--floating-tint-c:rgba(130,135,229,.18);--glass-surface:color-mix(in srgb,#ffffff 72%,transparent);--glass-raised:color-mix(in srgb,#faf8fc 72%,transparent);--glass-edge:#e4dbea;--aura-purple:rgba(162,109,231,.40);--aura-rose:rgba(228,143,192,.22);--aura-blue:rgba(129,138,227,.23);--shadow-card:0 3px 2px rgba(45,22,69,.015),0 10px 26px rgba(45,22,69,.035);--shadow-float:0 2px 4px rgba(45,22,69,.025),0 12px 34px rgba(45,22,69,.07),inset 0 1px 0 rgba(255,255,255,.8);--shadow-float-raised:0 5px 12px rgba(45,22,69,.05),0 22px 56px rgba(45,22,69,.13),inset 0 1px 0 rgba(255,255,255,.8);--radius-xs:8px;--radius-sm:16px;--radius-md:24px;--radius-lg:32px;--radius-xl:48px;--ease-standard:cubic-bezier(.2,0,0,1);--ease-expressive:cubic-bezier(.2,.8,.2,1);--ease-spring:cubic-bezier(.22,1.28,.36,1);--duration-fast:160ms;--duration-medium:300ms;--duration-long:420ms;--font-body:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans CJK SC","Microsoft YaHei","PingFang SC",sans-serif;--font-display:"Arial","Helvetica Neue",var(--font-body);--font-mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;--content-width:1240px;--reading-width:720px;--header-height:88px;--reading-progress:0;--secondary:#625b70;--on-secondary:#ffffff;--on-secondary-container:#282332;--tertiary:#76536c;--on-tertiary:#ffffff;--tertiary-container:#f3dfeb;--on-tertiary-container:#321b2d;--error:#b3261e;--on-error:#ffffff;--error-container:#f9dedc;--on-error-container:#410e0b}:root[data-theme=dark]{color-scheme:dark;--surface:#18151d;--surface-low:#211d27;--surface-container:#2b2532;--surface-high:#352e3d;--surface-inverse:#eee7f0;--on-surface:#ece6f0;--on-surface-variant:#c4bacd;--primary:#d4bcf5;--on-primary:#3b1f62;--primary-container:#4d2c78;--on-primary-container:#edddff;--secondary-container:#494151;--outline:#9b90a7;--outline-variant:#504757;--line:#3a3244;--glow:rgba(184,137,255,.06);--scrim:rgba(10,6,16,.46);--focus:#d8b8ff;--shadow-dialog:0 24px 96px rgba(0,0,0,.4);--card-feedback-ink:#0c0713;--floating-surface:rgba(24,21,29,.66);--floating-tint-a:rgba(132,79,191,.27);--floating-tint-b:rgba(169,79,141,.20);--floating-tint-c:rgba(88,96,183,.18);--glass-surface:color-mix(in srgb,#352e3d 74%,transparent);--glass-raised:color-mix(in srgb,#211d27 74%,transparent);--glass-edge:#504157;--aura-purple:rgba(119,63,183,.42);--aura-rose:rgba(169,79,141,.20);--aura-blue:rgba(78,86,184,.22);--shadow-card:0 3px 2px rgba(0,0,0,.08),0 10px 26px rgba(0,0,0,.10);--shadow-float:0 2px 4px rgba(0,0,0,.12),0 12px 34px rgba(0,0,0,.20),inset 0 1px 0 rgba(237,221,255,.07);--shadow-float-raised:0 5px 12px rgba(0,0,0,.16),0 22px 56px rgba(0,0,0,.30),inset 0 1px 0 rgba(237,221,255,.08);--secondary:#ccc2d5;--on-secondary:#342d3e;--on-secondary-container:#e9e0f3;--tertiary:#e3b9d3;--on-tertiary:#452237;--tertiary-container:#60394f;--on-tertiary-container:#ffd8eb;--error:#f2b8b5;--on-error:#601410;--error-container:#8c1d18;--on-error-container:#f9dedc}@media(prefers-color-scheme:dark){:root.no-js{color-scheme:dark;--surface:#18151d;--surface-low:#211d27;--surface-container:#2b2532;--surface-high:#352e3d;--surface-inverse:#eee7f0;--on-surface:#ece6f0;--on-surface-variant:#c4bacd;--primary:#d4bcf5;--on-primary:#3b1f62;--primary-container:#4d2c78;--on-primary-container:#edddff;--secondary-container:#494151;--outline:#9b90a7;--outline-variant:#504757;--line:#3a3244;--glow:rgba(184,137,255,.06);--scrim:rgba(10,6,16,.46);--focus:#d8b8ff;--shadow-dialog:0 24px 96px rgba(0,0,0,.4);--card-feedback-ink:#0c0713;--floating-surface:rgba(24,21,29,.66);--floating-tint-a:rgba(132,79,191,.27);--floating-tint-b:rgba(169,79,141,.20);--floating-tint-c:rgba(88,96,183,.18);--glass-surface:color-mix(in srgb,#352e3d 74%,transparent);--glass-raised:color-mix(in srgb,#211d27 