*,*:before,*:after{box-sizing:border-box}html{background:var(--color-page);color:var(--color-ink);font-family:var(--font-sans);text-rendering:optimizeLegibility}body{margin:0;min-width:320px;min-height:100dvh;padding-top:var(--header-height);background:var(--color-page);color:var(--color-ink);-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:2px solid var(--color-ink);outline-offset:3px}:root{--color-page: #ffffff;--color-surface: #fafafa;--color-surface-strong: #f4f4f5;--color-ink: #111111;--color-body: #3f3f46;--color-muted: #71717a;--color-faint: #a1a1aa;--color-line: #e4e4e7;--color-line-strong: #d4d4d8;--card-bg: #ffffff;--card-sub: #fafafa;--border: #e4e4e7;--text-title: #111111;--text-body: #3f3f46;--text-muted: #71717a;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;--header-height: 52px;--content-width: 960px;--ease-out: cubic-bezier(.16, 1, .3, 1)}@font-face{font-family:Outfit;src:url(/assets/fonts/Outfit-800.ttf) format("truetype");font-style:normal;font-weight:800;font-display:swap}.site-header{position:fixed;inset:0 0 auto;z-index:1000;height:var(--header-height);border-bottom:1px solid var(--color-line);background:color-mix(in srgb,var(--color-page) 94%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.site-header__inner{width:100%;height:100%;padding:0 28px;display:flex;align-items:center;justify-content:space-between}.brand{justify-self:start;display:inline-flex;align-items:center;gap:9px;color:var(--color-ink)}.brand-mark{display:block;flex:0 0 auto}.brand-name{font-family:Outfit,sans-serif;font-size:22px;font-weight:800;letter-spacing:.8px;line-height:1}.menu-trigger{justify-self:end;width:40px;height:40px;padding:0;border:0;background:transparent;color:var(--color-ink);cursor:pointer}.menu-trigger:hover,.menu-trigger:active,.menu-trigger:focus,.menu-trigger:focus-visible{border:0;outline:none;background:transparent;box-shadow:none}.menu-lines{width:22px;height:14px;margin:auto;display:flex;flex-direction:column;justify-content:space-between}.menu-lines>span{width:100%;height:2px;border-radius:2px;background:currentColor;transform-origin:center;transition:transform .22s var(--ease-out)}.menu-lines.is-open>span:first-child{transform:translateY(6px) rotate(45deg)}.menu-lines.is-open>span:last-child{transform:translateY(-6px) rotate(-45deg)}.site-drawer{position:fixed;inset:var(--header-height) 0 0;z-index:990;padding:48px 36px 72px;background:var(--color-page);opacity:0;pointer-events:none;transform:translateY(-8px);transition:opacity .22s var(--ease-out),transform .22s var(--ease-out);overflow-y:auto}.site-drawer.is-open{opacity:1;pointer-events:auto;transform:translateY(0)}.site-drawer__nav{width:min(920px,100%);margin:0 auto}.drawer-row{min-height:76px;padding:18px 8px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--color-line);transition:padding-left .16s ease,background-color .16s ease}.drawer-row:hover{padding-left:14px;background:var(--color-surface)}.drawer-row__left{display:inline-flex;align-items:baseline;gap:20px;font-size:22px;font-weight:750}.drawer-row__number,.drawer-row__meta{color:var(--color-muted);font-family:var(--font-mono);font-size:13px;font-weight:700;letter-spacing:.6px}@media(max-width:859px){.site-header__inner{padding:0 16px}.site-drawer{padding:28px 20px 60px}.drawer-row{min-height:64px;padding:16px 4px}.drawer-row__left{gap:14px;font-size:19px;font-weight:750}.drawer-row__number,.drawer-row__meta{font-size:12px}}.directory-page{width:min(640px,calc(100% - 32px));min-height:calc(100dvh - var(--header-height));margin:0 auto;padding:32px 0 80px}.directory-page__heading{margin-bottom:32px}.directory-page__heading h1{margin:0;color:var(--color-ink);font-size:56px;font-weight:800;letter-spacing:-1.8px;line-height:1}.directory-list{display:flex;flex-direction:column;gap:14px}.directory-card{position:relative;min-height:96px;padding:22px 24px 22px 28px;display:flex;align-items:center;gap:16px;border:1px solid var(--color-line);border-radius:14px;background:var(--color-page);box-shadow:0 2px 12px #00000005;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease}.directory-card:hover{background:var(--color-surface);box-shadow:0 