74%,transparent);--glass-edge:#504157;--aura-purple:rgba(119,63,183,.42);--aura-rose:rgba(169,79,141,.20);--aura-blue:rgba(78,86,184,.22);--shadow-card:0 3px 2px rgba(0,0,0,.08),0 10px 26px rgba(0,0,0,.10);--shadow-float:0 2px 4px rgba(0,0,0,.12),0 12px 34px rgba(0,0,0,.20),inset 0 1px 0 rgba(237,221,255,.07);--shadow-float-raised:0 5px 12px rgba(0,0,0,.16),0 22px 56px rgba(0,0,0,.30),inset 0 1px 0 rgba(237,221,255,.08);--secondary:#ccc2d5;--on-secondary:#342d3e;--on-secondary-container:#e9e0f3;--tertiary:#e3b9d3;--on-tertiary:#452237;--tertiary-container:#60394f;--on-tertiary-container:#ffd8eb;--error:#f2b8b5;--on-error:#601410;--error-container:#8c1d18;--on-error-container:#f9dedc}}:root{--site-surface:var(--surface);--site-surface-low:var(--surface-low);--site-surface-container:var(--surface-container);--site-surface-high:var(--surface-high);--site-surface-inverse:var(--surface-inverse);--site-on-surface:var(--on-surface);--site-on-surface-variant:var(--on-surface-variant);--site-primary:var(--primary);--site-on-primary:var(--on-primary);--site-primary-container:var(--primary-container);--site-on-primary-container:var(--on-primary-container);--site-secondary:var(--secondary);--site-on-secondary:var(--on-secondary);--site-secondary-container:var(--secondary-container);--site-on-secondary-container:var(--on-secondary-container);--site-tertiary:var(--tertiary);--site-on-tertiary:var(--on-tertiary);--site-tertiary-container:var(--tertiary-container);--site-on-tertiary-container:var(--on-tertiary-container);--site-outline:var(--outline);--site-outline-variant:var(--outline-variant);--site-line:var(--line);--site-focus:var(--focus);--site-glow:var(--glow);--site-card-feedback-ink:var(--card-feedback-ink);--site-glass-surface:var(--glass-surface);--site-glass-raised:var(--glass-raised);--site-glass-edge:var(--glass-edge);--site-floating-surface:var(--floating-surface);--site-floating-tint-a:var(--floating-tint-a);--site-floating-tint-b:var(--floating-tint-b);--site-floating-tint-c:var(--floating-tint-c)}[data-cover-theme]{color:var(--on-surface);--surface:hsl(var(--cover-hue) 24% 98%);--surface-low:hsl(var(--cover-hue) 24% 95%);--surface-container:hsl(var(--cover-hue) 22% 92%);--surface-high:hsl(var(--cover-hue) 36% 99%);--surface-inverse:hsl(var(--cover-hue) 18% 18%);--on-surface:hsl(var(--cover-hue) 20% 12%);--on-surface-variant:hsl(var(--cover-hue) 14% 28%);--primary:hsl(var(--cover-hue) 40% 24%);--on-primary:#ffffff;--primary-container:hsl(var(--cover-hue) 52% 91%);--on-primary-container:hsl(var(--cover-hue) 30% 18%);--secondary:hsl(var(--cover-hue) 18% 29%);--on-secondary:#ffffff;--secondary-container:hsl(var(--cover-hue) 26% 91%);--on-secondary-container:hsl(var(--cover-hue) 20% 17%);--tertiary:hsl(calc(var(--cover-hue) + 30) 28% 27%);--on-tertiary:#ffffff;--tertiary-container:hsl(calc(var(--cover-hue) + 30) 36% 91%);--on-tertiary-container:hsl(calc(var(--cover-hue) + 30) 26% 18%);--outline:hsl(var(--cover-hue) 18% 45%);--outline-variant:hsl(var(--cover-hue) 24% 79%);--line:hsl(var(--cover-hue) 22% 87%);--focus:var(--primary);--glow:hsl(var(--cover-hue) 60% 65% / .06);--card-feedback-ink:hsl(var(--cover-hue) 35% 24%);--glass-surface:color-mix(in srgb,var(--surface-high) 72%,transparent);--glass-raised:color-mix(in srgb,var(--surface) 72%,transparent);--glass-edge:var(--line);--floating-surface:hsl(var(--cover-hue) 24% 98% / .64);--floating-tint-a:hsl(var(--cover-hue) 46% 66% / .20);--floating-tint-b:hsl(calc(var(--cover-hue) + 30) 42% 72% / .18);--floating-tint-c:hsl(calc(var(--cover-hue) - 24) 48% 68% / .16)}:root[data-theme=dark] [data-cover-theme]{--surface:hsl(var(--cover-hue) 18% 9%);--surface-low:hsl(var(--cover-hue) 18% 12%);--surface-container:hsl(var(--cover-hue) 18% 15%);--surface-high:hsl(var(--cover-hue) 16% 18%);--surface-inverse:hsl(var(--cover-hue) 24% 93%);--on-surface:hsl(var(--cover-hue) 24% 93%);--on-surface-variant:hsl(var(--cover-hue) 24% 80%);--primary:hsl(var(--cover-hue) 60% 82%);--on-primary:hsl(var(--cover-hue) 35% 13%);--primary-container:hsl(var(--cover-hue) 30% 20%);--on-primary-container:hsl(var(--cover-hue) 48% 93%);--secondary:hsl(var(--cover-hue) 24% 82%);--on-secondary:hsl(var(--cover-hue) 22% 13%);--secondary-container:hsl(var(--cover-hue) 20% 20%);--on-secondary-container:hsl(var(--cover-hue) 28% 93%);--tertiary:hsl(calc(var(--cover-hue) + 30) 40% 82%);--on-tertiary:hsl(calc(var(--cover-hue) + 30) 28% 13%);--tertiary-container:hsl(calc(var(--cover-hue) + 30) 24% 20%);--on-tertiary-container:hsl(calc(var(--cover-hue) + 30) 36% 93%);--outline:hsl(var(--cover-hue) 20% 65%);--outline-variant:hsl(var(--cover-hue) 20% 31%);--line:hsl(var(--cover-hue) 20% 25%);--glow:hsl(var(--cover-hue) 60% 65% / .06);--card-feedback-ink:hsl(var(--cover-hue) 20% 4%);--glass-surface:color-mix(in srgb,var(--surface-high) 74%,transparent);--glass-raised:color-mix(in srgb,var(--surface-low) 74%,transparent);--floating-surface:hsl(var(--cover-hue) 18% 9% / .66);--floating-tint-a:hsl(var(--cover-hue) 36% 35% / .20);--floating-tint-b:hsl(calc(var(--cover-hue) + 30) 32% 32% / .18);--floating-tint-c:hsl(calc(var(--cover-hue) - 24) 34% 34% / .16)}@media(prefers-color-scheme:dark){:root.no-js [data-cover-theme]{--surface:hsl(var(--cover-hue) 18% 9%);--surface-low:hsl(var(--cover-hue) 18% 12%);--surface-container:hsl(var(--cover-hue) 18% 15%);--surface-high:hsl(var(--cover-hue) 16% 18%);--surface-inverse:hsl(var(--cover-hue) 24% 93%);--on-surface:hsl(var(--cover-hue) 24% 93%);--on-surface-variant:hsl(var(--cover-hue) 24% 80%);--primary:hsl(var(--cover-hue) 60% 82%);--on-primary:hsl(var(--cover-hue) 35% 13%);--primary-container:hsl(var(--cover-hue) 30% 20%);--on-primary-container:hsl(var(--cover-hue) 48% 93%);--secondary:hsl(var(--cover-hue) 24% 82%);--on-secondary:hsl(var(--cover-hue) 22% 13%);--secondary-container:hsl(var(--cover-hue) 20% 20%);--on-secondary-container:hsl(var(--cover-hue) 28% 93%);--tertiary:hsl(calc(var(--cover-hue) + 30) 40% 82%);--on-tertiary:hsl(calc(var(--cover-hue) + 30) 28% 13%);--tertiary-container:hsl(calc(var(--cover-hue) + 30) 24% 20%);--on-tertiary-container:hsl(calc(var(--cover-hue) + 30) 36% 93%);--outline:hsl(var(--cover-hue) 20% 65%);--outline-variant:hsl(var(--cover-hue) 20% 31%);--line:hsl(var(--cover-hue) 20% 25%);--glow:hsl(var(--cover-hue) 60% 65% / .06);--card-feedback-ink:hsl(var(--cover-hue) 20% 4%);--glass-surface:color-mix(in srgb,var(--surface-high) 74%,transparent);--glass-raised:color-mix(in srgb,var(--surface-low) 74%,transparent);--floating-surface:hsl(var(--cover-hue) 18% 9% / .66);--floating-tint-a:hsl(var(--cover-hue) 36% 35% / .20);--floating-tint-b:hsl(calc(var(--cover-hue) + 30) 32% 32% / .18);--floating-tint-c:hsl(calc(var(--cover-hue) - 24) 34% 34% / .16)}}:root [data-cover-theme][data-cover-theme=fallback]{--surface:var(--site-surface);--surface-low:var(--site-surface-low);--surface-container:var(--site-surface-container);--surface-high:var(--site-surface-high);--surface-inverse:var(--site-surface-inverse);--on-surface:var(--site-on-surface);--on-surface-variant:var(--site-on-surface-variant);--primary:var(--site-primary);--on-primary:var(--site-on-primary);--primary-container:var(--site-primary-container);--on-primary-container:var(--site-on-primary-container);--secondary:var(--site-secondary);--on-secondary:var(--site-on-secondary);--secondary-container:var(--site-secondary-container);--on-secondary-container:var(--site-on-secondary-container);--tertiary:var(--site-tertiary);--on-tertiary:var(--site-on-tertiary);--tertiary-container:var(--site-tertiary-container);--on-tertiary-container:var(--site-on-tertiary-container);--outline:var(--