14px 36px #0000000f;transform:translateY(-2px)}.directory-card__index{width:40px;height:40px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:var(--color-surface-strong);color:var(--color-muted);font-family:var(--font-mono);font-size:13px;font-weight:700}.directory-card__content{min-width:0;flex:1;display:flex;flex-direction:column;gap:4px}.directory-card__title{color:var(--color-ink);font-size:22px;font-weight:800;letter-spacing:-.4px;line-height:1.2}.directory-card__description{overflow:hidden;color:var(--color-body);font-size:14px;line-height:1.5;text-overflow:ellipsis;white-space:nowrap}.directory-card__arrow{flex:0 0 auto;color:var(--color-muted)}@media(max-width:640px){.directory-page{padding-top:20px;padding-bottom:60px}.directory-page__heading{margin-bottom:24px}.directory-page__heading h1{font-size:42px;letter-spacing:-1.2px}.directory-list{gap:10px}.directory-card{min-height:82px;padding:18px 16px;gap:12px;border-radius:12px}.directory-card__index{width:34px;height:34px;border-radius:8px;font-size:12px}.directory-card__title{font-size:19px}.directory-card__description{font-size:13px}}.status-page{width:min(640px,calc(100% - 32px));min-height:calc(100dvh - var(--header-height));margin:0 auto;padding:56px 0 80px}.status-page__code{margin:0 0 18px;color:var(--color-muted);font-family:var(--font-mono);font-size:16px;font-weight:700;letter-spacing:.8px}.status-page h1{margin:0 0 12px;font-size:32px;line-height:1.15}.status-page p:last-child{margin:0;color:var(--color-body);font-size:16px;line-height:1.7}@media(max-width:640px){.status-page{padding-top:32px}.status-page h1{font-size:28px}}.home-reference{min-height:calc(100dvh - var(--header-height));background:var(--color-page);color:var(--color-ink)}.home-reference__hero,.home-reference__section{border-bottom:1px solid var(--color-line)}.home-reference__hero{padding:48px 0 72px}.home-reference__hero-content,.home-reference__core-grid,.home-reference__container{width:min(1380px,calc(100% - 64px));margin:0 auto}.home-reference__hero-content{display:flex;flex-direction:column;align-items:center;text-align:center}.home-reference__eyebrow,.home-reference__card-eyebrow{display:block;color:var(--color-muted);font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:1px;line-height:1.5}.home-reference__hero-content h1{margin:18px 0 16px;color:var(--color-ink);font-family:"Outfit",var(--font-sans);font-size:clamp(40px,4.2vw,62px);font-weight:800;letter-spacing:.2px;line-height:1.12;white-space:nowrap}.home-reference__hero-lead{max-width:700px;margin:0;color:var(--color-body);font-size:16px;line-height:1.75}.home-reference__dialogue{width:min(760px,100%);min-width:0;margin-top:38px;padding:8px 10px 8px 24px;display:flex;align-items:center;gap:12px;border:1px solid var(--color-line);border-radius:999px;background:var(--color-page);box-shadow:0 3px 16px #00000009;transition:box-shadow .18s ease,transform .18s ease}.home-reference__dialogue:focus-within{box-shadow:0 14px 36px #00000013;transform:translateY(-2px)}.home-reference__dialogue input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--color-ink);font:inherit;font-size:15px;text-align:left}.home-reference__dialogue input::placeholder{color:var(--color-faint)}.home-reference__dialogue button{width:40px;height:40px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:50%;background:var(--color-ink);color:var(--color-page);cursor:pointer;transition:opacity .16s ease,transform .16s ease}.home-reference__dialogue button:hover{opacity:.82}.home-reference__dialogue button:active{transform:scale(.96)}.home-reference__core-grid{margin-top:58px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.home-reference__core-card{min-height:294px;padding:28px 28px 24px;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--color-line);border-radius:10px;background:var(--color-page);text-align:left;transition:transform .18s ease,box-shadow .18s ease}.home-reference__core-card:hover{box-shadow:0 14px 36px #0000000f;transform:translateY(-2px)}.home-reference__card-number{display:block;margin-bottom:20px;color:var(--color-faint);font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.8px}.home-reference__core-card h2{margin:14px 0 12px;color:var(--color-ink);font-size:24px;font-weight:800;letter-spacing:-.4px;line-height:1.2}.home-reference__core-card p{margin:0;color:var(--color-body);font-size:14px;line-height:1.7}.home-reference__action,.home-reference__closing-link{width:fit-content;padding-bottom:3px;display:inline-flex;align-items:center;gap:10px;border-bottom:1px solid var(--color-ink);color:var(--color-ink);font-size:13px;font-weight:700;line-height:1.4;transition:gap .16s ease,opacity .16s ease}.home-reference__action{margin-top:28px}.home-reference__action:hover,.home-reference__closing-link:hover{gap:14px;opacity:.65}.home-reference__section{padding:78px 0}.home-reference__section--muted{background:var(--color-surface)}.home-reference__section-heading{max-width:700px;margin-bottom:38px}.home-reference__section-heading h2,.home-reference__closing h2{margin:14px 0 9px;color:var(--color-ink);font-size:30px;font-weight:800;letter-spacing:-.6px;line-height:1.2}.home-reference__section-heading p{margin:0;color:var(--color-body);font-size:15px;line-height:1.6}.home-reference__system-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--color-line);border-left:1px solid var(--color-line)}.home-reference__system-card{min-width:0;min-height:156px;padding:24px;display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:18px;align-items:center;border-right:1px solid var(--color-line);border-bottom:1px solid var(--color-line);color:var(--color-ink);transition:background-color .18s ease}.home-reference__system-card:hover{background:var(--color-page)}.home-reference__system-index{color:var(--color-muted);font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.6px;line-height:1;align-self:start;margin-top:4px}.home-reference__system-content{min-width:0;display:flex;flex-direction:column;gap:8px}.home-reference__system-content strong{color:var(--color-ink);font-size:20px;font-weight:800;line-height:1.2}.home-reference__system-content>span:last-child{color:var(--color-body);font-size:13px;line-height:1.55}.home-reference__system-card>span:last-child{color:var(--color-muted);font-size:16px;line-height:1;align-self:start;margin-top:4px;transition:color .18s ease,transform .18s ease}.home-reference__system-card:hover>span:last-child{color:var(--color-ink);transform:translate(2px,-2px)}.home-reference__section--closing{padding:56px 0}.home-reference__closing{display:flex;align-items:center;justify-content:space-between;gap:40px}.home-reference__closing h2{margin-bottom:0}@media(max-width:900px){.home-reference__core-grid{grid-template-columns:1fr}.home-reference__core-card{min-height:236px}}@media(max-width:640px){.home-reference__container,.home-reference__hero-content,.home-reference__core-grid{width:calc(100% - 32px)}.home-reference__hero{padding:36px 0 54px}.home-reference__hero-content h1{margin:0 0 16px;font-size:clamp(26px,7.6vw,36px);line-height:1.16;letter-spacing:-.3px;white-space:nowrap}.home-reference__hero-lead{font-size:14px;line-height:1.7}.home-reference__dialogue{margin-top:30px;min-height:52px;padding-left:18px}.home-reference__dialogue button{width:34px;height:34px}.home-reference__core-grid{margin-top:38px}.home-reference__core-card{min-height:224px;padding:23px 20px 20px}.home-reference__core-card h2{font-size:22px}.home-reference__core-card p{font-size:13px}.home-reference__section{padding:54px 0}.home-reference__section-heading{margin-bottom:26px}.home-reference__section-heading h2,.home-reference__closing h2{font-size:25px}.home-reference__section-heading p{font-size:14px}.home-reference__system-grid{display:flex;flex-direction:column}.home-reference__system-card{min-height:132px;padding:19px 16px;grid-template-columns:28px minmax(0,1fr) auto;gap:12px}.home-reference__system-content{gap:6px}.home-reference__system-content strong{font-size:19px}.home-reference__system-content>span:last-child{font-size:12px}.home-reference__closing{align-items:flex-start;flex-direction:column;gap:22px}}