site-outline);--outline-variant:var(--site-outline-variant);--line:var(--site-line);--focus:var(--site-focus);--glow:var(--site-glow);--card-feedback-ink:var(--site-card-feedback-ink);--glass-surface:var(--site-glass-surface);--glass-raised:var(--site-glass-raised);--glass-edge:var(--site-glass-edge);--floating-surface:var(--site-floating-surface);--floating-tint-a:var(--site-floating-tint-a);--floating-tint-b:var(--site-floating-tint-b);--floating-tint-c:var(--site-floating-tint-c)}*,*::before,*::after{box-sizing:border-box}html{scroll-padding-top:0;-webkit-text-size-adjust:100%}body{margin:0;color:var(--on-surface);background:var(--surface);font-family:var(--font-body);font-size:16px;line-height:1.65;overflow-wrap:break-word}main{min-height:60vh}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:rgba(143,87,210,.22)}html:not(.no-js) 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.ui-icon{width:20px}.text-button,.icon-button{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;gap:8px;padding:10px;background:0 0;border-radius:999px;font-size:14px;font-weight:600;transition:background var(--duration-fast),border-radius var(--duration-medium)}.text-button:hover,.icon-button:hover{background:var(--surface-container)}.text-link{border-radius:999px;display:inline-flex;align-items:center;gap:10px;min-height:44px;font-size:14px;font-weight:650;color:var(--primary)}.text-link:hover{text-decoration:underline}.text-link .ui-icon{width:18px;height:18px}.link-chips{display:flex;flex-wrap:wrap;gap:10px}.link-chips a{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:7px 16px;border:0;border-radius:999px;font-size:14px;background:var(--surface-low)}.link-chips a:hover{background:var(--primary-container);border-color:transparent;color:var(--on-primary-container)}.link-chips a .ui-icon{width:16px;height:16px}.link-chips a>span:not(.feedback-layer){color:inherit;font-size:12px}.header-sentinel{height:1px;margin-bottom:-1px;pointer-events:none}.site-header{height:var(--header-height);position:sticky;inset-block-start:0;z-index:50;padding-top:12px;pointer-events:none}.header-inner{height:64px;display:flex;align-items:center;gap:28px;width:min(1160px,calc(100% - 64px));padding:8px 20px;border:0;border-radius:28px;position:relative;isolation:isolate;background:0 0;box-shadow:var(--shadow-float);pointer-events:auto;transition:box-shadow var(--duration-medium),background var(--duration-medium),border-radius var(--duration-medium)var(--ease-spring)}.header-inner::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;border-radius:inherit;background:var(--floating-surface);-webkit-backdrop-filter:blur(12px)saturate(1.3);backdrop-filter:blur(12px)saturate(1.3)}.site-header[data-scrolled=true] 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a[aria-current=page]{background:var(--primary-container)}.nav-pill{pointer-events:none;position:absolute;z-index:0;left:0;top:5px;bottom:5px;border-radius:999px;background:var(--primary-container);width:var(--nav-width,0);transform:translateX(var(--nav-x,0))}.header-actions{flex:1;display:flex;justify-content:flex-end;align-items:center;gap:8px}.search-trigger{gap:12px;padding-inline:13px}.search-trigger kbd{color:var(--on-surface-variant);font:12px var(--font-mono);border:1px solid var(--outline-variant);border-radius:4px;padding:0 5px}.mobile-menu-trigger{display:none}.home-page{padding-top:32px}.profile-card{display:grid;grid-template-columns:104px minmax(0,1fr)auto;align-items:center;gap:24px;padding:26px 30px;margin-bottom:36px;border-radius:28px;background:var(--surface-low)}.profile-card__avatar{display:block;align-self:center;width:104px;height:104px;border-radius:28px;overflow:hidden;background:var(--primary-container)}.profile-card__avatar 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